{"id":102,"date":"2020-09-29T18:25:22","date_gmt":"2020-09-29T10:25:22","guid":{"rendered":"http:\/\/blog.kijk.top\/?p=102"},"modified":"2020-09-29T18:25:22","modified_gmt":"2020-09-29T10:25:22","slug":"%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e7%9a%84%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"http:\/\/blog.kijk.top\/?p=102","title":{"rendered":"\u8d1f\u8f7d\u5747\u8861\u7684\u539f\u7406"},"content":{"rendered":"\n

\u672c\u6587\u8f6c\u8f7d\u4e8e\uff1ahttps:\/\/mp.weixin.qq.com\/s\/NUFRX51D9Yf9yzRQnPeWlg<\/a><\/p>\n\n\n\n

\u8fd9\u662f1998\u5e74\u4e00\u4e2a\u666e\u901a\u7684\u4e0a\u5348\u3002<\/p>\n\n\n\n

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\uff08\u7801\u519c\u7ffb\u8eab\u6ce8\uff1a\u8fd9\u53eb\u5782\u76f4\u6269\u5c55 Scale Up\uff09<\/p>\n\n\n\n

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\u8001\u677f\u4e0d\u7ba1\u8fc7\u7a0b\uff0c\u53ea\u8981\u7ed3\u679c\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

1\u3001\u9690\u85cf\u771f\u5b9e\u670d\u52a1\u5668<\/h3>\n\n\n\n

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Bill\u7b11\u4e86\uff1a\u201c\u6211\u6700\u8fd1\u4e5f\u5728\u601d\u8003\u8fd9\u4ef6\u4e8b\uff0c\u60f3\u548c\u4f60\u5546\u91cf\u4e00\u4e0b\uff0c\u770b\u770b\u80fd\u4e0d\u80fd\u4e70\u51e0\u53f0\u4fbf\u5b9c\u7684\u670d\u52a1\u5668\uff0c\u628a\u7cfb\u7edf\u591a\u90e8\u7f72\u51e0\u4efd\uff0c\u6a2a\u5411\u6269\u5c55(Scale Out)\u4e00\u4e0b\u3002 \u201d<\/p>\n\n\n\n

\u6a2a\u5411\u6269\u5c55\uff1f \u5f20\u5927\u80d6\u5fc3\u4e2d\u5bfb\u601d\u7740\uff0c\u5982\u679c\u628a\u7cfb\u7edf\u90e8\u7f72\u5230\u51e0\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u7528\u6237\u7684\u8bbf\u95ee\u8bf7\u6c42\u5c31\u53ef\u4ee5\u5206\u6563\u5230\u5404\u4e2a\u670d\u52a1\u5668\uff0c\u90a3\u5355\u53f0\u670d\u52a1\u5668\u7684\u538b\u529b\u5c31\u5c0f\u5f97\u591a\u4e86\u3002<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\u5f20\u5927\u80d6\u773c\u524d\u4e00\u4eae\uff0c \u7a81\u7136\u6709\u4e86\u4e3b\u610f\uff1a\u201c\u6709\u4e86\uff01\u6211\u4eec\u6709\u4e2a\u4e2d\u95f4\u5c42\u554a\uff0c\u5bf9\uff0c\u5c31\u662fDNS\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e0b\uff0c\u8ba9\u6211\u4eec\u7f51\u7ad9\u7684\u57df\u540d\u6620\u5c04\u5230\u591a\u4e2a\u670d\u52a1\u5668\u7684IP\uff0c\u7528\u6237\u9762\u5bf9\u7684\u662f\u6211\u4eec\u7cfb\u7edf\u7684\u57df\u540d\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u91c7\u7528\u4e00\u79cd\u8f6e\u8be2\u7684\u65b9\u5f0f\uff0c \u7528\u62371\u7684\u673a\u5668\u505a\u57df\u540d\u89e3\u6790\u7684\u65f6\u5019\uff0cDNS\u8fd4\u56deIP1, \u7528\u62372\u7684\u673a\u5668\u505a\u57df\u540d\u89e3\u6790\u7684\u65f6\u5019\uff0cDNS\u8fd4\u56deIP2…… \u8fd9\u6837\u4e0d\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5404\u4e2a\u673a\u5668\u7684\u8d1f\u8f7d\u76f8\u5bf9\u5747\u8861\u4e86\u5417\uff1f\u201d<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Bill \u601d\u8003\u7247\u523b\uff0c\u53d1\u73b0\u4e86\u6f0f\u6d1e\uff1a\u201c\u8fd9\u6837\u505a\u6709\u4e2a\u5f88\u8981\u547d\u7684\u95ee\u9898\uff0c\u7531\u4e8eDNS\u8fd9\u4e2a\u5206\u5c42\u7684\u7cfb\u7edf\u4e2d\u6709\u7f13\u5b58<\/strong>\uff0c\u7528\u6237\u7aef\u7684\u673a\u5668\u4e5f\u6709\u7f13\u5b58\uff0c\u5982\u679c\u67d0\u4e2a\u673a\u5668\u51fa\u6545\u969c\uff0c\u57df\u540d\u89e3\u6790\u4ecd\u7136\u4f1a\u8fd4\u56de\u90a3\u4e2a\u51fa\u95ee\u9898\u673a\u5668\u7684IP\uff0c\u90a3\u6240\u6709\u8bbf\u95ee\u8be5\u673a\u5668\u7684\u7528\u6237\u90fd\u4f1a\u51fa\u95ee\u9898\uff0c \u5373\u4f7f\u6211\u4eec\u628a\u8fd9\u4e2a\u673a\u5668\u7684IP\u4eceDNS\u4e2d\u5220\u9664\u4e5f\u4e0d\u884c\uff0c \u8fd9\u5c31\u9ebb\u70e6\u4e86\u3002\u201d<\/p>\n\n\n\n

