{"id":18673,"date":"2024-05-04T08:03:19","date_gmt":"2024-05-04T00:03:19","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/optimizing-global-traffic-with-hk-cn2-server-hosting\/"},"modified":"2025-03-20T09:05:31","modified_gmt":"2025-03-20T01:05:31","slug":"optimizing-global-traffic-with-hk-cn2-server-hosting","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/optimizing-global-traffic-with-hk-cn2-server-hosting\/","title":{"rendered":"\u5982\u4f55\u5229\u7528\u9999\u6e2fCN2\u4f3a\u670d\u5668\u79df\u7528\u63d0\u5347\u5168\u7403\u6d41\u91cf\u7a69\u5b9a\u6027\uff1f"},"content":{"rendered":"<p>\u5c0d\u65bc\u8ffd\u6c42\u6700\u4f73\u7db2\u8def\u6548\u80fd\u7684\u6280\u8853\u5c08\u696d\u4eba\u58eb\u4f86\u8aaa\uff0c<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2fCN2\u4f3a\u670d\u5668\u79df\u7528<\/a>\u65b9\u6848\u662f\u7ba1\u7406\u5168\u7403\u6d41\u91cf\u7a69\u5b9a\u6027\u7684\u9769\u547d\u6027\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0eCN2\u57fa\u790e\u8a2d\u65bd\u7684\u6280\u8853\u7d30\u7bc0\uff0c\u4e26\u63d0\u4f9b\u53ef\u884c\u7684\u5be6\u65bd\u7b56\u7565\u3002\u7121\u8ad6\u60a8\u662f\u5728\u7ba1\u7406\u9ad8\u6d41\u91cf\u61c9\u7528\u3001\u904b\u884c\u95dc\u9375\u696d\u52d9\u670d\u52d9\uff0c\u9084\u662f\u512a\u5316\u570b\u969b\u6578\u64da\u50b3\u8f38\uff0c\u4e86\u89e3CN2\u6280\u8853\u5c0d\u65bc\u5be6\u73fe\u5353\u8d8a\u7684\u7db2\u8def\u6548\u80fd\u90fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2><strong>\u7406\u89e3CN2\u7db2\u8def\u67b6\u69cb<\/strong><\/h2>\n<p>CN2\uff08China Network 2\uff09\u662f\u4e2d\u570b\u96fb\u4fe1\u5c08\u9580\u70ba\u570b\u969b\u9023\u63a5\u8a2d\u8a08\u7684\u9ad8\u7d1a\u9aa8\u5e79\u7db2\u8def\u3002\u4f5c\u70ba\u4e00\u7d1a\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\uff0cCN2\u63d0\u4f9b\u5353\u8d8a\u7684\u8def\u7531\u512a\u5316\u548c\u5c08\u7528\u983b\u5bec\u5206\u914d\u3002CN2\u751f\u614b\u7cfb\u7d71\u4e2d\u5b58\u5728\u5169\u7a2e\u4e0d\u540c\u7684\u8b8a\u9ad4\uff0c\u5206\u5225\u670d\u52d9\u65bc\u4e0d\u540c\u7684\u4f7f\u7528\u5834\u666f\u548c\u6548\u80fd\u9700\u6c42\u3002<\/p>\n<p>CN2 GT\uff08Global Transit\uff09\u5728\u512a\u5316\u7684\u570b\u969b\u8def\u7531\u4e0a\u904b\u884c\u5171\u4eab\u9aa8\u5e79\u7db2\uff0c\u9069\u7528\u65bc\u4e00\u822c\u5546\u696d\u61c9\u7528\u3002\u800cCN2 GIA\uff08Global Internet Access\uff09\u901a\u904e\u512a\u8cea\u8def\u7531\u63d0\u4f9b\u5c08\u7528\u983b\u5bec\uff0c\u70ba\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u61c9\u7528\u63d0\u4f9b\u7121\u8207\u502b\u6bd4\u7684\u6548\u80fd\u3002\u9019\u4e9b\u8b8a\u9ad4\u5728\u67b6\u69cb\u4e0a\u7684\u5dee\u7570\u986f\u8457\u5f71\u97ff\u4e86\u5b83\u5011\u7684\u6548\u80fd\u7279\u5fb5\u548c\u4f7f\u7528\u5834\u666f\u3002<\/p>\n<pre><code>\r\n\/\/ \u7db2\u8def\u5ef6\u9072\u6e2c\u8a66\u6a23\u672c (ms)\r\n\u50b3\u7d71\u7db2\u8def: \r\n    \u9999\u6e2f -> \u7f8e\u570b\u897f\u90e8: 180-220ms\r\n    \u9999\u6e2f -> \u6b50\u6d32: 280-320ms\r\n    \u9999\u6e2f -> \u6771\u5357\u4e9e: 70-100ms\r\n\r\nCN2 GIA\u7db2\u8def:\r\n    \u9999\u6e2f -> \u7f8e\u570b\u897f\u90e8: 120-150ms\r\n    \u9999\u6e2f -> \u6b50\u6d32: 180-220ms\r\n    \u9999\u6e2f -> \u6771\u5357\u4e9e: 30-50ms\r\n\r\n\/\/ \u4e1f\u5305\u7387\u5c0d\u6bd4\r\n\u50b3\u7d71\u7db2\u8def: 1-3%\r\nCN2 GIA\u7db2\u8def: <0.1%\r\n<\/code><\/pre>\n<h2><strong>\u9999\u6e2fCN2\u57fa\u790e\u8a2d\u65bd\u7684\u6230\u7565\u512a\u52e2<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u70ba\u5168\u7403\u4e92\u806f\u7db2\u6a1e\u7d10\u7684\u6230\u7565\u4f4d\u7f6e\uff0c\u7d50\u5408CN2\u6280\u8853\uff0c\u70ba\u5168\u7403\u6d41\u91cf\u5206\u914d\u5275\u9020\u4e86\u6700\u4f73\u74b0\u5883\u3002\u9019\u4e00\u57fa\u790e\u8a2d\u65bd\u5229\u7528\u591a\u689d\u6d77\u5e95\u96fb\u7e9c\u548c\u9678\u5730\u7db2\u8def\uff0c\u78ba\u4fdd\u5197\u9918\u6027\u548c\u53ef\u9760\u6027\u3002\u9019\u500b\u5f37\u5927\u7684\u7db2\u8def\u57fa\u790e\u652f\u63f4\u5404\u7a2e\u95dc\u9375\u696d\u52d9\u61c9\u7528\u548c\u670d\u52d9\u3002<\/p>\n<p>\u6280\u8853\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8207\u5168\u7403\u4e3b\u8981ISP\u76f4\u63a5\u5c0d\u7b49\u4e92\u9023\uff0c\u6e1b\u5c11\u8df3\u6578\u548c\u5ef6\u9072<\/li>\n<li>\u652f\u63f4BGP\u4efb\u64ad\u6280\u8853\uff0c\u63d0\u5347\u8ca0\u8f09\u5e73\u8861\u548c\u5bb9\u932f\u80fd\u529b<\/li>\n<li>\u591a\u6b78\u5c6c\u7db2\u8def\u67b6\u69cb\u78ba\u4fdd\u6301\u7e8c\u9023\u901a\u6027<\/li>\n<li>\u786c\u9ad4\u7d1aDDoS\u9632\u8b77\uff0c\u7de9\u89e3\u5bb9\u91cf\u9ad8\u905410Tbps<\/li>\n<li>\u4f7f\u7528\u5148\u9032BGP\u7b97\u6cd5\u7684\u81ea\u52d5\u8def\u7531\u512a\u5316<\/li>\n<li>\u5728\u95dc\u9375\u5168\u7403\u4f4d\u7f6e\u90e8\u7f72\u591a\u500bPOP\u7bc0\u9ede<\/li>\n<\/ul>\n<h2><strong>\u5be6\u65bd\u6307\u5357\uff1a\u512a\u5316CN2\u6548\u80fd<\/strong><\/h2>\n<p>\u8981\u6700\u5927\u5316CN2\u7684\u6548\u80fd\uff0c\u9700\u8981\u4ed4\u7d30\u914d\u7f6e\u7cfb\u7d71\u53c3\u6578\u548c\u7db2\u8def\u8a2d\u5b9a\u3002\u4ee5\u4e0b\u6280\u8853\u914d\u7f6e\u4ee3\u8868\u4e86\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<pre><code>\r\n# TCP\u512a\u5316\u53c3\u6578\r\nnet.ipv4.tcp_congestion_control = bbr\r\nnet.core.wmem_max = 12582912\r\nnet.core.rmem_max = 12582912\r\nnet.ipv4.tcp_wmem = 4096 87380 12582912\r\nnet.ipv4.tcp_rmem = 4096 87380 12582912\r\nnet.ipv4.tcp_max_tw_buckets = 5000000\r\nnet.ipv4.tcp_fin_timeout = 30\r\nnet.ipv4.tcp_tw_reuse = 1\r\nnet.ipv4.tcp_fastopen = 