{"id":8377,"date":"2021-12-22T10:38:57","date_gmt":"2021-12-22T02:38:57","guid":{"rendered":"http:\/\/www.szryc.com\/?p=8377"},"modified":"2021-12-22T10:38:57","modified_gmt":"2021-12-22T02:38:57","slug":"%e5%8f%af%e7%bc%96%e7%a8%8b%e8%83%bd%e5%8a%9b%e5%9c%a8%e6%96%b0%e4%b8%80%e4%bb%a3%e5%ae%89%e5%85%a8%e8%ae%be%e5%a4%87%e4%b8%ad%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=8377","title":{"rendered":"\u53ef\u7f16\u7a0b\u80fd\u529b\u5728\u65b0\u4e00\u4ee3\u5b89\u5168\u8bbe\u5907\u4e2d\u7684\u91cd\u8981\u6027"},"content":{"rendered":"<p>\u901a\u8fc7\u57fa\u4e8e\u8f6f\u4ef6\u7684\u9632\u706b\u5899\u90e8\u7f72\u7f51\u7edc\u5b89\u5168\u7684\u4f20\u7edf\u65b9\u6cd5\uff0c\u7531\u4e8e\u65e0\u6cd5\u6ee1\u8db3\u65f6\u5ef6\u4e0e\u5e26\u5bbd\u9700\u6c42\u800c\u65e0\u6cd5\u6269\u5c55\u3002\u5c06<u>\u8d5b\u7075\u601d<\/u>\u81ea\u9002\u5e94\u5668\u4ef6\u7684\u7075\u6d3b\u6027\u53ca\u53ef\u914d\u7f6e\u6027\u53ca\u5176 IP 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srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkLiANsX4AACem4cOt2k337.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkLiANsX4AACem4cOt2k337-300x155.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 2\uff1a \u4f01\u4e1a\u7684\u7edc\u4e2d\u7684 NGFW<\/p>\n<p><strong>\u7f51\u7edc\u8282\u70b9\u6216\u5b89\u5168\u8bbe\u5907\u53ef\u4ee5\u8d1f\u8d23\u5b9e\u73b0\u4ee5\u4e0b\u5b89\u5168\u529f\u80fd\uff1a<\/strong><\/p>\n<p>1. L2 \u5b89\u5168 - \u7528\u4e8e\u94fe\u8def\u52a0\u5bc6\u7684 MACSec<\/p>\n<p>2. L3 \u5b89\u5168 - \u6765\u81ea\u7528\u6237\u4e0e\u5176\u4ed6\u7f51\u7edc\u8282\u70b9\u7684 VPN \u96a7\u9053<\/p>\n<p>3. \u65e0\u6548\u6d41\u91cf\u7684\u963b\u65ad\u4e0e\u8fc7\u6ee4\uff08\u57fa\u4e8e\u534f\u8bae\u4e0e\u7aef\u53e3\u7684\u8fc7\u6ee4\uff09<\/p>\n<p>4. \u4f20\u5165\u4e0e\u4f20\u6d41\u91cf\u7684 TLS\/SSL \u52a0\u5bc6\/\u89e3\u5bc6<\/p>\n<p>5. \u8de8\u591a\u4e2a\u6d41\u91cf\u7684\u5f02\u5e38\u68c0\u6d4b<\/p>\n<p>6. \u72b6\u6001\u6a21\u5f0f\u5339\u914d<\/p>\n<p>7. \u7edf\u8ba1\u5f02\u5e38\u68c0\u6d4b<\/p>\n<p>8. IP \u5206\u7247<\/p>\n<p>9. TCP \u91cd\u7ec4\u4e0e\u6392\u5e8f<\/p>\n<p>10. \u57fa\u4e8e\u6b63\u5219\u8868\u8fbe\u5f0f \uff08regex\uff09 \u7684\u7b7e\u540d\/\u5185\u5bb9\u5339\u914d<\/p>\n<p>\u9664\u4e86\u4e0a\u8ff0\u529f\u80fd\u4e4b\u5916\uff0c\u65b0\u4e00\u4ee3\u7f51\u7edc\u5b89\u5168\u4ea7\u54c1\u4e5f\u5df2\u7ecf\u5f00\u59cb\u5b9e\u73b0\u7528\u4e8e\u7f51\u7edc\u5206\u6790\u4e0e\u6076\u610f\u8f6f\u4ef6\u9884\u6d4b\u7684 ML \u6a21\u578b\u3002\u6b64\u7c7b\u6a21\u578b\u4e0d\u4f9d\u8d56\u57fa\u4e8e\u7b7e\u540d\u7684\u4f20\u7edf\u68c0\u6d4b\u529f\u80fd\u3002\u652f\u6301ML\u7684\u9632\u706b\u5899\u53ef\u4ee5\u6536\u96c6\u9065\u6d4b\u6570\u636e\uff0c\u800c\u4e14\u53ef\u4ee5\u5728\u5a01\u80c1\u51fa\u73b0\u4e4b\u524d\u63d0\u524d\u90e8\u7f72\u5b89\u5168\u7b56\u7565\u3002<\/p>\n<p>\u4e0a\u8ff0\u529f\u80fd\u7684\u5176\u4e2d\u4e00\u90e8\u5206\u662f\u57fa\u672c\u529f\u80fd\uff0c\u662f\u6240\u6709\u7f51\u7edc\u8282\u70b9\uff08\u5b89\u5168\u4ea4\u6362\u673a\u4e0e\u8def\u7531\u5668\uff09\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u800c\u4e14\u662f\u5728\u91c7\u7528\u00a0<u>ASIC<\/u>\u00a0\u6216\u53ef\u7f16\u7a0b\u5668\u4ef6\u521b\u5efa\u7684\u5df2\u90e8\u7f72\u7f51\u7edc\u4ea4\u6362\u673a\u548c\u8def\u7531\u5668\u4e2d\u5b9e\u73b0\uff1b\u5176\u4ed6\u529f\u80fd\uff08L3 \u53ca\u66f4\u9ad8\u7ea7\u529f\u80fd\uff09\u66f4\u52a0\u590d\u6742\uff0c\u9700\u8981\u5927\u91cf\u6d41\u91cf\u5206\u7c7b\u4e0e\u5904\u7406\u64cd\u4f5c\u3002\u7f51\u7edc\u534f\u8bae\u5c42\u8d8a\u9ad8\uff0c\u6d41\u91cf\u5904\u7406\u7684\u590d\u6742\u6027\u5c31\u8d8a\u9ad8\u3002\u4f8b\u5982\uff0c\u5c421\uff08L1\uff09 \u5b89\u5168\u53ea\u9700\u8981\u5e27\u7ea7\u52a0\u5bc6\uff08\u5982\uff1aOTN \u4f20\u8f93\u6709\u6548\u8f7d\u8377\u5e27\uff09\uff0c\u800c\u4e14\u662f\u91c7\u7528\u6279\u91cf\u52a0\u5bc6\u534f\u8bae \uff08AES-GCM\uff09 \u5728\u5149\u7f51\u7edc\u8282\u70b9\u4e2d\u5b9e\u73b0\u3002\u5c42 2\uff08L2\uff09 \u4e0e\u5c42 3\uff08L3\uff09 \u9700\u8981\u5728<u>\u4ee5\u592a\u7f51<\/u>\u4e0e IP \u5c42\u9762\u8fdb\u884c\u6570\u636e\u5305\u5904\u7406\uff0c\u5176\u9700\u8981\u6570\u636e\u5305\u7ea7\u522b\u7684\u5904\u7406\u3002\u5c42 4\uff08L4\uff09 \u4e0e\u66f4\u9ad8\u7ea7\u522b\u9700\u8981\u8fdb\u884c\u5185\u5bb9\u7ea7\u5b89\u5168\u5904\u7406\uff0c\u5176\u4e2d\u6bcf\u4e2a TCP \u6216 UDP \u4f1a\u8bdd\u90fd\u5305\u62ec\u591a\u4e2a\u4ee5\u592a\u7f51\u4e0e IP \u6570\u636e\u5305\u3002\u4e00\u4e9bL2 \u4e0e L3 \u5b89\u5168\u529f\u80fd\u53ef\u4ee5\u5728\u786c\u4ef6\u5668\u4ef6\uff08ASIC\u3001ASSP\u3001FPGA\u3001SoC\u3001ACAP \u4e0e NPU\uff09\u4e2d\u8f7b\u677e\u5b9e\u73b0\u3002\u6b64\u5916\uff0c\u66f4\u9ad8\u5c42\u7684\u5b89\u5168\u5904\u7406\uff08L3 \u53ca\u4ee5\u4e0a\uff09\u4e5f\u9700\u8981\u5bf9\u4f20\u5165\u6d41\u91cf\u8fdb\u884c\u57fa\u4e8e\u8f6f\u4ef6\u7684\u5185\u5bb9\u5904\u7406\uff0c\u624d\u80fd\u5b9e\u73b0\u5a01\u80c1\u68c0\u6d4b\u4e0e\u6e05\u9664\u3002<\/p>\n<p>\u7531\u4e8e\u65b0\u7684\u63a5\u5165\u7f51\u6280\u672f\uff08<u>5G<\/u>\u00a0\u524d\u4f20\u3001PON \u4e0e<u>\u7535\u7f06<\/u>\uff09\u5728\u8fc7\u53bb\u51e0\u5e74\u5df2\u7ecf\u5927\u5e45\u63d0\u9ad8\u4e86\u541e\u5410\u91cf\u4e0e\u6d41\u91cf\uff0c\u56e0\u6b64\u4ec5\u4ec5\u57fa\u4e8e\u8f6f\u4ef6\u6d41\u91cf\u5904\u7406\u7684\u9632\u706b\u5899\u8bbe\u5907\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9884\u671f\u541e\u5410\u91cf\u4e0b\u7684\u6027\u80fd\u4e0e\u65f6\u5ef6\u8981\u6c42\u3002<\/p>\n<p><strong>\u65b0\u4e00\u4ee3\u9632\u706b\u5899\u7684\u786c\u4ef6\u67b6\u6784<\/strong><\/p>\n<p>\u7531\u4e8e\u9632\u706b\u5899\u9700\u8981\u5904\u7406\u548c\u68c0\u67e5\u6240\u6709\u7684\u4f20\u5165\u6d41\u91cf\uff0c\u56e0\u6b64\u5b83\u4eec\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<p>\u00b7L2\/L3 \u6570\u636e\u5305\u5904\u7406<\/p>\n<p>\u00b7L2\/L3 \u5b89\u5168\u529f\u80fd<\/p>\n<ul>\n<li>LinkSec\/MACSec<\/li>\n<li>L3-VPN\/IPSec<\/li>\n<\/ul>\n<p>\u00b7L4\u2013L7 \u6570\u636e\u5305\u5904\u7406\u4e0e\u5b89\u5168<\/p>\n<p>\u56fe 3 \u663e\u793a\u4e3a\u9632\u706b\u5899\u8bbe\u8ba1\u9009\u9879\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8389\" title=\"poYBAGHBkMKAD1r3AAB9ih07B04848\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkMKAD1r3AAB9ih07B04848.png\" alt=\"poYBAGHBkMKAD1r3AAB9ih07B04848\" width=\"720\" height=\"183\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkMKAD1r3AAB9ih07B04848.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkMKAD1r3AAB9ih07B04848-300x76.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 3\uff1a\u9632\u706b\u5899\u7684\u6f14\u8fdb\u53d1\u5c55\uff1a\u65c1\u8def\u4e0e\u5185\u8054\u5904\u7406\u5bf9\u6bd4<\/p>\n<p>\u4f4e\u7aef\u9632\u706b\u5899\u8bbe\u5907\uff08\u901a\u5e38\u4f4e\u4e8e 10G\uff09\u7684\u8bbe\u8ba1\u53ef\u4ee5\u91c7\u7528\u7f51\u7edc\u63a5\u53e3\u5668\u4ef6\u4e0e\u00a0<u>CPU<\/u>\u3002\u5e38\u89c1\u7684\u7f51\u7edc\u63a5\u53e3 \uff08NIC\uff09 \u5668\u4ef6\uff08\u5b9a\u5236 ASIC\u3001FPGA \u6216 ASSP\uff09\u53ef\u4ee5\u5904\u7406\u5904\u7406\u7406\u4f20\u5165\u6d41\u91cf\uff08\u4ee5\u592a\u7f51\u4e0e IP \u6570\u636e\u5305\uff09\uff0c\u5e76\u4e14\u80fd\u591f\u6267\u884c\u4f17\u6240\u5468\u77e5\u7684 L2 \u4e0e L3 \u529f\u80fd\uff0c\u800c\u66f4\u9ad8\u5c42 \uff08L4\u2013L7\uff09\u529f\u80fd\u662f\u7531\u5728 CPU \u4e2d\u8fd0\u884c\u7684\u8f6f\u4ef6\u6267\u884c\u3002<\/p>\n<p>\u4e2d\u7aef\u9632\u706b\u5899\u80fd\u591f\u5904\u7406\u66f4\u9ad8\u7684\u541e\u5410\u91cf \uff0810G\u201350G\uff09\uff0c\u5176\u8bbe\u8ba1\u4e3b\u8981\u91c7\u7528\u7f51\u7edc\u63a5\u53e3\u5668\u4ef6\u4e0e\u65c1\u8def\u5b89\u5168\u5904\u7406\u5668\uff08\u5b89\u5168 ASIC\u3001NPU \u6216 FPGA\uff09\u3002\u7531\u4e8e\u53ea\u4f7f\u7528\u8f6f\u4ef6\u7684\u89e3\u51b3\u65b9\u6848\u4e0d\u80fd\u4ee5\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u5bf9\u6d41\u91cf\u8fdb\u884c\u5206\u7c7b\u548c\u5904\u7406\uff0c\u56e0\u6b64\u65c1\u8def\u5b89\u5168\u5904\u7406\u5668\u53ef\u4ee5\u7528\u4f5c CPU \u534f\u5904\u7406\u5668\uff0c\u4ee5\u4fbf\u5378\u8f7d\u52a0\u5bc6\/\u89e3\u5bc6\u3001\u516c\u5f00\u5bc6\u94a5\u57fa\u7840\u8bbe\u65bd\uff08PKI\uff09\u548c\/\u6216\u72b6\u6001\u6d41\u91cf\u5904\u7406\u529f\u80fd\u3002\u867d\u7136\u5728\u8fd9\u79cd\u67b6\u6784\u4e2d\u53ef\u4ee5\u5c06 ASIC \u6216 NPU \u7528\u4f5c\u7f51\u7edc\u63a5\u53e3\uff0c\u4f46\u662f\u5728\u4e2d\u7aef\u9632\u706b\u5899\u4e2d\u91c7\u7528 FPGA \u65e5\u6e10\u6d41\u884c\uff0c\u56e0\u4e3a\u5b83\u5728\u5185\u8054\u6a21\u5f0f\u4e0b\u53ef\u4ee5\u5b9e\u73b0\u5904\u7406\u4f20\u5165\u6d41\u91cf\u6240\u9700\u7684\u53ef\u6269\u5c55\u6027\u548c\u7075\u6d3b\u6027\uff0c\u4ece\u800c\u53ef\u4ee5\u964d\u4f4e\u5a01\u80c1\u68c0\u6d4b\u4e0e\u9884\u9632\u65b9\u9762\u7684\u65f6\u5ef6\u3002<\/p>\n<p>\u541e\u5410\u91cf\u8fbe\u5230 50G-400G \u7684\u65b0\u4e00\u4ee3\u9ad8\u7aef\u9632\u706b\u5899\u4e3b\u8981\u8bbe\u8ba1\u7528\u4e8e\u5185\u8054\u64cd\u4f5c\u6a21\u5f0f\u3002\u5728\u5185\u8054\u6a21\u5f0f\u4e0b\uff0c\u7f51\u7edc\u63a5\u53e3\u5668\u4ef6\u9700\u8981\u66f4\u52a0\u667a\u80fd\uff0c\u624d\u80fd\u5904\u7406\u5e9e\u5927\u6d41\u91cf\uff0c\u8fd9\u6d89\u53ca\u5230\u5bf9\u4f20\u5165\u548c\u4f20\u51fa\u6570\u636e\u5305\u7684\u66f4\u6df1\u5165\u7684\u68c0\u67e5\u3002\u6b64\u7c7b\u63a5\u53e3\u5668\u4ef6\u4e5f\u9700\u8981\u5b9e\u73b0\u5b89\u5168\u529f\u80fd\uff0c\u5982\u5185\u8054 IPSec\uff0c\u5176\u91c7\u7528\u5e38\u7528\u7684\u52a0\u5bc6\u534f\u8bae\u4e0e TCP \u7ea7\u5b89\u5168\u3002\u8fd9\u79cd\u67b6\u6784\u4ecd\u7136\u91c7\u7528 NPU \u6765\u5b9e\u73b0\u5177\u4f53\u7684\u52a0\u5bc6\u534f\u8bae\u3001PKI \u548c\u72b6\u6001\u5904\u7406\u3002\u5185\u8054\u8bbe\u5907\u7684\u6d41\u91cf\u5206\u7c7b\u9700\u6c42\u5728\u6d41\u91cf\u6570\u91cf\u4e0e\u590d\u6742\u6027\u4ee5\u53ca\u9488\u5bf9\u9ad8\u541e\u5410\u91cf\u6d41\u91cf\u91c7\u53d6\u7684\u63aa\u65bd\u65b9\u9762\u5404\u4e0d\u76f8\u540c\u3002\u56e0\u6b64\uff0c\u7528\u4e8e\u5185\u8054\u5b89\u5168\u5904\u7406\u7684\u53ef\u7f16\u7a0b\u5668\u4ef6\uff08\u5982FPGA\uff09\u662f\u5b9e\u73b0\u6b64\u7c7b\u529f\u80fd\u7684\u7406\u60f3\u9009\u62e9\u3002\u4e0e NPU \u76f8\u6bd4\uff0cFPGA \u5728\u6d41\u91cf\u5904\u7406\u65b9\u9762\u63d0\u4f9b\u4e86\u663e\u8457\u7684\u65f6\u5ef6\u964d\u4f4e\u548c\u4f18\u5f02\u7684\u53ef\u6269\u5c55\u6027\u3002\u6b64\u5916\uff0cFPGA \u76ee\u524d\u8fd8\u53ef\u4ee5\u914d\u7f6e\u65b0\u4e00\u4ee3\u5b58\u50a8\u5668\u63a5\u53e3\u548c\u7247\u4e0a\u9ad8\u5e26\u5bbd\u5b58\u50a8\u5668 \uff08HBM\uff09\uff0c\u8fd9\u5bf9\u4e8e\u5b58\u50a8\u5668\u5bc6\u96c6\u578b\u6d41\u91cf\u5904\u7406\u5e94\u7528\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p><strong>\u5c06 FPGA \u7528\u4f5c\u7f51\u7edc\u5b89\u5168\u7684\u6d41\u91cf\u5904\u7406\u5668<\/strong><\/p>\n<p>\u8fdb\u51fa\u5b89\u5168\u8bbe\u5907\uff08\u9632\u706b\u5899\uff09\u7684\u6d41\u91cf\u8fdb\u884c\u591a\u7ea7\u522b\u52a0\u5bc6\u3002L2 \u52a0\u5bc6\/\u89e3\u5bc6 \uff08MACSec\uff09 \u662f\u5728\u94fe\u8def\u5c42 \uff08L2\uff09 \u7f51\u7edc\u8282\u70b9\uff08\u4ea4\u6362\u673a\u4e0e\u8def\u7531\u5668\uff09\u8fdb\u884c\u5904\u7406\u3002\u8d85\u51fa L2\uff08MAC \u5c42\uff09\u7684\u5904\u7406\u901a\u5e38\u5305\u62ec\u66f4\u6df1\u5c42\u7684\u89e3\u6790\u3001L3 \u96a7\u9053\u89e3\u5bc6 \uff08IPSec\uff09 \u4ee5\u53ca\u52a0\u5bc6 SSL \u6d41\u91cf\u4e0e TCP\/UDP \u6d41\u91cf\u7684\u5904\u7406\u3002\u6570\u636e\u5305\u5904\u7406\u6d89\u53ca\u4f20\u5165\u6570\u636e\u5305\u7684\u89e3\u6790\u4e0e\u5206\u7c7b\u4ee5\u53ca\u9ad8\u541e\u5410\u91cf \uff0825\u2013400Gb\/s\uff09 \u7684\u5e9e\u5927\u6d41\u91cf \uff081\u201320M\uff09 \u7684\u5904\u7406\u3002\u7531\u4e8e\u9700\u8981\u5927\u91cf\u8ba1\u7b97\u8d44\u6e90\uff08\u6838\u5fc3\uff09\uff0cNPU \u53ef\u4ee5\u7528\u4e8e\u76f8\u5bf9\u66f4\u9ad8\u901f\u7387\u7684\u6570\u636e\u5305\u5904\u7406\uff0c\u4f46\u662f\u65e0\u6cd5\u5b9e\u73b0\u4f4e\u65f6\u5ef6\u3001\u9ad8\u6027\u80fd\u53ef\u6269\u5c55\u6d41\u91cf\u5904\u7406\uff0c\u56e0\u4e3a\u6d41\u91cf\u5904\u7406\u91c7\u7528\u00a0<u>MI<\/u>PS\/<u>RISC<\/u>\u00a0\u6838\u5fc3\uff0c\u800c\u6839\u636e\u5176\u53ef\u7528\u6027\u6765\u8c03\u5ea6\u6b64\u7c7b\u6838\u5fc3\u96be\u5ea6\u5f88\u5927\u3002\u91c7\u7528\u57fa\u4e8eFPGA\u7684\u5b89\u5168\u8bbe\u5907\u53ef\u4ee5\u6709\u6548\u6d88\u9664\u57fa\u4e8e CPU \u548c NPU \u7684\u67b6\u6784\u6240\u5e26\u6765\u7684\u4e0a\u8ff0\u9650\u5236\u3002<\/p>\n<p><strong>\u5b89\u5168\u8bbe\u5907\u7684\u6d41\u91cf\u5904\u7406<\/strong><\/p>\n<p>\u6d41\u91cf\u5904\u7406\u662f\u6570\u636e\u5305\u5904\u7406\u7684\u66f4\u9ad8\u7ea7\u522b\u7684\u62bd\u8c61\uff0c\u56e0\u4e3a\u4e00\u4e2a\u6570\u636e\u6d41\u662f\u7531\u7c7b\u578b\u76f8\u4f3c\u7684\u4f17\u591a\u6570\u636e\u5305\u7ec4\u6210\u3002\u6d41\u91cf\u5904\u7406\u5305\u62ec\u4ee5\u4e0b\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\uff1a<\/p>\n<p>\u00b7\u6570\u636e\u5305\u89e3\u6790<\/p>\n<p>\u00b7\u6570\u636e\u5305\u67e5\u627e<\/p>\n<ul>\n<li>\u8def\u7531\u67e5\u627e<\/li>\n<li>\u6839\u636e\u6570\u636e\u5305\u5b57\u6bb5\u91c7\u7528\u901a\u914d\u7b26\u641c\u7d22\u7684\u6d41\u91cf\u67e5\u627e<\/li>\n<\/ul>\n<p>\u00b7\u6570\u636e\u5305\u7f16\u8f91<\/p>\n<ul>\n<li>\u6821\u9a8c\u548c\u8ba1\u7b97<\/li>\n<li>\u5305\u5934\u5c01\u88c5\/\u89e3\u5c01<\/li>\n<li>\u5b89\u5168\u5305\u5934\u5c01\u88c5<\/li>\n<\/ul>\n<p>\u8d5b\u7075\u601d\u63d0\u4f9b\u4e86\u91c7\u7528\u9ad8\u7ea7\u62bd\u8c61\u8bed\u8a00 P4 \u8fdb\u884c\u6570\u636e\u5305\u5904\u7406\u7684\u5de5\u5177\uff0c\u5176\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u5305\u89e3\u6790\u3001\u5206\u7c7b\u3001\u67e5\u627e\u4e0e\u6570\u636e\u5305\u7f16\u8f91\u529f\u80fd\u3002\u4e0e\u57fa\u4e8e RTL \u8bed\u8a00\u7684\u5b9e\u73b0\u76f8\u6bd4\uff0c\u4f7f\u7528 P4 \u5b8c\u6210\u6570\u636e\u5305\u5904\u7406\u53ef\u4ee5\u5728\u66f4\u9ad8\u7684\u62bd\u8c61\u5c42\u5b9e\u73b0\u3002\u91c7\u7528P4\u53ef\u4ee5\u63d0\u9ad8\u73b0\u6709\u53ef\u7f16\u7a0bFPGA\u67b6\u6784\u7684\u7075\u6d3b\u6027\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u6570\u636e\u5305\u89e3\u6790\u3001\u6570\u636e\u5305\u7f16\u8f91\u4ee5\u53ca\u6d41\u91cf\u8868\u6761\u76ee\u7684\u4fee\u6539\u3002<\/p>\n<p>\u5982\u56fe 4 \u6240\u793a\uff0cP4 \u4ecb\u7ecd\u53ef\u4ee5\u91c7\u7528 P4 \u7f16\u8bd1\u5668\u7f16\u8bd1\u7684\u5e76\u4e14\u6620\u5c04\u5728\u8d5b\u7075\u601d FPGA \u4e2d\u7684\u6570\u636e\u5305\u5904\u7406\u6d41\u6c34\u7ebf\u67b6\u6784\uff0c\u5176\u4e2d\u91c7\u7528\u4e86\u57fa\u672c\u67b6\u6784\u7ec4\u4ef6\u3002P4 \u8bed\u8a00\u5b9a\u4e49\u6570\u636e\u5305\u89e3\u6790\u3001\u67e5\u627e\uff08IPv4\u3001IPv6 \u548c\u5176\u4ed6\u6570\u636e\u5305\u5b57\u6bb5\uff09\u4ee5\u53ca\u6570\u636e\u5305\u7684\u7f16\u8f91\uff08\u9006\u89e3\u6790\uff09\u3002P4\u5b9a\u4e49\u7684\u67b6\u6784\u53ef\u4ee5\u76f4\u63a5\u5e94\u7528\u4e8e\u5b89\u5168\u5904\u7406\u6d41\u6c34\u7ebf\uff0c\u5982\uff1aIPSec\u5b89\u5168\u5173\u8054 \uff08SA\uff09\u3001\u5b89\u5168\u7b56\u7565 \uff08SP\uff09 \u67e5\u627e\u4ee5\u53ca\u8fdb\/\u51fa\u6d41\u91cf\u7684\u96a7\u9053\u5904\u7406\u5b9e\u73b0\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8381\" title=\"pYYBAGHBkMuAMApvAACJYGt6AtQ610\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkMuAMApvAACJYGt6AtQ610.png\" alt=\"pYYBAGHBkMuAMApvAACJYGt6AtQ610\" width=\"720\" height=\"203\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkMuAMApvAACJYGt6AtQ610.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkMuAMApvAACJYGt6AtQ610-300x85.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 4\uff1a \u57fa\u4e8e P4 \u7684\u6570\u636e\u5305\u5904\u7406\u6d41\u91cf\u5206\u7c7b\u4e0e\u67e5\u627e<\/p>\n<p><strong>\u6570\u636e\u5305\u5904\u7406\u7684\u4e09\u4e2a\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u5305\u62ec\uff1a<\/strong><\/p>\n<p>\u6570\u636e\u5305\u89e3\u6790\uff1a\u6765\u81ea\u591a\u4e2a\u5e94\u7528\uff0c\u8bbf\u95ee\u4f01\u4e1a\u7f51\u7edc\u4e0e\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u4e0d\u540c\u8282\u70b9\u6240\u4ea7\u751f\u7684\u6d41\u91cf\u9700\u8981\u9488\u5bf9\u5177\u4f53\u6d41\u91cf\u7c7b\u578b\u5206\u7c7b\u3002\u89e3\u6790\u8fc7\u7a0b\u6d89\u53ca\u4f17\u591a\u6570\u636e\u5305\u53c2\u6570\u7684\u63d0\u53d6\uff0c\u5176\u4e2d\u5305\u62ec L2 \u5305\u5934\u3001L3 \u5305\u5934\u4ee5\u53ca\u6765\u81ea\u6570\u636e\u5305\u5df2\u77e5\u504f\u79fb\u91cf\u7684\u5b57\u6bb5\u3002\u8fd9\u4e9b\u89e3\u6790\u9700\u6c42\u968f\u5e94\u7528\u4e0d\u540c\u4ee5\u53ca\u6570\u636e\u5305\u4e0d\u540c\u4f4d\u7f6e\u7684\u7b7e\u540d\u4e0d\u540c\u800c\u53d8\u5316\u3002FPGA \u7684\u7075\u6d3b\u67b6\u6784\u52a0\u4e0a P4 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\u52a0\u5bc6\u6570\u636e\u5305 \uff08MACSec\uff09 \u9700\u8981\u66f4\u7b80\u5355\u76f4\u63a5\u7684\u67e5\u627e\uff0c\u800c\u66f4\u9ad8\u5c42\u7684\u52a0\u5bc6\u67e5\u627e\u53ef\u80fd\u66f4\u52a0\u590d\u6742\uff0c\u5177\u6709\u66f4\u5bbd\u6cdb\u7684\u5bc6\u94a5\u4e0e\u7ed3\u679c\u503c\u3002\u56fe5 \u4ecb\u7ecd\u4e86 MACSec\u3001IPSec \u548c TCP \u534f\u8bae\u7684\u67e5\u627e\u793a\u4f8b\u3002\u67e5\u627e\u6b21\u6570\u968f\u7f51\u7edc\u8282\u70b9\u53d8\u5316\uff0c\u4e0d\u8fc7\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e00\u4e9b\u6d41\u91cf\u7c7b\u522b\u9700\u8981\u591a\u5c42\u67e5\u627e\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8382\" title=\"poYBAGHBkNGAKs4aAADoMeVf008344\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNGAKs4aAADoMeVf008344.png\" alt=\"poYBAGHBkNGAKs4aAADoMeVf008344\" width=\"720\" height=\"344\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNGAKs4aAADoMeVf008344.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNGAKs4aAADoMeVf008344-300x143.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 5\uff1a L2\/L3\/L4 \u5b89\u5168\u5b9e\u73b0\u65b9\u6848\u67e5\u627e\u793a\u4f8b<\/p>\n<p>\u4e0a\u8ff0\u67e5\u627e\u7279\u5b9a\u4e8e\u5b89\u5168\u5904\u7406\u3002\u6b64\u5916\uff0c\u9632\u706b\u5899\u4e5f\u53ef\u4ee5\u9488\u5bf9\u8def\u7531\u5668\u529f\u80fd\u3001\u7f51\u7edc\u5730\u5740\u8f6c\u6362 \uff08NAT\uff09 \u4ee5\u53ca\u4f20\u5165\u6d41\u91cf\u7684\u7b56\u7565\uff08\u6216\u8bbf\u95ee\u63a7\u5236\uff09\u67e5\u627e\u5b9e\u73b0\u9644\u52a0\u67e5\u627e\u3002<\/p>\n<p>\u4ee5\u4e0b\u5b89\u5168\u4e0e\u7f51\u7edc\u67e5\u627e\u7c7b\u522b\u5305\u62ec\u7cbe\u786e\u5339\u914d\u3001\u6700\u957f\u524d\u7f00\u5339\u914d \uff08LPM\uff09 \u548c\u901a\u914d\u7b26\u641c\u7d22\uff0c\u5176\u91c7\u7528\u7531\u5305\u5934\u5b57\u6bb5\u7ec4\u6210\u7684\u5bc6\u94a5\uff1a<\/p>\n<ul>\n<li>\u00b7\u8def\u7531\u67e5\u627e<\/li>\n<li>\u00b7NAT \u67e5\u627e<\/li>\n<li>\u00b7\u91c7\u7528\u591a\u4e2a\u5b57\u6bb5\u7684\u6d41\u91cf\u5206\u7c7b<\/li>\n<\/ul>\n<p>\u5982\u56fe 6 \u6240\u793a\uff0c\u6570\u636e\u5305\u5904\u7406\u67e5\u627e\u53ef\u5206\u4e3a\u4e09\u7c7b\uff0c\u6709\u5404\u81ea\u7684\u8868\u548c\u5bc6\u94a5\u5927\u5c0f\u8981\u6c42\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8383\" title=\"poYBAGHBkNmAdqhWAAEBbU4QmWc450\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNmAdqhWAAEBbU4QmWc450.png\" alt=\"poYBAGHBkNmAdqhWAAEBbU4QmWc450\" width=\"720\" height=\"449\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNmAdqhWAAEBbU4QmWc450.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkNmAdqhWAAEBbU4QmWc450-300x187.