{"id":478066,"date":"2023-08-09T09:26:45","date_gmt":"2023-08-09T09:26:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:00","modified_gmt":"2023-09-05T11:16:00","slug":"mpls","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/mpls\/","title":{"rendered":"\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362"},"content":{"rendered":"<p>MPLS \u662f\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362\u7684\u7f29\u5199\uff0c\u662f\u4e00\u79cd\u591a\u529f\u80fd\u4e14\u9ad8\u6548\u7684\u6280\u672f\uff0c\u7528\u4e8e\u73b0\u4ee3\u8ba1\u7b97\u673a\u7f51\u7edc\uff0c\u4ee5\u589e\u5f3a\u6570\u636e\u8f6c\u53d1\u548c\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002\u5b83\u65e8\u5728\u89e3\u51b3\u4f20\u7edf\u57fa\u4e8e IP \u7684\u8def\u7531\u7684\u5c40\u9650\u6027\uff0c\u63d0\u4f9b\u66f4\u5feb\u7684\u6570\u636e\u5305\u8f6c\u53d1\uff0c\u5e76\u5b9e\u73b0\u6d41\u91cf\u5de5\u7a0b\u548c\u670d\u52a1\u8d28\u91cf (QoS) \u529f\u80fd\u3002MPLS \u5f7b\u5e95\u6539\u53d8\u4e86\u6570\u636e\u5305\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7edc\u4e16\u754c\u4e2d\u7684\u5173\u952e\u5143\u7d20\u3002<\/p>\n<h2>MPLS \u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>MPLS \u7684\u5386\u53f2\u53ef\u4ee5\u8ffd\u6eaf\u5230 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u672b\uff0c\u5f53\u65f6\u601d\u79d1\u7cfb\u7edf\u7684\u5de5\u7a0b\u5e08\u548c\u7814\u7a76\u4eba\u5458\u9996\u6b21\u63d0\u51fa\u4e86\u8fd9\u4e00\u6982\u5ff5\u3002MPLS \u7684\u6700\u521d\u5f00\u53d1\u65e8\u5728\u89e3\u51b3\u4e0d\u65ad\u53d1\u5c55\u7684\u4e92\u8054\u7f51\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u95ee\u9898\u30021996 \u5e74\uff0c\u4e24\u4f4d\u7f51\u7edc\u5148\u9a71 Yakov Rekhter \u548c Eric Rosen \u5728\u4e00\u4efd\u63d0\u4ea4\u7ed9\u4e92\u8054\u7f51\u5de5\u7a0b\u4efb\u52a1\u7ec4 (IETF) \u7684\u8349\u6848\u6587\u4ef6\u4e2d\u5f15\u5165\u4e86\u201c\u6807\u7b7e\u4ea4\u6362\u201d\u7684\u6982\u5ff5\u4f5c\u4e3a MPLS \u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\u3002\u8fd9\u6807\u5fd7\u7740 MPLS \u9996\u6b21\u6b63\u5f0f\u88ab\u63d0\u53ca\uff0c\u5e76\u4e3a\u5176\u672a\u6765\u7684\u53d1\u5c55\u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n<h2>\u6709\u5173 MPLS \u7684\u8be6\u7ec6\u4fe1\u606f\uff1a\u6269\u5c55 MPLS \u4e3b\u9898<\/h2>\n<p>MPLS \u5728 OSI \u6a21\u578b\u7684\u4f20\u7edf\u7b2c 2 \u5c42\uff08\u6570\u636e\u94fe\u8def\u5c42\uff09\u548c\u7b2c 3 \u5c42\uff08\u7f51\u7edc\u5c42\uff09\u4e4b\u95f4\u8fd0\u884c\uff0c\u5f62\u6210\u4e00\u4e2a\u79f0\u4e3a\u201c\u6807\u7b7e\u4ea4\u6362\u8def\u5f84\u201d\uff08LSP\uff09\u7684\u4e2d\u95f4\u5c42\u3002MPLS \u4e0d\u518d\u4ec5\u4ec5\u4f9d\u9760 IP \u5730\u5740\u8fdb\u884c\u8def\u7531\u51b3\u7b56\uff0c\u800c\u662f\u5f15\u5165\u4e86\u9644\u52a0\u5230\u6570\u636e\u5305\u7684\u6807\u7b7e\u3002\u652f\u6301 MPLS \u7684\u8def\u7531\u5668\u4f7f\u7528\u8fd9\u4e9b\u6807\u7b7e\u5feb\u901f\u9ad8\u6548\u5730\u505a\u51fa\u8f6c\u53d1\u51b3\u7b56\u3002\u57fa\u4e8e\u6807\u7b7e\u7684\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u7b80\u7684\u6570\u636e\u5305\u8f6c\u53d1\uff0c\u5e76\u7b80\u5316\u7f51\u7edc\u7684\u63a7\u5236\u5e73\u9762\u3002<\/p>\n<h2>MPLS \u7684\u5185\u90e8\u7ed3\u6784\uff1aMPLS \u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u8981\u4e86\u89e3 MPLS \u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5fc5\u987b\u6df1\u5165\u7814\u7a76\u5176\u5185\u90e8\u7ed3\u6784\u3002\u5f53\u6570\u636e\u5305\u8fdb\u5165 MPLS \u7f51\u7edc\u65f6\uff0c\u5165\u53e3\u8def\u7531\u5668\u4f1a\u4e3a\u5176\u9644\u52a0\u4e00\u4e2a\u6807\u7b7e\u3002\u6b64\u6807\u7b7e\u662f\u4e00\u4e2a\u7b80\u77ed\u7684\u6807\u8bc6\u7b26\uff0c\u8868\u793a\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u8981\u9075\u5faa\u7684\u9884\u5b9a\u8def\u5f84\u3002\u5f53\u5e26\u6807\u7b7e\u7684\u6570\u636e\u5305\u901a\u8fc7\u4e2d\u95f4\u8def\u7531\u5668\u65f6\uff0c\u5b83\u4eec\u4f1a\u6839\u636e MPLS \u6807\u7b7e\u4ea4\u6362\u6570\u636e\u5305\uff0c\u800c\u4e0d\u662f\u5206\u6790\u76ee\u6807 IP \u5730\u5740\u3002<\/p>\n<p>\u6807\u7b7e\u4ea4\u6362\u8fc7\u7a0b\u901f\u5ea6\u6781\u5feb\uff0c\u8fd9\u4f7f\u5f97 MPLS \u6210\u4e3a\u901f\u5ea6\u548c\u6548\u7387\u81f3\u5173\u91cd\u8981\u7684\u573a\u666f\u7684\u7406\u60f3\u9009\u62e9\u3002\u4e00\u65e6\u5e26\u6807\u7b7e\u7684\u6570\u636e\u5305\u5230\u8fbe\u51fa\u53e3\u8def\u7531\u5668\uff0c\u6807\u7b7e\u5c31\u4f1a\u88ab\u5220\u9664\uff0c\u6570\u636e\u5305\u5c06\u6839\u636e\u4f20\u7edf IP \u8def\u7531\u8f6c\u53d1\u5230\u6700\u7ec8\u76ee\u7684\u5730\u3002<\/p>\n<h2>MPLS\u4e3b\u8981\u7279\u6027\u5206\u6790<\/h2>\n<p>MPLS \u62e5\u6709\u51e0\u4e2a\u5173\u952e\u7279\u6027\uff0c\u4f7f\u5176\u6210\u4e3a\u7f51\u7edc\u8fd0\u8425\u5546\u7684\u70ed\u95e8\u9009\u62e9\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u4ea4\u901a\u5de5\u7a0b<\/strong>\uff1aMPLS \u4f7f\u7f51\u7edc\u5de5\u7a0b\u5e08\u80fd\u591f\u63a7\u5236\u7279\u5b9a\u6d41\u91cf\u901a\u8fc7\u7f51\u7edc\u6240\u91c7\u7528\u7684\u8def\u5f84\u3002\u8fd9\u6837\u53ef\u4ee5\u4f18\u5316\u8d44\u6e90\u5229\u7528\u7387\u5e76\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u670d\u52a1\u8d28\u91cf (QoS)<\/strong>\uff1aMPLS \u901a\u8fc7\u63d0\u4f9b\u4f18\u5148\u5904\u7406\u67d0\u4e9b\u7c7b\u578b\u6d41\u91cf\u7684\u673a\u5236\u6765\u652f\u6301 QoS\uff0c\u4ece\u800c\u786e\u4fdd\u8bed\u97f3\u548c\u89c6\u9891\u7b49\u5173\u952e\u5e94\u7528\u7a0b\u5e8f\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u5373\u4f7f\u6d41\u91cf\u548c\u8fde\u63a5\u8bbe\u5907\u6570\u91cf\u663e\u8457\u589e\u52a0\uff0cMPLS \u4ecd\u5141\u8bb8\u7f51\u7edc\u6709\u6548\u6269\u5c55\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5feb\u901f\u6570\u636e\u5305\u8f6c\u53d1<\/strong>\uff1a\u7531\u4e8e\u57fa\u4e8e\u6807\u7b7e\u7684\u4ea4\u6362\uff0cMPLS \u53ef\u4ee5\u9ad8\u901f\u8f6c\u53d1\u6570\u636e\u5305\uff0c\u4ece\u800c\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u865a\u62df\u4e13\u7528\u7f51\u7edc (VPN)<\/strong>\uff1aMPLS \u901a\u5e38\u7528\u4e8e\u521b\u5efa\u5b89\u5168\u7684\u79c1\u6709\u7f51\u7edc\uff0c\u4fc3\u8fdb\u5730\u7406\u4f4d\u7f6e\u5206\u6563\u7684\u7ad9\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>MPLS \u7684\u7c7b\u578b<\/h2>\n<p>MPLS \u53ef\u6839\u636e\u5176\u5e94\u7528\u548c\u529f\u80fd\u5206\u4e3a\u4e0d\u540c\u7c7b\u578b\u3002\u4ee5\u4e0b\u662f MPLS \u7684\u4e3b\u8981\u7c7b\u578b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>MPLS