{"id":4588,"date":"2025-12-30T09:21:12","date_gmt":"2025-12-30T01:21:12","guid":{"rendered":"https:\/\/niusheng.gg13.globaldeepsea.site\/transport-layer-protocol-data-unit-tcp-udp-pdu\/"},"modified":"2025-12-30T09:21:12","modified_gmt":"2025-12-30T01:21:12","slug":"transport-layer-protocol-data-unit-tcp-udp-pdu","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ja\/transport-layer-protocol-data-unit-tcp-udp-pdu\/","title":{"rendered":"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f PDU \u306f\u4f55\u3067\u3059\u304b"},"content":{"rendered":"<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/6654503b3b3848aabb05893278d4fce6.webp\" alt=\"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u305f PDU \u306f\u4f55\u3067\u3059\u304b\" \/><\/p>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u7279\u5b9a\u306e <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/product-category\/19-cabinet-accessory\/power-distribution-unit\/\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8<\/a> \u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u901a\u4fe1\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u4f1d\u9001\u5236\u5fa1\u30d7\u30ed\u30c8\u30b3\u30eb (TCP) \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u5358\u4f4d\u306f\u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u9006\u306b\u3001\u30e6\u30fc\u30b6\u30fc \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb (UDP) \u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u500b\u5225\u306e\u30e6\u30cb\u30c3\u30c8\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001TCP \u306f\u304a\u3088\u305d <a href=\"https:\/\/www.enea.com\/insights\/tcp-vs-udp-the-fight-for-space-on-a-shared-network\/\" target=\"_blank\" rel=\"noopener\">\u30e2\u30d0\u30a4\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f 55%\u3001UDP \u306f\u7d04 45% \u3092\u69cb\u6210\u3057\u307e\u3059<\/a>\u3002\u3053\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u7528\u8a9e\u3092\u3001 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/product-category\/19-cabinet-accessory\/power-distribution-unit\/\" target=\"_blank\" rel=\"noopener\">\u914d\u96fb\u30e6\u30cb\u30c3\u30c8<\/a>\u3001\u96fb\u6c17\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u7570\u306a\u308b\u6a5f\u80fd\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>\u30ad\u30fc\u30c6\u30a4\u30af\u30a2\u30a6\u30c8<\/h2>\n<p><\/p>\n<ul><\/p>\n<li>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8 (<a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/top-5-pdu-choices-for-safer-it-equipment-server-racks\/\" target=\"_blank\" rel=\"noopener\">PDU<\/a>) \u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li>TCP \u306f\u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u547c\u3070\u308c\u308b PDU \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 UDP \u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3068\u547c\u3070\u308c\u308b PDU \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u3001\u9806\u756a\u306b\u5230\u7740\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5f7c\u3089\u306f\u4fe1\u983c\u3067\u304d\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u30c7\u30fc\u30bf\u3092\u8fc5\u901f\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u914d\u9054\u3084\u6ce8\u6587\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<p><\/p>\n<li>\u30dd\u30fc\u30c8\u756a\u53f7\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u304c\u30c7\u30fc\u30bf\u3092\u9069\u5207\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9001\u4fe1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li>TCP \u306f Web \u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3068\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 UDP \u306f\u30d3\u30c7\u30aa \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b2\u30fc\u30e0\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li>\u6a29\u5229\u3092\u9078\u629e\u3057\u307e\u3059 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/power-up-smart-our-5-recommended-basic-pdus-2025\/\" target=\"_blank\" rel=\"noopener\">PDU<\/a> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6700\u9069\u306b\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u652f\u63f4\u3057\u307e\u3059\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3068\u305d\u306e\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8\u306b\u3064\u3044\u3066<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/f8cde866ed4347078f7c19a0bd2bb8d5.webp\" alt=\"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3068\u305d\u306e\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8\u306b\u3064\u3044\u3066\" \/><\/p>\n<p><\/p>\n<h3>\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u304a\u3051\u308b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u5f79\u5272<\/h3>\n<p><\/p>\n<h4>OSI \u304a\u3088\u3073 TCP\/IP \u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u4f4d\u7f6e<\/h4>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5185\u3067\u91cd\u8981\u306a\u4f4d\u7f6e\u3092\u5360\u3081\u3066\u3044\u307e\u3059\u3002 Open Systems Interconnection (OSI) \u30e2\u30c7\u30eb\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u3059\u3050\u4e0a\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\u306e\u4e0b\u306e\u5c64 4 \u3068\u3057\u3066\u5b58\u5728\u3057\u307e\u3059\u3002\u540c\u69d8\u306b\u3001\u3088\u308a\u5e83\u304f\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b TCP\/IP \u30e2\u30c7\u30eb\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5c64\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u9593\u306b\u4f4d\u7f6e\u3057\u307e\u3059\u3002\u3053\u306e\u914d\u7f6e\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ec\u30d9\u30eb\u306e\u30c7\u30fc\u30bf\u914d\u4fe1\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u901a\u4fe1\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u901a\u4fe1\u306b\u5bfe\u3059\u308b\u4e2d\u6838\u7684\u306a\u8cac\u4efb<\/h4>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u3001\u7570\u306a\u308b\u30db\u30b9\u30c8\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u306e\u52b9\u679c\u7684\u306a\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u901a\u4fe1\u3092\u78ba\u4fdd\u3059\u308b\u3068\u3044\u3046\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Transport_layer\" target=\"_blank\" rel=\"noopener\">\u5de5\u7a0b\u9593\u306e\u914d\u9001<\/a>\u3001\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5358\u4e00\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5c64\u304c\u5b9f\u884c\u3059\u308b\u306e\u306f\u3001 <a href=\"https:\/\/www.geeksforgeeks.org\/computer-networks\/transport-layer-in-osi-model\/\" target=\"_blank\" rel=\"noopener\">\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u4f7f\u7528\u3057\u305f\u591a\u91cd\u5316\u3068\u9006\u591a\u91cd\u5316<\/a> \u30c7\u30fc\u30bf\u3092\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30bb\u30b9\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u4e0a\u4f4d\u5c64\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u30bb\u30b0\u30e1\u30f3\u30c8 (TCP \u306e\u5834\u5408) \u307e\u305f\u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 (UDP \u306e\u5834\u5408) \u306b\u5206\u5272\u3057\u3001\u5fc5\u8981\u306a\u30d8\u30c3\u30c0\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u30a8\u30e9\u30fc\u691c\u51fa\u3001\u518d\u9001\u4fe1\u3001\u304a\u3088\u3073\u9806\u5e8f\u4ed8\u3051\u3092\u51e6\u7406\u3057\u3066\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u8abf\u6574\u3057\u3066\u53d7\u4fe1\u5074\u306e\u904e\u8ca0\u8377\u3092\u9632\u304e\u3001\u30c7\u30fc\u30bf\u9001\u4fe1\u901f\u5ea6\u3092\u7ba1\u7406\u3057\u3066\u9ad8\u901f\u306a\u9001\u4fe1\u5074\u304c\u53d7\u4fe1\u5074\u306e\u30c7\u30fc\u30bf \u30d0\u30c3\u30d5\u30a1\u30fc\u3092\u5727\u5012\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306e\u6982\u8981<\/h3>\n<p><\/p>\n<h4>\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h4>\n<p><\/p>\n<p>A <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\uff08PDU)<\/a> \u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4ecb\u3057\u3066\u901a\u4fe1\u3059\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u4ea4\u63db\u306e\u57fa\u672c\u5358\u4f4d\u3092\u8868\u3057\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c02\u9580\u5bb6\u306f\u3001\u30de\u30eb\u30c1\u30ec\u30a4\u30e4 \u30d7\u30ed\u30c8\u30b3\u30eb \u30b9\u30bf\u30c3\u30af\u3092\u64cd\u4f5c\u3057\u305f\u308a\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u7ba1\u7406\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u306b PDU \u3092\u5229\u7528\u3057\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d7\u30ed\u30c8\u30b3\u30eb\u3001\u7279\u306b OSI \u30e2\u30c7\u30eb\u3084 TCP\/IP \u30e2\u30c7\u30eb\u306a\u3069\u306e\u968e\u5c64\u5316\u3055\u308c\u305f\u53c2\u7167\u30e2\u30c7\u30eb\u5185\u3067\u958b\u767a\u3055\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u4ea4\u63db\u5358\u4f4d\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30d1\u30b1\u30c3\u30c8\u306f IP \u306e PDU \u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3067 IP \u30a2\u30c9\u30ec\u30b9\u306b\u3088\u3063\u3066\u8b58\u5225\u3055\u308c\u308b\u30db\u30b9\u30c8\u9593\u306e\u5bfe\u8a71\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002 PDU \u306f\u901a\u5e38\u3001\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u3084\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u306a\u3069\u306e\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3092\u542b\u3080\u30d7\u30ed\u30c8\u30b3\u30eb \u30d8\u30c3\u30c0\u30fc\u3068\u3001\u9001\u4fe1\u3055\u308c\u308b\u5b9f\u969b\u306e\u60c5\u5831\u3067\u3042\u308b\u30da\u30a4\u30ed\u30fc\u30c9\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306b\u7279\u5b9a\u306e PDU \u304c\u5fc5\u8981\u306a\u7406\u7531<\/h4>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306b\u306f\u72ec\u81ea\u306e\u3082\u306e\u304c\u5fc5\u8981\u3067\u3059 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/pdu-networking-basics-importance-in-network-communication\/\" target=\"_blank\" rel=\"noopener\">\u7279\u5b9a\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8<\/a> \u30d7\u30ed\u30bb\u30b9\u9593\u306e\u901a\u4fe1\u306e\u8907\u96d1\u3055\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u30db\u30b9\u30c8\u9593\u306e\u914d\u4fe1\u306b\u91cd\u70b9\u3092\u7f6e\u304f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3068\u306f\u7570\u306a\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u3001\u30c7\u30fc\u30bf\u304c\u305d\u306e\u30db\u30b9\u30c8\u4e0a\u306e\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u78ba\u5b9f\u306b\u5230\u9054\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u3001PDU \u5185\u306b\u30dd\u30fc\u30c8\u756a\u53f7\u306a\u3069\u306e\u8ffd\u52a0\u60c5\u5831\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002 PDU \u306b\u306f\u3001\u9078\u629e\u3057\u305f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5fdc\u3058\u3066\u3001\u4fe1\u983c\u6027\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3001\u63a5\u7d9a\u7ba1\u7406\u306b\u95a2\u3059\u308b\u60c5\u5831\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>TCP \u30bb\u30b0\u30e1\u30f3\u30c8: \u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8<\/h2>\n<p><\/p>\n<h3>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u5b9a\u7fa9<\/h3>\n<p><\/p>\n<h4>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u7279\u5fb4<\/h4>\n<p><\/p>\n<p>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u4f1d\u9001\u5236\u5fa1\u30d7\u30ed\u30c8\u30b3\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u57fa\u672c\u5358\u4f4d\u3092\u8868\u3057\u307e\u3059\u3002\u5404\u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u30d8\u30c3\u30c0\u30fc\u3068\u30da\u30a4\u30ed\u30fc\u30c9\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u9001\u4fe1\u306b\u5fc5\u8981\u306a\u30e1\u30bf\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3084\u9078\u629e\u7684\u78ba\u8a8d\u5fdc\u7b54\u306a\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u305d\u306e\u30b5\u30a4\u30ba\u306f\u901a\u5e38 20 \u30d0\u30a4\u30c8\u304b\u3089\u6700\u5927 60 \u30d0\u30a4\u30c8\u306e\u7bc4\u56f2\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u5927\u30bb\u30b0\u30e1\u30f3\u30c8 \u30b5\u30a4\u30ba (MSS) \u306f\u3001TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u304c\u4f1d\u9001\u3067\u304d\u308b\u3001\u30d8\u30c3\u30c0\u30fc\u3092\u9664\u304f\u30c7\u30fc\u30bf\u306e\u6700\u5927\u91cf\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u57fa\u790e\u3068\u306a\u308b\u30ec\u30a4\u30e4 2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6700\u5927\u4f1d\u9001\u5358\u4f4d (MTU) \u306e\u5f71\u97ff\u3092\u76f4\u63a5\u53d7\u3051\u308b\u30ec\u30a4\u30e4 4 \u306e\u6982\u5ff5\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a8\u30f3\u30b8\u30cb\u30a2\u306f MSS \u3092\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3057\u307e\u3059\u3002 <code>MTU - IP\u30d8\u30c3\u30c0\u30fc - TCP\u30d8\u30c3\u30c0\u30fc<\/code>\u3002\u305f\u3068\u3048\u3070\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 MTU \u304c 1500 \u30d0\u30a4\u30c8\u3001IP \u30d8\u30c3\u30c0\u30fc\u304c 20 \u30d0\u30a4\u30c8\u3001TCP \u30d8\u30c3\u30c0\u30fc\u304c 20 \u30d0\u30a4\u30c8\u306e\u5834\u5408\u3001MSS \u306f 1460 \u30d0\u30a4\u30c8\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a MSS \u5024\u306b\u306f\u3001\u53e4\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e 512 \u30d0\u30a4\u30c8\u3068\u3001\u307b\u3068\u3093\u3069\u306e Ethernet\/IP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3042\u308b 1460 \u30d0\u30a4\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306e\u76ee\u7684<\/h4>\n<p><\/p>\n<p>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u4e3b\u306a\u76ee\u7684 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8<\/a> \u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059 <a href=\"https:\/\/walid-mahmoud.medium.com\/osi-model-layer-4-tcp-segment-9766b4d04d31\" target=\"_blank\" rel=\"noopener\">\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9806\u5e8f\u4ed8\u3051\u3089\u308c\u3001\u30a8\u30e9\u30fc\u304c\u4fee\u6b63\u3055\u308c\u308b<\/a> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3002\u30b5\u30fc\u30d0\u30fc\u3068\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u9593\u3067\u5b89\u5168\u306b\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u6574\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4ea4\u63db\u3055\u308c\u308b\u60c5\u5831\u306e\u91cf\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002 TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u30c7\u30fc\u30bf\u306e\u53d7\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059 <a href=\"https:\/\/www.techtarget.com\/searchnetworking\/definition\/TCP\" target=\"_blank\" rel=\"noopener\">\u30a8\u30e9\u30fc\u304c\u306a\u304f\u3001\u6b63\u3057\u3044\u9806\u5e8f\u3067<\/a> \u30a8\u30e9\u30fc\u691c\u51fa\u3001\u30d1\u30b1\u30c3\u30c8\u306e\u518d\u9001\u4fe1\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u5236\u5fa1\u306a\u3069\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u901a\u3058\u3066\u3002<\/p>\n<p><\/p>\n<h3>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u30d8\u30c3\u30c0\u30fc\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<p><\/p>\n<h4>\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/h4>\n<p><\/p>\n<p>TCP \u30bb\u30b0\u30e1\u30f3\u30c8 \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u901a\u4fe1\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3042 <a href=\"https:\/\/medium.com\/@akashsdas_dev\/tcp-networking-d9b4c5a02491\" target=\"_blank\" rel=\"noopener\">16\u30d3\u30c3\u30c8\u30bd\u30fc\u30b9\u30dd\u30fc\u30c8<\/a> \u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u9001\u4fe1\u8005\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30dd\u30fc\u30c8\u756a\u53f7\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u540c\u69d8\u306b\u3001 <a href=\"https:\/\/www.tutorialspoint.com\/what-is-the-tcp-segment-header\" target=\"_blank\" rel=\"noopener\">16\u30d3\u30c3\u30c8\u306e\u5b9b\u5148\u30dd\u30fc\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9<\/a> \u53d7\u4fe1\u5074\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u3088\u308a\u591a\u91cd\u5316\u3068\u9006\u591a\u91cd\u5316\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u304c\u5b9b\u5148\u30db\u30b9\u30c8\u4e0a\u306e\u6b63\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u306b\u78ba\u5b9f\u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3068\u78ba\u8a8d\u756a\u53f7<\/h4>\n<p><\/p>\n<p>\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306f\u3001\u6ce8\u6587\u3055\u308c\u305f\u914d\u9001\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3042 <a href=\"https:\/\/networklessons.com\/ip-routing\/tcp-header\" target=\"_blank\" rel=\"noopener\">32 \u30d3\u30c3\u30c8\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u30d5\u30a3\u30fc\u30eb\u30c9<\/a> \u30c7\u30fc\u30bf\u306e\u5404\u30d0\u30a4\u30c8\u306b\u4e00\u610f\u306e\u756a\u53f7\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u3053\u306e\u756a\u53f7\u306f\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u6700\u521d\u306e\u30d0\u30a4\u30c8\u306e\u30d0\u30a4\u30c8\u756a\u53f7\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u9806\u5e8f\u304c\u4e71\u308c\u305f\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u518d\u69cb\u6210\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u306e <a href=\"https:\/\/www.geeksforgeeks.org\/computer-networks\/services-and-segment-structure-in-tcp\/\" target=\"_blank\" rel=\"noopener\">32 \u30d3\u30c3\u30c8\u306e\u78ba\u8a8d\u756a\u53f7\u30d5\u30a3\u30fc\u30eb\u30c9<\/a> \u9001\u4fe1\u8005\u304b\u3089\u306e\u6b21\u306b\u4e88\u671f\u3055\u308c\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u524d\u306e\u30d0\u30a4\u30c8\u306e\u53d7\u4fe1\u3092\u78ba\u8a8d\u3057\u3001ACK \u30d5\u30e9\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u5236\u5fa1\u30d5\u30e9\u30b0\u3068\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b5\u30a4\u30ba<\/h4>\n<p><\/p>\n<p>TCP \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u5236\u5fa1\u30d5\u30e9\u30b0\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7279\u5b9a\u306e\u6a5f\u80fd\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><strong>SYN\uff08\u540c\u671f\uff09<\/strong>: \u30b9\u30ea\u30fc\u30a6\u30a7\u30a4 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u4e2d\u306b\u63a5\u7d9a\u3092\u958b\u59cb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>ACK\uff08\u78ba\u8a8d\u5fdc\u7b54\uff09<\/strong>: \u78ba\u8a8d\u756a\u53f7\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>FIN\uff08\u30d5\u30a3\u30cb\u30c3\u30b7\u30e5\uff09<\/strong>: \u9001\u4fe1\u8005\u304b\u3089\u306e\u30c7\u30fc\u30bf\u9001\u4fe1\u306e\u7d42\u4e86\u3092\u901a\u77e5\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>RST\uff08\u30ea\u30bb\u30c3\u30c8\uff09<\/strong>: \u56de\u5fa9\u4e0d\u53ef\u80fd\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u305f\u3081\u3001\u63a5\u7d9a\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>URG\uff08\u7dca\u6025\uff09<\/strong>: Urgent Pointer \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u91cd\u8981\u3067\u3042\u308a\u3001\u7dca\u6025\u30c7\u30fc\u30bf\u3092\u6307\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>PSH\uff08\u30d7\u30c3\u30b7\u30e5\uff09<\/strong>: \u30d0\u30c3\u30d5\u30a1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5373\u6642\u914d\u4fe1\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<br \/>[\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b5\u30a4\u30ba] \u30d5\u30a3\u30fc\u30eb\u30c9\u3001 <a href=\"https:\/\/cna-public-preview-cted-tech-college-cbtc-34a92c8f0f6ffe6386997.cybbh.io\/01_Packet_Analysis\/06_Headers\/05_TCP_header.html\" target=\"_blank\" rel=\"noopener\">16\u30d3\u30c3\u30c8\u5024<\/a>\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u53d7\u4fe1\u8005\u304c\u53d7\u3051\u5165\u308c\u308b\u30c7\u30fc\u30bf\u306e\u91cf\u3092\u6307\u5b9a\u3057\u3001\u9ad8\u901f\u306a\u9001\u4fe1\u8005\u304c\u4f4e\u901f\u306a\u53d7\u4fe1\u8005\u3092\u5727\u5012\u3059\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u3001[\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b9\u30b1\u30fc\u30eb] \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066 1 GB \u4ee5\u4e0a\u307e\u3067\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306b\u3088\u308a\u5b9f\u73fe\u3055\u308c\u308b\u6a5f\u80fd<\/h3>\n<p><\/p>\n<h4>\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u8ee2\u9001\u3068\u30a8\u30e9\u30fc\u56de\u5fa9<\/h4>\n<p><\/p>\n<p>TCP \u306f\u3001\u78ba\u8a8d\u5fdc\u7b54\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u304a\u3088\u3073\u518d\u9001\u4fe1\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u901a\u3058\u3066\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5404\u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u306f\u3001\u7834\u640d\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0 \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30bb\u30b0\u30e1\u30f3\u30c8\u304c\u7834\u640d\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u5b9b\u5148 TCP \u306f\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u7834\u68c4\u3057\u3001\u5931\u308f\u308c\u305f\u3082\u306e\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002 TCP \u306f\u78ba\u8a8d\u5fdc\u7b54\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u914d\u4fe1\u304c\u6210\u529f\u3057\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u6b20\u843d\u3001\u9045\u5ef6\u3001\u307e\u305f\u306f\u7834\u640d\u3057\u305f\u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u518d\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u9001\u4fe1\u8005\u304c 3 \u3064\u306e\u91cd\u8907\u3057\u305f\u78ba\u8a8d\u5fdc\u7b54\u3092\u53d7\u4fe1\u3057\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.geeksforgeeks.org\/computer-networks\/error-control-in-tcp\/\" target=\"_blank\" rel=\"noopener\">\u9ad8\u901f\u518d\u9001\u4fe1<\/a>\u3001\u307e\u305f\u306f\u518d\u9001\u4fe1\u30bf\u30a4\u30de\u30fc\u304c\u671f\u9650\u5207\u308c\u306b\u306a\u3063\u305f\u3068\u304d\uff08RTO \u5f8c\u306e\u518d\u9001\u4fe1\u3068\u547c\u3070\u308c\u307e\u3059\uff09\u3002\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u5316\u3055\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u3088\u3046\u306a <a href=\"https:\/\/paws.wcu.edu\/holliday\/cware\/RDT\/RDTExplanation.html\" target=\"_blank\" rel=\"noopener\">Go-Back-N \u3068\u9078\u629e\u7684\u7e70\u308a\u8fd4\u3057<\/a> \u7d1b\u5931\u307e\u305f\u306f\u7834\u640d\u3057\u305f\u30c7\u30fc\u30bf\u304a\u3088\u3073\u78ba\u8a8d\u30d1\u30b1\u30c3\u30c8\u3082\u51e6\u7406\u3057\u3001\u4fe1\u983c\u6027\u3092\u3055\u3089\u306b\u9ad8\u3081\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u30d5\u30ed\u30fc\u5236\u5fa1\u3068\u8f3b\u8f33\u7ba1\u7406<\/h4>\n<p><\/p>\n<p>TCP \u306f\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3068\u8f3b\u8f33\u7ba1\u7406\u306b\u9ad8\u5ea6\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30d5\u30ed\u30fc\u5236\u5fa1\u306f\u3001\u53d7\u4fe1\u5074\u306e\u30a2\u30c9\u30d0\u30bf\u30a4\u30ba\u3055\u308c\u305f\u53d7\u4fe1\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b5\u30a4\u30ba (RWND) \u306b\u57fa\u3065\u3044\u3066\u3001\u672a\u78ba\u8a8d\u306e\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u6570\u3092\u5236\u9650\u3057\u307e\u3059\u3002\u98db\u884c\u4e2d\u306e\u6700\u5927\u30c7\u30fc\u30bf\u306f\u3001RWND \u3068\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6 (CWND) \u306e\u6700\u5c0f\u5024\u3067\u3059\u3002\u8f3b\u8f33\u7ba1\u7406\u306e\u305f\u3081\u306b\u3001TCP \u306f <a href=\"https:\/\/en.wikipedia.org\/wiki\/TCP_congestion_control\" target=\"_blank\" rel=\"noopener\">\u8f3b\u8f33\u5236\u5fa1\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/a> \u7d44\u307f\u8fbc\u3080 <a href=\"https:\/\/witestlab.poly.edu\/blog\/tcp-congestion-control-basics\/\" target=\"_blank\" rel=\"noopener\">\u52a0\u6cd5\u7684\u5897\u52a0\/\u4e57\u6cd5\u7684\u6e1b\u5c11 (AIMD)<\/a> \u305d\u3057\u3066\u30b9\u30ed\u30fc\u30b9\u30bf\u30fc\u30c8\u3002\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6 (CWND) \u306f\u9001\u4fe1\u30ec\u30fc\u30c8\u3092\u8abf\u6574\u3057\u3001\u9001\u4fe1\u4e2d\u306e\u672a\u78ba\u8a8d\u30d1\u30b1\u30c3\u30c8\u306e\u7dcf\u6570\u3092\u5236\u9650\u3057\u307e\u3059\u3002\u30b9\u30ed\u30fc \u30b9\u30bf\u30fc\u30c8\u306f\u3001CWND \u3092\u6025\u6fc0\u306b\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u3067\u3001TCP \u30d5\u30ed\u30fc\u304c\u30ea\u30f3\u30af\u5bb9\u91cf\u306b\u8fc5\u901f\u306b\u9054\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b9\u30ed\u30fc \u30b9\u30bf\u30fc\u30c8\u3057\u304d\u3044\u5024\u306b\u9054\u3059\u308b\u3068\u3001\u30d5\u30ed\u30fc\u306f\u8f3b\u8f33\u56de\u907f\u306b\u5165\u308a\u3001AIMD \u304c\u5f15\u304d\u7d99\u304e\u3001\u7dda\u5f62 CWND \u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u63a5\u7d9a\u306e\u78ba\u7acb\u3068\u7d42\u4e86<\/h4>\n<p><\/p>\n<p>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u30013 \u30a6\u30a7\u30a4 