{"id":6152,"date":"2025-10-06T21:05:59","date_gmt":"2025-10-06T12:05:59","guid":{"rendered":"https:\/\/sky-peace.net\/?p=6152"},"modified":"2025-10-06T21:05:59","modified_gmt":"2025-10-06T12:05:59","slug":"socket","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/socket\/","title":{"rendered":"\u30bd\u30b1\u30c3\u30c8\u3068\u306f\uff1f\u56f3\u3067\u7406\u89e3\u3059\u308b\u901a\u4fe1\u306e\u5165\u53e3\u3068OS\u5185\u90e8\u306e\u4ed5\u7d44\u307f\u3010TCP\/IP\u30fb\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u307e\u3067\u5fb9\u5e95\u89e3\u8aac\u3011"},"content":{"rendered":"

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\u3053\u306e\u7591\u554f\u306f\u3001\u7279\u306b\u5fdc\u7528\u60c5\u5831\u6280\u8853\u8005\u8a66\u9a13\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u5348\u5f8c\u554f\u984c\u3067\u554f\u308f\u308c\u308b\u3001TCP\/IP\u306e\u6df1\u3044\u7406\u89e3\u306b\u7e4b\u304c\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n

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\u30bd\u30b1\u30c3\u30c8\u3068\u306f\u4f55\u304b\uff1f \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068OS\u3092\u7e4b\u3050\u300c\u901a\u4fe1\u30cf\u30f3\u30c9\u30eb\u300d\u306e\u6b63\u4f53<\/h2>\n

\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3076\u4e0a\u3067\u3001\u30bd\u30b1\u30c3\u30c8\u306f\u907f\u3051\u3066\u306f\u901a\u308c\u306a\u3044\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3067\u3059\u3002\u591a\u304f\u306e\u89e3\u8aac\u66f8\u3067\u306f\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3092\u884c\u3046\u305f\u3081\u306e\u51fa\u5165\u53e3\u300d\u3068\u8aac\u660e\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u300c\u51fa\u5165\u53e3\u300d\u3068\u306f\u5177\u4f53\u7684\u306b\u4f55\u3092\u6307\u3059\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u30bd\u30b1\u30c3\u30c8\u306e\u6b63\u4f53\u306f\u300cOS\u304c\u7ba1\u7406\u3059\u308b\u3001\u901a\u4fe1\u5236\u5fa1\u306e\u305f\u3081\u306e\u60c5\u5831\u304c\u8a70\u307e\u3063\u305f\u30c7\u30fc\u30bf\u69cb\u9020\u300d<\/strong>\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n

\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u9001\u308a\u305f\u3044\u300d\u3068\u8003\u3048\u305f\u3068\u304d\u3001\u76f4\u63a5\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\uff08NIC\uff09\u3092\u64cd\u4f5c\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001OS\u306b\u5bfe\u3057\u3066\u300c\u901a\u4fe1\u3092\u59cb\u3081\u305f\u3044\u306e\u3067\u3001\u7a93\u53e3\u3092\u7528\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u4f9d\u983c\u3057\u307e\u3059\u3002\u3053\u306e\u4f9d\u983c\u306b\u5fdc\u3058\u3066OS\u304c\u4f5c\u6210\u3059\u308b\u3001\u3044\u308f\u3070\u901a\u4fe1\u5c02\u7528\u306e\u53d7\u4ed8\u7a93\u53e3\u304c\u30bd\u30b1\u30c3\u30c8\u3067\u3059\u3002<\/p>\n

\uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30bd\u30b1\u30c3\u30c8\u3001OS\uff08TCP\/IP\u30b9\u30bf\u30c3\u30af\uff09\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30fc\u30c9\u306e\u95a2\u4fc2\u6027\u3092\u793a\u3059\u30b7\u30f3\u30d7\u30eb\u306a\u968e\u5c64\u56f3\uff09<\/p>\n

\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u8996\u70b9\u304b\u3089\u898b\u308b\u3068\u3001\u30bd\u30b1\u30c3\u30c8\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u8aad\u307f\u66f8\u304d\u3059\u308b\u969b\u306e\u300c\u30d5\u30a1\u30a4\u30eb\u30cf\u30f3\u30c9\u30eb\uff08\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff09\u300d\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30cf\u30f3\u30c9\u30eb\u3092\u4f7f\u3063\u3066read()<\/code>\u3084write()<\/code>\u3092\u884c\u3046\u3088\u3046\u306b\u3001\u30bd\u30b1\u30c3\u30c8\u30cf\u30f3\u30c9\u30eb\uff08\u30bd\u30b1\u30c3\u30c8\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff09\u3092\u4f7f\u3063\u3066recv()<\/code>\u3084send()<\/code>\u3092\u5b9f\u884c\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5148\u306b\u3044\u308b\u76f8\u624b\u3068\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \n
  • \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u306e\u300c\u51fa\u5165\u53e3\u300d<\/strong>: \u30bd\u30b1\u30c3\u30c8\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u3044\u3046\u5916\u90e8\u4e16\u754c\u3068\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u552f\u4e00\u306e\u7a93\u53e3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/li>\n
  • OS\u5185\u90e8\u306e\u300c\u30c7\u30fc\u30bf\u69cb\u9020\u300d<\/strong>: OS\u306f\u30bd\u30b1\u30c3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u901a\u4fe1\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u30e1\u30e2\u30ea\u9818\u57df\uff08socket<\/code>\u69cb\u9020\u4f53\u306a\u3069\uff09\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u30bd\u30b1\u30c3\u30c8\u306e\u5b9f\u4f53\u3067\u3059\u3002<\/li>\n
  • \u30d7\u30ed\u30b0\u30e9\u30de\u304b\u3089\u898b\u305f\u300c\u901a\u4fe1\u30cf\u30f3\u30c9\u30eb\u300d<\/strong>: \u4e00\u5ea6\u4f5c\u6210\u3055\u308c\u305f\u30bd\u30b1\u30c3\u30c8\u306f\u3001\u7279\u5b9a\u306e\u756a\u53f7\uff08\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff09\u3067\u7ba1\u7406\u3055\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3053\u306e\u756a\u53f7\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u3092OS\u306b\u547d\u4ee4\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

    \u3053\u306e\u3088\u3046\u306b\u3001\u30bd\u30b1\u30c3\u30c8\u306f\u5358\u306a\u308b\u62bd\u8c61\u7684\u306a\u300c\u5165\u53e3\u300d\u3067\u306f\u306a\u304f\u3001OS\u5185\u90e8\u306b\u78ba\u4fdd\u3055\u308c\u308b\u5177\u4f53\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u3067\u3042\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u305d\u308c\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u300c\u30cf\u30f3\u30c9\u30eb\u300d\u3067\u3082\u3042\u308b\u306e\u3067\u3059\u3002\u3053\u306e\u4e8c\u9762\u6027\u304c\u3001\u30bd\u30b1\u30c3\u30c8\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u6700\u521d\u306e\u91cd\u8981\u306a\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u30bd\u30b1\u30c3\u30c8\u3068IP\u30a2\u30c9\u30ec\u30b9\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u95a2\u4fc2\uff5c\u901a\u4fe1\u76f8\u624b\u3092\u7279\u5b9a\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n

    \u30bd\u30b1\u30c3\u30c8\u304c\u901a\u4fe1\u306e\u7a93\u53e3\u3067\u3042\u308b\u3068\u7406\u89e3\u3067\u304d\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306b\u300c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u7279\u5b9a\u306e\u76f8\u624b\u3068\u901a\u4fe1\u3059\u308b\u306e\u304b\u300d\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304c\u3001\u304a\u306a\u3058\u307f\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u3059\u3002<\/p>\n

    \u3053\u308c\u3089\u306e\u95a2\u4fc2\u306f\u3001\u3088\u304f\u73fe\u5b9f\u4e16\u754c\u306e\u4f4f\u6240\u306b\u4f8b\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n

      \n
    • IP\u30a2\u30c9\u30ec\u30b9<\/strong>: \u5efa\u7269\u306e\u4f4f\u6240\uff08\u4f8b: \u6771\u4eac\u90fd\u5343\u4ee3\u7530\u533a\u5343\u4ee3\u75301-1\uff09<\/li>\n
    • \u30dd\u30fc\u30c8\u756a\u53f7<\/strong>: \u5efa\u7269\u306e\u4e2d\u306e\u90e8\u5c4b\u756a\u53f7\uff08\u4f8b: 101\u53f7\u5ba4\uff09<\/li>\n
    • \u30bd\u30b1\u30c3\u30c8<\/strong>: \u305d\u306e\u90e8\u5c4b\u306b\u5b9f\u969b\u306b\u8a2d\u7f6e\u3055\u308c\u305f\u300c\u30c9\u30a2\u300d\u305d\u306e\u3082\u306e<\/li>\n<\/ul>\n

      \u4f4f\u6240\u3068\u90e8\u5c4b\u756a\u53f7\u304c\u5206\u304b\u308c\u3070\u3001\u7279\u5b9a\u306e\u90e8\u5c4b\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u306b\u624b\u7d19\u3092\u5c4a\u3051\u3089\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u901a\u4fe1\u306f\u4e00\u65b9\u901a\u884c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8ab0\u304b\u3089\u8ab0\u3078\u306e\u901a\u4fe1\u306a\u306e\u304b\u3092\u660e\u78ba\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306bTCP\u306e\u3088\u3046\u306a\u4fe1\u983c\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u901a\u4fe1\u3067\u306f\u3001OS\u306f\u3059\u3079\u3066\u306e\u901a\u4fe1\u3092\u30e6\u30cb\u30fc\u30af\u306b\u8b58\u5225\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n

