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1.\u524d\u8a00<\/span><\/strong>
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\n

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\n2.2. \u57fa\u4e8e\u5ba2\u6237\u7aef\u7684\u89e3\u51b3\u65b9\u6cd5<\/span>
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\nSmart Client[3]\u662fBerkeley\u505a\u7684\u53e6\u4e00\u79cd\u57fa\u4e8e\u5ba2\u6237\u7aef\u7684\u89e3\u51b3\u65b9\u6cd5\u3002\u670d\u52a1\u63d0\u4f9b\u4e00\u4e2aJava Applet\u5728\u5ba2\u6237\u65b9\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0cApplet\u5411\u5404\u4e2a\u670d\u52a1\u5668\u53d1\u8bf7\u6c42\u6765\u6536\u96c6\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u7b49\u4fe1\u606f\uff0c\u518d\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u5c06\u5ba2\u6237\u7684\u8bf7\u6c42\u53d1\u5230\u76f8\u5e94\u7684\u670d\u52a1\u5668\u3002\u9ad8\u53ef\u7528\u6027\u4e5f \u5728Applet\u4e2d\u5b9e\u73b0\uff0c\u5f53\u670d\u52a1\u5668\u6ca1\u6709\u54cd\u5e94\u65f6\uff0cApplet\u5411\u53e6\u4e00\u4e2a\u670d\u52a1\u5668\u8f6c\u53d1\u8bf7\u6c42\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u900f\u660e\u6027\u4e0d\u597d\uff0cApplet\u5411\u5404\u670d\u52a1\u5668\u67e5\u8be2\u6765\u6536\u96c6\u4fe1\u606f\u4f1a\u589e\u52a0\u989d \u5916\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u4e0d\u5177\u6709\u666e\u904d\u7684\u9002\u7528\u6027\u3002
\n2.3. \u57fa\u4e8e\u5e94\u7528\u5c42\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u89e3\u51b3\u65b9\u6cd5<\/span>
\n\u591a \u53f0\u670d\u52a1\u5668\u901a\u8fc7\u9ad8\u901f\u7684\u4e92\u8054\u7f51\u7edc\u8fde\u63a5\u6210\u4e00\u4e2a\u96c6\u7fa4\u7cfb\u7edf\uff0c\u5728\u524d\u7aef\u6709\u4e00\u4e2a\u57fa\u4e8e\u5e94\u7528\u5c42\u7684\u8d1f\u8f7d\u8c03\u5ea6\u5668\u3002\u5f53\u7528\u6237\u8bbf\u95ee\u8bf7\u6c42\u5230\u8fbe\u8c03\u5ea6\u5668\u65f6\uff0c\u8bf7\u6c42\u4f1a\u63d0\u4ea4\u7ed9\u4f5c\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u5e94\u7528\u7a0b \u5e8f\uff0c\u5206\u6790\u8bf7\u6c42\uff0c\u6839\u636e\u5404\u4e2a\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u9009\u51fa\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u91cd\u5199\u8bf7\u6c42\u5e76\u5411\u9009\u51fa\u7684\u670d\u52a1\u5668\u8bbf\u95ee\uff0c\u53d6\u5f97\u7ed3\u679c\u540e\uff0c\u518d\u8fd4\u56de\u7ed9\u7528\u6237\u3002
\n\u5e94\u7528\u5c42\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6 \u7684\u5178\u578b\u4ee3\u8868\u6709Zeus\u8d1f\u8f7d\u8c03\u5ea6\u5668[4]\u3001pWeb[5]\u3001Reverse-Proxy[6]\u548cSWEB[7]\u7b49\u3002Zeus\u8d1f\u8f7d\u8c03\u5ea6\u5668\u662fZeus\u516c\u53f8\u7684\u5546\u4e1a \u4ea7\u54c1\uff0c\u5b83\u662f\u5728Zeus Web\u670d\u52a1\u5668\u7a0b\u5e8f\u6539\u5199\u800c\u6210\u7684\uff0c\u91c7\u7528\u5355\u8fdb\u7a0b\u4e8b\u4ef6\u9a71\u52a8\u7684\u670d\u52a1\u5668\u7ed3\u6784\u3002pWeb\u5c31\u662f\u4e00\u4e2a\u57fa\u4e8eApache 1.1\u670d\u52a1\u5668\u7a0b\u5e8f\u6539\u5199\u800c\u6210\u7684\u5e76\u884cWEB\u8c03\u5ea6\u7a0b\u5e8f\uff0c\u5f53\u4e00\u4e2aHTTP\u8bf7\u6c42\u5230\u8fbe\u65f6\uff0cpWeb\u4f1a\u9009\u51fa\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u91cd\u5199\u8bf7\u6c42\u5e76\u5411\u8fd9\u4e2a\u670d\u52a1\u5668\u53d1\u51fa\u6539\u5199\u540e\u7684\u8bf7\u6c42\uff0c\u7b49\u7ed3\u679c \u8fd4\u56de\u540e\uff0c\u518d\u5c06\u7ed3\u679c\u8f6c\u53d1\u7ed9\u5ba2\u6237\u3002Reverse-Proxy\u5229\u7528Apache 1.3.1\u4e2d\u7684Proxy\u6a21\u5757\u548cRewrite\u6a21\u5757\u5b9e\u73b0\u4e00\u4e2a\u53ef\u4f38\u7f29WEB\u670d\u52a1\u5668\uff0c\u5b83\u4e0epWeb\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5b83\u8981\u5148\u4eceProxy\u7684cache\u4e2d\u67e5\u627e\u540e\uff0c\u82e5 \u6ca1\u6709\u8fd9\u4e2a\u526f\u672c\uff0c\u518d\u9009\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\uff0c\u518d\u5c06\u670d\u52a1\u5668\u8fd4\u56de\u7684\u7ed3\u679c\u8f6c\u53d1\u7ed9\u5ba2\u6237\u3002SWEB\u662f\u5229\u7528HTTP\u4e2d\u7684redirect\u9519\u8bef\u4ee3\u7801\uff0c\u5c06\u5ba2\u6237\u8bf7\u6c42\u5230 \u8fbe\u4e00\u53f0WEB\u670d\u52a1\u5668\u540e\uff0c\u8fd9\u4e2aWEB\u670d\u52a1\u5668\u6839\u636e\u81ea\u5df1\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u81ea\u5df1\u5904\u7406\u8bf7\u6c42\uff0c\u6216\u8005\u901a\u8fc7redirect\u9519\u8bef\u4ee3\u7801\u5c06\u5ba2\u6237\u5f15\u5230\u53e6\u4e00\u53f0WEB\u670d\u52a1\u5668\uff0c\u4ee5\u5b9e\u73b0\u4e00\u4e2a \u53ef\u4f38\u7f29\u7684WEB\u670d\u52a1\u5668\u3002
\n\u57fa\u4e8e\u5e94\u7528\u5c42\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u591a\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6cd5\u4e5f\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\u3002\u7b2c\u4e00\uff0c\u7cfb\u7edf\u5904\u7406\u5f00\u9500\u7279\u522b\u5927\uff0c\u81f4\u4f7f\u7cfb\u7edf\u7684\u4f38\u7f29\u6027\u6709\u9650\u3002\u5f53\u8bf7 \u6c42\u5230\u8fbe\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u5668\u81f3\u5904\u7406\u7ed3\u675f\u65f6\uff0c\u8c03\u5ea6\u5668\u9700\u8981\u8fdb\u884c\u56db\u6b21\u4ece\u6838\u5fc3\u5230\u7528\u6237\u7a7a\u95f4\u6216\u4ece\u7528\u6237\u7a7a\u95f4\u5230\u6838\u5fc3\u7a7a\u95f4\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u5185\u5b58\u590d\u5236\uff1b\u9700\u8981\u8fdb\u884c\u4e8c\u6b21TCP\u8fde\u63a5\uff0c\u4e00\u6b21\u662f \u4ece\u7528\u6237\u5230\u8c03\u5ea6\u5668\uff0c\u53e6\u4e00\u6b21\u662f\u4ece\u8c03\u5ea6\u5668\u5230\u771f\u5b9e\u670d\u52a1\u5668\uff1b\u9700\u8981\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5206\u6790\u548c\u91cd\u5199\u3002\u8fd9\u4e9b\u5904\u7406\u90fd\u9700\u8981\u4e0d\u5c0f\u7684\uff23\uff30\uff35\u3001\u5185\u5b58\u548c\u7f51\u7edc\u7b49\u8d44\u6e90\u5f00\u9500\uff0c\u4e14\u5904\u7406\u65f6\u95f4\u957f\u3002\u6240\u6784\u6210\u7cfb \u7edf\u7684\u6027\u80fd\u4e0d\u80fd\u63a5\u8fd1\u7ebf\u6027\u589e\u52a0\u7684\uff0c\u4e00\u822c\u670d\u52a1\u5668\u7ec4\u589e\u81f33\u62164\u53f0\u65f6\uff0c\u8c03\u5ea6\u5668\u672c\u8eab\u53ef\u80fd\u4f1a\u6210\u4e3a\u65b0\u7684\u74f6\u9888\u3002\u6240\u4ee5\uff0c\u8fd9\u79cd\u57fa\u4e8e\u5e94\u7528\u5c42\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u65b9\u6cd5\u7684\u4f38\u7f29\u6027\u6781\u5176\u6709\u9650\u3002\u7b2c \u4e8c\uff0c\u57fa\u4e8e\u5e94\u7528\u5c42\u7684\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u5668\u5bf9\u4e8e\u4e0d\u540c\u7684\u5e94\u7528\uff0c\u9700\u8981\u5199\u4e0d\u540c\u7684\u8c03\u5ea6\u5668\u3002\u4ee5\u4e0a\u51e0\u4e2a\u7cfb\u7edf\u90fd\u662f\u57fa\u4e8eHTTP\u534f\u8bae\uff0c\u82e5\u5bf9\u4e8eFTP\u3001Mail\u3001POP3\u7b49\u5e94\u7528\uff0c\u90fd\u9700 \u8981\u91cd\u5199\u8c03\u5ea6\u5668\u3002
\n2.4. \u57fa\u4e8eIP\u5c42\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u89e3\u51b3\u65b9\u6cd5<\/span>
\n\u7528 \u6237\u901a\u8fc7\u865a\u62dfIP\u5730\u5740\uff08Virtual IP Address\uff09\u8bbf\u95ee\u670d\u52a1\u65f6\uff0c\u8bbf\u95ee\u8bf7\u6c42\u7684\u62a5\u6587\u4f1a\u5230\u8fbe\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff0c\u7531\u5b83\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\uff0c\u4ece\u4e00\u7ec4\u771f\u5b9e\u670d\u52a1\u5668\u9009\u51fa\u4e00\u4e2a\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u6807\u5730\u5740Virtual IP Address\u6539\u5199\u6210\u9009\u5b9a\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c\u62a5\u6587\u7684\u76ee\u6807\u7aef\u53e3\u6539\u5199\u6210\u9009\u5b9a\u670d\u52a1\u5668\u7684\u76f8\u5e94\u7aef\u53e3\uff0c\u6700\u540e\u5c06\u62a5\u6587\u53d1\u9001\u7ed9\u9009\u5b9a\u7684\u670d\u52a1\u5668\u3002\u771f\u5b9e\u670d\u52a1\u5668\u7684\u56de\u5e94\u62a5\u6587\u7ecf\u8fc7\u8d1f\u8f7d\u8c03\u5ea6\u5668 \u65f6\uff0c\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u6e90\u7aef\u53e3\u6539\u4e3aVirtual IP Address\u548c\u76f8\u5e94\u7684\u7aef\u53e3\uff0c\u518d\u628a\u62a5\u6587\u53d1\u7ed9\u7528\u6237\u3002Berkeley\u7684MagicRouter[8]\u3001Cisco\u7684LocalDirector\u3001 Alteon\u7684ACEDirector\u548cF5\u7684Big\/IP\u7b49\u90fd\u662f\u4f7f\u7528\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u65b9\u6cd5\u3002MagicRouter\u662f\u5728Linux 1.3\u7248\u672c\u4e0a\u5e94\u7528\u5feb\u901f\u62a5\u6587\u63d2\u5165\u6280\u672f\uff0c\u4f7f\u5f97\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7684\u7528\u6237\u8fdb\u7a0b\u8bbf\u95ee\u7f51\u7edc\u8bbe\u5907\u63a5\u8fd1\u6838\u5fc3\u7a7a\u95f4\u7684\u901f\u5ea6\uff0c\u964d\u4f4e\u4e86\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5904\u7406\u5f00\u9500\uff0c\u4f46\u5e76\u4e0d\u5f7b\u5e95\uff0c\u5b83\u53ea\u662f\u7814 \u7a76\u7684\u539f\u578b\u7cfb\u7edf\uff0c\u6ca1\u6709\u6210\u4e3a\u6709\u7528\u7684\u7cfb\u7edf\u5b58\u6d3b\u4e0b\u6765\u3002Cisco\u7684LocalDirector\u3001Alteon\u7684ACEDirector\u548cF5\u7684Big\/IP\u662f\u975e\u5e38 \u6602\u8d35\u7684\u5546\u54c1\u5316\u7cfb\u7edf\uff0c\u5b83\u4eec\u652f\u6301\u90e8\u5206TCP\/UDP\u534f\u8bae\uff0c\u6709\u4e9b\u5728ICMP\u5904\u7406\u4e0a\u5b58\u5728\u95ee\u9898\u3002
\nIBM\u7684TCP Router[9]\u4f7f\u7528\u4fee\u6539\u8fc7\u7684\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u65b9\u6cd5\u5728SP\/2\u7cfb\u7edf\u5b9e\u73b0\u53ef\u4f38\u7f29\u7684WEB\u670d\u52a1\u5668\u3002TCP Router\u4fee\u6539\u8bf7\u6c42\u62a5\u6587\u7684\u76ee\u6807\u5730\u5740\u5e76\u628a\u5b83\u8f6c\u53d1\u7ed9\u9009\u51fa\u7684\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u80fd\u628a\u54cd\u5e94\u62a5\u6587\u7684\u6e90\u5730\u5740\u7f6e\u4e3aTCP Router\u5730\u5740\u800c\u975e\u81ea\u5df1\u7684\u5730\u5740\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u662f\u54cd\u5e94\u62a5\u6587\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\uff0c\u574f\u5904\u662f\u6bcf\u53f0\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u90fd\u9700\u8981\u4fee\u6539\u3002IBM\u7684 NetDispatcher[10]\u662fTCP Router\u7684\u540e\u7ee7\u8005\uff0c\u5b83\u5c06\u62a5\u6587\u8f6c\u53d1\u7ed9\u670d\u52a1\u5668\uff0c\u800c\u670d\u52a1\u5668\u5728non-ARP\u7684\u8bbe\u5907\u914d\u7f6e\u8def\u7531\u5668\u7684\u5730\u5740\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0eLVS\u96c6\u7fa4\u4e2d\u7684VS\/DR\u7c7b\u4f3c\uff0c\u5b83\u5177\u6709\u5f88\u9ad8\u7684 \u53ef\u4f38\u7f29\u6027\uff0c\u4f46\u4e00\u5957\u5728IBM SP\/2\u548cNetDispatcher\u9700\u8981\u4e0a\u767e\u4e07\u7f8e\u91d1\u3002\u603b\u7684\u6765\u8bf4\uff0cIBM\u7684\u6280\u672f\u8fd8\u633a\u4e0d\u9519\u7684\u3002
