{"id":18672,"date":"2024-05-04T08:03:19","date_gmt":"2024-05-04T00:03:19","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/optimizing-global-traffic-with-hk-cn2-server-hosting\/"},"modified":"2025-03-20T09:06:17","modified_gmt":"2025-03-20T01:06:17","slug":"optimizing-global-traffic-with-hk-cn2-server-hosting","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/optimizing-global-traffic-with-hk-cn2-server-hosting\/","title":{"rendered":"\u5982\u4f55\u5229\u7528\u9999\u6e2fCN2\u670d\u52a1\u5668\u79df\u7528\u63d0\u5347\u5168\u7403\u6d41\u91cf\u7a33\u5b9a\u6027\uff1f"},"content":{"rendered":"<p>\u5bf9\u4e8e\u8ffd\u6c42\u6700\u4f73\u7f51\u7edc\u6027\u80fd\u7684\u6280\u672f\u4e13\u4e1a\u4eba\u58eb\u6765\u8bf4\uff0c<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2fCN2\u670d\u52a1\u5668\u79df\u7528<\/a>\u65b9\u6848\u662f\u7ba1\u7406\u5168\u7403\u6d41\u91cf\u7a33\u5b9a\u6027\u7684\u9769\u547d\u6027\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8ba8CN2\u57fa\u7840\u8bbe\u65bd\u7684\u6280\u672f\u7ec6\u8282\uff0c\u5e76\u63d0\u4f9b\u53ef\u884c\u7684\u5b9e\u65bd\u7b56\u7565\u3002\u65e0\u8bba\u60a8\u662f\u5728\u7ba1\u7406\u9ad8\u6d41\u91cf\u5e94\u7528\u3001\u8fd0\u884c\u5173\u952e\u4e1a\u52a1\u670d\u52a1\uff0c\u8fd8\u662f\u4f18\u5316\u56fd\u9645\u6570\u636e\u4f20\u8f93\uff0c\u4e86\u89e3CN2\u6280\u672f\u5bf9\u4e8e\u5b9e\u73b0\u5353\u8d8a\u7684\u7f51\u7edc\u6027\u80fd\u90fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2><strong>\u7406\u89e3CN2\u7f51\u7edc\u67b6\u6784<\/strong><\/h2>\n<p>CN2\uff08China Network 2\uff09\u662f\u4e2d\u56fd\u7535\u4fe1\u4e13\u95e8\u4e3a\u56fd\u9645\u8fde\u63a5\u8bbe\u8ba1\u7684\u9ad8\u7ea7\u9aa8\u5e72\u7f51\u7edc\u3002\u4f5c\u4e3a\u4e00\u7ea7\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\uff0cCN2\u63d0\u4f9b\u5353\u8d8a\u7684\u8def\u7531\u4f18\u5316\u548c\u4e13\u7528\u5e26\u5bbd\u5206\u914d\u3002CN2\u751f\u6001\u7cfb\u7edf\u4e2d\u5b58\u5728\u4e24\u79cd\u4e0d\u540c\u7684\u53d8\u4f53\uff0c\u5206\u522b\u670d\u52a1\u4e8e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u548c\u6027\u80fd\u9700\u6c42\u3002<\/p>\n<p>CN2 GT\uff08Global Transit\uff09\u5728\u4f18\u5316\u7684\u56fd\u9645\u8def\u7531\u4e0a\u8fd0\u884c\u5171\u4eab\u9aa8\u5e72\u7f51\uff0c\u9002\u7528\u4e8e\u4e00\u822c\u5546\u4e1a\u5e94\u7528\u3002\u800cCN2 GIA\uff08Global Internet