{"id":2408,"date":"2019-05-09T01:54:23","date_gmt":"2019-05-09T01:54:23","guid":{"rendered":""},"modified":"2019-05-09T09:54:42","modified_gmt":"2019-05-09T01:54:42","slug":"spn%e6%9e%b6%e6%9e%84%e7%9a%84%e8%ae%be%e5%a4%87%e5%b0%86%e6%88%90%e4%b8%ba5g%e6%89%bf%e8%bd%bd%e7%9a%84%e5%85%a8%e7%90%83%e4%b8%bb%e6%b5%81%e6%8a%80%e6%9c%af","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2408","title":{"rendered":"SPN\u67b6\u6784\u7684\u8bbe\u5907\u5c06\u6210\u4e3a5G\u627f\u8f7d\u7684\u5168\u7403\u4e3b\u6d41\u6280\u672f"},"content":{"rendered":"

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\n\t <\/div>\n

\n\t\u65b0\u6280\u672f\u3001\u9ad8\u878d\u5408 SPN\u6280\u672f\u8fdb\u5c55\u98de\u901f<\/p>\n

\n\tSPN\u91c7\u7528ITU-T\u5c42\u7f51\u7edc\u6a21\u578b\uff0c\u4ee5\u4ee5\u592a\u7f51<\/u>\u6280\u672f\u4e3a\u57fa\u7840\uff0c\u5f15\u5165\u65b0\u7684\u57fa\u4e8e66B\u7801\u5757\u7684TDM\u4ea4\u53c9\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u5206\u7ec4\u548cTDM\u7684\u6709\u6548\u878d\u5408\uff0c\u5c06L0~L3\u591a\u5c42\u7f51\u7edc\u529f\u80fd\u878d\u4e3a\u4e00\u4f53\uff0c\u80fd\u591f\u6ee1\u8db35G\u5927\u5e26\u5bbd\u3001\u4f4e\u65f6\u5ef6\u3001\u7f51\u7edc\u5207\u7247\u3001\u8d85\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u540c\u6b65\u7b49\u65b0\u9700\u6c42\uff0c\u540c\u65f6\u80fd\u652f\u6301\u591a\u4e1a\u52a1\u7684\u7efc\u5408\u627f\u8f7d\u3002SPN\u6280\u672f\u67b6\u6784\u5305\u62ec\u5207\u7247\u5206\u7ec4\u5c42\uff08SPL\uff09\u3001\u5207\u7247\u901a\u9053\u5c42\uff08SCL\uff09\u3001\u5207\u7247\u4f20\u9001\u5c42\uff08STL\uff09\uff0c\u4ee5\u53ca\u65f6\u949f<\/u>\/\u65f6\u95f4\u540c\u6b65\u529f\u80fd\u6a21\u5757\u548cSDN\u63a7\u5236\u529f\u80fd\u6a21\u5757\u3002<\/p>\n

\n\t\"SPN\u67b6\u6784\u7684\u8bbe\u5907\u5c06\u6210\u4e3a5G\u627f\u8f7d\u7684\u5168\u7403\u4e3b\u6d41\u6280\u672f\"<\/p>\n

\n\t\u56fe1 SPN\u6280\u672f\u67b6\u6784\u5206\u5c42\u6a21\u578b<\/p>\n

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\n\t\"SPN\u67b6\u6784\u7684\u8bbe\u5907\u5c06\u6210\u4e3a5G\u627f\u8f7d\u7684\u5168\u7403\u4e3b\u6d41\u6280\u672f\"<\/p>\n

\n\t\u56fe2 SR-TP\uff1a\u63d0\u4f9b\u7aef\u5230\u7aef\u9762\u5411\u8fde\u63a5\u80fd\u529b<\/p>\n