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u901a\u3058\u3066\u63a5\u7d9a\u306e\u78ba\u7acb\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u521d\u671f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u542b\u3080 SYN \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30a2\u30af\u30c6\u30a3\u30d6 \u30aa\u30fc\u30d7\u30f3\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e SYN \u3092\u78ba\u8a8d\u3057\u3001\u5358\u4e00\u30bb\u30b0\u30e1\u30f3\u30c8\u3067\u72ec\u81ea\u306e SYN \u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30b5\u30fc\u30d0\u30fc\u306e SYN \u3092\u78ba\u8a8d\u3057\u3001\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002\u63a5\u7d9a\u306e\u7d42\u4e86\u306b\u306f\u3001 <a href=\"https:\/\/mdgsf.github.io\/2016\/05\/12\/network-tcp-unpv1-2-6\/\" target=\"_blank\" rel=\"noopener\">\u56db\u8005\u63e1\u624b<\/a>\u3002 1 \u3064\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u9001\u4fe1\u3059\u308b\u30c7\u30fc\u30bf\u304c\u3082\u3046\u306a\u3044\u3053\u3068\u3092\u793a\u3059 FIN \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u30a2\u30af\u30c6\u30a3\u30d6 \u30af\u30ed\u30fc\u30ba\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3082\u3046\u4e00\u65b9\u306e\u7aef\u306f FIN \u3092\u53d7\u4fe1\u3057\u3001\u305d\u308c\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30d5\u30a1\u30a4\u30eb\u306e\u7d42\u308f\u308a\u3092\u6e21\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u30bd\u30b1\u30c3\u30c8\u3092\u9589\u3058\u3001TCP \u304c FIN \u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30a2\u30af\u30c6\u30a3\u30d6 \u30af\u30ed\u30fc\u30ba\u3092\u5b9f\u884c\u3057\u305f\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3053\u306e\u6700\u7d42 FIN \u3092\u53d7\u4fe1\u3057\u3066\u200b\u200b\u78ba\u8a8d\u5fdc\u7b54\u3057\u3001\u7d42\u4e86\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0: \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8<\/h2>\n<p><\/p>\n<h3>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u5b9a\u7fa9<\/h3>\n<p><\/p>\n<h4>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u7279\u5fb4<\/h4>\n<p><\/p>\n<p>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u3001 <a href=\"https:\/\/en.wikipedia.org\/wiki\/User_Datagram_Protocol\" target=\"_blank\" rel=\"noopener\">\u30b7\u30f3\u30d7\u30eb\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u6307\u5411\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb<\/a>\u3002\u3053\u308c\u306b\u306f\u3001\u30d8\u30c3\u30c0\u30fc\u3068\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u4e21\u65b9\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306b\u3088\u308b\u6574\u5408\u6027\u691c\u8a3c\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4e0a\u4f4d\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u3078\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u914d\u4fe1\u306e\u4fdd\u8a3c\u306f\u3042\u308a\u307e\u305b\u3093\u3002 UDP \u5c64\u306f\u3001\u4e00\u5ea6\u9001\u4fe1\u3057\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u72b6\u614b\u3092\u4fdd\u6301\u3057\u306a\u3044\u305f\u3081\u3001\u300c\u4fe1\u983c\u6027\u306e\u4f4e\u3044\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb\u300d\u3068\u3057\u3066\u6307\u5b9a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u306a\u4f1d\u9001\u306e\u4fe1\u983c\u6027\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30ec\u30d9\u30eb\u3067\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u7279\u6027\u304c\u3042\u308a\u307e\u3059:<\/p>\n<p><\/p>\n<ul><\/p>\n<li><a href=\"https:\/\/www.pubnub.com\/guides\/udp\/\" target=\"_blank\" rel=\"noopener\"><strong>\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u8efd\u91cf\u306a\u69cb\u9020<\/strong><\/a>: \u5404 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306b\u306f\u3001\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u3001\u5b9b\u5148\u30dd\u30fc\u30c8\u3001\u9577\u3055\u3001\u30c1\u30a7\u30c3\u30af\u30b5\u30e0 (IPv4 \u3067\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3001IPv6 \u3067\u306f\u5fc5\u9808)\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>\u4fe1\u983c\u6027\u306e\u6b20\u5982<\/strong>: UDP \u306f\u78ba\u8a8d\u5fdc\u7b54\u3084\u518d\u9001\u4fe1\u3092\u63d0\u4f9b\u3057\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u640d\u5931\u307e\u305f\u306f\u7834\u640d\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u304c\u6c17\u4ed8\u304b\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u4fdd\u8a3c\u3055\u308c\u305f\u914d\u4fe1\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<p><\/p>\n<li><strong>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>: UDP \u306f\u30c7\u30fc\u30bf\u9001\u4fe1\u524d\u306b\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u305b\u3093\u3002\u914d\u4fe1\u3084\u9806\u5e8f\u306e\u4fdd\u8a3c\u306f\u306a\u304f\u3001\u5404\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u72ec\u7acb\u3057\u305f\u5358\u4f4d\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u52b9\u7387\u6027<\/strong>: \u63a5\u7d9a\u306e\u78ba\u7acb\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u4e0d\u8981\u306a\u305f\u3081\u3001TCP \u3068\u6bd4\u8f03\u3057\u3066\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u9045\u5ef6\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/strong>: \u9001\u4fe1\u8005\u3082\u53d7\u4fe1\u8005\u3082\u72b6\u614b\u3084\u63a5\u7d9a\u95a2\u9023\u306e\u60c5\u5831\u3092\u7dad\u6301\u3057\u307e\u305b\u3093\u3002<\/li>\n<p><\/p>\n<li><strong>\u8f3b\u8f33\u5236\u5fa1\u306a\u3057<\/strong>: UDP \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u72b6\u614b\u306b\u95a2\u4fc2\u306a\u304f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u904e\u8ca0\u8377\u306b\u306a\u308b\u3068\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>\u30d5\u30ed\u30fc\u5236\u5fa1\u306a\u3057<\/strong>: \u9001\u4fe1\u8005\u304c\u591a\u3059\u304e\u308b\u30c7\u30fc\u30bf\u3067\u53d7\u4fe1\u8005\u3092\u5727\u5012\u3059\u308b\u306e\u3092\u9632\u3050\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u6b20\u3051\u3066\u3044\u307e\u3059\u3002<\/li>\n<p><\/p>\n<li><strong>\u30a8\u30e9\u30fc\u56de\u5fa9\u3084\u30b7\u30fc\u30b1\u30f3\u30b9\u51e6\u7406\u306f\u4e0d\u8981<\/strong>: UDP \u306f\u3001\u30d1\u30b1\u30c3\u30c8\u304c\u5230\u7740\u3059\u308b\u304b\u3001\u9806\u756a\u306b\u5230\u7740\u3059\u308b\u304b\u3001\u307e\u305f\u306f 1 \u56de\u3060\u3051\u5230\u7740\u3059\u308b\u304b\u3068\u3044\u3046\u4fdd\u8a3c\u3092\u63d0\u4f9b\u3057\u307e\u305b\u3093\u3002\u30d1\u30b1\u30c3\u30c8\u306e\u9806\u5e8f\u304c\u72c2\u3063\u3066\u3044\u308b\u3001\u91cd\u8907\u3057\u3066\u3044\u308b\u3001\u307e\u305f\u306f\u5931\u308f\u308c\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h4>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8\u306e\u76ee\u7684<\/h4>\n<p><\/p>\n<p>\u30e6\u30fc\u30b6\u30fc \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb (UDP) \u306f\u3001\u6642\u9593\u306b\u654f\u611f\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u7279\u5225\u306b\u9078\u629e\u3055\u308c\u305f\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059 <a href=\"https:\/\/www.fortinet.com\/resources\/cyberglossary\/user-datagram-protocol-udp\" target=\"_blank\" rel=\"noopener\">\u30b2\u30fc\u30e0\u3001\u30d3\u30c7\u30aa\u518d\u751f\u3001\u307e\u305f\u306f\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 (DNS) \u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/a>\u3002\u305d\u306e\u9ad8\u901f\u901a\u4fe1\u306f\u3001\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u524d\u306b\u5b9b\u5148\u3068\u306e\u3057\u3063\u304b\u308a\u3068\u3057\u305f\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u6642\u9593\u3092\u8cbb\u3084\u3055\u306a\u3044\u3053\u3068\u306b\u3088\u3063\u3066\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002 UDP \u306f\u4e3b\u306b\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 <a href=\"https:\/\/www.techtarget.com\/searchnetworking\/definition\/UDP-User-Datagram-Protocol\" target=\"_blank\" rel=\"noopener\">\u4f4e\u9045\u5ef6\u3067\u640d\u5931\u3092\u8a31\u5bb9\u3059\u308b\u63a5\u7d9a<\/a> \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u3002\u53d7\u4fe1\u5074\u304c\u540c\u610f\u3059\u308b\u524d\u306b\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u901f\u5ea6\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001VoIP\u3001DNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3001\u30d3\u30c7\u30aa\u3084\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u518d\u751f\u306a\u3069\u3001\u6642\u9593\u306b\u654f\u611f\u306a\u901a\u4fe1\u306b\u6709\u76ca\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d8\u30c3\u30c0\u30fc\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h3>\n<p><\/p>\n<h4>\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7\u3068\u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/h4>\n<p><\/p>\n<p>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u901a\u4fe1\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3042 <a href=\"https:\/\/hpbn.co\/building-blocks-of-udp\/\" target=\"_blank\" rel=\"noopener\">\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u9001\u4fe1\u8005\u306e\u30dd\u30fc\u30c8\u3092\u8b58\u5225\u3057\u307e\u3059<\/a> \u5b58\u5728\u3059\u308b\u5834\u5408\u3002\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u30bc\u30ed\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002 \u300c\u5b9b\u5148\u30dd\u30fc\u30c8\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u53d7\u4fe1\u8005\u306e\u30dd\u30fc\u30c8\u3092\u8b58\u5225\u3059\u308b\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u306b\u3088\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u5b9b\u5148\u30db\u30b9\u30c8\u4e0a\u306e\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30bb\u30b9\u306b\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u9577\u3055\u3068\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306e\u30d5\u30a3\u30fc\u30eb\u30c9<\/h4>\n<p><\/p>\n<p>\u9577\u3055\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001UDP \u30d8\u30c3\u30c0\u30fc\u3068\u30c7\u30fc\u30bf\u306e\u5408\u8a08\u9577\u3092\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u6700\u5c0f\u9577\u306f 8 \u30d0\u30a4\u30c8\u3067\u3001\u3053\u308c\u306f\u30d8\u30c3\u30c0\u30fc\u81ea\u4f53\u306e\u30b5\u30a4\u30ba\u3067\u3059\u3002\u7406\u8ad6\u4e0a\u306e\u6700\u5927\u5024\u306f 65,535 \u30d0\u30a4\u30c8\u3067\u3059\u304c\u3001 <a href=\"https:\/\/horizonelectronics.com\/user-datagram-protocol\/\" target=\"_blank\" rel=\"noopener\">IPv4 \u3067\u306f\u30c7\u200b\u200b\u30fc\u30bf\u9577\u304c 65,507 \u30d0\u30a4\u30c8\u306b\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059<\/a>\u3002 IPv6 \u30b8\u30e3\u30f3\u30dc\u30b0\u30e9\u30e0\u306e\u5834\u5408\u3001\u5408\u8a08\u9577\u304c 65,535 \u30d0\u30a4\u30c8\u3092\u8d85\u3048\u308b\u5834\u5408\u3001\u9577\u3055\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u30b5\u30e0 \u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u30a8\u30e9\u30fc \u30c1\u30a7\u30c3\u30af\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 IPv4 \u3067\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u304c\u3001IPv6 \u3067\u306f\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u5fc5\u9808\u3067\u3059\u3002\u672a\u4f7f\u7528\u306e\u5834\u5408\u3001\u3059\u3079\u3066\u30bc\u30ed\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8\u306b\u3088\u3063\u3066\u6709\u52b9\u306b\u306a\u308b\u6a5f\u80fd<\/h3>\n<p><\/p>\n<h4>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u901a\u4fe1\u3068\u6700\u5c0f\u9650\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/h4>\n<p><\/p>\n<p>UDP \u306f\u3001\u9001\u4fe1\u8005\u304c\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8 (\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0) \u3092\u53d7\u4fe1\u8005\u306b\u76f4\u63a5\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6700\u521d\u306b\u5c02\u7528\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u305f\u308a\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u5b9f\u884c\u3057\u305f\u308a\u305b\u305a\u306b\u884c\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u78ba\u8a8d\u5fdc\u7b54\u304c\u5fc5\u8981\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u4e2d\u65ad\u306e\u306a\u3044\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u304c\u4fc3\u9032\u3055\u308c\u307e\u3059\u3002 UDP <a href=\"https:\/\/jumpcloud.com\/it-index\/what-is-the-user-datagram-protocol-udp\" target=\"_blank\" rel=\"noopener\">\u6700\u5c0f\u9650\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/a> \u3044\u304f\u3064\u304b\u306e\u8a2d\u8a08\u4e0a\u306e\u9078\u629e\u304b\u3089\u751f\u307e\u308c\u307e\u3059\u3002\u30b7\u30f3\u30d7\u30eb\u306a\u30d1\u30b1\u30c3\u30c8\u69cb\u9020\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u9001\u4fe1\u5074\u3068\u53d7\u4fe1\u5074\u306e\u4e21\u65b9\u3067\u5fc5\u8981\u306a\u51e6\u7406\u6642\u9593\u3068\u30ea\u30bd\u30fc\u30b9\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002 TCP \u3068\u306f\u7570\u306a\u308a\u3001UDP \u306f\u30c7\u30fc\u30bf\u8ee2\u9001\u901f\u5ea6\u3092\u8abf\u6574\u3059\u308b\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u5b9f\u88c5\u3057\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30a8\u30e9\u30fc\u56de\u5fa9\u6a5f\u80fd\u3082\u3042\u308a\u307e\u305b\u3093\u3002 UDP \u306f\u5931\u308f\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u518d\u9001\u4fe1\u3057\u305f\u308a\u3001\u30a8\u30e9\u30fc\u4fee\u6b63\u3092\u51e6\u7406\u3057\u305f\u308a\u3057\u307e\u305b\u3093\u3002 UDP \u3092\u4f7f\u7528\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u7ba1\u7406\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u518d\u9001\u4fe1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u4fe1\u983c\u6027\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u7701\u7565\u306b\u3088\u308a\u3001UDP \u304c\u3088\u308a\u9ad8\u901f\u304b\u3064\u30b7\u30f3\u30d7\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u4fe1\u983c\u6027\u3088\u308a\u3082\u30b9\u30d4\u30fc\u30c9<\/h4>\n<p><\/p>\n<p>UDP \u306f\u3001 <a href=\"https:\/\/kvsuvarna.medium.com\/\ufe0f-tcp-vs-udp-reliability-vs-speed-2722b9a4854b\" target=\"_blank\" rel=\"noopener\">\u901f\u5ea6\u3092\u512a\u5148\u3057\u305f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u30d7\u30ed\u30c8\u30b3\u30eb<\/a>\u3002\u6b63\u5f0f\u306a\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u305f\u308a\u3001\u30c7\u30fc\u30bf\u306e\u53d7\u4fe1\u3092\u691c\u8a3c\u3057\u305f\u308a\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u306f\u304c\u304d\u3092\u9001\u4fe1\u3059\u308b\u306e\u3068\u540c\u69d8\u306b\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u884c\u308f\u305a\u306b\u30c7\u30fc\u30bf\u3092\u500b\u5225\u306e\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3068\u3057\u3066\u9001\u4fe1\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u3001\u914d\u4fe1\u3001\u9806\u5e8f\u3001\u307e\u305f\u306f\u30a8\u30e9\u30fc\u4fee\u6b63\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u914d\u4fe1\u306e\u4fe1\u983c\u6027\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u901f\u5ea6\u3068\u4fe1\u983c\u6027\u3092\u8003\u616e\u3059\u308b\u3068\u3001 <a href=\"https:\/\/www.linkedin.com\/advice\/0\/what-trade-offs-between-udp-datagram\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u5c0f\u3055\u3044\u307b\u3069\u3001\u640d\u5931\u3001\u7834\u640d\u3001\u4e26\u3079\u66ff\u3048\u306e\u53ef\u80fd\u6027\u304c\u4f4e\u3044\u305f\u3081\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/a>\u3002\u307e\u305f\u3001\u65ad\u7247\u5316\u3001\u30c9\u30ed\u30c3\u30d7\u3001\u9045\u5ef6\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9 \u30e6\u30cb\u30c3\u30c8\u3042\u305f\u308a\u306b\u3088\u308a\u591a\u304f\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u904b\u3076\u305f\u3081\u3001\u3088\u308a\u52b9\u7387\u7684\u304b\u3064\u9ad8\u901f\u306b\u306a\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u6570\u3068\u51e6\u7406\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u5927\u304d\u304f\u306a\u308b\u3068\u3001\u640d\u5931\u3001\u7834\u640d\u3001\u4e26\u3079\u66ff\u3048\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8f3b\u8f33\u3001\u9045\u5ef6\u3001\u30b8\u30c3\u30bf\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3001\u4fe1\u983c\u6027\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3088\u308a\u591a\u304f\u306e\u5e2f\u57df\u5e45\u3068\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30c7\u30fc\u30bf\u5358\u4f4d\u306e\u6bd4\u8f03: \u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0<\/h2>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/statics.mylandingpages.co\/static\/aaanxdmf26c522mpaaaaz2wwe7ppkact\/image\/09b83e1b8d674ab1ae19fe9c4b4599c1.webp\" alt=\"\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30c7\u30fc\u30bf\u5358\u4f4d\u306e\u6bd4\u8f03: \u30bb\u30b0\u30e1\u30f3\u30c8\u3068\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\" \/><\/p>\n<p><\/p>\n<h3>\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u8a2d\u8a08\u306e\u6839\u672c\u7684\u306a\u9055\u3044<\/h3>\n<p><\/p>\n<h4>\u4fe1\u983c\u6027\u3001\u901f\u5ea6\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u6bd4\u8f03<\/h4>\n<p><\/p>\n<p><a href=\"https:\/\/www.geeksforgeeks.org\/computer-networks\/differences-between-tcp-and-udp\/\" target=\"_blank\" rel=\"noopener\">TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u3068 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306b\u306f\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u306e\u9055\u3044\u304c\u3042\u308a\u307e\u3059<\/a>\u3001\u4fe1\u983c\u6027\u3001\u901f\u5ea6\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002 TCP\u306e\u512a\u5148\u9806\u4f4d <a href=\"https:\/\/vercara.digicert.com\/resources\/udp-v-tcp\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u306e\u4fdd\u8a3c<\/a>\u3002\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u3001\u5931\u308f\u308c\u305f\u30c7\u30fc\u30bf\u3092\u518d\u9001\u4fe1\u3057\u307e\u3059\u3002 TCP \u306f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u3044\u9806\u5e8f\u3067\u518d\u69cb\u7bc9\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u30d8\u30c3\u30c0\u30fc\u3068\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u5805\u7262\u306a\u30a8\u30e9\u30fc \u30c1\u30a7\u30c3\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001TCP \u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8f3b\u8f33\u3092\u9632\u3050\u305f\u3081\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u9006\u306b\u3001UDP \u306f\u30d1\u30b1\u30c3\u30c8\u306e\u8ffd\u8de1\u3084\u518d\u9001\u4fe1\u3092\u884c\u308f\u306a\u3044\u305f\u3081\u3001\u30c7\u30fc\u30bf\u640d\u5931\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u306e\u8ffd\u8de1\u3084\u4e26\u3079\u66ff\u3048\u3082\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u9010\u6b21\u51e6\u7406\u3067\u306f\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 UDP \u306b\u306f\u3001\u8f3b\u8f33\u6642\u306b\u9001\u4fe1\u3092\u9045\u304f\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><\/p>\n<p>TCP \u306e\u5305\u62ec\u7684\u306a\u6a5f\u80fd\u306f\u30013 \u30a6\u30a7\u30a4 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3068\u7d99\u7d9a\u7684\u306a\u78ba\u8a8d\u5fdc\u7b54\u306b\u3088\u308a\u9045\u5ef6\u304c\u9577\u304f\u306a\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u3088\u308a\u5927\u304d\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3057\u307e\u3059\u3002 <a href=\"https:\/\/medium.com\/@nay1228\/exploring-the-differences-between-tcp-and-udp-a-deep-dive-comparison-d6c42b2b1688\" target=\"_blank\" rel=\"noopener\">20\uff5e60\u30d0\u30a4\u30c8\u306e\u5927\u304d\u306a\u30d8\u30c3\u30c0\u30fc<\/a>\u3001\u3088\u308a\u591a\u304f\u306e\u5e2f\u57df\u5e45\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002 TCP \u306f\u30ea\u30bd\u30fc\u30b9\u3092\u5927\u91cf\u306b\u6d88\u8cbb\u3059\u308b\u305f\u3081\u3001\u63a5\u7d9a\u72b6\u614b\u3001\u30bf\u30a4\u30de\u30fc\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306b\u5bfe\u3057\u3066\u3088\u308a\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3068\u51e6\u7406\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002 TCP \u3067\u30d1\u30b1\u30c3\u30c8\u304c\u5931\u308f\u308c\u308b\u3068\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u5185\u306e\u5f8c\u7d9a\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u9045\u5ef6\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u3053\u308c\u306f\u30d8\u30c3\u30c9\u30aa\u30d6\u30e9\u30a4\u30f3 \u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u73fe\u8c61\u3067\u3059\u3002 <a href=\"https:\/\/www.spiceworks.com\/networking\/tcp-vs-udp\/\" target=\"_blank\" rel=\"noopener\">\u305f\u3060\u3057\u3001UDP \u306f\u3001\u3088\u308a\u9ad8\u901f\u3067\u3001\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/a>\u3002 8 \u30d0\u30a4\u30c8\u306e\u30d8\u30c3\u30c0\u30fc\u304c\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u975e\u5e38\u306b\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\u7279\u5fb4<\/th>\n<p><\/p>\n<th>TCP (\u4f1d\u9001\u5236\u5fa1\u30d7\u30ed\u30c8\u30b3\u30eb)<\/th>\n<p><\/p>\n<th>UDP (\u30e6\u30fc\u30b6\u30fc \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0 \u30d7\u30ed\u30c8\u30b3\u30eb)<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>\u4fe1\u983c\u6027<\/td>\n<p><\/p>\n<td>\u30c7\u30fc\u30bf\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/td>\n<p><\/p>\n<td>\u30c7\u30fc\u30bf\u306e\u914d\u4fe1\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\u30b9\u30d4\u30fc\u30c9<\/td>\n<p><\/p>\n<td>\u6bd4\u8f03\u7684\u9045\u3044\u3002<\/td>\n<p><\/p>\n<td>\u3088\u308a\u901f\u304f\u3001\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u3059\u3002<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\u30d8\u30c3\u30c0\u30fc\u306e\u9577\u3055<\/td>\n<p><\/p>\n<td>\u53ef\u5909\u9577 (20 \uff5e 60 \u30d0\u30a4\u30c8)\u3002<\/td>\n<p><\/p>\n<td>\u56fa\u5b9a\u9577 (8 \u30d0\u30a4\u30c8)\u3002<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/td>\n<p><\/p>\n<td>\u4f4e\u3044\u3067\u3059\u304c\u3001UDP \u3088\u308a\u3082\u9ad8\u3044\u3067\u3059\u3002<\/td>\n<p><\/p>\n<td>\u975e\u5e38\u306b\u4f4e\u3044\u3067\u3059\u3002<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<h4>\u63a5\u7d9a\u6307\u5411\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u306e\u30a2\u30d7\u30ed\u30fc\u30c1<\/h4>\n<p><\/p>\n<p>\u901a\u4fe1\u3092\u78ba\u7acb\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3082\u3001\u3053\u308c\u3089 2 \u3064\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf \u30e6\u30cb\u30c3\u30c8\u304c\u533a\u5225\u3055\u308c\u307e\u3059\u3002 TCP \u306f\u63a5\u7d9a\u6307\u5411\u3067\u3059\u3002\u3092\u4f7f\u7528\u3057\u3066\u5c02\u7528\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.hostwinds.com\/tutorials\/tcp-vs-udp\" target=\"_blank\" rel=\"noopener\">\u30b9\u30ea\u30fc\u30a6\u30a7\u30a4 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af (SYN\u3001SYN-ACK\u3001ACK)<\/a> \u30c7\u30fc\u30bf\u79fb\u884c\u524d\u3002\u3053\u306e\u63a5\u7d9a\u306f 4 \u30a6\u30a7\u30a4 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3067\u7d42\u4e86\u3057\u307e\u3059\u3002 TCP \u306f\u30bb\u30c3\u30b7\u30e7\u30f3\u5168\u4f53\u3092\u901a\u3058\u3066\u901a\u4fe1\u72b6\u614b\u3092\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u8ffd\u8de1\u3057\u307e\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001UDP \u306f\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u3067\u3059\u3002\u4e8b\u524d\u306e\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3084\u5c02\u7528\u63a5\u7d9a\u3092\u884c\u308f\u305a\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u5404\u30d1\u30b1\u30c3\u30c8\u306f\u72ec\u7acb\u3057\u3066\u9001\u4fe1\u3055\u308c\u3001UDP \u306f\u901a\u4fe1\u72b6\u614b\u3092\u8ffd\u8de1\u3057\u307e\u305b\u3093\u3002<\/p>\n<p><\/p>\n<h3>\u5404\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306e\u5b9f\u969b\u306e\u5fdc\u7528\u4f8b<\/h3>\n<p><\/p>\n<h4>TCP\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u4f8b<\/h4>\n<p><\/p>\n<p>\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9806\u5e8f\u4ed8\u3051\u3089\u308c\u3001\u30a8\u30e9\u30fc\u304c\u5236\u5fa1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u9001\u4fe1\u3092\u5fc5\u8981\u3068\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4e3b\u306b TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 <a href=\"https:\/\/www.geeksforgeeks.org\/computer-networks\/examples-of-tcp-and-udp-in-real-life\/\" target=\"_blank\" rel=\"noopener\">WhatsApp\u3001Instagram\u3001Google Chat\u3001iMessage \u306a\u3069\u306e\u30c6\u30ad\u30b9\u30c8\u901a\u4fe1\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a> TCP \u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb (FTP) \u306f\u3001\u30c7\u30fc\u30bf\u640d\u5931\u304c\u8a31\u5bb9\u3055\u308c\u305a\u3001\u6b63\u3057\u3044\u9806\u5e8f\u304c\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u8ee2\u9001\u3059\u308b\u5834\u5408\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002 Web \u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b HyperText Transfer Protocol (HTTP) \u306f\u3001\u9806\u5e8f\u3069\u304a\u308a\u306e\u30c7\u30fc\u30bf\u914d\u4fe1\u3001\u30a8\u30e9\u30fc\u5236\u5fa1\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u518d\u9001\u4fe1\u306b