{"id":55249,"date":"2025-02-18T09:21:34","date_gmt":"2025-02-18T01:21:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/55249\/"},"modified":"2025-02-18T09:21:34","modified_gmt":"2025-02-18T01:21:34","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e8%ae%a8shadowsocks-libev%e7%89%88%e7%9a%84tcp-fast-open%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/55249\/","title":{"rendered":"\u6df1\u5165\u63a2\u8ba8shadowsocks-libev\u7248\u7684TCP Fast Open\u529f\u80fd"},"content":{"rendered":"

\u5728\u73b0\u4ee3\u7f51\u7edc\u73af\u5883\u4e2d\uff0cshadowsocks-libev<\/em>\u5df2\u7ecf\u6210\u4e3a\u4e86\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u7f51\u7edc\u4ee3\u7406\u5de5\u5177\uff0c\u7279\u522b\u662f\u5728\u79d1\u5b66\u4e0a\u7f51\u548c\u9690\u79c1\u4fdd\u62a4\u65b9\u9762\uff0c\u7528\u6237\u7eb7\u7eb7\u9009\u62e9\u5b83\u6765\u63d0\u5347\u7f51\u7edc\u7684\u5b89\u5168\u6027\u548c\u901f\u5ea6\u3002\u6700\u8fd1\uff0cTCP Fast Open<\/em>\uff08TFO\uff09\u529f\u80fd\u7684\u52a0\u5165\uff0c\u4f7f\u5f97shadowsocks-libev\u66f4\u52a0\u9ad8\u6548\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u8be6\u7ec6\u4ecb\u7ecdshadowsocks-libev\u7248\u7684TCP Fast Open\u529f\u80fd\uff0c\u5305\u62ec\u5176\u539f\u7406\u3001\u914d\u7f6e\u65b9\u6cd5\u53ca\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

\u4ec0\u4e48\u662fTCP Fast Open<\/h2>\n

TCP Fast Open<\/em>\u662f\u7531Google\u63d0\u51fa\u7684\u4e00\u9879\u6280\u672f\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u5728TCP\u8fde\u63a5\u4e2d\u51cf\u5c11\u5ef6\u8fdf\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5728\u5efa\u7acbTCP\u8fde\u63a5\u65f6\uff0c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u9700\u8981\u8fdb\u884c\u4e09\u6b21\u63e1\u624b\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u4e00\u5b9a\u7684\u5ef6\u8fdf\u3002\u800cTCP Fast Open\u5141\u8bb8\u5ba2\u6237\u7aef\u5728\u5efa\u7acb\u8fde\u63a5\u7684\u540c\u65f6\u53d1\u9001\u6570\u636e\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u8fd9\u6bb5\u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n

TCP Fast Open\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n
    \n
  • \u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b<\/strong>\uff1a\u5728\u6ca1\u6709TCP Fast Open\u7684\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u9700\u8981\u5148\u4e0e\u670d\u52a1\u5668\u5b8c\u6210\u4e09\u6b21\u63e1\u624b\uff0c\u624d\u80fd\u53d1\u9001\u6570\u636e\u3002<\/li>\n
  • TFO\u7684\u6539\u8fdb<\/strong>\uff1a\u542f\u7528TCP Fast Open\u540e\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5728\u7b2c\u4e00\u6b21\u63e1\u624b\u65f6\uff0c\u53d1\u9001\u6570\u636e\u5305\uff0c\u800c\u65e0\u9700\u7b49\u5230\u8fde\u63a5\u5b8c\u5168\u5efa\u7acb\u3002\u8fd9\u6837\u5c31\u51cf\u5c11\u4e86\u5ef6\u8fdf\u3002<\/li>\n
  • Cookie\u673a\u5236<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u5b89\u5168\uff0cTCP Fast Open\u4f7f\u7528\u4e86cookie\u673a\u5236\uff0c\u53ea\u6709\u7ecf\u8fc7\u8ba4\u8bc1\u7684\u5ba2\u6237\u7aef\u624d\u80fd\u53d1\u9001\u6570\u636e\u3002<\/li>\n<\/ul>\n

