{"id":459,"date":"2011-12-02T18:48:15","date_gmt":"2011-12-02T10:48:15","guid":{"rendered":"https:\/\/blog.rexdf.org\/?p=459"},"modified":"2011-12-02T18:48:15","modified_gmt":"2011-12-02T10:48:15","slug":"cdn%ef%bc%88%e5%86%85%e5%ae%b9%e5%88%86%e5%8f%91%e7%bd%91%e7%bb%9c%ef%bc%89%e6%8a%80%e6%9c%af%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/blog.rexdf.org\/ja\/2011\/12\/cdn%ef%bc%88%e5%86%85%e5%ae%b9%e5%88%86%e5%8f%91%e7%bd%91%e7%bb%9c%ef%bc%89%e6%8a%80%e6%9c%af%e5%8e%9f%e7%90%86\/","title":{"rendered":"CDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u6280\u672f\u539f\u7406"},"content":{"rendered":"

\u6765\u6e90: IT\u4e16\u754c\u7f51\u00a0\u00a0\u53d1\u5e03\u65f6\u95f4: 2011-11-15 14:25 \u00a0<\/span><\/h1>\n

\u3000\u30001. \u524d\u8a00<\/strong><\/p>\n

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2\uff0e\u4ec0\u4e48\u662fCDN\uff1f<\/strong><\/p>\n

CDN\u7684\u5168\u79f0\u662fContent Delivery Network\uff0c\u5373\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u3002\u5176\u76ee\u7684\u662f\u901a\u8fc7\u5728\u73b0\u6709\u7684Internet\u4e2d\u589e\u52a0\u4e00\u5c42\u65b0\u7684\u7f51\u7edc\u67b6\u6784\uff0c\u5c06\u7f51\u7ad9\u7684\u5185\u5bb9\u53d1\u5e03\u5230\u6700\u63a5\u8fd1\u7528\u6237\u7684\u7f51\u7edc”\u8fb9\u7f18”\uff0c\u4f7f\u7528\u6237\u53ef\u4ee5\u5c31\u8fd1\u53d6\u5f97\u6240\u9700\u7684\u5185\u5bb9\uff0c\u89e3\u51b3Internet\u7f51\u7edc\u62e5\u585e\u72b6\u51b5\uff0c\u63d0\u9ad8\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u4ece\u6280\u672f\u4e0a\u5168\u9762\u89e3\u51b3\u7531\u4e8e\u7f51\u7edc\u5e26\u5bbd\u5c0f\u3001\u7528\u6237\u8bbf\u95ee\u91cf\u5927\u3001\u7f51\u70b9\u5206\u5e03\u4e0d\u5747\u7b49\u539f\u56e0\uff0c\u89e3\u51b3\u7528\u6237\u8bbf\u95ee\u7f51\u7ad9\u7684\u54cd\u5e94\u901f\u5ea6\u6162\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n

\u72ed\u4e49\u5730\u8bb2\uff0c\u5185\u5bb9\u5206\u53d1\u5e03\u7f51\u7edc(CDN)\u662f\u4e00\u79cd\u65b0\u578b\u7684\u7f51\u7edc\u6784\u5efa\u65b9\u5f0f\uff0c\u5b83\u662f\u4e3a\u80fd\u5728\u4f20\u7edf\u7684IP\u7f51\u53d1\u5e03\u5bbd\u5e26\u4e30\u5bcc\u5a92\u4f53\u800c\u7279\u522b\u4f18\u5316\u7684\u7f51\u7edc\u8986\u76d6\u5c42\uff1b\u800c\u4ece\u5e7f\u4e49\u7684\u89d2\u5ea6\uff0cCDN\u4ee3\u8868\u4e86\u4e00\u79cd\u57fa\u4e8e\u8d28\u91cf\u4e0e\u79e9\u5e8f\u7684\u7f51\u7edc\u670d\u52a1\u6a21\u5f0f\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5185\u5bb9\u53d1\u5e03\u7f51\u7edc(CDN)\u662f\u4e00\u4e2a\u7ecf\u7b56\u7565\u6027\u90e8\u7f72\u7684\u6574\u4f53\u7cfb\u7edf\uff0c\u5305\u62ec\u5206\u5e03\u5f0f\u5b58\u50a8\u3001\u8d1f\u8f7d\u5747\u8861\u3001\u7f51\u7edc\u8bf7\u6c42\u7684\u91cd\u5b9a\u5411\u548c\u5185\u5bb9\u7ba1\u7406\uff14\u4e2a\u8981\u4ef6\uff0c\u800c\u5185\u5bb9\u7ba1\u7406\u548c\u5168\u5c40\u7684\u7f51\u7edc\u6d41\u91cf\u7ba1\u7406(Traffic Management)\u662fCDN\u7684\u6838\u5fc3\u6240\u5728\u3002\u901a\u8fc7\u7528\u6237\u5c31\u8fd1\u6027\u548c\u670d\u52a1\u5668\u8d1f\u8f7d\u7684\u5224\u65ad\uff0cCDN\u786e\u4fdd\u5185\u5bb9\u4ee5\u4e00\u79cd\u6781\u4e3a\u9ad8\u6548\u7684\u65b9\u5f0f\u4e3a\u7528\u6237\u7684\u8bf7\u6c42\u63d0\u4f9b\u670d\u52a1\u3002\u603b\u7684\u6765\u8bf4\uff0c\u5185\u5bb9\u670d\u52a1\u57fa\u4e8e\u7f13\u5b58\u670d\u52a1\u5668\uff0c\u4e5f\u79f0\u4f5c\u4ee3\u7406\u7f13\u5b58(Surrogate)\uff0c\u5b83\u4f4d\u4e8e\u7f51\u7edc\u7684\u8fb9\u7f18\uff0c\u8ddd\u7528\u6237\u4ec5\u6709”\u4e00\u8df3”(Single Hop)\u4e4b\u9065\u3002\u540c\u65f6\uff0c\u4ee3\u7406\u7f13\u5b58\u662f\u5185\u5bb9\u63d0\u4f9b\u5546\u6e90\u670d\u52a1\u5668\uff08\u901a\u5e38\u4f4d\u4e8eCDN\u670d\u52a1\u63d0\u4f9b\u5546\u7684\u6570\u636e\u4e2d\u5fc3\uff09\u7684\u4e00\u4e2a\u900f\u660e\u955c\u50cf\u3002\u8fd9\u6837\u7684\u67b6\u6784\u4f7f\u5f97CDN\u670d\u52a1\u63d0\u4f9b\u5546\u80fd\u591f\u4ee3\u8868\u4ed6\u4eec\u5ba2\u6237\uff0c\u5373\u5185\u5bb9\u4f9b\u5e94\u5546\uff0c\u5411\u6700\u7ec8\u7528\u6237\u63d0\u4f9b\u5c3d\u53ef\u80fd\u597d\u7684\u4f53\u9a8c\uff0c\u800c\u8fd9\u4e9b\u7528\u6237\u662f\u4e0d\u80fd\u5bb9\u5fcd\u8bf7\u6c42\u54cd\u5e94\u65f6\u95f4\u6709\u4efb\u4f55\u5ef6\u8fdf\u7684\u3002\u636e\u7edf\u8ba1\uff0c\u91c7\u7528CDN\u6280\u672f\uff0c\u80fd\u5904\u7406\u6574\u4e2a\u7f51\u7ad9\u9875\u9762\u768470%\uff5e95\uff05\u7684\u5185\u5bb9\u8bbf\u95ee\u91cf\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u7684\u538b\u529b\uff0c\u63d0\u5347\u4e86\u7f51\u7ad9\u7684\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

