{"id":96893,"date":"2024-08-16T16:53:24","date_gmt":"2024-08-16T08:53:24","guid":{"rendered":"\/\/www.viralrail.com\/?p=96893"},"modified":"2024-08-16T16:53:34","modified_gmt":"2024-08-16T08:53:34","slug":"swljgfwnsc","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96893.html","title":{"rendered":"SDN\u7f51\u7edc\u67b6\u6784\u5206\u4e3a\u54ea\u4e09\u5c42"},"content":{"rendered":"\n<p>\u3000\u3000<strong>SDN(Software-Defined Networking\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc)<\/strong>\u662f\u4e00\u79cd\u65b0\u578b\u7f51\u7edc\u67b6\u6784\uff0c\u5176\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u7f51\u7edc\u7684\u63a7\u5236\u5e73\u9762\u4e0e\u6570\u636e\u5e73\u9762\u5206\u79bb\uff0c\u4ee5\u5b9e\u73b0\u7f51\u7edc\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7f16\u7a0b\u6027\u3002<strong>SDN\u7f51\u7edc<\/strong>\u67b6\u6784\u901a\u5e38\u5206\u4e3a\u4ee5\u4e0b\u4e09\u5c42\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u5c42\uff08Application Layer\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e00\u5c42\u5305\u62ec\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\uff0c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7\u5f00\u653e\u7684API(\u5982\u5317\u5411\u63a5\u53e3)\u4e0e\u63a7\u5236\u5c42\u8fdb\u884c\u4ea4\u4e92\u3002\u5e94\u7528\u5c42\u8d1f\u8d23\u7ba1\u7406\u548c\u4f18\u5316\u7f51\u7edc\u8d44\u6e90\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u5178\u578b\u7684\u5e94\u7528\u5305\u62ec\u7f51\u7edc\u865a\u62df\u5316\u3001\u6d41\u91cf\u7ba1\u7406\u3001\u5b89\u5168\u7b56\u7565\u3001\u8d1f\u8f7d\u5747\u8861\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u63a7\u5236\u5c42\uff08Control Layer\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u63a7\u5236\u5c42\u662fSDN\u7684\u6838\u5fc3\u90e8\u5206\uff0c\u8d1f\u8d23\u7f51\u7edc\u7684\u903b\u8f91\u63a7\u5236\u3002\u5b83\u96c6\u4e2d\u7ba1\u7406\u548c\u914d\u7f6e\u7f51\u7edc\u8bbe\u5907\uff0c\u51b3\u5b9a\u6570\u636e\u6d41\u7684\u8f6c\u53d1\u8def\u5f84\u3002\u63a7\u5236\u5c42\u4e0e\u5e94\u7528\u5c42\u8fdb\u884c\u901a\u4fe1\uff0c\u4ece\u5e94\u7528\u5c42\u63a5\u6536\u6307\u4ee4\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6307\u4ee4\u8f6c\u5316\u4e3a\u5bf9\u7f51\u7edc\u8bbe\u5907\u7684\u5177\u4f53\u914d\u7f6e\u3002\u5e38\u89c1\u7684\u63a7\u5236\u5668\u8f6f\u4ef6\u5305\u62ecOpenFlow\u63a7\u5236\u5668\u3001ONOS\u3001ODL(OpenDaylight)\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u636e\u5c42\uff08Data Layer\uff09<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6570\u636e\u5c42\u4e5f\u79f0\u4e3a\u57fa\u7840\u8bbe\u65bd\u5c42(Infrastructure