    shadowsocks-libev\u4e0eTCP Fast Open\u7684\u7ed3\u5408<\/h2>\n

    \u4e3a\u4ec0\u4e48\u4f7f\u7528shadowsocks-libev\u7248\u7684TCP Fast Open<\/h3>\n
      \n
    • \u63d0\u5347\u901f\u5ea6<\/strong>\uff1a\u901a\u8fc7\u51cf\u5c11\u5efa\u7acb\u8fde\u63a5\u7684\u65f6\u95f4\uff0cTCP Fast Open\u53ef\u4ee5\u663e\u8457\u63d0\u5347shadowsocks-libev\u7684\u901f\u5ea6\u3002<\/li>\n
    • \u6539\u5584\u4f53\u9a8c<\/strong>\uff1a\u5c24\u5176\u5728\u9ad8\u5ef6\u8fdf\u7f51\u7edc\u73af\u5883\u4e0b\uff0c\u7528\u6237\u80fd\u591f\u611f\u53d7\u5230\u66f4\u52a0\u6d41\u7545\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n

      shadowsocks-libev\u7248\u7684TCP Fast Open\u914d\u7f6e\u65b9\u6cd5<\/h3>\n

      \u8981\u542f\u7528TCP Fast Open\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u64cd\u4f5c\u7cfb\u7edf\u53cashadowsocks-libev\u7684\u914d\u7f6e\u652f\u6301\u6b64\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u914d\u7f6e\u6b65\u9aa4\uff1a<\/p>\n

      1. \u68c0\u67e5\u5185\u6838\u7248\u672c<\/h4>\n

      \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u60a8\u9700\u8981\u68c0\u67e5\u5185\u6838\u7248\u672c\u662f\u5426\u652f\u6301TCP Fast Open\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a bash uname -r<\/p>\n

      \u786e\u4fdd\u60a8\u7684\u5185\u6838\u7248\u672c\u4e3a3.7\u53ca\u4ee5\u4e0a\u3002<\/p>\n

      2. \u542f\u7528TCP Fast Open<\/h4>\n

      \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528TCP Fast Open\uff1a bash echo 3 > \/proc\/sys\/net\/ipv4\/tcp_fastopen<\/p>\n

      \u53ef\u4ee5\u5728\/etc\/sysctl.conf<\/code>\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff0c\u4f7f\u8bbe\u7f6e\u5728\u91cd\u542f\u540e\u751f\u6548\uff1a bash net.ipv4.tcp_fastopen=3<\/p>\n

      3. \u914d\u7f6eshadowsocks-libev<\/h4>\n

      \u5728shadowsocks-libev\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u60a8\u9700\u8981\u6dfb\u52a0TFO\u652f\u6301\uff0c\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

        \n
      • \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\uff08\u5982\/etc\/shadowsocks-libev\/config.json<\/code>\uff09<\/li>\n
      • \u5728\"server\"<\/code>\u5b57\u6bb5\u4e2d\u52a0\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/li>\n<\/ul>\n

        { \u201cserver\u201d: \u201c\u4f60\u7684\u670d\u52a1\u5668IP\u201d, \u201cserver_port\u201d: \u7aef\u53e3, \u201clocal_address\u201d: \u201c127.0.0.1\u201d, \u201clocal_port\u201d: 1080, \u201cpassword\u201d: \u201c\u4f60\u7684\u5bc6\u7801\u201d, \u201cmethod\u201d: \u201caes-256-gcm\u201d, \u201cfast_open\u201d: true}<\/p>\n

        4. \u91cd\u542fshadowsocks-libev\u670d\u52a1<\/h4>\n

        \u6700\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542fshadowsocks-libev\uff1a bash systemctl restart shadowsocks-libev<\/p>\n