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<\/p>\n\n\n\n

2\u3001\u5077\u5929\u6362\u65e5<\/strong><\/h3>\n\n\n\n

\u201c\u8981\u4e0d\u6211\u4eec\u81ea\u5df1\u5f00\u53d1\u4e00\u4e2a\u8f6f\u4ef6\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u600e\u4e48\u6837\uff1f\u201d Bill\u53e6\u8f9f\u8e4a\u5f84\u3002<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u4ed4\u7ec6\u5ba1\u89c6\u8fd9\u4e2a\u56fe\u3002<\/p>\n\n\n\n

Load Balancer \u7b80\u79f0LB <\/strong>\uff0c \u6709\u4e24\u4e2aIP\uff0c\u4e00\u4e2a\u5bf9\u5916\uff08115.39.19.22\uff09\uff0c\u4e00\u4e2a\u5bf9\u5185(192.168.0.100)\u3002\u7528\u6237\u770b\u5230\u7684\u662f\u90a3\u4e2a\u5bf9\u5916\u7684IP\u3002 \u540e\u9762\u7684\u771f\u6b63\u63d0\u4f9b\u670d\u52a1\u7684\u670d\u52a1\u5668\u6709\u4e09\u4e2a\uff0c\u79f0\u4e3aRS1, RS2,RS3<\/strong>\uff0c \u4ed6\u4eec\u7684\u7f51\u5173\u90fd\u6307\u5411LB\u3002<\/p>\n\n\n\n

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<\/p>\n\n\n\n

\"\"
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Bill \u8bf4\uff1a \u201c\u53ef\u4ee5\u5077\u5929\u6362\u65e5\uff0c\u6bd4\u5982Load Balancer\u60f3\u628a\u8fd9\u4e2a\u6570\u636e\u5305\u53d1\u7ed9RS1\uff08192.168.0.10\uff09, \u5c31\u53ef\u4ee5\u505a\u70b9\u624b\u811a\uff0c\u628a\u8fd9\u4e2a\u6570\u636e\u5305\u6539\u6210\u8fd9\u6837\uff0c \u7136\u540e\u8fd9\u4e2aIP\u6570\u636e\u5305\u5c31\u53ef\u4ee5\u8f6c\u53d1\u7ed9RS1\u53bb\u5904\u7406\u4e86\u3002\u201d<\/p>\n\n\n\n

\"\"
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\"\"
\uff08RS1\u5904\u7406\u5b8c\u4e86\uff0c\u8981\u53d1\u9001\u7ed3\u679c\u7ed9\u5ba2\u6237\u7aef\uff09
<\/figcaption><\/figure><\/div>\n\n\n\n

