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TCP\u63a5\u7d9a\u3068UDP\u63a5\u7d9a\u306e\u4e21\u65b9\u306b\u3001Stateful\u30d1\u30b1\u30c3\u30c8\u691c\u67fb\u3067\u5e38\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 UDP\u3067\u306f\u3001\u63a5\u7d9a\u304c\u7d42\u4e86\u3057\u305f\u3068\u304d\u306b\u8a8d\u8b58\u3067\u304d\u306a\u3044\u305f\u3081\u3067\u3059\u3002 TCP\u3067\u306f\u3001\u63a5\u7d9a\u304c\u9069\u5207\u306b\u5206\u89e3\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u8d77\u3053\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002 UDP\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u901a\u5e38\u3001TCP 15\u301c60\u5206\u306720\u301c40\u79d2\u306e\u7bc4\u56f2\u3067\u3059\u3002 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120\u79d2\u3054\u3068\u306bLinux\u306e\u4e0b\u3067TCP-Keep-Alive\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002 echo 120>\/proc\/sys\/net\/ipv4\/tcp_keepalive_time \u2191   \u7279\u8a31 US5606668 \uff1a \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\u304a\u3088\u3073\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u30d5\u30ed\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u30b7\u30b9\u30c6\u30e0\u3002 \u767b\u9332 1993\u5e7412\u670815\u65e5 \u3001\u30aa\u30f3\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059 1997\u5e742\u670825\u65e5 \u3001\u767b\u9332\uff1aCheckpoint Software Technologies Ltd.\u3001Inventor\uff1aGil Shwed\u3002 \u200c       (adsbygoogle = window.adsbygoogle || 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