{"id":34605,"date":"2026-07-28T15:15:15","date_gmt":"2026-07-28T07:15:15","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-optimize-tcp-connections\/"},"modified":"2026-07-28T15:21:03","modified_gmt":"2026-07-28T07:21:03","slug":"how-to-optimize-tcp-connections","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-optimize-tcp-connections\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316 TCP \u8fde\u63a5"},"content":{"rendered":"<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u4f18 TCP \u7f13\u51b2\u533a\u5927\u5c0f\u3001\u542f\u7528\u81ea\u52a8\u8c03\u4f18\uff0c\u4ee5\u53ca\u9009\u62e9\u5408\u9002\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u6765\u4f18\u5316 TCP \u8fde\u63a5\u3002\u8c03\u6574 TCP \u53c2\u6570\u53ef\u4ee5\u63d0\u5347\u541e\u5410\u91cf\u5e76\u964d\u4f4e\u5ef6\u8fdf\u3002\u4f8b\u5982\uff0c\u52a8\u6001\u63a5\u6536\u7f13\u51b2\u533a\u7ba1\u7406\u80fd\u591f\u9632\u6b62\u8fc7\u5ea6\u7f13\u51b2\u548c<a href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-solve-network-latency-issues-in-global-game-servers\/\" target=\"_blank\">\u5ef6\u8fdf\u7a81\u589e<\/a>\u3002\u4f60\u5c06\u5728\u672c\u6587\u4e2d\u627e\u5230\u6709\u5173 TCP \u4f18\u5316\u7684\u5b9e\u7528\u5efa\u8bae\u548c<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/\" target=\"_blank\">\u771f\u5b9e\u4e16\u754c<\/a>\u7684\u6548\u679c\u8bf4\u660e\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u8981\u4f18\u5316 TCP \u8fde\u63a5<\/h2>\n<h3>\u6027\u80fd\u4e0e\u5ef6\u8fdf\u63d0\u5347<\/h3>\n<p>\u901a\u8fc7\u4f18\u5316 TCP \u8fde\u63a5\uff0c\u4f60\u53ef\u4ee5\u83b7\u5f97\u663e\u8457\u7684\u6027\u80fd\u548c\u5ef6\u8fdf\u6536\u76ca\u3002\u5f53\u4f60\u8c03\u4f18 TCP \u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5e94\u7528\u7a0b\u5e8f\u66f4\u9ad8\u6548\u5730\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5408\u9002\u5927\u5c0f\u7684\u7f13\u51b2\u533a\u80fd\u591f\u9632\u6b62\u4e22\u5305\u5e76\u4fdd\u6301\u8f83\u4f4e\u5ef6\u8fdf\u3002\u8fd9\u4e00\u6b65\u5bf9\u9700\u8981\u5feb\u901f\u54cd\u5e94\u7684\u5e94\u7528\u7a0b\u5e8f\u5c24\u4e3a\u5173\u952e\u3002\u7a97\u53e3\u6269\u5c55\u5141\u8bb8\u4f60\u5728\u65e0\u9700\u7b49\u5f85\u6bcf\u4e2a\u786e\u8ba4\u5305\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\u66f4\u591a\u6570\u636e\u3002\u56e0\u6b64\uff0c\u4f60\u4f1a\u770b\u5230\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u548c\u66f4\u5e73\u6ed1\u7684\u6570\u636e\u6d41\u3002\u73b0\u4ee3 TCP \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u80fd\u591f\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u7f51\u7edc\u6761\u4ef6\u3002\u8fd9\u4e9b\u7b97\u6cd5\u4f1a\u540c\u65f6\u6539\u5584\u5ef6\u8fdf\u548c\u541e\u5410\u91cf\uff0c\u7279\u522b\u9002\u5408\u4f9d\u8d56\u5b9e\u65f6\u901a\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u4f60\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u5728\u4f18\u5316\u8fde\u63a5\u4e4b\u540e\uff0c\u6027\u80fd\u53ef\u63d0\u5347 2 \u5230 10 \u500d\u3002\u5b9e\u9645\u63d0\u5347\u5e45\u5ea6\u53d6\u51b3\u4e8e\u7f51\u7edc\u72b6\u51b5\u7684\u4e25\u91cd\u7a0b\u5ea6\u3002\u50cf\u6d41\u538b\u7f29\u3001\u53bb\u91cd\u548c\u4e22\u5305\u6062\u590d\u7b49\u529f\u80fd\u4e5f\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002\u5f53\u4f60\u5904\u7406\u597d\u8fd9\u4e9b\u65b9\u9762\u65f6\uff0c\u5c31\u80fd\u51cf\u5c11\u5ef6\u8fdf\u5e76\u8ba9\u7f51\u7edc\u66f4\u52a0\u53ef\u9760\u3002<\/p>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5373\u4f7f\u662f\u5bf9\u8bbe\u7f6e\u8fdb\u884c\u5f88\u5c0f\u7684\u8c03\u6574\uff0c\u4e5f\u53ef\u80fd\u663e\u8457\u63d0\u5347\u5e94\u7528\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/blockquote>\n<h3>\u4f55\u65f6\u9700\u8981\u4f18\u5316<\/h3>\n<p>\u5f53\u4f60\u7684\u7f51\u7edc\u9762\u4e34\u9ad8\u6d41\u91cf\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u6216\u9891\u7e41\u62e5\u585e\u65f6\uff0c\u5c31\u5e94\u8003\u8651\u8fdb\u884c TCP \u4f18\u5316\u3002\u5982\u679c\u4f60\u8fd0\u884c\u7684\u662f\u5927\u6587\u4ef6\u4f20\u8f93\u3001\u5a92\u4f53\u6d41\u64ad\u653e\uff0c\u6216\u8005\u9700\u8981\u540c\u65f6\u670d\u52a1\u5927\u91cf\u7528\u6237\u7684\u5e94\u7528\uff0cTCP \u8c03\u4f18\u5c31\u53d8\u5f97\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u8f7d\u7f13\u6162\u3001\u89c6\u9891\u5361\u987f\u6216\u7f51\u7edc\u6e38\u620f\u5ef6\u8fdf\u9ad8\uff0c\u901a\u5e38\u90fd\u8bf4\u660e\u5b58\u5728\u6027\u80fd\u74f6\u9888\u3002\u4f60\u53ef\u4ee5\u501f\u52a9 TCP \u4f18\u5316\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u66f4\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/p>\n<p>\u5728\u4e91\u73af\u5883\u6216\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0cTCP \u4f18\u5316\u53ef\u5e2e\u52a9\u4f60\u5728\u4e0d\u589e\u52a0\u786c\u4ef6\u7684\u524d\u63d0\u4e0b\u5904\u7406\u66f4\u591a\u8fde\u63a5\u3002\u5f53\u4f60\u4e0e\u8fdc\u7a0b\u56e2\u961f\u534f\u4f5c\uff0c\u6216\u8005\u9700\u8981\u4e3a\u8de8\u6d32\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u65f6\uff0c\u4e5f\u4f1a\u770b\u5230\u660e\u663e\u6536\u76ca\u3002\u901a\u8fc7\u5173\u6ce8\u8fd9\u4e9b\u53c2\u6570\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u7f51\u7edc\u65e0\u8bba\u5728\u4f55\u79cd\u5de5\u4f5c\u8d1f\u8f7d\u4e0b\u90fd\u4fdd\u6301\u5feb\u901f\u548c\u7a33\u5b9a\u3002<\/p>\n<ul>\n<li>\n<p>\u9002\u5408\u8fdb\u884c\u4f18\u5316\u7684\u573a\u666f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f60\u6ce8\u610f\u5230\u9ad8\u5ef6\u8fdf\u6216\u4f20\u8f93\u7f13\u6162\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f60\u7684\u5e94\u7528\u9700\u8981\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f60\u7684\u7f51\u7edc\u9700\u8981\u652f\u6301\u5927\u91cf\u5e76\u53d1\u7528\u6237\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4f18\u5316 TCP \u7684\u5173\u952e\u53c2\u6570<\/h2>\n<h3>\u63a5\u6536\u7a97\u53e3\u4e0e\u7f13\u51b2\u533a\u5927\u5c0f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u63a5\u6536\u7a97\u53e3\u548c\u7f13\u51b2\u533a\u5927\u5c0f\u6765\u63d0\u5347 TCP \u6027\u80fd\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5728\u7b49\u5f85\u786e\u8ba4\u4e4b\u524d\u53ef\u4ee5\u53d1\u9001\u6216\u63a5\u6536\u591a\u5c11\u6570\u636e\u3002\u5982\u679c\u7f13\u51b2\u533a\u8bbe\u7f6e\u5f97\u8fc7\u5c0f\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4f20\u8f93\u7f13\u6162\u548c\u9ad8\u5ef6\u8fdf\uff1b\u5982\u679c\u8bbe\u7f6e\u5f97\u8fc7\u5927\uff0c\u5219\u53ef\u80fd\u6d6a\u8d39\u5185\u5b58\uff0c\u751a\u81f3\u5f15\u53d1\u989d\u5916\u5ef6\u8fdf\u3002\u5bf9\u4e8e\u9ad8\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\uff0c\u4f60\u5e94\u9002\u5f53\u589e\u5927\u6700\u5927\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u8fd9\u6837\u6709\u52a9\u4e8e\u5145\u5206\u5229\u7528\u53ef\u7528\u5e26\u5bbd\u5e76\u4fdd\u6301\u8f83\u9ad8\u541e\u5410\u91cf\u3002BBR \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5728\u8fd9\u7c7b\u73af\u5883\u4e2d\u8868\u73b0\u826f\u597d\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u9002\u5e94\u53d8\u5316\u7684\u7f51\u7edc\u72b6\u51b5\uff0c\u5e76\u5e2e\u52a9\u4f60\u907f\u514d\u74f6\u9888\u3002<\/p>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u59cb\u7ec8\u8ba9\u7f13\u51b2\u533a\u5927\u5c0f\u4e0e\u7f51\u7edc\u901f\u5ea6\u548c\u65f6\u5ef6\u76f8\u5339\u914d\uff0c\u624d\u80fd\u83b7\u5f97\u6700\u4f73\u6548\u679c\u3002<\/p>\n<\/blockquote>\n<h3>\u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08BDP\uff09<\/h3>\n<p>\u4f60\u5e94\u8be5\u8ba1\u7b97\u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08Bandwidth Delay Product\uff0c\u7b80\u79f0 BDP\uff09\uff0c\u4ee5\u786e\u5b9a TCP \u8fde\u63a5\u7684\u7406\u60f3\u7f13\u51b2\u533a\u5927\u5c0f\u3002BDP \u7b49\u4e8e\u7f51\u7edc\u5e26\u5bbd\u4e58\u4ee5\u5f80\u8fd4\u65f6\u5ef6\u3002\u8fd9\u4e2a\u503c\u8868\u793a\u5728\u7b49\u5f85\u54cd\u5e94\u4e4b\u524d\uff0c\u4f60\u6700\u591a\u53ef\u4ee5\u53d1\u9001\u591a\u5c11\u6570\u636e\u3002\u5982\u679c\u7f13\u51b2\u533a\u8bbe\u7f6e\u4f4e\u4e8e BDP\uff0c\u5c31\u4f1a\u9650\u5236\u541e\u5410\u91cf\uff1b\u5982\u679c\u9ad8\u4e8e BDP\uff0c\u5219\u53ef\u80fd\u6d6a\u8d39\u7cfb\u7edf\u8d44\u6e90\u3002\u8bf7\u5c06 BDP \u4f5c\u4e3a\u8c03\u4f18\u7f13\u51b2\u533a\u5927\u5c0f\u7684\u53c2\u8003\uff0c\u4ee5\u83b7\u5f97\u7a33\u5b9a\u4e14\u5feb\u901f\u7684\u8fde\u63a5\u3002<\/p>\n<h3>\u5957\u63a5\u5b57\u9009\u9879\u4e0e\u7cfb\u7edf\u6587\u4ef6<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5957\u63a5\u5b57\u9009\u9879\u548c\u7cfb\u7edf\u6587\u4ef6\u6765\u8fdb\u4e00\u6b65\u5fae\u8c03 TCP\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u89c1\u7684\u8c03\u6574\u9879\uff1a<\/p>\n<ol>\n<li>\n<p>\u8bbe\u7f6e\u6700\u5927\u7684 TCP \u7f13\u51b2\u533a\uff08\u5185\u5b58\uff09\u7a7a\u95f4\uff0c\u4ee5\u652f\u6301\u73b0\u4ee3\u4e92\u8054\u7f51\u901f\u5ea6\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u5957\u63a5\u5b57\u7f13\u51b2\u533a\u5927\u5c0f\uff08SO_SNDBUF \u548c SO_RCVBUF\uff09\uff0c\u4f7f\u5176\u4e0e BDP \u5339\u914d\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528 TCP \u81ea\u52a8\u8c03\u4f18\uff0c\u4f7f\u7cfb\u7edf\u80fd\u591f\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u81ea\u52a8\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528\u5927\u7a97\u53e3\u6269\u5c55\uff08RFC1323\uff09\uff0c\u4ee5\u5904\u7406\u9ad8 BDP \u8def\u5f84\u5e76\u63d0\u9ad8\u541e\u5410\u91cf\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u66f4\u6539\u6709\u52a9\u4e8e\u63d0\u5347\u541e\u5410\u91cf\u3001\u964d\u4f4e\u5ef6\u8fdf\uff0c\u5e76\u4fdd\u6301\u8fde\u63a5\u7a33\u5b9a\u3002<\/p>\n<h2>\u4f18\u5316 TCP \u8fde\u63a5\u7684\u5b9e\u7528\u6307\u5357<\/h2>\n<h3>\u8bc6\u522b\u74f6\u9888<\/h3>\n<p>\u5728\u4f18\u5316 TCP \u8fde\u63a5\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u5148\u8bc6\u522b\u74f6\u9888\u3002\u9996\u5148\u76d1\u63a7\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\u3002\u5982\u679c\u4f60\u53d1\u73b0\u6027\u80fd\u4e0b\u964d\uff0c\u53ef\u4ee5\u4f7f\u7528 ctsTraffic \u7b49\u6293\u5305\u5de5\u5177\u5206\u6790\u7f51\u7edc\u8ddf\u8e2a\u6570\u636e\u3002\u8fd9\u4e9b\u5de5\u5177\u80fd\u5e2e\u52a9\u4f60\u53d1\u73b0\u8fde\u63a5\u4e2d\u7684\u6839\u672c\u95ee\u9898\u3002Wireshark \u548c tcpdump \u53ef\u7528\u4e8e\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\u5e76\u5206\u6790\u6d41\u91cf\u6a21\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5feb\u901f\u53d1\u73b0\u9519\u8bef\u548c\u5b89\u5168\u5a01\u80c1\u3002SolarWinds Network Performance Monitor \u4e0e PRTG Network Monitor \u5219\u80fd\u63d0\u4f9b\u5173\u4e8e\u7f51\u7edc\u5065\u5eb7\u72b6\u51b5\u7684\u8be6\u7ec6\u6d1e\u5bdf\u3002Splunk \u548c ELK Stack \u53ef\u4ee5\u6536\u96c6\u6765\u81ea\u8bbe\u5907\u548c\u670d\u52a1\u5668\u7684\u65e5\u5fd7\uff0c\u5e2e\u52a9\u4f60\u627e\u51fa\u53cd\u590d\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5de5\u5177<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u65b9\u6cd5<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>Wireshark\u3001tcpdump<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\uff0c\u4ee5\u5206\u6790\u6d41\u91cf\u6a21\u5f0f\u3001\u9519\u8bef\u4ee5\u53ca\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>SolarWinds Network Performance Monitor\u3001PRTG Network Monitor<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u90e8\u7f72\u7f51\u7edc\u5206\u6790\u5668\uff0c\u4ee5\u83b7\u53d6\u5173\u4e8e\u7f51\u7edc\u6027\u80fd\u548c\u5065\u5eb7\u72b6\u51b5\u7684\u8be6\u7ec6\u6d1e\u5bdf\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>Splunk\u3001ELK Stack<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6536\u96c6\u5e76\u5206\u6790\u6765\u81ea\u7f51\u7edc\u8bbe\u5907\u3001\u670d\u52a1\u5668\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u65e5\u5fd7\uff0c\u4ee5\u8bc6\u522b\u53cd\u590d\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote>\n<p>Wireshark \u53ef\u5e2e\u52a9\u4f60\u5feb\u901f\u6df1\u5165\u5230\u95ee\u9898\u7684\u62a5\u6587\u7ea7\u522b\uff0c\u4ece\u800c\u5224\u65ad\u95ee\u9898\u7a76\u7adf\u6765\u81ea\u7f51\u7edc\u3001\u670d\u52a1\u5668\u3001\u670d\u52a1\u8fd8\u662f\u5ba2\u6237\u7aef\u3002<\/p>\n<\/blockquote>\n<ul>\n<li>\n<p>Wireshark\uff1a\u5206\u6790\u62a5\u6587\u7ea7\u95ee\u9898\uff0c\u627e\u51fa\u7f51\u7edc\u6545\u969c\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n<\/li>\n<li>\n<p>Tcpdump\uff1a\u6355\u83b7 TCP \u8fde\u63a5\u6570\u636e\u7528\u4e8e\u62a5\u6587\u5206\u6790\uff0c\u5e76\u5b9a\u4f4d\u76f8\u5173\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5728\u66f4\u6539\u8bbe\u7f6e\u4e4b\u524d\uff0c\u4f60\u59cb\u7ec8\u5e94\u5148\u8bca\u65ad\u6839\u672c\u539f\u56e0\u3002\u8fd9\u6837\u624d\u80fd\u786e\u4fdd\u4f60\u9488\u5bf9\u6b63\u786e\u7684\u95ee\u9898\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<h3>\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u4f18\u7f13\u51b2\u533a\u5927\u5c0f\u6765\u4f18\u5316 TCP \u8fde\u63a5\u3002\u7f13\u51b2\u533a\u5927\u5c0f\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5728\u7b49\u5f85\u786e\u8ba4\u4e4b\u524d\u53ef\u4ee5\u53d1\u9001\u6216\u63a5\u6536\u591a\u5c11\u6570\u636e\u3002\u5982\u679c\u7f13\u51b2\u533a\u8bbe\u7f6e\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5ef6\u8fdf\u589e\u52a0\u3002\u6d41\u7684\u4e22\u5305\u54cd\u5e94\u53ef\u80fd\u65e0\u6cd5\u6e05\u7a7a\u7f13\u51b2\u533a\uff0c\u4ece\u800c\u5f62\u6210\u6301\u7eed\u6392\u961f\u3002\u5982\u679c\u7f13\u51b2\u533a\u8bbe\u7f6e\u8fc7\u4f4e\uff0c\u53d1\u9001\u901f\u7387\u5c31\u4f1a\u964d\u5230\u74f6\u9888\u94fe\u8def\u5bb9\u91cf\u4ee5\u4e0b\u3002\u8fd9\u4f1a\u5bfc\u81f4\u7f51\u7edc\u94fe\u8def\u5229\u7528\u4e0d\u8db3\uff0c\u76f4\u5230\u53d1\u9001\u901f\u7387\u91cd\u65b0\u4e0a\u5347\u5e76\u5339\u914d\u94fe\u8def\u5bb9\u91cf\u3002<\/p>\n<p>\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\uff1a<\/p>\n<ol>\n<li>\n<p>\u8ba1\u7b97\u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08BDP\uff09\u3002\u5c06\u7f51\u7edc\u5e26\u5bbd\u4e58\u4ee5\u5f80\u8fd4\u65f6\u5ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u5c06\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u8bbe\u7f6e\u4e3a\u4e0e BDP \u76f8\u5339\u914d\u3002\u8fd9\u6837\u53ef\u4ee5\u5145\u5206\u5229\u7528\u53ef\u7528\u5e26\u5bbd\uff0c\u540c\u65f6\u907f\u514d\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u4ee5\u4e0b sysctl \u547d\u4ee4\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\uff1a<\/p>\n<pre><code>sysctl -w net.core.rmem_max=16777216\r\nsysctl -w net.core.wmem_max=16777216\r\nsysctl -w net.ipv4.tcp_rmem=\"8192 250000 16777216\"\r\nsysctl -w net.ipv4.tcp_wmem=\"8192 250000 16777216\"<\/code><\/pre>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u7f51\u7edc\u6027\u80fd\u5de5\u5177\u6d4b\u8bd5\u4f60\u7684\u66f4\u6539\u3002\u76d1\u63a7\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\uff0c\u4ee5\u786e\u8ba4\u662f\u5426\u6709\u6240\u6539\u5584\u3002<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u59cb\u7ec8\u8ba9\u7f13\u51b2\u533a\u5927\u5c0f\u4e0e\u7f51\u7edc\u901f\u5ea6\u548c\u65f6\u5ef6\u76f8\u5339\u914d\u3002\u4e0d\u8981\u8bbe\u7f6e\u5f97\u8fc7\u9ad8\uff0c\u4e5f\u4e0d\u8981\u8bbe\u7f6e\u5f97\u8fc7\u4f4e\u3002<\/p>\n<\/blockquote>\n<h3>\u8bbe\u7f6e\u7cfb\u7edf\u7ea7\u914d\u7f6e<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u6301\u4e45\u5316\u914d\u7f6e\u6587\u4ef6\uff0c\u5728\u6574\u4e2a\u7cfb\u7edf\u8303\u56f4\u5185\u4f18\u5316 TCP \u8fde\u63a5\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u7cfb\u7edf\u91cd\u542f\u540e\u8bbe\u7f6e\u4f9d\u7136\u4fdd\u7559\u3002\u8bf7\u7f16\u8f91 <code>\/etc\/sysctl.conf<\/code>\uff0c\u6216\u5728 <code>\/etc\/sysctl.d\/<\/code> \u4e2d\u521b\u5efa\u81ea\u5b9a\u4e49\u914d\u7f6e\u6587\u4ef6\u6765\u4fdd\u5b58\u8fd9\u4e9b\u53c2\u6570\u3002<\/p>\n<p>\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6dfb\u52a0\u5230\u4f60\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre><code>net.core.rmem_max = 16777216\r\nnet.core.wmem_max = 16777216\r\nnet.ipv4.tcp_rmem = 8192 250000 16777216\r\nnet.ipv4.tcp_wmem = 8192 250000 16777216\r\nnet.ipv4.tcp_timestamps = 1\r\nnet.ipv4.tcp_sack = 1\r\nnet.ipv4.tcp_tw_reuse = 1\r\nnet.ipv4.tcp_fin_timeout = 30<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5e94\u7528\u66f4\u6539\uff1a<\/p>\n<pre><code>sysctl -p<\/code><\/pre>\n<p>\u4f60\u5e94\u8bb0\u5f55\u8fd9\u4e9b\u8bbe\u7f6e\u5e76\u6301\u7eed\u76d1\u63a7\u5176\u5f71\u54cd\u3002\u8fd9\u6837\u6709\u52a9\u4e8e\u4f60\u7ef4\u6301\u7a33\u5b9a\u8fde\u63a5\uff0c\u5e76\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u5feb\u901f\u6392\u67e5\u3002<\/p>\n<h3>\u4f7f\u7528 BBR \u62e5\u585e\u63a7\u5236<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u542f\u7528 BBR \u62e5\u585e\u63a7\u5236\u6765\u4f18\u5316 TCP \u8fde\u63a5\u3002BBR \u53ef\u5e2e\u52a9\u4f60\u83b7\u5f97\u66f4\u9ad8\u5e26\u5bbd\u548c\u66f4\u4f4e\u5ef6\u8fdf\u3002\u5b83\u4f1a\u76d1\u63a7\u5f80\u8fd4\u65f6\u5ef6\u5e76\u8c03\u6574\u53d1\u9001\u901f\u7387\u3002\u4f60\u8fd8\u4f1a\u770b\u5230 NUMA \u5e73\u8861\u548c\u4ee5\u592a\u7f51\u6570\u636e\u4f20\u8f93\u6548\u7387\u65b9\u9762\u7684\u6539\u5584\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6027\u80fd\u63d0\u5347<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8bf4\u660e<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u66f4\u9ad8\u5e26\u5bbd<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>BBR \u901a\u8fc7\u4f18\u5316 TCP \u53d1\u9001\u901f\u7387\uff0c\u5e2e\u52a9\u4e92\u8054\u7f51\u6d41\u91cf\u5b9e\u73b0\u66f4\u9ad8\u5e26\u5bbd\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u66f4\u4f4e\u5ef6\u8fdf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>BBR \u901a\u8fc7\u76d1\u63a7\u5f80\u8fd4\u65f6\u5ef6\u5e76\u76f8\u5e94\u8c03\u6574\u53d1\u9001\u901f\u7387\u6765\u964d\u4f4e\u5ef6\u8fdf\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u589e\u5f3a\u7684 NUMA \u5e73\u8861<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>NUMA \u5e73\u8861\u65b9\u9762\u7684\u6539\u8fdb\u53ef\u51cf\u5c11\u591a NUMA \u8282\u70b9\u7cfb\u7edf\u4e2d\u7684\u9ad8 I\/O \u7b49\u5f85\u65f6\u95f4\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u66f4\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>RoCE \u53ef\u5728\u4ee5\u592a\u7f51\u7f51\u7edc\u4e0a\u5b9e\u73b0\u9ad8\u6548\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u5728 Linux \u4e0a\u542f\u7528 BBR\uff1a<\/p>\n<ol>\n<li>\n<p>\u9a8c\u8bc1\u5185\u6838\u662f\u5426\u652f\u6301 BBR \u6a21\u5757\uff1a<\/p>\n<pre><code>modprobe tcp_bbr\r\necho \"tcp_bbr\" | sudo tee -a \/etc\/modules-load.d\/modules.conf<\/code><\/pre>\n<\/li>\n<li>\n<p>\u6ce8\u5165 BBR \u5185\u6838\u53c2\u6570\uff1a<\/p>\n<pre><code>cat &gt;&gt; \/etc\/sysctl.conf &lt;&lt; EOF\r\nnet.core.default_qdisc = fq\r\nnet.ipv4.tcp_congestion_control = bbr\r\nEOF<\/code><\/pre>\n<\/li>\n<li>\n<p>\u52a0\u8f7d\u66f4\u65b0\u540e\u7684 sysctl \u503c\uff1a<\/p>\n<pre><code>sysctl -p<\/code><\/pre>\n<\/li>\n<li>\n<p>\u786e\u8ba4 BBR \u5df2\u542f\u7528\uff1a<\/p>\n<pre><code>sysctl net.ipv4.tcp_congestion_control<\/code><\/pre>\n<p>\u9884\u671f\u8f93\u51fa\uff1a<code>net.ipv4.tcp_congestion_control = bbr<\/code><\/p>\n<\/li>\n<li>\n<p>\u4f18\u5316\u6838\u5fc3 TCP \u5185\u6838\u53c2\u6570\u3002\u5c06\u4ee5\u4e0b\u8bbe\u7f6e\u6dfb\u52a0\u5230 <code>\/etc\/sysctl.conf<\/code> \u6216 <code>\/etc\/sysctl.d\/99-custom.conf<\/code>\uff1a<\/p>\n<pre><code>net.core.rmem_max = 134217728\r\nnet.core.wmem_max = 134217728\r\nnet.ipv4.tcp_rmem = 4096 87380 134217728\r\nnet.ipv4.tcp_wmem = 4096 65536 134217728\r\nnet.ipv4.tcp_timestamps = 1\r\nnet.ipv4.tcp_sack = 1\r\nnet.ipv4.tcp_tw_reuse = 1\r\nnet.ipv4.tcp_fin_timeout = 30\r\nnet.netfilter.nf_conntrack_max = 655360<\/code><\/pre>\n<p>\u8fd0\u884c <code>sysctl -p<\/code> \u4ee5\u5e94\u7528\u6240\u6709\u4fee\u6539\u540e\u7684\u5185\u6838\u8bbe\u7f6e\u3002<\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p>\u6ce8\u610f\uff1a\u542f\u7528 BBR \u540e\u52a1\u5fc5\u6d4b\u8bd5\u4f60\u7684\u8bbe\u7f6e\u3002\u76d1\u63a7\u5e26\u5bbd\u548c\u5ef6\u8fdf\uff0c\u4ee5\u786e\u8ba4\u662f\u5426\u83b7\u5f97\u4e86\u6539\u5584\u3002<\/p>\n<\/blockquote>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u9075\u5faa\u4ee5\u4e0a\u5b9e\u7528\u6b65\u9aa4\u6765\u4f18\u5316 TCP \u8fde\u63a5\u3002\u8bca\u65ad\u74f6\u9888\u3001\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u3001\u8bbe\u7f6e\u7cfb\u7edf\u7ea7\u914d\u7f6e\uff0c\u5e76\u542f\u7528 BBR \u62e5\u585e\u63a7\u5236\u3002\u8fd9\u4e9b\u64cd\u4f5c\u5c06\u5e2e\u52a9\u4f60\u5b9e\u73b0\u7a33\u5b9a\u4e14\u9ad8\u6027\u80fd\u7684\u8fde\u63a5\u3002<\/p>\n<h2>Linux \u81ea\u52a8\u8c03\u4f18\u4e0e\u66f4\u9ad8\u7ea7\u7684 TCP \u4f18\u5316<\/h2>\n<h3>\u81ea\u52a8\u8c03\u4f18\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>Linux \u81ea\u52a8\u8c03\u4f18\u53ef\u4ee5\u5e2e\u52a9\u4f60\u81ea\u52a8\u7ba1\u7406 TCP \u7f13\u51b2\u533a\u5927\u5c0f\u3002\u7cfb\u7edf\u4f1a\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u3002\u5f53\u4f60\u8fde\u63a5\u5230\u9ad8\u901f\u7f51\u7edc\u65f6\uff0c\u81ea\u52a8\u8c03\u4f18\u4f1a\u589e\u5927\u7f13\u51b2\u533a\u5927\u5c0f\u4ee5\u6700\u5927\u5316\u541e\u5410\u91cf\uff1b\u5982\u679c\u8fde\u63a5\u901f\u5ea6\u4e0b\u964d\uff0c\u5b83\u53c8\u4f1a\u51cf\u5c0f\u7f13\u51b2\u533a\u5927\u5c0f\u4ee5\u8282\u7701\u5185\u5b58\u3002\u4f60\u4e0d\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u6bcf\u4e00\u4e2a\u53c2\u6570\u3002\u81ea\u52a8\u8c03\u4f18\u4f9d\u9760\u7b97\u6cd5\u5728\u6027\u80fd\u548c\u8d44\u6e90\u5360\u7528\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002\u8fd9\u4e2a\u529f\u80fd\u9002\u7528\u4e8e\u5927\u591a\u6570\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5c24\u5176\u662f\u5728\u4f60\u5e0c\u671b\u8fde\u63a5\u7a33\u5b9a\u800c\u53c8\u4e0d\u60f3\u6301\u7eed\u624b\u52a8\u8c03\u4f18\u65f6\u3002<\/p>\n<blockquote>\n<p>\u81ea\u52a8\u8c03\u4f18\u8ba9\u670d\u52a1\u5668\u80fd\u591f\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u6d41\u91cf\u6a21\u5f0f\uff0c\u5e76\u4fdd\u6301\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u7075\u654f\u3002<\/p>\n<\/blockquote>\n<h3>\u624b\u52a8\u8986\u76d6<\/h3>\n<p>\u5f53\u4f60\u9700\u8981\u66f4\u5f3a\u7684\u6027\u80fd\u63a7\u5236\u65f6\uff0c\u53ef\u4ee5\u8986\u76d6\u81ea\u52a8\u8c03\u4f18\u8bbe\u7f6e\u3002\u624b\u52a8\u8c03\u4f18\u9002\u7528\u4e8e\u9ad8\u5e26\u5bbd\u65f6\u5ef6\u79ef\u7f51\u7edc\u6216\u7279\u6b8a\u5de5\u4f5c\u8d1f\u8f7d\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>net.core.rmem_max<\/code> \u548c <code>net.core.wmem_max<\/code> \u6765\u8bbe\u7f6e\u7f13\u51b2\u533a\u4e0a\u9650\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 <code>net.ipv4.tcp_mem<\/code> \u8c03\u6574\u5185\u5b58\u538b\u529b\u9608\u503c\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u53ef\u5e2e\u52a9\u4f60\u6700\u5927\u5316\u7a97\u53e3\u5927\u5c0f\u5e76\u907f\u514d\u74f6\u9888\u3002\u4f60\u8fd8\u53ef\u4ee5\u9009\u62e9\u8bf8\u5982 BBR \u4e4b\u7c7b\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u4ee5\u6539\u5584\u54cd\u5e94\u901f\u5ea6\u5e76\u964d\u4f4e\u5ef6\u8fdf\u3002\u4f60\u9700\u8981\u76d1\u63a7\u91cd\u4f20\u7387\u548c\u5f80\u8fd4\u65f6\u5ef6\u6ce2\u52a8\u7b49\u6307\u6807\uff0c\u4ee5\u68c0\u67e5\u8fd9\u4e9b\u66f4\u6539\u662f\u5426\u751f\u6548\u3002<\/p>\n<ul>\n<li>\n<p>\u4f18\u5316\u4e0e\u5185\u5b58\u5206\u914d\u548c\u4e2d\u65ad\u5904\u7406\u76f8\u5173\u7684\u5185\u6838\u53c2\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u9ad8\u9700\u6c42\u5e94\u7528\u8bbe\u7f6e\u5355\u72ec\u7684\u5957\u63a5\u5b57\u7f13\u51b2\u533a\u5927\u5c0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e3a\u4f60\u7684\u5de5\u4f5c\u8d1f\u8f7d\u9009\u62e9\u6700\u4f73\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p>\u8ddf\u8e2a\u76f8\u5173\u6307\u6807\uff0c\u4ee5\u9a8c\u8bc1\u8c03\u4f18\u6548\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u624b\u52a8\u8986\u76d6\u80fd\u5e26\u6765\u66f4\u9ad8\u7075\u6d3b\u6027\uff0c\u4f46\u4f60\u5fc5\u987b\u6d4b\u8bd5\u8fd9\u4e9b\u8bbe\u7f6e\uff0c\u4ee5\u907f\u514d\u7cfb\u7edf\u4e0d\u7a33\u5b9a\u3002<\/p>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<p>\u5c06\u81ea\u52a8\u8c03\u4f18\u4e0e\u624b\u52a8\u8c03\u6574\u7ed3\u5408\u8d77\u6765\uff0c\u901a\u5e38\u80fd\u83b7\u5f97\u6700\u4f73\u6548\u679c\u3002\u4f60\u53ef\u4ee5\u8ba9 Linux \u5904\u7406\u5927\u90e8\u5206 TCP \u8c03\u4f18\u5de5\u4f5c\uff0c\u4f46\u5f53\u5de5\u4f5c\u8d1f\u8f7d\u9700\u8981\u989d\u5916\u6027\u80fd\u65f6\u518d\u4ecb\u5165\u3002\u4f60\u5e94\u8bb0\u5f55\u6240\u6709\u66f4\u6539\u5e76\u76d1\u63a7\u5176\u5f71\u54cd\u3002\u4f7f\u7528\u6301\u4e45\u5316\u914d\u7f6e\u6587\u4ef6\u53ef\u786e\u4fdd\u91cd\u542f\u540e\u8bbe\u7f6e\u4ecd\u7136\u4fdd\u7559\u3002\u4f60\u8fd8\u5e94\u5b9a\u671f\u67e5\u770b\u76f8\u5173\u6307\u6807\uff0c\u4ee5\u4fbf\u5c3d\u65e9\u53d1\u73b0\u95ee\u9898\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5b9e\u8df5<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6536\u76ca<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5927\u591a\u6570\u573a\u666f\u4f7f\u7528\u81ea\u52a8\u8c03\u4f18<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6027\u80fd\u7a33\u5b9a\u4e14\u5177\u5907\u81ea\u9002\u5e94\u80fd\u529b<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6309\u9700\u5e94\u7528\u624b\u52a8\u8986\u76d6<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e3a\u7279\u6b8a\u9700\u6c42\u63d0\u4f9b\u66f4\u591a\u63a7\u5236\u529b<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u76d1\u63a7\u76f8\u5173\u6307\u6807<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u53ca\u65e9\u53d1\u73b0\u95ee\u9898<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8bb0\u5f55\u5e76\u6301\u4e45\u5316\u8bbe\u7f6e<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7ed3\u679c\u53ef\u9760\u4e14\u53ef\u91cd\u590d<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4f60\u53ef\u4ee5\u63d0\u5347\u7f51\u7edc\u7a33\u5b9a\u6027\u548c\u901f\u5ea6\u3002TCP \u4f18\u5316\u5f80\u5f80\u9700\u8981\u81ea\u52a8\u8c03\u4f18\u4e0e\u624b\u52a8\u8c03\u4f18\u76f8\u7ed3\u5408\uff0c\u624d\u80fd\u8fbe\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n<h2>\u6545\u969c\u6392\u67e5\u4e0e\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u5ef6\u8fdf\u7a81\u589e<\/h3>\n<p>\u5728\u4f7f\u7528\u8fde\u63a5\u65f6\uff0c\u4f60\u53ef\u80fd\u4f1a\u6ce8\u610f\u5230\u5ef6\u8fdf\u7a81\u7136\u5347\u9ad8\u3002\u5ef6\u8fdf\u7a81\u589e\u4f1a\u5e72\u6270\u5e94\u7528\u8fd0\u884c\uff0c\u5e76\u8ba9\u7528\u6237\u4f53\u9a8c\u53d8\u5dee\u3002\u5bfc\u81f4\u8fd9\u79cd\u60c5\u51b5\u7684\u56e0\u7d20\u6709\u5f88\u591a\uff1a<\/p>\n<ul>\n<li>\n<p>\u7f51\u7edc\u94fe\u8def\u8d28\u91cf\u53d8\u5316\u3002\u4efb\u4f55\u7f51\u7edc\u8282\u70b9\u4e0a\u7684\u62e5\u585e\u6216\u6545\u969c\u90fd\u53ef\u80fd\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<li>\n<p>\u670d\u52a1\u5668\u6027\u80fd\u4e0b\u964d\u3002CPU \u8fc7\u8f7d\u6216\u5185\u5b58\u4e0d\u8db3\u90fd\u4f1a\u51cf\u6162\u5904\u7406\u901f\u5ea6\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f51\u7edc\u653b\u51fb\u3002DDoS \u653b\u51fb\u53ef\u80fd\u8017\u5c3d\u670d\u52a1\u5668\u8d44\u6e90\u5e76\u5bfc\u81f4\u663e\u8457\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u9009\u62e9\u9ad8\u8d28\u91cf\u7684\u7f51\u7edc\u670d\u52a1\u63d0\u4f9b\u5546\u6765\u51cf\u5c11\u5ef6\u8fdf\u7a81\u589e\u3002\u8fd8\u53ef\u4ee5\u4f18\u5316\u670d\u52a1\u5668\u4e0a\u7684 TCP\/IP \u534f\u8bae\u6808\u53c2\u6570\uff0c\u5e76\u90e8\u7f72\u6d41\u91cf\u6e05\u6d17\u670d\u52a1\u4ee5\u9632\u5fa1 DDoS \u653b\u51fb\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u4fdd\u6301\u8fde\u63a5\u7a33\u5b9a\u5e76\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u5b9a\u671f\u76d1\u63a7\u7f51\u7edc\uff0c\u53ef\u4ee5\u53ca\u65e9\u53d1\u73b0\u5ef6\u8fdf\u7a81\u589e\u5e76\u9632\u6b62\u95ee\u9898\u6269\u5927\u3002<\/p>\n<\/blockquote>\n<h3>TCP \u5d29\u6e83<\/h3>\n<p>\u5f53\u7f51\u7edc\u8fc7\u8f7d\u4e14\u65e0\u6cd5\u9ad8\u6548\u5904\u7406\u6570\u636e\u5305\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f TCP \u5d29\u6e83\u3002\u4f60\u53ef\u80fd\u4f1a\u770b\u5230\u541e\u5410\u91cf\u6025\u5267\u4e0b\u964d\uff0c\u91cd\u4f20\u6b21\u6570\u589e\u52a0\u3002\u8fd9\u4e2a\u95ee\u9898\u901a\u5e38\u51fa\u73b0\u5728\u9ad8\u6d41\u91cf\u60c5\u51b5\u4e0b\uff0c\u6216\u8005\u7f13\u51b2\u533a\u5927\u5c0f\u8bbe\u7f6e\u4e0d\u5f53\u65f6\u3002\u5982\u679c TCP \u7f13\u51b2\u533a\u586b\u6ee1\u7684\u901f\u5ea6\u5feb\u4e8e\u91ca\u653e\u7684\u901f\u5ea6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u8fdb\u5165\u5d29\u6e83\u72b6\u6001\u3002\u5e94\u7528\u7a0b\u5e8f\u4f1a\u53d8\u6162\uff0c\u7528\u6237\u4e5f\u4f1a\u611f\u53d7\u5230\u660e\u663e\u5ef6\u8fdf\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u4f18\u7f13\u51b2\u533a\u5927\u5c0f\u548c\u76d1\u63a7\u7f51\u7edc\u8d1f\u8f7d\u6765\u9632\u6b62 TCP \u5d29\u6e83\u3002\u8fd8\u8981\u786e\u4fdd\u670d\u52a1\u5668\u786c\u4ef6\u80fd\u591f\u5339\u914d\u4f60\u7684\u6d41\u91cf\u9700\u6c42\u3002\u4f7f\u7528 BBR \u4e4b\u7c7b\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u4e5f\u6709\u52a9\u4e8e\u7cfb\u7edf\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u7f51\u7edc\u72b6\u51b5\u3002<\/p>\n<h3>\u53ef\u6267\u884c\u7684\u89e3\u51b3\u65b9\u6848<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u7b56\u7565\u6765\u89e3\u51b3\u5e38\u89c1\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\n<p>\u8c03\u6574\u670d\u52a1\u5668 TCP \u7a97\u53e3\u5927\u5c0f\u3002\u8fd9\u80fd\u63d0\u9ad8\u9ad8\u5ef6\u8fdf\u94fe\u8def\u4e0a\u7684\u6570\u636e\u541e\u5410\u80fd\u529b\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528 Keep-Alive\u3002\u8fd9\u53ef\u4ee5\u51cf\u5c11\u591a\u6b21\u63e1\u624b\u5e76\u63d0\u5347\u8fde\u63a5\u6548\u7387\u3002<\/p>\n<\/li>\n<li>\n<p>\u76d1\u63a7\u91cd\u4f20\u7387\u548c\u5f80\u8fd4\u65f6\u5ef6\u7b49\u6307\u6807\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u7f51\u7edc\u6027\u80fd\u5de5\u5177\u6d4b\u8bd5\u4f60\u7684\u66f4\u6539\uff0c\u4ee5\u786e\u8ba4\u662f\u5426\u83b7\u5f97\u6539\u5584\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u89e3\u51b3\u65b9\u6848\u6709\u52a9\u4e8e\u4f60\u7ef4\u6301\u53ef\u9760\u8fde\u63a5\u5e76\u63d0\u4f9b\u7a33\u5b9a\u4e00\u81f4\u7684\u6027\u80fd\u3002<\/p>\n<blockquote>\n<p>\u6ce8\u610f\uff1a\u8bb0\u5f55\u4f60\u7684\u8bbe\u7f6e\u5e76\u5b9a\u671f\u5ba1\u67e5\u5b83\u4eec\uff0c\u6709\u52a9\u4e8e\u4fdd\u6301\u7f51\u7edc\u5065\u5eb7\u8fd0\u884c\u3002<\/p>\n<\/blockquote>\n<h2>\u57fa\u51c6\u6d4b\u8bd5\u4e0e\u6548\u679c\u9a8c\u8bc1<\/h2>\n<h3>\u6d4b\u8bd5\u5de5\u5177<\/h3>\n<p>\u4f60\u9700\u8981\u53ef\u9760\u7684\u5de5\u5177\u6765\u8861\u91cf TCP \u4f18\u5316\u5e26\u6765\u7684\u5f71\u54cd\u3002\u51c6\u786e\u7684\u57fa\u51c6\u6d4b\u8bd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u770b\u5230\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\u65b9\u9762\u7684\u771f\u5b9e\u6539\u8fdb\u3002Netperf \u662f\u6d4b\u8bd5\u6027\u80fd\u7684\u4f18\u79c0\u9009\u62e9\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 Netperf \u8fd0\u884c\u4e0d\u540c\u6d4b\u8bd5\uff0c\u5e76\u83b7\u5f97\u6e05\u6670\u7684\u7ed3\u679c\u3002<\/p>\n<ul>\n<li>\n<p>Netperf \u53ef\u5728\u4f18\u5316\u540e\u6d4b\u91cf TCP \u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528 TCP_STREAM \u6d4b\u8bd5\u541e\u5410\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528 TCP_RR \u68c0\u67e5\u4e8b\u52a1\u5904\u7406\u901f\u7387\u3002<\/p>\n<\/li>\n<li>\n<p>Netperf \u91c7\u7528\u5ba2\u6237\u7aef\u2014\u670d\u52a1\u5668\u6a21\u578b\u8fdb\u884c\u7aef\u5230\u7aef\u6d4b\u8bd5\u3002<\/p>\n<\/li>\n<li>\n<p>\u8be5\u5de5\u5177\u53ef\u63d0\u4f9b TCP \u548c UDP \u7684\u541e\u5410\u91cf\u3001\u5ef6\u8fdf\u53ca\u8fde\u63a5\u901f\u7387\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 iperf \u548c iperf3\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u7528\u4e8e\u6d4b\u8bd5\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u5e26\u5bbd\u548c\u5ef6\u8fdf\u3002Wireshark \u5219\u80fd\u5e2e\u52a9\u4f60\u5206\u6790\u62a5\u6587\u6d41\u5e76\u53d1\u73b0\u95ee\u9898\u3002\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u5de5\u5177\u7ed3\u5408\u8d77\u6765\u4f7f\u7528\uff0c\u4ee5\u83b7\u5f97\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5b8c\u6574\u8ba4\u8bc6\u3002<\/p>\n<blockquote>\n<p>\u63d0\u793a\uff1a\u59cb\u7ec8\u5728\u771f\u5b9e\u73af\u5883\u6761\u4ef6\u4e0b\u8fd0\u884c\u6d4b\u8bd5\u3002\u8fd9\u6837\u5f97\u5230\u7684\u7ed3\u679c\u624d\u66f4\u7b26\u5408\u4f60\u7684\u5b9e\u9645\u5de5\u4f5c\u8d1f\u8f7d\u3002<\/p>\n<\/blockquote>\n<h3>\u7ed3\u679c\u89e3\u8bfb<\/h3>\n<p>\u4f60\u5fc5\u987b\u6b63\u786e\u7406\u89e3\u6d4b\u8bd5\u7ed3\u679c\uff0c\u624d\u80fd\u505a\u51fa\u5408\u7406\u51b3\u7b56\u3002\u91cd\u70b9\u5173\u6ce8\u541e\u5410\u91cf\u3001\u5ef6\u8fdf\u548c\u8fde\u63a5\u901f\u7387\u3002\u9ad8\u541e\u5410\u91cf\u610f\u5473\u7740\u7f51\u7edc\u53ef\u4ee5\u627f\u8f7d\u66f4\u591a\u6570\u636e\uff1b\u4f4e\u5ef6\u8fdf\u8bf4\u660e\u8fde\u63a5\u54cd\u5e94\u66f4\u5feb\u3002\u5982\u679c\u4f60\u770b\u5230\u8f83\u9ad8\u7684\u91cd\u4f20\u7387\uff0c\u53ef\u80fd\u5c31\u9700\u8981\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u6216\u62e5\u585e\u63a7\u5236\u8bbe\u7f6e\u3002<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 75px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6307\u6807<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u4ee3\u8868\u542b\u4e49<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u504f\u4f4e\/\u504f\u9ad8\u65f6\u5e94\u91c7\u53d6\u7684\u63aa\u65bd<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u541e\u5410\u91cf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u636e\u4f20\u8f93\u901f\u5ea6<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8c03\u4f18\u7f13\u51b2\u533a\uff0c\u68c0\u67e5\u62e5\u585e\u63a7\u5236<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5ef6\u8fdf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u54cd\u5e94\u65f6\u95f4<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f18\u5316 TCP \u8bbe\u7f6e\uff0c\u68c0\u67e5\u786c\u4ef6<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u91cd\u4f20<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e22\u5305\u60c5\u51b5<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8c03\u6574\u7f13\u51b2\u533a\uff0c\u6539\u5584\u94fe\u8def\u8d28\u91cf<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u4f60\u5e94\u6bd4\u8f83\u4f18\u5316\u524d\u540e\u7684\u6d4b\u8bd5\u7ed3\u679c\u3002\u5982\u679c\u770b\u5230\u4e86\u6539\u5584\uff0c\u8bf4\u660e\u66f4\u6539\u6709\u6548\uff1b\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u5e94\u91cd\u65b0\u68c0\u67e5\u8bbe\u7f6e\u5e76\u518d\u6b21\u6d4b\u8bd5\u3002\u4f60\u53ef\u4ee5\u91cd\u590d\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u76f4\u5230\u8fbe\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<blockquote>\n<p>\u6ce8\u610f\uff1a\u8bb0\u5f55\u6d4b\u8bd5\u7ed3\u679c\u548c\u6240\u505a\u7684\u66f4\u6539\u3002\u8fd9\u6709\u52a9\u4e8e\u4f60\u8ddf\u8e2a\u8fdb\u5c55\u5e76\u5728\u672a\u6765\u8fdb\u884c\u6545\u969c\u6392\u67e5\u3002<\/p>\n<\/blockquote>\n<div class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid;width: 100%\"><\/div>\n<\/div>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u4f18 TCP \u7f13\u51b2\u533a\u5927\u5c0f\u3001\u542f\u7528\u81ea\u52a8\u8c03\u4f18\u4ee5\u53ca\u9009\u62e9\u5408\u9002\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u6765\u63d0\u5347\u7f51\u7edc\u6027\u80fd\u3002\u5e73\u8861\u541e\u5410\u91cf\u4e0e\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u6539\u5584\u53ef\u9760\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u4f18\u5316\u5bf9\u5173\u952e\u6307\u6807\u7684\u5f71\u54cd\uff1a<\/p>\n<div class=\"qc-default-table-wrapper \">\n<table style=\"min-width: 50px\">\n<colgroup>\n<col style=\"min-width: 25px\">\n<col style=\"min-width: 25px\">\n    <\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6307\u6807<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u5bf9\u7f51\u7edc\u6027\u80fd\u7684\u5f71\u54cd<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5ef6\u8fdf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9ad8\u5ef6\u8fdf\u4f1a\u964d\u4f4e\u541e\u5410\u91cf\uff0c\u5e76\u5bfc\u81f4\u5e94\u7528\u4f53\u9a8c\u53d8\u5dee\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u541e\u5410\u91cf<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4f18\u5316\u6709\u52a9\u4e8e\u4f60\u66f4\u5feb\u8fbe\u5230\u6700\u5927\u5e26\u5bbd\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e22\u5305<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8c03\u6574\u53ef\u51cf\u5c11\u968f\u673a\u548c\u7a81\u53d1\u4e22\u5305\uff0c\u4f7f\u8fde\u63a5\u66f4\u52a0\u7a33\u5b9a\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>\u5feb\u901f\u68c0\u67e5\u6e05\u5355\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u8ba1\u7b97\u5e26\u5bbd\u65f6\u5ef6\u79ef\u3002<\/p>\n<\/li>\n<li>\n<p>\u6839\u636e\u4f60\u7684\u7f51\u7edc\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528 BBR \u62e5\u585e\u63a7\u5236\u3002<\/p>\n<\/li>\n<li>\n<p>\u76d1\u63a7\u6307\u6807\u5e76\u9a8c\u8bc1\u66f4\u6539\u6548\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u6301\u7eed\u6d4b\u8bd5\u5e76\u4e0d\u65ad\u5fae\u8c03\u8bbe\u7f6e\uff0c\u624d\u80fd\u83b7\u5f97\u6700\u4f73\u7ed3\u679c\u3002<\/p>\n<\/blockquote>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>\u4ec0\u4e48\u662f\u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08BDP\uff09\uff1f<\/h3>\n<p>BDP \u8868\u793a\u5728\u7b49\u5f85\u56de\u590d\u4e4b\u524d\uff0c\u4f60\u6700\u591a\u53ef\u4ee5\u53d1\u9001\u591a\u5c11\u6570\u636e\u3002\u5b83\u901a\u8fc7\u5c06\u7f51\u7edc\u901f\u5ea6\u4e58\u4ee5\u5f80\u8fd4\u65f6\u5ef6\u5f97\u5230\u3002\u8fd9\u4e2a\u503c\u6709\u52a9\u4e8e\u4f60\u8bbe\u7f6e\u5408\u9002\u7684\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u4ee5\u5b9e\u73b0\u5feb\u901f\u800c\u7a33\u5b9a\u7684\u8fde\u63a5\u3002<\/p>\n<h3>\u5982\u4f55\u68c0\u67e5 BBR \u62e5\u585e\u63a7\u5236\u662f\u5426\u5df2\u542f\u7528\uff1f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sysctl net.ipv4.tcp_congestion_control<\/code><\/pre>\n<p>\u5982\u679c\u8f93\u51fa\u4e2d\u663e\u793a \u201cbbr\u201d\uff0c\u5219\u8bf4\u660e BBR \u5df2\u542f\u7528\u3002<\/p>\n<h3>\u6211\u662f\u5426\u5e94\u59cb\u7ec8\u4e3a TCP \u7f13\u51b2\u533a\u542f\u7528\u81ea\u52a8\u8c03\u4f18\uff1f<\/h3>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4f60\u90fd\u53ef\u4ee5\u4f7f\u7528\u81ea\u52a8\u8c03\u4f18\u3002\u5b83\u4f1a\u6839\u636e\u7f51\u7edc\u72b6\u51b5\u52a8\u6001\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u5bf9\u4e8e\u7279\u6b8a\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u624b\u52a8\u8c03\u4f18\u5219\u80fd\u7ed9\u4f60\u66f4\u591a\u63a7\u5236\u6743\u3002<\/p>\n<h3>\u54ea\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u6d4b\u8bd5 TCP \u6027\u80fd\uff1f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528 Netperf\u3001iperf \u6216 Wireshark\u3002Netperf \u7528\u4e8e\u6d4b\u91cf\u541e\u5410\u91cf\u548c\u5ef6\u8fdf\uff1biperf \u7528\u4e8e\u6d4b\u8bd5\u4e3b\u673a\u4e4b\u95f4\u7684\u5e26\u5bbd\uff1bWireshark \u5219\u53ef\u4ee5\u5206\u6790\u62a5\u6587\u6d41\u3002<\/p>\n<h3>\u6211\u53ef\u4ee5\u5728 Windows \u4e0a\u4f18\u5316 TCP \u5417\uff1f<\/h3>\n<p>\u53ef\u4ee5\uff0c\u4f60\u80fd\u591f\u5728 Windows \u4e0a\u8c03\u4f18 TCP \u8bbe\u7f6e\u3002\u4f60\u53ef\u4ee5\u8c03\u6574\u7f13\u51b2\u533a\u5927\u5c0f\uff0c\u5e76\u542f\u7528 TCP \u7a97\u53e3\u6269\u5c55\u7b49\u529f\u80fd\u3002\u8fdb\u884c\u8fd9\u4e9b\u66f4\u6539\u65f6\uff0c\u53ef\u4f7f\u7528 PowerShell \u6216\u6ce8\u518c\u8868\u7f16\u8f91\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u4f18 TCP \u7f13\u51b2\u533a\u5927\u5c0f\u3001\u542f\u7528\u81ea\u52a8\u8c03\u4f18\uff0c\u4ee5\u53ca\u9009\u62e9\u5408\u9002\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u6765\u4f18\u5316 TCP \u8fde\u63a5\u3002\u8c03\u6574 TCP \u53c2\u6570\u53ef\u4ee5\u63d0\u5347\u541e\u5410\u91cf\u5e76\u964d\u4f4e\u5ef6\u8fdf\u3002\u4f8b\u5982\uff0c\u52a8\u6001\u63a5\u6536\u7f13\u51b2\u533a\u7ba1\u7406\u80fd\u591f\u9632\u6b62\u8fc7\u5ea6\u7f13\u51b2\u548c\u5ef6\u8fdf\u7a81\u589e\u3002\u4f60\u5c06\u5728\u672c\u6587\u4e2d\u627e\u5230\u6709\u5173 TCP \u4f18\u5316\u7684\u5b9e\u7528\u5efa\u8bae\u548c\u771f\u5b9e\u4e16\u754c\u7684\u6548\u679c\u8bf4\u660e\u3002 \u4e3a\u4ec0\u4e48\u8981\u4f18\u5316 TCP \u8fde\u63a5 \u6027\u80fd\u4e0e\u5ef6\u8fdf\u63d0\u5347 \u901a\u8fc7\u4f18\u5316 TCP \u8fde\u63a5\uff0c\u4f60\u53ef\u4ee5\u83b7\u5f97\u663e\u8457\u7684\u6027\u80fd\u548c\u5ef6\u8fdf\u6536\u76ca\u3002\u5f53\u4f60\u8c03\u4f18 TCP \u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5e94\u7528\u7a0b\u5e8f\u66f4\u9ad8\u6548\u5730\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u5408\u9002\u5927\u5c0f\u7684\u7f13\u51b2\u533a\u80fd\u591f\u9632\u6b62\u4e22\u5305\u5e76\u4fdd\u6301\u8f83\u4f4e\u5ef6\u8fdf\u3002\u8fd9\u4e00\u6b65\u5bf9\u9700\u8981\u5feb\u901f\u54cd\u5e94\u7684\u5e94\u7528\u7a0b\u5e8f\u5c24\u4e3a\u5173\u952e\u3002\u7a97\u53e3\u6269\u5c55\u5141\u8bb8\u4f60\u5728\u65e0\u9700\u7b49\u5f85\u6bcf\u4e2a\u786e\u8ba4\u5305\u7684\u60c5\u51b5\u4e0b\u53d1\u9001\u66f4\u591a\u6570\u636e\u3002\u56e0\u6b64\uff0c\u4f60\u4f1a\u770b\u5230\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u548c\u66f4\u5e73\u6ed1\u7684\u6570\u636e\u6d41\u3002\u73b0\u4ee3 