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<\/p>\n\n\n\n

\"\"
(LB\u518d\u6b21\u52a8\u624b\u811a\uff0c\u628a\u6e90\u5730\u5740\u548c\u7aef\u53e3\u6539\u6210\u81ea\u5df1\u7684\uff0c \u8ba9\u5ba2\u6237\u7aef\u6beb\u65e0\u5bdf\u89c9)<\/figcaption><\/figure><\/div>\n\n\n\n

\u5f20\u5927\u80d6\u603b\u7ed3\u4e86\u4e00\u4e0b\u6570\u636e\u7684\u6d41\u5411\uff1a<\/p>\n\n\n\n

\u5ba2\u6237\u7aef –> Load Balancer –> RS –> Load Balancer –> \u5ba2\u6237\u7aef<\/p>\n\n\n\n

\u4ed6\u5174\u594b\u5730\u8bf4\uff1a\u201c\u8fd9\u62db\u7792\u5929\u8fc7\u6d77\u771f\u662f\u5999\u554a\uff0c\u5ba2\u6237\u7aef\u6839\u672c\u5c31\u611f\u53d7\u4e0d\u5230\u540e\u9762\u6709\u597d\u51e0\u53f0\u670d\u52a1\u5668\u5728\u5de5\u4f5c\uff0c\u5b83\u4e00\u76f4\u4ee5\u4e3a\u53ea\u6709Load Balancer\u5728\u5e72\u6d3b\u3002\u201d<\/p>\n\n\n\n

Bill\u6b64\u523b\u5728\u601d\u8003Load Balancer \u600e\u4e48\u6837\u624d\u80fd\u9009\u53d6\u540e\u9762\u7684\u5404\u4e2a\u771f\u5b9e\u7684\u670d\u52a1\u5668\uff0c \u53ef\u4ee5\u6709\u5f88\u591a\u79cd\u7b56\u7565\uff0c\u4ed6\u5728\u767d\u677f\u4e0a\u5199\u5230\uff1a<\/p>\n\n\n\n

\u8f6e\u8be2\uff1a \u8fd9\u4e2a\u6700\u7b80\u5355\uff0c\u5c31\u662f\u4e00\u4e2a\u6328\u4e00\u4e2a\u8f6e\u6362\u3002<\/p>\n\n\n\n

\u52a0\u6743\u8f6e\u8be2\uff1a \u4e3a\u4e86\u5e94\u5bf9\u67d0\u4e9b\u670d\u52a1\u5668\u6027\u80fd\u597d\uff0c\u53ef\u4ee5\u8ba9\u4ed6\u4eec\u7684\u6743\u91cd\u9ad8\u4e00\u70b9\uff0c\u88ab\u9009\u4e2d\u7684\u51e0\u7387\u5927\u4e00\u70b9\u3002<\/p>\n\n\n\n

\u6700\u5c11\u8fde\u63a5\uff1a \u54ea\u4e2a\u670d\u52a1\u5668\u5904\u7406\u7684\u8fde\u63a5\u5c11\uff0c\u5c31\u53d1\u7ed9\u8c01\u3002<\/p>\n\n\n\n

\u52a0\u6743\u6700\u5c11\u8fde\u63a5\uff1a\u5728\u6700\u5c11\u8fde\u63a5\u7684\u57fa\u7840\u4e0a\uff0c\u4e5f\u52a0\u4e0a\u6743\u91cd<\/p>\n\n\n\n

……<\/p>\n\n\n\n

\u8fd8\u6709\u4e9b\u5176\u4ed6\u7684\u7b97\u6cd5\u548c\u7b56\u7565\uff0c\u4ee5\u540e\u6162\u6162\u60f3\u3002<\/p>\n\n\n\n

3\u3001\u56db\u5c42\u8fd8\u662f\u4e03\u5c42\uff1f<\/strong><\/h3>\n\n\n\n

\u5f20\u5927\u80d6\u5374\u60f3\u5230\u4e86\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff1a \u5bf9\u4e8e\u7528\u6237\u7684\u4e00\u4e2a\u8bf7\u6c42\u6765\u8bf4\uff0c\u53ef\u80fd\u4f1a\u88ab\u5206\u6210\u591a\u4e2a\u6570\u636e\u5305\u6765\u53d1\u9001\uff0c \u5982\u679c\u8fd9\u4e9b\u6570\u636e\u5305\u88ab\u6211\u4eec\u7684Load Balancer\u53d1\u5230\u4e86\u4e0d\u540c\u7684\u673a\u5668\u4e0a\uff0c\u90a3\u5c31\u5b8c\u5168\u4e71\u5957\u4e86\u554a<\/strong>\uff01  \u4ed6\u628a\u81ea\u5df1\u7684\u60f3\u6cd5\u544a\u8bc9\u4e86Bill\u3002<\/p>\n\n\n\n

