{"id":5994,"date":"2024-01-05T14:14:19","date_gmt":"2024-01-05T06:14:19","guid":{"rendered":"http:\/\/www.killtest.hk\/?p=5994"},"modified":"2024-01-05T14:14:19","modified_gmt":"2024-01-05T06:14:19","slug":"%e5%a4%a7%e5%9e%8b%e8%b3%87%e6%96%99%e4%b8%ad%e5%bf%83%e9%9b%b2%e7%ab%af%e5%b9%b3%e5%8f%b0%e7%b6%b2%e8%b7%af%e7%9f%a5%e8%ad%98%e8%88%87%e5%af%a6%e8%b8%90","status":"publish","type":"post","link":"https:\/\/www.killtest.hk\/index.php\/killtest\/%e5%a4%a7%e5%9e%8b%e8%b3%87%e6%96%99%e4%b8%ad%e5%bf%83%e9%9b%b2%e7%ab%af%e5%b9%b3%e5%8f%b0%e7%b6%b2%e8%b7%af%e7%9f%a5%e8%ad%98%e8%88%87%e5%af%a6%e8%b8%90\/","title":{"rendered":"\u5927\u578b\u8cc7\u6599\u4e2d\u5fc3\u96f2\u7aef\u5e73\u53f0\u7db2\u8def\u77e5\u8b58\u8207\u5be6\u8e10"},"content":{"rendered":"<p>\u53f6\u4e00\u529b twt\u4f01\u4e1aIT\u793e\u533a<br 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\u4e59\u592a\u7db2\u8def\uff08LAN\uff09\u8207\u5149\u7e96\u5132\u5b58\u5340\u57df\u7db2\u8def\uff08SAN\uff09\u7684\u878d\u5408\u4e5f\u8d8a\u4f86\u8d8a\u5e38\u898b\uff0c\u9019\u5fc5\u7136\u8981\u6c42\u4e00\u7a2e\u65b0\u7684\u7db2\u8def\u62d3\u64b2\u7d50\u69cb\u8207\u4e4b\u76f8\u5c0d\u61c9\u3002 \u5728\u96f2\u7aef\u904b\u7b97\u7684\u5927\u6f6e\u4e0b\uff0c\u9019\u7a2e\u5206\u6563\u5f0f\u67b6\u69cb\u7684\u696d\u52d9\u64f4\u5c55\u6027\u6975\u5f37\uff0c\u8981\u6c42\u7684\u4f3a\u670d\u5668\u6578\u91cf\u4e5f\u8d8a\u4f86\u8d8a\u591a\u3002 \u4f8b\u5982\u65b0\u7684Apache Hadoop 0.23\u652f\u63f46000~10000\u53f0\u4f3a\u670d\u5668\u5728\u4e00\u500b\u53e2\u96c6\u5167\uff0c\u6d77\u91cf\u7684\u4f3a\u670d\u5668\u6578\u91cf\u8981\u6c42\u5145\u5206\u5229\u7528\u8cc7\u6599\u4e2d\u5fc3\u6a5f\u6ac3\u7a7a\u9593\u7684\u540c\u6642\uff0c\u6d77\u91cf\u7684\u696d\u52d9\u8cc7\u6599\u4e5f\u9700\u8981\u66f4\u5feb\u66f4\u76f4\u63a5\u7684\u9ad8\u6548\u80fd\u9023\u7d50\u628a\u8cc7\u6599\u50b3\u9001\u5230 \u7db2\u8def\u6838\u5fc3\u3002 \u5728\u9019\u6a23\u7684\u8da8\u52e2\u4e0b\uff0c\u986f\u7136ToR\u66f4\u52a0\u9069\u7528\uff0c\u5728\u696d\u52d9\u8fc5\u901f\u64f4\u5c55\u7684\u58d3\u529b\u4e0b\uff0cToR\u7684\u65b9\u5f0f\u53ef\u4ee5\u66f4\u597d\u7684\u5be6\u73fe\u7db2\u7d61\u7684\u66f4\u5feb\u901f\u64f4\u5c55\u3002<\/p>\n<p>\u4e00 . SDN<br \/>\n\u5728SDN\u89e3\u6c7a\u65b9\u6848\u4e2doverlay\u8207underlay\u662f\u6700\u5e38\u898b\u7684\u4e8c\u500b\u7db2\u8def\u8853\u8a9e\u3002<\/p>\n<p>UnderLay\u6307\u7684\u662f\u5be6\u9ad4\u7db2\u7d61\uff0c\u5b83\u7531\u5be6\u9ad4\u8a2d\u5099\u548c\u5be6\u9ad4\u9023\u7d50\u7d44\u6210\u3002 \u5e38\u898b\u7684\u5be6\u9ad4\u8a2d\u5099\u6709\u4ea4\u63db\u5668\u3001\u8def\u7531\u5668\u3001\u9632\u706b\u7246\u3001\u8ca0\u8f09\u5e73\u8861\u3001\u5165\u4fb5\u5075\u6e2c\u3001\u884c\u70ba\u7ba1\u7406\u7b49\uff0c\u9019\u4e9b\u8a2d\u5099\u900f\u904e\u7279\u5b9a\u7684\u9023\u7d50\u9023\u63a5\u8d77\u4f86\u5f62\u6210\u4e86\u4e00\u500b\u50b3\u7d71\u7684\u5be6\u9ad4\u7db2\u7d61\uff0c\u9019\u6a23\u7684\u5be6\u9ad4\u7db2\u7d61\uff0c\u6211\u5011\u7a31\u4e4b\u70baUnderLay\u7db2\u8def\u3002<\/p>\n<p>\u5be6\u4f5c SDN\u7684\u6280\u8853\u4e3b\u8981\u6709 overlay \uff0c OpenFlow \uff0c\u548c\u601d\u79d1\u7684 onePK \u3002 Overlay\u5df2\u6210\u4e3b\u6d41\uff0c\u8a72\u985e\u65b9\u6848\u4e3b\u8981\u601d\u60f3\u53ef\u88ab\u6b78\u7d0d\u70ba\u89e3\u8026\uff0c\u7368\u7acb\uff0c\u63a7\u5236\u4e09\u500b\u9762\u5411\u3002<\/p>\n<p>OverLay\u5176\u5be6\u5c31\u662f\u4e00\u7a2e\u96a7\u9053\u6280\u8853 \uff0cVXLAN\uff0cNVGRE\u53caSTT (\u90fd\u662fOverLay\u5be6\u73fe\u65b9\u5f0f\u4e4b\u4e00) \u662f\u5178\u578b\u7684\u4e09\u7a2e\u96a7\u9053\u6280\u8853\uff0c \u5b83\u5011\u90fd\u662f\u900f\u904e\u96a7\u9053\u6280\u8853\u5be6\u73fe\u5927\u4e8c\u5c64\u7db2\u8def\u3002 \u5c07\u539f\u751f\u614b\u7684\u4e8c\u5c64\u8cc7\u6599\u5e40\u5831\u6587\u9032\u884c\u5c01\u88dd\u5f8c\u518d\u900f\u904e\u96a7\u9053\u9032\u884c\u50b3\u8f38\u3002 \u7e3d\u4e4b\uff0c\u900f\u904eOverLay\u6280\u8853\uff0c\u6211\u5011\u5728\u5c0d\u5be6\u9ad4\u7db2\u8def\u4e0d\u505a\u4efb\u4f55\u6539\u9020\u7684\u60c5\u6cc1\u4e0b\uff0c\u900f\u904e\u96a7\u9053\u6280\u8853\u5728\u73fe\u6709\u7684\u5be6\u9ad4\u7db2\u8def\u4e0a\u5275\u5efa\u4e86\u4e00\u500b\u6216\u591a\u500b\u908f\u8f2f\u7db2\u8def\u5373\u865b\u64ec\u7db2\u7d61\uff0c\u6709\u6548\u89e3\u6c7a\u4e86\u5be6\u9ad4\u8cc7\u6599\u4e2d\u5fc3\uff0c\u5c24\u5176\u662f \u96f2\u7aef\u8cc7\u6599\u4e2d\u5fc3\u5b58\u5728\u7684\u8af8\u591a\u554f\u984c\uff0c\u5be6\u73fe\u4e86\u8cc7\u6599\u4e2d\u5fc3\u7684\u81ea\u52d5\u5316\u548c\u667a\u6167\u5316\u3002<\/p>\n<p>\u8207UnderLay\u7db2\u8def\u76f8\u6bd4\uff0cOverLay\u5be6\u73fe\u4e86\u63a7\u5236\u8207\u8f49\u767c\u7684\u5206\u96e2\uff0c\u9019\u662fSDN\u7684\u6838\u5fc3\u7406\u5ff5 \u3002<\/p>\n<p>Overlay \u6280\u8853\u8207 SDN \u53ef\u4ee5\u8aaa\u5929\u751f\u5c31\u662f\u9069\u5408\u4e92\u76f8\u7d50\u5408\u7684\u6280\u8853\u7d44\u5408\u3002 Overlay \u7db2\u8def\u865b\u64ec\u6a5f\u5668\u5be6\u9ad4\u4f4d\u7f6e\u7121\u95dc\u7279\u6027\u5c31\u9700\u8981\u6709\u4e00\u500b\u5f37\u800c\u6709\u529b\u7684\u96c6\u4e2d\u63a7\u5236\u6280\u8853\u9032\u884c\u865b\u64ec\u6a5f\u5668\u7684\u7ba1\u7406\u8207\u63a7\u5236\u3002 \u800c SDN \u6280\u8853\u6070\u597d\u53ef\u4ee5\u5b8c\u7f8e\u7684\u505a\u5230\u9019\u4e00\u9ede\u3002<\/p>\n<p>\u4e8c . OverLay \u89e3\u6c7a\u54ea\u4e9b\u75db\u9ede<br \/>\nOverlay\u7531\u65bc\u5176\u7c21\u55ae\u3001\u4e00\u81f4\u7684\u89e3\u6c7a\u554f\u984c\u65b9\u6cd5\uff0c\u52a0\u4e0a\u91cd\u65b0\u5b9a\u7fa9\u7684\u7db2\u8def\u53ef\u4ee5\u9032\u884c\u8edf\u9ad4\u5b9a\u7fa9\uff0c\u5df2\u6210\u70ba\u8cc7\u6599\u4e2d\u5fc3\u7db2\u8def\u6700\u7099\u624b\u53ef\u71b1\u7684\u6280\u8853\u65b9\u6848\u3002 \u7136\u800c\uff0c\u5b83\u4e26\u4e0d\u662f\u5b8c\u5168\u7531\u8edf\u9ad4\u5b9a\u7fa9\u7684\u7db2\u7d61\uff0cOverlay\u7db2\u7d61\u89e3\u6c7a\u65b9\u6848\u5fc5\u5b9a\u662f\u4e00\u7a2e\u8edf\u786c\u7d50\u5408\u7684\u65b9\u6848\uff0c\u7121\u8ad6\u662f\u5f9e\u63a5\u5165\u5c64VTEP\u6df7\u5408\u7d44\u7db2\u7684\u7d44\u7db2\u8981\u6c42\u3001\u7d44\u64ad\u6216SDN\u63a7\u5236\u5c64\u5354\u8b70 \u7684\u652f\u6301\uff0c\u9084\u662fVXLAN\u7db2\u8def\u8207\u50b3\u7d71\u7db2\u8def\u7684\u4e92\u901a\u4f86\u770b\uff0c\u90fd\u9700\u8981\u786c\u9ad4\u7684\u7a4d\u6975\u914d\u5408\u8207\u53c3\u8207\uff0c\u5fc5\u9808\u5efa\u69cb\u5728\u5805\u5be6\u4e14\u5148\u9032\u7684\u5be6\u9ad4\u7db2\u8def\u67b6\u69cb\u57fa\u790e\u4e0a\u3002<\/p>\n<p>\u8003\u616e\u5230\u4f3a\u670d\u5668\u5b58\u53d6\u7684\u53ef\u4ee5\u662f\u865b\u64ec\u4ea4\u63db\u6a5f\uff0c\u4e5f\u53ef\u4ee5\u662f\u5be6\u9ad4\u4ea4\u63db\u6a5f\uff0c\u56e0\u6b64\u6709\u4e09\u7a2e\u4e0d\u540c\u7684\u5efa\u7f6e\u6a21\u5f0f\uff1a<\/p>\n<p>2.1 OverLay\u7c7b\u578b<br \/>\n<a href=\"http:\/\/www.killtest.hk\/index.php\/killtest\/%e5%a4%a7%e5%9e%8b%e8%b3%87%e6%96%99%e4%b8%ad%e5%bf%83%e9%9b%b2%e7%ab%af%e5%b9%b3%e5%8f%b0%e7%b6%b2%e8%b7%af%e7%9f%a5%e8%ad%98%e8%88%87%e5%af%a6%e8%b8%90\/attachment\/%e5%be%ae%e4%bf%a1%e5%9b%be%e7%89%87_20240105140907\/\" rel=\"attachment wp-att-5995\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907.png\" alt=\"\" width=\"1080\" height=\"513\" class=\"alignleft size-full wp-image-5995\" srcset=\"https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907.png 1080w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-300x143.png 300w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-768x365.png 