\n\u5728\u8d1d\u5c14\u5b9e\u9a8c\u5ba4\u7684 ONE-IP[11]\u4e2d\uff0c\u6bcf\u53f0\u670d\u52a1\u5668\u90fd\u72ec\u7acb\u7684IP\u5730\u5740\uff0c\u4f46\u90fd\u7528IP Alias\u914d\u7f6e\u4e0a\u540c\u4e00VIP\u5730\u5740\uff0c\u91c7\u7528\u8def\u7531\u548c\u5e7f\u64ad\u4e24\u79cd\u65b9\u6cd5\u5206\u53d1\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\u6309VIP\u5730\u5740\u5904\u7406\u8bf7\u6c42\uff0c\u5e76\u4ee5VIP\u4e3a\u6e90\u5730\u5740\u8fd4\u56de\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e5f\u662f\u4e3a \u4e86\u907f\u514d\u56de\u5e94\u62a5\u6587\u7684\u91cd\u5199\uff0c\u4f46\u662f\u6bcf\u53f0\u670d\u52a1\u5668\u7528IP Alias\u914d\u7f6e\u4e0a\u540c\u4e00VIP\u5730\u5740\uff0c\u4f1a\u5bfc\u81f4\u5730\u5740\u51b2\u7a81\uff0c\u6709\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u51fa\u73b0\u7f51\u7edc\u5931\u6548\u3002\u901a\u8fc7\u5e7f\u64ad\u5206\u53d1\u8bf7\u6c42\uff0c\u540c\u6837\u9700\u8981\u4fee\u6539\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u7684\u6e90\u7801\u6765\u8fc7\u6ee4\u62a5\u6587\uff0c\u4f7f\u5f97\u53ea \u6709\u4e00\u53f0\u670d\u52a1\u5668\u5904\u7406\u5e7f\u64ad\u6765\u7684\u8bf7\u6c42\u3002
\n\u5fae\u8f6f\u7684Windows NT\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\uff08Windows NT Load Balancing Service\uff0cWLBS\uff09[12]\u662f1998\u5e74\u5e95\u6536\u8d2dValence Research\u516c\u53f8\u83b7\u5f97\u7684\uff0c\u5b83\u4e0eONE-IP\u4e2d\u7684\u57fa\u4e8e\u672c\u5730\u8fc7\u6ee4\u65b9\u6cd5\u4e00\u6837\u3002WLBS\u4f5c\u4e3a\u8fc7\u6ee4\u5668\u8fd0\u884c\u5728\u7f51\u5361\u9a71\u52a8\u7a0b\u5e8f\u548cTCP\/IP\u534f\u8bae\u6808\u4e4b\u95f4\uff0c\u83b7\u5f97\u76ee\u6807\u5730\u5740 \u4e3aVIP\u7684\u62a5\u6587\uff0c\u5b83\u7684\u8fc7\u6ee4\u7b97\u6cd5\u68c0\u67e5\u62a5\u6587\u7684\u6e90IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\uff0c\u4fdd\u8bc1\u53ea\u6709\u4e00\u53f0\u670d\u52a1\u5668\u5c06\u62a5\u6587\u4ea4\u7ed9\u4e0a\u4e00\u5c42\u5904\u7406\u3002\u4f46\u662f\uff0c\u5f53\u6709\u65b0\u7ed3\u70b9\u52a0\u5165\u548c\u6709\u7ed3\u70b9\u5931\u6548\u65f6\uff0c\u6240\u6709\u670d\u52a1\u5668 \u9700\u8981\u534f\u5546\u4e00\u4e2a\u65b0\u7684\u8fc7\u6ee4\u7b97\u6cd5\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6240\u6709\u6709Session\u7684\u8fde\u63a5\u4e2d\u65ad\u3002\u540c\u65f6\uff0cWLBS\u9700\u8981\u6240\u6709\u7684\u670d\u52a1\u5668\u6709\u76f8\u540c\u7684\u914d\u7f6e\uff0c\u5982\u7f51\u5361\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b\u3002
\n3. \u901a\u8fc7NAT\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\uff08VS\/NAT\uff09<\/span><\/strong>
\n\u7531 \u4e8eIPv4\u4e2dIP\u5730\u5740\u7a7a\u95f4\u7684\u65e5\u76ca\u7d27\u5f20\u548c\u5b89\u5168\u65b9\u9762\u7684\u539f\u56e0\uff0c\u5f88\u591a\u7f51\u7edc\u4f7f\u7528\u4fdd\u7559IP\u5730\u5740\uff0810.0.0.0\/255.0.0.0\u3001 172.16.0.0\/255.128.0.0\u548c192.168.0.0\/255.255.0.0\uff09[64, 65, 66]\u3002\u8fd9\u4e9b\u5730\u5740\u4e0d\u5728Internet\u4e0a\u4f7f\u7528\uff0c\u800c\u662f\u4e13\u95e8\u4e3a\u5185\u90e8\u7f51\u7edc\u9884\u7559\u7684\u3002\u5f53\u5185\u90e8\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u8981\u8bbf\u95eeInternet\u6216\u88abInternet\u8bbf\u95ee\u65f6\uff0c\u5c31\u9700\u8981 \u91c7\u7528\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff08Network Address Translation, \u4ee5\u4e0b\u7b80\u79f0NAT\uff09\uff0c\u5c06\u5185\u90e8\u5730\u5740\u8f6c\u5316\u4e3aInternets\u4e0a\u53ef\u7528\u7684\u5916\u90e8\u5730\u5740\u3002NAT\u7684\u5de5\u4f5c\u539f\u7406\u662f\u62a5\u6587\u5934\uff08\u76ee\u6807\u5730\u5740\u3001\u6e90\u5730\u5740\u548c\u7aef\u53e3\u7b49\uff09\u88ab\u6b63\u786e\u6539\u5199\u540e\uff0c\u5ba2\u6237\u76f8\u4fe1 \u5b83\u4eec\u8fde\u63a5\u4e00\u4e2aIP\u5730\u5740\uff0c\u800c\u4e0d\u540cIP\u5730\u5740\u7684\u670d\u52a1\u5668\u7ec4\u4e5f\u8ba4\u4e3a\u5b83\u4eec\u662f\u4e0e\u5ba2\u6237\u76f4\u63a5\u76f8\u8fde\u7684\u3002\u7531\u6b64\uff0c\u53ef\u4ee5\u7528NAT\u65b9\u6cd5\u5c06\u4e0d\u540cIP\u5730\u5740\u7684\u5e76\u884c\u7f51\u7edc\u670d\u52a1\u53d8\u6210\u5728\u4e00\u4e2aIP\u5730\u5740 \u4e0a\u7684\u4e00\u4e2a\u865a\u62df\u670d\u52a1\u3002
\nVS\/NAT\u7684\u4f53\u7cfb\u7ed3\u6784\u5982\u56fe2\u6240\u793a\u3002\u5728\u4e00\u7ec4\u670d\u52a1\u5668\u524d\u6709\u4e00\u4e2a\u8c03\u5ea6\u5668\uff0c\u5b83\u4eec\u662f\u901a\u8fc7Switch\/HUB\u76f8\u8fde\u63a5\u7684\u3002\u8fd9\u4e9b\u670d\u52a1\u5668 \u63d0\u4f9b\u76f8\u540c\u7684\u7f51\u7edc\u670d\u52a1\u3001\u76f8\u540c\u7684\u5185\u5bb9\uff0c\u5373\u4e0d\u7ba1\u8bf7\u6c42\u88ab\u53d1\u9001\u5230\u54ea\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u6267\u884c\u7ed3\u679c\u662f\u4e00\u6837\u7684\u3002\u670d\u52a1\u7684\u5185\u5bb9\u53ef\u4ee5\u590d\u5236\u5230\u6bcf\u53f0\u670d\u52a1\u5668\u7684\u672c\u5730\u786c\u76d8\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f51\u7edc\u6587\u4ef6\u7cfb \u7edf\uff08\u5982NFS\uff09\u5171\u4eab\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u6765\u63d0\u4f9b\u3002
\n
\\\"VS\/NAT\u7684\u4f53\u7cfb\u7ed3\u6784\\\"