Layer)\uff0c\u7531\u5b9e\u9645\u6267\u884c\u6570\u636e\u5305\u8f6c\u53d1\u7684\u7f51\u7edc\u8bbe\u5907\u7ec4\u6210\uff0c\u5982\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u548c\u9632\u706b\u5899\u7b49\u3002\u6570\u636e\u5c42\u8bbe\u5907\u6267\u884c\u7531\u63a7\u5236\u5c42\u4e0b\u53d1\u7684\u6307\u4ee4\uff0c\u5e76\u5c06\u6570\u636e\u5305\u6309\u7167\u9884\u5b9a\u7684\u8def\u5f84\u8fdb\u884c\u8f6c\u53d1\u3002\u6570\u636e\u5c42\u901a\u5e38\u652f\u6301\u6807\u51c6\u534f\u8bae(\u5982OpenFlow)\u4ee5\u4fbf\u4e8e\u63a7\u5236\u5c42\u7684\u6307\u4ee4\u4e0b\u8fbe\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u8fd9\u4e09\u5c42\u7684\u534f\u4f5c\uff0cSDN\u80fd\u591f\u5b9e\u73b0\u7f51\u7edc\u7684\u7075\u6d3b\u7ba1\u7406\uff0c\u964d\u4f4e\u8fd0\u7ef4\u590d\u6742\u6027\uff0c\u652f\u6301\u5feb\u901f\u90e8\u7f72\u548c\u8c03\u6574\u7f51\u7edc\u7b56\u7565\u4ee5\u6ee1\u8db3\u52a8\u6001\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 SDN\u7f51\u7edc\u67b6\u6784\u4e2d\u7684\u5e94\u7528\u5c42\u5177\u4f53\u627f\u62c5\u54ea\u4e9b\u529f\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728SDN(\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc)\u67b6\u6784\u4e2d\uff0c\u5e94\u7528\u5c42\u627f\u62c5\u4e86\u591a\u79cd\u5173\u952e\u529f\u80fd\u3002\u53ef\u4ee5\u603b\u7ed3\u51fa\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u63d0\u4f9b\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f<\/strong>\uff1a\u5e94\u7528\u5c42\u662fSDN\u4e2d\u7684\u6700\u4e0a\u5c42\uff0c\u5b83\u63d0\u4f9b\u4e86\u5404\u79cd\u5404\u6837\u7684\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\uff0c\u5305\u62ec\u76d1\u63a7\u3001\u5b89\u5168\u3001\u8d28\u91cf\u4fdd\u969c\u7b49\u65b9\u9762\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53ef\u7f16\u7a0b\u6027\u4f53\u73b0<\/strong>\uff1a\u5e94\u7528\u5c42\u662fSDN\u53ef\u7f16\u7a0b\u6027\u7684\u4f53\u73b0\uff0c\u901a\u8fc7SDN\u5317\u5411\u63a5\u53e3\u4e0eSDN\u63a7\u5236\u5668\u8fdb\u884c\u901a\u4fe1\uff0c\u65e0\u9700\u8003\u8651\u7f51\u7edc\u5e95\u5c42\u7684\u590d\u6742\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53d1\u51fa\u8def\u7531\u8bf7\u6c42\u548c\u76d1\u63a7\u7f51\u7edc\u72b6\u6001<\/strong>\uff1a\u5e94\u7528\u5c42\u8d1f\u8d23\u53d1\u51fa\u8def\u7531\u8bf7\u6c42\u548c\u76d1\u63a7\u7f51\u7edc\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b9e\u73b0\u548c\u7f51\u7edc\u4e1a\u52a1\u76f8\u5173\u7684\u7ba1\u7406\u3001\u5b89\u5168\u7b49\u5e94\u7528<\/strong>\uff1a\u57fa\u4e8e\u63a7\u5236\u5668\u63d0\u4f9b\u7684API\u63a5\u53e3\uff0c\u5e94\u7528\u5c42\u53ef\u4ee5\u5b9e\u73b0\u548c\u7f51\u7edc\u4e1a\u52a1\u76f8\u5173\u7684\u7ba1\u7406\u3001\u5b89\u5168\u7b49\u5e94\u7528\uff0c\u5e76\u80fd\u6839\u636e\u7528\u6237\u9700\u6c42\u5b9a\u5236\u5176\u4ed6\u7f51\u7edc\u4e1a\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5305\u542b\u7279\u5b9a\u4e8e\u7f51\u7edc\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u5546\u4e1a\u5e94\u7528\u7a0b\u5e8f<\/strong>\uff1a\u5e94\u7528\u5c42\u5305\u542b\u7279\u5b9a\u4e8e\u7f51\u7edc\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u5546\u4e1a\u5e94\u7528\u7a0b\u5e8f\uff0c\u901a\u8fc7\u5317\u5411\u63a5\u53e3\u4e0e\u63a7\u5236\u5c42\u4ea4\u4e92\uff0c\u4ee5\u786e\u5b9a\u5982\u4f