\n\t\u5207\u7247\u901a\u9053\u5c42\uff08SCL\uff09\uff1a\u4e3a\u7f51\u7edc\u4e1a\u52a1\u548c\u5207\u7247\u4e1a\u52a1\u63d0\u4f9b\u7aef\u5230\u7aef\u786c\u9694\u79bb\u901a\u9053\uff0c\u57fa\u4e8e\u4ee5\u592a\u7f51PCS\u5c4266B\u4ea4\u53c9\u6280\u672f\uff0c\u53ef\u663e\u8457\u964d\u4f4e\u65f6\u5ef6\uff0c\u5355\u8df3\u8bbe\u5907\u8f6c\u53d1\u65f6\u5ef61~10us\uff0c\u8f83\u4f20\u7edf\u5206\u7ec4\u4ea4\u6362\u8bbe\u5907\u65f6\u5ef6\u964d\u4f4e\u4e00\u4e2a\u6570\u91cf\u7ea7\uff1b\u521b\u65b0\u4ee5\u592a\u7f51\u901a\u9053\u5c42OAM\u673a\u5236\uff0c\u901a\u8fc7\u66ff\u6362Idle\u5757\u63d2\u5165OAM\u5b9e\u73b0\u901a\u9053\u5c42\u7aef\u5230\u7aef\u76d1\u89c6\uff0cOAM\u76d1\u89c6\u5468\u671f\u6700\u5c0f\u53ef\u8fbe\u767eus\u7ea7\uff0c\u6ee1\u8db3\u9ad8\u53ef\u9760\u4e1a\u52a1\u4f20\u8f93\u9700\u6c42\uff1bSCL\u80fd\u591f\u63d0\u4f9b\u7aef\u5230\u7aef\u57fa\u4e8e\u4ee5\u592a\u7f51TDM\u9694\u79bb\u7684\u94fe\u8def\uff0c\u652f\u6301\u7f51\u7edc\u62d3\u6251\u91cd\u6784\u548c\u5207\u7247\uff0c\u6ee1\u8db35G\u4e1a\u52a1\u8d85\u4f4e\u65f6\u5ef6\u3001\u786c\u9694\u79bb\u5207\u7247\u7684\u9700\u6c42\u3002<\/p>\n

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\n\t\u7ba1\u63a7\u4e00\u4f53\u7684SDN\u63a7\u5236\u5e73\u53f0\uff1a\u4ee5“\u7ba1\u63a7\u4e00\u4f53\uff0c\u96c6\u4e2d\u4e3a\u4e3b\uff0c\u5206\u5e03\u4e3a\u8f85”\u4e3a\u8bbe\u8ba1\u601d\u8def\uff0c\u901a\u8fc7SDN\u96c6\u4e2d\u63a7\u5236\u9762\u589e\u5f3a\u4e1a\u52a1\u52a8\u6001\u80fd\u529b\uff0c\u91c7\u7528\u4e91\u5316\u5e73\u53f0\u6784\u5efaSDN\u63a7\u5236\u5668\uff0c\u53ef\u7ba1\u63a7\u7f51\u7edc\u8282\u70b9\u89c4\u6a21\u8fbe\u5230\u6570\u5341\u4e07\u91cf\u7ea7\uff1b\u5728\u63a5\u53e3\u65b9\u9762\u5f15\u5165\u6210\u719f\u7684Netconf\u3001PCEP\u548cBGP-LS\u6280\u672f\uff0c\u901a\u8fc7\u6269\u5c55PCEP\u652f\u6301SR-TP\u5b9e\u73b0\u5bf9SR-TP\u65b0\u4e1a\u52a1\u7684SDN\u7075\u6d3b\u4e1a\u52a1\u521b\u5efa\uff0c\u5e76\u652f\u6301\u591a\u5c42\u591a\u57df\u7684\u534f\u540c\u673a\u5236\uff0c\u5c06\u7ba1\u63a7\u878d\u5408\u7684\u80fd\u529b\u8fdb\u4e00\u6b65\u63d0\u5347\u3002<\/p>\n

\n\t\"SPN\u67b6\u6784\u7684\u8bbe\u5907\u5c06\u6210\u4e3a5G\u627f\u8f7d\u7684\u5168\u7403\u4e3b\u6d41\u6280\u672f\"<\/p>\n

\n\t\u56fe3 SPN\u7ba1\u63a7\u4e00\u4f53\u63a7\u5236\u5e73\u53f0<\/p>\n

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\n\t2018\u5e74\u4ee5\u6765\uff0c\u4e3a\u6ee1\u8db35G\u4e1a\u52a1\u73b0\u7f51\u8bd5\u70b9\u548c\u5546\u7528\u4ea7\u4e1a\u5316\uff0c\u4e2d\u56fd\u79fb\u52a8\u8054\u5408\u4ea7\u4e1a\u94fe\u5404\u65b9\u5bf9SPN\u6280\u672f\u63a8\u5411\u5e02\u573a\u8fdb\u884c\u4e86\u5927\u91cf\u7684\u5b8c\u5584\u548c\u6d4b\u8bd5<\/u>\u9a8c\u8bc1\uff0c\u5f62\u6210\u4e86\u521d\u5177\u5546\u7528\u89c4\u6a21\u7684\u80fd\u529b\u3002<\/p>\n

