{"id":478325,"date":"2023-08-09T09:31:12","date_gmt":"2023-08-09T09:31:12","guid":{"rendered":""},"modified":"2023-09-05T11:16:30","modified_gmt":"2023-09-05T11:16:30","slug":"packet-switched-network","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/packet-switched-network\/","title":{"rendered":"\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc"},"content":{"rendered":"<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u662f\u4e00\u79cd\u4ee5\u6570\u636e\u5305\u5f62\u5f0f\u4f20\u8f93\u6570\u636e\u7684\u901a\u4fe1\u7f51\u7edc\uff0c\u53ef\u5728\u5404\u4e2a\u4e92\u8fde\u8282\u70b9\u4e4b\u95f4\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002\u4e0e\u4e3a\u6574\u4e2a\u901a\u4fe1\u4f1a\u8bdd\u5efa\u7acb\u4e13\u7528\u8def\u5f84\u7684\u4f20\u7edf\u7535\u8def\u4ea4\u6362\u7f51\u7edc\u4e0d\u540c\uff0c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5c06\u6570\u636e\u62c6\u5206\u4e3a\u8f83\u5c0f\u7684\u6570\u636e\u5305\uff0c\u5e76\u5c06\u5b83\u4eec\u72ec\u7acb\u8def\u7531\u5230\u76ee\u7684\u5730\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4f18\u5316\u7f51\u7edc\u8d44\u6e90\uff0c\u5e76\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<h2>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u5176\u9996\u6b21\u63d0\u53ca<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7684\u6982\u5ff5\u6700\u65e9\u7531\u5510\u7eb3\u5fb7\u00b7\u6234\u7ef4\u65af\u4e8e 20 \u4e16\u7eaa 60 \u5e74\u4ee3\u521d\u5728\u82f1\u56fd\u56fd\u5bb6\u7269\u7406\u5b9e\u9a8c\u5ba4 (NPL) \u5de5\u4f5c\u65f6\u63d0\u51fa\u3002\u4ed6\u7684\u613f\u666f\u662f\u521b\u5efa\u4e00\u4e2a\u80fd\u591f\u6bd4\u73b0\u6709\u7535\u8def\u4ea4\u6362\u7cfb\u7edf\u66f4\u6709\u6548\u5730\u5904\u7406\u6570\u636e\u6d41\u91cf\u7684\u6570\u5b57\u901a\u4fe1\u7f51\u7edc\u3002\u5206\u7ec4\u4ea4\u6362\u7684\u9996\u6b21\u5b9e\u9645\u5e94\u7528\u53d1\u751f\u5728 1967 \u5e74 NPL \u6570\u636e\u901a\u4fe1\u7f51\u7edc (DCN) \u7684\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u540e\u6765\u8be5\u7f51\u7edc\u6210\u4e3a\u5f00\u521b\u6027\u7684 ARPANET\uff08\u73b0\u4ee3\u4e92\u8054\u7f51\u7684\u524d\u8eab\uff09\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<h2>\u6709\u5173\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c06\u6570\u636e\u5206\u89e3\u6210\u66f4\u5c0f\u7684\u6570\u636e\u5305\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u5305\u542b\u539f\u59cb\u6570\u636e\u7684\u4e00\u90e8\u5206\u4ee5\u53ca\u5fc5\u8981\u7684\u63a7\u5236\u4fe1\u606f\u3002\u7136\u540e\uff0c\u8fd9\u4e9b\u6570\u636e\u5305\u901a\u8fc7\u7f51\u7edc\u7684\u5404\u4e2a\u4e92\u8fde\u8282\u70b9\u5355\u72ec\u8f6c\u53d1\u5230\u76ee\u7684\u5730\u3002\u76ee\u6807\u8282\u70b9\u5c06\u91cd\u65b0\u7ec4\u88c5\u6570\u636e\u5305\u4ee5\u91cd\u5efa\u539f\u59cb\u6570\u636e\u3002<\/p>\n<p>\u5206\u7ec4\u4ea4\u6362\u5177\u6709\u591a\u79cd\u4f18\u70b9\uff0c\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u6548\u7387<\/strong>\uff1a\u5206\u7ec4\u4ea4\u6362\u5141\u8bb8\u591a\u4e2a\u6570\u636e\u6d41\u540c\u65f6\u5171\u4eab\u76f8\u540c\u7684\u7269\u7406\u94fe\u8def\uff0c\u4ece\u800c\u6709\u6548\u5229\u7528\u7f51\u7edc\u8d44\u6e90\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u9760\u6027<\/strong>\uff1a\u5982\u679c\u8282\u70b9\u6216\u94fe\u8def\u53d1\u751f\u6545\u969c\uff0c\u6570\u636e\u5305\u53ef\u4ee5\u901a\u8fc7\u66ff\u4ee3\u8def\u5f84\u91cd\u65b0\u8def\u7531\uff0c\u786e\u4fdd\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5177\u6709\u9ad8\u5ea6\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