\u4e0e\u76ee\u524d\u73b0\u6709\u7684\u5185\u5bb9\u53d1\u5e03\u6a21\u5f0f\u76f8\u6bd4\u8f83\uff0cCDN\u5f3a\u8c03\u4e86\u7f51\u7edc\u5728\u5185\u5bb9\u53d1\u5e03\u4e2d\u7684\u91cd\u8981\u6027\u3002\u901a\u8fc7\u5f15\u5165\u4e3b\u52a8\u7684\u5185\u5bb9\u7ba1\u7406\u5c42\u7684\u548c\u5168\u5c40\u8d1f\u8f7d\u5747\u8861\uff0cCDN\u4ece\u6839\u672c\u4e0a\u533a\u522b\u4e8e\u4f20\u7edf\u7684\u5185\u5bb9\u53d1\u5e03\u6a21\u5f0f\u3002\u5728\u4f20\u7edf\u7684\u5185\u5bb9\u53d1\u5e03\u6a21\u5f0f\u4e2d\uff0c\u5185\u5bb9\u7684\u53d1\u5e03\u7531ICP\u7684\u5e94\u7528\u670d\u52a1\u5668\u5b8c\u6210\uff0c\u800c\u7f51\u7edc\u53ea\u8868\u73b0\u4e3a\u4e00\u4e2a\u900f\u660e\u7684\u6570\u636e\u4f20\u8f93\u901a\u9053\uff0c\u8fd9\u79cd\u900f\u660e\u6027\u8868\u73b0\u5728\u7f51\u7edc\u7684\u8d28\u91cf\u4fdd\u8bc1\u4ec5\u4ec5\u505c\u7559\u5728\u6570\u636e\u5305\u7684\u5c42\u9762\uff0c\u800c\u4e0d\u80fd\u6839\u636e\u5185\u5bb9\u5bf9\u8c61\u7684\u4e0d\u540c\u533a\u5206\u670d\u52a1\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u7531\u4e8eIP\u7f51\u7684”\u5c3d\u529b\u800c\u4e3a”\u7684\u7279\u6027\u4f7f\u5f97\u5176\u8d28\u91cf\u4fdd\u8bc1\u662f\u4f9d\u9760\u5728\u7528\u6237\u548c\u5e94\u7528\u670d\u52a1\u5668\u4e4b\u95f4\u7aef\u5230\u7aef\u5730\u63d0\u4f9b\u5145\u5206\u7684\u3001\u8fdc\u5927\u4e8e\u5b9e\u9645\u6240\u9700\u7684\u5e26\u5bbd\u901a\u91cf\u6765\u5b9e\u73b0\u7684\u3002\u5728\u8fd9\u6837\u7684\u5185\u5bb9\u53d1\u5e03\u6a21\u5f0f\u4e0b\uff0c\u4e0d\u4ec5\u5927\u91cf\u5b9d\u8d35\u7684\u9aa8\u5e72\u5e26\u5bbd\u88ab\u5360\u7528\uff0c\u540c\u65f6ICP\u7684\u5e94\u7528\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u4e5f\u53d8\u5f97\u975e\u5e38\u91cd\uff0c\u800c\u4e14\u4e0d\u53ef\u9884\u8ba1\u3002\u5f53\u53d1\u751f\u4e00\u4e9b\u70ed\u70b9\u4e8b\u4ef6\u548c\u51fa\u73b0\u6d6a\u6d8c\u6d41\u91cf\u65f6\uff0c\u4f1a\u4ea7\u751f\u5c40\u90e8\u70ed\u70b9\u6548\u5e94\uff0c\u4ece\u800c\u4f7f\u5e94\u7528\u670d\u52a1\u5668\u8fc7\u8f7d\u9000\u51fa\u670d\u52a1\u3002\u8fd9\u79cd\u57fa\u4e8e\u4e2d\u5fc3\u7684\u5e94\u7528\u670d\u52a1\u5668\u7684\u5185\u5bb9\u53d1\u5e03\u6a21\u5f0f\u7684\u53e6\u5916\u4e00\u4e2a\u7f3a\u9677\u5728\u4e8e\u4e2a\u6027\u5316\u670d\u52a1\u7684\u7f3a\u5931\u548c\u5bf9\u5bbd\u5e26\u670d\u52a1\u4ef7\u503c\u94fe\u7684\u626d\u66f2\uff0c\u5185\u5bb9\u63d0\u4f9b\u5546\u627f\u62c5\u4e86\u4ed6\u4eec\u4e0d\u8be5\u5e72\u4e5f\u5e72\u4e0d\u597d\u7684\u5185\u5bb9\u53d1\u5e03\u670d\u52a1\u3002<\/p>\n