\n\u56fe2\uff1aVS\/NAT\u7684\u4f53\u7cfb\u7ed3\u6784<\/b><\/center>\u5ba2 \u6237\u901a\u8fc7Virtual IP Address\uff08\u865a\u62df\u670d\u52a1\u7684IP\u5730\u5740\uff09\u8bbf\u95ee\u7f51\u7edc\u670d\u52a1\u65f6\uff0c\u8bf7\u6c42\u62a5\u6587\u5230\u8fbe\u8c03\u5ea6\u5668\uff0c\u8c03\u5ea6\u5668\u6839\u636e\u8fde\u63a5\u8c03\u5ea6\u7b97\u6cd5\u4ece\u4e00\u7ec4\u771f\u5b9e\u670d\u52a1\u5668\u4e2d\u9009\u51fa\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u6807\u5730\u5740 Virtual IP Address\u6539\u5199\u6210\u9009\u5b9a\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c\u62a5\u6587\u7684\u76ee\u6807\u7aef\u53e3\u6539\u5199\u6210\u9009\u5b9a\u670d\u52a1\u5668\u7684\u76f8\u5e94\u7aef\u53e3\uff0c\u6700\u540e\u5c06\u4fee\u6539\u540e\u7684\u62a5\u6587\u53d1\u9001\u7ed9\u9009\u51fa\u7684\u670d\u52a1\u5668\u3002\u540c\u65f6\uff0c\u8c03\u5ea6\u5668\u5728\u8fde\u63a5Hash \u8868\u4e2d\u8bb0\u5f55\u8fd9\u4e2a\u8fde\u63a5\uff0c\u5f53\u8fd9\u4e2a\u8fde\u63a5\u7684\u4e0b\u4e00\u4e2a\u62a5\u6587\u5230\u8fbe\u65f6\uff0c\u4ece\u8fde\u63a5Hash\u8868\u4e2d\u53ef\u4ee5\u5f97\u5230\u539f\u9009\u5b9a\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\uff0c\u8fdb\u884c\u540c\u6837\u7684\u6539\u5199\u64cd\u4f5c\uff0c\u5e76\u5c06\u62a5\u6587\u4f20\u7ed9\u539f\u9009\u5b9a\u7684\u670d\u52a1 \u5668\u3002\u5f53\u6765\u81ea\u771f\u5b9e\u670d\u52a1\u5668\u7684\u54cd\u5e94\u62a5\u6587\u7ecf\u8fc7\u8c03\u5ea6\u5668\u65f6\uff0c\u8c03\u5ea6\u5668\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u6e90\u7aef\u53e3\u6539\u4e3aVirtual IP Address\u548c\u76f8\u5e94\u7684\u7aef\u53e3\uff0c\u518d\u628a\u62a5\u6587\u53d1\u7ed9\u7528\u6237\u3002\u6211\u4eec\u5728\u8fde\u63a5\u4e0a\u5f15\u5165\u4e00\u4e2a\u72b6\u6001\u673a\uff0c\u4e0d\u540c\u7684\u62a5\u6587\u4f1a\u4f7f\u5f97\u8fde\u63a5\u5904\u4e8e\u4e0d\u540c\u7684\u72b6\u6001\uff0c\u4e0d\u540c\u7684\u72b6\u6001\u6709\u4e0d\u540c\u7684\u8d85\u65f6\u503c\u3002\u5728TCP \u8fde\u63a5\u4e2d\uff0c\u6839\u636e\u6807\u51c6\u7684TCP\u6709\u9650\u72b6\u6001\u673a\u8fdb\u884c\u72b6\u6001\u8fc1\u79fb\uff0c\u8fd9\u91cc\u6211\u4eec\u4e0d\u4e00\u4e00\u53d9\u8ff0\uff0c\u8bf7\u53c2\u89c1W. Richard Stevens\u7684\u300aTCP\/IP Illustrated Volume I\u300b\uff1b\u5728UDP\u4e2d\uff0c\u6211\u4eec\u53ea\u8bbe\u7f6e\u4e00\u4e2aUDP\u72b6\u6001\u3002\u4e0d\u540c\u72b6\u6001\u7684\u8d85\u65f6\u503c\u662f\u53ef\u4ee5\u8bbe\u7f6e\u7684\uff0c\u5728\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cSYN\u72b6\u6001\u7684\u8d85\u65f6\u4e3a1\u5206\u949f\uff0cESTABLISHED\u72b6\u6001\u7684\u8d85 \u65f6\u4e3a15\u5206\u949f\uff0cFIN\u72b6\u6001\u7684\u8d85\u65f6\u4e3a1\u5206\u949f\uff1bUDP\u72b6\u6001\u7684\u8d85\u65f6\u4e3a5\u5206\u949f\u3002\u5f53\u8fde\u63a5\u7ec8\u6b62\u6216\u8d85\u65f6\uff0c\u8c03\u5ea6\u5668\u5c06\u8fd9\u4e2a\u8fde\u63a5\u4ece\u8fde\u63a5Hash\u8868\u4e2d\u5220\u9664\u3002
\n\u8fd9\u6837\uff0c\u5ba2\u6237\u6240\u770b\u5230\u7684\u53ea\u662f\u5728Virtual IP Address\u4e0a\u63d0\u4f9b\u7684\u670d\u52a1\uff0c\u800c\u670d\u52a1\u5668\u96c6\u7fa4\u7684\u7ed3\u6784\u5bf9\u7528\u6237\u662f\u900f\u660e\u7684\u3002\u5bf9\u6539\u5199\u540e\u7684\u62a5\u6587\uff0c\u5e94\u7528\u589e\u91cf\u8c03\u6574Checksum\u7684\u7b97\u6cd5\u8c03\u6574TCP Checksum\u7684\u503c\uff0c\u907f\u514d\u4e86\u626b\u63cf\u6574\u4e2a\u62a5\u6587\u6765\u8ba1\u7b97Checksum\u7684\u5f00\u9500\u3002
\n\u5728 \u4e00\u4e9b\u7f51\u7edc\u670d\u52a1\u4e2d\uff0c\u5b83\u4eec\u5c06IP\u5730\u5740\u6216\u8005\u7aef\u53e3\u53f7\u5728\u62a5\u6587\u7684\u6570\u636e\u4e2d\u4f20\u9001\uff0c\u82e5\u6211\u4eec\u53ea\u5bf9\u62a5\u6587\u5934\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u4f5c\u8f6c\u6362\uff0c\u8fd9\u6837\u5c31\u4f1a\u51fa\u73b0\u4e0d\u4e00\u81f4\u6027\uff0c\u670d\u52a1\u4f1a\u4e2d\u65ad\u3002\u6240\u4ee5\uff0c\u9488 \u5bf9\u8fd9\u4e9b\u670d\u52a1\uff0c\u9700\u8981\u7f16\u5199\u76f8\u5e94\u7684\u5e94\u7528\u6a21\u5757\u6765\u8f6c\u6362\u62a5\u6587\u6570\u636e\u4e2d\u7684IP\u5730\u5740\u6216\u8005\u7aef\u53e3\u53f7\u3002\u6211\u4eec\u6240\u77e5\u9053\u6709\u8fd9\u4e2a\u95ee\u9898\u7684\u7f51\u7edc\u670d\u52a1\u6709FTP\u3001IRC\u3001H.323\u3001 CUSeeMe\u3001Real Audio\u3001Real Video\u3001Vxtreme \/ Vosiac\u3001VDOLive\u3001VIVOActive\u3001True Speech\u3001RSTP\u3001PPTP\u3001StreamWorks\u3001NTT AudioLink\u3001NTT SoftwareVision\u3001Yamaha MIDPlug\u3001iChat Pager\u3001Quake\u548cDiablo\u3002
\n\u4e0b\u9762\uff0c\u4e3e\u4e2a\u4f8b\u5b50\u6765\u8fdb\u4e00\u6b65\u8bf4\u660eVS\/NAT\uff0c\u5982\u56fe3\u6240\u793a\uff1a
\n
\\\"VS\/NAT\u7684\u4f8b\u5b50\\\"
\n\u56fe3\uff1aVS\/NAT\u7684\u4f8b\u5b50<\/b><\/center>VS\/NAT \u7684\u914d\u7f6e\u5982\u4e0b\u8868\u6240\u793a\uff0c\u6240\u6709\u5230IP\u5730\u5740\u4e3a202.103.106.5\u548c\u7aef\u53e3\u4e3a80\u7684\u6d41\u91cf\u90fd\u88ab\u8d1f\u8f7d\u5747\u8861\u5730\u8c03\u5ea6\u7684\u771f\u5b9e\u670d\u52a1\u5668172.16.0.2:80\u548c 172.16.0.3:8000\u4e0a\u3002\u76ee\u6807\u5730\u5740\u4e3a202.103.106.5:21\u7684\u62a5\u6587\u88ab\u8f6c\u79fb\u5230172.16.0.3:21\u4e0a\u3002\u800c\u5230\u5176\u4ed6\u7aef\u53e3\u7684\u62a5\u6587\u5c06\u88ab\u62d2 \u7edd\u3002<\/p>\n
\n\n\n\n\n\n\n
Protocol<\/td>\nVirtual IP Address<\/td>\nPort<\/td>\nReal IP Address<\/td>\nPort<\/td>\nWeight<\/td>\n<\/tr>\n
TCP<\/td>\n202.103.106.5<\/td>\n80<\/td>\n172.16.0.2<\/td>\n80<\/td>\n1<\/td>\n<\/tr>\n
172.16.0.3<\/td>\n8000<\/td>\n2<\/td>\n<\/tr>\n
TCP<\/td>\n202.103.106.5<\/td>\n21<\/td>\n172.16.0.3<\/td>\n21<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u4ece\u4ee5\u4e0b\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u8be6\u7ec6\u5730\u4e86\u89e3\u62a5\u6587\u6539\u5199\u7684\u6d41\u7a0b\u3002
\n\u8bbf\u95eeWeb\u670d\u52a1\u7684\u62a5\u6587\u53ef\u80fd\u6709\u4ee5\u4e0b\u7684\u6e90\u5730\u5740\u548c\u76ee\u6807\u5730\u5740\uff1a<\/p>\n\n\n\n