TCP \u306e\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3042\u308b SMTP (Simple Mail Transfer Protocol) \u3082 TCP \u30b5\u30fc\u30d3\u30b9\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u4f7f\u7528\u4f8b<\/h4>\n<p><\/p>\n<p>\u4fe1\u983c\u6027\u3088\u308a\u3082\u901f\u5ea6\u3092\u512a\u5148\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 <a href=\"https:\/\/bytebytego.com\/guides\/top-4-most-popular-use-cases-for-udp\/\" target=\"_blank\" rel=\"noopener\">VoIP \u304a\u3088\u3073\u30d3\u30c7\u30aa\u4f1a\u8b70\u3067\u4f7f\u7528\u3055\u308c\u308b\u30e9\u30a4\u30d6 \u30d3\u30c7\u30aa \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0<\/a>\u3001UDP \u306e\u4f4e\u3044\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u306b\u5bfe\u3059\u308b\u8010\u6027\u306e\u6069\u6075\u3092\u53d7\u3051\u3001\u5f85\u3061\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002\u30c9\u30e1\u30a4\u30f3 \u30cd\u30fc\u30e0 \u30b7\u30b9\u30c6\u30e0 (DNS) \u306f\u901a\u5e38\u3001\u9ad8\u901f\u3067\u8efd\u91cf\u306a\u30af\u30a8\u30ea\u306b UDP \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u5e02\u5834\u30c7\u30fc\u30bf\u306e\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u306f\u3001\u4f4e\u9045\u5ef6\u53d6\u5f15\u3067 UDP \u3092\u5229\u7528\u3057\u3001\u5e02\u5834\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u53d7\u4fe1\u8005\u306b\u540c\u6642\u306b\u52b9\u7387\u7684\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002\u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 (IoT) \u30c7\u30d0\u30a4\u30b9\u306f\u3001\u5c0f\u3055\u306a\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u306e\u9001\u4fe1\u306b UDP \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002 <a href=\"https:\/\/medium.com\/@akashsdas_dev\/udp-networking-28281effe4ba\" target=\"_blank\" rel=\"noopener\">YouTube\u3084Netflix\u306a\u3069\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9<\/a> UDP \u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u9045\u5ef6\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u8efd\u5fae\u306a\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u3092\u8a31\u5bb9\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u518d\u751f\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002 <a href=\"https:\/\/www.xcitium.com\/blog\/network\/what-is-udp-protocol\/\" target=\"_blank\" rel=\"noopener\">\u30de\u30eb\u30c1\u30d7\u30ec\u30a4\u30e4\u30fc \u30b2\u30fc\u30e0\u3067\u3082 UDP \u304c\u597d\u307e\u308c\u307e\u3059<\/a> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u5fdc\u7b54\u6027\u3068\u30b9\u30e0\u30fc\u30ba\u306a\u30b2\u30fc\u30e0\u4f53\u9a13\u3092\u4fdd\u8a3c\u3057\u3001\u8efd\u5ea6\u306e\u30d1\u30b1\u30c3\u30c8\u640d\u5931\u3092\u8a31\u5bb9\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306e\u91cd\u8981\u6027<\/h2>\n<p><\/p>\n<h3>PDU \u304c\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u914d\u4fe1\u3092\u5bb9\u6613\u306b\u3059\u308b\u4ed5\u7d44\u307f<\/h3>\n<p><\/p>\n<h4>PDU \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u304a\u3051\u308b\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u5f79\u5272<\/h4>\n<p><\/p>\n<p>\u30bb\u30b0\u30e1\u30f3\u30c8\u3084\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306a\u3069\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64 PDU \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306e\u30db\u30b9\u30c8\u9593\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306b\u62e1\u5f35\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 <a href=\"https:\/\/s.web.umkc.edu\/sbs7vc\/IT321\/Transport\/\" target=\"_blank\" rel=\"noopener\">\u5de5\u7a0b\u9593\u914d\u9001\u30b5\u30fc\u30d3\u30b9<\/a>\u3002\u3053\u308c\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u591a\u91cd\u5316\u3068\u9006\u591a\u91cd\u5316\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u9001\u4fe1\u5074\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3088\u308a\u5c0f\u3055\u306a\u30c1\u30e3\u30f3\u30af\u306b\u5206\u5272\u3057\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d8\u30c3\u30c0\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 PDU \u306b\u5909\u63db\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e PDU \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u306b\u6e21\u3055\u308c\u307e\u3059\u3002\u53d7\u4fe1\u5074\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u304b\u3089\u3053\u308c\u3089\u306e PDU \u3092\u53d7\u4fe1\u3057\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d8\u30c3\u30c0\u30fc\u3092\u524a\u9664\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u518d\u7d44\u307f\u7acb\u3066\u3057\u3066\u3001\u9069\u5207\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d7\u30ed\u30bb\u30b9\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30db\u30b9\u30c8\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u7269\u7406\u7684\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3082\u8ad6\u7406\u7684\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u30dd\u30fc\u30c8\u756a\u53f7\u306f\u3001\u30db\u30b9\u30c8\u4e0a\u306e\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u30b5\u30fc\u30d3\u30b9\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3067\u91cd\u8981\u3067\u3059\u3002\u30c7\u30fc\u30bf\u304c\u5b9b\u5148\u306b\u5230\u7740\u3059\u308b\u3068\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306f\u30d8\u30c3\u30c0\u30fc\u5185\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9001\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001 <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\">\u30dd\u30fc\u30c8 80 \u306f HTTP \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3057\u3001\u30dd\u30fc\u30c8 25 \u306f\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u7ba1\u7406\u3057\u307e\u3059<\/a>\u3002\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u30011 \u53f0\u306e\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3001\u30c7\u30fc\u30bf\u306e\u65b9\u5411\u3092\u8aa4\u308b\u3053\u3068\u306a\u304f\u540c\u6642\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u3068\u30ab\u30d7\u30bb\u30eb\u5316\u89e3\u9664<\/h4>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u306b\u306f\u3001\u6b21\u306e\u3044\u305a\u308c\u304b\u306e\u8ffd\u52a0\u304c\u542b\u307e\u308c\u307e\u3059\u3002 <a href=\"https:\/\/jumpcloud.com\/it-index\/encapsulation-vs-decapsulation-in-networking\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u3078\u306e TCP \u307e\u305f\u306f UDP \u30d8\u30c3\u30c0\u30fc<\/a>\u3002 TCP \u30d8\u30c3\u30c0\u30fc\u306f\u3001\u9001\u4fe1\u5143\u304a\u3088\u3073\u5b9b\u5148\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3001\u78ba\u8a8d\u5fdc\u7b54\u756a\u53f7\u3001\u30a6\u30a3\u30f3\u30c9\u30a6 \u30b5\u30a4\u30ba\u3001\u5236\u5fa1\u30d5\u30e9\u30b0\u3092\u542b\u3080\u5305\u62ec\u7684\u306a\u3082\u306e\u3067\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001UDP \u30d8\u30c3\u30c0\u30fc\u306f\u3088\u308a\u5358\u7d14\u3067\u3001\u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u3001\u5b9b\u5148\u30dd\u30fc\u30c8\u3001\u9577\u3055\u3001\u304a\u3088\u3073\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u307f\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u304c TCP \u306e\u5834\u5408\u306f\u30bb\u30b0\u30e1\u30f3\u30c8\u3001\u307e\u305f\u306f UDP \u306e\u5834\u5408\u306f\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5c64\u3067\u306e\u30ab\u30d7\u30bb\u30eb\u5316\u89e3\u9664\u306f\u3001\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u8abf\u3079\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002 TCP \u306e\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d8\u30c3\u30c0\u30fc\u3092\u524a\u9664\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u914d\u4fe1\u3059\u308b\u524d\u306b\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3001\u78ba\u8a8d\u5fdc\u7b54\u3001\u304a\u3088\u3073\u30d5\u30ed\u30fc\u5236\u5fa1\u3082\u7ba1\u7406\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u3078\u306e\u5f71\u97ff<\/h3>\n<p><\/p>\n<h4>\u9069\u5207\u306a\u30d7\u30ed\u30c8\u30b3\u30eb \u30c7\u30fc\u30bf\u5358\u4f4d\u306e\u9078\u629e<\/h4>\n<p><\/p>\n<p>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u3068 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u8a08\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002 <a