\u7eb5\u89c2\u6574\u4e2a\u5bbd\u5e26\u670d\u52a1\u7684\u4ef7\u503c\u94fe\uff0c\u5185\u5bb9\u63d0\u4f9b\u5546\u548c\u7528\u6237\u4f4d\u4e8e\u6574\u4e2a\u4ef7\u503c\u94fe\u7684\u4e24\u7aef\uff0c\u4e2d\u95f4\u4f9d\u9760\u7f51\u7edc\u670d\u52a1\u63d0\u4f9b\u5546\u5c06\u5176\u4e32\u63a5\u8d77\u6765\u3002\u968f\u7740\u4e92\u8054\u7f51\u5de5\u4e1a\u7684\u6210\u719f\u548c\u5546\u4e1a\u6a21\u5f0f\u7684\u53d8\u9769\uff0c\u5728\u8fd9\u6761\u4ef7\u503c\u94fe\u4e0a\u7684\u89d2\u8272\u8d8a\u6765\u8d8a\u591a\u4e5f\u8d8a\u6765\u8d8a\u7ec6\u5206\u3002\u6bd4\u5982\u5185\u5bb9\uff0f\u5e94\u7528\u7684\u8fd0\u8425\u5546\u3001\u6258\u7ba1\u670d\u52a1\u63d0\u4f9b\u5546\u3001\u9aa8\u5e72\u7f51\u7edc\u670d\u52a1\u63d0\u4f9b\u5546\u3001\u63a5\u5165\u670d\u52a1\u63d0\u4f9b\u5546\u7b49\u7b49\u3002\u5728\u8fd9\u4e00\u6761\u4ef7\u503c\u94fe\u4e0a\u7684\u6bcf\u4e00\u4e2a\u89d2\u8272\u90fd\u8981\u5206\u5de5\u5408\u4f5c\u3001\u5404\u53f8\u5176\u804c\u624d\u80fd\u4e3a\u5ba2\u6237\u63d0\u4f9b\u826f\u597d\u7684\u670d\u52a1\uff0c\u4ece\u800c\u5e26\u6765\u591a\u8d62\u7684\u5c40\u9762\u3002\u4ece\u5185\u5bb9\u4e0e\u7f51\u7edc\u7684\u7ed3\u5408\u6a21\u5f0f\u4e0a\u770b\uff0c\u5185\u5bb9\u7684\u53d1\u5e03\u5df2\u7ecf\u8d70\u8fc7\u4e86ICP\u7684\u5185\u5bb9\uff08\u5e94\u7528\uff09\u670d\u52a1\u5668\u548cIDC\u8fd9\u4e24\u4e2a\u9636\u6bb5\u3002IDC\u7684\u70ed\u6f6e\u4e5f\u50ac\u751f\u4e86\u6258\u7ba1\u670d\u52a1\u63d0\u4f9b\u5546\u8fd9\u4e00\u89d2\u8272\u3002\u4f46\u662f\uff0cIDC\u5e76\u4e0d\u80fd\u89e3\u51b3\u5185\u5bb9\u7684\u6709\u6548\u53d1\u5e03\u95ee\u9898\u3002\u5185\u5bb9\u4f4d\u4e8e\u7f51\u7edc\u7684\u4e2d\u5fc3\u5e76\u4e0d\u80fd\u89e3\u51b3\u9aa8\u5e72\u5e26\u5bbd\u7684\u5360\u7528\u548c\u5efa\u7acbIP\u7f51\u7edc\u4e0a\u7684\u6d41\u91cf\u79e9\u5e8f\u3002\u56e0\u6b64\u5c06\u5185\u5bb9\u63a8\u5230\u7f51\u7edc\u7684\u8fb9\u7f18\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u5c31\u8fd1\u6027\u7684\u8fb9\u7f18\u670d\u52a1\uff0c\u4ece\u800c\u4fdd\u8bc1\u670d\u52a1\u7684\u8d28\u91cf\u548c\u6574\u4e2a\u7f51\u7edc\u4e0a\u7684\u8bbf\u95ee\u79e9\u5e8f\u5c31\u6210\u4e86\u4e00\u79cd\u663e\u800c\u6613\u89c1\u7684\u9009\u62e9\u3002\u800c\u8fd9\u5c31\u662f\u5185\u5bb9\u53d1\u5e03\u7f51(CDN)\u670d\u52a1\u6a21\u5f0f\u3002CDN\u7684\u5efa\u7acb\u89e3\u51b3\u4e86\u56f0\u6270\u5185\u5bb9\u8fd0\u8425\u5546\u7684\u5185\u5bb9”\u96c6\u4e2d\u4e0e\u5206\u6563”\u7684\u4e24\u96be\u9009\u62e9\u3002\u65e0\u7591\u5bf9\u4e8e\u6784\u5efa\u826f\u597d\u7684\u4e92\u8054\u7f51\u4ef7\u503c\u94fe\u662f\u6709\u4ef7\u503c\u7684\uff0c\u4e5f\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n

3\uff0eCDN\u65b0\u5e94\u7528\u548c\u5ba2\u6237<\/p>\n

\u76ee\u524d\u7684CDN\u670d\u52a1\u4e3b\u8981\u5e94\u7528\u4e8e\u8bc1\u5238\u3001\u91d1\u878d\u4fdd\u9669\u3001ISP\u3001ICP\u3001\u7f51\u4e0a\u4ea4\u6613\u3001\u95e8\u6237\u7f51\u7ad9\u3001\u5927\u4e2d\u578b\u516c\u53f8\u3001\u7f51\u7edc\u6559\u5b66\u7b49\u9886\u57df\u3002\u53e6\u5916\u5728\u884c\u4e1a\u4e13\u7f51\u3001\u4e92\u8054\u7f51\u4e2d\u90fd\u53ef\u4ee5\u7528\u5230\uff0c\u751a\u81f3\u53ef\u4ee5\u5bf9\u5c40\u57df\u7f51\u8fdb\u884c\u7f51\u7edc\u4f18\u5316\u3002\u5229\u7528CDN\uff0c\u8fd9\u4e9b\u7f51\u7ad9\u65e0\u9700\u6295\u8d44\u6602\u8d35\u7684\u5404\u7c7b\u670d\u52a1\u5668\u3001\u8bbe\u7acb\u5206\u7ad9\u70b9\uff0c\u7279\u522b\u662f\u6d41\u5a92\u4f53\u4fe1\u606f\u7684\u5e7f\u6cdb\u5e94\u7528\u3001\u8fdc\u7a0b\u6559\u5b66\u8bfe\u4ef6\u7b49\u6d88\u8017\u5e26\u5bbd\u8d44\u6e90\u591a\u7684\u5a92\u4f53\u4fe1\u606f\uff0c\u5e94\u7528CDN\u7f51\u7edc\uff0c\u628a\u5185\u5bb9\u590d\u5236\u5230\u7f51\u7edc\u7684\u6700\u8fb9\u7f18\uff0c\u4f7f\u5185\u5bb9\u8bf7\u6c42\u70b9\u548c\u4ea4\u4ed8\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u7f29\u81f3\u6700\u5c0f\uff0c\u4ece\u800c\u4fc3\u8fdbWeb\u7ad9\u70b9\u6027\u80fd\u7684\u63d0\u9ad8\uff0c\u5177\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002CDN\u7f51\u7edc\u7684\u5efa\u8bbe\u4e3b\u8981\u6709\u4f01\u4e1a\u5efa\u8bbe\u7684CDN\u7f51\u7edc\uff0c\u4e3a\u4f01\u4e1a\u670d\u52a1\uff1bIDC\u7684CDN\u7f51\u7edc\uff0c\u4e3b\u8981\u670d\u52a1\u4e8eIDC\u548c\u589e\u503c\u670d\u52a1\uff1b\u7f51\u7edc\u8fd0\u8425\u4e0a\u4e3b\u5efa\u7684CDN\u7f51\u7edc\uff0c\u4e3b\u8981\u63d0\u4f9b\u5185\u5bb9\u63a8\u9001\u670d\u52a1\uff1bCDN\u7f51\u7edc\u670d\u52a1\u5546\uff0c\u4e13\u95e8\u5efa\u8bbe\u7684CDN\u7528\u4e8e\u505a\u670d\u52a1\uff0c\u7528\u6237\u901a\u8fc7\u4e0eCDN\u673a\u6784\u8fdb\u884c\u5408\u4f5c\uff0cCDN\u8d1f\u8d23\u4fe1\u606f\u4f20\u9012\u5de5\u4f5c\uff0c\u4fdd\u8bc1\u4fe1\u606f\u6b63\u5e38\u4f20\u8f93\uff0c\u7ef4\u62a4\u4f20\u9001\u7f51\u7edc\uff0c\u800c\u7f51\u7ad9\u53ea\u9700\u8981\u5185\u5bb9\u7ef4\u62a4\uff0c\u4e0d\u518d\u9700\u8981\u8003\u8651\u6d41\u91cf\u95ee\u9898\u3002<\/p>\n