        \u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h2>\n

        \u901f\u5ea6\u6d4b\u8bd5<\/h3>\n

        \u901a\u8fc7\u542f\u7528TCP Fast Open\uff0c\u7528\u6237\u5728\u9ad8\u5ef6\u8fdf\u7f51\u7edc\u73af\u5883\u4e0b\u7684\u901f\u5ea6\u6709\u4e86\u663e\u8457\u63d0\u5347\u3002\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0cping\u503c\u4e0b\u964d\u4e8620-30ms\uff0c\u4e0b\u8f7d\u901f\u5ea6\u63d0\u5347\u4e86\u7ea615-25%\u3002<\/p>\n

        \u7528\u6237\u53cd\u9988<\/h3>\n

        \u8bb8\u591a\u7528\u6237\u53cd\u9988\uff0c\u5728\u89c2\u770b\u89c6\u9891\u548c\u8fdb\u884c\u6e38\u620f\u65f6\uff0c\u6d41\u7545\u5ea6\u660e\u663e\u63d0\u5347\uff0c\u8fd9\u4e3b\u8981\u5f97\u76ca\u4e8eTCP Fast Open\u5e26\u6765\u7684\u5feb\u901f\u8fde\u63a5\u4f53\u9a8c\u3002<\/p>\n

        \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n

        1. TCP Fast Open\u662f\u5426\u5bf9\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u6709\u6548\uff1f<\/h3>\n

        \u4e0d\u4e00\u5b9a\u3002\u867d\u7136TCP Fast Open\u53ef\u4ee5\u5728\u652f\u6301\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u663e\u8457\u51cf\u5c11\u5ef6\u8fdf\uff0c\u4f46\u5e76\u4e0d\u662f\u6240\u6709\u5e94\u7528\u90fd\u652f\u6301\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n

        2. \u5982\u4f55\u68c0\u67e5TCP Fast Open\u662f\u5426\u6210\u529f\u542f\u7528\uff1f<\/h3>\n

        \u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770bTCP Fast Open\u7684\u72b6\u6001\uff1a bash echo 1 > \/proc\/sys\/net\/ipv4\/tcp_fastopen cat \/proc\/sys\/net\/ipv4\/tcp_fastopen<\/p>\n

        3. \u5728\u4f7f\u7528shadowsocks-libev\u65f6\uff0c\u5982\u4f55\u89e3\u51b3\u8fde\u63a5\u95ee\u9898\uff1f<\/h3>\n
          \n
        • \u786e\u4fdd\u60a8\u7684\u7f51\u7edc\u73af\u5883\u7a33\u5b9a\u3002<\/li>\n
        • \u68c0\u67e5shadowsocks-libev\u7684\u914d\u7f6e\u6587\u4ef6\u662f\u5426\u6b63\u786e\u3002<\/li>\n
        • \u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7\uff0c\u4ee5\u786e\u5b9a\u662f\u5426\u6709\u5176\u4ed6\u95ee\u9898\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002<\/li>\n<\/ul>\n

          4. \u5982\u4f55\u6062\u590dTCP Fast Open\u7684\u9ed8\u8ba4\u8bbe\u7f6e\uff1f<\/h3>\n

          \u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5c06TCP Fast Open\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u72b6\u6001\uff1a bash echo 0 > \/proc\/sys\/net\/ipv4\/tcp_fastopen<\/p>\n

          \u7ed3\u8bba<\/h2>\n

          shadowsocks-libev\u7248\u7684TCP Fast Open\u529f\u80fd\u6781\u5927\u5730\u63d0\u5347\u4e86\u7f51\u7edc\u7684\u8fde\u63a5\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5728\u6b63\u786e\u914d\u7f6e\u540e\uff0c\u7528\u6237\u80fd\u591f\u4eab\u53d7\u5230\u66f4\u52a0\u5feb\u901f\u548c\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6211\u4eec\u6709\u7406\u7531\u76f8\u4fe1\uff0cTCP Fast Open\u5c06\u5728\u672a\u6765\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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