{"id":973,"date":"2026-01-24T15:54:34","date_gmt":"2026-01-24T07:54:34","guid":{"rendered":"https:\/\/www.ndnlab.com\/?p=973"},"modified":"2026-01-24T15:56:09","modified_gmt":"2026-01-24T07:56:09","slug":"jupiter-evolving-transforming-googles-datacenter-network-via-optical-circuit-switches-and-software-defined-networking","status":"publish","type":"post","link":"https:\/\/www.ndnlab.com\/?p=973","title":{"rendered":"Jupiter Evolving: Transforming Google’s Datacenter Network via Optical Circuit Switches and Software-Defined Networking"},"content":{"rendered":"\n

https:\/\/dl.acm.org\/doi\/10.1145\/3544216.3544265<\/a><\/p>\n\n\n\n

\u4e00\u3001\u7814\u7a76\u80cc\u666f\u4e0e\u52a8\u673a\uff1a\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u7684\u6301\u7eed\u6f14\u8fdb\u6311\u6218<\/h2>\n\n\n\n

\u8fd1\u5e74\u6765\uff0c\u5927\u91cf\u5e94\u7528\u548c\u670d\u52a1\u8fc1\u79fb\u81f3\u4e91\u6570\u636e\u4e2d\u5fc3\uff0c\u7531\u6b64\u5e26\u6765\u7684\u9700\u6c42\u589e\u957f\u63a8\u52a8\u4e86\u4e91\u8ba1\u7b97\u3001\u5b58\u50a8\u4ee5\u53ca\u7f51\u7edc\u6280\u672f<\/strong>\u7684\u6301\u7eed\u6f14\u8fdb\u3002\u5c3d\u7ba1\u7f51\u7edc\u6280\u672f\uff08\u5982\u7535\u4ea4\u6362\u673a\u7684\u7aef\u53e3\u5bc6\u5ea6\u3001\u5355\u7aef\u53e3\u5bb9\u91cf\u3001\u6536\u53d1\u5668\u6bd4\u7279\u7387\uff09\u6bcf\u9694\u51e0\u5e74\u5c31\u4f1a\u53d6\u5f97\u8fdb\u6b65\uff0c\u4f46\u5c06\u8fd9\u4e9b\u65b0\u6280\u672f\u6574\u5408\u5230\u9ad8\u53ef\u7528\u6027<\/strong>\u548c\u5927\u89c4\u6a21<\/strong>\u7f51\u7edc\u4e2d\u4ecd\u7136\u5145\u6ee1\u6311\u6218\u3002<\/p>\n\n\n\n

\u4e91\u57fa\u7840\u8bbe\u65bd\u7684\u589e\u957f\u662f\u6e10\u8fdb\u5f0f\u7684\uff0c\u901a\u5e38\u4e00\u6b21\u53ea\u589e\u52a0\u4e00\u4e2a\u673a\u67b6\u751a\u81f3\u4e00\u53f0\u670d\u52a1\u5668\u3002\u56e0\u6b64\uff0c\u586b\u6ee1\u4e00\u4e2a\u6700\u521d\u7a7a\u7f6e\u7684\u5efa\u7b51\u9700\u8981\u6570\u6708\u751a\u81f3\u6570\u5e74\u3002\u4e00\u65e6\u521d\u59cb\u586b\u6ee1\uff0c\u57fa\u7840\u8bbe\u65bd\u53c8\u4f1a\u7ee7\u7eed\u6e10\u8fdb\u5f0f\u6f14\u8fdb\u3002\u901a\u5e38\uff0c\u5bf9\u4e8e\u7f51\u7edc\u751f\u547d\u5468\u671f\u5185\u5c06\u8981\u8fc1\u5165\u6216\u8fc1\u51fa\u7684\u670d\u52a1\u5668\u3001\u5b58\u50a8\u3001\u52a0\u901f\u5668\u6216\u670d\u52a1\u7c7b\u578b\uff0c\u5e76\u6ca1\u6709\u9884\u5148\u7684\u84dd\u56fe\u3002\u6307\u6570\u7ea7\u589e\u957f\u548c\u4e0d\u65ad\u53d8\u5316\u7684\u4e1a\u52a1\u9700\u6c42\u610f\u5473\u7740\uff0c\u6700\u5468\u5bc6\u7684\u8ba1\u5212\u4e5f\u4f1a\u5f88\u5feb\u8fc7\u65f6\u548c\u4f4e\u6548\uff0c\u4f7f\u5f97\u589e\u91cf\u5f0f\u81ea\u9002\u5e94\u6f14\u8fdb<\/strong>\u6210\u4e3a\u5fc5\u7136\u3002<\/p>\n\n\n\n

\u8fd9\u7bc7\u6765\u81ea Google \u7684\u8bba\u6587\u5c55\u793a\u4e86 Jupiter \u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u8fd1\u5341\u5e74\u7684\u6f14\u8fdb\u5386\u7a0b\u548c\u751f\u4ea7\u7ecf\u9a8c\u3002\u5728\u6b64\u671f\u95f4\uff0cJupiter \u5b9e\u73b0\u4e86 5\u500d<\/strong> \u7684\u901f\u5ea6\u548c\u5bb9\u91cf\u63d0\u5347\u300130%<\/strong> \u7684\u8d44\u672c\u652f\u51fa\u964d\u4f4e\u300141%<\/strong> \u7684\u529f\u8017\u964d\u4f4e\uff0c\u540c\u65f6\u652f\u6301\u589e\u91cf\u90e8\u7f72\u548c\u6280\u672f\u5237\u65b0\uff0c\u4e14\u5168\u7a0b\u670d\u52a1\u4e8e\u5b9e\u65f6\u751f\u4ea7\u6d41\u91cf\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u6838\u5fc3\u95ee\u9898\uff1aClos \u67b6\u6784\u7684\u810a\u5c42\u74f6\u9888<\/h2>\n\n\n\n