      \u3053\u306e\u8b58\u5225\u306e\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u306e\u304c\u3001\u4ee5\u4e0b\u306e4\u3064\u306e\u60c5\u5831\u30bb\u30c3\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u300c4-tuple\uff08\u30d5\u30a9\u30fc\u30fb\u30bf\u30d7\u30eb\uff09\u300d<\/strong>\u3068\u547c\u3070\u308c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u901a\u4fe1\u306e\u6700\u5c0f\u5358\u4f4d\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n
      \u8981\u7d20<\/th>\n\u5f79\u5272<\/th>\n\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
      \u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9<\/td>\n\u901a\u4fe1\u3092\u9001\u308a\u51fa\u3059\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf<\/td>\n192.0.2.10 (\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC)<\/td>\n<\/tr>\n
      \u9001\u4fe1\u5143\u30dd\u30fc\u30c8\u756a\u53f7<\/td>\n\u9001\u308a\u51fa\u3059\u5074\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3059\u308b\u756a\u53f7<\/td>\n54321 (OS\u304c\u81ea\u52d5\u3067\u5272\u308a\u5f53\u3066\u305f\u30dd\u30fc\u30c8)<\/td>\n<\/tr>\n
      \u5b9b\u5148IP\u30a2\u30c9\u30ec\u30b9<\/td>\n\u901a\u4fe1\u3092\u53d7\u3051\u53d6\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf<\/td>\n203.0.113.80 (Web\u30b5\u30fc\u30d0)<\/td>\n<\/tr>\n
      \u5b9b\u5148\u30dd\u30fc\u30c8\u756a\u53f7<\/td>\n\u53d7\u3051\u53d6\u308b\u5074\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8b58\u5225\u3059\u308b\u756a\u53f7<\/td>\n443 (HTTPS)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      OS\u306f\u3001\u3053\u306e4\u3064\u306e\u60c5\u5831\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3059\u308b\u901a\u4fe1\u3092\u300c1\u3064\u306e\u30e6\u30cb\u30fc\u30af\u306aTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u300d\u3068\u3057\u3066\u7ba1\u7406\u3057\u3001\u305d\u308c\u30921\u3064\u306e\u30bd\u30b1\u30c3\u30c8\u306b\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305f\u3068\u3048\u5b9b\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\uff08\u4f8b\u3048\u3070Web\u30b5\u30fc\u30d0\u306eIP\u3068443\u756a\u30dd\u30fc\u30c8\uff09\u304c\u540c\u3058\u3067\u3082\u3001\u9001\u4fe1\u5143\u306eIP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u304c\u7570\u306a\u308c\u3070\u3001OS\u306f\u305d\u308c\u3089\u3092\u5225\u306e\u901a\u4fe1\u3068\u3057\u3066\u6b63\u3057\u304f\u533a\u5225\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n

      \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a1\u53f0\u306eWeb\u30b5\u30fc\u30d0\u306b\u30012\u53f0\u306e\u7570\u306a\u308b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u304c\u63a5\u7d9a\u3057\u3066\u3044\u308b\u56f3\u3002\u30b5\u30fc\u30d0\u5074\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u3001\u305d\u308c\u305e\u308c\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e4-tuple\u306b\u3088\u3063\u3066\u533a\u5225\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\uff09<\/p>\n

      \u3053\u308c\u304c\u30011\u53f0\u306eWeb\u30b5\u30fc\u30d0\u304c\u4f55\u5343\u3001\u4f55\u4e07\u3068\u3044\u3046\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u540c\u6642\u306bHTTPS\u901a\u4fe1\u3092\u884c\u3048\u308b\u7406\u7531\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3054\u3068\u306b\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0OS\u306f\u7121\u6570\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u751f\u6210\u30fb\u7ba1\u7406\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u901a\u4fe1\u3092\u6df7\u7dda\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u51e6\u7406\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n

      \u30bd\u30b1\u30c3\u30c8\u306f1\u5bfe\u3067\u306f\u306a\u3044\uff1f\u30b5\u30fc\u30d0\u30fb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u4e21\u5074\u3067\u751f\u6210\u3055\u308c\u308b\u4ed5\u7d44\u307f<\/h2>\n

      1\u672c\u306e\u901a\u4fe1\uff08TCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\uff09\u304c\u78ba\u7acb\u3055\u308c\u308b\u3068\u3001\u305d\u3053\u306b\u306f\u3044\u304f\u3064\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u95a2\u308f\u3063\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304b\uff1f \u76f4\u611f\u7684\u306b\u306f\u300c1\u672c\u306e\u901a\u4fe1\u3060\u304b\u30891\u3064\u300d\u3068\u8003\u3048\u3066\u3057\u307e\u3044\u304c\u3061\u3067\u3059\u304c\u3001\u6b63\u89e3\u306f\u300c2\u3064\u300d<\/strong>\u3067\u3059\u3002<\/p>\n

      TCP\u901a\u4fe1\u3067\u306f\u3001\u5fc5\u305a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3068\u30b5\u30fc\u30d0\u5074\u306e\u4e21\u65b9\u306eOS\u306b\u3001\u305d\u308c\u305e\u308c1\u3064\u305a\u3064\u30bd\u30b1\u30c3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u30011\u3064\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306f\u30012\u3064\u306e\u30bd\u30b1\u30c3\u30c8\u306b\u3088\u3063\u3066\u652f\u3048\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

      \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8PC\u3068Web\u30b5\u30fc\u30d0\u304c\u901a\u4fe1\u3057\u3066\u3044\u308b\u56f3\u3002\u305d\u308c\u305e\u308c\u306eOS\u5185\u90e8\u306b\u30bd\u30b1\u30c3\u30c8\u304c\u5b58\u5728\u3057\u30011\u5bfe\u306e\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u5f62\u6210\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\uff09<\/p>\n

      \u306a\u305c\u4e21\u5074\u306b\u30bd\u30b1\u30c3\u30c8\u304c\u5fc5\u8981\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u308c\u306f\u3001TCP\u304c\u300c\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u300d\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306b\u6df1\u304f\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

        \n
      • \u72ec\u7acb\u3057\u305f\u72b6\u614b\u7ba1\u7406<\/strong>: TCP\u306f\u300c\u9001\u3063\u305f\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u76f8\u624b\u306b\u5c4a\u3044\u305f\u304b\u300d\u300c\u30c7\u30fc\u30bf\u304c\u9014\u4e2d\u3067\u629c\u3051\u843d\u3061\u305f\u308a\u3001\u9806\u756a\u304c\u5165\u308c\u66ff\u308f\u3063\u305f\u308a\u3057\u3066\u3044\u306a\u3044\u304b\u300d\u3092\u5e38\u306b\u76e3\u8996\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u9001\u4fe1\u5074\u306f\u300c\u3069\u3053\u307e\u3067\u9001\u3063\u305f\u304b\u300d\u3001\u53d7\u4fe1\u5074\u306f\u300c\u3069\u3053\u307e\u3067\u53d7\u3051\u53d6\u3063\u305f\u304b\u300d\u3068\u3044\u3046\u72b6\u614b\u3092\u3001\u305d\u308c\u305e\u308c\u72ec\u7acb\u3057\u3066\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u3001\u3053\u306e\u72b6\u614b\u7ba1\u7406\u60c5\u5831\uff08\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3084ACK\u756a\u53f7\u306a\u3069\uff09\u3084\u9001\u53d7\u4fe1\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u6e9c\u3081\u3066\u304a\u304f\u30d0\u30c3\u30d5\u30a1\u3092\u4fdd\u6301\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002<\/li>\n
      • \u30ea\u30bd\u30fc\u30b9\u306e\u78ba\u4fdd<\/strong>: \u901a\u4fe1\u3092\u5b89\u5b9a\u3057\u3066\u884c\u3046\u305f\u3081\u306b\u306f\u3001\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u4fdd\u7ba1\u3059\u308b\u30e1\u30e2\u30ea\u9818\u57df\uff08\u30d0\u30c3\u30d5\u30a1\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u3092\u3001\u30b5\u30fc\u30d0\u306f\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u3092\u4f7f\u3044\u307e\u3059\uff08\u9006\u3082\u7136\u308a\uff09\u3002\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u306f\u3001\u305d\u308c\u305e\u308c\u306eOS\u304c\u81ea\u3089\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u305f\u3081\u306b\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

        \u3053\u308c\u3092\u96fb\u8a71\u306b\u4f8b\u3048\u308b\u306a\u3089\u30011\u3064\u306e\u300c\u901a\u8a71\u300d\u306e\u305f\u3081\u306b\u3001\u3042\u306a\u305f\u3068\u76f8\u624b\u306e\u305d\u308c\u305e\u308c\u304c\u300c\u53d7\u8a71\u5668\uff08\u96fb\u8a71\u6a5f\uff09\u300d\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3068\u540c\u3058\u3067\u3059\u3002\u53cc\u65b9\u306e\u53d7\u8a71\u5668\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u521d\u3081\u3066\u3001\u5186\u6ed1\u306a\u4f1a\u8a71\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u30bd\u30b1\u30c3\u30c8\u3082\u540c\u69d8\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u306e\u4e21\u8f2a\u304c\u3042\u3063\u3066\u521d\u3081\u3066\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u304c\u5b9f\u73fe\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n

