\u5167\u5bb9\u50b3\u905e\u7db2\u8def\u5982\u4f55\u63d0\u5347\u65e5\u672c\u4f3a\u670d\u5668\u901f\u5ea6<\/strong><\/h2>\n

\u4ec0\u9ebc\u662f CDN\uff1f<\/h3>\n

\u4f60\u53ef\u4ee5\u628a CDN \u7406\u89e3\u70ba\u4e00\u500b\u904d\u5e03\u5168\u7403\u7684\u4f3a\u670d\u5668\u7db2\u8def\u3002\u9019\u4e9b\u4f3a\u670d\u5668\u6703\u5132\u5b58\u4f60\u7db2\u7ad9\u5167\u5bb9\u7684\u526f\u672c\uff0c\u4e26\u5f9e\u8ddd\u96e2\u4f7f\u7528\u8005\u6700\u8fd1\u7684\u4f4d\u7f6e\u9032\u884c\u5206\u767c\u3002\u7576\u65e5\u672c\u4f7f\u7528\u8005\u9020\u8a2a\u4f60\u7684\u7f51\u7ad9\u6642\uff0cCDN \u6703\u5229\u7528\u4f4d\u65bc\u6771\u4eac\u6216\u5468\u908a\u57ce\u5e02\u7684\u908a\u7de3\u7bc0\u9ede\uff08Edge Server\uff09\u5feb\u901f\u56de\u50b3\u8cc7\u6599\uff0c\u9019\u500b\u904e\u7a0b\u7a31\u70ba\u5167\u5bb9\u50b3\u905e\u3002\u7121\u8ad6\u4f60\u7684\u6e90\u7ad9\u4f3a\u670d\u5668\u90e8\u7f72\u5728\u54ea\u88e1\uff0cCDN \u90fd\u80fd\u78ba\u4fdd\u4f7f\u7528\u8005\u5feb\u901f\u53d6\u5f97\u8cc7\u8a0a\u3002\u5167\u5bb9\u50b3\u905e\u7db2\u8def\u900f\u904e\u667a\u6167\u8def\u7531\u8207\u5feb\u53d6\u4f86\u63d0\u5347\u6548\u80fd\u8207\u53ef\u9760\u6027\u3002<\/p>\n

\n
• CDN \u900f\u904e\u5728\u5168\u7403\u7bc4\u570d\u5167\u90e8\u7f72\u5206\u6563\u5f0f\u4f3a\u670d\u5668\uff0c\u6e1b\u5c11\u65e5\u672c\u4f7f\u7528\u8005\u8207\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u5be6\u969b\u8ddd\u96e2\uff0c\u5f9e\u800c\u964d\u4f4e\u5b58\u53d6\u5ef6\u9072\u3002<\/li>\n
• \u5728\u591a\u500b\u4f4d\u7f6e\u5132\u5b58\u7db2\u7ad9\u8cc7\u6599\u526f\u672c\u5f8c\uff0cCDN \u80fd\u8b93\u4f7f\u7528\u8005\u8acb\u6c42\u7531\u8ddd\u96e2\u6700\u8fd1\u7684\u7bc0\u9ede\u8655\u7406\uff0c\u5927\u5e45\u63d0\u5347\u5b58\u53d6\u901f\u5ea6\u3002<\/li>\n
• \u908a\u7de3\u4f3a\u670d\u5668\uff08Edge Server\uff09\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u5206\u767c\u975c\u614b\u5167\u5bb9\uff0c\u5c0d\u63d0\u5347\u4f3a\u670d\u5668\u6574\u9ad4\u901f\u5ea6\u548c\u4f7f\u7528\u8005\u9ad4\u9a57\u5c24\u70ba\u95dc\u9375\u3002<\/li>\n<\/ul>\n

  CDN \u5c0d\u65e5\u672c\u4f3a\u670d\u5668\u7684\u512a\u52e2<\/h3>\n