u5bb9\u7eb3\u8d8a\u6765\u8d8a\u591a\u7684\u8bbe\u5907\u548c\u7528\u6237\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u4e0d\u540c\u7684\u6570\u636e\u5305\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u8def\u7ebf\u5230\u8fbe\u76ee\u7684\u5730\uff0c\u4ee5\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u7f51\u7edc\u6761\u4ef6\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u5185\u90e8\u7ed3\u6784\uff1a\u5176\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u5185\u90e8\u7ed3\u6784\u6d89\u53ca\u51e0\u4e2a\u5173\u952e\u7ec4\u4ef6\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5305<\/strong>\uff1a\u6570\u636e\u5305\u662f\u643a\u5e26\u6709\u6548\u8f7d\u8377\uff08\u5b9e\u9645\u6570\u636e\uff09\u548c\u63a7\u5236\u4fe1\u606f\uff08\u4f8b\u5982\u6e90\u5730\u5740\u548c\u76ee\u6807\u5730\u5740\uff09\u7684\u5c0f\u6570\u636e\u5355\u4f4d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8def\u7531\u5668<\/strong>\uff1a\u8def\u7531\u5668\u662f\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u4e2d\u7684\u5173\u952e\u8bbe\u5907\u3002\u5b83\u4eec\u68c0\u67e5\u6bcf\u4e2a\u6570\u636e\u5305\u4e2d\u7684\u76ee\u6807\u5730\u5740\uff0c\u5e76\u786e\u5b9a\u5c06\u5176\u8f6c\u53d1\u5230\u4e0b\u4e00\u4e2a\u8282\u70b9\u7684\u6700\u4f73\u8def\u5f84\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f00\u5173<\/strong>\uff1a\u4ea4\u6362\u673a\u7528\u4e8e\u5c40\u57df\u7f51 (LAN) \u548c\u6570\u636e\u4e2d\u5fc3\uff0c\u5728\u540c\u4e00\u7f51\u7edc\u5185\u7684\u8bbe\u5907\u4e4b\u95f4\u8f6c\u53d1\u6570\u636e\u5305\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f20\u8f93\u94fe\u8def<\/strong>\uff1a\u8fd9\u4e9b\u662f\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u5b9e\u73b0\u6570\u636e\u5305\u4f20\u8f93\u7684\u7269\u7406\u8fde\u63a5\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5f53\u7528\u6237\u901a\u8fc7\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u53d1\u9001\u6570\u636e\u65f6\uff0c\u6570\u636e\u4f1a\u88ab\u5206\u6210\u591a\u4e2a\u6570\u636e\u5305\u3002\u7136\u540e\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u90fd\u4f1a\u88ab\u5355\u72ec\u8f6c\u53d1\u5230\u5176\u76ee\u7684\u5730\u3002\u5728\u4e2d\u95f4\u8282\u70b9\uff0c\u8def\u7531\u5668\u4f1a\u68c0\u67e5\u76ee\u6807\u5730\u5740\uff0c\u5e76\u6839\u636e\u8def\u7531\u8868\u786e\u5b9a\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u4e0b\u4e00\u8df3\u3002\u6b64\u8fc7\u7a0b\u6301\u7eed\u8fdb\u884c\uff0c\u76f4\u5230\u6240\u6709\u6570\u636e\u5305\u90fd\u5230\u8fbe\u76ee\u7684\u5730\uff0c\u7136\u540e\u91cd\u65b0\u7ec4\u88c5\u4ee5\u91cd\u65b0\u521b\u5efa\u539f\u59cb\u6570\u636e\u3002<\/p>\n<h2>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u4e3b\u8981\u7279\u5f81\u5206\u6790<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5177\u6709\u51e0\u4e2a\u663e\u8457\u7684\u7279\u70b9\uff0c\u6709\u52a9\u4e8e\u5176\u88ab\u5e7f\u6cdb\u91c7\u7528\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u5f02\u6b65\u901a\u4fe1<\/strong>\uff1a\u6570\u636e\u5305\u5728\u7f51\u7edc\u4e2d\u72ec\u7acb\u4e14\u5f02\u6b65\u5730\u4f20\u8f93\uff0c\u4ece\u800c\u4f18\u5316\u6570\u636e\u6d41\u5e76\u5b9e\u73b0\u66f4\u597d\u7684\u8d44\u6e90\u5229\u7528\u7387\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9519\u8bef\u5904\u7406<\/strong>\uff1a\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u91c7\u7528\u9519\u8bef\u6821\u9a8c\u673a\u5236\uff0c\u80fd\u591f\u68c0\u6d4b\u548c\u91cd\u65b0\u4f20\u8f93\u635f\u574f\u7684\u6570\u636e\u5305