        \u30bd\u30b1\u30c3\u30c8\u306e\u5185\u90e8\u69cb\u9020\u3068\u30e1\u30e2\u30ea\u6d88\u8cbb\uff5cOS\u304c\u78ba\u4fdd\u3059\u308bTCP\u5236\u5fa1\u30d6\u30ed\u30c3\u30af(TCB)\u3068\u306f<\/h2>\n

        \u30bd\u30b1\u30c3\u30c8\u304c\u5358\u306a\u308b\u300c\u5165\u53e3\u300d\u3067\u306f\u306a\u304f\u3001\u901a\u4fe1\u72b6\u614b\u3092\u7ba1\u7406\u3059\u308b\u5b9f\u4f53\u3067\u3042\u308b\u3053\u3068\u3092\u7e70\u308a\u8fd4\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3067\u306f\u3001socket()<\/code>\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u304c\u547c\u3070\u308c\u305f\u3068\u304d\u3001OS\u306e\u30ab\u30fc\u30cd\u30eb\u5185\u3067\u306f\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u751f\u6210\u3055\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u306e\u6b63\u4f53\u306f\u3001\u30e1\u30e2\u30ea\u4e0a\u306b\u78ba\u4fdd\u3055\u308c\u308b\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u96c6\u5408\u4f53\u3067\u3059\u3002<\/p>\n

        TCP\u30bd\u30b1\u30c3\u30c8\u304c1\u3064\u4f5c\u3089\u308c\u308b\u3068\u3001OS\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30e1\u30e2\u30ea\u4e0a\u306b\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n

        \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1aOS\u30ab\u30fc\u30cd\u30eb\u5185\u306b\u78ba\u4fdd\u3055\u308c\u308b\u30bd\u30b1\u30c3\u30c8\u306e\u5185\u90e8\u69cb\u9020\u56f3\u3002TCB\u3001\u9001\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u3001\u30bf\u30a4\u30de\u30fc\u3001FD\u306a\u3069\u304c\u542b\u307e\u308c\u308b\u30a4\u30e1\u30fc\u30b8\uff09<\/p>\n

          \n
        • \n TCP\u5236\u5fa1\u30d6\u30ed\u30c3\u30af (TCB: Transmission Control Block)<\/strong><\/p>\n

          \u30bd\u30b1\u30c3\u30c8\u306e\u5fc3\u81d3\u90e8\u3068\u3082\u8a00\u3048\u308b\u6700\u3082\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3059\u3002TCB\u306b\u306f\u3001\u7279\u5b9a\u306eTCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u3042\u3089\u3086\u308b\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u901a\u4fe1\u76f8\u624b\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\u3001\u73fe\u5728\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3068ACK\u756a\u53f7\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u30b5\u30a4\u30ba\u3001\u8f3b\u8f33\u5236\u5fa1\u306e\u72b6\u614b\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u72b6\u614b\uff08ESTABLISHED, FIN_WAIT\u306a\u3069\uff09\u3068\u3044\u3063\u305f\u3001\u307e\u3055\u306bTCP\u306e\u982d\u8133\u306b\u3042\u305f\u308b\u90e8\u5206\u3067\u3059\u3002<\/p>\n<\/li>\n

        • \n \u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u3068\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1<\/strong><\/p>\n

          TCP\u306e\u4fe1\u983c\u6027\u3092\u652f\u3048\u308b\u7e01\u306e\u4e0b\u306e\u529b\u6301\u3061\u3067\u3059\u3002\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1<\/strong>\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u6e21\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u3046\u3061\u3001\u307e\u3060\u76f8\u624b\u304b\u3089\u306e\u78ba\u8a8d\u5fdc\u7b54\uff08ACK\uff09\u304c\u8fd4\u3063\u3066\u304d\u3066\u3044\u306a\u3044\u3082\u306e\u3092\u4fdd\u6301\u3057\u7d9a\u3051\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u300c\u518d\u9001\u300d\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1<\/strong>\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5c4a\u3044\u305f\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u6e9c\u3081\u3066\u304a\u304f\u5834\u6240\u3067\u3059\u3002TCP\u3067\u306f\u30d1\u30b1\u30c3\u30c8\u306e\u5230\u7740\u9806\u5e8f\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u3053\u3053\u3067\u9806\u756a\u3092\u6b63\u3057\u304f\u4e26\u3079\u66ff\u3048\u305f\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u307e\u3067\u306e\u9593\u3001\u4fdd\u7ba1\u3057\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

        • \n \u305d\u306e\u4ed6\u306e\u95a2\u9023\u60c5\u5831<\/strong><\/p>\n

          \u4e0a\u8a18\u4ee5\u5916\u306b\u3082\u3001\u518d\u9001\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u8a08\u308b\u305f\u3081\u306e\u5404\u7a2e\u30bf\u30a4\u30de\u30fc<\/strong>\u3001\u6700\u9069\u306a\u30d1\u30b1\u30c3\u30c8\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3059\u308b\u305f\u3081\u306e\u7d4c\u8def\u60c5\u5831\uff08MTU\u306a\u3069\uff09<\/strong>\u3001\u305d\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3053\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u8b58\u5225\u30fb\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff08FD\uff09<\/strong>\u306a\u3069\u304cTCB\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n

          \u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3001\u7279\u306b\u9001\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u306f\u76f8\u5fdc\u306e\u30e1\u30e2\u30ea\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u30011\u3064\u306eTCP\u30bd\u30b1\u30c3\u30c8\u3042\u305f\u308a\u3001OS\u306e\u8a2d\u5b9a\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u6570\u5341KB\u304b\u3089\u6570\u767eKB\u3082\u306e\u30ab\u30fc\u30cd\u30eb\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b<\/strong>\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u3001\u30b5\u30fc\u30d0\u304c\u9ad8\u8ca0\u8377\u6642\u306b\u300c\u30bd\u30b1\u30c3\u30c8\u306e\u6570\u304c\u4e0a\u9650\u306b\u9054\u3059\u308b\u300d\u3068\u3044\u3046\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u7269\u7406\u7684\u306a\u539f\u56e0\u3067\u3059\u3002<\/p>\n

          \u3061\u306a\u307f\u306b\u3001\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u578b\u3067\u3042\u308bUDP\u306e\u30bd\u30b1\u30c3\u30c8\u306f\u3001TCB\u306e\u3088\u3046\u306a\u8907\u96d1\u306a\u72b6\u614b\u7ba1\u7406\u6a5f\u69cb\u3084\u518d\u9001\u306e\u305f\u3081\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u6301\u305f\u306a\u3044\u305f\u3081\u3001TCP\u30bd\u30b1\u30c3\u30c8\u306b\u6bd4\u3079\u3066\u975e\u5e38\u306b\u8efd\u91cf\u3067\u3059\u3002\u4fe1\u983c\u6027\u3092\u30d7\u30ed\u30c8\u30b3\u30eb\u5074\u3067\u62c5\u4fdd\u3059\u308b\u304b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u62c5\u4fdd\u3059\u308b\u304b\u306e\u9055\u3044\u304c\u3001\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u91cf\u306b\u76f4\u63a5\u73fe\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

          \u30bd\u30b1\u30c3\u30c8\u304c\u30e1\u30e2\u30ea\u7b49\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u7406\u7531\uff5cTCP\u306e\u4fe1\u983c\u6027\u62c5\u4fdd\u3068\u3044\u3046\u5f79\u5272<\/h2>\n

          \u3053\u3053\u307e\u3067\u306e\u89e3\u8aac\u3067\u3001TCP\u30bd\u30b1\u30c3\u30c8\u304cOS\u5185\u90e8\u3067\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u3067\u306f\u3001\u306a\u305c\u30bd\u30b1\u30c3\u30c8\u3001\u7279\u306bTCP\u30bd\u30b1\u30c3\u30c8\u306f\u3053\u308c\u307b\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u305d\u306e\u7b54\u3048\u306f\u3001TCP\u304c\u62c5\u3046\u300c\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u4fdd\u8a3c\u3059\u308b\u300d<\/strong>\u3068\u3044\u3046\u91cd\u3044\u8cac\u52d9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

          UDP\u304c\u30c7\u30fc\u30bf\u3092\u9001\u308a\u3063\u3071\u306a\u3057\u306b\u3059\u308b\u300c\u914d\u9054\u4eba\u300d\u3060\u3068\u3059\u308c\u3070\u3001TCP\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u6301\u3064\u300c\u512a\u79c0\u3067\u51e0\u5e33\u9762\u306a\u79d8\u66f8\u300d\u306b\u4f8b\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