\u8ba1\u7b97\u548c\u5b58\u50a8\u57fa\u7840\u8bbe\u65bd\u7684\u589e\u91cf\u5237\u65b0\u76f8\u5bf9\u7b80\u5355\uff1a\u5728\u6570\u636e\u4e2d\u5fc3\u7684\u6570\u767e\u6216\u6570\u5343\u4e2a\u673a\u67b6\u4e2d\uff0c\u6392\u7a7a\u4e00\u4e2a\u673a\u67b6\u7684\u5bb9\u91cf\u5e76\u7528\u65b0\u4e00\u4ee3\u786c\u4ef6\u66ff\u6362\u5373\u53ef\u3002\u7136\u800c\uff0c\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u7684\u589e\u91cf\u5237\u65b0\u66f4\u5177\u6311\u6218\u6027<\/strong>\uff0c\u56e0\u4e3a Clos \u67b6\u6784\u9700\u8981\u9884\u5148\u4e3a\u6574\u4e2a\u7f51\u7edc\u6784\u5efa\u81f3\u5c11\u810a\u5c42\uff08Spine Layer\uff09\u3002\u8fd9\u6837\u505a\u4e0d\u5e78\u5730\u5c06\u6570\u636e\u4e2d\u5fc3\u53ef\u7528\u5e26\u5bbd\u9650\u5236\u5728\u810a\u5c42\u90e8\u7f72\u65f6\u53ef\u7528\u7684\u7f51\u7edc\u6280\u672f\u901f\u5ea6\u3002<\/p>\n\n\n\n

\u8003\u8651\u4e00\u4e2a\u901a\u7528\u7684\u4e09\u5c42 Clos \u7f51\u7edc\uff0c\u5305\u62ec\u5e26\u6709\u67b6\u9876\u4ea4\u6362\u673a\uff08ToR\uff09\u7684\u673a\u67b6\u3001\u8fde\u63a5\u673a\u67b6\u7684\u805a\u5408\u5757\uff08Aggregation Block\uff09\u548c\u8fde\u63a5\u805a\u5408\u5757\u7684\u810a\u5757\uff08Spine Block\uff09\u3002\u4f20\u7edf\u7684 Clos \u65b9\u6cd5\u9700\u8981\u5728\u7b2c\u4e00\u5929\u5c31\u4ee5\u5f53\u65f6\u7684\u6280\u672f\u9884\u5148\u6784\u5efa\u6700\u5927\u89c4\u6a21\u7684\u810a\u5c42\u3002\u4f7f\u7528 40Gbps \u6280\u672f\u65f6\uff0c\u6bcf\u4e2a\u810a\u5757\u652f\u6301 20Tbps \u7684\u7a81\u53d1\u5e26\u5bbd\u3002\u5f53\u4e0b\u4e00\u4ee3 100Gbps \u6280\u672f\u53ef\u7528\u65f6\uff0c\u65b0\u7684\u805a\u5408\u5757\u53ef\u4ee5\u652f\u6301 51.2Tbps \u7684\u7a81\u53d1\u5e26\u5bbd\uff0c\u4f46\u8fd9\u4e9b\u5757\u4f1a\u88ab\u9650\u5236\u5728\u9884\u5148\u5b58\u5728\u7684\u810a\u5757\u7684 40Gbps \u94fe\u8def\u901f\u5ea6\uff0c\u5c06\u6bcf\u4e2a\u805a\u5408\u5757\u7684\u5bb9\u91cf\u964d\u81f3 20Tbps\u3002<\/p>\n\n\n\n

\"Jupiter<\/figure>\n\n\n\n

\u56fe\u4e00\u3001\u4e09\u5c42 Clos \u7f51\u7edc\u67b6\u6784<\/strong>\uff1a\u5c55\u793a\u4e86\u673a\u67b6\u3001\u805a\u5408\u5757\u548c 40Gbps \u810a\u5757\u7684\u8fde\u63a5\u5173\u7cfb\u3002\u6240\u6709\u810a\u5c42\u5728\u7b2c\u4e00\u5929\u90e8\u7f72\uff0c\u7b2c\u4e8c\u5929\u90e8\u7f72\u7684\u5757\u7528\u84dd\u8272\u6807\u51fa\uff0c\u7b2c N \u5929\u90e8\u7f72\u7684\u5757\u7528\u7ea2\u8272\u6807\u51fa\u3002\u6765\u81ea 100Gbps \u805a\u5408\u5757\u7684\u94fe\u8def\u56e0 40Gbps \u810a\u5c42\u800c\u88ab\u964d\u901f\u3002<\/p>\n\n\n\n

\u4e09\u3001\u521b\u65b0\u65b9\u6848\uff1a\u57fa\u4e8e\u5149\u7535\u8def\u4ea4\u6362\u7684\u76f4\u8fde\u62d3\u6251<\/h2>\n\n\n\n

Google \u63d0\u51fa\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u7aef\u5230\u7aef\u8bbe\u8ba1\uff0c\u5f15\u5165\u5149\u7535\u8def\u4ea4\u6362\u673a\uff08Optical Circuit Switches, OCS\uff09<\/strong>\uff0c\u5c06 Jupiter \u4ece Clos \u62d3\u6251\u8f6c\u53d8\u4e3a\u5757\u7ea7\u76f4\u8fde\u62d3\u6251\uff08Direct-Connect Topology\uff09<\/strong>\uff0c\u5f7b\u5e95\u6d88\u9664\u4e86\u810a\u5c42\u4ea4\u6362\u5c42\u53ca\u5176\u76f8\u5173\u6311\u6218\uff0c\u4f7f Jupiter \u80fd\u591f\u589e\u91cf\u6574\u5408 40Gbps\u3001100Gbps\u3001200Gbps \u53ca\u66f4\u9ad8\u7684\u7f51\u7edc\u901f\u5ea6\u3002<\/p>\n\n\n\n