Bill\u8bf4\uff1a\u201c\u8fd9\u4e2a\u95ee\u9898\u5f88\u597d\u554a\uff0c\u6211\u4eec\u7684Load Balancer\u5fc5\u987b\u5f97\u7ef4\u62a4\u4e00\u4e2a\u8868\uff0c\u8fd9\u4e2a\u8868\u9700\u8981\u8bb0\u5f55\u4e0b\u5ba2\u6237\u7aef\u7684\u6570\u636e\u5305\u88ab\u6211\u4eec\u8f6c\u53d1\u5230\u4e86\u54ea\u4e2a\u771f\u5b9e\u7684\u670d\u52a1\u5668\u4e0a\uff0c \u8fd9\u6837\u5f53\u4e0b\u4e00\u4e2a\u6570\u636e\u5305\u5230\u6765\u65f6\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u5b83\u8f6c\u53d1\u5230\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u4e0a\u53bb\u3002\u201d<\/p>\n\n\n\n

\u201c\u770b\u6765\u8fd9\u4e2a\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u9700\u8981\u662f\u9762\u5411\u8fde\u63a5\u7684\uff0c\u4e5f\u5c31\u662fOSI\u7f51\u7edc\u4f53\u7cfb\u7684\u7b2c4\u5c42\uff0c \u53ef\u4ee5\u79f0\u4e3a\u56db\u5c42\u8d1f\u8f7d\u5747\u8861<\/strong>\u201dBill\u505a\u4e86\u4e00\u4e2a\u603b\u7ed3\u3002<\/p>\n\n\n\n

\u201c\u65e2\u7136\u6709\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\uff0c\u90a3\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u641e\u4e2a\u4e03\u5c42\u7684\u8d1f\u8f7d\u5747\u8861\u554a\uff1f\u201d \u5f20\u5927\u80d6\u7a81\u53d1\u5947\u60f3\u3002<\/p>\n\n\n\n

\u201c\u90a3\u662f\u80af\u5b9a\u7684\uff0c\u5982\u679c\u6211\u4eec\u7684Load Balancer\u628aHTTP\u5c42\u7684\u62a5\u6587\u6570\u636e\u53d6\u51fa\u6765\uff0c\u6839\u636e\u5176\u4e2d\u7684URL\uff0c\u6d4f\u89c8\u5668\uff0c\u8bed\u8a00\u7b49\u4fe1\u606f\uff0c\u628a\u8bf7\u6c42\u5206\u53d1\u5230\u540e\u9762\u771f\u5b9e\u7684\u670d\u52a1\u5668\u53bb\uff0c\u90a3\u5c31\u662f\u4e03\u5c42\u7684\u8d1f\u8f7d\u5747\u8861\u4e86\u3002\u4e0d\u8fc7\u6211\u4eec\u73b0\u9636\u6bb5\u5148\u5b9e\u73b0\u4e00\u4e2a\u56db\u5c42\u7684\u5427\uff0c\u4e03\u5c42\u7684\u4ee5\u540e\u518d\u8bf4\u3002\u201d<\/p>\n\n\n\n

Bill \u5429\u5490\u5f20\u5927\u80d6\u7ec4\u7ec7\u4eba\u529b\u628a\u8fd9\u4e2a\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u7ed9\u5f00\u53d1\u51fa\u6765\u3002<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u4e0d\u6562\u6020\u6162\uff0c\u7531\u4e8e\u6d89\u53ca\u5230\u534f\u8bae\u7684\u7ec6\u8282\u95ee\u9898\uff0c\u5f20\u5927\u80d6\u8fd8\u4e70\u4e86\u51e0\u672c\u4e66\uff1a\u300aTCP\/IP\u8be6\u89e3\u300b \u5377\u4e00,\u5377\u4e8c,\u5377\u4e09\uff0c \u5e26\u7740\u4eba\u5feb\u901f\u590d\u4e60\u4e86C\u8bed\u8a00\uff0c \u7136\u540e\u5f00\u59cb\u75af\u72c2\u5f00\u53d1\u3002<\/p>\n\n\n\n