\n\t\u591a\u9879SPN\u6807\u51c6\u5df2\u7acb\u9879 \u6807\u51c6\u4f53\u7cfb\u9010\u6b65\u5b8c\u5584<\/p>\n

\n\tSPN\u5b9a\u4f4dL0\uff5eL3\u5c42\u878d\u5408\u67b6\u6784\uff0c\u5728\u7f51\u7edc\u5c42\u6b21\u4e0a\u5206\u4e3aSPL\u3001SCL\u548cSTL3\u5c42\uff0c\u6d89\u53ca\u591a\u4e2a\u56fd\u9645\u6807\u51c6\u7ec4\u7ec7\u3002\u5728\u4ea7\u4e1a\u754c\u5171\u540c\u52aa\u529b\u4e0b\uff0cITU-T\u3001IETF\u3001IEEE\u3001OIF\u7b49\u591a\u4e2a\u56fd\u9645\u6807\u51c6\u7ec4\u7ec7\u5df2\u5b8c\u6210\u6216\u7acb\u9879\u4e86\u591a\u9879SPN\u6838\u5fc3\u6807\u51c6\uff0c\u5f62\u6210\u4e86\u5b8c\u5584\u7684\u6807\u51c6\u4f53\u7cfb\u3002<\/p>\n

\n\tSCL\u5c42<\/p>\n

\n\tSCL\u5c42\u662fSPN\u65b0\u5f15\u5165\u7684\u7f51\u7edc\u5c42\u6b21\uff0c\u901a\u8fc766B\u7801\u5757\u7684\u4ea4\u6362\uff0c\u5b9e\u73b0\u4e86\u5206\u7ec4\u4ea4\u6362\u4e0eTDM\u7684\u5b8c\u7f8e\u878d\u5408\uff0c\u662fSPN\u7684\u6838\u5fc3\u6280\u672f\u3002\u56fd\u9645\u7535\u4fe1\u8054\u76df\u7b2c15\u7814\u7a76\u7ec4\uff08\u4ee5\u4e0b\u7b80\u79f0ITU-T SG15\uff09\u662f\u7814\u7a76\u5149\u4f20\u9001\u7f51\u53ca\u63a5\u5165\u7f51\u57fa\u7840\u67b6\u6784\u7b49\u6280\u672f\u6807\u51c6\u7684\u7814\u7a76\u7ec4\uff0c\u5df2\u7ecf\u53d1\u5e03\u4e86\u591a\u4e2a\u5e7f\u6cdb\u5e94\u7528\u7684\u4f20\u9001\u7f51\u6280\u672f\u4f53\u7cfb\uff0c\u5982SDH\u3001OTN\u3001PTN\u7b49\u3002\u5728ITU-T SG15\uff0c\u4e2d\u56fd\u8fd0\u8425\u5546\u3001\u8bbe\u5907\u5546\u548c\u7814\u7a76\u673a\u6784\u57fa\u4e8eSPN\u6280\u672f\u63d0\u4ea4\u4e86\u4e0a\u767e\u7bc7\u9762\u54115G\u7684SPN\u65b9\u6848\u63d0\u6848\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e86SPN\u7684\u6838\u5fc3\u6807\u51c6G.mtn\u6807\u51c6\u7acb\u9879\uff0c\u5e76\u7531\u4e2d\u56fd\u79fb\u52a8\u4e13\u5bb6\u62c5\u4efb\u8be5\u6807\u51c6\u7684Editor\u5e2d\u4f4d\uff0c\u8d1f\u8d23G.mtn\u6807\u51c6\u7684\u8d77\u8349\uff0c\u5b9e\u73b0\u4e86\u6211\u56fd\u5728\u4f20\u8f93\u6807\u51c6\u65b9\u9762\u7684\u7a81\u7834\u3002\u540c\u65f6\uff0cITU-T\u8fd8\u5c06\u56f4\u7ed5G.mtn\u7ee7\u7eed\u5728\u6280\u672f\u67b6\u6784\u3001\u4fdd\u62a4\u673a\u5236\u3001\u540c\u6b65\u65b9\u6848\u548c\u7f51\u7ba1\u4fe1\u606f\u6a21\u578b\u7b49\u8fdb\u884c\u7acb\u9879\uff0c\u672a\u6765\u5c06\u5f62\u6210\u65b0\u4e00\u4ee3\u7684\u4f20\u9001\u7f51\u6807\u51c6\u4f53\u7cfb\u3002<\/p>\n