3.1 \u6570\u636e\u4e2d\u5fc3\u4e92\u8fde\u5c42\uff08DCNI\uff09<\/h3>\n\n\n\n

Jupiter \u5f15\u5165\u4e86\u4e00\u4e2a\u5149\u4ea4\u6362\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u4e92\u8fde\u5c42\uff08DCNI\uff09\u6765\u8fde\u63a5\u5404\u4e2a\u5757\u3002\u8be5\u5c42\u4f7f\u7528\u57fa\u4e8e MEMS\uff08\u5fae\u673a\u7535\u7cfb\u7edf\uff09\u7684\u5149\u7535\u8def\u4ea4\u6362\u673a\uff0c\u5b9e\u73b0\u5757\u95f4\u94fe\u8def\u7684\u5feb\u901f\u3001\u53ef\u9760\u548c\u9ad8\u6548\u91cd\u65b0\u6761\u5e26\u5316\uff08Restriping\uff09\u3002\u901a\u8fc7\u91cd\u65b0\u6761\u5e26\u5316\uff0c\u53ef\u4ee5\u5728\u589e\u91cf\u6dfb\u52a0\u805a\u5408\u5757\u548c\u810a\u5757\u7684\u540c\u65f6\uff0c\u4fdd\u6301\u6240\u6709\u805a\u5408\u5757\u4e4b\u95f4\u7684\u5168\u7a81\u53d1\u5e26\u5bbd\u3002<\/p>\n\n\n\n

\"Jupiter<\/figure>\n\n\n\n

\u56fe\u4e8c\u3001\u5149\u4ea4\u6362\u5c42 DCNI \u67b6\u6784<\/strong>\uff1a\u9876\u90e8\u5c55\u793a\u4e86 DCNI \u5c42\u5982\u4f55\u5728 Jupiter \u4e2d\u5b9e\u73b0\u589e\u91cf\u6269\u5c55\uff0c\u540c\u65f6\u5728\u805a\u5408\u5757\u4e4b\u95f4\u5b9e\u73b0\u5168\u7a81\u53d1\u5e26\u5bbd\uff1b\u5e95\u90e8\u5c55\u793a\u4e86\u903b\u8f91\u62d3\u6251\u3002DCNI \u5c42\u4f7f\u7528\u5149\u7535\u8def\u4ea4\u6362\u673a\uff08OCS\uff09\u5b9e\u73b0\uff0c\u5141\u8bb8\u5728\u6dfb\u52a0\u65b0\u5757\u65f6\u5bf9\u7f51\u7edc\u8fdb\u884c\u589e\u91cf\u91cd\u65b0\u5e03\u7ebf\u3002<\/p>\n\n\n\n

3.2 \u591a\u4ee3\u9645\u4e92\u64cd\u4f5c\u6027<\/h3>\n\n\n\n

\u805a\u5408\u5757\u548c\u810a\u5757\u662f\u90e8\u7f72\u5355\u5143\uff0c\u901a\u5e38\u91c7\u7528\u5f53\u5929\u6700\u5177\u6210\u672c\u548c\u6027\u80fd\u7ade\u4e89\u529b\u7684\u7f51\u7edc\u6280\u672f\u3002\u7136\u800c\uff0c\u7531\u4e8e\u6570\u636e\u4e2d\u5fc3\u7684\u751f\u547d\u5468\u671f\u8fdc\u8d85\u8fc7\u4e00\u9879\u6280\u672f\u7684\u7ade\u4e89\u5468\u671f\uff0c\u5728\u5355\u4e2a\u7f51\u7edc\u4e2d\u90e8\u7f72\u591a\u4ee3\u6280\u672f\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002Jupiter \u9700\u8981\u5141\u8bb8\u591a\u4ee3\u4ea4\u6362\u82af\u7247\u548c\u94fe\u8def\u901f\u5ea6\u5728\u6a21\u5757\u5316\u5757\u4e2d\u5171\u5b58\u548c\u4e92\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u5728\u805a\u5408\u5757\u63a5\u53e3\u4f7f\u7528\u7c97\u6ce2\u5206\u590d\u7528 4 \u901a\u9053\uff08CWDM4\uff09\u5149\u6a21\u5757\u662f\u5b9e\u73b0\u5f02\u6784\u7f51\u7edc\u4e2d\u8de8\u94fe\u8def\u4ee3\u9645\u7b80\u5355\u4e92\u64cd\u4f5c\u6027\u7684\u5173\u952e\u3002\u5f97\u76ca\u4e8e\u8fd9\u79cd\u4e92\u64cd\u4f5c\u6027\uff0cJupiter \u80fd\u591f\u589e\u91cf\u6f14\u8fdb\u5e76\u5c06\u5f02\u6784\u6027\u4f5c\u4e3a\u5e38\u6001\uff1a\u7ea6 2\/3 \u7684\u7f51\u7edc\u4e2d\u81f3\u5c11\u6709\u4e24\u4ee3\u805a\u5408\u5757<\/strong>\u3002<\/p>\n\n\n\n

\"Jupiter<\/figure>\n\n\n\n

\u56fe\u4e09\u3001\u4f7f\u7528\u73af\u5f62\u5668\u7684 Tx\/Rx \u53cc\u5de5\u548c\u8de8\u4ee3 cWDM \u5149\u5b66\u4e92\u64cd\u4f5c<\/strong>\uff1a\u5c55\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u73af\u5f62\u5668\u5b9e\u73b0\u6536\u53d1\u53cc\u5de5\uff0c\u4ee5\u53ca\u4e0d\u540c\u4ee3\u9645\u7684\u7c97\u6ce2\u5206\u590d\u7528\u5149\u5b66\u8bbe\u5907\u5982\u4f55\u4e0e OCS \u4e92\u64cd\u4f5c\u3002<\/p>\n\n\n\n