            \n
          • \u914d\u9054\u78ba\u8a8d\uff08ACK\uff09<\/strong>: \u9001\u3063\u305f\u30c7\u30fc\u30bf\u304c\u76f8\u624b\u306b\u5c4a\u3044\u305f\u304b\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3001\u78ba\u8a8d\u5fdc\u7b54\uff08ACK\uff09\u304c\u8fd4\u3063\u3066\u304f\u308b\u307e\u3067\u9818\u53ce\u66f8\uff08\u9001\u4fe1\u30c7\u30fc\u30bf\uff09\u3092\u4fdd\u7ba1\u3057\u7d9a\u3051\u307e\u3059\u3002\u3053\u306e\u300c\u4fdd\u7ba1\u300d\u306e\u305f\u3081\u306b\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n
          • \u9806\u5e8f\u306e\u6574\u5217\uff08\u9806\u5e8f\u4fdd\u8a3c\uff09<\/strong>: \u30c7\u30fc\u30bf\u304c\u30d0\u30e9\u30d0\u30e9\u306e\u9806\u756a\u3067\u5c4a\u3044\u3066\u3082\u3001\u53d7\u4fe1\u5074\u3067\u6b63\u3057\u3044\u9806\u5e8f\u306b\u4e26\u3079\u66ff\u3048\u3066\u304b\u3089\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u6e21\u3057\u307e\u3059\u3002\u3053\u306e\u300c\u6574\u5217\u300d\u4f5c\u696d\u306e\u305f\u3081\u306b\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/li>\n
          • \u518d\u914d\u9054\uff08\u518d\u9001\u5236\u5fa1\uff09<\/strong>: \u30c7\u30fc\u30bf\u304c\u9014\u4e2d\u3067\u7d1b\u5931\u3057\u305f\u3053\u3068\u3092\u691c\u77e5\u3057\u305f\u3089\u3001\u4fdd\u7ba1\u3057\u3066\u304a\u3044\u305f\u9818\u53ce\u66f8\u3092\u5143\u306b\u540c\u3058\u30c7\u30fc\u30bf\u3092\u518d\u9001\u3057\u307e\u3059\u3002<\/li>\n
          • \u30da\u30fc\u30b9\u8abf\u6574\uff08\u30d5\u30ed\u30fc\u5236\u5fa1\u30fb\u8f3b\u8f33\u5236\u5fa1\uff09<\/strong>: \u76f8\u624b\u306e\u53d7\u3051\u53d6\u308a\u80fd\u529b\uff08\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u306e\u7a7a\u304d\uff09\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6df7\u96d1\u72b6\u6cc1\u3092\u5e38\u306b\u76e3\u8996\u3057\u3001\u9001\u308a\u51fa\u3059\u30c7\u30fc\u30bf\u91cf\u3092\u52d5\u7684\u306b\u8abf\u6574\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

            \u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u901a\u4fe1\u306e\u3042\u3089\u3086\u308b\u300c\u72b6\u614b\uff08\u30b9\u30c6\u30fc\u30c8\uff09\u300d\u3092\u5e38\u306b\u8a18\u61b6\u3057\u3001\u7ba1\u7406\u3057\u7d9a\u3051\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002TCP\u5236\u5fa1\u30d6\u30ed\u30c3\u30af\uff08TCB\uff09\u306f\u3001\u307e\u3055\u306b\u3053\u306e\u81a8\u5927\u306a\u72b6\u614b\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u53f0\u5e33\u3067\u3042\u308a\u3001\u9001\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u306f\u305d\u306e\u4f5c\u696d\u30b9\u30da\u30fc\u30b9\u3067\u3059\u3002<\/p>\n

            \u3064\u307e\u308a\u3001\u30bd\u30b1\u30c3\u30c8\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u306e\u306f\u3001\u305d\u308c\u304c\u5358\u306a\u308b\u300c\u30c7\u30fc\u30bf\u306e\u901a\u308a\u9053\u300d\u3067\u306f\u306a\u304f\u3001\u901a\u4fe1\u306e\u54c1\u8cea\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306e\u9ad8\u5ea6\u306a\u300c\u901a\u4fe1\u7ba1\u7406\u88c5\u7f6e\u300d<\/strong>\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u5185\u5305\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002TCP\u306e\u4fe1\u983c\u6027\u306f\u30bf\u30c0\u3067\u306f\u306a\u304f\u3001OS\u304c\u30bd\u30b1\u30c3\u30c8\u3054\u3068\u306b\u6d88\u8cbb\u3059\u308bCPU\u6642\u9593\u3084\u30e1\u30e2\u30ea\u3068\u3044\u3046\u300c\u30b3\u30b9\u30c8\u300d\u306b\u3088\u3063\u3066\u652f\u3048\u3089\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

            \u30bd\u30b1\u30c3\u30c8\u3068TCP\/IP\u30d8\u30c3\u30c0\u306e\u9055\u3044\uff5cOS\u306e\u7ba1\u7406\u60c5\u5831\u3068\u30d1\u30b1\u30c3\u30c8\u306e\u5236\u5fa1\u60c5\u5831<\/h2>\n

            \u30bd\u30b1\u30c3\u30c8\u306e\u5f79\u5272\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u4e0a\u3067\u3001\u3057\u3070\u3057\u3070\u6df7\u540c\u3055\u308c\u304c\u3061\u306a\u300c\u30d8\u30c3\u30c0\u300d\u3068\u306e\u9055\u3044\u3092\u660e\u78ba\u306b\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3069\u3061\u3089\u3082\u901a\u4fe1\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u3067\u3059\u304c\u3001\u305d\u306e\u5f79\u5272\u3068\u5b58\u5728\u3059\u308b\u5834\u6240\u304c\u5168\u304f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n

            \u4e21\u8005\u306e\u9055\u3044\u3092\u3001\u69cb\u6210\u6848\u306b\u3082\u3042\u3063\u305f\u300c\u90f5\u4fbf\u300d\u306e\u4f8b\u3048\u3067\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

              \n
            • \u30bd\u30b1\u30c3\u30c8<\/strong>: \u90f5\u4fbf\u5c40\u306e\u300c\u7a93\u53e3<\/strong>\u300d\u3067\u3059\u3002\u624b\u7d19\uff08\u30c7\u30fc\u30bf\uff09\u306e\u53d7\u4ed8\u3001\u914d\u9054\u72b6\u6cc1\u306e\u8ffd\u8de1\u3001\u518d\u9001\u624b\u7d9a\u304d\u306a\u3069\u3001\u4e00\u9023\u306e\u9001\u9054\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u3092\u7ba1\u7406\u3059\u308bOS\u306e\u6a5f\u80fd\u30fb\u4ed5\u7d44\u307f\u3092\u6307\u3057\u307e\u3059\u3002<\/li>\n
            • \u30d8\u30c3\u30c0<\/strong>: \u624b\u7d19\u3092\u5165\u308c\u305f\u300c\u5c01\u7b52\u306b\u66f8\u304b\u308c\u305f\u5b9b\u540d\u3084\u5dee\u51fa\u4eba<\/strong>\u300d\u3067\u3059\u3002IP\u30d8\u30c3\u30c0\u306b\u306f\u5c4a\u3051\u5148\u306e\u4f4f\u6240\uff08IP\u30a2\u30c9\u30ec\u30b9\uff09\u3001TCP\u30d8\u30c3\u30c0\u306b\u306f\u90e8\u5c4b\u756a\u53f7\uff08\u30dd\u30fc\u30c8\u756a\u53f7\uff09\u3084\u30c7\u30fc\u30bf\u306e\u9806\u756a\uff08\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\uff09\u3068\u3044\u3063\u305f\u3001\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306b\u4ed8\u968f\u3059\u308b\u5236\u5fa1\u60c5\u5831\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n

              \u90f5\u4fbf\u5c40\u306e\u7a93\u53e3\uff08\u30bd\u30b1\u30c3\u30c8\uff09\u306f\u3001\u3042\u306a\u305f\u304c\u624b\u7d19\u3092\u51fa\u3057\u306b\u884c\u304f\u5834\u6240\u3067\u3042\u308a\u3001\u5b9f\u4f53\u3068\u3057\u3066\u5b58\u5728\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u5c01\u7b52\u306e\u5b9b\u540d\uff08\u30d8\u30c3\u30c0\uff09\u306f\u3001\u624b\u7d19\u3068\u3044\u3046\u30c7\u30fc\u30bf\u306e\u4e00\u90e8\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30eb\u30fc\u30bf\uff08\u914d\u9054\u54e1\uff09\u306f\u3001\u3053\u306e\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u898b\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u6b63\u3057\u3044\u5b9b\u5148\u3078\u3068\u4e2d\u7d99\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

              \u3053\u306e\u9055\u3044\u3092\u6280\u8853\u7684\u306a\u89b3\u70b9\u304b\u3089\u8868\u306b\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n
              \u9805\u76ee<\/th>\n\u30bd\u30b1\u30c3\u30c8<\/th>\n\u30d8\u30c3\u30c0 (TCP\/IP\u30d8\u30c3\u30c0)<\/th>\n<\/tr>\n<\/thead>\n
              \u5b9f\u4f53<\/strong><\/td>\nOS\u304c\u30e1\u30e2\u30ea\u4e0a\u306b\u78ba\u4fdd\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\uff08TCB\u306a\u3069\uff09<\/td>\n\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u6d41\u308c\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u5148\u982d\u306b\u4ed8\u52a0\u3055\u308c\u308b\u30d3\u30c3\u30c8\u5217<\/td>\n<\/tr>\n
              \u5b58\u5728\u3059\u308b\u5834\u6240<\/strong><\/td>\n\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306eOS\u30ab\u30fc\u30cd\u30eb\u5185<\/td>\n\u500b\u3005\u306e\u901a\u4fe1\u30d1\u30b1\u30c3\u30c8\u306e\u5185\u90e8<\/td>\n<\/tr>\n
              \u4e3b\u306a\u5f79\u5272<\/strong><\/td>\n\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068OS\u9593\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u901a\u4fe1\u72b6\u614b\u306e\u7ba1\u7406<\/td>\n\u30d1\u30b1\u30c3\u30c8\u306e\u5b9b\u5148\u6307\u5b9a\u3001\u9806\u5e8f\u5236\u5fa1\u3001\u8aa4\u308a\u691c\u51fa<\/td>\n<\/tr>\n
              \u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/strong><\/td>\n\u901a\u4fe1\u306e\u958b\u59cb\u304b\u3089\u7d42\u4e86\u307e\u3067\u7d99\u7d9a\u7684\u306b\u5b58\u5728\u3059\u308b<\/td>\n\u30d1\u30b1\u30c3\u30c8\u3054\u3068\u306b\u751f\u6210\u30fb\u7834\u68c4\u3055\u308c\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u30bd\u30b1\u30c3\u30c8\u306b\u66f8\u304d\u8fbc\u3080\u3068\u3001OS\u5185\u306eTCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30b9\u30bf\u30c3\u30af\u304c\u305d\u306e\u30c7\u30fc\u30bf\u306bTCP\u30d8\u30c3\u30c0\u3084IP\u30d8\u30c3\u30c0\u3092\u4ed8\u3051\u3066\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9001\u308a\u51fa\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30bd\u30b1\u30c3\u30c8\u306f\u30d8\u30c3\u30c0\u60c5\u5831\u3092\u751f\u6210\u30fb\u89e3\u91c8\u3059\u308b\u305f\u3081\u306e\u300c\u4ed5\u7d44\u307f\u300d<\/strong>\u3067\u3042\u308a\u3001\u30d8\u30c3\u30c0\u306f\u305d\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u30d1\u30b1\u30c3\u30c8\u306b\u523b\u5370\u3055\u308c\u308b\u300c\u60c5\u5831\u300d<\/strong>\u306a\u306e\u3067\u3059\u3002\u3053\u306e\u660e\u78ba\u306a\u5f79\u5272\u5206\u62c5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u304a\u3044\u3066\u3082\u975e\u5e38\u306b\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