\n\tSPL\u5c42<\/p>\n

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\n\t\u7531\u4e8eSegment Routing over MPLS Data Plane\uff08\u4ee5\u4e0b\u7b80\u79f0SR-MPLS\uff09\u4e0d\u80fd\u5f88\u597d\u5730\u521b\u5efa\u7aef\u5230\u7aef\u53cc\u5411\u96a7\u9053\uff0c\u5728OAM\u65b9\u9762\u65e0\u6cd5\u5f88\u597d\u652f\u6301\u6d41\u91cf\u7edf\u8ba1\u3001\u6027\u80fd\u6d4b\u91cf\u548c\u5feb\u901f\u4fdd\u62a4\u5012\u6362\u7b49\u529f\u80fd\uff0c\u96be\u4ee5\u6ee1\u8db35G\u4e1a\u52a1\u5bf9\u627f\u8f7d\u7f51\u9ad8\u53ef\u9760\u6613\u8fd0\u7ef4\u7684\u9700\u6c42\uff0c\u56e0\u6b64SPN\u5bf9SR\u57fa\u7840Segment\u6bb5\u7c7b\u578b\u8fdb\u884c\u4e86\u521b\u65b0\u6027\u6269\u5c55\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u7684SR Segment\u7c7b\u578b——Path Segment\u3002\u5e76\u5411IETF Spring\u5de5\u4f5c\u7ec4\u63d0\u51faSR-MPLS path segment\u6280\u672f\u63d0\u6848\u3002\u5386\u7ecf3\u6b21IETF\u6807\u51c6\u4f1a\u8bae\u7684\u8ba8\u8bba\u548c\u5b8c\u5584\uff0c\u8be5\u63d0\u6848\u7ec8\u4e8e\u57282019\u5e743\u6708\u6210\u4e3aIETF\u5de5\u4f5c\u7ec4\u6807\u51c6\u6587\u7a3f\uff0c\u5e76\u4e14\u5f97\u5230\u4e86Cisco\u3001\u535a\u901a<\/u>\u3001Juniper\u7b49\u4e1a\u754c\u4e13\u5bb6\u7684\u8ba4\u53ef\u548c\u652f\u6301\u3002<\/p>\n

\n\t\u540c\u65f6\uff0c\u57fa\u4e8e\u57fa\u7840path segment\u7684\u63d0\u6848\uff0c\u5728IETF\u5df2\u542f\u52a8\u9488\u5bf9\u63a7\u5236\u534f\u8bae\u63d0\u6848\u7684\u5236\u5b9a\uff0c\u4e3b\u8981\u7684\u6587\u7a3f\u5305\u62ecpce-sr-path-segment\u3001draft-pce-sr-bidir-path\u3001draft-pce-binding-label-sid\uff0c\u5df2\u57fa\u672c\u5f97\u5230\u4e1a\u754c\u8ba4\u53ef\uff0c\u5373\u5c06\u7eb3\u5165\u5de5\u4f5c\u7ec4\u6587\u7a3f\u3002<\/p>\n