768w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1024x486.png 1024w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/a><br \/>\n2.2 Overlay \u7f51\u7edc\u4e3b\u8981\u89e3\u51b3\u7684\u95ee\u9898<br \/>\n<a href=\"http:\/\/www.killtest.hk\/index.php\/killtest\/%e5%a4%a7%e5%9e%8b%e8%b3%87%e6%96%99%e4%b8%ad%e5%bf%83%e9%9b%b2%e7%ab%af%e5%b9%b3%e5%8f%b0%e7%b6%b2%e8%b7%af%e7%9f%a5%e8%ad%98%e8%88%87%e5%af%a6%e8%b8%90\/attachment\/%e5%be%ae%e4%bf%a1%e5%9b%be%e7%89%87_20240105140907-2\/\" rel=\"attachment wp-att-5996\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1.png\" alt=\"\" width=\"1080\" height=\"513\" class=\"alignleft size-full wp-image-5996\" srcset=\"https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1.png 1080w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1-300x143.png 300w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1-768x365.png 768w, https:\/\/www.killtest.hk\/wp-content\/uploads\/2024\/01\/\u5fae\u4fe1\u56fe\u7247_20240105140907-1-1024x486.png 1024w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/a><br \/>\n\u4e09 . \u70ba\u4ec0\u9ebc\u9700\u8981 Vxlan<br \/>\n\u5728\u96f2\u7aef\u904b\u7b97IDC\u88e1\uff0c\u8981\u6c42\u4f3a\u670d\u5668\u505a\u5230\u865b\u64ec\u5316\uff0c\u539f\u4f86\u9019\u500b\u4f3a\u670d\u5668\u639b\u5728TOR A\u4e0a\uff0c\u6211\u53ef\u4ee5\u96a8\u610f\u628a\u5b83\u9077\u79fb\u5230TOR B\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u6539\u8b8aIP\u4f4d\u5740\uff0c\u9019\u500b\u512a\u9ede\u5c31\u662fL2\u7db2\u8def\u7684\u7279\u9577\uff0c\u56e0\u70ba \u6211\u9019\u500b\u865b\u64ec\u4f3a\u670d\u5668\u548c\u5916\u754c\uff08\u7db2\u95dc\u4e4b\u5916\uff09\u901a\u8a0a\u9084\u9760L3\uff0c\u4f46\u662f\u6211\u7db2\u95dc\u5167\u90e8\u4e92\u8a2a\u662f\u8d70L2\u7684\uff0c\u9019\u500b\u5728L3\u88e1\u662f\u7121\u6cd5\u505a\u5230\u7684\u3002 \u56e0\u70baL3\u88e1\u6bcf\u500bIP\u90fd\u662f\u552f\u4e00\u7684\uff0c\u4f4d\u5740\u4e5f\u662f\u56fa\u5b9a\u4f4d\u7f6e\u7684\uff0c\u9664\u975e\u4f60\u6574\u7db2\u6bb5\u7269\u7406\u642c\u9077\u3002 \u56e0\u6b64\u5982\u4f55\u5728L3\u7db2\u8def\u88e1\u50b3\u8f38L2\u8cc7\u6599\u5462\uff0c\u9019\u5c31\u662foverlay\u6280\u8853\u3002<\/p>\n<p>\u56e0\u6b64VXLAN\uff08Virtual eXtensible LAN\u53ef\u64f4\u5145\u865b\u64ec\u5340\u57df\u7db2\u8def\uff09\u8a95\u751f\u4e86\uff0c\u57fa\u65bcIP\u7db2\u8def\u4e4b\u4e0a\uff0c\u63a1\u7528\u7684\u662fMAC in