SOURCE<\/td>\n202.100.1.2:3456<\/td>\nDEST<\/td>\n202.103.106.5:80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8c03\u5ea6\u5668\u4ece\u8c03\u5ea6\u5217\u8868\u4e2d\u9009\u51fa\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u4f8b\u5982\u662f172.16.0.3:8000\u3002\u8be5\u62a5\u6587\u4f1a\u88ab\u6539\u5199\u4e3a\u5982\u4e0b\u5730\u5740\uff0c\u5e76\u5c06\u5b83\u53d1\u9001\u7ed9\u9009\u51fa\u7684\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n
SOURCE<\/td>\n202.100.1.2:3456<\/td>\nDEST<\/td>\n172.16.0.3:8000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4ece\u670d\u52a1\u5668\u8fd4\u56de\u5230\u8c03\u5ea6\u5668\u7684\u54cd\u5e94\u62a5\u6587\u5982\u4e0b\uff1a<\/p>\n\n\n\n
SOURCE<\/td>\n172.16.0.3:8000<\/td>\nDEST<\/td>\n202.100.1.2:3456<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u54cd\u5e94\u62a5\u6587\u7684\u6e90\u5730\u5740\u4f1a\u88ab\u6539\u5199\u4e3a\u865a\u62df\u670d\u52a1\u7684\u5730\u5740\uff0c\u518d\u5c06\u62a5\u6587\u53d1\u9001\u7ed9\u5ba2\u6237\uff1a<\/p>\n\n\n\n
SOURCE<\/td>\n202.103.106.5:80<\/td>\nDEST<\/td>\n202.100.1.2:3456<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fd9\u6837\uff0c\u5ba2\u6237\u8ba4\u4e3a\u662f\u4ece202.103.106.5:80\u670d\u52a1\u5f97\u5230\u6b63\u786e\u7684\u54cd\u5e94\uff0c\u800c\u4e0d\u4f1a\u77e5\u9053\u8be5\u8bf7\u6c42\u662f\u670d\u52a1\u5668172.16.0.2\u8fd8\u662f\u670d\u52a1\u5668172.16.0.3\u5904\u7406\u7684\u3002
\n4. \u901a\u8fc7IP\u96a7\u9053\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\uff08VS\/TUN\uff09<\/span><\/strong>
\n\u5728VS\/NAT \u7684\u96c6\u7fa4\u7cfb\u7edf\u4e2d\uff0c\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u6570\u636e\u62a5\u6587\u90fd\u9700\u8981\u901a\u8fc7\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff0c\u5f53\u771f\u5b9e\u670d\u52a1\u5668\u7684\u6570\u76ee\u572810\u53f0\u548c20\u53f0\u4e4b\u95f4\u65f6\uff0c\u8d1f\u8f7d\u8c03\u5ea6\u5668\u5c06\u6210\u4e3a\u6574\u4e2a\u96c6\u7fa4\u7cfb\u7edf\u7684\u65b0\u74f6\u9888\u3002\u5927\u591a\u6570 Internet\u670d\u52a1\u90fd\u6709\u8fd9\u6837\u7684\u7279\u70b9\uff1a\u8bf7\u6c42\u62a5\u6587\u8f83\u77ed\u800c\u54cd\u5e94\u62a5\u6587\u5f80\u5f80\u5305\u542b\u5927\u91cf\u7684\u6570\u636e\u3002\u5982\u679c\u80fd\u5c06\u8bf7\u6c42\u548c\u54cd\u5e94\u5206\u5f00\u5904\u7406\uff0c\u5373\u5728\u8d1f\u8f7d\u8c03\u5ea6\u5668\u4e2d\u53ea\u8d1f\u8d23\u8c03\u5ea6\u8bf7\u6c42\u800c\u54cd\u5e94\u76f4 \u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\uff0c\u5c06\u6781\u5927\u5730\u63d0\u9ad8\u6574\u4e2a\u96c6\u7fa4\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u3002
\nIP\u96a7\u9053\uff08IP tunneling\uff09\u662f\u5c06\u4e00\u4e2aIP\u62a5\u6587\u5c01\u88c5\u5728\u53e6\u4e00\u4e2aIP\u62a5\u6587\u7684\u6280\u672f\uff0c\u8fd9\u53ef\u4ee5\u4f7f\u5f97\u76ee\u6807\u4e3a\u4e00\u4e2aIP\u5730\u5740\u7684\u6570\u636e\u62a5\u6587\u80fd\u88ab\u5c01\u88c5\u548c\u8f6c\u53d1\u5230\u53e6\u4e00\u4e2aIP\u5730\u5740\u3002IP\u96a7\u9053\u6280 \u672f\u4ea6\u79f0\u4e3aIP\u5c01\u88c5\u6280\u672f\uff08IP encapsulation\uff09\u3002IP\u96a7\u9053\u4e3b\u8981\u7528\u4e8e\u79fb\u52a8\u4e3b\u673a\u548c\u865a\u62df\u79c1\u6709\u7f51\u7edc\uff08Virtual Private Network\uff09\uff0c\u5728\u5176\u4e2d\u96a7\u9053\u90fd\u662f\u9759\u6001\u5efa\u7acb\u7684\uff0c\u96a7\u9053\u4e00\u7aef\u6709\u4e00\u4e2aIP\u5730\u5740\uff0c\u53e6\u4e00\u7aef\u4e5f\u6709\u552f\u4e00\u7684IP\u5730\u5740\u3002
\n\u6211\u4eec\u5229\u7528IP\u96a7\u9053\u6280\u672f\u5c06\u8bf7\u6c42\u62a5\u6587\u5c01\u88c5\u8f6c \u53d1\u7ed9\u540e\u7aef\u670d\u52a1\u5668\uff0c\u54cd\u5e94\u62a5\u6587\u80fd\u4ece\u540e\u7aef\u670d\u52a1\u5668\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u3002\u4f46\u5728\u8fd9\u91cc\uff0c\u540e\u7aef\u670d\u52a1\u5668\u6709\u4e00\u7ec4\u800c\u975e\u4e00\u4e2a\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u53ef\u80fd\u9759\u6001\u5730\u5efa\u7acb\u4e00\u4e00\u5bf9\u5e94\u7684\u96a7\u9053\uff0c\u800c\u662f\u52a8\u6001\u5730\u9009\u62e9 \u4e00\u53f0\u670d\u52a1\u5668\uff0c\u5c06\u8bf7\u6c42\u62a5\u6587\u5c01\u88c5\u548c\u8f6c\u53d1\u7ed9\u9009\u51fa\u7684\u670d\u52a1\u5668\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528IP\u96a7\u9053\u7684\u539f\u7406\u5c06\u4e00\u7ec4\u670d\u52a1\u5668\u4e0a\u7684\u7f51\u7edc\u670d\u52a1\u7ec4\u6210\u5728\u4e00\u4e2aIP\u5730\u5740\u4e0a\u7684\u865a\u62df\u7f51\u7edc\u670d\u52a1\u3002 VS\/TUN\u7684\u4f53\u7cfb\u7ed3\u6784\u5982\u56fe4\u6240\u793a\uff0c\u5404\u4e2a\u670d\u52a1\u5668\u5c06VIP\u5730\u5740\u914d\u7f6e\u5728\u81ea\u5df1\u7684IP\u96a7\u9053\u8bbe\u5907\u4e0a\u3002
\n

\\\"VS\/TUN\u7684\u4f53\u7cfb\u7ed3\u6784\\\"