href=\"https:\/\/jumpcloud.com\/it-index\/understanding-layer-4-the-transport-layer-of-the-osi-model\" target=\"_blank\" rel=\"noopener\">TCP \u306f\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059<\/a> \u91d1\u878d\u53d6\u5f15\u3084\u533b\u7642\u8a18\u9332\u306a\u3069\u3001\u914d\u9054\u306e\u4fdd\u8a3c\u3002\u305f\u3060\u3057\u3001TCP \u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306f\u3001\u8ffd\u52a0\u306e\u30d8\u30c3\u30c0\u30fc\u3001\u78ba\u8a8d\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u518d\u9001\u4fe1\u306b\u3088\u308a\u3001\u5e2f\u57df\u5e45\u3068\u51e6\u7406\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u305f\u3081\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u884c\u982d\u30d6\u30ed\u30c3\u30af\u306f\u3001\u6b20\u843d\u3057\u305f\u30c7\u30fc\u30bf \u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u518d\u9001\u4fe1\u3092\u5f85\u6a5f\u3057\u3066\u3044\u308b\u9593\u306b\u5f8c\u7d9a\u306e\u30c7\u30fc\u30bf \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u9045\u5ef6\u3055\u305b\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u3001\u7279\u306b\u9045\u5ef6\u306e\u9577\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u9006\u306b\u3001UDP \u306f\u6700\u5c0f\u9650\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3067\u8efd\u91cf\u306a\u901a\u4fe1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u9045\u5ef6\u3092\u8a31\u5bb9\u3067\u304d\u306a\u3044\u6642\u9593\u306b\u654f\u611f\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u306e\u3088\u3046\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 <a href=\"https:\/\/algomaster.io\/learn\/system-design\/tcp-vs-udp\" target=\"_blank\" rel=\"noopener\">\u30d3\u30c7\u30aa\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0 (YouTube\u3001Netflix) \u306f UDP \u3092\u512a\u5148\u3057\u307e\u3059<\/a>\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u8efd\u5fae\u306a\u4e0d\u5177\u5408\u306b\u3057\u304b\u6c17\u4ed8\u304b\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u518d\u9001\u4fe1\u306e\u305f\u3081\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4e00\u6642\u505c\u6b62\u3059\u308b\u3088\u308a\u3082\u3001\u5358\u4e00\u306e\u30d5\u30ec\u30fc\u30e0\u3092\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u65b9\u304c\u671b\u307e\u3057\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b2\u30fc\u30e0\u3082 UDP \u306e\u6069\u6075\u3092\u53d7\u3051\u307e\u3059\u3002\u5b8c\u74a7\u306a\u60c5\u5831\u304c\u624b\u9045\u308c\u306b\u306a\u308b\u3088\u308a\u306f\u3001\u5c11\u3057\u53e4\u3044\u60c5\u5831\u3092\u53d7\u3051\u53d6\u308b\u65b9\u304c\u826f\u3044\u306e\u3067\u3059\u3002<\/p>\n<p><\/p>\n<h4>\u3055\u307e\u3056\u307e\u306a\u901a\u4fe1\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u6700\u9069\u5316\u3059\u308b<\/h4>\n<p><\/p>\n<p>\u901a\u4fe1\u30cb\u30fc\u30ba\u306e\u6700\u9069\u5316\u306b\u306f\u3001\u9069\u5207\u306a\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u9078\u629e\u3068\u7279\u5b9a\u306e\u6226\u7565\u306e\u5b9f\u88c5\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001 <a href=\"https:\/\/www.linkedin.com\/pulse\/navigating-autosars-communication-stack-empowering-layer-ferganey-r1g5f\" target=\"_blank\" rel=\"noopener\">PDU \u30eb\u30fc\u30bf\u30fc (PduR)<\/a> \u7570\u306a\u308b\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u9593\u3067 PDU \u3092\u52b9\u7387\u7684\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d0\u30b9\u56fa\u6709\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9 \u30e2\u30b8\u30e5\u30fc\u30eb\u307e\u305f\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u9593\u3067\u53d7\u4fe1\u3057\u305f PDU \u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002 CAN \u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb (CanTp) \u306f\u3001\u5927\u304d\u306a PDU \u3092\u30bb\u30b0\u30e1\u30f3\u30c8\u5316\u3057\u3001\u53d7\u4fe1\u5074\u3067\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u542b\u3081\u3066\u518d\u7d44\u307f\u7acb\u3066\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30c3\u30bb\u30fc\u30b8 \u30b5\u30a4\u30ba\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002\u958b\u767a\u8005\u306f\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u3001\u30c7\u30fc\u30bf\u306e\u7a2e\u985e\u3001\u5e2f\u57df\u5e45\u306e\u8981\u4ef6\u3001\u4fe1\u983c\u6027\u306e\u30cb\u30fc\u30ba\u3001\u304a\u3088\u3073\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30b3\u30b9\u30c8\u3092\u8003\u616e\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<hr \/>\n<p><\/p>\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e <a href=\"https:\/\/niusheng.gg13.globaldeepsea.site\/understanding-protocol-data-unit-pdu-network-guide\/\" target=\"_blank\" rel=\"noopener\"><strong>\u30d7\u30ed\u30c8\u30b3\u30eb\u30c7\u30fc\u30bf\u30e6\u30cb\u30c3\u30c8<\/strong><\/a> TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u307e\u305f\u306f UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002 TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9806\u5e8f\u4ed8\u3051\u3089\u308c\u3001\u30a8\u30e9\u30fc \u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u30c7\u30fc\u30bf\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u3001\u9ad8\u901f\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u3001\u4f4e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u9001\u4fe1\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002\u5404 PDU \u30bf\u30a4\u30d7\u306f\u3001\u7570\u306a\u308b\u901a\u4fe1\u8981\u4ef6\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u52b9\u7387\u306b\u3068\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u9078\u629e\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e PDU \u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3092\u79fb\u52d5\u3057\u3001\u76ee\u7684\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5230\u9054\u3059\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><\/p>\n<h3>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u3068 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306e\u4e3b\u306a\u9055\u3044\u306f\u4f55\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u9806\u5e8f\u4ed8\u3051\u3089\u308c\u3001\u30a8\u30e9\u30fc \u30c1\u30a7\u30c3\u30af\u3055\u308c\u305f\u30c7\u30fc\u30bf\u914d\u4fe1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u9006\u306b\u3001UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u306f\u3001\u9ad8\u901f\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u3001\u4f4e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306e\u9001\u4fe1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u958b\u767a\u8005\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u305d\u308c\u3089\u306e\u4e2d\u304b\u3089\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4fdd\u8a3c\u3055\u308c\u305f\u30c7\u30fc\u30bf\u914d\u4fe1\u304c\u5fc5\u8981\u306a\u5834\u5408\u306b TCP \u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001Web \u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u3001\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u304c\u542b\u307e\u308c\u307e\u3059\u3002 TCP \u306f\u3001\u30c7\u30fc\u30bf\u304c\u9069\u5207\u306a\u9806\u5e8f\u3067\u6b63\u3057\u304f\u5230\u7740\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066 UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u304c\u3088\u308a\u9069\u5207\u306a\u9078\u629e\u3068\u306a\u308b\u306e\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>UDP \u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u4fe1\u983c\u6027\u3088\u308a\u3082\u901f\u5ea6\u3092\u512a\u5148\u3057\u307e\u3059\u3002\u4f8b\u306b\u306f\u3001\u30e9\u30a4\u30d6 \u30d3\u30c7\u30aa \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u30aa\u30f3\u30e9\u30a4\u30f3 \u30b2\u30fc\u30e0\u3001DNS \u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u5f85\u3061\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u305f\u3081\u306b\u3001\u8efd\u5ea6\u306e\u30c7\u30fc\u30bf\u640d\u5931\u3092\u8a31\u5bb9\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30dd\u30fc\u30c8\u756a\u53f7\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64 PDU \u3067\u3069\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u304b?<\/h3>\n<p><\/p>\n<p>\u30dd\u30fc\u30c8\u756a\u53f7\u306f\u30db\u30b9\u30c8\u4e0a\u306e\u7279\u5b9a\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u304c\u53d7\u4fe1\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 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