\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u865a\u62df\u7535\u8def<\/strong>\uff1a\u4e00\u4e9b\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5b9e\u73b0\u865a\u62df\u7535\u8def\uff0c\u4e3a\u6570\u636e\u5305\u5efa\u7acb\u4e34\u65f6\u8def\u5f84\uff0c\u7c7b\u4f3c\u4e8e\u7535\u8def\u4ea4\u6362\u7f51\u7edc\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65e0\u8fde\u63a5\u901a\u4fe1<\/strong>\uff1a\u4e0e\u7535\u8def\u4ea4\u6362\u7f51\u7edc\u4e0d\u540c\uff0c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u91c7\u7528\u65e0\u8fde\u63a5\u6a21\u578b\u8fd0\u884c\uff0c\u65e0\u9700\u4e13\u7528\u901a\u4fe1\u8def\u5f84\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u7c7b\u578b<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u6709\u591a\u79cd\u5f62\u5f0f\uff0c\u6bcf\u79cd\u5f62\u5f0f\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7c7b\u578b\u7684\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7f51\u7edc\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>IP\uff08\u4e92\u8054\u7f51\u534f\u8bae\uff09<\/strong><\/td>\n<td>\u4e92\u8054\u7f51\u4e2d\u6700\u6d41\u884c\u7684\u7c7b\u578b\uff0c\u5229\u7528 IP \u5730\u5740\u8fdb\u884c\u6570\u636e\u5305\u8def\u7531\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>MPLS\uff08\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362\uff09<\/strong><\/td>\n<td>\u4e3a\u6570\u636e\u4f20\u8f93\u63d0\u4f9b\u589e\u5f3a\u7684\u6027\u80fd\u548c\u6d41\u91cf\u5de5\u7a0b\u80fd\u529b\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>X.25<\/strong><\/td>\n<td>\u4e00\u79cd\u8f83\u65e7\u7684\u3001\u73b0\u5df2\u57fa\u672c\u8fc7\u65f6\u7684\u7f51\u7edc\uff0c\u7528\u4e8e\u516c\u5171\u6570\u636e\u7f51\u7edc\u548c\u65e9\u671f\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5e27\u4e2d\u7ee7<\/strong><\/td>\n<td>\u4e3a\u8fde\u63a5\u5c40\u57df\u7f51\uff08LAN\uff09\u63d0\u4f9b\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5728\u73b0\u4ee3\u7535\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u4e92\u8054\u7f51\u901a\u8baf<\/strong>\uff1a\u6574\u4e2a\u4e92\u8054\u7f51\u5efa\u7acb\u5728\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u57fa\u7840\u4e0a\u3002\u5b83\u4fc3\u8fdb\u4e86\u5168\u7403\u7528\u6237\u4e4b\u95f4\u7684\u65e0\u7f1d\u901a\u4fe1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IP \u8bed\u97f3 (VoIP)<\/strong>\uff1aVoIP \u670d\u52a1\u5229\u7528\u5206\u7ec4\u4ea4\u6362\u901a\u8fc7\u4e92\u8054\u7f51\u4f20\u8f93\u8bed\u97f3\u6570\u636e\uff0c\u5b9e\u73b0\u7ecf\u6d4e\u9ad8\u6548\u4e14\u7075\u6d3b\u7684\u8bed\u97f3\u901a\u4fe1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89c6\u9891\u6d41<\/strong>\uff1a\u5728\u7ebf\u89c6\u9891\u6d41\u5e73\u53f0\u4f7f\u7528\u5206\u7ec4\u4ea4\u6362\u6765\u9ad8\u6548\u5730\u5411\u7528\u6237\u63d0\u4f9b\u5a92\u4f53\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5728\u7ebf\u6e38\u620f<\/strong>\uff1a\u591a\u4eba\u5728\u7ebf\u6e38\u620f\u4f9d\u9760\u5206\u7ec4\u4ea4\u6362\u6765\u63d0\u4f9b\u73a9\u5bb6\u4e4b\u95f4\u7684\u5b9e\u65f6\u4e92\u52a8\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u867d\u7136\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5177\u6709\u8bb8\u591a\u4f18\u70b9\uff0c\u4f46\u5b83\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u67d0\u4e9b\u95ee\u9898\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u6570\u636e\u5305\u4e22\u5931<\/strong>\uff1a\u7531\u4e8e\u7f51\u7edc\u62e5\u585e\u6216\u8005\u9519\u8bef\uff0c\u4e00\u4e9b\u6570\u636e\u5305\u53ef\u80fd\u4f1a