{"id":21943,"date":"2025-04-19T05:11:44","date_gmt":"2025-04-18T21:11:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/21943.html"},"modified":"2025-04-19T05:11:44","modified_gmt":"2025-04-18T21:11:44","slug":"%e6%b5%b7%e5%a4%96%e9%ab%98%e9%98%b2%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%bb%b6%e8%bf%9f%e4%bc%98%e5%8c%96-%e8%b7%a8%e5%9b%bd%e4%b8%9a%e5%8a%a1%e5%ae%89%e5%85%a8%e5%8a%a0%e9%80%9f%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/21943.html","title":{"rendered":"\u6d77\u5916\u9ad8\u9632\u670d\u52a1\u5668\u5ef6\u8fdf\u4f18\u5316\u2014\u2014\u8de8\u56fd\u4e1a\u52a1\u5b89\u5168\u52a0\u901f\u7684\u5e95\u5c42\u903b\u8f91"},"content":{"rendered":"

\u672c\u6587\u6df1\u5ea6\u89e3\u6790\u6d77\u5916\u9ad8\u9632\u670d\u52a1\u5668\u5ef6\u8fdf\u4f18\u5316\u7684\u6280\u672f\u5b9e\u73b0\u8def\u5f84，\u63ed\u793a\u8de8\u56fd\u4e1a\u52a1\u573a\u666f\u4e0bDDoS\u9632\u62a4\u4e0e\u7f51\u7edc\u6027\u80fd\u7684\u5e73\u8861\u6cd5\u5219\u3002\u4ece\u7269\u7406\u7ebf\u8def\u9009\u62e9\u5230\u534f\u8bae\u6808\u8c03\u4f18，\u4ece\u6d41\u91cf\u8c03\u5ea6\u7b97\u6cd5\u5230\u5b89\u5168\u68c0\u6d4b\u673a\u5236\u91cd\u6784，\u7cfb\u7edf\u9610\u8ff0\u964d\u4f4e20ms-50ms\u5ef6\u8fdf\u7684\u5de5\u7a0b\u5b9e\u8df5\u65b9\u6848，\u5e76\u96442023\u5e74\u4e1c\u5357\u4e9a\u7535\u5546\u5e73\u53f0\u6297300Gbps\u653b\u51fb\u7684\u5b9e\u6218\u4f18\u5316\u6848\u4f8b\u3002\"\"<\/p>\n

\u7269\u7406\u8ddd\u79bb\u4e0e\u7f51\u7edc\u62d3\u6251\u7684\u5148\u5929\u5236\u7ea6<\/p>\n

\u5149\u7f06\u4f20\u8f93\u65f6\u5ef6\u6784\u6210\u57fa\u7840\u5ef6\u8fdf\u9608\u503c\u3002\u5f53\u6d77\u5916\u9ad8\u9632\u670d\u52a1\u5668\u90e8\u7f72\u5728\u8ddd\u79bb\u4e1a\u52a1\u53d7\u4f172000\u516c\u91cc\u4ee5\u4e0a\u533a\u57df\u65f6，\u5373\u4f7f\u91c7\u7528\u4f18\u8d28\u6d77\u5e95\u5149\u7f06，\u5355\u5411\u7269\u7406\u4f20\u8f93\u5ef6\u8fdf\u4ecd\u8fbe\u523013-15ms\u3002\u65b0\u52a0\u5761\u81f3\u4e1c\u4eac\u768412800\u516c\u91cc\u8de8\u6d77\u94fe\u8def\u5b9e\u6d4b\u5ef6\u8fdf\u4e3a68ms，\u5176\u4e2d30%\u635f\u8017\u4ea7\u751f\u4e8e\u9646\u5730\u4e2d\u7ee7\u8282\u70b9\u3002\u5efa\u8bae\u4f18\u5148\u9009\u62e9\u5177\u5907\u591aPOP\u63a5\u5165\u70b9\u7684BGP\u673a\u623f，\u901a\u8fc7Anycast\u6280\u672f\u5b9e\u73b0\u7528\u6237\u5c31\u8fd1\u63a5\u5165\u3002<\/p>\n

\u5b89\u5168\u68c0\u6d4b\u673a\u5236\u5f15\u53d1\u7684\u9644\u52a0\u5ef6\u8fdf<\/p>\n