TCP \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u80fd\u591f\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u7f51\u7edc\u6761\u4ef6\u3002\u8fd9\u4e9b\u7b97\u6cd5\u4f1a\u540c\u65f6\u6539\u5584\u5ef6\u8fdf\u548c\u541e\u5410\u91cf\uff0c\u7279\u522b\u9002\u5408\u4f9d\u8d56\u5b9e\u65f6\u901a\u4fe1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002 \u4f60\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u5728\u4f18\u5316\u8fde\u63a5\u4e4b\u540e\uff0c\u6027\u80fd\u53ef\u63d0\u5347 2 \u5230 10 \u500d\u3002\u5b9e\u9645\u63d0\u5347\u5e45\u5ea6\u53d6\u51b3\u4e8e\u7f51\u7edc\u72b6\u51b5\u7684\u4e25\u91cd\u7a0b\u5ea6\u3002\u50cf\u6d41\u538b\u7f29\u3001\u53bb\u91cd\u548c\u4e22\u5305\u6062\u590d\u7b49\u529f\u80fd\u4e5f\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u3002\u5f53\u4f60\u5904\u7406\u597d\u8fd9\u4e9b\u65b9\u9762\u65f6\uff0c\u5c31\u80fd\u51cf\u5c11\u5ef6\u8fdf\u5e76\u8ba9\u7f51\u7edc\u66f4\u52a0\u53ef\u9760\u3002 \u63d0\u793a\uff1a\u5373\u4f7f\u662f\u5bf9\u8bbe\u7f6e\u8fdb\u884c\u5f88\u5c0f\u7684\u8c03\u6574\uff0c\u4e5f\u53ef\u80fd\u663e\u8457\u63d0\u5347\u5e94\u7528\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u3002 \u4f55\u65f6\u9700\u8981\u4f18\u5316 \u5f53\u4f60\u7684\u7f51\u7edc\u9762\u4e34\u9ad8\u6d41\u91cf\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u6216\u9891\u7e41\u62e5\u585e\u65f6\uff0c\u5c31\u5e94\u8003\u8651\u8fdb\u884c TCP \u4f18\u5316\u3002\u5982\u679c\u4f60\u8fd0\u884c\u7684\u662f\u5927\u6587\u4ef6\u4f20\u8f93\u3001\u5a92\u4f53\u6d41\u64ad\u653e\uff0c\u6216\u8005\u9700\u8981\u540c\u65f6\u670d\u52a1\u5927\u91cf\u7528\u6237\u7684\u5e94\u7528\uff0cTCP \u8c03\u4f18\u5c31\u53d8\u5f97\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u8f7d\u7f13\u6162\u3001\u89c6\u9891\u5361\u987f\u6216\u7f51\u7edc\u6e38\u620f\u5ef6\u8fdf\u9ad8\uff0c\u901a\u5e38\u90fd\u8bf4\u660e\u5b58\u5728\u6027\u80fd\u74f6\u9888\u3002\u4f60\u53ef\u4ee5\u501f\u52a9 TCP \u4f18\u5316\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5e76\u63d0\u4f9b\u66f4\u597d\u7684\u4f7f\u7528\u4f53\u9a8c\u3002 \u5728\u4e91\u73af\u5883\u6216\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0cTCP \u4f18\u5316\u53ef\u5e2e\u52a9\u4f60\u5728\u4e0d\u589e\u52a0\u786c\u4ef6\u7684\u524d\u63d0\u4e0b\u5904\u7406\u66f4\u591a\u8fde\u63a5\u3002\u5f53\u4f60\u4e0e\u8fdc\u7a0b\u56e2\u961f\u534f\u4f5c\uff0c\u6216\u8005\u9700\u8981\u4e3a\u8de8\u6d32\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u65f6\uff0c\u4e5f\u4f1a\u770b\u5230\u660e\u663e\u6536\u76ca\u3002\u901a\u8fc7\u5173\u6ce8\u8fd9\u4e9b\u53c2\u6570\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u7f51\u7edc\u65e0\u8bba\u5728\u4f55\u79cd\u5de5\u4f5c\u8d1f\u8f7d\u4e0b\u90fd\u4fdd\u6301\u5feb\u901f\u548c\u7a33\u5b9a\u3002 \u9002\u5408\u8fdb\u884c\u4f18\u5316\u7684\u573a\u666f\u5305\u62ec\uff1a \u4f60\u6ce8\u610f\u5230\u9ad8\u5ef6\u8fdf\u6216\u4f20\u8f93\u7f13\u6162\u3002 \u4f60\u7684\u5e94\u7528\u9700\u8981\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u3002 \u4f60\u7684\u7f51\u7edc\u9700\u8981\u652f\u6301\u5927\u91cf\u5e76\u53d1\u7528\u6237\u3002 \u4f18\u5316 TCP \u7684\u5173\u952e\u53c2\u6570 \u63a5\u6536\u7a97\u53e3\u4e0e\u7f13\u51b2\u533a\u5927\u5c0f \u4f60\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u63a5\u6536\u7a97\u53e3\u548c\u7f13\u51b2\u533a\u5927\u5c0f\u6765\u63d0\u5347 TCP \u6027\u80fd\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u51b3\u5b9a\u4e86\u7cfb\u7edf\u5728\u7b49\u5f85\u786e\u8ba4\u4e4b\u524d\u53ef\u4ee5\u53d1\u9001\u6216\u63a5\u6536\u591a\u5c11\u6570\u636e\u3002\u5982\u679c\u7f13\u51b2\u533a\u8bbe\u7f6e\u5f97\u8fc7\u5c0f\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u4f20\u8f93\u7f13\u6162\u548c\u9ad8\u5ef6\u8fdf\uff1b\u5982\u679c\u8bbe\u7f6e\u5f97\u8fc7\u5927\uff0c\u5219\u53ef\u80fd\u6d6a\u8d39\u5185\u5b58\uff0c\u751a\u81f3\u5f15\u53d1\u989d\u5916\u5ef6\u8fdf\u3002\u5bf9\u4e8e\u9ad8\u5e26\u5bbd\u3001\u9ad8\u5ef6\u8fdf\u7684\u7f51\u7edc\uff0c\u4f60\u5e94\u9002\u5f53\u589e\u5927\u6700\u5927\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u8fd9\u6837\u6709\u52a9\u4e8e\u5145\u5206\u5229\u7528\u53ef\u7528\u5e26\u5bbd\u5e76\u4fdd\u6301\u8f83\u9ad8\u541e\u5410\u91cf\u3002BBR \u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u5728\u8fd9\u7c7b\u73af\u5883\u4e2d\u8868\u73b0\u826f\u597d\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u9002\u5e94\u53d8\u5316\u7684\u7f51\u7edc\u72b6\u51b5\uff0c\u5e76\u5e2e\u52a9\u4f60\u907f\u514d\u74f6\u9888\u3002 \u63d0\u793a\uff1a\u59cb\u7ec8\u8ba9\u7f13\u51b2\u533a\u5927\u5c0f\u4e0e\u7f51\u7edc\u901f\u5ea6\u548c\u65f6\u5ef6\u76f8\u5339\u914d\uff0c\u624d\u80fd\u83b7\u5f97\u6700\u4f73\u6548\u679c\u3002 \u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08BDP\uff09 \u4f60\u5e94\u8be5\u8ba1\u7b97\u5e26\u5bbd\u65f6\u5ef6\u79ef\uff08Bandwidth Delay Product\uff0c\u7b80\u79f0 BDP\uff09\uff0c\u4ee5\u786e\u5b9a TCP \u8fde\u63a5\u7684\u7406\u60f3\u7f13\u51b2\u533a\u5927\u5c0f\u3002BDP [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-optimize-tcp-connections\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":34602,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-34605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5982\u4f55\u4f18\u5316 TCP \u8fde\u63a5<\/title>\n<meta name=\"description\" content=\"\u901a\u8fc7\u8c03\u4f18\u7f13\u51b2\u533a\u5927\u5c0f\u3001\u542f\u7528\u81ea\u52a8\u8c03\u4f18\u4ee5\u53ca\u9009\u62e9\u5408\u9002\u7684\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\uff0c\u4f18\u5316 TCP \u7f51\u7edc\u8fde\u63a5\uff0c\u4ece\u800c\u83b7\u5f97\u66f4\u5feb\u4e14\u66f4\u53ef\u9760\u7684\u6027\u80fd\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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