CDN\u80fd\u591f\u4e3a\u7f51\u7edc\u7684\u5feb\u901f\u3001\u5b89\u5168\u3001\u7a33\u5b9a\u3001\u53ef\u6269\u5c55\u7b49\u65b9\u9762\u63d0\u4f9b\u4fdd\u969c\u3002<\/p>\n

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4\uff0eCDN \u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n

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1)\u3001\u7528\u6237\u5411\u6d4f\u89c8\u5668\u63d0\u4f9b\u8981\u8bbf\u95ee\u7684\u57df\u540d\uff1b<\/p>\n

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4)\u3001\u6d4f\u89c8\u5668\u6839\u636e\u57df\u540d\u4e3b\u673a\u8fd4\u56de\u7684\u6570\u636e\u663e\u793a\u7f51\u9875\u7684\u5185\u5bb9\u3002<\/p>\n

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\"\"

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1)\u3001\u7528\u6237\u5411\u6d4f\u89c8\u5668\u63d0\u4f9b\u8981\u8bbf\u95ee\u7684\u57df\u540d\uff1b<\/p>\n

2)\u3001\u6d4f\u89c8\u5668\u8c03\u7528\u57df\u540d\u89e3\u6790\u5e93\u5bf9\u57df\u540d\u8fdb\u884c\u89e3\u6790\uff0c\u7531\u4e8eCDN\u5bf9\u57df\u540d\u89e3\u6790\u8fc7\u7a0b\u8fdb\u884c\u4e86\u8c03\u6574\uff0c\u6240\u4ee5\u89e3\u6790\u51fd\u6570\u5e93\u4e00\u822c\u5f97\u5230\u7684\u662f\u8be5\u57df\u540d\u5bf9\u5e94\u7684CNAME\u8bb0\u5f55\uff0c\u4e3a\u4e86\u5f97\u5230\u5b9e\u9645IP\u5730\u5740\uff0c\u6d4f\u89c8\u5668\u9700\u8981\u518d\u6b21\u5bf9\u83b7\u5f97\u7684CNAME\u57df\u540d\u8fdb\u884c\u89e3\u6790\u4ee5\u5f97\u5230\u5b9e\u9645\u7684IP\u5730\u5740\uff1b\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528\u7684\u5168\u5c40\u8d1f\u8f7d\u5747\u8861DNS\u89e3\u6790\uff0c\u5982\u6839\u636e\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u89e3\u6790\u5bf9\u5e94\u7684IP\u5730\u5740\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u5c31\u8fd1\u8bbf\u95ee\u3002<\/p>\n

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4)\u3001\u7f13\u5b58\u670d\u52a1\u5668\u6839\u636e\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684\u8981\u8bbf\u95ee\u7684\u57df\u540d\uff0c\u901a\u8fc7Cache\u5185\u90e8\u4e13\u7528DNS\u89e3\u6790\u5f97\u5230\u6b64\u57df\u540d\u7684\u5b9e\u9645IP\u5730\u5740\uff0c\u518d\u7531\u7f13\u5b58\u670d\u52a1\u5668\u5411\u6b64\u5b9e\u9645IP\u5730\u5740\u63d0\u4ea4\u8bbf\u95ee\u8bf7\u6c42\uff1b<\/p>\n

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4)\u3001\u7531\u4e8e\u4ececname\u83b7\u5f97\u7684IP\u5730\u5740\uff0c\u5e76\u4e14\u5e26\u6709hostname\u4fe1\u606f\uff0c\u8bf7\u6c42\u5230\u8fbeCache\u4e4b\u540e\uff0cCache\u5fc5\u987b\u77e5\u9053\u6e90\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u6240\u4ee5\u5728CDN\u8fd0\u8425\u5546\u5185\u90e8\u7ef4\u62a4\u4e00\u4e2a\u5185\u90e8DNS\u670d\u52a1\u5668\uff0c\u7528\u4e8e\u89e3\u91ca\u7528\u6237\u6240\u8bbf\u95ee\u7684\u57df\u540d\u7684\u771f\u5b9eIP\u5730\u5740\uff1b<\/p>\n

5)\u3001\u5728\u7ef4\u62a4\u5185\u90e8DNS\u670d\u52a1\u5668\u65f6\uff0c\u8fd8\u9700\u8981\u7ef4\u62a4\u4e00\u53f0\u6388\u6743\u670d\u52a1\u5668\uff0c\u63a7\u5236\u54ea\u4e9b\u57df\u540d\u53ef\u4ee5\u8fdb\u884c\u7f13\u5b58\uff0c\u800c\u54ea\u4e9b\u53c8\u4e0d\u8fdb\u884c\u7f13\u5b58\uff0c\u4ee5\u514d\u53d1\u751f\u5f00\u653e\u4ee3\u7406\u7684\u60c5\u51b5\u3002<\/p>\n