3.3 \u964d\u4f4e\u5149\u4ea4\u6362\u6210\u672c\u7684\u7b56\u7565<\/h3>\n\n\n\n

Google \u91c7\u7528\u4e86\u591a\u79cd\u6280\u672f\u6765\u964d\u4f4e\u5149\u4ea4\u6362\u5c42\u7684\u6210\u672c\uff1a<\/p>\n\n\n\n

    \n
  • \u4f7f\u7528\u73af\u5f62\u5668\u5c06 OCS \u7aef\u53e3\u51cf\u534a<\/strong>\uff1a\u4f7f\u7528\u5149\u5b66\u73af\u5f62\u5668\u5c06 Tx \u548c Rx \u53cc\u5de5\u5230\u5355\u6839\u5149\u7ea4\u4e2d\uff0c\u5c06\u6240\u9700\u7684 OCS \u7aef\u53e3\u548c\u5149\u7ea4\u6570\u91cf\u51cf\u534a\u3002<\/li>\n\n\n\n
  • \u589e\u91cf\u7aef\u53e3\u6269\u5c55<\/strong>\uff1a\u805a\u5408\u5757\u7684\u603b\u6d41\u91cf\u53d6\u51b3\u4e8e\u5757\u4e2d\u90e8\u7f72\u7684\u8ba1\u7b97\u548c\u5b58\u50a8\u5bb9\u91cf\u3001\u5e94\u7528\u7684\u7f51\u7edc\u5e26\u5bbd\u5f3a\u5ea6\u4ee5\u53ca\u5757\u5185\u6d41\u91cf\u7684\u672c\u5730\u6027\u7a0b\u5ea6\u3002Jupiter \u6700\u521d\u53ea\u914d\u7f6e\u4e00\u534a\u7684 DCNI \u7aef\u53e3\u5149\u5b66\u8bbe\u5907\uff0c\u652f\u6301\u7a0d\u540e\u5728\u5b9e\u65f6\u7f51\u7edc\u4e0a\u8fdb\u884c\u7aef\u53e3\u6269\u5c55\u3002<\/li>\n\n\n\n
  • DCNI \u7684\u589e\u91cf\u90e8\u7f72<\/strong>\uff1aDCNI \u4e0d\u9884\u5148\u90e8\u7f72\u6700\u5927\u89c4\u6a21\uff0c\u800c\u662f\u652f\u6301\u5728\u5b9e\u65f6\u7f51\u7edc\u4e0a\u4ee5 1\/8\u21921\/4\u21921\/2\u2192\u5168\u5c3a\u5bf8\u7684\u4e09\u4e2a\u589e\u91cf\u8fdb\u884c\u90e8\u7f72\u548c\u6269\u5c55\u3002<\/li>\n<\/ul>\n\n\n\n

    3.4 \u76f4\u8fde\u67b6\u6784\u7684\u4f18\u52bf<\/h3>\n\n\n\n

    \u591a\u79df\u6237\u548c\u5efa\u7b51\u7ea7\u7f51\u7edc\u5177\u6709\u76f8\u5bf9\u53ef\u9884\u6d4b\u7684\u6d41\u91cf\u6a21\u5f0f\uff0c\u5176\u4e0d\u786e\u5b9a\u6027\u8fdc\u672a\u8fbe\u5230\u6700\u574f\u60c5\u51b5\u7684\u7f6e\u6362\u6d41\u91cf\uff0c\u6d88\u9664\u4e86\u5bf9 Clos \u62d3\u6251\u6240\u652f\u6301\u7684\u6700\u574f\u60c5\u51b5\u7f6e\u6362\u6d41\u91cf\u975e\u963b\u585e\u8f6c\u53d1\u7684\u9700\u6c42\u3002\u57fa\u4e8e\u8fd9\u4e9b\u89c2\u5bdf\uff0cGoogle \u4ece\u62d3\u6251\u4e2d\u79fb\u9664\u4e86\u810a\u5757<\/strong>\uff0c\u8f6c\u800c\u91c7\u7528\u7531\u6d41\u91cf\u5de5\u7a0b<\/strong>\u548c\u62d3\u6251\u5de5\u7a0b<\/strong>\u5171\u540c\u4f18\u5316\u7684\u76f4\u8fde\u7f51\u7edc\u3002<\/p>\n\n\n\n

    \u76f4\u8fde\u67b6\u6784\u8fd8\u6d88\u9664\u4e86\u4e0e\u810a\u5757\u76f8\u5173\u7684\u6210\u672c\u548c\u529f\u8017\u3002\u8fd9\u79cd\u7ed3\u6784\u6027\u8fd0\u8425\u6210\u672c\u964d\u4f4e\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u5347\u7ea7\u5230\u6700\u65b0\u4e00\u4ee3\u786c\u4ef6\u5728\u6027\u80fd\u548c\u529f\u8017\u5f52\u4e00\u5316\u6210\u672c\u65b9\u9762\u7684\u56de\u62a5\u9012\u51cf\u3002<\/p>\n\n\n\n

    \"Jupiter<\/figure>\n\n\n\n

    \u56fe\u56db\u3001\u529f\u8017\u5f52\u4e00\u5316\u5e26\u5bbd\u7684\u9012\u51cf\u56de\u62a5<\/strong>\uff1a\u5c55\u793a\u4e86\u8fde\u7eed\u51e0\u4ee3\u4ea4\u6362\u673a\u548c\u5149\u5b66\u8bbe\u5907\u7684\u529f\u8017\uff08pJ\/b\uff09\u76f8\u5bf9\u4e8e 40Gbps \u4e00\u4ee3\u7684\u5f52\u4e00\u5316\u503c\u3002<\/p>\n\n\n\n

