{"id":6514,"date":"2026-06-03T15:38:05","date_gmt":"2026-06-03T07:38:05","guid":{"rendered":"https:\/\/www.killtest.hk\/?p=6514"},"modified":"2026-06-03T15:38:05","modified_gmt":"2026-06-03T07:38:05","slug":"openflow-%e5%8d%94%e5%ae%9a%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%be%9e%e5%82%b3%e7%b5%b1%e7%b6%b2%e8%b7%af%e5%88%b0-sdn-%e8%bb%9f%e9%ab%94%e5%ae%9a%e7%be%a9%e7%b6%b2%e8%b7%af%e7%9a%84%e6%a0%b8%e5%bf%83","status":"publish","type":"post","link":"https:\/\/www.killtest.hk\/index.php\/killtest\/openflow-%e5%8d%94%e5%ae%9a%e8%a9%b3%e8%a7%a3%ef%bc%9a%e5%be%9e%e5%82%b3%e7%b5%b1%e7%b6%b2%e8%b7%af%e5%88%b0-sdn-%e8%bb%9f%e9%ab%94%e5%ae%9a%e7%be%a9%e7%b6%b2%e8%b7%af%e7%9a%84%e6%a0%b8%e5%bf%83\/","title":{"rendered":"OpenFlow \u5354\u5b9a\u8a73\u89e3\uff1a\u5f9e\u50b3\u7d71\u7db2\u8def\u5230 SDN \u8edf\u9ad4\u5b9a\u7fa9\u7db2\u8def\u7684\u6838\u5fc3\u6280\u8853"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p>\u96a8\u8457\u96f2\u7aef\u904b\u7b97\u3001\u8cc7\u6599\u4e2d\u5fc3\u8207\u7db2\u8def\u81ea\u52d5\u5316\u7684\u5feb\u901f\u767c\u5c55\uff0c\u50b3\u7d71\u7db2\u8def\u67b6\u69cb\u9010\u6f38\u9762\u81e8\u7ba1\u7406\u8907\u96dc\u3001\u64f4\u5c55\u56f0\u96e3\u4ee5\u53ca\u81ea\u52d5\u5316\u80fd\u529b\u4e0d\u8db3\u7b49\u554f\u984c\u3002<\/p>\n\n\n\n<p>\u5728\u9019\u6a23\u7684\u80cc\u666f\u4e0b\uff0c<strong>\u8edf\u9ad4\u5b9a\u7fa9\u7db2\u8def\uff08Software Defined Networking\uff0cSDN\uff09<\/strong> \u61c9\u904b\u800c\u751f\uff0c\u800c OpenFlow \u5247\u662f SDN \u767c\u5c55\u6b77\u7a0b\u4e2d\u6700\u5177\u4ee3\u8868\u6027\u7684\u6838\u5fc3\u6280\u8853\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u8a31\u591a\u7db2\u8def\u5de5\u7a0b\u5e2b\u5728\u5b78\u7fd2 SDN\u3001\u7db2\u8def\u81ea\u52d5\u5316\u3001EVPN\/VXLAN \u6216\u6e96\u5099\u9ad8\u968e\u7db2\u8def\u8a8d\u8b49\u8003\u8a66\u6642\uff0c\u90fd\u6703\u63a5\u89f8\u5230 OpenFlow\u3002\u672c\u7bc7\u6587\u7ae0\u5c07\u4ee5\u6dfa\u986f\u6613\u61c2\u7684\u65b9\u5f0f\uff0c\u5b8c\u6574\u4ecb\u7d39 OpenFlow \u7684\u67b6\u69cb\u3001\u904b\u4f5c\u539f\u7406\u3001\u512a\u7f3a\u9ede\u4ee5\u53ca\u5e38\u898b\u8003\u8a66\u91cd\u9ede\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4ec0\u9ebc\u662f OpenFlow\uff1f<\/h1>\n\n\n\n<p>OpenFlow \u662f\u4e00\u7a2e SDN\uff08Software Defined Networking\uff09\u67b6\u69cb\u4e2d\u7684\u5357\u5411\u4ecb\u9762\uff08Southbound Interface\uff09\u5354\u5b9a\u3002<\/p>\n\n\n\n<p>\u5b83\u6700\u65e9\u7531\u7f8e\u570b\u53f2\u4e39\u4f5b\u5927\u5b78\u63d0\u51fa\uff0c\u5f8c\u7e8c\u7531 Open Networking Foundation\uff08ONF\uff09\u9032\u884c\u6a19\u6e96\u5316\u5236\u5b9a\u3002<\/p>\n\n\n\n<p>OpenFlow \u7684\u6838\u5fc3\u7406\u5ff5\u975e\u5e38\u7c21\u55ae\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5c07\u7db2\u8def\u8a2d\u5099\u7684\u63a7\u5236\u5e73\u9762\uff08Control Plane\uff09\u8207\u8cc7\u6599\u5e73\u9762\uff08Data