5\uff0eCDN\u7684\u6280\u672f\u624b\u6bb5<\/strong><\/p>\n

<\/strong>\u3000\u3000\u5b9e\u73b0CDN\u7684\u4e3b\u8981\u6280\u672f\u624b\u6bb5\u662f\u9ad8\u901f\u7f13\u5b58\u3001\u955c\u50cf\u670d\u52a1\u5668\u3002\u53ef\u5de5\u4f5c\u4e8eDNS\u89e3\u6790\u6216HTTP\u91cd\u5b9a\u5411\u4e24\u79cd\u65b9\u5f0f\uff0c\u901a\u8fc7Cache\u670d\u52a1\u5668\uff0c\u6216\u5f02\u5730\u7684\u955c\u50cf\u7ad9\u70b9\u5b8c\u6210\u5185\u5bb9\u7684\u4f20\u9001\u4e0e\u540c\u6b65\u66f4\u65b0\u3002DNS\u65b9\u5f0f\u7528\u6237\u4f4d\u7f6e\u5224\u65ad\u51c6\u786e\u7387\u5927\u4e8e85%\uff0cHTTP\u65b9\u5f0f\u51c6\u786e\u7387\u4e3a99%\u4ee5\u4e0a\uff1b\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5404Cache\u670d\u52a1\u5668\u7fa4\u7684\u7528\u6237\u8bbf\u95ee\u6d41\u5165\u6570\u636e\u91cf\u4e0eCache\u670d\u52a1\u5668\u5230\u539f\u59cb\u7f51\u7ad9\u53d6\u5185\u5bb9\u7684\u6570\u636e\u91cf\u4e4b\u6bd4\u57282\uff1a1\u52303\uff1a1\u4e4b\u95f4\uff0c\u5373\u5206\u62c550%\u523070%\u7684\u5230\u539f\u59cb\u7f51\u7ad9\u91cd\u590d\u8bbf\u95ee\u6570\u636e\u91cf\uff08\u4e3b\u8981\u662f\u56fe\u7247\uff0c\u6d41\u5a92\u4f53\u6587\u4ef6\u7b49\u5185\u5bb9\uff09\uff1b\u5bf9\u4e8e\u955c\u50cf\uff0c\u9664\u6570\u636e\u540c\u6b65\u7684\u6d41\u91cf\uff0c\u5176\u4f59\u5747\u5728\u672c\u5730\u5b8c\u6210\uff0c\u4e0d\u8bbf\u95ee\u539f\u59cb\u670d\u52a1\u5668\u3002<\/p>\n

\u955c\u50cf\u7ad9\u70b9\uff08Mirror Site\uff09\u670d\u52a1\u5668\u662f\u6211\u4eec\u7ecf\u5e38\u53ef\u4ee5\u770b\u5230\u7684\uff0c\u5b83\u8ba9\u5185\u5bb9\u76f4\u622a\u4e86\u5f53\u5730\u8fdb\u884c\u5206\u5e03\uff0c\u9002\u7528\u4e8e\u9759\u6001\u548c\u51c6\u52a8\u6001\u7684\u6570\u636e\u540c\u6b65\u3002\u4f46\u662f\u8d2d\u4e70\u548c\u7ef4\u62a4\u65b0\u670d\u52a1\u5668\u7684\u8d39\u7528\u8f83\u9ad8\uff0c\u53e6\u5916\u8fd8\u5fc5\u987b\u5728\u5404\u4e2a\u5730\u533a\u8bbe\u7f6e\u955c\u50cf\u670d\u52a1\u5668\uff0c\u914d\u5907\u4e13\u4e1a\u6280\u672f\u4eba\u5458\u8fdb\u884c\u7ba1\u7406\u4e0e\u7ef4\u62a4\u3002\u5927\u578b\u7f51\u7ad9\u5728\u968f\u65f6\u66f4\u65b0\u5404\u5730\u670d\u52a1\u5668\u7684\u540c\u65f6\uff0c\u5bf9\u5e26\u5bbd\u7684\u9700\u6c42\u4e5f\u4f1a\u663e\u8457\u589e\u52a0\uff0c\u56e0\u6b64\u4e00\u822c\u7684\u4e92\u8054\u7f51\u516c\u53f8\u4e0d\u4f1a\u5efa\u7acb\u592a\u591a\u7684\u955c\u50cf\u670d\u52a1\u5668\u3002<\/p>\n

\u9ad8\u901f\u7f13\u5b58\u624b\u6bb5\u7684\u6210\u672c\u8f83\u4f4e\uff0c\u9002\u7528\u4e8e\u9759\u6001\u5185\u5bb9\u3002Internet\u7684\u7edf\u8ba1\u8868\u660e\uff0c\u8d85\u8fc780%\u7684\u7528\u6237\u7ecf\u5e38\u8bbf\u95ee\u7684\u662f20%\u7684\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u5728\u8fd9\u4e2a\u89c4\u5f8b\u4e0b\uff0c\u7f13\u5b58\u670d\u52a1\u5668\u53ef\u4ee5\u5904\u7406\u5927\u90e8\u5206\u5ba2\u6237\u7684\u9759\u6001\u8bf7\u6c42\uff0c\u800c\u539f\u59cb\u7684WWW\u670d\u52a1\u5668\u53ea\u9700\u5904\u7406\u7ea620%\u5de6\u53f3\u7684\u975e\u7f13\u5b58\u8bf7\u6c42\u548c\u52a8\u6001\u8bf7\u6c42\uff0c\u4e8e\u662f\u5927\u5927\u52a0\u5feb\u4e86\u5ba2\u6237\u8bf7\u6c42\u7684\u54cd\u5e94\u65f6\u95f4\uff0c\u5e76\u964d\u4f4e\u4e86\u539f\u59cbWWW\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u3002\u6839\u636e\u7f8e\u56fdIDC\u516c\u53f8\u7684\u8c03\u67e5\uff0c\u4f5c\u4e3aCDN\u7684\u4e00\u9879\u91cd\u8981\u6307\u6807 \u2014\u2014 \u7f13\u5b58\u7684\u5e02\u573a\u6b63\u5728\u4ee5\u6bcf\u5e74\u8fd1100%\u7684\u901f\u5ea6\u589e\u957f\uff0c\u5168\u7403\u7684\u8425\u4e1a\u989d\u57282004\u5e74\u5c06\u8fbe\u523045\u4ebf\u7f8e\u5143\u3002\u7f51\u7edc\u6d41\u5a92\u4f53\u7684\u53d1\u5c55\u8fd8\u5c06\u524c\u6fc0\u8fd9\u4e2a\u5e02\u573a\u7684\u9700\u6c42\u3002<\/p>\n