    \u56db\u3001\u76f4\u8fde Jupiter \u67b6\u6784\u8be6\u89e3<\/h2>\n\n\n\n

    Jupiter \u7684\u65b0\u67b6\u6784\u901a\u8fc7 DCNI \u5c42\u5c06\u805a\u5408\u5757\u76f4\u63a5\u76f8\u4e92\u8fde\u63a5\u3002\u521d\u59cb\u7f51\u7edc\u53ef\u4ee5\u4ec5\u7528\u4e24\u4e2a\u5757\u6784\u5efa\uff0c\u7136\u540e\u518d\u6269\u5c55\u3002\u5757\u4e4b\u95f4\u7684\u76f4\u63a5\u903b\u8f91\u94fe\u8def\u7531\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u4ece\u6bcf\u4e2a\u5757\u5230 OCS \u7684\u7269\u7406\u5757\u5230 OCS \u94fe\u8def\uff0c\u4ee5\u53ca\u8fde\u63a5\u8fd9\u4e9b\u94fe\u8def\u7684 OCS \u4ea4\u53c9\u8fde\u63a5\u3002\u5f97\u76ca\u4e8e OCS\uff0c\u903b\u8f91\u94fe\u8def\u53ef\u4ee5\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u52a8\u6001\u5f62\u6210\u3002<\/p>\n\n\n\n

    \"Jupiter<\/figure>\n\n\n\n

    \u56fe\u4e94\u3001\u589e\u91cf\u53ef\u90e8\u7f72\u7684 Jupiter \u76f4\u8fde\u62d3\u6251\u7f51\u7edc<\/strong>\uff1a\u5c55\u793a\u4e86\u52a8\u6001\u6d41\u91cf\u548c\u62d3\u6251\u5de5\u7a0b\u7684\u5de5\u4f5c\u539f\u7406\u3002\u2460\uff1a\u521d\u59cb\u6dfb\u52a0\u805a\u5408\u5757 A\u3001B\uff0c\u5404\u6709 512 \u6761\u4e0a\u884c\u94fe\u8def\u3002\u2461\uff1a\u6dfb\u52a0\u5757 C\u3002\u62d3\u6251\u5de5\u7a0b\u5f62\u6210\u5747\u5300\u7f51\u683c\u62d3\u6251\u4ee5\u5339\u914d\u5747\u5300\u7684\u7a33\u6001\u9700\u6c42\u77e9\u9635\u3002\u2462\uff1a\u6d41\u91cf\u5de5\u7a0b\u6839\u636e\u66f4\u7ec6\u7c92\u5ea6\u7684\u9700\u6c42\u8c03\u6574 WCMP \u6743\u91cd\u3002\u2463\uff1a\u6dfb\u52a0\u5757 D\uff08\u4ec5\u90e8\u5206\u673a\u67b6\uff09\u3002\u2464\uff1a\u5757 D \u6269\u5c55\u81f3 512 \u6761\u4e0a\u884c\u94fe\u8def\u3002\u2465\uff1a\u5757 C\u3001D \u5237\u65b0\u81f3 200G \u94fe\u8def\u901f\u5ea6\u3002<\/p>\n\n\n\n

    4.1 \u903b\u8f91\u62d3\u6251<\/h3>\n\n\n\n

    \u5bf9\u4e8e\u540c\u6784\u5757\u901f\u5ea6\u548c\u7aef\u53e3\u6570\uff0c\u91c7\u7528\u5747\u5300\u7f51\u683c<\/strong>\u4e92\u8fde\u5757\uff1b\u6bcf\u5bf9\u5757\u4e4b\u95f4\u6709\u76f8\u7b49\uff08\u76f8\u5dee\u4e0d\u8d85\u8fc7\u4e00\uff09\u6570\u91cf\u7684\u76f4\u63a5\u903b\u8f91\u94fe\u8def\u3002\u5747\u5300\u62d3\u6251\u5141\u8bb8\u4efb\u4f55\u5757\u5bf9\u4ec5\u4f7f\u7528\u76f4\u63a5\u548c\u5355\u8df3\u95f4\u63a5\u8def\u5f84\u5c31\u80fd\u7a81\u53d1\u5230\u5757\u7684\u5168\u51fa\u53e3\u5e26\u5bbd\u3002<\/p>\n\n\n\n

    \u5bf9\u4e8e\u4e0d\u540c\u7aef\u53e3\u6570\u7684\u540c\u6784\u5757\uff0c\u94fe\u8def\u6570\u91cf\u4e0e\u5b83\u4eec\u7aef\u53e3\u6570\u7684\u4e58\u79ef\u6210\u6bd4\u4f8b\u3002\u4f8b\u5982\uff0c\u4e24\u4e2a 512 \u7aef\u53e3\u5757\u4e4b\u95f4\u7684\u94fe\u8def\u6570\u91cf\u662f\u4e24\u4e2a 256 \u7aef\u53e3\u5757\u4e4b\u95f4\u7684 4 \u500d\u3002<\/p>\n\n\n\n

    \"Jupiter<\/figure>\n\n\n\n

    \u56fe\u516d\u3001\u591a\u7ea7\u903b\u8f91\u62d3\u6251\u5206\u89e3\u793a\u610f\u56fe<\/strong>\uff1a\u4ece\u4e0a\u5230\u4e0b\uff0c\u4ece\u5757\u7ea7\u56fe\u5f00\u59cb\uff0c\u5c06\u5176\u5206\u89e3\u4e3a 4 \u4e2a\u56e0\u5b50\uff08\u6bcf\u4e2a\u5bf9\u5e94 25% \u7684\u6545\u969c\u57df\uff09\uff0c\u6700\u540e\u6620\u5c04\u5230 OCS\u3002\u5f53\u5757\u7ea7\u56fe\u53d8\u5316\u65f6\uff08\u5982\u62d3\u6251\u5de5\u7a0b\uff09\uff0c\u5728\u6bcf\u7ea7\u5206\u89e3\u4e2d\u6700\u5c0f\u5316\u65b0\u56e0\u5b50\u548c\u5f53\u524d\u56e0\u5b50\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n