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 6\uff1a \u91c7\u7528\u57fa\u4e8e FPGA \u7684\u5b89\u5168\u8bbe\u5907\u8fdb\u884c\u67e5\u627e<\/p>\n<p>\u8d5b\u7075\u601d\u7684 IP \u4ea7\u54c1\u7ec4\u5408\u5305\u62ec\u7528\u4e8e\u4e8c\u8fdb\u5236\u5339\u914d\u3001\u901a\u914d\u7b26\u4e09\u5143\u5339\u914d\u548c\u6700\u957f\u524d\u7f00\u5339\u914d\u7684\u641c\u7d22 IP\u3002\u8fd9\u4e9b\u641c\u7d22 IP \u53ef\u4ee5\u7075\u6d3b\u7ec4\u5408\uff0c\u4ee5\u9002\u5e94\u6240\u6709\u91c7\u7528\u7247\u4e0a S<u>RAM<\/u>\u00a0\u4e0e\u00a0<u>DRAM<\/u>\u00a0\uff08HBM\uff09 \u7684\u8d5b\u7075\u601d FPGA\u3002\u8fd9\u4e09\u7c7b\u641c\u7d22 IP \u5168\u90e8\u652f\u6301 100Mb\/s \u81f3 400Gb\/s \u541e\u5410\u91cf\u3002<\/p>\n<p>\u79d8\u94a5\u5bbd\u5ea6\u3001\u7ed3\u679c\u5bbd\u5ea6\u548c\u8868\u5185\u7684\u6761\u76ee\u6570\u91cf\u53ef\u4ee5\u51b3\u5b9a FPGA \u6240\u7528\u7247\u4e0a\u903b\u8f91\u8d44\u6e90\u548c\u5b58\u50a8\u5668 \uff08SRAM\/DRAM\uff09 \u7684\u6570\u91cf\u3002\u7531\u4e8e\u8d5b\u7075\u601d\u62e5\u6709\u5177\u6709\u4e0d\u540c\u8d44\u6e90\uff08\u903b\u8f91\/\u5b58\u50a8\u5668\uff09\u6570\u91cf\u7684\u5e7f\u6cdb\u5668\u4ef6\u7c7b\u522b\uff0c\u56e0\u6b64\u7528\u6237\u80fd\u591f\u9488\u5bf9\u5176\u541e\u5410\u91cf\u4e0e\u8868\u5927\u5c0f\u8981\u6c42\u9009\u62e9\u5177\u6709\u9002\u5f53\u8d44\u6e90\u7684\u8d5b\u7075\u601d\u5668\u4ef6\u3002\u6b64\u5916\uff0c\u67e5\u627e IP \u914d\u5907\u7528\u4e8e\u4fee\u6539\u548c\u66f4\u65b0\u6d41\u91cf\u8868\u6761\u76ee\u7684\u5e94\u7528\u5c42\u8f6f\u4ef6 API\u3002<\/p>\n<p>\u6570\u636e\u5305\u7f16\u8f91\uff1a\u5b89\u5168\u5904\u7406\u6d89\u53ca\u5728\u5b8c\u6210\u89e3\u6790\u3001\u5305\u5934\u67e5\u627e\u548c\u8fc7\u6ee4\u4e4b\u540e\u5c06\u4fee\u6539\u540e\u7684\u52a0\u5bc6\u6216\u89e3\u5bc6\u6570\u636e\u5305\u53d1\u9001\u5230\u51fa\u7ad9\u7aef\u53e3\u3002\u4f20\u51fa\u6d41\u91cf\u5305\u62ec\u4fee\u6539\u540e\u7684\u65b0\u5305\u5934\u3001\u66f4\u65b0\u540e\u7684\u6570\u636e\u5305\u5b57\u6bb5\u3001\u8ba4\u8bc1\u5305\u5934\u4ee5\u53ca\u7ea0\u9519\u5b57\u6bb5\u3002\u90e8\u5206\u5e38\u89c1\u6570\u636e\u5305\u5904\u7406\u9700\u6c42\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u00b7\u66f4\u6539 L2\/L3 \u5305\u5934 \uff08MAC\/VLAN\/IPv4\/IPv6\uff09<\/li>\n<li>\u00b7\u521b\u5efa\u4e0e\u66f4\u65b0\u5b89\u5168 \uff08MACSec\/IPSec\uff09 \u5305\u5934<\/li>\n<li>\u00b7\u66f4\u65b0 IP \u5305\u5934\u6821\u9a8c\u548c<\/li>\n<li>\u00b7\u66f4\u65b0 TCP \u6821\u9a8c\u548c<\/li>\n<li>\u00b7\u66f4\u65b0\u4ee5\u592a\u7f51 CRC<\/li>\n<li>\u00b7\u66f4\u65b0\u8ba4\u8bc1\u5b57\u6bb5<\/li>\n<\/ul>\n<p>\u56fe7 \u663e\u793a\u4e86\u7528\u4e8e MACSec \u548c IPSec \u7684\u6570\u636e\u5305\u7f16\u8f91\/\u4fee\u6539\u64cd\u4f5c\u3002\u5728\u901a\u8fc7\u51fa\u7ad9\u7aef\u53e3\u53d1\u9001\u6570\u636e\u5305\u4e4b\u524d\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u5305\u5934\u5b57\u6bb5\u8fdb\u884c\u591a\u6b21\u4fee\u6539\uff0c\u8fd9\u5305\u62ec\u6821\u9a8c\u548c\u4e0e CRC \u7684\u8ba1\u7b97\u4e0e\u63d2\u5165\u3002\u9664\u4e86\u6807\u51c6\u5305\u5934\uff0c\u6570\u636e\u5305\u901a\u5e38\u8fd8\u5305\u62ec\u4e13\u7528\u5305\u5934\uff0c\u800c\u4e14\u4e5f\u53ef\u80fd\u9700\u8981\u91c7\u7528\u4e0d\u540c\u7684\u534f\u8bae\u5305\u5934\uff08VXLAN\u3001IP in IP\u3001GRE \u7b49\uff09\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u5c01\u88c5\u4e0e\u89e3\u5c01\u3002\u8d5b\u7075\u601d\u53ef\u7f16\u7a0b\u5668\u4ef6\u80fd\u591f\u5728\u7ebf\u8def\u901f\u7387\u4e0b\u4ee5\u6700\u5927\u7075\u6d3b\u6027\u5b9e\u73b0\u6570\u636e\u5305\u4fee\u6539\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8385\" title=\"poYBAGHBkOGAZhwRAADDEad5z-A198\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOGAZhwRAADDEad5z-A198.png\" alt=\"poYBAGHBkOGAZhwRAADDEad5z-A198\" width=\"720\" height=\"312\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOGAZhwRAADDEad5z-A198.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOGAZhwRAADDEad5z-A198-300x130.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 7\uff1aMACSec \u4e0e IPSec \u6570\u636e\u5305\u91cd\u5199<\/p>\n<p>\u6b64\u5916\uff0c\u8d5b\u7075\u601d\u5668\u4ef6\u8fd8\u63d0\u4f9b P4 \u53ef\u7f16\u7a0b\u80fd\u529b\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u91c7\u7528 P4 \u5b9e\u73b0\u6570\u636e\u5305\u91cd\u5199\u64cd\u4f5c\u3002\u4e0e RTL \u5b9e\u73b0\u65b9\u6848\u76f8\u6bd4\uff0cP4 \u9006\u89e3\u6790\u5668\u529f\u80fd\u80fd\u591f\u8fdb\u4e00\u6b65\u7b80\u5316\u5305\u5934\u7684\u521b\u5efa\u4e0e\u63d2\u5165\u3002\u4e3a\u5728\u8d5b\u7075\u601d\u5668\u4ef6\u4e0a\u4ee5\u7ebf\u8def\u901f\u7387\u8fd0\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u8d5b\u7075\u601d P4 \u7f16\u8bd1\u5668<u>\u5408\u6210<\/u>\u00a0P4 \u7f16\u8f91\u5668\u4ee3\u7801\u3002<\/p>\n<p>\u5bf9\u4e8e\u5e94\u7528\u5c42\u5b89\u5168\u5b9e\u73b0\uff0c\u5bf9\u6570\u636e\u5305\u91cd\u5199\u64cd\u4f5c\u7684\u9700\u6c42\u66f4\u52a0\u590d\u6742\u3002\u4f8b\u5982\uff0c\u5982\u679c TCP \u6570\u636e\u5305\u5728 FPGA \u5185\u7ec8\u6b62\uff0c\u5219\u4f1a\u8bdd\u8ffd\u8e2a\u4e0e\u5c01\u88c5\/\u89e3\u5c01\u9700\u6c42\u4f1a\u6bd4 IPSec \u6216 MACSec \u6570\u636e\u5305\u4fee\u6539\u9700\u6c42\u9700\u8981\u66f4\u591a\u7684\u903b\u8f91\u4e0e\u5b58\u50a8\u5668\u8d44\u6e90\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u6570\u636e\u5305\u4fee\u6539\u4efb\u52a1\u4e5f\u53ef\u4ee5\u5728\u8f6f\u4ef6\uff08\u8fd0\u884c CPU \u6838\u5fc3\uff09\u4e2d\u6267\u884c\uff0c\u4f46\u662f\u9ad8\u7aef\u5b89\u5168\u8bbe\u5907\u6240\u9700\u7684\u541e\u5410\u91cf\u65e0\u6cd5\u901a\u8fc7\u8f6f\u4ef6\u5b9e\u73b0\u65b9\u6848\u6ee1\u8db3\u7ebf\u8def\u901f\u7387\u64cd\u4f5c\u3002\u5728\u53ef\u7f16\u7a0b\u786c\u4ef6\u4e2d\u6267\u884c\u6570\u636e\u5305\u5904\u7406\u64cd\u4f5c\u7684\u53e6\u4e00\u4e2a\u5173\u952e\u4f18\u52bf\u662f\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u7684 CPU \u8d44\u6e90\uff08CPU \u6838\u5fc3\uff09\uff0c\u8282\u7701\u4e0b\u6765\u7684\u8d44\u6e90\u53ef\u4ee5\u5206\u914d\u7ed9\u8f6f\u4ef6\u4e2d\u8fd0\u884c\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n<p><strong>FPGA \u4e2d\u7684\u5e94\u7528\u7ea7\u5b89\u5168\u5904\u7406<\/strong><\/p>\n<p>FPGA \u662f\u65b0\u4e00\u4ee3\u9632\u706b\u5899\u5185\u8054\u5b89\u5168\u5904\u7406\u7684\u7406\u60f3\u9009\u62e9\uff0c\u8fd9\u662f\u56e0\u4e3a\u91c7\u7528 FPGA \u53ef\u4ee5\u6210\u529f\u6ee1\u8db3\u5bf9\u66f4\u9ad8\u6027\u80fd\u3001\u7075\u6d3b\u6027\u548c\u4f4e\u65f6\u5ef6\u64cd\u4f5c\u7684\u9700\u6c42\u3002\u6b64\u5916\uff0cFPGA \u8fd8\u53ef\u4ee5\u5b9e\u73b0\u5e94\u7528\u7ea7\u5b89\u5168\u529f\u80fd\uff0c\u4ece\u800c\u8fdb\u4e00\u6b65\u8282\u7701\u8ba1\u7b97\u8d44\u6e90\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>FPGA \u4e2d\u6709\u5173\u5e94\u7528\u5b89\u5168\u5904\u7406\u7684\u5e38\u89c1\u793a\u4f8b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u00b7TTCP \u5378\u8f7d\u5f15\u64ce<\/li>\n<li>\u00b7\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d<\/li>\n<li>\u00b7\u975e\u5bf9\u79f0\u52a0\u5bc6 \uff08PKI\uff09 \u5904\u7406<\/li>\n<li>\u00b7TLS \u5904\u7406<\/li>\n<\/ul>\n<p>\u7531\u4e8e\u4f17\u591a\u7528\u6237\u7a7a\u95f4\u5e94\u7528\u91c7\u7528 TCP \u4f5c\u4e3a\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u6a21\u5f0f\u4e0b\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5e76\u4e14 TCP \u662f\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5b89\u5168 \uff08TLS\/SSL\uff09 \u8fde\u63a5\u57fa\u672c\u5757\uff0c\u56e0\u6b64 TCP \u5378\u8f7d\u5f15\u64ce \uff08TOE\uff09 \u662f\u7528\u4e8e\u5185\u8054 FPGA \u5904\u7406\u7684\u91cd\u8981\u5378\u8f7d\u5757\u3002\u4f01\u4e1a\u9632\u706b\u5899\u901a\u5e38\u540c\u65f6\u7ec8\u6b62\u5927\u91cf TCP \u8fde\u63a5\uff0c\u8fd9\u5c06\u6d88\u8017\u5927\u91cf\u7684 CPU \u5468\u671f\u4e0e\u5b58\u50a8\u5668\u3002\u4e3a\u4e86\u5b9e\u73b0\u5e94\u7528\u7ea7\u5b89\u5168\u5904\u7406\uff0c\u53ef\u80fd\u9700\u8981\u91c7\u7528\u62e5\u6709\u5927\u91cf\u6838\u5fc3\u7684\u6602\u8d35\u7684\u9ad8\u7aef CPU \u6765\u7ec8\u6b62\u4f17\u591a TCP\/UDP \u8fde\u63a5\u3002FPGA \u4e2d\u7684 TCP \u5904\u7406\u5b9e\u73b0\u65b9\u6848\u901a\u8fc7\u8282\u7701\u4f17\u591a\u5b9e\u73b0 TOE \u6240\u9700\u7684\u5185\u6838\uff0c\u80fd\u591f\u663e\u8457\u8282\u7ea6\u6210\u672c\u548c\u529f\u8017\u3002<\/p>\n<p>\u56fe 8 \u663e\u793a\u4e86\u5b89\u5168\u8bbe\u5907\u4e2d\u7531 FPGA \u8f85\u52a9\u5b8c\u6210\u6570\u636e\u5305\u5904\u7406\u7684\u793a\u4f8b\u3002\u7531\u4e8e\u8fdb\u5165\u9632\u706b\u5899\u7f51\u7edc\u63a5\u53e3\u7684\u6570\u636e\u5305\u53ef\u80fd\u5c5e\u4e8e\u4f17\u591a\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u56e0\u6b64\u8ffd\u8e2a\u4e0e\u591a\u4e2a\u5e94\u7528\u5173\u8054\u7684\u6570\u636e\u5305\uff0c\u5e76\u5c06\u5176\u53d1\u9001\u5230\u6b63\u786e\u5e94\u7528\u6216\u8005\u5728\u6b63\u786e\u5e94\u7528\u8fdb\u884c\u63a5\u6536\u662f\u4e00\u79cd\u9700\u8981\u5360\u7528\u5927\u91cf\u5b58\u50a8\u5668\u7684\u72b6\u6001\u5316\u64cd\u4f5c\u3002\u6b64\u5916\uff0c\u4e0a\u8ff0\u5173\u8054\u8fd8\u9700\u8981\u5bf9 TCP \u6bb5\u8fdb\u8fdb\u884c\u91cd\u65b0\u6392\u5e8f\u3001\u5206\u6bb5\u548c\u91cd\u7ec4\u3002\u867d\u7136\u4ecd\u7136\u53ef\u4ee5\u91c7\u7528 CPU \u5904\u7406\u534f\u8bae\u6d88\u606f\u7684\u65b0\u8fde\u63a5\u8bf7\u6c42\u4e0e\u8ba4\u8bc1\uff0c\u4f46\u662f FPGA \u53ef\u4ee5\u8ffd\u8e2a\u6d3b\u52a8\u4f1a\u8bdd\u5e76\u4e14\u6839\u636e\u4f1a\u8bdd ID \u5c06\u6570\u636e\u5305\u5206\u914d\u7ed9\u76f8\u5173\u5e94\u7528\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8384\" title=\"poYBAGHBkOmAe5k3AADGYFBKwAw883\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOmAe5k3AADGYFBKwAw883.png\" alt=\"poYBAGHBkOmAe5k3AADGYFBKwAw883\" width=\"720\" height=\"265\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOmAe5k3AADGYFBKwAw883.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkOmAe5k3AADGYFBKwAw883-300x110.