  \u5c0d\u65bc\u65e5\u672c\u4f3a\u670d\u5668\u800c\u8a00\uff0cCDN \u80fd\u5e36\u4f86\u591a\u91cd\u512a\u52e2\uff1a\u66f4\u5feb\u7684\u8f09\u5165\u901f\u5ea6\u3001\u66f4\u4f73\u7684\u6548\u80fd\u8868\u73fe\u4ee5\u53ca\u66f4\u9ad8\u7684\u4f7f\u7528\u8005\u6eff\u610f\u5ea6\u3002\u5feb\u53d6\u6a5f\u5236\u5728\u5176\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002\u7576 CDN \u5c0d\u5167\u5bb9\u9032\u884c\u5feb\u53d6\u6642\uff0c\u6a94\u6848\u6703\u5f9e\u6700\u8fd1\u7684\u908a\u7de3\u7bc0\u9ede\u76f4\u63a5\u56de\u50b3\uff0c\u5927\u5e45\u7e2e\u77ed\u8cc7\u6599\u50b3\u8f38\u8ddd\u96e2\uff0c\u52a0\u901f\u5167\u5bb9\u50b3\u905e\u3002\u540c\u6642\uff0c\u4f60\u9084\u80fd\u7372\u5f97\u4e00\u5b9a\u7684\u5b89\u5168\u9632\u8b77\u80fd\u529b\u548c\u5728\u6d41\u91cf\u6fc0\u589e\u6642\u7684\u7a69\u5b9a\u6027\u3002CDN \u53ef\u4ee5\u964d\u4f4e\u983b\u5bec\u6210\u672c\uff0c\u4e26\u5f37\u5316\u7db2\u7ad9\u7684\u5b89\u5168\u6027\u3002<\/p>\n

  \u6ce8\u610f\uff1aCDN \u5feb\u53d6\u6703\u5f9e\u6700\u8fd1\u7684\u908a\u7de3\u7bc0\u9ede\u70ba\u4f7f\u7528\u8005\u63d0\u4f9b\u5167\u5bb9\uff0c\u5c0d\u65bc\u65e5\u672c\u4f7f\u7528\u8005\u4f86\u8aaa\uff0c\u9019\u5c0d\u964d\u4f4e\u5ef6\u9072\u5c24\u70ba\u95dc\u9375\u3002<\/p><\/blockquote>\n

  \n\n\n\n<\/colgroup>\n\n\n\n\n\n

  \u5feb\u53d6\u985e\u578b<\/th>\n	\u8aaa\u660e<\/th>\n<\/tr>\n
  CDN\uff0f\u908a\u7de3\u5feb\u53d6<\/td>\n	\u5c07\u5167\u5bb9\u5b58\u653e\u5728\u9760\u8fd1\u4f7f\u7528\u8005\u7684\u7bc0\u9ede\uff0c\u4ee5\u4fbf\u66f4\u5feb\u901f\u5730\u50b3\u905e\u3002<\/td>\n<\/tr>\n
  \u4f3a\u670d\u5668\u4ee3\u7406\u5feb\u53d6\uff08NGINX\uff09<\/td>\n	\u66ab\u6642\u5c07\u5167\u5bb9\u5feb\u53d6\u5728\u4f3a\u670d\u5668\u4e0a\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5b58\u53d6\u3002<\/td>\n<\/tr>\n
  \u61c9\u7528\u5c64\u5feb\u53d6<\/td>\n	\u5728\u61c9\u7528\u5c64\u9762\u52a0\u901f\u9801\u9762\u8f09\u5165\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n CDN \u900f\u904e\u7e2e\u77ed\u8f09\u5165\u6642\u9593\u4f86\u63d0\u5347\u7db2\u7ad9\u6548\u80fd\uff0c\u5c24\u5176\u662f\u5728\u65e5\u672c\u4f7f\u7528\u8005\u5b58\u53d6\u8ddd\u96e2\u8f03\u9060\u6e90\u7ad9\u6642\u6548\u679c\u986f\u8457\u3002<\/li>\n CDN \u63d0\u9ad8\u5167\u5bb9\u53ef\u7528\u6027\u8207\u5099\u63f4\u80fd\u529b\uff0c\u5728\u9ad8\u6d41\u91cf\u6216\u906d\u9047\u653b\u64ca\u6642\u53ef\u6709\u6548\u9632\u6b62\u7db2\u7ad9\u7576\u6a5f\u3002<\/li>\n \u9801\u9762\u8f09\u5165\u66f4\u5feb\u3001\u7de9\u885d\u6e1b\u5c11\uff0c\u6709\u52a9\u65bc\u63d0\u5347\u4f7f\u7528\u8005\u53c3\u8207\u5ea6\u8207\u6eff\u610f\u5ea6\u3002<\/li>\n \u5f97\u76ca\u65bc\u9ad8\u6548\u5feb\u53d6\u6280\u8853\uff0cCDN \u80fd\u964d\u4f4e\u983b\u5bec\u6d88\u8017\u8207\u57fa\u790e\u8a2d\u65bd\u6210\u672c\u3002<\/li>\n CDN \u9084\u80fd\u5f37\u5316\u7ad9\u9ede\u5b89\u5168\u6027\uff0c\u62b5\u79a6\u5982 DDoS \u7b49\u7db2\u8def\u653b\u64ca\u3002<\/li>\n<\/ul>\n CDN \u5982\u4f55\u964d\u4f4e\u5ef6\u9072<\/h3>\n CDN \u501f\u52a9\u908a\u7de3\u7bc0\u9ede\u57fa\u790e\u8a2d\u65bd\u8207\u667a\u6167\u8def\u7531\u4f86\u76e1\u91cf\u6e1b\u5c11\u5ef6\u9072\u3002\u555f\u7528 CDN \u5f8c\uff0c\u4f60\u7684\u5167\u5bb9\u6703\u88ab\u8907\u88fd\u5230\u591a\u500b\u7bc0\u9ede\u3002\u5982\u6b64\u4e00\u4f86\uff0c\u65e5\u672c\u6771\u4eac\u7684\u4f7f\u7528\u8005\u5c31\u53ef\u4ee5\u76f4\u63a5\u5f9e\u9644\u8fd1\u7684\u908a\u7de3\u7bc0\u9ede\u53d6\u5f97\u8cc7\u6599\uff0c\u800c\u4e0d\u662f\u5f9e\u9059\u9060\u7684\u6e90\u7ad9\u547c\u53eb\u3002\u900f\u904e BGP \u8def\u7531\u6700\u4f73\u5316\uff08BGP routing optimization\uff09\uff0c\u8cc7\u6599\u5c01\u5305\u6703\u8d70\u6700\u5feb\u7684\u8def\u5f91\u3002CDN \u5feb\u53d6\u5247\u9032\u4e00\u6b65\u7e2e\u77ed\u8cc7\u6599\u50b3\u8f38\u8ddd\u96e2\uff0c\u5f9e\u800c\u76f4\u63a5\u6539\u5584\u8f09\u5165\u6642\u9593\u3002<\/p>\n \n Fastly \u900f\u904e\u57fa\u65bc DNS \u7684\u908a\u7de3\u4f4d\u7f6e\u9078\u64c7\u6a5f\u5236\uff0c\u4f86\u76e1\u53ef\u80fd\u964d\u4f4e\u7d42\u7aef\u4f7f\u7528\u8005\u7684\u5b58\u53d6\u5ef6\u9072\u3002<\/li>\n \u9ad8\u6548\u7684\u5feb\u53d6\u7b56\u7565\u8207\u5408\u7406\u7684\u6dd8\u6c70\u7b56\u7565\u53ef\u4ee5\u7e2e\u77ed\u9801\u9762\u8f09\u5165\u6642\u9593\uff0c\u4e26\u6e1b\u5c11\u6e90\u7ad9\u8ca0\u8f09\u3002<\/li>\n \u76e3\u63a7\u5de5\u5177\u53ef\u4ee5\u5448\u73fe\u6d41\u91cf\u6a21\u5f0f\u8207\u6548\u80fd\u6307\u6a19\uff0c\u5c0d\u65bc\u512a\u5316 CDN \u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<\/ul>\n \u4f60\u53ef\u4ee5\u900f\u904e\u4e0b\u8868\u76f4\u89c0\u4e86\u89e3 CDN \u5c0d\u5ef6\u9072\u7684\u5f71\u97ff\uff1a<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n CDN<\/th>\n \u6771\u4eac P95 TTFB<\/th>\n<\/tr>\n Akamai<\/td>\n 85 ms<\/td>\n<\/tr>\n Cloudflare<\/td>\n 90 ms<\/td>\n<\/tr>\n BlazingCDN<\/td>\n 78 ms<\/td>\n<\/tr>\n Fastly<\/td>\n 88 ms<\/td>\n<\/tr>\n Amazon CloudFront<\/td>\n 87 ms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u63d0\u793a\uff1a\u5408\u7406\u904b\u7528 CDN \u5feb\u53d6\uff0c\u80fd\u5c07\u65e5\u672c\u4f7f\u7528\u8005\u7684\u8f09\u5165\u6642\u9593\u5f9e\u6578\u767e\u6beb\u79d2\u964d\u81f3\u6578\u5341\u6beb\u79d2\uff0c\u751a\u81f3\u500b\u4f4d\u6578\u6beb\u79d2\u7d1a\u3002<\/p><\/blockquote>\n \u70ba\u65e5\u672c\u4f3a\u670d\u5668\u90e8\u7f72 CDN<\/strong><\/h2>\n \u9078\u64c7\u5408\u9069\u7684 CDN \u670d\u52d9\u5546<\/h3>\n \u70ba\u65e5\u672c\u4f3a\u670d\u5668\u9078\u64c7\u5408\u9069\u7684 CDN \u670d\u52d9\u5546\uff0c\u5c0d\u901f\u5ea6\u8207\u53ef\u9760\u6027\u5f71\u97ff\u5de8\u5927\u3002\u4f60\u9700\u8981\u9078\u64c7\u5728\u65e5\u672c\u64c1\u6709\u5b8c\u5584\u57fa\u790e\u8a2d\u65bd\uff0c\u4e26\u80fd\u63d0\u4f9b\u7b26\u5408\u81ea\u8eab\u9700\u6c42\u7279\u6027\u7684\u670d\u52d9\u5546\u3002\u6709\u4e9b CDN \u5ee0\u5546\u5728\u8986\u84cb\u7bc4\u570d\u53ca\u9032\u968e\u5b89\u5168\u80fd\u529b\u65b9\u9762\u66f4\u5177\u512a\u52e2\u3002\u4e0b\u9762\u9019\u5f35\u8868\u6bd4\u8f03\u4e86\u5169\u500b\u5e38\u898b\u9078\u9805\uff1a<\/p>\n \n\n\n\n\n<\/colgroup>\n\n\n\n\n CDN \u670d\u52d9\u5546<\/th>\n \u4e3b\u8981\u7279\u6027<\/th>\n \u57fa\u790e\u8a2d\u65bd\u8986\u84cb<\/th>\n<\/tr>\n Akamai<\/td>\n \u5168\u7403 4,100+ \u7bc0\u9ede\u3001\u4f01\u696d\u7d1a\u5b89\u5168\u3001\u9632\u8b77\u8207\u8996\u8a0a\u4e32\u6d41\u512a\u5316<\/td>\n \u5728\u65e5\u672c\u64c1\u6709\u5f37\u5927\u7684\u7bc0\u9ede\u8986\u84cb\uff0c\u4e26\u5177\u5099\u5ee3\u6cdb\u7684\u5168\u7403\u7db2\u8def<\/td>\n<\/tr>\n CDN5<\/td>\n \u9ad8\u9632 CDN\u3001\u52d5\u614b\u52a0\u901f\u3001\u6574\u5408\u5f0f\u5b89\u5168\u67b6\u69cb<\/td>\n \u5728\u6771\u5357\u4e9e\u5177\u5099\u8f03\u5f37\u8986\u84cb\uff0c\u4e26\u652f\u63f4\u65e5\u6587<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u5728\u8a55\u4f30 CDN \u670d\u52d9\u5546\u6642\uff0c\u4f60\u61c9\u91cd\u9ede\u95dc\u6ce8\u4ee5\u4e0b\u95dc\u9375\u6307\u6a19\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u91dd\u5c0d\u65e5\u672c\u4f3a\u670d\u5668\u5be6\u73fe\u6700\u4f73\u6548\u80fd\u6642\u61c9\u512a\u5148\u8003\u91cf\u7684\u8981\u9ede\uff1a<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n \u8a55\u4f30\u6a19\u6e96<\/th>\n \u8aaa\u660e<\/th>\n<\/tr>\n \u5168\u7403\u7bc0\u9ede\u8986\u84cb<\/td>\n \u6aa2\u67e5\u7bc0\u9ede\u5206\u5e03\u60c5\u6cc1\uff0c\u78ba\u4fdd\u5728\u65e5\u672c\u7b49\u91cd\u9ede\u5340\u57df\u5177\u5099\u4f4e\u5ef6\u9072\u5b58\u53d6\u80fd\u529b\u3002<\/td>\n<\/tr>\n \u771f\u5be6\u5ef6\u9072\u8868\u73fe<\/td>\n \u5411\u670d\u52d9\u5546\u7d22\u53d6\u65e5\u672c\u5730\u5340\u7684\u5be6\u969b\u5ef6\u9072\u6578\u64da\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u7bc0\u9ede\u7e3d\u6578\u3002<\/td>\n<\/tr>\n \u5b89\u5168\u80fd\u529b<\/td>\n \u95dc\u6ce8 DDoS \u9632\u8b77\u80fd\u529b\u4ee5\u53ca\u53ef\u80fd\u5f71\u97ff\u670d\u52d9\u7684\u96b1\u85cf\u9650\u5236\u3002<\/td>\n<\/tr>\n \u8cbb\u7528\u900f\u660e\u5ea6<\/td>\n \u91d0\u6e05\u6240\u6709\u6210\u672c\u7d50\u69cb\uff0c\u5305\u62ec\u56de\u6e90\u6d41\u91cf\u7684\u8a08\u8cbb\u65b9\u5f0f\u3002<\/td>\n<\/tr>\n \u67b6\u69cb\u76f8\u5bb9\u6027<\/td>\n \u78ba\u4fdd CDN \u80fd\u8207\u7576\u524d\u4f3a\u670d\u5668\u67b6\u69cb\u9806\u5229\u6574\u5408\u3002<\/td>\n<\/tr>\n \u5c0d\u7b49\u4e92\u806f\u5bc6\u5ea6<\/td>\n \u67e5\u770b\u670d\u52d9\u5546\u5728\u5404\u5927\u96fb\u4fe1\u5546\u8207\u4ea4\u63db\u4e2d\u5fc3\u7684\u5c0d\u7b49\u4e92\u806f\u60c5\u6cc1\uff0c\u4ee5\u7372\u5f97\u66f4\u4f73\u6548\u80fd\u3002<\/td>\n<\/tr>\n \u4f9b\u61c9\u5546\u7a69\u5b9a\u6027<\/td>\n \u512a\u5148\u9078\u64c7\u8ca1\u52d9\u72c0\u6cc1\u7a69\u5065\u3001\u5177\u5099\u9577\u671f\u767c\u5c55\u898f\u5283\u7684\u670d\u52d9\u5546\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u63d0\u793a\uff1a\u6b63\u5f0f\u9078\u578b\u524d\uff0c\u4e00\u5b9a\u8981\u5f9e\u65e5\u672c\u7576\u5730\u9032\u884c\u771f\u5be6\u5ef6\u9072\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u4f60\u7684\u65e5\u672c\u4f3a\u670d\u5668\u80fd\u5920\u63d0\u4f9b\u6700\u4f73\u5b58\u53d6\u9ad4\u9a57\u3002<\/p><\/blockquote>\n \u5c07 CDN \u6574\u5408\u5230\u4f60\u7684\u4f3a\u670d\u5668<\/h3>\n \u4f60\u53ef\u4ee5\u900f\u904e\u5e7e\u500b\u6280\u8853\u6b65\u9a5f\u4f86\u5b8c\u6210\u65e5\u672c\u4f3a\u670d\u5668\u7684 CDN \u90e8\u7f72\u3002\u5408\u7406\u7684\u914d\u7f6e\u53ef\u4ee5\u8b93\u65e5\u672c\u4f7f\u7528\u8005\u5f9e\u6700\u8fd1\u7684\u908a\u7de3\u7bc0\u9ede\u53d6\u5f97\u5167\u5bb9\uff0c\u9032\u800c\u63d0\u5347\u5b58\u53d6\u901f\u5ea6\u8207\u6548\u80fd\u3002\u4ee5\u4e0b\u662f\u7c21\u5316\u6b65\u9a5f\u793a\u610f\uff1a<\/p>\n \n \u65e5\u672c\u4f7f\u7528\u8005\u5728\u700f\u89bd\u5668\u4e2d\u8f38\u5165\u4f60\u7684\u7f51\u7ad9\u7db2\u5740\u5f8c\uff0c\u700f\u89bd\u5668\u6703\u5411\u905e\u8ff4\u89e3\u6790\u5668\uff08Recursive Resolver\uff09\u767c\u51fa\u8acb\u6c42\uff0c\u67e5\u8a62\u5c0d\u61c9\u7684 IP \u4f4d\u5740\u3002<\/li>\n \u4f60\u5728\u7db2\u57df DNS \u8a2d\u5b9a\u4e2d\u5efa\u7acb CNAME \u7d00\u9304\uff0c\u4f7f\u5176\u6307\u5411 CDN \u63d0\u4f9b\u7684\u63a5\u5165\u7db2\u57df\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u6307\u5411\u6e90\u7ad9 IP\u3002<\/li>\n CDN \u7684 DNS \u4f3a\u670d\u5668\u900f\u904e\u667a\u6167\u5730\u7406\u4f4d\u7f6e\u9078\u64c7\u6a5f\u5236\uff0c\u70ba\u65e5\u672c\u4f7f\u7528\u8005\u6311\u9078\u6700\u8fd1\u7684\u908a\u7de3\u7bc0\u9ede\u3002<\/li>\n CDN DNS \u4f3a\u670d\u5668\u5c07\u9078\u5b9a\u908a\u7de3\u7bc0\u9ede\u7684 IP \u4f4d\u5740\u56de\u50b3\u7d66\u4f7f\u7528\u8005\u700f\u89bd\u5668\u3002<\/li>\n \u700f\u89bd\u5668\u5411\u8a72\u908a\u7de3\u7bc0\u9ede\u8acb\u6c42\u5167\u5bb9\uff0c\u908a\u7de3\u7bc0\u9ede\u5feb\u901f\u56de\u50b3\u9801\u9762\uff0c\u5f9e\u800c\u7e2e\u77ed\u8f09\u5165\u6642\u9593\u4e26\u63d0\u5347\u6574\u9ad4\u6548\u80fd\u3002<\/li>\n<\/ol>\n \u6ce8\u610f\uff1a\u5408\u7406\u90e8\u7f72 CDN \u80fd\u4f7f\u4f60\u7684\u65e5\u672c\u4f3a\u670d\u5668\u627f\u8f09\u66f4\u9ad8\u6d41\u91cf\uff0c\u4e26\u4ee5\u66f4\u5feb\u901f\u5ea6\u5411\u65e5\u672c\u4f7f\u7528\u8005\u50b3\u905e\u5167\u5bb9\u3002<\/p><\/blockquote>\n \u9762\u5411\u65e5\u672c\u7684\u591a CDN \u7b56\u7565<\/h3>\n \u5982\u679c\u4f60\u5e0c\u671b\u9032\u4e00\u6b65\u63d0\u5347\u65e5\u672c\u4f3a\u670d\u5668\u7684\u53ef\u9760\u6027\u8207\u901f\u5ea6\uff0c\u53ef\u4ee5\u63a1\u7528\u591a CDN\uff08Multi-CDN\uff09\u7b56\u7565\u3002\u9019\u7a2e\u65b9\u5f0f\u6703\u540c\u6642\u63a5\u5165\u5169\u500b\u6216\u4ee5\u4e0a\u7684 CDN \u670d\u52d9\u5546\u3002\u591a CDN \u5e36\u4f86\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n \n \u85c9\u7531\u591a\u500b\u5730\u7406\u5206\u5e03\u5ee3\u6cdb\u7684\u7bc0\u9ede\u7fa4\u7d44\uff0c\u4f60\u53ef\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u8986\u84cb\u80fd\u529b\uff0c\u964d\u4f4e\u65e5\u672c\u4f7f\u7528\u8005\u5b58\u53d6\u5ef6\u9072\u3001\u63d0\u5347\u56de\u61c9\u901f\u5ea6\u3002<\/li>\n \u4f7f\u7528\u8005\u59cb\u7d42\u9023\u7dda\u5230\u8ddd\u96e2\u6700\u8fd1\u3001\u8868\u73fe\u66f4\u512a\u7684\u7bc0\u9ede\uff0c\u5f9e\u800c\u5be6\u73fe\u66f4\u5feb\u7684\u8f09\u5165\u901f\u5ea6\u8207\u66f4\u4f73\u9ad4\u9a57\u3002<\/li>\n \u591a\u500b CDN \u63d0\u4f9b\u5099\u63f4\u80fd\u529b\uff0c\u7576\u5176\u4e2d\u4e00\u5bb6\u51fa\u73fe\u7576\u6a5f\u6216\u6545\u969c\u6642\uff0c\u5176\u4ed6 CDN \u53ef\u4ee5\u63a5\u624b\u6d41\u91cf\uff0c\u78ba\u4fdd\u65e5\u672c\u4f3a\u670d\u5668\u6301\u7e8c\u5728\u7dda\u3002<\/li>\n<\/ul>\n \u5c08\u696d\u63d0\u793a\uff1a\u591a