LDP<\/strong><\/td>\n<td>\u5e26\u6709\u6807\u7b7e\u5206\u53d1\u534f\u8bae (LDP) \u7684 MPLS \u53ef\u5b9e\u73b0\u81ea\u52a8\u6807\u7b7e\u5206\u914d\u548c\u5206\u53d1\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS RSVP\u6d41\u91cf\u7ba1\u7406<\/strong><\/td>\n<td>\u5177\u6709\u8d44\u6e90\u9884\u7559\u534f\u8bae (RSVP-TE) \u7684 MPLS \u5141\u8bb8\u663e\u5f0f\u8def\u5f84\u63a7\u5236\u548c\u5e26\u5bbd\u9884\u7559\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS VPN<\/strong><\/td>\n<td>\u57fa\u4e8e MPLS \u7684\u865a\u62df\u4e13\u7528\u7f51\u7edc (VPN) \u5728\u5171\u4eab\u57fa\u7840\u8bbe\u65bd\u4e0a\u521b\u5efa\u5b89\u5168\u3001\u9694\u79bb\u7684\u7f51\u7edc\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS\u6d41\u91cf\u5de5\u7a0b<\/strong><\/td>\n<td>MPLS-TE \u4e13\u6ce8\u4e8e\u4f18\u5316\u6d41\u91cf\u8def\u5f84\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6548\u7387\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>MPLS \u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n<p>MPLS\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u573a\u666f\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u4f01\u4e1a\u7f51\u7edc<\/strong>\uff1aMPLS \u901a\u5e38\u7528\u4e8e\u5927\u578b\u7ec4\u7ec7\uff0c\u4ee5\u521b\u5efa\u8fde\u63a5\u591a\u4e2a\u5206\u652f\u673a\u6784\u548c\u6570\u636e\u4e2d\u5fc3\u7684\u5b89\u5168\u9ad8\u6548\u7684\u5e7f\u57df\u7f51 (WAN)\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546 (ISP)<\/strong>\uff1aISP \u4f7f\u7528 MPLS \u4e3a\u5176\u5ba2\u6237\u63d0\u4f9b\u53ef\u9760\u3001\u7075\u6d3b\u7684\u670d\u52a1\uff0c\u4f8b\u5982\u5177\u6709 QoS \u4fdd\u8bc1\u7684\u57fa\u4e8e MPLS \u7684 VPN\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u79fb\u52a8\u56de\u7a0b\u7f51\u7edc<\/strong>\uff1aMPLS \u7528\u4e8e\u79fb\u52a8\u7f51\u7edc\uff0c\u4ee5\u4fbf\u6709\u6548\u5730\u5c06\u6570\u636e\u4ece\u8702\u7a9d\u5854\u4f20\u8f93\u5230\u6838\u5fc3\u7f51\u7edc\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u4e2d\u5fc3<\/strong>\uff1aMPLS \u4fc3\u8fdb\u6570\u636e\u4e2d\u5fc3\u7684\u670d\u52a1\u5668\u548c\u5b58\u50a8\u8bbe\u5907\u4e4b\u95f4\u7684\u6709\u6548\u901a\u4fe1\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u7136\u800c\uff0c\u4e0e\u4efb\u4f55\u6280\u672f\u4e00\u6837\uff0cMPLS \u4e5f\u9762\u4e34\u6311\u6218\u3002\u4e0e MPLS \u4f7f\u7528\u76f8\u5173\u7684\u5e38\u89c1\u95ee\u9898\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u590d\u6742<\/strong>\uff1a\u5b9e\u65bd MPLS \u7f51\u7edc\u53ef\u80fd\u5f88\u590d\u6742\uff0c\u9700\u8981\u719f\u7ec3\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6210\u672c<\/strong>\uff1a\u5efa\u7acb MPLS \u57fa\u7840\u8bbe\u65bd\u53ef\u80fd\u5f88\u6602\u8d35\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u8f83\u5c0f\u7684\u7ec4\u7ec7\u800c\u8a00\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f9b\u5e94\u5546\u4e92\u64cd\u4f5c\u6027<\/strong>\uff1a\u4e0d\u540c\u7684\u4f9b\u5e94\u5546\u53ef\u80fd\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u5b9e\u73b0 MPLS \u529f\u80fd\uff0c\u4ece\u800c\u5bfc\u81f4\u6f5c\u5728\u7684\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u7ec4\u7ec7\u53ef\u4ee5\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5916\u5305 