55\u8868\u8fbe\u64cd\u4f5c\u4efb\u52a1\u548c\u7f51\u7edc\u7b56\u7565\uff0c\u5e76\u5c06\u5b83\u4eec\u8f6c\u6362\u4e3a\u63a7\u5236\u5668\u53ef\u4ee5\u7406\u89e3\u7684\u5f62\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6ee1\u8db3\u7528\u6237\u9700\u6c42<\/strong>\uff1a\u5e94\u7528\u5c42\u5305\u542b\u8bbe\u8ba1\u6765\u6ee1\u8db3\u7528\u6237\u9700\u6c42\u7684SDN\u5e94\u7528\u7a0b\u5e8f\uff0c\u7531\u7f51\u7edc\u7ba1\u7406\u5458\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5904\u7406\u7528\u6237\u8bf7\u6c42\u548c\u63d0\u4f9b\u670d\u52a1<\/strong>\uff1a\u5e94\u7528\u5c42\u5904\u7406\u7528\u6237\u8bf7\u6c42\u5e76\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000SDN\u7f51\u7edc\u67b6\u6784\u4e2d\u7684\u5e94\u7528\u5c42\u4e3b\u8981\u627f\u62c5\u4e86\u63d0\u4f9b\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u3001\u4f53\u73b0\u53ef\u7f16\u7a0b\u6027\u3001\u53d1\u51fa\u8def\u7531\u8bf7\u6c42\u3001\u76d1\u63a7\u7f51\u7edc\u72b6\u6001\u3001\u5b9e\u73b0\u7f51\u7edc\u7ba1\u7406\u548c\u5b89\u5168\u5e94\u7528\u3001\u6ee1\u8db3\u7528\u6237\u9700\u6c42\u4ee5\u53ca\u5904\u7406\u7528\u6237\u8bf7\u6c42\u7b49\u5173\u952e\u529f\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 SDN\u63a7\u5236\u5c42\u5982\u4f55\u5b9e\u73b0\u7f51\u7edc\u7684\u7ba1\u7406\u548c\u63a7\u5236?<\/h2>\n\n\n\n<p>\u3000\u3000SDN(\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc)\u901a\u8fc7\u5c06\u63a7\u5236\u5c42\u4ece\u4f20\u7edf\u7684\u7f51\u7edc\u8bbe\u5907\u4e2d\u5206\u79bb\u51fa\u6765\uff0c\u5b9e\u73b0\u4e86\u4e00\u79cd\u66f4\u4e3a\u7075\u6d3b\u548c\u96c6\u4e2d\u5316\u7684\u7f51\u7edc\u7ba1\u7406\u65b9\u5f0f\u3002\u8fd9\u79cd\u67b6\u6784\u7684\u6838\u5fc3\u5728\u4e8e\u6570\u636e\u5e73\u9762\u548c\u63a7\u5236\u5e73\u9762\u7684\u5206\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728SDN\u67b6\u6784\u4e2d\uff0c\u63a7\u5236\u5c42\u7531\u4e00\u4e2a\u6216\u591a\u4e2aSDN\u63a7\u5236\u5668\u7ec4\u6210\uff0c\u8fd9\u4e9b\u63a7\u5236\u5668\u662f\u6574\u4e2a\u7f51\u7edc\u7684\u5927\u8111\uff0c\u8d1f\u8d23\u7ba1\u7406\u548c\u63a7\u5236\u5e95\u5c42\u7f51\u7edc\u8bbe\u5907\u7684\u884c\u4e3a\u3002\u5177\u4f53\u6765\u8bf4\uff0cSDN\u63a7\u5236\u5668\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u6765\u5b9e\u73b0\u5bf9\u7f51\u7edc\u7684\u7ba1\u7406\u548c\u63a7\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u62bd\u8c61\u7f51\u7edc\u8d44\u6e90<\/strong>\uff1aSDN\u63a7\u5236\u5668\u5c06\u5e95\u5c42\u7684\u7f51\u7edc\u8d44\u6e90\u62bd\u8c61\u6210\u53ef\u64cd\u4f5c\u7684\u4fe1\u606f\u6a21\u578b\uff0c\u5e76\u63d0\u4f9b\u7ed9\u5e94\u7528\u5c42\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7b56\u7565\u51b3\u7b56\u4e0e\u89c4\u5219\u5b9e\u65bd<\/strong>\uff1a\u63a7\u5236\u5668\u7ef4\u62a4\u6574\u4e2a\u7f51\u7edc\u7684\u89c6\u56fe\uff0c\u5b9e\u65bd\u7b56\u7565\u51b3\u7b56\uff0c\u63a7\u5236SDN\u8bbe\u5907\u5e76\u63d0\u4f9bNBI 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