              \u30b5\u30fc\u30d0\u306e\u30bd\u30b1\u30c3\u30c8\u4e0a\u9650\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\uff5cfile-max\u30fbulimit\u306b\u3088\u308b\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u5165\u9580<\/h2>\n

              TCP\u30bd\u30b1\u30c3\u30c8\u304c1\u3064\u3042\u305f\u308a\u6570\u5341\u301c\u6570\u767eKB\u306e\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u3001\u7279\u306b\u591a\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u540c\u6642\u63a5\u7d9a\u3092\u51e6\u7406\u3059\u308b\u30b5\u30fc\u30d0\u306b\u304a\u3044\u3066\u3001\u6975\u3081\u3066\u91cd\u8981\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002\u3082\u3057\u7121\u5236\u9650\u306b\u30bd\u30b1\u30c3\u30c8\u306e\u751f\u6210\u3092\u8a31\u53ef\u3059\u308c\u3070\u3001\u30b5\u30fc\u30d0\u306f\u3042\u3063\u3068\u3044\u3046\u9593\u306b\u30e1\u30e2\u30ea\u3092\u4f7f\u3044\u679c\u305f\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u30c0\u30a6\u30f3\u306b\u81f3\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u3092\u9632\u3050\u305f\u3081\u3001Linux\u306a\u3069\u306eOS\u3067\u306f\u30bd\u30b1\u30c3\u30c8\u6570\uff08\u3088\u308a\u6b63\u78ba\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u6570\uff09\u306b\u4e0a\u9650\u304c\u8a2d\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

              \u30b5\u30fc\u30d0\u306b\u304a\u3051\u308b\u30bd\u30b1\u30c3\u30c8\u6570\u306e\u7ba1\u7406\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u300cOS\u30ec\u30d9\u30eb\u300d\u3068\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u300d\u306e2\u968e\u5c64\u3067\u884c\u308f\u308c\u307e\u3059\u3002<\/p>\n

              OS\u30ec\u30d9\u30eb\u3067\u306e\u4e0a\u9650\u8a2d\u5b9a<\/h3>\n

              OS\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3068\u30d7\u30ed\u30bb\u30b9\u5358\u4f4d\u3067\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u4e0a\u9650\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u30bd\u30b1\u30c3\u30c8\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u7a2e\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u5236\u9650\u304c\u76f4\u63a5\u7684\u306a\u4e0a\u9650\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

                \n
              • \/proc\/sys\/fs\/file-max<\/strong><\/code>: \u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3067\u540c\u6642\u306b\u30aa\u30fc\u30d7\u30f3\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u7dcf\u6570\u3002OS\u5168\u4f53\u306e\u5927\u5143\u306e\u4e0a\u9650\u5024\u3067\u3059\u3002<\/li>\n
              • ulimit -n<\/strong><\/code>: \u30e6\u30fc\u30b6\u30fc\u307e\u305f\u306f\u30d7\u30ed\u30bb\u30b9\u3054\u3068\u306b\u540c\u6642\u306b\u30aa\u30fc\u30d7\u30f3\u3067\u304d\u308b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u6570\u3002Web\u30b5\u30fc\u30d0\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3053\u306e\u5236\u9650\u4e0b\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u5b9f\u8cea\u7684\u306b\u6700\u3082\u5f71\u97ff\u306e\u3042\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002<\/li>\n<\/ul>\n

                \u4f8b\u3048\u3070\u3001ulimit -n<\/code>\u304c1024<\/code>\uff08\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff09\u306e\u5834\u5408\u3001\u305d\u306e\u30e6\u30fc\u30b6\u304c\u8d77\u52d5\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3068\u30bd\u30b1\u30c3\u30c8\u3092\u5408\u308f\u305b\u30661024\u500b\u307e\u3067\u3057\u304b\u540c\u6642\u306b\u30aa\u30fc\u30d7\u30f3\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

                \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3067\u306e\u4e0a\u9650\u8a2d\u5b9a<\/h3>\n

                OS\u306e\u4e0a\u9650\u5024\u306b\u52a0\u3048\u3066\u3001Nginx\u3084Apache\u3068\u3044\u3063\u305f\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u81ea\u8eab\u3082\u3001\u6027\u80fd\u3068\u5b89\u5b9a\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306b\u540c\u6642\u63a5\u7d9a\u6570\uff08\uff1d\u30bd\u30b1\u30c3\u30c8\u6570\uff09\u3092\u5236\u5fa1\u3059\u308b\u8a2d\u5b9a\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

                  \n
                • Nginx<\/strong>: worker_connections<\/code> \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u30011\u3064\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30ed\u30bb\u30b9\u304c\u540c\u6642\u306b\u51e6\u7406\u3067\u304d\u308b\u63a5\u7d9a\u6570\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n
                • Apache<\/strong>: MaxRequestWorkers<\/code> (\u65e7 MaxClients<\/code>) \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3067\u3001\u540c\u6642\u306b\u51e6\u7406\u3067\u304d\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6700\u5927\u6570\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n

                  \u3053\u308c\u3089\u306e\u8a2d\u5b9a\u5024\u306f\u3001\u5fc5\u305aOS\u306eulimit -n<\/code>\u306e\u5024\u4ee5\u4e0b\u3067\u306a\u3051\u308c\u3070\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u5927\u898f\u6a21\u306a\u30b5\u30fc\u30d3\u30b9\u3092\u904b\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u307e\u305aulimit<\/code>\u306e\u5024\u3092\u5f15\u304d\u4e0a\u3052\u3001\u305d\u306e\u4e0a\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8abf\u6574\u3059\u308b\u3068\u3044\u3046\u624b\u9806\u3092\u8e0f\u3080\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n

                  \u9ad8\u8ca0\u8377\u74b0\u5883\u3067\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/h3>\n

                  \u540c\u6642\u63a5\u7d9a\u6570\u304c\u6570\u4e07\u3092\u8d85\u3048\u308b\u3088\u3046\u306a\u9ad8\u8ca0\u8377\u74b0\u5883\u3067\u306f\u3001\u5358\u306b\u4e0a\u9650\u5024\u3092\u5f15\u304d\u4e0a\u3052\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u3088\u308a\u5c11\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u3067\u52b9\u7387\u7684\u306b\u591a\u6570\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u6271\u3046\u305f\u3081\u306e\u3001\u975e\u540c\u671fI\/O\uff08epoll, kqueue\u306a\u3069\uff09<\/strong>\u3084\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3067\u4f7f\u308f\u308c\u308b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30ea\u30f3\u30b0<\/strong>\u3068\u3044\u3063\u305f\u9ad8\u5ea6\u306a\u6280\u8853\u304c\u4e0d\u53ef\u6b20\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30bd\u30b1\u30c3\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u6d88\u8cbb\u3068\u3044\u3046\u6839\u672c\u7684\u306a\u8ab2\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3059\u3002<\/p>\n

                  \u30bd\u30b1\u30c3\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306f\u3001\u30b5\u30fc\u30d0\u306e\u5b89\u5b9a\u7a3c\u50cd\u3092\u652f\u3048\u308b\u6839\u5e79\u6280\u8853\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u305d\u306e\u80cc\u666f\u306b\u3042\u308b\u30bd\u30b1\u30c3\u30c8\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u9069\u5207\u306a\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3078\u306e\u7b2c\u4e00\u6b69\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

                  \u30bd\u30b1\u30c3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\uff5cbind\u304b\u3089accept\u3092\u7d4c\u3066TIME_WAIT\u306b\u81f3\u308b\u307e\u3067<\/h2>\n

                  \u30bd\u30b1\u30c3\u30c8\u306f\u3001\u901a\u4fe1\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u751f\u307e\u308c\u3001\u5f79\u76ee\u3092\u7d42\u3048\u308b\u3068\u6d88\u3048\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u4e00\u9023\u306e\u6d41\u308c\uff08\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\uff09\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u7279\u306b\u30b5\u30fc\u30d0\u5074\u306e\u8996\u70b9\u3067\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u3092\u8ffd\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