Access\uff09\u901a\u8fc7\u4f18\u8d28\u8def\u7531\u63d0\u4f9b\u4e13\u7528\u5e26\u5bbd\uff0c\u4e3a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u63d0\u4f9b\u65e0\u4e0e\u4f26\u6bd4\u7684\u6027\u80fd\u3002\u8fd9\u4e9b\u53d8\u4f53\u5728\u67b6\u6784\u4e0a\u7684\u5dee\u5f02\u663e\u8457\u5f71\u54cd\u4e86\u5b83\u4eec\u7684\u6027\u80fd\u7279\u5f81\u548c\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<pre><code>\r\n\/\/ \u7f51\u7edc\u5ef6\u8fdf\u6d4b\u8bd5\u6837\u672c (ms)\r\n\u4f20\u7edf\u7f51\u7edc: \r\n    \u9999\u6e2f -> \u7f8e\u56fd\u897f\u90e8: 180-220ms\r\n    \u9999\u6e2f -> \u6b27\u6d32: 280-320ms\r\n    \u9999\u6e2f -> \u4e1c\u5357\u4e9a: 70-100ms\r\n\r\nCN2 GIA\u7f51\u7edc:\r\n    \u9999\u6e2f -> \u7f8e\u56fd\u897f\u90e8: 120-150ms\r\n    \u9999\u6e2f -> \u6b27\u6d32: 180-220ms\r\n    \u9999\u6e2f -> \u4e1c\u5357\u4e9a: 30-50ms\r\n\r\n\/\/ \u4e22\u5305\u7387\u5bf9\u6bd4\r\n\u4f20\u7edf\u7f51\u7edc: 1-3%\r\nCN2 GIA\u7f51\u7edc: <0.1%\r\n<\/code><\/pre>\n<h2><strong>\u9999\u6e2fCN2\u57fa\u7840\u8bbe\u65bd\u7684\u6218\u7565\u4f18\u52bf<\/strong><\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u5168\u7403\u4e92\u8054\u7f51\u67a2\u7ebd\u7684\u6218\u7565\u4f4d\u7f6e\uff0c\u7ed3\u5408CN2\u6280\u672f\uff0c\u4e3a\u5168\u7403\u6d41\u91cf\u5206\u914d\u521b\u9020\u4e86\u6700\u4f73\u73af\u5883\u3002\u8fd9\u4e00\u57fa\u7840\u8bbe\u65bd\u5229\u7528\u591a\u6761\u6d77\u5e95\u7535\u7f06\u548c\u9646\u5730\u7f51\u7edc\uff0c\u786e\u4fdd\u5197\u4f59\u6027\u548c\u53ef\u9760\u6027\u3002\u8fd9\u4e2a\u5f3a\u5927\u7684\u7f51\u7edc\u57fa\u7840\u652f\u6301\u5404\u79cd\u5173\u952e\u4e1a\u52a1\u5e94\u7528\u548c\u670d\u52a1\u3002<\/p>\n<p>\u6280\u672f\u4f18\u52bf\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u4e0e\u5168\u7403\u4e3b\u8981ISP\u76f4\u63a5\u5bf9\u7b49\u4e92\u8054\uff0c\u51cf\u5c11\u8df3\u6570\u548c\u5ef6\u8fdf<\/li>\n<li>\u652f\u6301BGP\u4efb\u64ad\u6280\u672f\uff0c\u63d0\u5347\u8d1f\u8f7d\u5747\u8861\u548c\u5bb9\u9519\u80fd\u529b<\/li>\n<li>\u591a\u5f52\u5c5e\u7f51\u7edc\u67b6\u6784\u786e\u4fdd\u6301\u7eed\u8fde\u901a\u6027<\/li>\n<li>\u786c\u4ef6\u7ea7DDoS\u9632\u62a4\uff0c\u7f13\u89e3\u5bb9\u91cf\u9ad8\u8fbe10Tbps<\/li>\n<li>\u4f7f\u7528\u5148\u8fdbBGP\u7b97\u6cd5\u7684\u81ea\u52a8\u8def\u7531\u4f18\u5316<\/li>\n<li>\u5728\u5173\u952e\u5168\u7403\u4f4d\u7f6e\u90e8\u7f72\u591a\u4e2aPOP\u8282\u70b9<\/li>\n<\/ul>\n<h2><strong>\u5b9e\u65bd\u6307\u5357\uff1a\u4f18\u5316CN2\u6027\u80fd<\/strong><\/h2>\n<p>\u8981\u6700\u5927\u5316CN2\u7684\u6027\u80fd\uff0c\u9700\u8981\u4ed4\u7ec6\u914d\u7f6e\u7cfb\u7edf\u53c2\u6570\u548c\u7f51\u7edc\u8bbe\u7f6e\u3002\u4ee5\u4e0b\u6280\u672f\u914d\u7f6e\u4ee3\u8868\u4e86\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