DDoS\u9632\u62a4\u8bbe\u5907\u6df1\u5ea6\u5305\u68c0\u6d4b\u6d88\u80173-7ms\u5904\u7406\u65f6\u95f4\u3002\u67d0\u5317\u7f8e\u91d1\u878d\u5e73\u53f0\u5b9e\u6d4b\u6570\u636e\u663e\u793a，\u542f\u7528CC\u653b\u51fb\u9632\u62a4\u89c4\u5219\u540e，HTTPS\u63e1\u624b\u5ef6\u8fdf\u4ece82ms\u589e\u81f3115ms\u3002\u91c7\u7528FPGA\u786c\u4ef6\u52a0\u901f\u7684\u6d41\u91cf\u6e05\u6d17\u65b9\u6848，\u53ef\u5c06SYN Cookie\u9a8c\u8bc1\u65f6\u95f4\u538b\u7f29\u81f30.8ms\u4ee5\u5185\u3002\u5173\u952e\u662f\u5728TCP\u534f\u8bae\u6808\u5b9e\u73b0\u5b89\u5168\u6821\u9a8c\u4e0e\u6570\u636e\u4f20\u8f93\u7684\u6d41\u6c34\u7ebf\u5e76\u884c\u5904\u7406\u3002<\/p>\n

BGP\u7ebf\u8def\u4f18\u9009\u7b97\u6cd5\u7684\u52a8\u6001\u8c03\u4f18<\/p>\n

\u57fa\u4e8e\u5b9e\u65f6\u4e22\u5305\u7387\u7684\u667a\u80fd\u8def\u7531\u5207\u6362\u964d\u4f4e15%\u6ce2\u52a8\u5ef6\u8fdf\u3002\u90e8\u7f72\u5728\u6cd5\u5170\u514b\u798f\u7684\u67d0\u6e38\u620f\u670d\u52a1\u5668\u96c6\u7fa4，\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u5206\u6790\u5404\u8fd0\u8425\u5546\u94fe\u8def\u8d28\u91cf，\u5f53\u68c0\u6d4b\u5230Telia\u7ebf\u8def\u4e22\u5305\u7387\u8d85\u8fc70.5%\u65f6，\u5728200ms\u5185\u81ea\u52a8\u5207\u6362\u81f3Deutsche Telekom\u4e3b\u5e72\u7f51\u3002\u8be5\u7b56\u7565\u4f7f\u4e9a\u592a\u73a9\u5bb6\u5e73\u5747\u5ef6\u8fdf\u4ece189ms\u4f18\u5316\u81f3162ms\u3002<\/p>\n

TCP\u534f\u8bae\u6808\u53c2\u6570\u7684\u7cbe\u5fae\u8c03\u6821<\/p>\n

\u7a97\u53e3\u7f29\u653e\u56e0\u5b50\u4e0e\u521d\u59cb\u62e5\u585e\u7a97\u53e3\u7684\u534f\u540c\u4f18\u5316\u63d0\u534720%\u541e\u5410\u91cf\u3002\u5c06Linux\u5185\u6838\u7684tcp_init_cwnd\u4ece10\u8c03\u6574\u4e3a24，\u914d\u5408BBR\u62e5\u585e\u63a7\u5236\u7b97\u6cd5，\u5728\u8de8\u5927\u897f\u6d0b\u94fe\u8def\u4e0a\u5b9e\u73b0\u5355\u8fde\u63a5\u5e26\u5bbd\u5229\u7528\u7387\u4ece65%\u63d0\u5347\u81f382%\u3002\u540c\u65f6\u9700\u8bbe\u7f6etcp_slow_start_after_idle=0\u9632\u6b62\u957f\u7a7a\u95f2\u8fde\u63a5\u6027\u80fd\u9000\u5316\u3002<\/p>\n

QUIC\u534f\u8bae\u5728\u6297DDoS\u573a\u666f\u4e0b\u7684\u521b\u65b0\u5e94\u7528<\/p>\n

0-RTT\u8fde\u63a5\u5efa\u7acb\u673a\u5236\u51cf\u5c11120ms\u63e1\u624b\u5ef6\u8fdf\u3002\u67d0\u89c6\u9891\u76f4\u64ad\u5e73\u53f0\u5728\u542f\u7528QUIC\u534f\u8bae\u540e，\u4e1c\u5357\u4e9a\u7528\u6237\u9996\u5c4f\u6253\u5f00\u65f6\u95f4\u7f29\u77ed40%\u3002\u901a\u8fc7\u5c06UDP\u7aef\u53e3\u968f\u673a\u5316\u4e0e\u4ee4\u724c\u9a8c\u8bc1\u7ed3\u5408，\u6709\u6548\u9632\u5fa1\u6bcf\u79d250\u4e07\u6b21\u7684\u53cd\u5c04\u653e\u5927\u653b\u51fb，\u4e14\u4e0d\u5f71\u54cd\u6b63\u5e38\u7528\u6237\u8fde\u63a5\u901f\u5ea6\u3002<\/p>\n

\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u4e2d\u5fc3\u96c6\u7fa4\u7684\u534f\u540c\u9632\u5fa1<\/p>\n