    \u4e94\u3001\u6d41\u91cf\u4e0e\u62d3\u6251\u5de5\u7a0b<\/h2>\n\n\n\n

    5.1 \u63a7\u5236\u5e73\u9762\u8bbe\u8ba1<\/h3>\n\n\n\n

    Orion \u662f Jupiter \u7684 SDN \u63a7\u5236\u5e73\u9762\uff0c\u8d1f\u8d23\u7f16\u7a0b\u6570\u636e\u5e73\u9762\u4ea4\u6362\u673a\u4ee5\u5b9e\u73b0\u6240\u9700\u7684\u6d41\u91cf\u5206\u914d\u3002Orion \u901a\u8fc7\u5c06\u8def\u7531\u529f\u80fd\u5206\u4e3a\u4e24\u7ea7\u6765\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\uff1a<\/p>\n\n\n\n

      \n
    • \u7b2c\u4e00\u7ea7<\/strong>\uff1a\u6bcf\u4e2a\u805a\u5408\u5757\u662f\u4e00\u4e2a\u5355\u72ec\u7684 Orion \u57df\uff0c\u8def\u7531\u5f15\u64ce\uff08RE\uff09\u63d0\u4f9b\u5757\u5185\u8fde\u63a5<\/li>\n\n\n\n
    • \u7b2c\u4e8c\u7ea7<\/strong>\uff1a\u8d1f\u8d23\u805a\u5408\u5757\u4e4b\u95f4\u7684\u94fe\u8def\uff0c\u5c06\u8fd9\u4e9b\u94fe\u8def\u5206\u4e3a\u56db\u4e2a\u4e92\u65a5\u7684\u989c\u8272\uff0c\u6bcf\u4e2a\u989c\u8272\u7531\u72ec\u7acb\u7684 Orion \u57df\u63a7\u5236<\/li>\n<\/ul>\n\n\n\n
      \"Jupiter<\/figure>\n\n\n\n

      \u56fe\u4e03\u3001Orion \u63a7\u5236\u548c\u7f51\u7edc\u7ba1\u7406\u7cfb\u7edf<\/strong>\uff1a\u5c55\u793a\u4e86\u7f51\u7edc\u6a21\u578b\u3001\u64cd\u4f5c\u5de5\u4f5c\u6d41\u3001\u62d3\u6251\u5de5\u7a0b\u63a7\u5236\u5668\u3001\u7f51\u7edc\u64cd\u4f5c API \u7cfb\u7edf\u4ee5\u53ca IBR-C Orion \u57df\u548c\u805a\u5408\u5757 Orion \u57df\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n

      5.2 \u975e\u6700\u77ed\u8def\u5f84\u8def\u7531<\/h3>\n\n\n\n

      \u4f20\u7edf Clos \u62d3\u6251\u901a\u8fc7\u810a\u5c42\u7684\u4e0a\u4e0b\u8def\u7531\u81ea\u7136\u652f\u6301\u8d1f\u8f7d\u5747\u8861\u3002\u7136\u800c\uff0c\u76f4\u8fde\u62d3\u6251\u5bf9\u4e8e n \u4e2a\u5757\u4e4b\u95f4\u7684\u6700\u574f\u60c5\u51b5\u7f6e\u6362\u6d41\u91cf\uff0c\u5728\u6700\u77ed\u8def\u5f84\u8f6c\u53d1\u4e0b\u662f n:1 \u8d85\u989d\u8ba2\u9605\u7684\u3002\u5c06\u6700\u574f\u60c5\u51b5\u6d41\u91cf\u7684\u8d85\u989d\u8ba2\u9605\u6bd4\u964d\u81f3 2:1 \u9700\u8981\u975e\u6700\u77ed\u8def\u5f84\u8f6c\u53d1\u3002<\/p>\n\n\n\n

      Jupiter \u5c06\u6d41\u91cf\u5de5\u7a0b\u9650\u5236\u4e3a 1 \u8df3\uff08\u5355\u4e2d\u8f6c\uff09\u8def\u5f84<\/strong>\uff0c\u56e0\u4e3a\u6709\u754c\u8def\u5f84\u957f\u5ea6\u5bf9\u4e8e\u57fa\u4e8e\u5ef6\u8fdf\u7684\u62e5\u585e\u63a7\u5236\uff08\u5982 Swift\uff09\u5f88\u91cd\u8981\u3002\u901a\u8fc7\u5c06\u6e90\u6d41\u91cf\u548c\u4e2d\u8f6c\u6d41\u91cf\u9694\u79bb\u5230\u4e24\u4e2a\u865a\u62df\u8def\u7531\u548c\u8f6c\u53d1\uff08VRF\uff09\u8868\u4e2d\u6765\u6d88\u9664\u8def\u7531\u73af\u8def\u3002<\/p>\n\n\n\n

      5.3 \u6d41\u91cf\u611f\u77e5\u8def\u7531<\/h3>\n\n\n\n

      \u6700\u521d\u91c7\u7528\u7c7b\u4f3c\u4e8e Valiant \u8d1f\u8f7d\u5747\u8861\uff08VLB\uff09\u7684\u9700\u6c42\u65e0\u5173\u8def\u7531\uff0c\u6839\u636e\u8def\u5f84\u5bb9\u91cf\u5728\u6240\u6709\u53ef\u7528\u8def\u5f84\uff08\u76f4\u63a5\u548c\u4e2d\u8f6c\uff09\u4e0a\u5206\u914d\u6d41\u91cf\u3002\u7136\u800c\uff0c\u5728\u8fd9\u79cd\u65b9\u6848\u4e0b\uff0c\u6bcf\u4e2a\u5757\u4ee5 2:1 \u8d85\u989d\u8ba2\u9605\u6bd4\u8fd0\u884c\uff0c\u5bf9\u4e8e\u9ad8\u5229\u7528\u7387\u5757\u6765\u8bf4\u592a\u5927\u4e86\u3002<\/p>\n\n\n\n