Plane\uff09\u5206\u96e2\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u50b3\u7d71\u7db2\u8def\u67b6\u69cb<\/h2>\n\n\n\n<p>\u5728\u50b3\u7d71\u4ea4\u63db\u5668\u8207\u8def\u7531\u5668\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a7\u5236\u5e73\u9762\u8ca0\u8cac\u8a08\u7b97\u8def\u7531\u8207\u6c7a\u7b56<\/li>\n\n\n\n<li>\u8cc7\u6599\u5e73\u9762\u8ca0\u8cac\u5c01\u5305\u8f49\u767c<\/li>\n<\/ul>\n\n\n\n<p>\u5169\u8005\u90fd\u904b\u884c\u5728\u540c\u4e00\u53f0\u8a2d\u5099\u4e0a\u3002<\/p>\n\n\n\n<p>+&#8212;&#8212;&#8212;&#8212;&#8212;-+<br>| Router\/Switch |<br>| \u63a7\u5236 + \u8f49\u767c |<br>+&#8212;&#8212;&#8212;&#8212;&#8212;-+<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">OpenFlow \u67b6\u69cb<\/h2>\n\n\n\n<p>\u5728 OpenFlow \u67b6\u69cb\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a7\u5236\u908f\u8f2f\u96c6\u4e2d\u65bc SDN Controller<\/li>\n\n\n\n<li>\u7db2\u8def\u8a2d\u5099\u53ea\u8ca0\u8cac\u9ad8\u901f\u8f49\u767c\u6d41\u91cf<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>       +----------------+\n       | SDN Controller |\n       +----------------+\n                |\n            OpenFlow\n                |\n  +-------------+-------------+\n  |             |             |\nSwitch1     Switch2          Switch3\n(\u8cc7\u6599\u8f49\u767c)   (\u8cc7\u6599\u8f49\u767c)       (\u8cc7\u6599\u8f49\u767c)<\/code><\/pre>\n\n\n\n<p>\u9019\u7a2e\u8a2d\u8a08\u8b93\u7db2\u8def\u5177\u5099\u66f4\u9ad8\u7684\u96c6\u4e2d\u7ba1\u7406\u8207\u81ea\u52d5\u5316\u80fd\u529b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u80fd\u89e3\u6c7a\u4ec0\u9ebc\u554f\u984c\uff1f<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u7db2\u8def\u96c6\u4e2d\u7ba1\u7406<\/h2>\n\n\n\n<p>\u50b3\u7d71\u5927\u578b\u4f01\u696d\u7db2\u8def\u53ef\u80fd\u5305\u542b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6578\u767e\u53f0\u4ea4\u63db\u5668<\/li>\n\n\n\n<li>\u6578\u5341\u53f0\u6838\u5fc3\u8a2d\u5099<\/li>\n\n\n\n<li>\u591a\u500b\u8cc7\u6599\u4e2d\u5fc3<\/li>\n<\/ul>\n\n\n\n<p>\u7ba1\u7406\u54e1\u9700\u8981\u9010\u53f0\u767b\u5165\u8a2d\u5099\u9032\u884c\u8a2d\u5b9a\u3002<\/p>\n\n\n\n<p>\u800c\u5728 OpenFlow \u67b6\u69cb\u4e0b\uff1a<\/p>\n\n\n\n<p>\u6240\u6709\u7b56\u7565\u90fd\u7531 Controller \u7d71\u4e00\u7ba1\u7406\u3002<\/p>\n\n\n\n<p>Controller<br>\u2193<br>\u7d71\u4e00\u63a8\u9001\u8a2d\u5b9a<br>\u2193<br>\u6240\u6709\u4ea4\u63db\u5668\u540c\u6b65\u66f4\u65b0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u7db2\u8def\u81ea\u52d5\u5316<\/h2>\n\n\n\n<p>\u7576\u65b0\u8a2d\u5099\u63a5\u5165\u7db2\u8def\u6642\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8a2d\u5099\u4e0a\u7dda<br>   \u2193<br>Controller \u5075\u6e2c<br>   \u2193<br>\u81ea\u52d5\u4e0b\u767c\u5b89\u5168\u7b56\u7565<\/code><\/pre>\n\n\n\n<p>\u7121\u9700\u4eba\u5de5\u9010\u53f0\u8a2d\u5b9a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u6d41\u91cf\u5de5\u7a0b\uff08Traffic