UDP\u6280\u8853\uff0c\u539f\u672cOSI7\u5c64\u6a21\u578b\u88e1\u5c31\u662f\u4e00\u5c64\u758a\u4e00\u5c64\u7684\uff0c\u9019\u7a2e\u548cGRE\/IPSEC\u7b49tunnel\u6280\u8853\u662f \u4e0d\u662f\u5f88\u50cf\uff0c\u9019\u7a2e\u5c01\u88dd\u6280\u8853\u5c0d\u4e2d\u9593\u7db2\u8def\u6c92\u6709\u7279\u6b8a\u8981\u6c42\uff0c\u53ea\u8981\u80fd\u8fa8\u8b58IP\u5c01\u5305\u5373\u53ef\u50b3\u9001\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u89e3\u91cb\u6e05\u695a\u4e86\uff0c\u90a3\u9ebc\u73fe\u5728\u7e3d\u7d50\u70ba\u4f55\u9700\u8981Vxlan\uff1a<\/p>\n<p>\u865b\u64ec\u6a5f\u5668\u898f\u6a21\u53d7\u5230\u7db2\u8def\u898f\u683c\u7684\u9650\u5236\uff0c\u5927L2\u7db2\u8def\u88e1\uff0c\u5c01\u5305\u900f\u904e\u67e5\u8a62MAC\u4f4d\u5740\u8f49\u767c\uff0c MAC\u8868\u5bb9\u91cf\u9650\u5236\u4e86\u865b\u64ec\u6a5f\u5668\u7684\u6578\u91cf\u3002<\/p>\n<p>\u7db2\u8def\u9694\u96e2\u7684\u9650\u5236\uff0c\u666e\u901a\u7684vlan\u548cVPN\u914d\u7f6e\u7121\u6cd5\u6eff\u8db3\u52d5\u614b\u7db2\u8def\u8abf\u6574\u7684\u9700\u6c42\uff0c\u540c\u6642\u914d\u7f6e\u8907\u96dc<\/p>\n<p>\u865b\u64ec\u5668\u642c\u9077\u53d7\u5230\u9650\u5236\uff0c\u865b\u64ec\u6a5f\u555f\u52d5\u5f8c\u5047\u5982\u5728\u696d\u52d9\u4e0d\u4e2d\u65b7\u57fa\u790e\u4e0a\u5c07\u8a72\u865b\u64ec\u6a5f\u9077\u79fb\u5230\u53e6\u5916\u4e00\u53f0\u5be6\u9ad4\u6a5f\u4e0a\u53bb\uff0c\u9700\u8981\u4fdd\u6301\u865b\u64ec\u6a5f\u7684IP\u4f4d\u5740\u548cMAC\u4f4d\u5740\u7b49\u53c3\u6578\u4fdd\u6301\u4e0d\u8b8a\uff0c\u9019\u5c31\u8981\u6c42\u696d\u52d9 \u7db2\u8def\u662f\u4e00\u500b\u4e8c\u5c64\u7684\u7db2\u8def\u3002<\/p>\n<p>3.1 \u5831\u6587\u7684\u5c01\u88dd\u8207\u89e3\u5c01\u88dd<br \/>\nVXLAN\u7684\u6838\u5fc3\u5728\u65bc\u627f\u8f09\u65bc\u5be6\u9ad4\u7db2\u8def\u4e0a\u7684\u96a7\u9053\u6280\u8853\uff0c\u9019\u610f\u5473\u8457\u8981\u5c0d\u5c01\u5305\u9032\u884c\u5c01\u88dd\u548c\u89e3\u5c01\u88dd\uff0c\u56e0\u6b64\u9700\u8981\u786c\u9ad4\u4f86\u52a0\u901f\u8655\u7406\u3002<\/p>\n<p>\u5728VXLAN\u7db2\u8def\u4e2d\uff0c\u7528\u65bc\u5efa\u7acbVXLAN\u96a7\u9053\u7684\u7aef\u9ede\u8a2d\u5099\u7a31\u70baVTEP\uff08VXLAN Tunneling End Point\uff0cVXLAN\u96a7\u9053\u7d42\u7d50\u9ede \uff0c\u8d77\u5230\u7db2\u95dc\u7684\u4f5c\u7528 \uff09\uff0c \u5c01\u88dd\u548c\u89e3\u5c01\u88dd\u5728VTEP\u7bc0\u9ede\u4e0a\u9032\u884c \u3002<\/p>\n<p>\u5728\u96f2\u7aef\u8cc7\u6599\u4e2d\u5fc3\uff0c\u90e8\u5206\u696d\u52d9\u662f\u4e0d\u9069\u5408\u9032\u884c\u865b\u64ec\u5316\u7684\uff08\u5982\u5c0f\u6a5f\u4f3a\u670d\u5668\uff0c\u9ad8\u6548\u80fd\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\uff09\uff0c\u9019\u4e9b\u4f3a\u670d\u5668\u6703\u76f4\u63a5\u8207\u5be6\u9ad4\u4ea4\u63db\u5668\u4e92\u806f\uff0c \u800c\u4ed6\u5011\u53c8\u5fc5\u9808\u8207\u5c0d\u61c9\u79df\u7528\u6236\/\u696d\u52d9\u7684VXLAN\u7db2\u8def\u4e92\u901a\uff0c\u6b64 \u6642\u5fc5\u9808\u8981\u6c42\u8207\u5176\u4e92\u806f\u7684\u786c\u9ad4\u4ea4\u63db\u5668\u4e5f\u80fd\u652f\u63f4VXLAN\u5354\u8b70\uff0c\u4ee5\u63a5\u53d6VXLAN\u7db2\u8def\u3002<\/p>\n<p>3.2 \u7d44\u64ad\u5354\u5b9a\u50b3\u64ad<br \/>\n\u7c21\u55ae\u7e3d\u7d50\uff0cvxlan\u7528\u7d44\u64ad\u5354\u5b9a\u50b3\u64ad\uff0c\u6bcf\u500bVTEP\u90fd\u9700\u8981\u6e05\u695a\u4f86\u6e90\u548c\u76ee\u7684MAC\uff0c\u65b0\u589eMAC\u4f4d\u5740\u9700\u8981\u7d44\u64ad\u901a\u77e5\u4e00\u5be6\u4f8b\u4e0b\u6240\u6709VTEP\u3002 \u53e6\uff0c\u672c\u5730VTEP \u627e\u4e0d\u5230\u76ee\u7684MAC\u8655\u65bc\u54ea\u4e00\u500b\u9060\u7aefVTEP\u6642\uff0c\u4e5f\u9700\u8981\u7d44\u64ad\u5c01\u5305\u67e5\u627e\u76ee\u7684MAC\u4e3b\u6a5f\u6240\u5c6c\u9060\u7aefVTEP\u3002 \u79df\u6236\u5f88\u591a\u6642\uff0c\u7d44\u64ad\u689d\u6578\u6307\u6578\u589e\u52a0\uff0c\u5c0d\u5be6\u9ad4\u7db2\u8def\u627f\u8f09\u7d44\u64ad\u8655\u7406\u80fd\u529b\u6709\u8f03\u5927\u8981\u6c42\u3002 \u5f15\u5165SDN Controller\u4f86\u5be6\u73feVXLAN\u7684\u7ba1\u7406\u548c\u7dad\u8b77\uff0cVTEP\u7684MAC\u4f4d\u5740\u8868\u6620\u5c04\u95dc\u4fc2\u4e0d\u518d\u900f\u904e\u7d44\u64ad\u5411\u5168\u7db2\u5176\u4ed6VTEP\u50b3\u9054\uff0c\u800c\u662f\u7d71\u4e00\u4e0a\u5831\u7d66\u63a7\u5236\u5668\uff0c\u7531\u63a7\u5236\u5668\u7d71\u4e00\u4e0b\u767c\u7d66\u9700\u8981\u63a5\u53d7\u6b64\u8a0a\u606f\u7684 \u5176\u4ed6VTEP\uff0c\u7531\u5177\u9ad4\u7684VTEP\u57f7\u884c\u8f49\u9001\u6a5f\u5236\u3002<\/p>\n<p>VXLAN\u7db2\u8def\u7684MAC\u8868\u8207\u96a7\u9053\u7d42\u7aef\u7684\u7d81\u5b9a\u95dc\u4fc2\u8981\u7528\u7d44\u64ad\u5354\u5b9a\u50b3\u64ad\uff0c\u800c\u5927\u898f\u683c\u7d44\u64ad\u5354\u5b9a\u96e2\u4e0d\u958b\u5be6\u9ad4\u7db2\u8def\u8a2d\u5099\u7684\u652f\u63f4\u3002<\/p>\n<p>\u4f9d\u7167VXLAN\u7684\u6a19\u6e96\uff0c \u6bcf\u500bVTEP\u90fd\u9700\u8981\u4e86\u89e3\u5176\u5b58\u53d6\u7684\u7d42\u7aefMAC\u4f4d\u5740\uff0c\u540c\u6642\u4e5f\u9700\u8981\u77e5\u9053\u6574\u7db2\uff08\u8a72VXLAN\u5be6\u4f8b\u4e2d\uff09\u5176\u4ed6VTEP\u4e0b\u6240\u6709\u7684\u7d42\u7aefMAC\u4f4d\u5740\u3002 \u53ea\u6709\u9019\u6a23\uff0c\u5728\u672c\u5730\u7684VTEP\u6536\u5230\u5831\u6587\u5f8c\u9700\u8981\u8f49\u767c\u6642\uff0c\u624d\u80fd\u6839\u64da\u76ee\u7684MAC\u67e5\u8a62\u5230\u9700\u8981\u9001\u5230\u9060\u7aef\u7684\u76ee\u7684VTEP\u90a3\u88e1 \u3002<\/p>\n<p>\u4f9d\u7167IETF\u4e2d\u5c0dVXLAN\u7db2\u8def\u7684\u5b9a\u7fa9\uff0c\u8ca0\u8cac\u5728\u7db2\u8def\u4e2d\u50b3\u64adMAC\u4f4d\u5740\u548cVTEP\u5c0d\u61c9\u95dc\u4fc2\u7684\u6a5f\u5236\uff0c\u6b63\u662f\u4f9d\u8a17\u65bc\u5be6\u9ad4\u7db2\u8def\u4e2d\u7684\u7d44\u64ad\u5354\u5b9a\u3002 VTEP\u5c07\u672c\u5730\u7684MAC\u4f4d\u5740\u8868\u5229\u7528\u7d44\u64ad\u5354\u5b9a\u5728\u6574\u500b\u7d44\u64ad\u4e2d\u50b3\u64ad\uff0c\u5f9e\u800c\u4f7f\u5f97\u6574\u7db2\u4e2d\u6240\u6709\u7d44\u64ad\u6210\u54e1\uff0c\u4e5f\u5c31\u662f\u5176\u4ed6VTEP\u90fd\u77e5\u9053\u672c\u5730\u7684MAC\u4f4d\u5740\u8868\u3002 \u7576VTEP\u4e0b\u7684\u7d42\u7aef\u5b58\u53d6\u60c5\u6cc1\u6709\u6240\u66f4\u6539\uff0c\u4f8b\u5982\u65b0\u589e\u4e86MAC\u4f4d\u5740\u6216\u6e1b\u5c11\u4e86MAC\u4f4d\u5740\uff0c\u4e5f\u9700\u8981\u5229\u7528\u7d44\u64ad\u5354\u5b9a\u901a\u77e5\u540c\u4e00\u500b\u5be6\u4f8b\u4e0b\u7684\u6240\u6709VTEP\u3002 \u53e6\u5916\uff0c\u7576\u672c\u5730VTEP\u627e\u4e0d\u5230\u76ee\u7684MAC\u8655\u65bc\u54ea\u4e00\u500b\u9060\u7aefVTEP\u6642\uff0c\u4e5f\u9700\u8981\u767c\u9001\u7d44\u64ad\u5c01\u5305\u4f86\u5c0b\u627e\u76ee\u7684MAC\u4e3b\u6a5f\u6240\u5c6c\u7684\u9060\u7aefVTEP\u3002<\/p>\n<p>\u5be6\u969b\u7d44\u7db2\u4e2d\uff0cVXLAN\u5229\u7528\u4e86\u5be6\u9ad4\u7db2\u8def\u7684\u7d44\u64ad\u7fa4\u7d44\uff0c\u5728\u5efa\u7acb\u597d\u7684\u7d44\u64ad\u7fa4\u7d44\u4e2d\u52a0\u5165VXLAN\u4e2d\u6240\u6709VTEP\u6210\u54e1\uff0c\u50b3\u905eVTEP\u8b8a\u66f4\u8cc7\u8a0a\u3002 \u5728\u591a\u7528\u6236\u591a\u696d\u52d9\u60c5\u6cc1\u4e0b\uff0c\u7d44\u64ad\u7fa4\u7d44\u8981\u6c42\u8207VXLAN\u6578\u91cf\u606f\u606f\u76f8\u95dc\u3002 \u7531\u65bcVXLAN\u7db2\u8def\u898f\u6a21\u7684\u4e0d\u65b7\u62d3\u5c55 \uff08\u6700\u5927\u53ef\u905416M\u500bVXLAN\u7db2\u8def\uff09\uff0c\u6240\u9700\u7684\u7d44\u64ad\u689d\u76ee\u6578\u6703\u4e0d\u65b7\u589e\u52a0\uff0c\u9019\u5be6\u969b\u4e0a\u5c0d\u65bc\u5be6\u9ad4\u7db2\u8def\u627f\u8f09\u7d44\u64ad\u8655\u7406\u80fd\u529b\u548c\u898f\u683c\u63d0\u51fa\u4e86\u8981\u6c42\u3002<\/p>\n<p>\u7531\u65bc\u6a19\u6e96VXLAN\u67b6\u69cb\u4e0b\u4f7f\u7528\u7d44\u64ad\u5354\u8b70\uff0c\u5c0d\u5be6\u9ad4\u7db2\u8def\u7d44\u64ad\u6578\u898f\u683c\u8981\u6c42\u8f03\u5927\uff0c\u56e0\u6b64H3C