\n\u56fe4\uff1aVS\/TUN\u7684\u4f53\u7cfb\u7ed3\u6784<\/b><\/center>VS\/TUN \u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u56fe5\u6240\u793a\uff1a\u5b83\u7684\u8fde\u63a5\u8c03\u5ea6\u548c\u7ba1\u7406\u4e0eVS\/NAT\u4e2d\u7684\u4e00\u6837\uff0c\u53ea\u662f\u5b83\u7684\u62a5\u6587\u8f6c\u53d1\u65b9\u6cd5\u4e0d\u540c\u3002\u8c03\u5ea6\u5668\u6839\u636e\u5404\u4e2a\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u52a8\u6001\u5730\u9009\u62e9\u4e00\u53f0\u670d\u52a1\u5668\uff0c \u5c06\u8bf7\u6c42\u62a5\u6587\u5c01\u88c5\u5728\u53e6\u4e00\u4e2aIP\u62a5\u6587\u4e2d\uff0c\u518d\u5c06\u5c01\u88c5\u540e\u7684IP\u62a5\u6587\u8f6c\u53d1\u7ed9\u9009\u51fa\u7684\u670d\u52a1\u5668\uff1b\u670d\u52a1\u5668\u6536\u5230\u62a5\u6587\u540e\uff0c\u5148\u5c06\u62a5\u6587\u89e3\u5c01\u83b7\u5f97\u539f\u6765\u76ee\u6807\u5730\u5740\u4e3aVIP\u7684\u62a5\u6587\uff0c\u670d\u52a1\u5668\u53d1 \u73b0VIP\u5730\u5740\u88ab\u914d\u7f6e\u5728\u672c\u5730\u7684IP\u96a7\u9053\u8bbe\u5907\u4e0a\uff0c\u6240\u4ee5\u5c31\u5904\u7406\u8fd9\u4e2a\u8bf7\u6c42\uff0c\u7136\u540e\u6839\u636e\u8def\u7531\u8868\u5c06\u54cd\u5e94\u62a5\u6587\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u3002
\n
\\\"VS\/TUN\u7684\u5de5\u4f5c\u6d41\u7a0b\\\"
\n\u56fe5\uff1aVS\/TUN\u7684\u5de5\u4f5c\u6d41\u7a0b<\/b><\/center>\u5728\u8fd9\u91cc\u9700\u8981\u6307\u51fa\uff0c\u6839\u636e\u7f3a\u7701\u7684TCP\/IP\u534f\u8bae\u6808\u5904\u7406\uff0c\u8bf7\u6c42\u62a5\u6587\u7684\u76ee\u6807\u5730\u5740\u4e3aVIP\uff0c\u54cd\u5e94\u62a5\u6587\u7684\u6e90\u5730\u5740\u80af\u5b9a\u4e5f\u4e3aVIP\uff0c\u6240\u4ee5\u54cd\u5e94\u62a5\u6587\u4e0d\u9700\u8981\u4f5c\u4efb\u4f55\u4fee\u6539\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\uff0c\u5ba2\u6237\u8ba4\u4e3a\u5f97\u5230\u6b63\u5e38\u7684\u670d\u52a1\uff0c\u800c\u4e0d\u4f1a\u77e5\u9053\u7a76\u7adf\u662f\u54ea\u4e00\u53f0\u670d\u52a1\u5668\u5904\u7406\u7684\u3002
\n
\\\"\u534a\u8fde\u63a5\u7684TCP\u6709\u9650\u72b6\u6001\u673a\\\"
\n\u56fe6\uff1a\u534a\u8fde\u63a5\u7684TCP\u6709\u9650\u72b6\u6001\u673a<\/b><\/center>5. \u901a\u8fc7\u76f4\u63a5\u8def\u7531\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\uff08VS\/DR\uff09<\/span><\/strong>
\n\u8ddfVS\/TUN \u65b9\u6cd5\u76f8\u540c\uff0cVS\/DR\u5229\u7528\u5927\u591a\u6570Internet\u670d\u52a1\u7684\u975e\u5bf9\u79f0\u7279\u70b9\uff0c\u8d1f\u8f7d\u8c03\u5ea6\u5668\u4e2d\u53ea\u8d1f\u8d23\u8c03\u5ea6\u8bf7\u6c42\uff0c\u800c\u670d\u52a1\u5668\u76f4\u63a5\u5c06\u54cd\u5e94\u8fd4\u56de\u7ed9\u5ba2\u6237\uff0c\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8\u6574\u4e2a\u96c6\u7fa4 \u7cfb\u7edf\u7684\u541e\u5410\u91cf\u3002\u8be5\u65b9\u6cd5\u4e0eIBM\u7684NetDispatcher\u4ea7\u54c1\u4e2d\u4f7f\u7528\u7684\u65b9\u6cd5\u7c7b\u4f3c\uff08\u5176\u4e2d\u670d\u52a1\u5668\u4e0a\u7684IP\u5730\u5740\u914d\u7f6e\u65b9\u6cd5\u662f\u76f8\u4f3c\u7684\uff09\uff0c\u4f46IBM\u7684 NetDispatcher\u662f\u975e\u5e38\u6602\u8d35\u7684\u5546\u54c1\u5316\u4ea7\u54c1\uff0c\u6211\u4eec\u4e5f\u4e0d\u77e5\u9053\u5b83\u5185\u90e8\u6240\u4f7f\u7528\u7684\u673a\u5236\uff0c\u5176\u4e2d\u6709\u4e9b\u662fIBM\u7684\u4e13\u5229\u3002
\nVS\/DR\u7684\u4f53\u7cfb\u7ed3\u6784\u5982\u56fe 7\u6240\u793a\uff1a\u8c03\u5ea6\u5668\u548c\u670d\u52a1\u5668\u7ec4\u90fd\u5fc5\u987b\u5728\u7269\u7406\u4e0a\u6709\u4e00\u4e2a\u7f51\u5361\u901a\u8fc7\u4e0d\u5206\u65ad\u7684\u5c40\u57df\u7f51\u76f8\u8fde\uff0c\u5982\u901a\u8fc7\u9ad8\u901f\u7684\u4ea4\u6362\u673a\u6216\u8005HUB\u76f8\u8fde\u3002VIP\u5730\u5740\u4e3a\u8c03\u5ea6\u5668\u548c\u670d\u52a1\u5668\u7ec4\u5171\u4eab\uff0c\u8c03\u5ea6 \u5668\u914d\u7f6e\u7684VIP\u5730\u5740\u662f\u5bf9\u5916\u53ef\u89c1\u7684\uff0c\u7528\u4e8e\u63a5\u6536\u865a\u62df\u670d\u52a1\u7684\u8bf7\u6c42\u62a5\u6587\uff1b\u6240\u6709\u7684\u670d\u52a1\u5668\u628aVIP\u5730\u5740\u914d\u7f6e\u5728\u5404\u81ea\u7684Non-ARP\u7f51\u7edc\u8bbe\u5907\u4e0a\uff0c\u5b83\u5bf9\u5916\u9762\u662f\u4e0d\u53ef\u89c1\u7684\uff0c\u53ea \u662f\u7528\u4e8e\u5904\u7406\u76ee\u6807\u5730\u5740\u4e3aVIP\u7684\u7f51\u7edc\u8bf7\u6c42\u3002
\n
\\\"VS\/DR\u7684\u4f53\u7cfb\u7ed3\u6784\\\"
\n\u56fe7\uff1aVS\/DR\u7684\u4f53\u7cfb\u7ed3\u6784<\/b><\/center>VS\/DR \u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u56fe8\u6240\u793a\uff1a\u5b83\u7684\u8fde\u63a5\u8c03\u5ea6\u548c\u7ba1\u7406\u4e0eVS\/NAT\u548cVS\/TUN\u4e2d\u7684\u4e00\u6837\uff0c\u5b83\u7684\u62a5\u6587\u8f6c\u53d1\u65b9\u6cd5\u53c8\u6709\u4e0d\u540c\uff0c\u5c06\u62a5\u6587\u76f4\u63a5\u8def\u7531\u7ed9\u76ee\u6807\u670d\u52a1\u5668\u3002\u5728VS\/DR \u4e2d\uff0c\u8c03\u5ea6\u5668\u6839\u636e\u5404\u4e2a\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u52a8\u6001\u5730\u9009\u62e9\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u4e0d\u4fee\u6539\u4e5f\u4e0d\u5c01\u88c5IP\u62a5\u6587\uff0c\u800c\u662f\u5c06\u6570\u636e\u5e27\u7684MAC\u5730\u5740\u6539\u4e3a\u9009\u51fa\u670d\u52a1\u5668\u7684MAC\u5730\u5740\uff0c\u518d\u5c06\u4fee\u6539\u540e \u7684\u6570\u636e\u5e27\u5728\u4e0e\u670d\u52a1\u5668\u7ec4\u7684\u5c40\u57df\u7f51\u4e0a\u53d1\u9001\u3002\u56e0\u4e3a\u6570\u636e\u5e27\u7684MAC\u5730\u5740\u662f\u9009\u51fa\u7684\u670d\u52a1\u5668\uff0c\u6240\u4ee5\u670d\u52a1\u5668\u80af\u5b9a\u53ef\u4ee5\u6536\u5230\u8fd9\u4e2a\u6570\u636e\u5e27\uff0c\u4ece\u4e2d\u53ef\u4ee5\u83b7\u5f97\u8be5IP\u62a5\u6587\u3002\u5f53\u670d\u52a1\u5668\u53d1\u73b0 \u62a5\u6587\u7684\u76ee\u6807\u5730\u5740VIP\u662f\u5728\u672c\u5730\u7684\u7f51\u7edc\u8bbe\u5907\u4e0a\uff0c\u670d\u52a1\u5668\u5904\u7406\u8fd9\u4e2a\u62a5\u6587\uff0c\u7136\u540e\u6839\u636e\u8def\u7531\u8868\u5c06\u54cd\u5e94\u62a5\u6587\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u3002
\n
\\\"VS\/DR\u7684\u5de5\u4f5c\u6d41\u7a0b\\\"