Engineering\uff09<\/h2>\n\n\n\n<p>Controller \u53ef\u4ee5\u6839\u64da\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7db2\u8def\u8ca0\u8f09<\/li>\n\n\n\n<li>\u983b\u5bec\u4f7f\u7528\u7387<\/li>\n\n\n\n<li>\u696d\u52d9\u91cd\u8981\u7a0b\u5ea6<\/li>\n<\/ul>\n\n\n\n<p>\u52d5\u614b\u8abf\u6574\u5c01\u5305\u8def\u5f91\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ERP \u7cfb\u7d71 \u2192 \u8def\u5f91 A<br>\u8996\u8a0a\u6703\u8b70 \u2192 \u8def\u5f91 B<br>\u5099\u4efd\u6d41\u91cf \u2192 \u8def\u5f91 C<\/code><\/pre>\n\n\n\n<p>\u6709\u6548\u63d0\u5347\u7db2\u8def\u6548\u7387\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u5fae\u5206\u6bb5\u5b89\u5168\u63a7\u5236\uff08Micro-Segmentation\uff09<\/h2>\n\n\n\n<p>\u73fe\u4ee3\u96f6\u4fe1\u4efb\u67b6\u69cb\uff08Zero Trust\uff09\u5927\u91cf\u63a1\u7528\u985e\u4f3c\u6982\u5ff5\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u8005\u53ea\u80fd\u5b58\u53d6\u7279\u5b9a\u61c9\u7528\u7a0b\u5f0f<\/li>\n\n\n\n<li>\u4f3a\u670d\u5668\u4e4b\u9593\u50c5\u5141\u8a31\u5fc5\u8981\u6d41\u91cf<\/li>\n\n\n\n<li>\u6771\u897f\u5411\u6d41\u91cf\uff08East-West Traffic\uff09\u53d7\u5230\u56b4\u683c\u63a7\u5236<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u67b6\u69cb\u7d44\u6210<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">SDN Controller<\/h2>\n\n\n\n<p>Controller \u662f\u6574\u500b SDN \u7db2\u8def\u7684\u5927\u8166\u3002<\/p>\n\n\n\n<p>\u8ca0\u8cac\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8def\u7531\u6c7a\u7b56<\/li>\n\n\n\n<li>\u6d41\u91cf\u63a7\u5236<\/li>\n\n\n\n<li>\u5b89\u5168\u7b56\u7565<\/li>\n\n\n\n<li>\u7db2\u8def\u76e3\u63a7<\/li>\n<\/ul>\n\n\n\n<p>\u5e38\u898b Controller \u5305\u62ec\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Controller<\/th><th>\u8aaa\u660e<\/th><\/tr><\/thead><tbody><tr><td>OpenDaylight<\/td><td>\u6700\u77e5\u540d\u958b\u6e90\u63a7\u5236\u5668\u4e4b\u4e00<\/td><\/tr><tr><td>ONOS<\/td><td>\u96fb\u4fe1\u7d1a SDN \u63a7\u5236\u5668<\/td><\/tr><tr><td>Floodlight<\/td><td>OpenFlow \u63a7\u5236\u5668<\/td><\/tr><tr><td>Ryu<\/td><td><a href=\"https:\/\/www.killtest.net\/PCAP\/PCAP-31-02.asp\">Python<\/a> \u958b\u767c\u7684 SDN \u5e73\u53f0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">OpenFlow Switch<\/h2>\n\n\n\n<p>OpenFlow Switch \u8ca0\u8cac\u8cc7\u6599\u8f49\u767c\u3002<\/p>\n\n\n\n<p>\u53ef\u5206\u70ba\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5be6\u9ad4\u4ea4\u63db\u5668<\/h3>\n\n\n\n<p>\u90e8\u5206\u5ee0\u5546\u8a2d\u5099\u652f\u63f4 OpenFlow\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cisco<\/li>\n\n\n\n<li>Juniper Networks<\/li>\n\n\n\n<li>HPE<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u865b\u64ec\u4ea4\u63db\u5668<\/h3>\n\n\n\n<p>\u6700\u8457\u540d\u7684\u662f\uff1a<\/p>\n\n\n\n<p>Open