VXLAN\u89e3\u6c7a\u65b9\u6848\u57fa\u65bcSDN\u67b6\u69cb\uff0c \u900f\u904e\u5f15\u5165\u5168\u7db2\u7684SDN Controller\u4f86\u5be6\u73feVXLAN\u7684\u7ba1\u7406\u548c\u7dad\u8b77\uff0c\u4f7f\u5f97VTEP\u4e4b\u9593\u7684 \u8cc7\u8a0a\u53ef\u4ee5\u900f\u904eController\u4f86\u9032\u884c\u53cd\u5c04\u3002 \u9019\u6a23\uff0c VTEP\u7684MAC\u4f4d\u5740\u8868\u6620\u5c04\u95dc\u4fc2\u4e0d\u518d\u900f\u904e\u7fa4\u64ad\u5411\u5168\u7db2\u5176\u4ed6VTEP\u50b3\u9054\uff0c\u800c\u662f\u7d71\u4e00\u4e0a\u5831\u7d66\u63a7\u5236\u5668\uff0c\u7531\u63a7\u5236\u5668\u7d71\u4e00\u4e0b\u767c\u7d66\u9700\u8981\u63a5\u53d7\u6b64\u8a0a\u606f\u7684\u5176\u4ed6VTEP\uff0c \u7531\u5177\u9ad4\u7684VTEP\u57f7\u884c\u8f49\u767c \u6a5f\u5236\u3002<\/p>\n<p>\u5728SDN\u67b6\u69cb\u4e0b\uff0c\u786c\u9ad4\u5f62\u614b\u7684VTEP\u9700\u8981\u80fd\u5920\u652f\u63f4\u96c6\u4e2d\u63a7\u5236\u5668\u4e0b\u767c\u7684\u696d\u52d9\u63a7\u5236\u8a0a\u606f\uff0c\u540c\u6642\u57fa\u65bcOpenflow\u9032\u884c\u6d41\u7a0b\u8868\u8f49\u9001\u3002 \u800c\u50b3\u7d71\u786c\u9ad4\u4ea4\u63db\u5668\u4e0d\u80fd\u652f\u63f4\u4e0a\u8ff0\u7279\u6027\uff0c\u5fc5\u9808\u7531\u65b0\u786c\u9ad4\u8a2d\u5099\u4f86\u57f7\u884c\u548c\u5b8c\u6210\u7684\u3002<\/p>\n<p>3.3 VXLAN\u7db2\u8def\u4e92\u901a<br \/>\n\u5728\u50b3\u7d71L2\u7db2\u8def\u4e2d\uff0c\u5c01\u5305\u8de8VLAN\u8f49\u767c\uff0c\u9700\u8981\u85c9\u52a9\u4e09\u5c64\u8a2d\u5099\u4f86\u5b8c\u6210\u4e0d\u540cVLAN\u4e4b\u9593\u7684\u4e92\u901a\u554f\u984c\u3002 VXLAN\u7db2\u8def\u8207\u50b3\u7d71\u7db2\u8def\u3001\u4ee5\u53caVXLAN\u7db2\u8def\u7684\u4e92\u901a\uff0c\u5fc5\u9808\u6709\u7db2\u8def\u8a2d\u5099\u7684\u652f\u63f4\u3002<\/p>\n<p>VXLAN\u7db2\u8def\u6846\u67b6\u4e2d\u5b9a\u7fa9\u4e86\u5169\u7a2e\u7db2\u95dc\u55ae\u5143\u3002<\/p>\n<p>VXLAN\u4e09\u5c64\u9598\u9053\u3002 \u7528\u65bc\u7d42\u7d50VXLAN\u7db2\u7d61\uff0c\u5c07VXLAN\u5c01\u5305\u8f49\u63db\u6210\u50b3\u7d71\u4e09\u5c64\u5c01\u5305\u9001\u81f3IP\u7db2\u7d61\uff0c\u9069\u7528\u65bcVXLAN\u7db2\u8def\u5167\u4f3a\u670d\u5668\u8207\u9060\u7aef\u7d42\u7aef\u4e4b\u9593\u7684\u4e09\u5c64\u4e92\u8a2a\uff1b\u540c\u6642\u4e5f\u7528\u4f5c\u4e0d\u540cVXLAN\u7db2\u8def\u4e92\u901a(\u53ef \u7406\u89e3\u70ba\u4e0d\u540cVPC) \u3002 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