MPLS \u7ba1\u7406<\/strong>\uff1a\u4e2d\u5c0f\u578b\u4f01\u4e1a\u53ef\u4ee5\u9009\u62e9\u6258\u7ba1 MPLS \u670d\u52a1\u6765\u964d\u4f4e\u590d\u6742\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6210\u672c\u4f18\u5316<\/strong>\uff1a\u5468\u5bc6\u7684\u8ba1\u5212\u548c\u4e0e\u4fe1\u8a89\u826f\u597d\u7684\u4f9b\u5e94\u5546\u5408\u4f5c\u53ef\u4ee5\u5e2e\u52a9\u4f18\u5316\u6210\u672c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6807\u51c6\u5316<\/strong>\uff1a\u7ec4\u7ec7\u5e94\u9075\u5faa\u884c\u4e1a\u6807\u51c6\u6765\u63d0\u9ad8\u4f9b\u5e94\u5546\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u4e0e\u540c\u7c7b\u4ea7\u54c1\u7684\u6bd4\u8f83<\/h2>\n<p>\u4ee5\u4e0b\u662f MPLS \u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u5f81\u4ee5\u53ca\u4e0e\u7c7b\u4f3c\u7f51\u7edc\u672f\u8bed\u7684\u6bd4\u8f83\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5f81<\/th>\n<th>\u4e0e\u7c7b\u4f3c\u672f\u8bed\u7684\u6bd4\u8f83<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u6570\u636e\u5305\u8f6c\u53d1<\/strong><\/td>\n<td>MPLS \u4f7f\u7528\u57fa\u4e8e\u6807\u7b7e\u7684\u6570\u636e\u5305\u8f6c\u53d1\u6765\u52a0\u5feb\u5904\u7406\u901f\u5ea6\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6807\u7b7e\u4ea4\u6362<\/strong><\/td>\n<td>\u6807\u7b7e\u4ea4\u6362\u662fMPLS\u72ec\u6709\u7684\u6838\u5fc3\u6982\u5ff5\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4ea4\u901a\u5de5\u7a0b<\/strong><\/td>\n<td>\u4e0e IP \u8def\u7531\u76f8\u6bd4\uff0cMPLS \u80fd\u591f\u5b9e\u73b0\u9ad8\u6548\u7684\u6d41\u91cf\u5de5\u7a0b\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>QoS\u652f\u6301<\/strong><\/td>\n<td>\u4e0e\u4f20\u7edf IP \u7f51\u7edc\u76f8\u6bd4\uff0cMPLS \u63d0\u4f9b\u4e86\u5f3a\u5927\u7684 QoS \u529f\u80fd\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4e0e MPLS \u76f8\u5173\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f<\/h2>\n<p>\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cMPLS \u5f88\u53ef\u80fd\u4ecd\u662f\u73b0\u4ee3\u7f51\u7edc\u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\u3002\u7136\u800c\uff0c\u4e0e MPLS \u76f8\u5173\u7684\u4e00\u4e9b\u65b0\u5174\u6280\u672f\u548c\u89c2\u70b9\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5206\u6bb5\u8def\u7531 (SR)<\/strong>\uff1aSR\u662f\u4e00\u79cd\u57fa\u4e8eMPLS\u7684\u6280\u672f\uff0c\u53ef\u7b80\u5316\u7f51\u7edc\u914d\u7f6e\u5e76\u63d0\u4f9b\u7075\u6d3b\u7684\u6d41\u91cf\u5de5\u7a0b\u529f\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc (SDN)<\/strong>\uff1aSDN \u53ef\u4ee5\u901a\u8fc7\u96c6\u4e2d\u7f51\u7edc\u63a7\u5236\u548c\u5b9e\u73b0\u52a8\u6001\u8d44\u6e90\u5206\u914d\u6765\u8865\u5145 MPLS\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u4e8e\u610f\u56fe\u7684\u7f51\u7edc (IBN)<\/strong>\uff1aIBN \u5229\u7528\u4eba\u5de5\u667a\u80fd\u548c\u81ea\u52a8\u5316\u4f7f\u7f51\u7edc\u884c\u4e3a\u4e0e\u4e1a\u52a1\u610f\u56fe\u4fdd\u6301\u4e00\u81f4\uff0c\u4ece\u800c\u589e\u5f3a MPLS \u7f51\u7edc\u7ba1\u7406\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IPv6\u96c6\u6210<\/strong>\uff1a\u968f\u7740 IPv6 \u7684\u91c7\u7528\u4e0d\u65ad\u589e\u52a0\uff0cMPLS \u5c06\u9700\u8981\u6709\u6548\u5730\u652f\u6301\u57fa\u4e8e IPv6 \u7684\u6d41\u91cf\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e MPLS \u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u548c MPLS \u53ef\u4ee5\u4e00\u8d77\u4f7f\u7528\u6765\u589e\u5f3a\u7f51\u7edc\u5b89\u5168\u6027\u3001\u6027\u80fd\u548c\u8bbf\u95ee\u63a7\u5236\u3002\u4ee5\u4e0b\u662f\u4ee3\u7406\u670d\u52a1\u5668\u4e0e MPLS \u5173\u8054\u7684\u4e00\u4e9b\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5185\u5bb9\u8fc7\u6ee4<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u8fc7\u6ee4\u548c\u7f13\u5b58\u5185\u5bb9\uff0c\u51cf\u5c11 MPLS \u6d41\u91cf\u5e76\u4f18\u5316\u5e26\u5bbd\u4f7f\u7528\u7387\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u589e\u5f3a\u5b89\u5168\u6027<\/strong>\uff1a\u4ee3\u7406\u53ef\u4ee5\u5145\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u4e3a MPLS \u7f51\u7edc\u589e\u52a0\u989d\u5916\u7684\u5b89\u5168\u5c42\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5730\u7406\u4f4d\u7f6e\u8def\u7531<\/strong>\uff1a\u4ee3\u7406\u53ef\u4ee5\u6839\u636e\u5730\u7406\u4f4d\u7f6e\u8def\u7531\u6d41\u91cf\uff0c\u4f18\u5316 MPLS \u7f51\u7edc\u5185\u7684\u6d41\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d1f\u8f7d\u5747\u8861<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u8de8\u591a\u4e2a MPLS \u94fe\u8def\u5206\u914d\u6d41\u91cf\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u6548\u7387\u548c\u5f39\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173 MPLS \u548c\u76f8\u5173\u4e3b\u9898\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u63a2\u7d22\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ol>\n<li><a href=\"https:\/\/datatracker.ietf.org\/wg\/mpls\/documents\/\" target=\"_new\" rel=\"noopener nofollow\">IETF MPLS \u5de5\u4f5c\u7ec4<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/tech\/ios-nx-os-software\/multiprotocol-label-switching-mpls\/white_paper_c11-559048.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco MPLS \u6280\u672f\u6982\u8ff0<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/mpls\/topics\/concept\/mpls-mpls-overview.html\" target=\"_new\" rel=\"noopener nofollow\">\u77bb\u535a\u7f51\u7edc MPLS \u8d44\u6e90\u4e2d\u5fc3<\/a><\/li>\n<\/ol>\n<p>\u603b\u4e4b\uff0cMPLS \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7f51\u7edc\u6280\u672f\uff0c\u5728\u73b0\u4ee3\u7f51\u7edc\u4e2d\u7ee7\u7eed\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5176\u57fa\u4e8e\u6807\u7b7e\u7684\u8f6c\u53d1\u548c\u6d41\u91cf\u5de5\u7a0b\u529f\u80fd\u4f7f\u5176\u6210\u4e3a\u5e0c\u671b\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u548c\u6548\u7387\u7684\u4f01\u4e1a\u548c\u670d\u52a1\u63d0\u4f9b\u5546\u7684\u9996\u9009\u3002\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\uff0cMPLS \u53ef\u80fd\u4f1a\u7ee7\u7eed\u53d1\u5c55\u548c\u9002\u5e94\uff0c\u4ee5\u6ee1\u8db3\u6570\u5b57\u4e16\u754c\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u3002<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478066","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>MPLS: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is MPLS?","answer":"<p>MPLS, which stands for Multiprotocol Label Switching, is an advanced networking technology that improves data forwarding and network performance. It introduces labels to data packets, allowing for faster and more efficient packet forwarding compared to traditional IP-based routing.