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class=\"wp-block-heading\">\u63a7\u5236\u4fe1\u4ee4\u4f20\u8f93<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>TCP \u5728\u63a7\u5236\u4fe1\u4ee4\u4f20\u8f93\u4e2d\u7684\u4f5c\u7528<\/strong>\uff1a\u63a7\u5236\u4fe1\u4ee4\u7528\u4e8e\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u7ba1\u7406\u89c6\u9891\u4f1a\u8bae\u7684\u8fde\u63a5\uff0c\u5bf9\u53ef\u9760\u6027\u8981\u6c42\u6781\u9ad8\u3002TCP \u7684\u53ef\u9760\u4f20\u8f93\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u63a7\u5236\u4fe1\u4ee4\u4f20\u8f93\u7684\u7406\u60f3\u9009\u62e9\u3002\u5728\u89c6\u9891\u4f1a\u8bae\u5f00\u59cb\u524d\uff0c\u53c2\u4f1a\u8005\u7684\u8bbe\u5907\u901a\u8fc7 TCP \u534f\u8bae\u4e0e\u89c6\u9891\u4f1a\u8bae\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\uff0c\u53d1\u9001\u8fde\u63a5\u8bf7\u6c42\u3001\u8eab\u4efd\u9a8c\u8bc1\u7b49\u63a7\u5236\u4fe1\u4ee4\u3002\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u5e76\u901a\u8fc7 TCP 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SIP\uff08\u4f1a\u8bdd\u53d1\u8d77\u534f\u8bae\uff09\u9080\u8bf7\u6d88\u606f\uff0c\u8be5\u6d88\u606f\u5305\u542b\u4e86\u53d1\u8d77\u65b9\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5982 IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u652f\u6301\u7684\u97f3\u89c6\u9891\u7f16\u7801\u683c\u5f0f\u7b49\u3002\u670d\u52a1\u5668\u63a5\u6536\u5230\u9080\u8bf7\u540e\uff0c\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u5904\u7406\uff0c\u5305\u62ec\u9a8c\u8bc1\u53d1\u8d77\u65b9\u7684\u8eab\u4efd\u3001\u68c0\u67e5\u4f1a\u8bae\u8d44\u6e90\u662f\u5426\u53ef\u7528\u7b49\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u670d\u52a1\u5668\u4f1a\u901a\u8fc7 TCP \u5411\u53d1\u8d77\u65b9\u8fd4\u56de\u4e00\u4e2a 200 OK \u54cd\u5e94\u6d88\u606f\uff0c\u8868\u793a\u63a5\u53d7\u9080\u8bf7\u3002\u7136\u540e\uff0c\u53d1\u8d77\u65b9\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u901a\u8fc7 TCP 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TCP \u534f\u8bae\u6765\u786e\u4fdd\u63a7\u5236\u4fe1\u4ee4\u7684\u53ef\u9760\u4f20\u8f93\uff0c\u540c\u65f6\u5bf9 UDP \u4f20\u8f93\u8fdb\u884c\u4f18\u5316\uff0c\u5982\u91c7\u7528\u66f4\u9ad8\u6548\u7684 FEC \u7b97\u6cd5\u3001\u52a8\u6001\u8c03\u6574\u6570\u636e\u5305\u5927\u5c0f\u7b49\uff0c\u4ee5\u9002\u5e94\u7f51\u7edc\u7684\u53d8\u5316\u3002<\/li>\n\n\n\n<li><strong>\u7f51\u7edc\u7a33\u5b9a\u6027\u7684\u5e94\u5bf9\u7b56\u7565<\/strong>\uff1a\u7f51\u7edc\u7a33\u5b9a\u6027\u662f\u5f71\u54cd\u89c6\u9891\u4f1a\u8bae\u8d28\u91cf\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u5f53\u7f51\u7edc\u51fa\u73b0\u6296\u52a8\u3001\u4e22\u5305\u7b49\u4e0d\u7a33\u5b9a\u60c5\u51b5\u65f6\uff0c\u4e0d\u540c\u7684\u534f\u8bae\u9700\u8981\u91c7\u53d6\u4e0d\u540c\u7684\u5e94\u5bf9\u7b56\u7565\u3002\u5bf9\u4e8e UDP \u4f20\u8f93\uff0c\u7531\u4e8e\u5176\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\uff0c\u5728\u7f51\u7edc\u4e0d\u7a33\u5b9a\u65f6\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5927\u91cf\u6570\u636e\u4e22\u5931\uff0c\u5f71\u54cd\u97f3\u89c6\u9891\u7684\u64ad\u653e\u8d28\u91cf\u3002\u56e0\u6b64\uff0c\u9700\u8981\u901a\u8fc7\u4e00\u4e9b\u989d\u5916\u7684\u673a\u5236\u6765\u63d0\u9ad8\u5176\u53ef\u9760\u6027\uff0c\u5982\u524d\u9762\u63d0\u5230\u7684 FEC \u6280\u672f\u3001\u91cd\u4f20\u673a\u5236\u7b49\u3002\u800c TCP \u534f\u8bae\u867d\u7136\u5177\u6709\u53ef\u9760\u4f20\u8f93\u7684\u7279\u6027\uff0c\u4f46\u5728\u7f51\u7edc\u4e0d\u7a33\u5b9a\u65f6\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u5927\u91cf\u7684\u91cd\u4f20\u800c\u5bfc\u81f4\u5ef6\u8fdf\u589e\u52a0\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u79cd\u60c5\u51b5\uff0c\u89c6\u9891\u4f1a\u8bae\u7cfb\u7edf\u53ef\u4ee5\u91c7\u7528 TCP \u7684\u4f18\u5316\u7248\u672c\uff0c\u5982 TCP BBR\uff08Bottleneck Bandwidth and Round &#8211; Trip propagation 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