vSwitch\uff08OVS\uff09<\/p>\n\n\n\n<p>\u5ee3\u6cdb\u61c9\u7528\u65bc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>OpenStack<\/li>\n\n\n\n<li>KVM<\/li>\n\n\n\n<li>\u96f2\u7aef\u8cc7\u6599\u4e2d\u5fc3<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Secure Channel<\/h2>\n\n\n\n<p>Controller \u8207 Switch \u4e4b\u9593\u900f\u904e OpenFlow \u901a\u8a0a\u3002<\/p>\n\n\n\n<p>\u5e38\u7528\u9023\u63a5\u57e0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>TCP 6653<\/code><\/pre>\n\n\n\n<p>\u65e9\u671f\u7248\u672c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>TCP 6633<\/code><\/pre>\n\n\n\n<p>\u901a\u5e38\u642d\u914d TLS \u52a0\u5bc6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u7684\u6838\u5fc3\uff1aFlow Table<\/h1>\n\n\n\n<p>OpenFlow \u6700\u5927\u7279\u8272\u5c31\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u57fa\u65bc Flow\uff08\u6d41\uff09\u9032\u884c\u8f49\u767c\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u50b3\u7d71\u8a2d\u5099\u7684\u8f49\u767c\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u4ea4\u63db\u5668\u4f9d\u64da\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MAC Address Table<\/code><\/pre>\n\n\n\n<p>\u9032\u884c\u8f49\u767c\u3002<\/p>\n\n\n\n<p>\u8def\u7531\u5668\u4f9d\u64da\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Routing Table<\/code><\/pre>\n\n\n\n<p>\u9032\u884c\u8f49\u767c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">OpenFlow \u7684\u8f49\u767c\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u4f9d\u64da\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Flow Table<\/code><\/pre>\n\n\n\n<p>\u9032\u884c\u8655\u7406\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Flow Entry \u7d44\u6210<\/h2>\n\n\n\n<p>\u6bcf\u7b46\u6d41\u8868\uff08Flow Entry\uff09\u5305\u542b\u4e09\u500b\u90e8\u5206\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Match\uff08\u5339\u914d\u689d\u4ef6\uff09<\/h3>\n\n\n\n<p>\u5b9a\u7fa9\u7b26\u5408\u54ea\u4e9b\u6d41\u91cf\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f86\u6e90 IP<\/li>\n\n\n\n<li>\u76ee\u7684 IP<\/li>\n\n\n\n<li>TCP Port<\/li>\n\n\n\n<li>VLAN ID<\/li>\n\n\n\n<li>MAC Address<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Action\uff08\u52d5\u4f5c\uff09<\/h3>\n\n\n\n<p>\u7b26\u5408\u689d\u4ef6\u5f8c\u57f7\u884c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Forward\uff08\u8f49\u767c\uff09<\/li>\n\n\n\n<li>Drop\uff08\u4e1f\u68c4\uff09<\/li>\n\n\n\n<li>Modify\uff08\u4fee\u6539\u5c01\u5305\uff09<\/li>\n\n\n\n<li>Send to Controller<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Counter\uff08\u8a08\u6578\u5668\uff09<\/h3>\n\n\n\n<p>\u8a18\u9304\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c01\u5305\u6578\u91cf<\/li>\n\n\n\n<li>\u4f4d\u5143\u7d44\u6578\u91cf<\/li>\n\n\n\n<li>\u6d41\u8868\u5b58\u6d3b\u6642\u9593<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Flow