4<\/strong>\u3001<\/strong>\u8d23\u4efb\u5206\u79bb<\/strong><\/h3>\n\n\n\n

\u4e09\u4e2a\u6708\u540e\uff0cLoad Balancer\u7684\u7b2c\u4e00\u7248\u5f00\u53d1\u51fa\u6765\u4e86\uff0c\u8fd9\u662f\u8fd0\u884c\u5728Linux\u4e0a\u7684\u4e00\u4e2a\u8f6f\u4ef6\uff0c \u516c\u53f8\u8bd5\u7528\u4e86\u4e00\u4e0b\uff0c\u611f\u89c9\u8fd8\u771f\u662f\u4e0d\u9519\uff0c\u4ec5\u4ec5\u7528\u51e0\u53f0\u4fbf\u5b9c\u7684\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u4e86\u3002<\/p>\n\n\n\n

\u8001\u677f\u770b\u5230\u6ca1\u82b1\u591a\u5c11\u94b1\u5c31\u89e3\u51b3\u4e86\u95ee\u9898\uff0c\u975e\u5e38\u6ee1\u610f\uff0c\u7ed9\u5f20\u5927\u80d6\u6240\u5728\u7684\u5f00\u53d1\u7ec4\u53d1\u4e861000\u5757\u94b1\u5956\u91d1\uff0c\u7ec4\u7ec7\u5927\u5bb6\u51fa\u53bb\u6413\u4e86\u4e00\u987f\u3002<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u4ed6\u4eec\u770b\u5230\u8001\u677f\u5f88\u62a0\u95e8\uff0c\u867d\u7565\u6709\u4e0d\u6ee1\uff0c\u4f46\u662f\u60f3\u5230\u901a\u8fc7\u8fd9\u4e2a\u8f6f\u4ef6\u7684\u5f00\u53d1\uff0c\u5b66\u5230\u4e86\u5f88\u591a\u5e95\u5c42\u7684\u77e5\u8bc6\uff0c\u5c24\u5176\u662fTCP\u534f\u8bae\uff0c\u4e5f\u5c31\u5fcd\u4e86\u3002<\/p>\n\n\n\n

\u53ef\u662f\u597d\u666f\u4e0d\u957f\uff0c\u5f20\u5927\u80d6\u53d1\u73b0\u8fd9\u4e2aLoad Balancer\u5b58\u5728\u8fd9\u74f6\u9888\uff1a\u6240\u6709\u7684\u6d41\u91cf\u90fd\u8981\u901a\u8fc7\u5b83\uff0c\u5b83\u8981\u4fee\u6539\u5ba2\u6237\u53d1\u6765\u7684\u6570\u636e\u5305\uff0c \u8fd8\u8981\u4fee\u6539\u53d1\u7ed9\u5ba2\u6237\u7684\u6570\u636e\u5305\u3002<\/strong><\/p>\n\n\n\n

\u7f51\u7edc\u8bbf\u95ee\u8fd8\u6709\u4e2a\u6781\u5927\u7684\u7279\u70b9\uff0c\u90a3\u5c31\u662f\u8bf7\u6c42\u62a5\u6587\u8f83\u77ed\u800c\u54cd\u5e94\u62a5\u6587\u5f80\u5f80\u5305\u542b\u5927\u91cf\u7684\u6570\u636e\u3002\u8fd9\u662f\u5f88\u5bb9\u6613\u7406\u89e3\u7684\uff0c\u4e00\u4e2aHTTP GET\u8bf7\u6c42\u77ed\u5f97\u53ef\u601c\uff0c\u53ef\u662f\u8fd4\u56de\u7684HTML\u5374\u662f\u6781\u957f — \u8fd9\u5c31\u8fdb\u4e00\u6b65\u52a0\u5267\u4e86Load Balancer\u4fee\u6539\u6570\u636e\u5305\u7684\u5de5\u4f5c\u3002<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u8d76\u7d27\u53bb\u627eBill \uff0cBill\u8bf4\uff1a\u201c\u8fd9\u786e\u5b9e\u662f\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u628a\u8bf7\u6c42\u548c\u54cd\u5e94\u5206\u5f00\u5904\u7406\u5427<\/strong>\uff0c\u8ba9Load Balancer\u53ea\u5904\u7406\u8bf7\u6c42\uff0c\u8ba9\u5404\u4e2a\u670d\u52a1\u5668\u628a\u54cd\u5e94\u76f4\u63a5\u53d1\u7ed9\u5ba2\u6237\u7aef\uff0c\u8fd9\u6837\u74f6\u9888\u4e0d\u5c31\u6d88\u9664\u4e86\u5417\uff1f\u201d<\/p>\n\n\n\n