      \u4e3a\u9632\u6b62\u6b64\u7c7b\u5757\u7684\u8fc7\u5ea6\u8ba2\u9605\u5e76\u63d0\u9ad8\u6574\u4f53\u7f51\u7edc\u541e\u5410\u91cf\uff0c\u57fa\u4e8e\u5b9e\u65f6\u6d41\u91cf\u6570\u636e\u4f18\u5316\u4e0d\u540c\u8def\u5f84\u7684\u6743\u91cd\u3002\u4ece\u6bcf\u53f0\u670d\u52a1\u5668\u6536\u96c6\u6d41\u91cf\u6d4b\u91cf\u6570\u636e\uff0c\u805a\u5408\u5f62\u6210\u6bcf 30 \u79d2\u7684\u5757\u7ea7\u6d41\u91cf\u77e9\u9635\u3002\u57fa\u4e8e\u6b64\u6d41\u91cf\u77e9\u9635\u6d41\uff0c\u7ef4\u62a4\u7528\u4e8e WCMP \u4f18\u5316\u7684\u9884\u6d4b\u6d41\u91cf\u77e9\u9635<\/strong>\u3002<\/p>\n\n\n\n

      \"Jupiter<\/figure>\n\n\n\n

      \u56fe\u516b\u3001\u4e24\u79cd\u8def\u7531\u65b9\u6848\u5bf9\u6bd4<\/strong>\uff1a(a) \u9884\u6d4b MLU \u4e3a 0.5\uff0c\u9700\u6c42\u4ec5\u653e\u5728\u76f4\u63a5\u8def\u5f84\u4e0a\u3002(b) \u9884\u6d4b MLU \u4e3a 0.5\uff0c\u4f46\u9700\u6c42\u5728\u76f4\u63a5\u548c\u4e2d\u8f6c\u8def\u5f84\u4e4b\u95f4\u5e73\u5747\u5206\u914d\u3002\u5f53 A \u548c B \u4e4b\u95f4\u7684\u5b9e\u9645\u9700\u6c42\u4e3a 4 \u5355\u4f4d\u65f6\uff0c(b) \u66f4\u9c81\u68d2\uff0c\u5b9e\u73b0 MLU 0.75\uff0c\u800c (a) \u8fbe\u5230 MLU 1.0\u3002<\/p>\n\n\n\n

      5.4 \u53ef\u53d8\u5bf9\u51b2\uff08Variable Hedging\uff09<\/h3>\n\n\n\n

      \u8bbe\u8ba1\u4e86\u4e00\u79cd\u79f0\u4e3a\u53ef\u53d8\u5bf9\u51b2<\/strong>\u7684\u65b9\u6848\uff0c\u5141\u8bb8\u5728\u89e3\u51b3\u65b9\u6848\u8fde\u7eed\u4f53\u7684\u4e0d\u540c\u70b9\u4e0a\u64cd\u4f5c\u3002\u8fd9\u4e2a\u8fde\u7eed\u4f53\u7684\u4e24\u7aef\u5206\u522b\u662f\uff1a\u4ee5\u6700\u5c0f MLU \u548c stretch \u62df\u5408\u9884\u6d4b\u6d41\u91cf\u7684\u4f18\u5316\uff0c\u4ee5\u53ca\u9700\u6c42\u65e0\u5173\u7684 VLB \u5f0f\u89e3\u51b3\u65b9\u6848\u3002\u4e0d\u540c\u7684\u5bf9\u51b2\u6c34\u5e73\u5728\u6b63\u786e\u9884\u6d4b\u4e0b\u7684\u6700\u4f18\u6027\u548c\u8bef\u9884\u6d4b\u4e0b\u7684\u9c81\u68d2\u6027\u4e4b\u95f4\u6709\u4e0d\u540c\u7684\u6743\u8861\u3002<\/p>\n\n\n\n

      5.5 \u62d3\u6251\u5de5\u7a0b<\/h3>\n\n\n\n

      \u5728\u540c\u6784\u901f\u5ea6\u7f51\u7edc\u4e2d\uff0c\u5747\u5300\u7f51\u683c\u62d3\u6251\u8db3\u4ee5\u652f\u6301\u751f\u4ea7\u4e2d\u89c2\u5bdf\u5230\u7684\u6d41\u91cf\u6a21\u5f0f\u3002\u7136\u800c\uff0c\u4ecd\u7136\u5e0c\u671b\u5c06\u62d3\u6251\u4e0e\u6d41\u91cf\u77e9\u9635\u5bf9\u9f50\u4ee5\u51cf\u5c11 stretch \u5e76\u9632\u6b62\u5c3e\u90e8\u7a81\u53d1\u884c\u4e3a\u3002<\/p>\n\n\n\n

      \u5728\u5f02\u6784\u901f\u5ea6\u7f51\u7edc\u4e2d\uff0c\u5747\u5300\u7f51\u683c\u62d3\u6251\u53ef\u80fd\u56e0\u4e0e\u4f4e\u901f\u5bf9\u7b49\u65b9\u914d\u5bf9\u800c\u5bfc\u81f4\u592a\u591a\u94fe\u8def\u964d\u901f\uff0c\u964d\u4f4e\u7f51\u7edc\u7684\u6574\u4f53\u541e\u5410\u91cf\u3002<\/p>\n\n\n\n