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 8\uff1a\u91c7\u7528 FPGA\u8fdb\u884c\u5e94\u7528\u7ea7\u72b6\u6001\u5904\u7406<\/p>\n<p><strong>FPGA \u4e2d\u7684 TLS \u5378\u8f7d\/\u5904\u7406<\/strong><\/p>\n<p>FPGA \u7684 TLS \u5904\u7406\u529f\u80fd\u662f TCP \u5378\u8f7d\u5f15\u64ce\u7684\u6269\u5c55\uff0c\u5176\u4e2d TCP \u6709\u6548\u8f7d\u8377\u7684\u52a0\u5bc6\u4e0e\u89e3\u5bc6\u5728 FPGA \u4e2d\u6267\u884c\u3002TSL \u4f1a\u8bdd\u7684\u53d1\u8d77\u4e0e\u8ba4\u8bc1\u5728\u8f6f\u4ef6\u4e2d\u6267\u884c\uff08CPU\uff09\u3002\u5728\u5efa\u7acb\u5b89\u5168\u8fde\u63a5\u65f6\uff0c\u7531 FPGA \u6267\u884c\u540e\u7eed\u7684 TLS \u8bb0\u5f55\u5904\u7406\u3002<\/p>\n<p>\u56fe 9 \u663e\u793a\u4e86\u5728\u8d5b\u7075\u601d\u5668\u4ef6\u4e2d\u4f5c\u4e3a CPU \u5378\u8f7d\u7684\u5b8c\u6574\u5185\u8054 SSL \u5904\u7406\u529f\u80fd\u7684\u7ec4\u4ef6\u3002\u8d5b\u7075\u601d\u5668\u4ef6\u53ef\u4ee5\u5b9e\u73b0\u6574\u4e2a\u903b\u8f91\uff0c\u4ee5\u5904\u7406 100G\u00a0<u>\u4ee5\u592a\u7f51\u63a5\u53e3<\/u>\u6570\u636e\u5305\u3002\u5b83\u53ef\u4ee5\u8bc6\u522b TCP \u4e0e TLS \u6d41\uff0c\u5e76\u4e14\u76f8\u5e94\u5730\u5c06\u6570\u636e\u5305\u5f15\u5bfc\u5230\u76f8\u5173 CPU \u6216\u8005\u91c7\u7528\u53ef\u7f16\u7a0b\u8d44\u6e90\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8387\" title=\"pYYBAGHBkPCAa_ylAAD_gdCPaCQ604\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkPCAa_ylAAD_gdCPaCQ604.png\" alt=\"pYYBAGHBkPCAa_ylAAD_gdCPaCQ604\" width=\"720\" height=\"418\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkPCAa_ylAAD_gdCPaCQ604.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/pYYBAGHBkPCAa_ylAAD_gdCPaCQ604-300x174.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 9\uff1aFPGA \u4e2d\u7684 TLS \u5378\u8f7d<\/p>\n<p><strong>FPGA \u4e2d\u7684\u6b63\u5219\u8868\u8fbe\u5f0f \uff08Regex\uff09<\/strong><\/p>\n<p>\u6b63\u5219\u8868\u8fbe\u5f0f \uff08regex\uff09 \u6d89\u53ca\u6d41\u91cf\u7684\u6709\u6548\u8f7d\u8377\u6570\u636e\u4e2d<u>\u5b57\u7b26<\/u>\u4e32\u6216\u7279\u6b8a\u5b57\u7b26\u7684\u5339\u914d\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e D<u>PI<\/u>\u3001IPS\/IDS\u3001DLP \u548c DDoS \u9632\u62a4\u3002Regex \u5339\u914d\u901a\u5e38\u662f\u5728\u8f6f\u4ef6\u4e2d\u6267\u884c\uff0c\u5176\u91c7\u7528\u4e13\u7528\u8f6f\u4ef6\u5e93\u3002\u7531\u4e8e regex \u641c\u7d22\u9700\u8981\u9488\u5bf9\u4f17\u591a\u89c4\u5219\u5bf9\u6709\u6548\u8f7d\u8377\u8fdb\u884c\u5339\u914d\uff0c\u56e0\u6b64\u7eaf\u8f6f\u4ef6 regex \u5904\u7406\u7ed9\u65b0\u4e00\u4ee3\u5b89\u5168\u8bbe\u5907\u5e26\u6765\u4e86\u6027\u80fd\u4e0e\u65f6\u5ef6\u6311\u6218\u3002<\/p>\n<p>\u56fe 10 \u8bf4\u660e\u4e86\u91c7\u7528\u8d5b\u7075\u601d\u5668\u4ef6\u7684 100Gb\/s \u5185\u8054 regex \u5904\u7406\u3002\u5728\u6b64 regex \u52a0\u901f\u5904\u7406\u6a21\u578b\u4e2d\uff0cPerl \u517c\u5bb9\u6b63\u5219\u8868\u8fbe\u5f0f \uff08PCRE\uff09 \u6216 Snort \u89c4\u5219\u9996\u5148\u5728\u8f6f\u4ef6\u7f16\u8bd1\u5668\u4e2d\u8fdb\u884c\u7f16\u8bd1\uff0c\u7136\u540e\u901a\u8fc7 PCI \u63a5\u53e3\u53d1\u9001\u5230\u4e0e CPU \u8fde\u63a5\u7684 FPGA\uff0c\u4f5c\u4e3a\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32\u5339\u914d\u89c4\u5219\u6761\u76ee\u4fdd\u5b58\u5230 FPGA \u7684\u5185\u90e8 SRAM \u6216DRAM\uff08HBM \u6216 DDR\uff09\u5b58\u50a8\u5668\u3002FPGA \u4f1a\u5728\u5185\u90e8 SRAM \u6216 DRAM \uff08\u7247\u4e0a HBM \u6216\u5916\u90e8 DDR\uff09\u4e2d\u586b\u5145\u5927\u91cf regex \u89c4\u5219\/\u6761\u76ee\uff08\u8f6c\u6362\u6210\u4e8c\u8fdb\u5236\u7684\u7279\u6b8a\u5b57\u7b26\u4e0e\u5b57\u7684\u7ec4\u5408\uff09\u3002regex \u5904\u7406\u7684\u5185\u8054\u52a0\u901f\u4e0e\u8f6f\u4ef6\u76f8\u6bd4\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6027\u80fd\uff0810-30 \u500d\uff09\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8386\" title=\"poYBAGHBkPiABCj4AADNEHAclqU911\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkPiABCj4AADNEHAclqU911.png\" alt=\"poYBAGHBkPiABCj4AADNEHAclqU911\" width=\"712\" height=\"535\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkPiABCj4AADNEHAclqU911.png 712w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkPiABCj4AADNEHAclqU911-300x225.png 300w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/p>\n<p>\u56fe 10\uff1aFPGA \u4e2d\u7684 Regex \u5339\u914d<\/p>\n<p><strong>\u57fa\u4e8e FPGA \u7684\u5b89\u5168\u8bbe\u5907\u4e2d\u7684\u673a\u5668\u5b66\u4e60 \uff08ML\uff09<\/strong><\/p>\n<p>\u5728\u65b0\u4e00\u4ee3\u5b89\u5168\u8bbe\u5907\u4e2d\uff0c\u57fa\u4e8e ML \u7684\u6d41\u91cf\u5206\u6790\u4e0e\u6076\u610f\u8f6f\u4ef6\u68c0\u6d4b\u662f\u5173\u952e\u5e94\u7528\u4e4b\u4e00\u3002ML \u6a21\u578b\u5c06\u4f1a\u88ab\u90e8\u7f72\u7528\u4e8e\u901a\u8fc7\u5206\u6790\u52a0\u5bc6\u6570\u636e\u4e2d\u7684\u7279\u5b9a\u6a21\u5f0f\u800c\u5b9e\u73b0\u7684\u52a0\u5bc6\u6d41\u91cf\u68c0\u6d4b\u3002\u5728\u9ad8\u7aef\u5b89\u5168\u8bbe\u5907\u4e2d\uff0c\u5219\u9700\u8981\u91c7\u7528 ML \u6a21\u578b\u5904\u7406\u6d77\u91cf\u5b9e\u65f6\u6570\u636e\uff0c\u4ee5\u4fbf\u9884\u6d4b\u5f02\u5e38\uff0c\u56e0\u6b64\u91c7\u7528\u52a0\u901f\u5668\u5b9e\u73b0 