\u201c\u600e\u4e48\u5206\u5f00\u5904\u7406\uff1f\u201d<\/p>\n\n\n\n

\u201c\u9996\u5148\u8ba9\u6240\u6709\u7684\u670d\u52a1\u5668\u90fd\u6709\u540c\u4e00\u4e2aIP\uff0c \u6211\u4eec\u628a\u4ed6\u79f0\u4e3aVIP\u5427\uff08\u5982\u56fe\u4e2d115.39.19.22\uff09\u3002\u201d<\/p>\n\n\n\n

<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u901a\u8fc7\u7b2c\u4e00\u7248Load Balancer\u7684\u5f00\u53d1\uff0c\u79ef\u7d2f\u4e86\u4e30\u5bcc\u7684\u7ecf\u9a8c\u3002<\/p>\n\n\n\n

\u4ed6\u95ee\u9053\uff1a\u201c\u4f60\u8fd9\u662f\u628a\u6bcf\u4e2a\u5b9e\u9645\u670d\u52a1\u5668\u7684loopback\u90fd\u7ed1\u5b9a\u4e86\u90a3\u4e2aVIP\uff0c \u4e0d\u8fc7\u6709\u95ee\u9898\u554a\uff0c\u8fd9\u4e48\u591a\u670d\u52a1\u5668\u90fd\u6709\u540c\u6837\u7684IP , \u5f53IP\u6570\u636e\u5305\u6765\u7684\u65f6\u5019\uff0c\u5230\u5e95\u5e94\u8be5\u7531\u54ea\u4e2a\u670d\u52a1\u5668\u6765\u5904\u7406\uff1f\u201d<\/p>\n\n\n\n

\u201c\u6ce8\u610f\uff0cIP\u6570\u636e\u5305\u5176\u5b9e\u662f\u901a\u8fc7\u6570\u636e\u94fe\u8def\u5c42\u53d1\u8fc7\u6765\u7684\uff0c\u4f60\u770b\u770b\u8fd9\u4e2a\u56fe\u3002\u201d<\/p>\n\n\n\n

<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u770b\u5230\u4e86\u5ba2\u6237\u7aef\u7684HTTP\u62a5\u6587\u518d\u6b21\u88ab\u5c01\u88c5\u50a8\u5c42TCP\u62a5\u6587\uff0c\u7aef\u53e3\u53f7\u662f80\uff0c \u7136\u540eIP\u6570\u636e\u62a5\u4e2d\u7684\u76ee\u7684\u5730\u662f115.39.19.22(VIP)\u3002<\/p>\n\n\n\n

\u56fe\u4e2d\u7684\u95ee\u53f7\u662f\u76ee\u7684\u5730\u7684MAC\u5730\u5740\uff0c \u8be5\u600e\u4e48\u5f97\u5230\u5462\uff1f<\/p>\n\n\n\n

\u5bf9\uff0c \u662f\u4f7f\u7528ARP\u534f\u8bae\uff0c\u628a\u4e00\u4e2aIP\u5730\u5740\uff08115.39.19.22\uff09\u7ed9\u5e7f\u64ad\u51fa\u53bb\uff0c\u7136\u540e\u5177\u6709\u6b64IP\u673a\u5668\u5c31\u4f1a\u56de\u590d\u81ea\u5df1\u7684MAC\u5730\u5740\u3002 \u4f46\u662f\u73b0\u5728\u6709\u597d\u51e0\u53f0\u673a\u5668\u90fd\u6709\u540c\u4e00\u4e2aIP\uff08115.39.19.22\uff09\uff0c \u600e\u4e48\u529e\uff1f<\/p>\n\n\n\n