                  \u30b5\u30fc\u30d0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u3092\u5f85\u3061\u53d7\u3051\u3001\u63a5\u7d9a\u304c\u3042\u308b\u305f\u3073\u306b\u5b9f\u969b\u306e\u901a\u4fe1\u3092\u884c\u3046\u3068\u3044\u3046\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30b5\u30fc\u30d0\u5074\u3067\u306f\u5f79\u5272\u306e\u7570\u306a\u308b2\u7a2e\u985e\u306e\u30bd\u30b1\u30c3\u30c8\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n

                    \n
                  • \u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8<\/strong>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u8981\u6c42\u3092\u5f85\u3061\u53d7\u3051\u308b\u5c02\u9580\u306e\u30bd\u30b1\u30c3\u30c8\u3002\u300c\u672c\u5e97\u306e\u7dcf\u5408\u53d7\u4ed8\u7a93\u53e3\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/li>\n
                  • \u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8<\/strong>: \u5b9f\u969b\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u30bd\u30b1\u30c3\u30c8\u3002\u63a5\u7d9a\u8981\u6c42\u304c\u3042\u308b\u305f\u3073\u306b\u65b0\u3057\u304f\u4f5c\u3089\u308c\u308b\u300c\u500b\u5225\u306e\u62c5\u5f53\u8005\u7a93\u53e3\u300d\u3067\u3059\u3002<\/li>\n<\/ul>\n

                    \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a\u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8\u304c1\u3064\u3042\u308a\u3001\u8907\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u63a5\u7d9a\u3057\u3066\u304f\u308b\u305f\u3073\u306b\u3001\u305d\u308c\u305e\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u304c\u751f\u6210\u3055\u308c\u3066\u3044\u304f\u30a4\u30e1\u30fc\u30b8\u56f3\uff09<\/p>\n

                    \u30b5\u30fc\u30d0\u5074\u30bd\u30b1\u30c3\u30c8\u306e\u5178\u578b\u7684\u306a\u6d41\u308c<\/h3>\n

                    \u30b5\u30fc\u30d0\u5074\u306e\u30bd\u30b1\u30c3\u30c8\u306f\u3001\u4ee5\u4e0b\u306e\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\uff08API\uff09\u306b\u3088\u3063\u3066\u72b6\u614b\u304c\u9077\u79fb\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

                      \n
                    1. socket()<\/strong><\/code>: \u307e\u305a\u3001\u30bd\u30b1\u30c3\u30c8\u3068\u3044\u3046\u540d\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092OS\u30ab\u30fc\u30cd\u30eb\u5185\u306b\u4f5c\u6210\u3057\u307e\u3059\u3002\u307e\u3060\u4f4f\u6240\u3082\u5f79\u5272\u3082\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u3001\u66f4\u5730\u306e\u72b6\u614b\u3067\u3059\u3002<\/li>\n
                    2. bind()<\/strong><\/code>: \u4f5c\u6210\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u306b\u3001\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u756a\u53f7\uff08\u4f8b: 0.0.0.0:443<\/code>\uff09\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u3053\u308c\u3067\u3001\u901a\u4fe1\u306e\u300c\u4f4f\u6240\u300d\u304c\u78ba\u5b9a\u3057\u307e\u3059\u3002<\/li>\n
                    3. listen()<\/strong><\/code>: \u30bd\u30b1\u30c3\u30c8\u3092\u300c\u5f85\u3061\u53d7\u3051\u72b6\u614b\u300d\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u77ac\u9593\u304b\u3089\u3001\u3053\u306e\u30bd\u30b1\u30c3\u30c8\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u63a5\u7d9a\u8981\u6c42\uff08SYN\u30d1\u30b1\u30c3\u30c8\uff09\u3092\u53d7\u3051\u4ed8\u3051\u3089\u308c\u308b\u300c\u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n
                    4. accept()<\/strong><\/code>: \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u63a5\u7d9a\u8981\u6c42\u304c\u6765\u308b\u3068\u3001accept()<\/code>\u306f\u305d\u308c\u3092\u53d7\u3051\u5165\u308c\u3001\u901a\u4fe1\u5c02\u7528\u306e\u65b0\u3057\u3044\u30bd\u30b1\u30c3\u30c8\u3092\u751f\u6210<\/strong>\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u65b0\u3057\u304f\u751f\u307e\u308c\u305f\u30bd\u30b1\u30c3\u30c8\u304c\u300c\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u300d\u3067\u3059\u3002\u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8\u306f\u3001\u307e\u305f\u6b21\u306e\u63a5\u7d9a\u8981\u6c42\u3092\u5f85\u3064\u305f\u3081\u306b\u5f85\u6a5f\u3057\u7d9a\u3051\u307e\u3059\u3002<\/li>\n
                    5. read() \/ write() (recv \/ send)<\/strong><\/code>: \u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e\u9593\u3067\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/li>\n
                    6. close()<\/strong><\/code>: \u901a\u4fe1\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u3092\u9589\u3058\u307e\u3059\u3002<\/li>\n<\/ol>\n

                      \u3053\u306eaccept()<\/code>\u304c\u65b0\u3057\u3044\u30bd\u30b1\u30c3\u30c8\u3092\u751f\u307f\u51fa\u3059\u4ed5\u7d44\u307f\u3053\u305d\u304c\u30011\u3064\u306e\u30b5\u30fc\u30d0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u591a\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u540c\u6642\u306b\u634c\u3051\u308b\u7406\u7531\u3067\u3059\u3002<\/p>\n

                      \u901a\u4fe1\u7d42\u4e86\u5f8c\u306eTIME_WAIT\u72b6\u614b<\/h3>\n

                      TCP\u901a\u4fe1\u3067\u306f\u3001close()<\/code>\u3092\u547c\u3073\u51fa\u3057\u3066\u3082\u30bd\u30b1\u30c3\u30c8\u306f\u3059\u3050\u306b\u306f\u6d88\u6ec5\u3057\u307e\u305b\u3093\u3002\u591a\u304f\u306e\u5834\u5408\u3001\u300cTIME_WAIT<\/code>\u300d\u3068\u3044\u3046\u72b6\u614b\u306b\u79fb\u884c\u3057\u3001\u6570\u5206\u9593\u30ea\u30bd\u30fc\u30b9\u3092\u4fdd\u6301\u3057\u7d9a\u3051\u307e\u3059\u3002\u3053\u308c\u306fTCP\u306e\u4fe1\u983c\u6027\u3092\u62c5\u4fdd\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n

                        \n
                      • \u9045\u5ef6\u30d1\u30b1\u30c3\u30c8\u306e\u885d\u7a81\u9632\u6b62<\/strong>: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9045\u5ef6\u306b\u3088\u3063\u3066\u3001\u5207\u65ad\u3057\u305f\u306f\u305a\u306e\u53e4\u3044\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u5f8c\u304b\u3089\u5c4a\u304f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u540c\u3058\u30dd\u30fc\u30c8\u756a\u53f7\u3067\u65b0\u3057\u3044\u63a5\u7d9a\u304c\u3059\u3050\u306b\u59cb\u307e\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u3053\u306e\u53e4\u3044\u30d1\u30b1\u30c3\u30c8\u3092\u65b0\u3057\u3044\u63a5\u7d9a\u304c\u8aa4\u3063\u3066\u53d7\u4fe1\u3057\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002TIME_WAIT<\/code>\u306f\u3001\u305d\u3046\u3057\u305f\u8ff7\u5b50\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u6d88\u6ec5\u3059\u308b\u306e\u3092\u5f85\u3064\u305f\u3081\u306e\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u671f\u9593\u3067\u3059\u3002<\/li>\n
                      • \u78ba\u5b9f\u306a\u63a5\u7d9a\u5207\u65ad<\/strong>: \u81ea\u5206\u304c\u9001\u3063\u305fFIN\u306b\u5bfe\u3059\u308b\u6700\u5f8c\u306eACK\u304c\u76f8\u624b\u306b\u5c4a\u3044\u305f\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3082\u3057ACK\u304c\u9014\u4e2d\u3067\u6d88\u3048\u3066\u3057\u307e\u3046\u3068\u3001\u76f8\u624b\u306fFIN\u3092\u518d\u9001\u3057\u3066\u304d\u307e\u3059\u3002TIME_WAIT<\/code>\u72b6\u614b\u3067\u3042\u308c\u3070\u3001\u305d\u306e\u518d\u9001FIN\u306b\u5bfe\u3057\u3066\u518d\u5ea6ACK\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n

                        \u305f\u3060\u3057\u3001\u3053\u306eTIME_WAIT<\/code>\u72b6\u614b\u306e\u30bd\u30b1\u30c3\u30c8\u3082\u30dd\u30fc\u30c8\u756a\u53f7\u306a\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5360\u6709\u3059\u308b\u305f\u3081\u3001\u975e\u5e38\u306b\u77ed\u3044\u6642\u9593\u3067\u5927\u91cf\u306e\u63a5\u7d9a\u3068\u5207\u65ad\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u30b5\u30fc\u30d0\u3067\u306f\u3001\u5229\u7528\u53ef\u80fd\u306a\u30dd\u30fc\u30c8\u3092\u4f7f\u3044\u679c\u305f\u3057\u3066\u3057\u307e\u3046\u300c\u30dd\u30fc\u30c8\u67af\u6e07\u300d\u554f\u984c\u306e\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n

                        \u30bd\u30b1\u30c3\u30c8\u306e\u5f79\u5272\u306fAPI\u63d0\u4f9b\uff5c\u30c7\u30fc\u30bf\u52a0\u5de5\u306fTCP\/IP\u30b9\u30bf\u30c3\u30af\u306e\u4ed5\u4e8b<\/h2>\n