ML \u6a21\u578b\u5c06\u7ed9\u9ad8\u541e\u5410\u91cf\u4e0e\u4f4e\u65f6\u5ef6\u6076\u610f\u8f6f\u4ef6\u9884\u6d4b\u5e26\u6765\u5de8\u5927\u4f18\u52bf\u3002\u9632\u706b\u5899\u5df2\u7ecf\u5f00\u59cb\u5728\u8f6f\u4ef6\u4e2d\u90e8\u7f72\u7528\u4e8e\u5f02\u5e38\u68c0\u6d4b\u7684 ML \u6a21\u578b\u3002\u5728\u65b0\u4e00\u4ee3\u8bbe\u5907\u4e2d\uff0c\u8d5b\u7075\u601d\u53ef\u7f16\u7a0b\u5668\u4ef6\u5c06\u4f1a\u901a\u8fc7\u5c06 ML \u6a21\u578b\u5378\u8f7d\u5230\u53ef\u7f16\u7a0b\u903b\u8f91\u800c\u63d0\u4f9b\u663e\u8457\u63d0\u9ad8\u7684\u9884\u6d4b\u901f\u5ea6\u3002<\/p>\n<p><strong>\u6b64\u7c7b\u57fa\u4e8e FPGA \u7684 ML \u6a21\u578b\u5305\u62ec\uff1a<\/strong><\/p>\n<p>\u00b7\u968f\u673a\u6811\uff08\u968f\u673a\u68ee\u6797\uff09<\/p>\n<p>\u00b7\u6df1\u5ea6<u>\u795e\u7ecf\u7f51\u7edc<\/u>\u00a0\uff08DNN\uff09<\/p>\n<ul>\n<li>\u591a\u5c42\u611f\u77e5\u673a \uff08MLP\uff09 \u6216\u5377\u79ef\u795e\u7ecf\u7f51\u7edc \uff08CNN\uff09<\/li>\n<\/ul>\n<p>\u63a8\u65ad\u6a21\u578b\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u591a\u79cd\u56e0\u7d20\uff0c\u5982\uff1a\u51c6\u786e\u6027\u3001\u8f93\u5165\u6a21\u5f0f\u6539\u53d8\u9891\u7387\u3001\u8bad\u7ec3\u9700\u6c42\u3001FPGA \u8d44\u6e90\u5229\u7528\u7387\u7b49\u3002<\/p>\n<p>\u8d5b\u7075\u601d ML \u89e3\u51b3\u65b9\u6848\u5305\u62ec\u652f\u6301\u5927\u591a\u6570\u5e38\u7528 ML \u6846\u67b6\u7684\u8f6f\u4ef6\u5e93\u4e0e\u5de5\u5177\u3002\u8fd9\u4e9b\u6a21\u578b\u53ef\u4ee5\u9ad8\u6548\u6620\u5c04\u5230\u8d5b\u7075\u601d\u53ef\u7f16\u7a0b\u5668\u4ef6\u4ee5\u53ca Versal ACAP \u6240\u63d0\u4f9b\u7684\u00a0<u>AI<\/u>\u00a0\u5f15\u64ce\u4e2d\u7684\u67e5\u627e\u8868 \uff08LUT\uff09\u3001<u>DSP<\/u>\u00a0\u4e0e SRAM\/DRAM \u5b58\u50a8\u5668\u3002<\/p>\n<p>\u9488\u5bf9 FPGA \u4e2d\u5b89\u5168\u5206\u6790\u529f\u80fd\u5b9e\u73b0 ML \u6a21\u578b\u7684\u53e6\u4e00\u4e2a\u4f18\u52bf\u662f\u6076\u610f\u8f6f\u4ef6\u9884\u6d4b\u6240\u9700\u8981\u7684\u5185\u8054\u6d41\u91cf\/\u6570\u636e\u5305\u5904\u7406\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a FPGA \u4e2d\u6267\u884c\u3002\u5728 ML \u6a21\u578b\u7684\u5185\u8054\u5b9e\u73b0\u65b9\u6848\u4e2d\uff0c\u5c06\u7f51\u7edc\u63a5\u53e3\u8fde\u63a5\u5230\u540c\u4e00\u4e2a FPGA \u53ef\u4ee5\u8282\u7701\u4ece CPU \u5411 ML \u6a21\u578b\u53d1\u9001\u6570\u636e\u6240\u9700\u7684 PCIe\u00ae \u5e26\u5bbd\u3002<\/p>\n<p>\u56fe 11 \u663e\u793a\u4e86 ML \u6a21\u578b\u5728 200Gb\/s \u9632\u706b\u5899\u4e2d\u7684\u5e94\u7528\u3002TLS \u5904\u7406\u5668\u5177\u6709 TSL \u89e3\u6790\u5668\u4ee5\u53ca IP \u6570\u636e\u62a5\u4e2d TLS \u53c2\u6570\u63d0\u53d6\u529f\u80fd\u3002\u968f\u540e\uff0c\u8fd9\u4e9b\u53c2\u6570\u53cd\u9988\u7ed9 ML\u300a5018\/\u300b \u5904\u7406\u5668\uff0c\u4ee5\u4fbf\u67e5\u627e\u548c\u8c03\u8282 ML \u6a21\u578b\u7684\u7cfb\u6570\u3002\u6839\u636e\u76f8\u5173\u7cfb\u6570\uff0c\u6a21\u578b\u53ef\u4ee5\u9884\u6d4b TSL \u6d41\u91cf\u7684\u5584\u610f\u4e0e\u6076\u610f\u7b7e\u540d\u3002<\/p>\n<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8388\" title=\"poYBAGHBkQuAb3XLAAE2UNk3Hjc639\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkQuAb3XLAAE2UNk3Hjc639.png\" alt=\"poYBAGHBkQuAb3XLAAE2UNk3Hjc639\" width=\"720\" height=\"412\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkQuAb3XLAAE2UNk3Hjc639.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/12\/poYBAGHBkQuAb3XLAAE2UNk3Hjc639-300x172.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>\u56fe 11\uff1a\u5b89\u5168\u8bbe\u5907\u4e2d\u7684 ML \u6a21\u578b<\/p>\n<p><strong>\u91c7\u7528 FPGA \u7684\u65b0\u4e00\u4ee3\u5b89\u5168\u6280\u672f<\/strong><\/p>\n<p><strong>\u540e\u91cf\u5b50\u52a0\u5bc6<\/strong><\/p>\n<p>\u4f17\u591a\u73b0\u6709\u7684\u975e\u5bf9\u79f0\u7b97\u6cd5\u5bb9\u6613\u53d7\u5230<u>\u91cf\u5b50\u8ba1\u7b97\u673a<\/u>\u7684\u7834\u574f\u3002\u5bf9\u91cf\u5b50\u8ba1\u7b97\u5b89\u5168\u52a0\u5bc6\u7b97\u6cd5\u7684\u7814\u7a76\u548c\u5b9e\u73b0\u5df2\u7ecf\u8d77\u6b65\uff0c\u800c\u5df2\u7ecf\u6709\u5b66\u672f\u8bba\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u91c7\u7528 FPGA \u5b9e\u73b0\u6b64\u7c7b\u7b97\u6cd5\u3002<u>RS<\/u>A-2K\u3001RSA-4K\u3001ECC-256\u3001DH \u548c ECCDH \u7b49\u975e\u5bf9\u79f0\u5b89\u5168\u7b97\u6cd5\u53d7\u5230\u91cf\u5b50\u8ba1\u7b97\u6280\u672f\u7684\u5f71\u54cd\u6700\u5927\u3002\u76ee\u524d\u6b63\u5728\u63a2\u8ba8\u65b0\u7684\u975e\u5bf9\u79f0\u7b97\u6cd5\u5b9e\u73b0\u65b9\u6848\u548c NIST \u6807\u51c6\u5316\u3002<\/p>\n<p>\u76ee\u524d\u63d0\u8bae\u7684\u540e\u91cf\u5b50\u52a0\u5bc6\uff08PQC\uff09\u5305\u62ec\u9488\u5bf9\u4ee5\u4e0b\u65b9\u9762\u7684\u73af\u4e0a\u8bef\u5dee\u5b66\u4e60 \uff08R- LWE\uff09 \u7b97\u6cd5\uff1a<\/p>\n<ul>\n<li>\u00b7\u516c\u5171\u5bc6\u94a5\u52a0\u5bc6 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