Bill \u8bf4\u9053\uff1a\u201c\u6211\u4eec\u53ea\u8ba9Load Balancer \u54cd\u5e94\u8fd9\u4e2aVIP\u5730\u5740\uff08115.39.19.22\uff09\u7684ARP\u8bf7\u6c42\uff0c\u5bf9\u4e8eRS1,RS2,RS3, \u6291\u5236\u4f4f\u5bf9\u8fd9\u4e2aVIP\u5730\u5740\u7684ARP\u54cd\u5e94\uff0c\u4e0d\u5c31\u53ef\u4ee5\u552f\u4e00\u5730\u786e\u5b9aLoad Balancer\u4e86\uff1f \u201d<\/p>\n\n\n\n

\u539f\u6765\u5982\u6b64\uff01\u5f20\u5927\u80d6\u604d\u7136\u5927\u609f\u3002<\/p>\n\n\n\n

\u65e2\u7136Load Balancer\u5f97\u5230\u4e86\u8fd9\u4e2aIP\u6570\u636e\u5305\uff0c \u5b83\u5c31\u53ef\u4ee5\u7528\u67d0\u4e2a\u7b56\u7565\u4eceRS1, RS2,RS3\u4e2d\u9009\u53d6\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u4f8b\u5982RS1\uff08192.168.0.10\uff09\uff0c\u628aIP\u6570\u636e\u62a5\u539f\u5c01\u4e0d\u52a8<\/strong>\uff0c \u5c01\u88c5\u6210\u6570\u636e\u94fe\u8def\u5c42\u7684\u5305\uff08\u76ee\u7684\u5730\u662fRS1\u7684MAC\u5730\u5740\uff09\uff0c\u76f4\u63a5\u8f6c\u53d1\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

<\/p>\n\n\n\n

RS1\uff08192.168.0.10\uff09\u8fd9\u4e2a\u670d\u52a1\u5668\u6536\u5230\u4e86\u6570\u636e\u5305\uff0c\u62c6\u5f00\u4e00\u770b\uff0c\u76ee\u7684\u5730IP\u662f115.39.19.22\uff0c\u662f\u81ea\u5df1\u7684IP\uff0c \u90a3\u5c31\u53ef\u4ee5\u5904\u7406\u4e86\u3002<\/p>\n\n\n\n

\u5904\u7406\u5b8c\u4e86\u4ee5\u540e\uff0cRS1\u53ef\u4ee5\u76f4\u63a5\u54cd\u5e94\u53d1\u56de\u7ed9\u5ba2\u6237\u7aef\uff0c\u5b8c\u5168\u4e0d\u7528\u518d\u901a\u8fc7Load Balancer\u3002\u56e0\u4e3a\u81ea\u5df1\u7684\u5730\u5740\u5c31\u662f115.39.19.22\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u5ba2\u6237\u7aef\u6765\u8bf4\uff0c\u5b83\u770b\u5230\u7684\u8fd8\u662f\u90a3\u4e2a\u552f\u4e00\u7684\u5730\u5740115.39.19.22\uff0c \u5e76\u4e0d\u77e5\u9053\u540e\u53f0\u53d1\u751f\u4e86\u4ec0\u4e48\u4e8b\u60c5\u3002<\/p>\n\n\n\n

Bill\u8865\u5145\u5230\uff1a\u201c\u7531\u4e8eLoad Balancer \u6839\u672c\u4e0d\u4f1a\u4fee\u6539IP\u6570\u636e\u62a5\uff0c\u5176\u4e2d\u7684TCP\u7684\u7aef\u53e3\u53f7\u81ea\u7136\u4e5f\u4e0d\u4f1a\u4fee\u6539\uff0c\u8fd9\u5c31\u8981\u6c42RS1, RS2,RS3\u4e0a\u7684\u7aef\u53e3\u53f7\u5fc5\u987b\u5f97\u548cLoad Balancer\u4e00\u81f4\u624d\u884c\u3002\u201d<\/p>\n\n\n\n

\u50cf\u4e4b\u524d\u4e00\u6837\uff0c\u5f20\u5927\u80d6\u603b\u7ed3\u4e86\u4e00\u4e0b\u6570\u636e\u7684\u6d41\u5411\uff1a<\/p>\n\n\n\n