                        \u3053\u3053\u307e\u3067\u3001\u30bd\u30b1\u30c3\u30c8\u304c\u901a\u4fe1\u72b6\u614b\u306e\u7ba1\u7406\u3084\u4fe1\u983c\u6027\u306e\u62c5\u4fdd\u306b\u6df1\u304f\u95a2\u308f\u3063\u3066\u3044\u308b\u3068\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3053\u3053\u3067\u4e00\u3064\u91cd\u8981\u306a\u5f79\u5272\u5206\u62c5\u3092\u660e\u78ba\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u5b9f\u306f\u3001\u30bd\u30b1\u30c3\u30c8\u81ea\u8eab\u304c\u30c7\u30fc\u30bf\u3092\u52a0\u5de5\u3057\u305f\u308a\u3001\u518d\u9001\u5236\u5fa1\u3092\u884c\u3063\u305f\u308a\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

                        \u30c7\u30fc\u30bf\u306e\u52a0\u5de5\u3001\u3059\u306a\u308f\u3061\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8907\u96d1\u306a\u51e6\u7406\u306e\u5b9f\u884c\u4e3b\u4f53\u306f\u3001OS\u30ab\u30fc\u30cd\u30eb\u306b\u5b9f\u88c5\u3055\u308c\u305fTCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30b9\u30bf\u30c3\u30af<\/strong>\u3067\u3059\u3002<\/p>\n

                          \n
                        • \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf\u306e\u5206\u5272\uff08\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff09<\/li>\n
                        • TCP\u30d8\u30c3\u30c0\u3084IP\u30d8\u30c3\u30c0\u306e\u4ed8\u52a0\uff08\u30ab\u30d7\u30bb\u30eb\u5316\uff09<\/li>\n
                        • \u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3084ACK\u756a\u53f7\u306e\u7ba1\u7406<\/li>\n
                        • \u518d\u9001\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u6c7a\u5b9a\u3068\u5b9f\u884c<\/li>\n
                        • \u30a6\u30a3\u30f3\u30c9\u30a6\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u304f\u30d5\u30ed\u30fc\u5236\u5fa1<\/li>\n<\/ul>\n

                          \u3067\u306f\u3001\u30bd\u30b1\u30c3\u30c8\u306e\u771f\u306e\u5f79\u5272\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f \u305d\u308c\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u3053\u306eTCP\/IP\u30b9\u30bf\u30c3\u30af\u306e\u6a5f\u80fd\u3092\u5b89\u5168\u304b\u3064\u5bb9\u6613\u306b\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u300c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08API\uff09\u300d\u3092\u63d0\u4f9b\u3059\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p>\n

                          \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a\u3010\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3011 \u21d4 \u3010\u30bd\u30b1\u30c3\u30c8API (send\/recv)\u3011 \u21d4 \u3010OS\u30ab\u30fc\u30cd\u30eb: TCP\/IP\u30b9\u30bf\u30c3\u30af\u3011 \u21d4 \u3010NIC\u3011\u3068\u3044\u3046\u968e\u5c64\u7684\u306a\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u793a\u3059\u56f3\uff09<\/p>\n

                          \u3053\u3053\u3067\u3082\u300c\u90f5\u4fbf\u7a93\u53e3\u300d\u306e\u4f8b\u3048\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

                            \n
                          • \u3042\u306a\u305f\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09<\/strong>: \u5c4a\u3051\u305f\u3044\u624b\u7d19\uff08\u30c7\u30fc\u30bf\uff09\u3092\u66f8\u304d\u307e\u3059\u3002<\/li>\n
                          • \u90f5\u4fbf\u7a93\u53e3\uff08\u30bd\u30b1\u30c3\u30c8\uff09<\/strong>: \u3042\u306a\u305f\u304b\u3089\u624b\u7d19\u3092\u53d7\u3051\u4ed8\u3051\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002send()<\/code>\u3092\u547c\u3076\u3053\u3068\u306f\u3001\u7a93\u53e3\u306b\u624b\u7d19\u3092\u5dee\u3057\u51fa\u3059\u884c\u70ba\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/li>\n
                          • \u90f5\u4fbf\u5c40\u306e\u5185\u90e8\u8077\u54e1\uff08TCP\/IP\u30b9\u30bf\u30c3\u30af\uff09<\/strong>: \u7a93\u53e3\u306e\u5965\u3067\u3001\u53d7\u3051\u53d6\u3063\u305f\u624b\u7d19\u306b\u6d88\u5370\u3092\u62bc\u3057\u3001\u4ed5\u5206\u3051\u3057\u3001\u8f38\u9001\u30c8\u30e9\u30c3\u30af\u306b\u4e57\u305b\u308b\u306a\u3069\u3001\u5b9f\u969b\u306e\u914d\u9001\u696d\u52d9\u3092\u884c\u3044\u307e\u3059\u3002\u3042\u306a\u305f\u306f\u3053\u306e\u5185\u90e8\u51e6\u7406\u306e\u8a73\u7d30\u3092\u77e5\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n

                            \u3053\u306e\u3088\u3046\u306b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u8005\u306fTCP\/IP\u306e\u8907\u96d1\u306a\u5185\u90e8\u52d5\u4f5c\u3092\u5168\u3066\u7406\u89e3\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u300c\u30bd\u30b1\u30c3\u30c8\u300d\u3068\u3044\u3046\u304a\u4f5c\u6cd5\u306b\u306e\u3063\u3068\u3063\u3066OS\u306b\u30c7\u30fc\u30bf\u53d7\u3051\u6e21\u3057\u3092\u4f9d\u983c\u3059\u308b\u3060\u3051\u3067\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8cac\u52d9\u306e\u5206\u96e2\u3053\u305d\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u73fe\u5b9f\u7684\u306a\u3082\u306e\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n

                            \u3057\u305f\u304c\u3063\u3066\u3001\u300c\u30bd\u30b1\u30c3\u30c8\u306f\u901a\u4fe1\u306e\u5165\u53e3\u300d\u3068\u3044\u3046\u6700\u521d\u306e\u8aac\u660e\u306f\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f\u300c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cOS\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u306b\u5165\u308b\u305f\u3081\u306e\u5165\u53e3\uff08API\uff09\u300d<\/strong>\u3068\u7406\u89e3\u3059\u308b\u306e\u304c\u672c\u8cea\u306b\u8fd1\u3044\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u300c\u7a93\u53e3\u300d\u305d\u306e\u3082\u306e\u3068\u3001\u7a93\u53e3\u306e\u5965\u3067\u884c\u308f\u308c\u3066\u3044\u308b\u300c\u5185\u90e8\u696d\u52d9\u300d\u3092\u6df7\u540c\u3057\u306a\u3044\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n

                            \u307e\u3068\u3081\uff1a\u30bd\u30b1\u30c3\u30c8\u3068\u306fOS\u5185\u90e8\u306e\u72b6\u614b\u3092\u6301\u3064\u901a\u4fe1\u7ba1\u7406\u88c5\u7f6e\u3067\u3042\u308b<\/h2>\n

                            \u672c\u8a18\u4e8b\u3067\u306f\u3001\u300c\u901a\u4fe1\u306e\u5165\u53e3\u300d\u3068\u3044\u3046\u30b7\u30f3\u30d7\u30eb\u306a\u8a00\u8449\u306e\u88cf\u306b\u96a0\u3055\u308c\u305f\u30bd\u30b1\u30c3\u30c8\u306e\u6b63\u4f53\u306b\u3064\u3044\u3066\u3001OS\u306e\u5185\u90e8\u69cb\u9020\u3084TCP\/IP\u306e\u4ed5\u7d44\u307f\u3068\u95a2\u9023\u4ed8\u3051\u306a\u304c\u3089\u591a\u89d2\u7684\u306b\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n

                            \u6700\u5f8c\u306b\u3001\u3053\u306e\u8a18\u4e8b\u306e\u8981\u70b9\u3092\u632f\u308a\u8fd4\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n

                              \n
                            • \n \u30bd\u30b1\u30c3\u30c8\u306f\u4e8c\u3064\u306e\u9854\u3092\u6301\u3064<\/strong><\/p>\n

                              \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u4f7f\u3046\u305f\u3081\u306e\u4fbf\u5229\u306a\u300cAPI\u306e\u7a93\u53e3\uff08\u30cf\u30f3\u30c9\u30eb\uff09\u300d\u3067\u3059\u304c\u3001OS\u5185\u90e8\u3067\u306fTCP\u306e\u4fe1\u983c\u6027\u3092\u62c5\u4fdd\u3059\u308b\u305f\u3081\u306e\u72b6\u614b\uff08TCB\uff09\u3084\u30d0\u30c3\u30d5\u30a1\u3092\u6301\u3064\u3001\u5177\u4f53\u7684\u306a\u300c\u30c7\u30fc\u30bf\u69cb\u9020\u300d\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<\/li>\n

                            • \n \u4fe1\u983c\u6027\u306b\u306f\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b<\/strong><\/p>\n

                              TCP\u30bd\u30b1\u30c3\u30c8\u304c\u30e1\u30e2\u30ea\u306a\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u306e\u306f\u3001\u9806\u5e8f\u4fdd\u8a3c\u3084\u518d\u9001\u5236\u5fa1\u3068\u3044\u3063\u305f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u300c\u7ba1\u7406\u30b3\u30b9\u30c8\u300d\u3067\u3059\u30021\u3064\u306e\u901a\u4fe1\u306b\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u53cc\u65b9\u306b\u30bd\u30b1\u30c3\u30c8\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n