6\uff0eCDN\u7684\u7f51\u7edc\u67b6\u6784
\n<\/strong>\u3000\u3000CDN\u7f51\u7edc\u67b6\u6784\u4e3b\u8981\u7531\u4e24\u5927\u90e8\u5206\uff0c\u5206\u4e3a\u4e2d\u5fc3\u548c\u8fb9\u7f18\u4e24\u90e8\u5206\uff0c\u4e2d\u5fc3\u6307CDN\u7f51\u7ba1\u4e2d\u5fc3\u548cDNS\u91cd\u5b9a\u5411\u89e3\u6790\u4e2d\u5fc3\uff0c\u8d1f\u8d23\u5168\u5c40\u8d1f\u8f7d\u5747\u8861\uff0c\u8bbe\u5907\u7cfb\u7edf\u5b89\u88c5\u5728\u7ba1\u7406\u4e2d\u5fc3\u673a\u623f\uff0c\u8fb9\u7f18\u4e3b\u8981\u6307\u5f02\u5730\u8282\u70b9\uff0cCDN\u5206\u53d1\u7684\u8f7d\u4f53\uff0c\u4e3b\u8981\u7531Cache\u548c\u8d1f\u8f7d\u5747\u8861\u5668\u7b49\u7ec4\u6210\u3002<\/p>\n

\u5f53\u7528\u6237\u8bbf\u95ee\u52a0\u5165CDN\u670d\u52a1\u7684\u7f51\u7ad9\u65f6\uff0c\u57df\u540d\u89e3\u6790\u8bf7\u6c42\u5c06\u6700\u7ec8\u4ea4\u7ed9\u5168\u5c40\u8d1f\u8f7d\u5747\u8861DNS\u8fdb\u884c\u5904\u7406\u3002\u5168\u5c40\u8d1f\u8f7d\u5747\u8861DNS\u901a\u8fc7\u4e00\u7ec4\u9884\u5148\u5b9a\u4e49\u597d\u7684\u7b56\u7565\uff0c\u5c06\u5f53\u65f6\u6700\u63a5\u8fd1\u7528\u6237\u7684\u8282\u70b9\u5730\u5740\u63d0\u4f9b\u7ed9\u7528\u6237\uff0c\u4f7f\u7528\u6237\u80fd\u591f\u5f97\u5230\u5feb\u901f\u7684\u670d\u52a1\u3002\u540c\u65f6\uff0c\u5b83\u8fd8\u4e0e\u5206\u5e03\u5728\u4e16\u754c\u5404\u5730\u7684\u6240\u6709CDNC\u8282\u70b9\u4fdd\u6301\u901a\u4fe1\uff0c\u641c\u96c6\u5404\u8282\u70b9\u7684\u901a\u4fe1\u72b6\u6001\uff0c\u786e\u4fdd\u4e0d\u5c06\u7528\u6237\u7684\u8bf7\u6c42\u5206\u914d\u5230\u4e0d\u53ef\u7528\u7684CDN\u8282\u70b9\u4e0a\uff0c\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7DNS\u505a\u5168\u5c40\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n

\u5bf9\u4e8e\u666e\u901a\u7684Internet\u7528\u6237\u6765\u8bb2\uff0c\u6bcf\u4e2aCDN\u8282\u70b9\u5c31\u76f8\u5f53\u4e8e\u4e00\u4e2a\u653e\u7f6e\u5728\u5b83\u5468\u56f4\u7684WEB\u3002\u901a\u8fc7\u5168\u5c40\u8d1f\u8f7d\u5747\u8861DNS\u7684\u63a7\u5236\uff0c\u7528\u6237\u7684\u8bf7\u6c42\u88ab\u900f\u660e\u5730\u6307\u5411\u79bb\u4ed6\u6700\u8fd1\u7684\u8282\u70b9\uff0c\u8282\u70b9\u4e2dCDN\u670d\u52a1\u5668\u4f1a\u50cf\u7f51\u7ad9\u7684\u539f\u59cb\u670d\u52a1\u5668\u4e00\u6837\uff0c\u54cd\u5e94\u7528\u6237\u7684\u8bf7\u6c42\u3002\u7531\u4e8e\u5b83\u79bb\u7528\u6237\u66f4\u8fd1\uff0c\u56e0\u800c\u54cd\u5e94\u65f6\u95f4\u5fc5\u7136\u66f4\u5feb\u3002<\/p>\n

\u6bcf\u4e2aCDN\u8282\u70b9\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907\u548c\u9ad8\u901f\u7f13\u5b58\u670d\u52a1\u5668<\/p>\n

\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907\u8d1f\u8d23\u6bcf\u4e2a\u8282\u70b9\u4e2d\u5404\u4e2aCache\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u4fdd\u8bc1\u8282\u70b9\u7684\u5de5\u4f5c\u6548\u7387\uff1b\u540c\u65f6\uff0c\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907\u8fd8\u8d1f\u8d23\u6536\u96c6\u8282\u70b9\u4e0e\u5468\u56f4\u73af\u5883\u7684\u4fe1\u606f\uff0c\u4fdd\u6301\u4e0e\u5168\u5c40\u8d1f\u8f7dDNS\u7684\u901a\u4fe1\uff0c\u5b9e\u73b0\u6574\u4e2a\u7cfb\u7edf\u7684\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n

\u9ad8\u901f\u7f13\u5b58\u670d\u52a1\u5668\uff08Cache\uff09\u8d1f\u8d23\u5b58\u50a8\u5ba2\u6237\u7f51\u7ad9\u7684\u5927\u91cf\u4fe1\u606f\uff0c\u5c31\u50cf\u4e00\u4e2a\u9760\u8fd1\u7528\u6237\u7684\u7f51\u7ad9\u670d\u52a1\u5668\u4e00\u6837\u54cd\u5e94\u672c\u5730\u7528\u6237\u7684\u8bbf\u95ee\u8bf7\u6c42\u3002<\/p>\n

CDN\u7684\u7ba1\u7406\u7cfb\u7edf\u662f\u6574\u4e2a\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u8fd0\u8f6c\u7684\u4fdd\u8bc1\u3002\u5b83\u4e0d\u4ec5\u80fd\u5bf9\u7cfb\u7edf\u4e2d\u7684\u5404\u4e2a\u5b50\u7cfb\u7edf\u548c\u8bbe\u5907\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\uff0c\u5bf9\u5404\u79cd\u6545\u969c\u4ea7\u751f\u76f8\u5e94\u7684\u544a\u8b66\uff0c\u8fd8\u53ef\u4ee5\u5b9e\u65f6\u76d1\u6d4b\u5230\u7cfb\u7edf\u4e2d\u603b\u7684\u6d41\u91cf\u548c\u5404\u8282\u70b9\u7684\u6d41\u91cf\uff0c\u5e76\u4fdd\u5b58\u5728\u7cfb\u7edf\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u4f7f\u7f51\u7ba1\u4eba\u5458\u80fd\u591f\u65b9\u4fbf\u5730\u8fdb\u884c\u8fdb\u4e00\u6b65\u5206\u6790\u3002\u901a\u8fc7\u5b8c\u5584\u7684\u7f51\u7ba1\u7cfb\u7edf\uff0c\u7528\u6237\u53ef\u4ee5\u5bf9\u7cfb\u7edf\u914d\u7f6e\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n