<pre><code>\r\n# TCP\u4f18\u5316\u53c2\u6570\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>\u8fd9\u4e9b\u8bbe\u7f6e\u5728\u4fdd\u6301\u8fde\u63a5\u7a33\u5b9a\u6027\u7684\u540c\u65f6\u4f18\u5316\u4e86\u9ad8\u541e\u5410\u91cf\u573a\u666f\u4e0b\u7684TCP\u6027\u80fd\u3002\u7279\u522b\u662fBBR\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u663e\u8457\u63d0\u5347\u4e86\u957f\u8ddd\u79bb\u8fde\u63a5\u7684\u6027\u80fd\u3002<\/p>\n<h2><strong>\u9ad8\u7ea7\u6d41\u91cf\u7ba1\u7406\u7b56\u7565<\/strong><\/h2>\n<p>\u5b9e\u65bd\u7a33\u5065\u7684\u6d41\u91cf\u7ba1\u7406\u5bf9\u4e8e\u7ef4\u6301\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u8003\u8651\u4ee5\u4e0b\u9ad8\u7ea7\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n\/\/ \u8d1f\u8f7d\u5747\u8861\u5668\u914d\u7f6e\u793a\u4f8b\r\nupstream backend_servers {\r\n    least_conn;  # \u8d1f\u8f7d\u5747\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>\u5b9e\u9645\u6027\u80fd\u5206\u6790<\/strong><\/h2>\n<p>\u6211\u4eec\u5bf9\u751f\u4ea7\u73af\u5883\u7684\u5206\u6790\u663e\u793a\uff0c\u5b9e\u65bdCN2\u670d\u52a1\u5668\u79df\u7528\u89e3\u51b3\u65b9\u6848\u540e\uff0c\u5173\u952e\u6307\u6807\u6709\u663e\u8457\u63d0\u5347\uff1a<\/p>\n<ul>\n<li>\u5ef6\u8fdf\u964d\u4f4e\uff1a\u54cd\u5e94\u65f6\u95f4\u63d0\u534735-45%<\/li>\n<li>\u4e22\u5305\u6539\u5584\uff1a\u4ece1-3%\u964d\u4f4e\u5230\u4e0d\u52300.1%<\/li>\n<li>\u541e\u5410\u91cf\u63d0\u5347\uff1a\u6570\u636e\u4f20\u8f93\u7387\u63d0\u9ad840-60%<\/li>\n<li>\u8fde\u63a5\u7a33\u5b9a\u6027\uff1a\u8fbe\u523099.99%\u7684\u8fd0\u884c\u65f6\u95f4<\/li>\n<li>DDoS\u9632\u62a4\uff1a\u8fc7\u6ee499.9%\u7684\u653b\u51fb\u6d41\u91cf<\/li>\n<\/ul>\n<h2><strong>\u5b89\u5168\u5b9e\u65bd\u6846\u67b6<\/strong><\/h2>\n<p>\u5b89\u5168\u63aa\u65bd\u5fc5\u987b\u5168\u9762\u4e14\u9488\u5bf9\u6027\u80fd\u4f18\u5316\u3002\u5b9e\u65bd\u4ee5\u4e0b\u57fa\u672c\u914d\u7f6e\uff1a<\/p>\n<pre><code>\r\n\/\/ \u9ad8\u7ea7\u9632\u706b\u5899\u89c4\u5219\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\u8fc7\u6ee4\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\u62a4\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# \u8fde\u63a5\u8ddf\u8e2a\r\niptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\r\n<\/code><\/pre>\n<h2><strong>\u4f18\u5316\u6700\u4f73\u5b9e\u8df5<\/strong><\/h2>\n<p>\u7ef4\u6301\u6700\u4f73\u6027\u80fd\u9700\u8981\u6301\u7eed\u76d1\u63a7\u548c\u8c03\u6574\u3002\u5b9e\u65bd\u4ee5\u4e0b\u5173\u952e\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