\u5ba2\u6237\u7aef –> Load Balancer –> RS –> \u5ba2\u6237\u7aef<\/p>\n\n\n\n

Bill \u8bf4\u9053\uff1a\u201c\u600e\u4e48\u6837\uff1f \u8fd9\u4e2a\u529e\u6cd5\u8fd8\u53ef\u4ee5\u5427\uff1f\u201d<\/p>\n\n\n\n

\u5f20\u5927\u80d6\u53c8\u60f3\u4e86\u60f3\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4f3c\u4e4e\u6ca1\u6709\u6f0f\u6d1e\uff0c\u5e76\u4e14\u6548\u7387\u5f88\u9ad8\uff0cLoad Balancer\u53ea\u8d1f\u8d23\u628a\u7528\u6237\u8bf7\u6c42\u53d1\u7ed9\u7279\u5b9a\u7684\u670d\u52a1\u5668\u5c31\u4e07\u4e8b\u5927\u5409\u4e86\uff0c \u5269\u4e0b\u7684\u4e8b\u7531\u5177\u4f53\u7684\u670d\u52a1\u5668\u6765\u5904\u7406\uff0c\u548c\u5b83\u6ca1\u6709\u5173\u7cfb\u4e86\u3002<\/p>\n\n\n\n

\u4ed6\u9ad8\u5174\u5730\u8bf4\uff1a\u201c\u4e0d\u9519\uff0c\u6211\u7740\u624b\u5e26\u4eba\u53bb\u5b9e\u73b0\u4e86\u3002\u201d<\/p>\n\n\n\n

\u540e\u8bb0\uff1a<\/strong> \u672c\u6587\u6240\u63cf\u8ff0\u7684\uff0c\u5176\u5b9e\u5c31\u662f\u8457\u540d\u5f00\u6e90\u8f6f\u4ef6LVS\u7684\u539f\u7406\uff0c\u4e0a\u9762\u8bb2\u7684\u4e24\u79cd\u8d1f\u8f7d\u5747\u8861\u7684\u65b9\u5f0f\uff0c\u5c31\u662fLVS\u7684NAT\u548cDR\u3002<\/p>\n\n\n\n

LVS\u662f\u7ae0\u6587\u5d69\u535a\u58eb\u57281998\u5e745\u6708\u6210\u7acb\u7684\u81ea\u7531\u8f6f\u4ef6\u9879\u76ee\uff0c\u73b0\u5728\u5df2\u7ecf\u662fLinux\u5185\u6838\u7684\u4e00\u90e8\u5206\u3002\u60f3\u60f3\u90a3\u65f6\u5019\u6211\u8fd8\u5728\u4e0d\u4ea6\u4e50\u4e4e\u5730\u6298\u817e\u4e2a\u4eba\u7f51\u9875\uff0c\u5b66\u4f1a\u5b89\u88c5\u548c\u4f7f\u7528Linux \u6ca1\u591a\u4e45 , \u670d\u52a1\u5668\u7aef\u5f00\u53d1\u4e5f\u4ec5\u9650\u4e8eASP\uff0c\u50cfLVS\u8fd9\u79cd\u8d1f\u8f7d\u5747\u8861\u7684\u6982\u5ff5\u538b\u6839\u5c31\u6ca1\u6709\u542c\u8bf4\u8fc7\u3002 <\/p>\n\n\n\n

\u7f16\u7a0b\u8bed\u8a00\u53ef\u4ee5\u5b66\uff0c\u5dee\u8ddd\u4e5f\u80fd\u5f25\u8865\uff0c\u4f46\u662f\u8fd9\u79cd\u5883\u754c\u548c\u773c\u5149\u7684\u5dee\u8ddd\uff0c\u7b80\u76f4\u5c31\u662f\u5de8\u5927\u7684\u9e3f\u6c9f\uff0c\u96be\u4ee5\u8de8\u8d8a\u554a\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u8f6c\u8f7d\u4e8e\uff1ahttps:\/\/mp.weixin.qq.com\/s\/NUFRX51D9Yf9yzRQnPeWlg […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/102"}],"collection":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=102"}],"version-history":[{"count":5,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/102\/revisions"}],"predecessor-version":[{"id":117,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=\/wp\/v2\/posts\/102\/revisions\/117"}],"wp:attachment":[{"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=102"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kijk.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}