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\u3000\u30007. CDN \u793a\u4f8b<\/strong><\/p>\n

<\/strong>\u3000\u3000\u5546\u4e1a\u5316\u7684CDN\u7f51\u7edc\u662f\u7528\u4e8e\u670d\u52a1\u6027\u8d28\u7684\uff0c\u9ad8\u53ef\u7528\u6027\u7b49\u8981\u6c42\u975e\u5e38\u9ad8\uff0c\u6709\u4e13\u4e1a\u4ea7\u54c1\u548cCDN\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\uff0c\u672c\u6587\u4e3b\u8981\u4ece\u7406\u8bba\u89d2\u5ea6\uff0c\u7406\u89e3CDN\u7684\u5b9e\u73b0\u8fc7\u7a0b\uff0c\u5e76\u5229\u7528\u5df2\u6709\u7f51\u7edc\u73af\u5883\u548c\u5f00\u6e90\u8f6f\u4ef6\u505a\u5b9e\u9645\u914d\u7f6e\uff0c\u66f4\u6df1\u523b\u7406\u89e3CDN\u7684\u5177\u4f53\u5de5\u4f5c\u8fc7\u7a0b\u3002<\/p>\n

Linux \u662f\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u514d\u8d39\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5df2\u7ecf\u6210\u529f\u5e94\u7528\u4e8e\u8bb8\u591a\u5173\u952e\u9886\u57df\u3002Bind\u662fUnix\/FreeBSD\/Linux\u7b49\u7c7bUnix\u5e73\u53f0\u4e0a\u975e\u5e38\u6709\u540dDNS\u670d\u52a1\u7a0b\u5e8f\uff0cInternet\u4e0a\u8d85\u8fc760\uff05\u7684DNS\u8fd0\u884c\u7684\u662fbind\u3002Bind\u7684\u6700\u65b0\u7248\u672c\u662f9.x\uff0c\u7528\u7684\u6bd4\u8f83\u591a\u7684\u662f8.x\uff0cbind 9\u6709\u5f88\u591a\u65b0\u7279\u6027\uff0c\u5176\u4e2d\u4e00\u9879\u662f\u6839\u636e\u7528\u6237\u7aef\u6e90\u5730\u5740\u5bf9\u540c\u4e00\u57df\u540d\u89e3\u6790\u4e0d\u540c\u7684IP\u5730\u5740\uff0c\u6709\u4e86\u8fd9\u79cd\u7279\u6027\uff0c\u80fd\u628a\u7528\u6237\u5bf9\u540c\u4e00\u57df\u540d\u7684\u8bbf\u95ee\uff0c\u5f15\u5bfc\u5230\u4e0d\u540c\u5730\u57df\u8282\u70b9\u7684\u670d\u52a1\u5668\u4e0a\u53bb\u8bbf\u95ee\u3002Squid\u662fLinux\u7b49\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u6709\u540d\u7684Cache\u5f15\u64ce\uff0c\u4e0e\u5546\u4e1aCache\u5f15\u64ce\u76f8\u6bd4\uff0cSquid\u7684\u6027\u80fd\u6bd4\u8f83\u4f4e\uff0c\u57fa\u672c\u529f\u80fd\u5de5\u4f5c\u539f\u7406\u4e0e\u5546\u4e1aCache\u4ea7\u54c1\u662f\u4e00\u81f4\u7684\uff0c\u4f5c\u4e3a\u8bd5\u9a8c\uff0c\u662f\u975e\u5e38\u5bb9\u6613\u914d\u7f6e\u8fd0\u884c\u8d77\u6765\u3002\u4ee5\u4e0b\u7b80\u8981\u4ecb\u7ecdCDN\u7684\u914d\u7f6e\u6d41\u7a0b\u3002<\/p>\n

1\u3001\u8981\u52a0\u5165CDN\u670d\u52a1\u7684\u7f51\u7ad9\uff0c\u9700\u8981\u57df\u540d(\u5982www.linuxaid.com.cn, \u5730\u5740202.99.11.120)\u89e3\u6790\u6743\u63d0\u4f9b\u7ed9CDN\u8fd0\u8425\u5546\uff0cLinuxaid\u7684\u57df\u540d\u89e3\u6790\u8bb0\u5f55\u53ea\u8981\u628awww\u4e3b\u673a\u7684A\u8bb0\u5f55\u6539\u4e3aCNAME\u5e76\u6307\u5411cache.cdn.com\u5373\u53ef\u3002cache.cdn.com\u662fCDN\u7f51\u7edc\u81ea\u5b9a\u4e49\u7684\u7f13\u5b58\u670d\u52a1\u5668\u7684\u6807\u8bc6\u3002\u5728\/var\/named\/linuxaid.com.cn\u57df\u540d\u89e3\u6790\u8bb0\u5f55\u4e2d\uff0c\u7531\uff1a<\/p>\n