\n\tSTL\u5c42<\/p>\n

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\n\tSPN\u63a8\u52a8\u4e8650G PAM4\u9ad8\u901f\u63a5\u53e3\u548c\u957f\u8ddd\u4ee5\u592a\u7f51\u7684\u6807\u51c6\u5316\u8fdb\u7a0b\uff0c\u5176\u4e2d\u57fa\u4e8e50G PAM4\u7684\u77ed\u8ddd400GE\/200GE\u6807\u51c6IEEE 802.3bs\u6807\u51c6\u57282017\u5e7412\u6708\u5b8c\u6210\u53d1\u5e03\uff0c\u77ed\u8ddd50GE\u6807\u51c6IEEE 802.3cd\u6807\u51c6\u4e8e2018\u5e7411\u6708\u5b8c\u6210\u53d1\u5e03\u3002400GE\/200GE\/50GE\u768440km\u6807\u51c6\u7ecf\u8fc7IEEE 802.3 Beyond 10km\u5de5\u4f5c\u7ec4\u8ba8\u8bba\u540e\u4e13\u95e8\u7acb\u9879\u4e86IEEE p802.3cn\uff0c100GE\/200GE over DWDM\u7cfb\u7edf\u4e5f\u4e13\u95e8\u7acb\u9879IEEE p802.3ct\uff0cIEEE\u5c06\u5236\u5b9a\u7cfb\u5217\u5316\u9ad8\u901f\u957f\u8ddd\u7684\u4ee5\u592a\u7f51\u63a5\u53e3\u6807\u51c6\u3002\u540c\u65f6\uff0cOIF\u5373\u5c06\u53d1\u5e03400GE 80km\u4ee5\u4e0a\u957f\u8ddd\u4ee5\u592a\u7f51\u6807\u51c6400GZR\u3002\u53e6\u5916\uff0cSPN\u63a8\u52a8\u4e8650GE BiDi\u5355\u7ea4\u53cc\u5411\u7684\u6807\u51c6\uff0cIEEE\u5df2\u7ecf\u5b8c\u6210p802.3cp\u7acb\u9879\u3002<\/p>\n

\n\t\u968f\u774050GE\u4ee5\u592a\u7f51\u6807\u51c6\u7684\u6210\u719f\uff0c\u4e2d\u56fd\u79fb\u52a8\u8054\u5408\u4ea7\u4e1a\u94fe\u63a8\u52a8OIF\u6807\u51c6\u4e8e2018\u5e7410\u6708\u6210\u529f\u7acb\u9879FlexE IA2.1\u9879\u76ee\uff0c\u7740\u624b\u5236\u5b9a50GE FlexE\u6807\u51c6\uff0c\u76ee\u524d\u5df2\u5b8c\u6210\u6807\u51c6\u7684\u521d\u7a3f\u3002<\/p>\n

\n\tSPN\u5404\u7ec4\u6210\u90e8\u5206\u5747\u5df2\u4ea7\u4e1a\u5316<\/p>\n

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\n\t\u5728SPN\u82af\u7247\u548c\u5149\u6a21\u5757\u65b9\u9762\uff0cSPN\u82af\u7247\u53ca\u5149\u6a21\u5757\u7b49\u5173\u952e\u7ec4\u4ef6\u4e5f\u53d1\u5c55\u8fc5\u901f\uff0c\u76ee\u524d\u534e\u4e3a<\/u>\u3001\u4e2d\u5174\u3001\u70fd\u706b\u3001\u535a\u901a\u3001\u5149\u8fc5\u7b49\u5382\u5546\u5747\u8fdb\u884c\u4e86SPN\u6838\u5fc3\u82af\u7247\u548c\u5149\u6a21\u5757\u7684\u5f00\u53d1\uff0c\u5c24\u5176\u56fd\u5185\u5382\u5546\u5728\u76f8\u5173\u82af\u7247\u548c\u6a21\u5757\u7814\u53d1\u4e0a\u5360\u636e\u5148\u53d1\u5730\u4f4d\u3002<\/p>\n

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\n\t\u6570\u767e\u4ebf\u89c4\u6a21\u7684\u4ea7\u4e1a\u5316\u524d\u666f<\/p>\n

\n\t\u5f53\u524dSPN\u5df2\u5177\u5907\u89c4\u6a21\u8bd5\u5546\u7528\u6761\u4ef6\uff0c\u4e2d\u56fd\u79fb\u52a8\u6b63\u5728\u8054\u5408\u5382\u5546\u79ef\u6781\u63a8\u8fdbSPN\u6807\u51c6\u3001\u8bbe\u5907\u3001\u82af\u7247\u3001\u6d4b\u8bd5\u4eea\u8868\u5f62\u6210\u89c4\u6a21\u4f9b\u5e94\u80fd\u529b\uff0c\u6253\u901a\u5b8c\u6574\u76845G\u4f20\u8f93\u4ea7\u4e1a\u94fe\uff0c\u4e3a\u89c4\u6a21\u5546\u7528\u90e8\u7f72\u5960\u5b9a\u57fa\u7840\u3002<\/p>\n

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