\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e22\u5931\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u91cd\u65b0\u4f20\u8f93\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6f5c\u4f0f<\/strong>\uff1a\u6570\u636e\u5305\u4f20\u8f93\u5ef6\u8fdf\u53ef\u80fd\u4f1a\u5f71\u54cd\u89c6\u9891\u4f1a\u8bae\u6216\u5728\u7ebf\u6e38\u620f\u7b49\u5b9e\u65f6\u5e94\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u5168<\/strong>\uff1a\u7531\u4e8e\u6570\u636e\u5305\u72ec\u7acb\u4f20\u8f93\uff0c\u56e0\u6b64\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u786e\u4fdd\u6570\u636e\u5b89\u5168\u5bf9\u4e8e\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u6216\u7be1\u6539\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u901a\u5e38\u6d89\u53ca\u5b9e\u65bd\u670d\u52a1\u8d28\u91cf (QoS) \u673a\u5236\u3001\u7ea0\u9519\u7b97\u6cd5\u548c\u52a0\u5bc6\u534f\u8bae\u4ee5\u589e\u5f3a\u7f51\u7edc\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83<\/h2>\n<p>\u8ba9\u6211\u4eec\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e0b\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u4e3b\u8981\u7279\u5f81\uff0c\u5e76\u5c06\u5176\u4e0e\u7535\u8def\u4ea4\u6362\u7f51\u7edc\u8fdb\u884c\u6bd4\u8f83\uff1a<\/p>\n<p><strong>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc<\/strong>:<\/p>\n<ul>\n<li>\u5c06\u6570\u636e\u5206\u6210\u6570\u636e\u5305\u8fdb\u884c\u4f20\u8f93\u3002<\/li>\n<li>\u5229\u7528\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\u8fdb\u884c\u6570\u636e\u8f6c\u53d1\u3002<\/li>\n<li>\u652f\u6301\u5f02\u6b65\u901a\u4fe1\u3002<\/li>\n<li>\u63d0\u4f9b\u9ad8\u6548\u7684\u8d44\u6e90\u5229\u7528\u7387\u548c\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u7535\u8def\u4ea4\u6362\u7f51\u7edc<\/strong>:<\/p>\n<ul>\n<li>\u4e3a\u6574\u4e2a\u901a\u4fe1\u4f1a\u8bdd\u5efa\u7acb\u4e13\u7528\u7535\u8def\u3002<\/li>\n<li>\u5229\u7528\u7535\u8def\u4ea4\u6362\u673a\u8fde\u63a5\u8bbe\u5907\u3002<\/li>\n<li>\u5728\u6574\u4e2a\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u9700\u8981\u4e13\u7528\u8fde\u63a5\u3002<\/li>\n<li>\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u548c\u56fa\u5b9a\u5e26\u5bbd\u3002<\/li>\n<\/ul>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7531\u4e8e\u5176\u7075\u6d3b\u6027\u548c\u8d44\u6e90\u6548\u7387\u800c\u5728\u73b0\u4ee3\u901a\u4fe1\u4e2d\u66f4\u4e3a\u666e\u904d\uff0c\u800c\u7535\u8def\u4ea4\u6362\u7f51\u7edc\u5219\u9002\u7528\u4e8e\u4f4e\u5ef6\u8fdf\u548c\u4e00\u81f4\u5e26\u5bbd\u81f3\u5173\u91cd\u8981\u7684\u7279\u5b9a\u573a\u666f\u3002<\/p>\n<h2>\u4e0e\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u672a\u6765\u524d\u666f\u5149\u660e\uff0c\u6709\u591a\u79cd\u6280\u672f\u548c\u8fdb\u6b65\u63a8\u52a8\u7740\u5176\u53d1\u5c55\uff1a<\/p>\n<ol>\n<li>\n<p><strong>IPv6<\/strong>\uff1aIPv4 \u7684\u540e\u7ee7\u8005 IPv6 \u7684\u91c7\u7528\u5c06\u6269\u5927\u5730\u5740\u7a7a\u95f4\u5e76\u652f\u6301\u8d8a\u6765\u8d8a\u591a\u7684\u4e92\u8054\u7f51\u8fde\u63a5\u8bbe\u5907\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc (SDN)<\/strong>\uff1aSDN\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u901a\u8fc7\u8f6f\u4ef6\u52a8\u6001\u5730\u63a7\u5236\u548c\u7ba1\u7406\u7f51\u7edc\u8d44\u6e90\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u654f\u6377\u3001\u9002\u5e94\u6027\u66f4\u5f3a\u7684\u7f51\u7edc\u3002<\/p>\n<\/li>\n<li>\n<p><strong>5G \u7f51\u7edc<\/strong>\uff1a5G \u7f51\u7edc\u7684\u5f15\u5165\u6709\u671b\u5b9e\u73b0\u66f4\u5feb\u7684\u6570\u636e\u901f\u5ea6\u548c\u66f4\u4f4e\u7684\u5ef6\u8fdf\uff0c\u652f\u6301\u7269\u8054\u7f51 (IoT) \u548c\u589e\u5f3a\u73b0\u5b9e\u7b49\u65b0\u5174\u6280\u672f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f51\u7edc\u529f\u80fd\u865a\u62df\u5316 (NFV)<\/strong>\uff1aNFV\u5141\u8bb8\u7f51\u7edc\u529f\u80fd\u865a\u62df\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7075\u6d3b\u3001\u66f4\u5177\u6210\u672c\u6548\u76ca\u7684\u7f51\u7edc\u7ba1\u7406\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5c06\u5176\u4e0e\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5728\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u4e2d\u53d1\u6325\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5b83\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u51e0\u4e2a\u597d\u5904\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u533f\u540d<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u9690\u85cf\u7528\u6237\u7684 IP \u5730\u5740\uff0c\u5728\u4e92\u8054\u7f51\u6d4f\u89c8\u671f\u95f4\u63d0\u4f9b\u989d\u5916\u7684\u533f\u540d\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5185\u5bb9\u8fc7\u6ee4<\/strong>\uff1a\u53ef\u4ee5\u914d\u7f6e\u4ee3\u7406\u670d\u52a1\u5668\u6765\u8fc7\u6ee4\u6389\u4e0d\u9700\u8981\u7684\u6216\u6f5c\u5728\u7684\u6709\u5bb3\u5185\u5bb9\uff0c\u589e\u5f3a\u7f51\u7edc\u5b89\u5168\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d1f\u8f7d\u5747\u8861<\/strong>\uff1a\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5c06\u4f20\u5165\u7684\u8bf7\u6c42\u5206\u5e03\u5728\u591a\u4e2a\u670d\u52a1\u5668\u4e4b\u95f4\uff0c\u4ece\u800c\u4f18\u5316\u8d44\u6e90\u5229\u7528\u7387\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f13\u5b58<\/strong>\uff1a\u4ee3\u7406\u53ef\u4ee5\u7f13\u5b58\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u51cf\u5c11\u4ece\u4e92\u8054\u7f51\u4e0a\u91cd\u590d\u68c0\u7d22\u76f8\u540c\u4fe1\u606f\u7684\u9700\u8981\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5bf9\u4e8e\u786e\u4fdd\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u4e2d\u9ad8\u6548\u3001\u5b89\u5168\u7684\u6570\u636e\u4f20\u8f93\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u6b64\u5b83\u4eec\u6210\u4e3a\u4f01\u4e1a\u548c\u4e2a\u4eba\u7528\u6237\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u6709\u5173\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8003\u8651\u63a2\u7d22\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/www.internetsociety.org\/\" target=\"_new\" rel=\"noopener nofollow\">\u4e92\u8054\u7f51\u534f\u4f1a (ISOC)<\/a>\uff1a\u81f4\u529b\u4e8e\u4fc3\u8fdb\u4e92\u8054\u7f51\u5f00\u653e\u53d1\u5c55\u3001\u6f14\u8fdb\u548c\u4f7f\u7528\u7684\u975e\u8425\u5229\u7ec4\u7ec7\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.netacad.com\/\" target=\"_new\" rel=\"noopener nofollow\">\u601d\u79d1\u7f51\u7edc\u5b66\u9662<\/a>\uff1a\u63d0\u4f9b\u5168\u9762\u7684\u7f51\u7edc\u8bfe\u7a0b\u548c\u8d44\u6e90\uff0c\u5305\u62ec\u4e0e\u5206\u7ec4\u4ea4\u6362\u76f8\u5173\u7684\u8bfe\u7a0b\u548c\u8d44\u6e90\u3002<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.comsoc.org\/\" target=\"_new\" rel=\"noopener nofollow\">IEEE \u901a\u4fe1\u534f\u4f1a<\/a>\uff1a\u901a\u4fe1\u548c\u7f51\u7edc\u9886\u57df\u4e13\u4e1a\u4eba\u58eb\u7684\u9886\u5148\u793e\u533a\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u603b\u4e4b\uff0c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u5f7b\u5e95\u6539\u53d8\u4e86\u73b0\u4ee3\u901a\u4fe1\uff0c\u4e3a\u4e92\u8054\u7f51\u548c\u6211\u4eec\u4eca\u5929\u4f7f\u7528\u7684\u65e0\u6570\u5e94\u7528\u7a0b\u5e8f\u94fa\u5e73\u4e86\u9053\u8def\u3002\u968f\u7740\u4e0d\u65ad\u7684\u8fdb\u6b65\u548c\u521b\u65b0\uff0c\u5206\u7ec4\u4ea4\u6362\u7f51\u7edc\u7684\u672a\u6765\u5145\u6ee1\u4e86\u4ee4\u4eba\u5174\u594b\u7684\u53ef\u80fd\u6027\uff0c\u786e\u4fdd\u5728\u65e5\u76ca\u4e92\u8054\u7684\u4e16\u754c\u4e2d\u5b9e\u73b0\u65e0\u7f1d\u6570\u636e\u4f20\u8f93\u548c\u8fde\u63a5\u3002<\/p>","protected":false},"featured_media":478326,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478325","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Packet Switched Network: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a Packet Switched Network?","answer":"<p>A Packet Switched Network is a communication network that efficiently transmits data in the form of smaller packets, allowing flexible and reliable data transfer across interconnected nodes.<\/p>"},{"question":"Who proposed the concept of Packet Switching, and when was it first implemented?","answer":"<p>The concept of Packet Switching was proposed by Donald Davies in the early 1960s. The first practical implementation took place with the development of the NPL Data Communications Network (DCN) in 1967, which later became part of the pioneering ARPANET.<\/p>"},{"question":"How does a Packet Switched Network work internally?","answer":"<p>Packet Switched Networks break down data into smaller packets, each containing a portion of the original data and control information. These packets are independently forwarded through the network's nodes, reassembling at the destination to reconstruct the original data.<\/p>"},{"question":"What are the key features of Packet Switched Networks?","answer":"<p>Some key features of Packet Switched Networks include asynchronous communication, efficient resource utilization, reliability through packet rerouting, and scalability to accommodate growing numbers of devices and users.<\/p>"},{"question":"What types of Packet Switched Networks exist?","answer":"<p>Various types of Packet Switched Networks include IP (Internet Protocol), MPLS (Multi-Protocol Label Switching), X.25, and Frame Relay, each with specific characteristics and applications.<\/p>"},{"question":"How are Packet Switched Networks used, and what problems can occur?","answer":"<p>Packet Switched Networks are widely used for internet communication, VoIP, video streaming, online gaming, and more. Potential issues include packet loss, latency, and security concerns, which can be addressed through Quality of Service (QoS) mechanisms and encryption protocols.<\/p>"},{"question":"How does the future of Packet Switched Networks look like?","answer":"<p>The future of Packet Switched Networks holds promising technologies such as IPv6 adoption, SDN implementation, 5G networks, and Network Function Virtualization (NFV) to enhance network capabilities and flexibility.<\/p>"},{"question":"How are proxy servers associated with Packet Switched Networks?","answer":"<p>Proxy servers play a crucial role in Packet Switched Networks by providing anonymity, content filtering, load balancing, and caching, ensuring secure and efficient data transmission.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/478325","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\/478325\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/478326"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=478325"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}