Entry \u7bc4\u4f8b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>Match:<br>\u4f86\u6e90 IP = 10.1.1.10<br>\u76ee\u7684 IP = 10.2.2.20<br>TCP Port = 80<br><br>Action:<br>\u8f49\u767c\u5230 Port 3<\/code><\/pre>\n\n\n\n<p>\u4ee3\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>10.1.1.10 \u2192 10.2.2.20<br><br>\u6240\u6709 HTTP \u6d41\u91cf<br>\u9001\u5f80 Port 3<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u5de5\u4f5c\u6d41\u7a0b<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5c01\u5305\u9032\u5165\u4ea4\u63db\u5668<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>PC1 \u2192 PC2<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u67e5\u8a62 Flow Table<\/h2>\n\n\n\n<p>\u4ea4\u63db\u5668\u641c\u5c0b\u662f\u5426\u6709\u7b26\u5408\u7684\u898f\u5247\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u547d\u4e2d\uff08Flow Hit\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\u627e\u5230\u898f\u5247<br>    \u2193<br>\u76f4\u63a5\u8f49\u767c<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u672a\u547d\u4e2d\uff08Flow Miss\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\u627e\u4e0d\u5230\u898f\u5247<br>     \u2193<br>Packet-In<br>     \u2193<br>\u9001\u81f3 Controller<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1aController \u5206\u6790<\/h2>\n\n\n\n<p>Controller \u6839\u64da\u7b56\u7565\u5224\u65b7\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u662f\u5426\u5141\u8a31\u901a\u884c<\/li>\n\n\n\n<li>\u61c9\u8a72\u8d70\u54ea\u689d\u8def\u5f91<\/li>\n\n\n\n<li>\u662f\u5426\u5957\u7528 QoS<\/li>\n\n\n\n<li>\u662f\u5426\u9032\u884c\u8ca0\u8f09\u5e73\u8861<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u56db\u6b65\uff1a\u4e0b\u767c Flow Rule<\/h2>\n\n\n\n<p>Controller \u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Flow-Mod<\/code><\/pre>\n\n\n\n<p>\u8a0a\u606f\u4e0b\u767c\u898f\u5247\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e94\u6b65\uff1a\u4ea4\u63db\u5668\u5b89\u88dd\u6d41\u8868<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>Flow Entry \u5b89\u88dd\u5b8c\u6210<br>      \u2193<br>\u5f8c\u7e8c\u6d41\u91cf\u76f4\u63a5\u8f49\u767c<\/code><\/pre>\n\n\n\n<p>\u7121\u9700\u518d\u6b21\u8a62\u554f Controller\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u5e38\u898b\u8a0a\u606f\u985e\u578b<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Controller \u2192 Switch<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Flow-Mod<\/h3>\n\n\n\n<p>\u65b0\u589e\u3001\u4fee\u6539\u6216\u522a\u9664\u6d41\u8868\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Add<br>Modify<br>Delete<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Packet-Out<\/h3>\n\n\n\n<p>\u8981\u6c42\u4ea4\u63db\u5668\u767c\u9001\u5c01\u5305\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Port-Mod<\/h3>\n\n\n\n<p>\u4fee\u6539\u4ecb\u9762\u8a2d\u5b9a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Switch \u2192 Controller<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Packet-In<\/h3>\n\n\n\n<p>\u7576\u5c01\u5305\u4e0d\u7b26\u5408\u4efb\u4f55\u898f\u5247\u6642\u56de\u5831 Controller\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Flow-Removed<\/h3>\n\n\n\n<p>\u901a\u77e5\u6d41\u8868\u5df2\u522a\u9664\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Port-Status<\/h3>\n\n\n\n<p>\u901a\u77e5\u4ecb\u9762\u72c0\u614b\u6539\u8b8a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u96d9\u5411\u8a0a\u606f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Hello<\/h3>\n\n\n\n<p>\u5efa\u7acb\u9023\u7dda\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Echo Request<\/h3>\n\n\n\n<p>\u5fc3\u8df3\u6aa2\u6e2c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Echo Reply<\/h3>\n\n\n\n<p>\u56de\u8986\u5fc3\u8df3\u8a0a\u606f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u7248\u672c\u6f14\u9032<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7248\u672c<\/th><th>\u4e3b\u8981\u7279\u6027<\/th><\/tr><\/thead><tbody><tr><td>1.0<\/td><td>\u7b2c\u4e00\u500b\u5ee3\u6cdb\u90e8\u7f72\u7248\u672c<\/td><\/tr><tr><td>1.1<\/td><td>\u652f\u63f4\u591a\u6d41\u8868<\/td><\/tr><tr><td>1.2<\/td><td>\u5f37\u5316 IPv6 \u652f\u63f4<\/td><\/tr><tr><td>1.3<\/td><td>\u4f01\u696d\u74b0\u5883\u6700\u5e38\u898b<\/td><\/tr><tr><td>1.4<\/td><td>Meter \u529f\u80fd\u589e\u5f37<\/td><\/tr><tr><td>1.5<\/td><td>\u66f4\u591a\u64f4\u5145\u80fd\u529b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8a8d\u8b49\u8003\u8a66\u91cd\u9ede<\/h2>\n\n\n\n<p>\u76ee\u524d\u5404\u5927\u8a8d\u8b49\u8003\u8a66\u6700\u5e38\u51fa\u73fe\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>OpenFlow 1.3<\/code><\/pre>\n\n\n\n<p>\u56e0\u70ba\u8a31\u591a\u4f01\u696d\u7d1a SDN \u89e3\u6c7a\u65b9\u6848\u4ecd\u4ee5\u6b64\u7248\u672c\u70ba\u57fa\u790e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u7684\u512a\u52e2<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u96c6\u4e2d\u5316\u7ba1\u7406<\/h2>\n\n\n\n<p>\u6240\u6709\u7b56\u7565\u7d71\u4e00\u63a7\u5236\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u81ea\u52d5\u5316\u80fd\u529b\u5f37<\/h2>\n\n\n\n<p>\u53ef\u900f\u904e API \u63a7\u5236\u6574\u500b\u7db2\u8def\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5feb\u901f\u90e8\u7f72<\/h2>\n\n\n\n<p>\u65b0\u670d\u52d9\u4e0a\u7dda\u6642\u9593\u5927\u5e45\u7e2e\u77ed\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7db2\u8def\u53ef\u7a0b\u5f0f\u5316<\/h2>\n\n\n\n<p>\u652f\u63f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Python<\/li>\n\n\n\n<li>REST API<\/li>\n\n\n\n<li>\u81ea\u52d5\u5316\u8173\u672c<\/li>\n<\/ul>\n\n\n\n<p>\u5be6\u73fe NetDevOps \u8207 