\n\u56fe8\uff1aVS\/DR\u7684\u5de5\u4f5c\u6d41\u7a0b<\/b><\/center>\u5728VS\/DR\u4e2d\uff0c\u6839\u636e\u7f3a\u7701\u7684TCP\/IP\u534f\u8bae\u6808\u5904\u7406\uff0c\u8bf7\u6c42\u62a5\u6587\u7684\u76ee\u6807\u5730\u5740\u4e3aVIP\uff0c\u54cd\u5e94\u62a5\u6587\u7684\u6e90\u5730\u5740\u80af\u5b9a\u4e5f\u4e3aVIP\uff0c\u6240\u4ee5\u54cd\u5e94\u62a5\u6587\u4e0d\u9700\u8981\u4f5c\u4efb\u4f55\u4fee\u6539\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\uff0c\u5ba2\u6237\u8ba4\u4e3a\u5f97\u5230\u6b63\u5e38\u7684\u670d\u52a1\uff0c\u800c\u4e0d\u4f1a\u77e5\u9053\u662f\u54ea\u4e00\u53f0\u670d\u52a1\u5668\u5904\u7406\u7684\u3002
\nVS\/DR\u8d1f\u8f7d\u8c03\u5ea6\u5668\u8ddfVS\/TUN\u4e00\u6837\u53ea\u5904\u4e8e\u4ece\u5ba2\u6237\u5230\u670d\u52a1\u5668\u7684\u534a\u8fde\u63a5\u4e2d\uff0c\u6309\u7167\u534a\u8fde\u63a5\u7684TCP\u6709\u9650\u72b6\u6001\u673a\u8fdb\u884c\u72b6\u6001\u8fc1\u79fb\u3002
\n6.\u4e09\u79cd\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u6bd4\u8f83<\/span><\/strong>
\n\u4e09\u79cdIP\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u7684\u4f18\u7f3a\u70b9\u5f52\u7eb3\u5728\u4e0b\u8868\u4e2d\uff1a<\/p>\n\n\n\n\n\n\n\n
_<\/td>\nVS\/NAT<\/td>\nVS\/TUN<\/td>\nVS\/DR<\/td>\n<\/tr>\n
Server<\/td>\nany<\/td>\nTunneling<\/td>\nNon-arp device<\/td>\n<\/tr>\n
server network<\/td>\nprivate<\/td>\nLAN\/WAN<\/td>\nLAN<\/td>\n<\/tr>\n
server number<\/td>\nlow (10~20)<\/td>\nHigh (100)<\/td>\nHigh (100)<\/td>\n<\/tr>\n
server gateway<\/td>\nload balancer<\/td>\nown router<\/td>\nOwn router<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6ce8\uff1a \u4ee5\u4e0a\u4e09\u79cd\u65b9\u6cd5\u6240\u80fd\u652f\u6301\u6700\u5927\u670d\u52a1\u5668\u6570\u76ee\u7684\u4f30\u8ba1\u662f\u5047\u8bbe\u8c03\u5ea6\u5668\u4f7f\u7528100M\u7f51\u5361\uff0c\u8c03\u5ea6\u5668\u7684\u786c\u4ef6\u914d\u7f6e\u4e0e\u540e\u7aef\u670d\u52a1\u5668\u7684\u786c\u4ef6\u914d\u7f6e\u76f8\u540c\uff0c\u800c\u4e14\u662f\u5bf9\u4e00\u822cWeb\u670d\u52a1\u3002\u4f7f\u7528\u66f4 \u9ad8\u7684\u786c\u4ef6\u914d\u7f6e\uff08\u5982\u5343\u5146\u7f51\u5361\u548c\u66f4\u5feb\u7684\u5904\u7406\u5668\uff09\u4f5c\u4e3a\u8c03\u5ea6\u5668\uff0c\u8c03\u5ea6\u5668\u6240\u80fd\u8c03\u5ea6\u7684\u670d\u52a1\u5668\u6570\u91cf\u4f1a\u76f8\u5e94\u589e\u52a0\u3002\u5f53\u5e94\u7528\u4e0d\u540c\u65f6\uff0c\u670d\u52a1\u5668\u7684\u6570\u76ee\u4e5f\u4f1a\u76f8\u5e94\u5730\u6539\u53d8\u3002\u6240\u4ee5\uff0c\u4ee5\u4e0a\u6570 \u636e\u4f30\u8ba1\u4e3b\u8981\u662f\u4e3a\u4e09\u79cd\u65b9\u6cd5\u7684\u4f38\u7f29\u6027\u8fdb\u884c\u91cf\u5316\u6bd4\u8f83\u3002
\n6.1. Virtual Server via NAT<\/span>
\nVS\/NAT \u7684\u4f18\u70b9\u662f\u670d\u52a1\u5668\u53ef\u4ee5\u8fd0\u884c\u4efb\u4f55\u652f\u6301TCP\/IP\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5b83\u53ea\u9700\u8981\u4e00\u4e2aIP\u5730\u5740\u914d\u7f6e\u5728\u8c03\u5ea6\u5668\u4e0a\uff0c\u670d\u52a1\u5668\u7ec4\u53ef\u4ee5\u7528\u79c1\u6709\u7684IP\u5730\u5740\u3002\u7f3a\u70b9\u662f\u5b83\u7684\u4f38\u7f29\u80fd\u529b\u6709\u9650\uff0c \u5f53\u670d\u52a1\u5668\u7ed3\u70b9\u6570\u76ee\u5347\u523020\u65f6\uff0c\u8c03\u5ea6\u5668\u672c\u8eab\u6709\u53ef\u80fd\u6210\u4e3a\u7cfb\u7edf\u7684\u65b0\u74f6\u9888\uff0c\u56e0\u4e3a\u5728VS\/NAT\u4e2d\u8bf7\u6c42\u548c\u54cd\u5e94\u62a5\u6587\u90fd\u9700\u8981\u901a\u8fc7\u8d1f\u8f7d\u8c03\u5ea6\u5668\u3002 \u6211\u4eec\u5728Pentium 166 \u5904\u7406\u5668\u7684\u4e3b\u673a\u4e0a\u6d4b\u5f97\u91cd\u5199\u62a5\u6587\u7684\u5e73\u5747\u5ef6\u65f6\u4e3a60us\uff0c\u6027\u80fd\u66f4\u9ad8\u7684\u5904\u7406\u5668\u4e0a\u5ef6\u65f6\u4f1a\u77ed\u4e00\u4e9b\u3002\u5047\u8bbeTCP\u62a5\u6587\u7684\u5e73\u5747\u957f\u5ea6\u4e3a536 Bytes\uff0c\u5219\u8c03\u5ea6\u5668\u7684\u6700\u5927\u541e\u5410\u91cf\u4e3a8.93 MBytes\/s. \u6211\u4eec\u518d\u5047\u8bbe\u6bcf\u53f0\u670d\u52a1\u5668\u7684\u541e\u5410\u91cf\u4e3a800KBytes\/s\uff0c\u8fd9\u6837\u4e00\u4e2a\u8c03\u5ea6\u5668\u53ef\u4ee5\u5e26\u52a810\u53f0\u670d\u52a1\u5668\u3002\uff08\u6ce8\uff1a\u8fd9\u662f\u5f88\u65e9\u4ee5\u524d\u6d4b\u5f97\u7684\u6570\u636e\uff09
\n\u57fa\u4e8e VS\/NAT\u7684\u7684\u96c6\u7fa4\u7cfb\u7edf\u53ef\u4ee5\u9002\u5408\u8bb8\u591a\u670d\u52a1\u5668\u7684\u6027\u80fd\u8981\u6c42\u3002\u5982\u679c\u8d1f\u8f7d\u8c03\u5ea6\u5668\u6210\u4e3a\u7cfb\u7edf\u65b0\u7684\u74f6\u9888\uff0c\u53ef\u4ee5\u6709\u4e09\u79cd\u65b9\u6cd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a\u6df7\u5408\u65b9\u6cd5\u3001VS\/TUN\u548c VS\/DR\u3002\u5728DNS\u6df7\u5408\u96c6\u7fa4\u7cfb\u7edf\u4e2d\uff0c\u6709\u82e5\u5e72\u4e2aVS\/NAT\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff0c\u6bcf\u4e2a\u8d1f\u8f7d\u8c03\u5ea6\u5668\u5e26\u81ea\u5df1\u7684\u670d\u52a1\u5668\u96c6\u7fa4\uff0c\u540c\u65f6\u8fd9\u4e9b\u8d1f\u8f7d\u8c03\u5ea6\u5668\u53c8\u901a\u8fc7RR-DNS\u7ec4\u6210\u7b80 \u5355\u7684\u57df\u540d\u3002\u4f46VS\/TUN\u548cVS\/DR\u662f\u63d0\u9ad8\u7cfb\u7edf\u541e\u5410\u91cf\u7684\u66f4\u597d\u65b9\u6cd5\u3002
\n\u5bf9\u4e8e\u90a3\u4e9b\u5c06IP\u5730\u5740\u6216\u8005\u7aef\u53e3\u53f7\u5728\u62a5\u6587\u6570\u636e\u4e2d\u4f20\u9001\u7684\u7f51\u7edc\u670d\u52a1\uff0c\u9700\u8981\u7f16\u5199\u76f8\u5e94\u7684\u5e94\u7528\u6a21\u5757\u6765\u8f6c\u6362\u62a5\u6587\u6570\u636e\u4e2d\u7684IP\u5730\u5740\u6216\u8005\u7aef\u53e3\u53f7\u3002\u8fd9\u4f1a\u5e26\u6765\u5b9e\u73b0\u7684\u5de5\u4f5c\u91cf\uff0c\u540c\u65f6\u5e94\u7528\u6a21\u5757\u68c0\u67e5\u62a5\u6587\u7684\u5f00\u9500\u4f1a\u964d\u4f4e\u7cfb\u7edf\u7684\u541e\u5410\u7387\u3002