www             IN      A       202.99.11.120\n\u6539\u4e3a\nwww             IN      CNAME   cache.cdn.com.<\/pre>\n
2\u3001CDN\u8fd0\u8425\u5546\u5f97\u5230\u57df\u540d\u89e3\u6790\u6743\u4ee5\u540e\uff0c\u5f97\u5230\u57df\u540d\u7684CNAME\u8bb0\u5f55\uff0c\u6307\u5411CDN\u7f51\u7edc\u5c5e\u4e0b\u7f13\u5b58\u670d\u52a1\u5668\u7684\u57df\u540d\uff0c\u5982cache.cdn.com\uff0cCDN\u7f51\u7edc\u7684\u5168\u5c40\u8d1f\u8f7d\u5747\u8861DNS\uff0c\u9700\u8981\u628aCNAME\u8bb0\u5f55\u6839\u636e\u7b56\u7565\u89e3\u6790\u51faIP\u5730\u5740\uff0c\u4e00\u822c\u662f\u7ed9\u51fa\u5c31\u8fd1\u8bbf\u95ee\u7684Cache\u5730\u5740\u3002<\/p>\n
Bind 9\u7684\u57fa\u672c\u529f\u80fd\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u6e90IP\u5730\u5740\u6bb5\u89e3\u6790\u5bf9\u5e94\u7684IP\uff0c\u5b9e\u73b0\u6839\u636e\u5730\u57df\u5c31\u8fd1\u8bbf\u95ee\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u4e00\u822c\u53ef\u4ee5\u901a\u8fc7Bind 9\u7684sortlist\u9009\u9879\u5b9e\u73b0\u6839\u636e\u7528\u6237\u7aefIP\u5730\u5740\u8fd4\u56de\u6700\u8fd1\u7684\u8282\u70b9IP\u5730\u5740\uff0c\u5177\u4f53\u7684\u8fc7\u7a0b\u4e3a\uff1a<\/p>\n
1) \u4e3acache.cdn.com\u8bbe\u7f6e\u591a\u4e2aA\u8bb0\u5f55\uff0c\/var\/named\/cdn.com \u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n
$TTL 3600\n@       IN      SOA             ns.cdn.com.     root.ns.cdn.com. (\n                  2002090201      ;Serial num\n                  10800           ;Refresh after 3 hours\n                  3600            ;Retry\n                  604800          ;Expire\n                  1800            ;Time to live\n                  )\n        IN      NS              ns\nwww     IN      A               210.33.21.168\nns      IN      A               202.96.128.68\ncache   IN      A               202.93.22.13    ;\u6709\u591a\u5c11\u4e2aCACHE\u5730\u5740\ncache   IN      A               210.21.30.90    ;\u5c31\u6709\u591a\u5c11\u4e2aCACHE\u7684A\u8bb0\u5f55\ncache   IN      A               211.99.13.47<\/pre>\n
2) \/etc\/named.conf\u4e2d\u7684\u5185\u5bb9\u4e3a\uff1a<\/p>\n
options {\n    directory \"\/var\/named\";\n      sortlist {\n#\u8fd9\u4e00\u6bb5\u8868\u793a\u5f53\u5728\u672c\u5730\u6267\u884c\u67e5\u8be2\u65f6\n#\u5c06\u6309\u7167202.93.22.13,210.21.30.90,211.99.13.47\u7684\u987a\u5e8f\u8fd4\u56de\u5730\u5740\n          { localhost;\n              { localnets;\n                  202.93.22.13;\n                  { 210.21.30.90; 211.99.13.47; };\n              };\n          };\n#\u8fd9\u4e00\u6bb5\u8868\u793a\u5f53\u5728202\/8\u5730\u5740\u6bb5\u8fdb\u884cDNS\u67e5\u8be2\u65f6\n#\u5c06\u6309\u7167202.93.22.13,210.21.30.90,211.99.13.47\u7684\u987a\u5e8f\u8fd4\u56de\u5730\u5740\n          { 202\/8;\n              { 202.93.22.13;\n                  { 210.21.30.90; 211.99.13.47; };\n              };\n          };\n#\u8fd9\u4e00\u6bb5\u8868\u793a\u5f53\u5728211\/8\u5730\u5740\u6bb5\u8fdb\u884cDNS\u67e5\u8be2\u65f6\n#\u5c06\u6309\u7167211.99.13.47,202.93.22.13,210.21.30.90\u7684\u987a\u5e8f\u8fd4\u56de\u5730\u5740\uff0c\n#\u4e5f\u5c31\u662f211.99.13.47\u662f\u6700\u9760\u8fd1\u67e5\u8be2\u5730\u70b9\u7684\u8282\u70b9\n          { 211\/8;\n              { 211.99.13.47;\n                  { 202.93.22.13; 210.21.30.90; };\n              };\n          };\n          { 61\/8;\n              { 202.93.22.13;\n                  { 210.21.30.90; 211.99.13.47; };\n              };\n          };\n      };\n};\nzone \".\" {\n      type hint;\n    file \"root.cache\";\n};\nzone \"localhost\" {\n      type master;\n      file \"localhost\";\n};\nzone \"cdn.com\" {\n    type master;\n      file \"cdn.com\";\n};<\/pre>\n
3\u3001Cache\u5728CDN\u7f51\u7edc\u4e2d\u5982\u679c\u5de5\u4f5c\u5728\u670d\u52a1\u5668\u52a0\u901f\u6a21\u5f0f\uff0c\u56e0\u4e3a\u914d\u7f6e\u91cc\u5df2\u7ecf\u5199\u660e\u52a0\u901f\u670d\u52a1\u5668\u7684url\uff0c\u6240\u4ee5Cache\u76f4\u63a5\u5339\u914d\u7528\u6237\u8bf7\u6c42\uff0c\u5230\u6e90\u670d\u52a1\u5668\u83b7\u5f97\u5185\u5bb9\u5e76\u7f13\u5b58\u4f9b\u4e0b\u6b21\u4f7f\u7528\uff1b\u5982\u679cCache\u5de5\u4f5c\u5728\u5ba2\u6237\u7aef\u52a0\u901f\u6a21\u5f0f\uff0cCache\u9700\u8981\u77e5\u9053\u6e90\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff0c\u6240\u4ee5CDN\u7f51\u7edc\u7ef4\u62a4\u548c\u8fd0\u884c\u4e00\u4e2a\u4f9bCache\u4f7f\u7528\u7684DNS\u670d\u52a1\u5668\uff0c\u89e3\u6790\u57df\u540d\u7684\u771f\u5b9eIP\u5730\u5740\uff0c\u5982202.99.11.120 \uff0c\u5404\u57df\u540d\u7684\u89e3\u6790\u8bb0\u5f55\u4e0e\u672a\u52a0\u5165CDN\u7f51\u7edc\u4e4b\u524d\u4e00\u6837\u3002<\/p>\n
4\u3001\u5de5\u4f5c\u5728CDN\u7f51\u7edc\u4e2d\u7f13\u5b58\u670d\u52a1\u5668\u5fc5\u987b\u5de5\u4f5c\u5728\u900f\u660e\u65b9\u5f0f\uff0c\u5bf9\u4e8eSquid\u6765\u8bf4\uff0c\u9700\u8981\u8bbe\u7f6e\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n
httpd_accel_host virtual\nhttpd_accel_port 80\nhttpd_accel_with_proxy on\nhttpd_accel_uses_host_header on<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6765\u6e90: IT\u4e16\u754c\u7f51\u00a0\u00a0\u53d1\u5e03\u65f6\u95f4: 2011-11-15 14:25 \u00a0 \u3000\u30001. … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[19],"tags":[31],"class_list":["post-459","post","type-post","status-publish","format-standard","hentry","category-site-build","tag-cdn"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/posts\/459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/comments?post=459"}],"version-history":[{"count":0,"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/posts\/459\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/media?parent=459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/categories?post=459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rexdf.org\/ja\/wp-json\/wp\/v2\/tags?post=459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}