                            • \n \u30b5\u30fc\u30d0\u8a2d\u8a08\u306e\u52d8\u6240<\/strong><\/p>\n

                              \u30bd\u30b1\u30c3\u30c8\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u3001\u30b5\u30fc\u30d0\u304c\u51e6\u7406\u3067\u304d\u308b\u540c\u6642\u63a5\u7d9a\u6570\u306b\u7269\u7406\u7684\u306a\u4e0a\u9650\u304c\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002ulimit<\/code>\u5024\u306e\u8abf\u6574\u3084\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306e\u63a5\u7d9a\u6570\u8a2d\u5b9a\u306f\u3001\u3053\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306b\u4ed6\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/li>\n

                            • \n \u30bd\u30b1\u30c3\u30c8\u306f\u300c\u7a93\u53e3\u300d\u3001\u4ed5\u4e8b\u4eba\u306f\u300cTCP\/IP\u30b9\u30bf\u30c3\u30af\u300d<\/strong><\/p>\n

                              \u30d8\u30c3\u30c0\u306e\u4ed8\u52a0\u3084\u30c7\u30fc\u30bf\u306e\u5206\u5272\u3068\u3044\u3063\u305f\u5b9f\u52d9\u306fOS\u306eTCP\/IP\u30b9\u30bf\u30c3\u30af\u304c\u62c5\u5f53\u3057\u3001\u30bd\u30b1\u30c3\u30c8\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30b9\u30bf\u30c3\u30af\u3092\u7e4b\u3050\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u3057\u3066\u306e\u5f79\u5272\u306b\u5fb9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n

                              \u300c\u30bd\u30b1\u30c3\u30c8\uff1d\u901a\u4fe1\u306e\u5165\u53e3\u300d\u3068\u3044\u3046\u8a00\u8449\u306f\u9593\u9055\u3044\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u5165\u53e3\u304c\u3001\u5b9f\u306f\u72b6\u614b\u3092\u4fdd\u6301\u3057\u7d9a\u3051\u308b\u9ad8\u6a5f\u80fd\u306a\u7ba1\u7406\u88c5\u7f6e\u3067\u3082\u3042\u308b\u3068\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u3084\u30b5\u30fc\u30d0\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u8b70\u8ad6\u306e\u89e3\u50cf\u5ea6\u304c\u683c\u6bb5\u306b\u4e0a\u304c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n

                              \u7279\u306b\u3001\u5fdc\u7528\u60c5\u5831\u6280\u8853\u8005\u8a66\u9a13\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u3067\u554f\u308f\u308c\u308bTCP\/IP\u306e\u6df1\u3044\u77e5\u8b58\u306f\u3001\u307e\u3055\u306b\u3053\u306e\u30bd\u30b1\u30c3\u30c8\u3068\u3044\u3046OS\u306e\u4ed5\u7d44\u307f\u306e\u7406\u89e3\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u304c\u3001\u305d\u306e\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n

                              \u56f3\u89e3\u3067\u7dcf\u5fa9\u7fd2\uff1a\u30bd\u30b1\u30c3\u30c8\u306e\u4ed5\u7d44\u307f\u3068\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/h2>\n

                              \u6700\u5f8c\u306b\u3001\u672c\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u30bd\u30b1\u30c3\u30c8\u306e\u6982\u5ff5\u30924\u3064\u306e\u56f3\u3067\u307e\u3068\u3081\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u56f3\u306f\u3001\u30bd\u30b1\u30c3\u30c8\u304c\u3069\u306e\u3088\u3046\u306a\u4f4d\u7f6e\u4ed8\u3051\u3067\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u3001\u3069\u306e\u3088\u3046\u306a\u69cb\u9020\u3092\u6301\u3064\u306e\u304b\u3092\u8996\u899a\u7684\u306b\u6349\u3048\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n

                                \n
                              1. \n OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u30bd\u30b1\u30c3\u30c8\u306e\u4f4d\u7f6e\u4ed8\u3051<\/strong><\/p>\n

                                \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1aOSI\u53c2\u7167\u30e2\u30c7\u30eb\u307e\u305f\u306fTCP\/IP\u968e\u5c64\u30e2\u30c7\u30eb\u3092\u56f3\u793a\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3068\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64\u306e\u9593\u306b\u300c\u30bd\u30b1\u30c3\u30c8API\u300d\u304c\u4f4d\u7f6e\u3059\u308b\u3053\u3068\u3092\u793a\u3059\u56f3\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30bd\u30b1\u30c3\u30c8\u3092\u901a\u3058\u3066TCP\/UDP\u3092\u5229\u7528\u3059\u308b\u95a2\u4fc2\u6027\u3092\u8868\u3059\uff09<\/p>\n<\/li>\n

                              2. \n \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30fb\u30b5\u30fc\u30d0\u9593\u306e\u30bd\u30b1\u30c3\u30c8\u5bfe\u5fdc\u95a2\u4fc2<\/strong><\/p>\n

                                \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1a1\u53f0\u306e\u30b5\u30fc\u30d0\u306b\u5bfe\u3057\u3001\u8907\u6570\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u63a5\u7d9a\u3057\u3066\u3044\u308b\u56f3\u3002\u30b5\u30fc\u30d0\u5074\u306b\u306f1\u3064\u306e\u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8\u3068\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u6570\u3060\u3051\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u304c\u5b58\u5728\u3057\u3001\u5404\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30bd\u30b1\u30c3\u30c8\u30681\u5bfe1\u3067\u901a\u4fe1\u8def\u3092\u5f62\u6210\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\uff09<\/p>\n<\/li>\n

                              3. \n TCP\u30bd\u30b1\u30c3\u30c8\u306e\u5185\u90e8\u69cb\u9020<\/strong><\/p>\n

                                \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1aOS\u30ab\u30fc\u30cd\u30eb\u30e1\u30e2\u30ea\u5185\u306b\u3042\u308b1\u3064\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u6982\u5ff5\u56f3\u3002\u4e2d\u306bTCP\u5236\u5fa1\u30d6\u30ed\u30c3\u30af(TCB)\u3001\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u3001\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u3001\u95a2\u9023\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf(FD)\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u69d8\u5b50\u3092\u63cf\u304f\uff09<\/p>\n<\/li>\n

                              4. \n \u30b5\u30fc\u30d0\u5074\u30bd\u30b1\u30c3\u30c8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb<\/strong><\/p>\n

                                \uff08\u3053\u3053\u306b\u56f3\u89e3\u3092\u633f\u5165\uff1asocket()<\/code>\u304b\u3089bind()<\/code>, listen()<\/code>\u3067\u30ea\u30b9\u30cb\u30f3\u30b0\u30bd\u30b1\u30c3\u30c8\u304c\u751f\u307e\u308c\u3001accept()<\/code>\u3067\u63a5\u7d9a\u6e08\u307f\u30bd\u30b1\u30c3\u30c8\u304c\u751f\u6210\u3055\u308c\u3001close()<\/code>\u3092\u7d4c\u3066TIME_WAIT<\/code>\u72b6\u614b\u306b\u81f3\u308b\u307e\u3067\u306e\u4e00\u9023\u306e\u6d41\u308c\u3092\u793a\u3059\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u307e\u305f\u306f\u72b6\u614b\u9077\u79fb\u56f3\uff09<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                                \u300c\u30bd\u30b1\u30c3\u30c8\u306f\u901a\u4fe1\u306e\u5165\u53e3\u3067\u3059\u300d\u2015\u2015\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b66\u7fd2\u3092\u59cb\u3081\u308b\u3068\u5fc5\u305a\u51fa\u4f1a\u3046\u3053\u306e\u8aac\u660e\u3067\u3059\u304c\u3001\u300c\u5165\u53e3\u300d\u3068\u3044\u3046\u8a00\u8449\u3060\u3051\u3067\u306f\u3001\u305d\u306e\u5b9f\u614b\u306f\u306a\u304b\u306a\u304b\u3064\u304b\u3081\u307e\u305b\u3093\u3002\u306a\u305c\u30bd\u30b1\u30c3\u30c8\u306b\u306f\u4e0a\u9650\u304c\u3042\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\u306e\u3067\u3057 … <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","columnck":"","stmeta_robots":"index, follow","st_titlewords":"","st_title_extra":"","st_keywords":"","st_description":"","st_display_ad_mark":"","st_display_ad_mark_hide":"","textcopyck":"","st_copyright":"","st_copyurl":"","eyecatch_set":"","st_youtube_url":"","st_youtube_eyecatch":"","headerwidget_set":"","updatewidget_set":"","kanrenwidget_set":"","ikkatuwidget_set":"","koukoku_set":"","auto_adsense_koukoku_set":"","st_redirect":"","st_redirect_url_as_canonical":"","st_redirect_pvm_do_not_track":"","post_data_updatewidget_set":"","st_post_header_under_bg":"","st_twitter_tag":"","affinger_note":"","rankdisplayck":"","st_head_code":"","st_footer_code":"","st_post_header_under_code":"","_st_toc_override":false,"_st_toc_settings":[]},"categories":[3],"tags":[5],"class_list":["post-6152","post","type-post","status-publish","format-standard","hentry","category-ipa","tag-5"],"_links":{"self":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/6152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/comments?post=6152"}],"version-history":[{"count":0,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/posts\/6152\/revisions"}],"wp:attachment":[{"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/media?parent=6152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/categories?post=6152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sky-peace.net\/certified\/wp-json\/wp\/v2\/tags?post=6152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}