\u5206\u5e03\u5f0f\u6e05\u6d17\u8282\u70b9\u5b9e\u73b0\u653b\u51fb\u6d41\u91cf\u5c31\u8fd1\u62e6\u622a\u3002\u67d0\u8de8\u5883\u7535\u5546\u5e73\u53f0\u5728\u4e1c\u4eac\u3001\u5723\u4fdd\u7f57\u90e8\u7f72\u8fb9\u7f18\u6e05\u6d17\u4e2d\u5fc3，\u5c06\u653b\u51fb\u6d41\u91cf\u5904\u7406\u5ef6\u8fdf\u4ece\u4e2d\u5fc3\u8282\u70b9\u768485ms\u964d\u4f4e\u81f322ms\u3002\u901a\u8fc7GSLB\u667a\u80fd\u8c03\u5ea6，\u6b63\u5e38\u7528\u6237\u8bf7\u6c42\u76f4\u63a5\u8bbf\u95ee\u6e90\u7ad9，\u906d\u9047\u653b\u51fb\u65f6\u81ea\u52a8\u5207\u6362\u81f3\u6e05\u6d17\u94fe\u8def，\u5207\u6362\u8fc7\u7a0b\u5b9e\u73b0\u7528\u6237\u65e0\u611f\u77e5\u3002<\/p>\n

2023\u5e74\u4e1c\u5357\u4e9a\u6e38\u620f\u5e73\u53f0\u6297300Gbps\u6df7\u5408\u653b\u51fb\u5b9e\u6218<\/p>\n

\u67d0MMORPG\u6e38\u620f\u906d\u9047\u6301\u7eed72\u5c0f\u65f6\u7684TCP\u53cd\u5c04+HTTP\u6162\u901f\u653b\u51fb，\u5cf0\u503c\u5e26\u5bbd\u8fbe312Gbps\u3002\u901a\u8fc7\u542f\u7528BGP\u9ed1\u6d1e\u8def\u7531\u8fc7\u6ee4\u65e0\u6548\u6d41\u91cf，\u91c7\u7528FPGA\u786c\u4ef6\u52a0\u901f\u5904\u7406SSL\u63e1\u624b，\u914d\u5408\u8fb9\u7f18\u8282\u70b9\u6d41\u91cf\u6e05\u6d17，\u5c06\u73a9\u5bb6\u5ef6\u8fdf\u4ece210ms\u7a33\u5b9a\u5728155ms\u4ee5\u5185\u3002IDC\u62a5\u544a\u663e\u793a，\u878d\u5408CDN\u4e0e\u9ad8\u9632\u670d\u52a1\u7684\u6df7\u5408\u67b6\u6784，\u53ef\u4f7f\u8de8\u56fd\u4e1a\u52a1\u5ef6\u8fdf\u964d\u4f4e35%-48%\u3002<\/p>\n

\u7ec8\u6781\u89e3\u51b3\u65b9\u6848：\u91c7\u7528Anycast+BGP+\u667a\u80fd\u8c03\u5ea6\u7cfb\u7edf\u6784\u5efa\u5168\u7403\u52a0\u901f\u7f51\u7edc，\u5728\u6838\u5fc3\u8282\u70b9\u90e8\u7f72\u57fa\u4e8eDPDK\u7684\u6d41\u91cf\u6e05\u6d17\u96c6\u7fa4，\u7ed3\u5408\u534f\u8bae\u6808\u4f18\u5316\u4e0e\u786c\u4ef6\u52a0\u901f\u6280\u672f，\u5b9e\u73b0\u5b89\u5168\u9632\u62a4\u4e0e\u7f51\u7edc\u6027\u80fd\u7684\u6beb\u79d2\u7ea7\u5e73\u8861\u3002<\/p>\n

\u95ee\u98981：BGP\u7ebf\u8def\u4f18\u5316\u5982\u4f55\u5f71\u54cd\u6d77\u5916\u9ad8\u9632\u670d\u52a1\u5668\u6027\u80fd？ \u7b54：BGP\u591a\u7ebf\u63a5\u5165\u901a\u8fc7\u667a\u80fd\u9009\u8def\u51cf\u5c11\u7f51\u7edc\u8dc3\u70b9\u6570，\u5b9e\u6d4b\u53ef\u5c06\u8de8\u56fd\u8bbf\u95ee\u5ef6\u8fdf\u964d\u4f4e18-25ms\u3002\u4f46\u9700\u914d\u5408\u6d41\u91cf\u6e05\u6d17\u8bbe\u5907\u7684BGP FlowSpec\u7279\u6027，\u5b9e\u73b0\u653b\u51fb\u6d41\u91cf\u7684\u5feb\u901f\u8def\u7531\u9694\u79bb，\u907f\u514d\u5b89\u5168\u7b56\u7565\u5bf9\u6b63\u5e38\u6d41\u91cf\u9020\u6210\u989d\u5916\u5ef6\u8fdf\u3002<\/p>\n