u8fdb\u884c\u5b9a\u671f\u7f51\u7edc\u6027\u80fd\u5ba1\u8ba1<\/li>\n<li>\u914d\u5907\u5197\u4f59\u7cfb\u7edf\u7684\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u673a\u5236<\/li>\n<li>\u901a\u8fc7\u6218\u7565\u6027\u7f13\u5b58\u90e8\u7f72\u4f18\u5316\u5185\u5bb9\u5206\u53d1<\/li>\n<li>\u8fdb\u884c\u6d41\u91cf\u6a21\u5f0f\u5206\u6790\u4ee5\u5b9e\u73b0\u9884\u6d4b\u6027\u6269\u5c55<\/li>\n<li>\u5b9a\u671f\u5b89\u5168\u5ba1\u8ba1\u548c\u6e17\u900f\u6d4b\u8bd5<\/li>\n<li>\u6839\u636e\u884c\u4e1a\u6807\u51c6\u8fdb\u884c\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/li>\n<\/ul>\n<h2><strong>\u9762\u5411\u672a\u6765\u7684\u57fa\u7840\u8bbe\u65bd\u89c4\u5212<\/strong><\/h2>\n<p>\u7f51\u7edc\u73af\u5883\u6301\u7eed\u5feb\u901f\u53d1\u5c55\u3002\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u65b0\u5174\u6280\u672f\u4fdd\u6301\u9886\u5148\uff1a<\/p>\n<ul>\n<li>\u652f\u6301\u53cc\u6808\u7684IPv6\u5b9e\u65bd<\/li>\n<li>QUIC\u534f\u8bae\u652f\u6301\u4ee5\u63d0\u5347\u79fb\u52a8\u6027\u80fd<\/li>\n<li>\u8fb9\u7f18\u8ba1\u7b97\u96c6\u6210\u4ee5\u964d\u4f4e\u5ef6\u8fdf<\/li>\n<li>AI\u9a71\u52a8\u7684\u6d41\u91cf\u4f18\u5316\u548c\u9884\u6d4b\u6027\u6269\u5c55<\/li>\n<li>\u91cf\u5b50\u5b89\u5168\u52a0\u5bc6\u51c6\u5907<\/li>\n<li>\u5bb9\u5668\u539f\u751f\u7f51\u7edc\u529f\u80fd\u652f\u6301<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0c\u9999\u6e2fCN2\u670d\u52a1\u5668\u79df\u7528\u4e3a\u5168\u7403\u6d41\u91cf\u7ba1\u7406\u63d0\u4f9b\u4e86\u4f01\u4e1a\u7ea7\u57fa\u7840\u3002\u901a\u8fc7\u8ba4\u771f\u5b9e\u65bd\u4e0a\u8ff0\u6280\u672f\u7b56\u7565\uff0c\u7ec4\u7ec7\u53ef\u4ee5\u5728\u7f51\u7edc\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u65b9\u9762\u53d6\u5f97\u663e\u8457\u6539\u8fdb\u3002\u5728\u8fd9\u4e2a\u5145\u6ee1\u6d3b\u529b\u7684\u6570\u5b57\u73af\u5883\u4e2d\uff0c\u6301\u7eed\u76d1\u63a7\u884c\u4e1a\u53d1\u5c55\u5e76\u8c03\u6574\u914d\u7f6e\u4ee5\u83b7\u5f97\u6700\u4f73\u6548\u679c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u8ffd\u6c42\u6700\u4f73\u7f51\u7edc\u6027\u80fd\u7684\u6280\u672f\u4e13\u4e1a\u4eba\u58eb\u6765\u8bf4\uff0c\u9999\u6e2fCN2\u670d\u52a1\u5668\u79df\u7528\u65b9\u6848\u662f\u7ba1\u7406\u5168\u7403\u6d41\u91cf\u7a33\u5b9a\u6027\u7684\u9769\u547d\u6027\u89e3\u51b3\u65b9\u6848\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8ba8CN2\u57fa\u7840\u8bbe\u65bd\u7684\u6280\u672f\u7ec6\u8282\uff0c\u5e76\u63d0\u4f9b\u53ef\u884c\u7684\u5b9e\u65bd\u7b56\u7565\u3002\u65e0\u8bba\u60a8\u662f\u5728\u7ba1\u7406\u9ad8\u6d41\u91cf\u5e94\u7528\u3001\u8fd0\u884c\u5173\u952e\u4e1a\u52a1\u670d\u52a1\uff0c\u8fd8\u662f\u4f18\u5316\u56fd\u9645\u6570\u636e\u4f20\u8f93\uff0c\u4e86\u89e3CN2\u6280\u672f\u5bf9\u4e8e\u5b9e\u73b0\u5353\u8d8a\u7684\u7f51\u7edc\u6027\u80fd\u90fd\u81f3\u5173\u91cd\u8981\u3002 \u7406\u89e3CN2\u7f51\u7edc\u67b6\u6784 CN2\uff08China Network 2\uff09\u662f\u4e2d\u56fd\u7535\u4fe1\u4e13\u95e8\u4e3a\u56fd\u9645\u8fde\u63a5\u8bbe\u8ba1\u7684\u9ad8\u7ea7\u9aa8\u5e72\u7f51\u7edc\u3002\u4f5c\u4e3a\u4e00\u7ea7\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\uff0cCN2\u63d0\u4f9b\u5353\u8d8a\u7684\u8def\u7531\u4f18\u5316\u548c\u4e13\u7528\u5e26\u5bbd\u5206\u914d\u3002CN2\u751f\u6001\u7cfb\u7edf\u4e2d\u5b58\u5728\u4e24\u79cd\u4e0d\u540c\u7684\u53d8\u4f53\uff0c\u5206\u522b\u670d\u52a1\u4e8e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u548c\u6027\u80fd\u9700\u6c42\u3002 CN2 GT\uff08Global Transit\uff09\u5728\u4f18\u5316\u7684\u56fd\u9645\u8def\u7531\u4e0a\u8fd0\u884c\u5171\u4eab\u9aa8\u5e72\u7f51\uff0c\u9002\u7528\u4e8e\u4e00\u822c\u5546\u4e1a\u5e94\u7528\u3002\u800cCN2 GIA\uff08Global Internet Access\uff09\u901a\u8fc7\u4f18\u8d28\u8def\u7531\u63d0\u4f9b\u4e13\u7528\u5e26\u5bbd\uff0c\u4e3a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u63d0\u4f9b\u65e0\u4e0e\u4f26\u6bd4\u7684\u6027\u80fd\u3002\u8fd9\u4e9b\u53d8\u4f53\u5728\u67b6\u6784\u4e0a\u7684\u5dee\u5f02\u663e\u8457\u5f71\u54cd\u4e86\u5b83\u4eec\u7684\u6027\u80fd\u7279\u5f81\u548c\u4f7f\u7528\u573a\u666f\u3002 \/\/ \u7f51\u7edc\u5ef6\u8fdf\u6d4b\u8bd5\u6837\u672c (ms) \u4f20\u7edf\u7f51\u7edc: \u9999\u6e2f -> \u7f8e\u56fd\u897f\u90e8: 180-220ms \u9999\u6e2f -> \u6b27\u6d32: 280-320ms \u9999\u6e2f -> \u4e1c\u5357\u4e9a: 70-100ms CN2 GIA\u7f51\u7edc: \u9999\u6e2f -> \u7f8e\u56fd\u897f\u90e8: 120-150ms \u9999\u6e2f -> \u6b27\u6d32: 180-220ms \u9999\u6e2f -> \u4e1c\u5357\u4e9a: 30-50ms \/\/ \u4e22\u5305\u7387\u5bf9\u6bd4 \u4f20\u7edf\u7f51\u7edc: 1-3% CN2 GIA\u7f51\u7edc: [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/optimizing-global-traffic-with-hk-cn2-server-hosting\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":18669,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-18672","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 v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u5229\u7528\u9999\u6e2fCN2\u670d\u52a1\u5668\u79df\u7528\u63d0\u5347\u5168\u7403\u6d41\u91cf\u7a33\u5b9a\u6027\uff1f<\/title>\n<meta name=\"description\" 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