3\r\n<\/code><\/pre>\n<p>\u9019\u4e9b\u8a2d\u5b9a\u5728\u4fdd\u6301\u9023\u63a5\u7a69\u5b9a\u6027\u7684\u540c\u6642\u512a\u5316\u4e86\u9ad8\u541e\u5410\u91cf\u5834\u666f\u4e0b\u7684TCP\u6548\u80fd\u3002\u7279\u5225\u662fBBR\u64c1\u585e\u63a7\u5236\u7b97\u6cd5\u986f\u8457\u63d0\u5347\u4e86\u9577\u8ddd\u96e2\u9023\u63a5\u7684\u6548\u80fd\u3002<\/p>\n<h2><strong>\u9ad8\u7d1a\u6d41\u91cf\u7ba1\u7406\u7b56\u7565<\/strong><\/h2>\n<p>\u5be6\u65bd\u7a69\u5065\u7684\u6d41\u91cf\u7ba1\u7406\u5c0d\u65bc\u7dad\u6301\u6700\u4f73\u6548\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u8003\u616e\u4ee5\u4e0b\u9ad8\u7d1a\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n\/\/ \u8ca0\u8f09\u5e73\u8861\u5668\u914d\u7f6e\u793a\u4f8b\r\nupstream backend_servers {\r\n    least_conn;  # \u8ca0\u8f09\u5e73\u8861\u65b9\u6cd5\r\n    server backend1.example.com:8080 max_fails=3 fail_timeout=30s weight=5;\r\n    server backend2.example.com:8080 max_fails=3 fail_timeout=30s weight=5;\r\n    server backup1.example.com:8080 backup;\r\n    keepalive 32;\r\n    \r\n    check interval=3000 rise=2 fall=5 timeout=1000 type=http;\r\n    check_http_send \"HEAD \/ HTTP\/1.0\\r\\n\\r\\n\";\r\n    check_http_expect_alive http_2xx http_3xx;\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u5be6\u969b\u6548\u80fd\u5206\u6790<\/strong><\/h2>\n<p>\u6211\u5011\u5c0d\u751f\u7522\u74b0\u5883\u7684\u5206\u6790\u986f\u793a\uff0c\u5be6\u65bdCN2\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u5f8c\uff0c\u95dc\u9375\u6307\u6a19\u6709\u986f\u8457\u63d0\u5347\uff1a<\/p>\n<ul>\n<li>\u5ef6\u9072\u964d\u4f4e\uff1a\u56de\u61c9\u6642\u9593\u63d0\u534735-45%<\/li>\n<li>\u4e1f\u5305\u6539\u5584\uff1a\u5f9e1-3%\u964d\u4f4e\u5230\u4e0d\u52300.1%<\/li>\n<li>\u541e\u5410\u91cf\u63d0\u5347\uff1a\u6578\u64da\u50b3\u8f38\u7387\u63d0\u9ad840-60%<\/li>\n<li>\u9023\u63a5\u7a69\u5b9a\u6027\uff1a\u9054\u523099.99%\u7684\u904b\u884c\u6642\u9593<\/li>\n<li>DDoS\u9632\u8b77\uff1a\u904e\u6ffe99.9%\u7684\u653b\u64ca\u6d41\u91cf<\/li>\n<\/ul>\n<h2><strong>\u5b89\u5168\u5be6\u65bd\u6846\u67b6<\/strong><\/h2>\n<p>\u5b89\u5168\u63aa\u65bd\u5fc5\u9808\u5168\u9762\u4e14\u91dd\u5c0d\u6548\u80fd\u512a\u5316\u3002\u5be6\u65bd\u4ee5\u4e0b\u57fa\u672c\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n\/\/ \u9ad8\u7d1a\u9632\u706b\u7246\u898f\u5247\r\n# \u901f\u7387\u9650\u5236\r\niptables -A INPUT -p tcp --dport 80 -m limit --limit 25\/minute --limit-burst 100 -j ACCEPT\r\n\r\n# GeoIP\u904e\u6ffe\r\niptables -A INPUT -m geoip --src-cc CN,HK,SG -j ACCEPT\r\niptables -A INPUT -j DROP\r\n\r\n# DDoS\u9632\u8b77\r\niptables -A INPUT -p tcp --syn -m limit --limit 1\/s --limit-burst 3 -j ACCEPT\r\niptables -A INPUT -p tcp --syn -j