\u95ee\u98982：QUIC\u534f\u8bae\u5982\u4f55\u517c\u987eDDoS\u9632\u62a4\u4e0e\u5ef6\u8fdf\u4f18\u5316？ \u7b54：QUIC\u76840-RTT\u8fde\u63a5\u4e0e\u8fde\u63a5\u8fc1\u79fb\u7279\u6027\u53ef\u51cf\u5c11120ms\u63e1\u624b\u5ef6\u8fdf，\u901a\u8fc7\u5ba2\u6237\u7aef\u9a8c\u8bc1\u4ee4\u724c\u4e0e\u670d\u52a1\u7aef\u5e76\u53d1\u8fde\u63a5\u9650\u5236，\u6709\u6548\u9632\u5fa1CC\u653b\u51fb\u3002\u4f46\u9700\u5728UDP\u7aef\u53e3\u9632\u62a4\u5c42\u9762\u90e8\u7f72\u57fa\u4e8e\u673a\u5668\u5b66\u4e60\u7684\u5f02\u5e38\u68c0\u6d4b\u6a21\u578b\u3002<\/p>\n

\u95ee\u98983：TCP\u534f\u8bae\u53c2\u6570\u8c03\u4f18\u6709\u54ea\u4e9b\u5177\u4f53\u5b9e\u8df5？ \u7b54：\u5173\u952e\u53c2\u6570\u5305\u62ec：tcp_window_scaling=1（\u542f\u7528\u7a97\u53e3\u7f29\u653e）\u3001tcp_tw_reuse=1（\u5feb\u901f\u91cd\u7528TIME_WAIT\u8fde\u63a5）\u3001tcp_sack=1（\u9009\u62e9\u786e\u8ba4\u673a\u5236）\u3002\u5efa\u8bae\u5c06\u521d\u59cb\u62e5\u585e\u7a97\u53e3\u8c03\u6574\u81f324-30，\u914d\u5408BBR\u7b97\u6cd5\u5b9e\u73b0\u5e26\u5bbd\u52a8\u6001\u9002\u914d\u3002<\/p>\n

\u95ee\u98984：\u5982\u4f55\u91cf\u5316\u8bc4\u4f30\u5b89\u5168\u68c0\u6d4b\u5e26\u6765\u7684\u5ef6\u8fdf\u635f\u8017？ \u7b54：\u53ef\u91c7\u7528\u7f51\u7edc\u5dee\u5206\u5206\u6790\u6cd5，\u5206\u522b\u6d4b\u8bd5\u6e05\u6d17\u8bbe\u5907\u76f4\u901a\u6a21\u5f0f\u4e0e\u9632\u62a4\u6a21\u5f0f\u7684\u5ef6\u8fdf\u5dee\u503c\u3002\u67d0\u4e91\u670d\u52a1\u5546\u6d4b\u8bd5\u6570\u636e\u663e\u793a，L7\u89c4\u5219\u68c0\u6d4b\u5f15\u51654.7ms\u5ef6\u8fdf，SSL\u89e3\u5bc6\u589e\u52a08.2ms，\u9700\u901a\u8fc7\u786c\u4ef6\u5378\u8f7d\u63d0\u5347\u5904\u7406\u6548\u7387\u3002<\/p>\n

\u95ee\u98985：\u8fb9\u7f18\u8ba1\u7b97\u67b6\u6784\u5982\u4f55\u4f18\u5316\u8de8\u56fd\u8bbf\u95ee\u5ef6\u8fdf？ \u7b54：\u5728\u7528\u6237\u96c6\u4e2d\u533a\u57df\u90e8\u7f72\u5206\u5e03\u5f0f\u6e05\u6d17\u8282\u70b9，\u4f7f\u653b\u51fb\u6d41\u91cf\u5728\u8fb9\u7f18\u8282\u70b9\u5b8c\u6210\u8fc7\u6ee4，\u6b63\u5e38\u6d41\u91cf\u901a\u8fc7\u4e13\u7ebf\u56de\u6e90\u3002\u5b9e\u6d4b\u4e1c\u4eac\u81f3\u6d1b\u6749\u77f6\u7684\u4e13\u7ebf\u5ef6\u8fdf\u4e3a58ms，\u8f83\u516c\u7f51\u4f20\u8f93\u964d\u4f4e42%，\u540c\u65f6\u4fdd\u8bc1\u5b89\u5168\u7b56\u7565\u7684\u4e00\u81f4\u6027\u6267\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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