<\/p>"},{"question":"How did MPLS originate, and when was it first mentioned?","answer":"<p>MPLS was first introduced by engineers and researchers from Cisco Systems in the late 1990s. The initial concept of \"label switching\" as part of MPLS was formally mentioned in a draft document for the Internet Engineering Task Force (IETF) in 1996 by Yakov Rekhter and Eric Rosen.<\/p>"},{"question":"How does MPLS work internally?","answer":"<p>MPLS operates as a middle layer between the OSI Layer 2 and Layer 3. When a data packet enters an MPLS network, a label is attached to it by the ingress router. Routers then switch packets based on these labels rather than analyzing destination IP addresses, resulting in faster packet forwarding.<\/p>"},{"question":"What are the key features of MPLS?","answer":"<p>MPLS offers several key features, including traffic engineering, Quality of Service (QoS) support, scalability, fast packet forwarding, and the ability to create Virtual Private Networks (VPNs) for enhanced security.<\/p>"},{"question":"What are the different types of MPLS?","answer":"<p>MPLS comes in various types based on its applications and functionality. Some common types include MPLS LDP (Label Distribution Protocol), MPLS RSVP-TE (Resource Reservation Protocol - Traffic Engineering), MPLS VPN (Virtual Private Network), and MPLS Traffic Engineering (MPLS-TE).<\/p>"},{"question":"How is MPLS used, and what problems can arise?","answer":"<p>MPLS is used in enterprise networks, ISPs, mobile backhaul networks, and data centers to create efficient and secure connections. Common challenges include complexity, cost, and vendor interoperability. These can be addressed by outsourcing MPLS management, optimizing costs, and adhering to standardization.<\/p>"},{"question":"What are the main characteristics of MPLS compared to similar terms?","answer":"<p>MPLS stands out with its label-based packet forwarding, label switching concept, efficient traffic engineering, and robust QoS support when compared to traditional IP networks.<\/p>"},{"question":"What does the future hold for MPLS?","answer":"<p>In the future, MPLS is likely to remain a fundamental part of networking. Emerging technologies like Segment Routing (SR), Software-Defined Networking (SDN), and Intent-Based Networking (IBN) may complement MPLS, enhancing its capabilities.<\/p>"},{"question":"How can proxy servers be used with MPLS?","answer":"<p>Proxy servers can enhance MPLS networks by providing content filtering, improved security, geolocation routing, and load balancing. They work as intermediaries between clients and servers, optimizing traffic flow within the MPLS network.<\/p><p>Explore the power of MPLS and its potential to revolutionize your network!<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478066\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478066"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}