DROP\r\n\r\n# \u9023\u63a5\u8ffd\u8e64\r\niptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\r\n<\/code><\/pre>\n<h2><strong>\u512a\u5316\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n<p>\u7dad\u6301\u6700\u4f73\u6548\u80fd\u9700\u8981\u6301\u7e8c\u76e3\u63a7\u548c\u8abf\u6574\u3002\u5be6\u65bd\u4ee5\u4e0b\u95dc\u9375\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u81ea\u52d5\u5316\u5de5\u5177\u9032\u884c\u5b9a\u671f\u7db2\u8def\u6548\u80fd\u7a3d\u6838<\/li>\n<li>\u914d\u5099\u5197\u9918\u7cfb\u7d71\u7684\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u6a5f\u5236<\/li>\n<li>\u901a\u904e\u6230\u7565\u6027\u5feb\u53d6\u90e8\u7f72\u512a\u5316\u5167\u5bb9\u5206\u767c<\/li>\n<li>\u9032\u884c\u6d41\u91cf\u6a21\u5f0f\u5206\u6790\u4ee5\u5be6\u73fe\u9810\u6e2c\u6027\u64f4\u5c55<\/li>\n<li>\u5b9a\u671f\u5b89\u5168\u7a3d\u6838\u548c\u6ef2\u900f\u6e2c\u8a66<\/li>\n<li>\u6839\u64da\u7522\u696d\u6a19\u6e96\u9032\u884c\u6548\u80fd\u57fa\u6e96\u6e2c\u8a66<\/li>\n<\/ul>\n<h2><strong>\u9762\u5411\u672a\u4f86\u7684\u57fa\u790e\u8a2d\u65bd\u898f\u5283<\/strong><\/h2>\n<p>\u7db2\u8def\u74b0\u5883\u6301\u7e8c\u5feb\u901f\u767c\u5c55\u3002\u901a\u904e\u5be6\u65bd\u9019\u4e9b\u65b0\u8208\u6280\u8853\u4fdd\u6301\u9818\u5148\uff1a<\/p>\n<ul>\n<li>\u652f\u63f4\u96d9\u68e7\u7684IPv6\u5be6\u65bd<\/li>\n<li>QUIC\u5354\u8b70\u652f\u63f4\u4ee5\u63d0\u5347\u79fb\u52d5\u6548\u80fd<\/li>\n<li>\u908a\u7de3\u904b\u7b97\u6574\u5408\u4ee5\u964d\u4f4e\u5ef6\u9072<\/li>\n<li>AI\u9a45\u52d5\u7684\u6d41\u91cf\u512a\u5316\u548c\u9810\u6e2c\u6027\u64f4\u5c55<\/li>\n<li>\u91cf\u5b50\u5b89\u5168\u52a0\u5bc6\u6e96\u5099<\/li>\n<li>\u5bb9\u5668\u539f\u751f\u7db2\u8def\u529f\u80fd\u652f\u63f4<\/li>\n<\/ul>\n<p>\u7e3d\u4e4b\uff0c\u9999\u6e2fCN2\u4f3a\u670d\u5668\u79df\u7528\u70ba\u5168\u7403\u6d41\u91cf\u7ba1\u7406\u63d0\u4f9b\u4e86\u4f01\u696d\u7d1a\u57fa\u790e\u3002\u901a\u904e\u8a8d\u771f\u5be6\u65bd\u4e0a\u8ff0\u6280\u8853\u7b56\u7565\uff0c\u7d44\u7e54\u53ef\u4ee5\u5728\u7db2\u8def\u7a69\u5b9a\u6027\u548c\u6548\u80fd\u65b9\u9762\u53d6\u5f97\u986f\u8457\u6539\u9032\u3002\u5728\u9019\u500b\u5145\u6eff\u6d3b\u529b\u7684\u6578\u4f4d\u74b0\u5883\u4e2d\uff0c\u6301\u7e8c\u76e3\u63a7\u7522\u696d\u767c\u5c55\u4e26\u8abf\u6574\u914d\u7f6e\u4ee5\u7372\u5f97\u6700\u4f73\u6548\u679c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c0d\u65bc\u8ffd\u6c42\u6700\u4f73\u7db2\u8def\u6548\u80fd\u7684\u6280\u8853\u5c08\u696d\u4eba\u58eb\u4f86\u8aaa\uff0c\u9999\u6e2fCN2\u4f3a\u670d\u5668\u79df\u7528\u65b9\u6848\u662f\u7ba1\u7406\u5168\u7403\u6d41\u91cf\u7a69\u5b9a\u6027\u7684\u9769\u547d\u6027\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6307\u5357\u6df1 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