      \"Jupiter<\/figure>\n\n\n\n

      \u56fe\u4e5d\u3001\u5f02\u6784\u7f51\u7edc\u4e2d\u6d41\u91cf\u611f\u77e5\u62d3\u6251\u7684\u4f18\u52bf<\/strong>\uff1aA \u548c B \u662f 200Gbps \u5757\uff0cC \u662f 100Gbps\u3002\u6d41\u91cf\u65e0\u5173\u62d3\u6251\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\uff1aA \u7684\u805a\u5408\u9700\u6c42\u4e3a 80Tbps\uff0c\u800c A \u7684\u805a\u5408\u5e26\u5bbd\u4ec5\u4e3a 75Tbps\u3002\u6d41\u91cf\u611f\u77e5\u62d3\u6251\u53ef\u4ee5\u5728 200Gbps \u5757\u4e4b\u95f4\u5206\u914d\u66f4\u591a\u94fe\u8def\uff08300\uff09\u4ee5\u63d0\u5347 A \u7684\u805a\u5408\u5e26\u5bbd\u3002<\/p>\n\n\n\n

      5.6 \u6d41\u91cf\u4e0e\u62d3\u6251\u5de5\u7a0b\u7684\u8282\u594f<\/h3>\n\n\n\n

      \u6d41\u91cf\u5de5\u7a0b\u662f\u54cd\u5e94\u62d3\u6251\u548c\u6d41\u91cf\u53d8\u5316\u7684\u5185\u90e8\u63a7\u5236\u5faa\u73af\uff0c\u7c92\u5ea6\u4e3a O(\u79d2) \u5230 O(\u5206\u949f)\u3002\u62d3\u6251\u5de5\u7a0b\u7684\u5916\u90e8\u5faa\u73af\u6162\u5f97\u591a\uff0c\u4e0d\u54cd\u5e94\u6545\u969c\u6216\u6392\u7a7a\uff0c\u751f\u6548\u65b0\u903b\u8f91\u62d3\u6251\u9700\u8981 O(\u5c0f\u65f6)\u3002<\/p>\n\n\n\n

      \u57fa\u4e8e\u4eff\u771f\u7ed3\u679c\uff0c\u53d1\u73b0\u5757\u7ea7\u62d3\u6251\u91cd\u914d\u7f6e\u9891\u7387\u8d85\u8fc7\u6bcf\u51e0\u5468\u4e00\u6b21\u7684\u6536\u76ca\u6709\u9650\u3002\u8fd9\u4e3b\u8981\u6709\u4e24\u4e2a\u539f\u56e0\uff1a1\uff09\u5173\u4e8e\u541e\u5410\u91cf\uff0c\u5927\u591a\u6570\u6d41\u91cf\u53d8\u5316\u53ef\u4ee5\u901a\u8fc7\u8def\u7531\u5145\u5206\u5904\u7406\uff1b2\uff09\u66f4\u9891\u7e41\u7684\u62d3\u6251\u91cd\u914d\u7f6e\u8981\u6709\u76ca\uff0c\u9700\u8981\u80fd\u591f\u751f\u6210\u6bd4\u957f\u671f\u9884\u6d4b\u66f4\u51c6\u786e\u7684\u77ed\u671f\u6d41\u91cf\u9884\u6d4b\u3002<\/p>\n\n\n\n

      \u516d\u3001\u5b9e\u65f6\u7f51\u7edc\u91cd\u65b0\u5e03\u7ebf<\/h2>\n\n\n\n

      \u5e38\u89c1\u7684\u7f51\u7edc\u64cd\u4f5c\uff08\u8fde\u63a5\/\u65ad\u5f00\u6574\u4e2a\u5757\u6216\u5176\u989d\u5916\u7aef\u53e3\u3001\u9002\u5e94\u62d3\u6251\u5de5\u7a0b\u7684\u6210\u6bd4\u4f8b\u76f4\u63a5\u8fde\u63a5\u3001\u751a\u81f3\u5c06\u7f51\u7edc\u4ece Clos \u8f6c\u6362\u4e3a\u76f4\u8fde\uff09\u90fd\u9075\u5faa\u76f8\u540c\u7684\u6a21\u5f0f\u3002\u5f97\u76ca\u4e8e OCS\uff0c\u4ea4\u53c9\u8fde\u63a5\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u914d\u7f6e\u5feb\u901f\u53ef\u9760\u5730\u7f16\u7a0b\uff0c\u5e26\u6765\u5de8\u5927\u7684\u8fd0\u8425\u4f18\u52bf\u3002<\/p>\n\n\n\n

      \"Jupiter<\/figure>\n\n\n\n

      \u56fe\u5341\u3001\u6dfb\u52a0\u4e24\u4e2a\u805a\u5408\u5757\u7684\u91cd\u65b0\u5e03\u7ebf\u793a\u610f\u56fe<\/strong>\uff1a(a) \u903b\u8f91\u62d3\u6251\u7684\u53d8\u5316\u3002(b) \u4ea4\u53c9\u8fde\u63a5\u7684\u76f8\u5e94\u53d8\u5316\u3002<\/p>\n\n\n\n

      \"Jupiter<\/figure>\n\n\n\n

      \u56fe\u5341\u4e00\u3001\u589e\u91cf\u91cd\u65b0\u5e03\u7ebf\u5b9e\u73b0\u56fe\u5341\u7684\u53d8\u5316<\/strong>\uff08\u7b2c9\u9875\u7b2c2\u5f20\u56fe\uff09\uff1a\u8fb9\u6807\u7b7e\u663e\u793a\u53cc\u5411\u94fe\u8def\u6570\u91cf\u3002\u589e\u91cf\u91cd\u65b0\u5e03\u7ebf\u5728\u6240\u6709\u6b65\u9aa4\u4e2d\u4fdd\u6301\u81f3\u5c11 10 \u5355\u4f4d\u7684\u53cc\u5411\u5bb9\u91cf\uff08\u7ea6 83%\uff09\u3002<\/p>\n\n\n\n

      \u91cd\u65b0\u5e03\u7ebf\u671f\u95f4\u7684\u5b89\u5168\u8003\u8651<\/h3>\n\n\n\n