\n6.2. Virtual Server via IP Tunneling<\/span>
\n\u5728VS\/TUN \u7684\u96c6\u7fa4\u7cfb\u7edf\u4e2d\uff0c\u8d1f\u8f7d\u8c03\u5ea6\u5668\u53ea\u5c06\u8bf7\u6c42\u8c03\u5ea6\u5230\u4e0d\u540c\u7684\u540e\u7aef\u670d\u52a1\u5668\uff0c\u540e\u7aef\u670d\u52a1\u5668\u5c06\u5e94\u7b54\u7684\u6570\u636e\u76f4\u63a5\u8fd4\u56de\u7ed9\u7528\u6237\u3002\u8fd9\u6837\uff0c\u8d1f\u8f7d\u8c03\u5ea6\u5668\u5c31\u53ef\u4ee5\u5904\u7406\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u5b83\u751a\u81f3\u53ef\u4ee5\u8c03 \u5ea6\u767e\u53f0\u4ee5\u4e0a\u7684\u670d\u52a1\u5668\uff08\u540c\u7b49\u89c4\u6a21\u7684\u670d\u52a1\u5668\uff09\uff0c\u800c\u5b83\u4e0d\u4f1a\u6210\u4e3a\u7cfb\u7edf\u7684\u74f6\u9888\u3002\u5373\u4f7f\u8d1f\u8f7d\u8c03\u5ea6\u5668\u53ea\u6709100Mbps\u7684\u5168\u53cc\u5de5\u7f51\u5361\uff0c\u6574\u4e2a\u7cfb\u7edf\u7684\u6700\u5927\u541e\u5410\u91cf\u53ef\u8d85\u8fc7 1Gbps\u3002\u6240\u4ee5\uff0cVS\/TUN\u53ef\u4ee5\u6781\u5927\u5730\u589e\u52a0\u8d1f\u8f7d\u8c03\u5ea6\u5668\u8c03\u5ea6\u7684\u670d\u52a1\u5668\u6570\u91cf\u3002VS\/TUN\u8c03\u5ea6\u5668\u53ef\u4ee5\u8c03\u5ea6\u4e0a\u767e\u53f0\u670d\u52a1\u5668\uff0c\u800c\u5b83\u672c\u8eab\u4e0d\u4f1a\u6210\u4e3a\u7cfb\u7edf\u7684\u74f6\u9888\uff0c\u53ef\u4ee5 \u7528\u6765\u6784\u5efa\u9ad8\u6027\u80fd\u7684\u8d85\u7ea7\u670d\u52a1\u5668\u3002
\nVS\/TUN\u6280\u672f\u5bf9\u670d\u52a1\u5668\u6709\u8981\u6c42\uff0c\u5373\u6240\u6709\u7684\u670d\u52a1\u5668\u5fc5\u987b\u652f\u6301\u201cIP Tunneling\u201d\u6216\u8005\u201cIP Encapsulation\u201d\u534f\u8bae\u3002\u76ee\u524d\uff0cVS\/TUN\u7684\u540e\u7aef\u670d\u52a1\u5668\u4e3b\u8981\u8fd0\u884cLinux\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6211\u4eec\u6ca1\u5bf9\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u8fdb\u884c\u6d4b\u8bd5\u3002\u56e0\u4e3a\u201cIP Tunneling\u201d\u6b63\u6210\u4e3a\u5404\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u7684\u6807\u51c6\u534f\u8bae\uff0c\u6240\u4ee5VS\/TUN\u5e94\u8be5\u4f1a\u9002\u7528\u8fd0\u884c\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u540e\u7aef\u670d\u52a1\u5668\u3002
\n6.3. Virtual Server via Direct Routing<\/span>
\n\u8ddfVS\/TUN\u65b9\u6cd5\u4e00\u6837\uff0cVS\/DR\u8c03\u5ea6\u5668\u53ea\u5904\u7406\u5ba2\u6237\u5230\u670d\u52a1\u5668\u7aef\u7684\u8fde\u63a5\uff0c\u54cd\u5e94\u6570\u636e\u53ef\u4ee5\u76f4\u63a5\u4ece\u72ec\u7acb\u7684\u7f51\u7edc\u8def\u7531\u8fd4\u56de\u7ed9\u5ba2\u6237\u3002\u8fd9\u53ef\u4ee5\u6781\u5927\u5730\u63d0\u9ad8LVS\u96c6\u7fa4\u7cfb\u7edf\u7684\u4f38\u7f29\u6027\u3002
\n\u8ddfVS\/TUN\u76f8\u6bd4\uff0c\u8fd9\u79cd\u65b9\u6cd5\u6ca1\u6709IP\u96a7\u9053\u7684\u5f00\u9500\uff0c\u4f46\u662f\u8981\u6c42\u8d1f\u8f7d\u8c03\u5ea6\u5668\u4e0e\u5b9e\u9645\u670d\u52a1\u5668\u90fd\u6709\u4e00\u5757\u7f51\u5361\u8fde\u5728\u540c\u4e00\u7269\u7406\u7f51\u6bb5\u4e0a\uff0c\u670d\u52a1\u5668\u7f51\u7edc\u8bbe\u5907\uff08\u6216\u8005\u8bbe\u5907\u522b\u540d\uff09\u4e0d\u4f5cARP\u54cd\u5e94\uff0c\u6216\u8005\u80fd\u5c06\u62a5\u6587\u91cd\u5b9a\u5411\uff08Redirect\uff09\u5230\u672c\u5730\u7684Socket\u7aef\u53e3\u4e0a\u3002
\n7.\u5c0f\u7ed3<\/span><\/strong>
\n\u672c\u6587\u4e3b\u8981\u8bb2\u8ff0\u4e86LVS\u96c6\u7fa4\u4e2d\u7684\u4e09\u79cdIP\u8d1f\u8f7d\u5747\u8861\u6280\u672f\u3002\u5728\u5206\u6790\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u65b9\u6cd5\uff08VS\/NAT\uff09\u7684\u7f3a\u70b9\u548c\u7f51\u7edc\u670d\u52a1\u7684\u975e\u5bf9\u79f0\u6027\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u7ed9\u51fa\u4e86\u901a\u8fc7IP\u96a7\u9053\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\u7684\u65b9\u6cd5VS\/TUN\uff0c\u548c\u901a\u8fc7\u76f4\u63a5\u8def\u7531\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\u7684\u65b9\u6cd5VS\/DR\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u4f38\u7f29\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

1.\u524d\u8a00 \u53ef\u4f38\u7f29\u7f51\u7edc\u670d\u52a1\u7684\u51e0\u79cd\u7ed3\u6784\uff0c\u5b83\u4eec\u90fd\u9700\u8981\u4e00\u4e2a\u524d\u7aef\u7684\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff08\u6216\u8005\u591a\u4e2a\u8fdb\u884c\u4e3b\u4ece\u5907\u4efd\uff09\u3002\u6211\u4eec\u5148\u5206\u6790\u5b9e\u73b0\u865a\u62df …<\/p>\n

LVS\u96c6\u7fa4\u4e2d\u7684IP\u8d1f\u8f7d\u5747\u8861\u6280\u672f<\/span> \u67e5\u770b\u5168\u6587 »<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[111],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":0,"uagb_excerpt":"1.\u524d\u8a00 \u53ef\u4f38\u7f29\u7f51\u7edc\u670d\u52a1\u7684\u51e0\u79cd\u7ed3\u6784\uff0c\u5b83\u4eec\u90fd\u9700\u8981\u4e00\u4e2a\u524d\u7aef\u7684\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff08\u6216\u8005\u591a\u4e2a\u8fdb\u884c\u4e3b\u4ece\u5907\u4efd\uff09\u3002\u6211\u4eec\u5148\u5206\u6790\u5b9e\u73b0\u865a\u62df…","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1195"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1195"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1195\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1195"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}