AIOps\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u7684\u7f3a\u9ede<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Controller \u53ef\u80fd\u6210\u70ba\u55ae\u9ede\u6545\u969c<\/h2>\n\n\n\n<p>\u82e5\u53ea\u6709\u55ae\u4e00 Controller\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Controller \u6545\u969c<br>      \u2193<br>\u63a7\u5236\u80fd\u529b\u53d7\u5f71\u97ff<\/code><\/pre>\n\n\n\n<p>\u56e0\u6b64\u4f01\u696d\u901a\u5e38\u63a1\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Controller Cluster<\/code><\/pre>\n\n\n\n<p>\u63d0\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b78\u7fd2\u9580\u6abb\u8f03\u9ad8<\/h2>\n\n\n\n<p>\u9700\u8981\u540c\u6642\u7406\u89e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7db2\u8def\u6280\u8853<\/li>\n\n\n\n<li>Linux<\/li>\n\n\n\n<li>\u7a0b\u5f0f\u958b\u767c<\/li>\n\n\n\n<li>\u81ea\u52d5\u5316\u5de5\u5177<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7522\u696d\u63a1\u7528\u65b9\u5411\u6539\u8b8a<\/h2>\n\n\n\n<p>\u8fd1\u5e74\u4f86\u8a31\u591a\u5ee0\u5546\u9010\u6f38\u8f49\u5411\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Intent-Based Networking\uff08IBN\uff09<\/li>\n\n\n\n<li>API-Driven Networking<\/li>\n\n\n\n<li>EVPN\/VXLAN Fabric<\/li>\n\n\n\n<li>\u96f2\u7aef\u539f\u751f\u7db2\u8def<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u6b64 OpenFlow \u5df2\u4e0d\u518d\u662f\u552f\u4e00\u4e3b\u6d41\u65b9\u6848\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OpenFlow \u8207\u50b3\u7d71\u7db2\u8def\u6bd4\u8f03<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u50b3\u7d71\u7db2\u8def<\/th><th>OpenFlow<\/th><\/tr><\/thead><tbody><tr><td>\u63a7\u5236\u5e73\u9762<\/td><td>\u5206\u6563\u5f0f<\/td><td>\u96c6\u4e2d\u5f0f<\/td><\/tr><tr><td>\u8f49\u767c\u6c7a\u7b56<\/td><td>\u672c\u5730\u8a2d\u5099<\/td><td>Controller<\/td><\/tr><tr><td>\u8a2d\u5b9a\u65b9\u5f0f<\/td><td>CLI<\/td><td>API<\/td><\/tr><tr><td>\u81ea\u52d5\u5316\u80fd\u529b<\/td><td>\u8f03\u4f4e<\/td><td>\u8f03\u9ad8<\/td><\/tr><tr><td>\u53ef\u7a0b\u5f0f\u5316<\/td><td>\u56f0\u96e3<\/td><td>\u5bb9\u6613<\/td><\/tr><tr><td>\u64f4\u5145\u6027<\/td><td>\u4e00\u822c<\/td><td>\u512a\u79c0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\u7d50\u8a9e<\/h1>\n\n\n\n<p>OpenFlow \u662f SDN \u767c\u5c55\u6b77\u53f2\u4e0a\u6700\u91cd\u8981\u7684\u6280\u8853\u4e4b\u4e00\uff0c\u5176\u6700\u5927\u7684\u50f9\u503c\u4e0d\u50c5\u5728\u65bc\u5354\u5b9a\u672c\u8eab\uff0c\u66f4\u5728\u65bc\u5b83\u63d0\u51fa\u4e86\u300c\u63a7\u5236\u5e73\u9762\u8207\u8cc7\u6599\u5e73\u9762\u5206\u96e2\u300d\u7684\u9769\u547d\u6027\u6982\u5ff5\u3002<\/p>\n\n\n\n<p>\u96d6\u7136\u73fe\u4eca\u8cc7\u6599\u4e2d\u5fc3\u8207\u4f01\u696d\u7db2\u8def\u66f4\u591a\u63a1\u7528 EVPN\/VXLAN\u3001\u96f2\u7aef\u7db2\u8def\u8207 API \u81ea\u52d5\u5316\u67b6\u69cb\uff0c\u4f46 OpenFlow \u6240\u5960\u5b9a\u7684\u8a2d\u8a08\u601d\u60f3\u4ecd\u6df1\u6df1\u5f71\u97ff\u8457\u73fe\u4ee3\u7db2\u8def\u6280\u8853\u7684\u767c\u5c55\u3002<\/p>\n\n\n\n<p>\u5c0d\u65bc\u6b63\u5728\u5b78\u7fd2\u7db2\u8def\u81ea\u52d5\u5316\u3001\u96f2\u7aef\u7db2\u8def\u3001SDN \u6216\u6e96\u5099 HCIE\u3001CCIE\u3001NSE\u3001PCNSA \u7b49\u9ad8\u968e\u8a8d\u8b49\u7684\u5de5\u7a0b\u5e2b\u800c\u8a00\uff0c\u7406\u89e3 OpenFlow \u4e0d\u50c5\u6709\u52a9\u65bc\u8003\u8a66\uff0c\u66f4\u80fd\u5e6b\u52a9\u5efa\u7acb\u73fe\u4ee3\u7db2\u8def\u67b6\u69cb\u7684\u5b8c\u6574\u89c0\u5ff5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u91cd\u9ede\u6574\u7406\uff08\u8003\u524d\u5fc5\u80cc\uff09<\/h2>\n\n\n\n<p>\u2705 OpenFlow \u662f SDN \u6700\u5177\u4ee3\u8868\u6027\u7684\u5357\u5411\u5354\u5b9a<\/p>\n\n\n\n<p>\u2705 \u5c07 Control Plane \u8207 Data Plane \u5206\u96e2<\/p>\n\n\n\n<p>\u2705 Controller \u8ca0\u8cac\u6c7a\u7b56\uff0cSwitch \u8ca0\u8cac\u8f49\u767c<\/p>\n\n\n\n<p>\u2705 Flow Table \u662f OpenFlow \u7684\u6838\u5fc3<\/p>\n\n\n\n<p>\u2705 \u4e09\u5927 Flow Entry \u5143\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Match<\/li>\n\n\n\n<li>Action<\/li>\n\n\n\n<li>Counter<\/li>\n<\/ul>\n\n\n\n<p>\u2705 \u91cd\u8981\u8a0a\u606f\u985e\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Packet-In<\/li>\n\n\n\n<li>Packet-Out<\/li>\n\n\n\n<li>Flow-Mod<\/li>\n\n\n\n<li>Flow-Removed<\/li>\n<\/ul>\n\n\n\n<p>\u2705 OpenFlow 1.3 \u662f\u6700\u5e38\u898b\u8003\u8a66\u7248\u672c<\/p>\n\n\n\n<p>\u2705 OpenFlow \u662f\u7406\u89e3 SDN\u3001\u7db2\u8def\u81ea\u52d5\u5316\u8207\u73fe\u4ee3\u8cc7\u6599\u4e2d\u5fc3\u7db2\u8def\u7684\u91cd\u8981\u57fa\u790e\u6280\u8853\u4e4b\u4e00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u96a8\u8457\u96f2\u7aef\u904b\u7b97\u3001\u8cc7\u6599\u4e2d\u5fc3\u8207\u7db2\u8def\u81ea\u52d5\u5316\u7684\u5feb\u901f\u767c\u5c55\uff0c\u50b3\u7d71\u7db2\u8def\u67b6\u69cb\u9010\u6f38\u9762\u81e8\u7ba1\u7406\u8907\u96dc\u3001\u64f4\u5c55\u56f0\u96e3\u4ee5\u53ca\u81ea\u52d5\u5316\u80fd\u529b\u4e0d\u8db3\u7b49 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6514","post","type-post","status-publish","format-standard","hentry","category-killtest"],"_links":{"self":[{"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/posts\/6514","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/comments?post=6514"}],"version-history":[{"count":1,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/posts\/6514\/revisions"}],"predecessor-version":[{"id":6515,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/posts\/6514\/revisions\/6515"}],"wp:attachment":[{"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/media?parent=6514"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/categories?post=6514"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.killtest.hk\/index.php\/wp-json\/wp\/v2\/tags?post=6514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}