CDN \u7b56\u7565\u53ef\u4ee5\u6709\u6548\u898f\u907f\u5340\u57df\u6027\u7576\u6a5f\u8207\u7a81\u767c\u6d41\u91cf\u5e36\u4f86\u7684\u98a8\u96aa\uff0c\u8b93\u4f60\u7684\u7ad9\u9ede\u5728\u9ad8\u9700\u6c42\u60c5\u5883\u4e0b\u4f9d\u820a\u4fdd\u6301\u9ad8\u901f\u8207\u7a69\u5b9a\u3002<\/p><\/blockquote>\n \u900f\u904e\u9078\u64c7\u5408\u9069\u7684 CDN \u670d\u52d9\u5546\u3001\u8207\u4f3a\u670d\u5668\u9032\u884c\u5408\u7406\u6574\u5408\uff0c\u4e26\u8a55\u4f30\u662f\u5426\u63a1\u7528\u591a CDN \u65b9\u6848\uff0c\u4f60\u53ef\u4ee5\u6700\u5927\u5316\u65e5\u672c\u4f3a\u670d\u5668\u7684\u901f\u5ea6\u8207\u53ef\u9760\u6027\u3002\u5982\u6b64\u4e00\u4f86\uff0c\u65e5\u672c\u4f7f\u7528\u8005\u5c31\u80fd\u9577\u671f\u4eab\u53d7\u5feb\u901f\u3001\u7a69\u5b9a\u4e14\u5b89\u5168\u7684\u7db2\u7ad9\u5b58\u53d6\u9ad4\u9a57\u3002<\/p>\n \u512a\u5316 CDN \u5728\u65e5\u672c\u7684\u8868\u73fe<\/strong><\/h2>\n \u5feb\u53d6\u7b56\u7565<\/h3>\n \u82e5\u8981\u63d0\u5347\u65e5\u672c\u4f3a\u670d\u5668\u7684\u6548\u80fd\uff0c\u6709\u6548\u7684\u5feb\u53d6\u7b56\u7565\u4e0d\u53ef\u6216\u7f3a\u3002Nginx \u5feb\u53d6\u6a5f\u5236\u53ef\u4ee5\u986f\u8457\u6e1b\u8f15\u6e90\u7ad9\u58d3\u529b\u4e26\u7e2e\u77ed\u56de\u61c9\u6642\u9593\u3002\u7576\u8cc7\u6599\u5f9e\u672c\u5730\u5feb\u53d6\u76f4\u63a5\u56de\u50b3\u6642\uff0c\u9801\u9762\u8f09\u5165\u901f\u5ea6\u6703\u660e\u986f\u63d0\u9ad8\uff0c\u8f38\u9001\u91cf\u4e5f\u96a8\u4e4b\u4e0a\u5347\u3002\u540c\u6642\uff0c\u4f60\u9084\u80fd\u964d\u4f4e\u8cc7\u6599\u5eab\u8ca0\u8f09\uff0c\u907f\u514d\u6210\u70ba\u6548\u80fd\u74f6\u9838\uff0c\u4e26\u63d0\u5347\u6574\u9ad4\u53ef\u64f4\u5145\u6027\u3002\u900f\u904e\u5feb\u53d6\uff0c\u4f60\u7684\u61c9\u7528\u53ef\u4ee5\u5728\u4e0d\u589e\u52a0\u8cc7\u6599\u5eab\u8cc7\u6e90\u7684\u524d\u63d0\u4e0b\u652f\u6490\u66f4\u9ad8\u6d41\u91cf\uff0c\u5f9e\u800c\u9054\u6210\u6210\u672c\u6700\u4f73\u5316\u3002<\/p>\n \u9ad8\u5feb\u53d6\u547d\u4e2d\u7387\uff08Cache Hit Ratio\uff09\u662f\u5be6\u73fe\u6700\u4f73\u6548\u80fd\u7684\u95dc\u9375\u3002\u5728\u65e5\u672c\u5730\u5340\uff0c\u5c07\u5feb\u53d6\u547d\u4e2d\u7387\u7dad\u6301\u5728 90% \u4ee5\u4e0a\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u56de\u61c9\u6642\u9593\u8207\u4f3a\u670d\u5668\u6548\u7387\u3002\u4f60\u9700\u8981\u7406\u89e3\u4ee3\u7406\u5feb\u53d6\uff08Proxy Caching\uff09\u7684\u904b\u4f5c\u6a5f\u5236\uff0c\u5408\u7406\u4f7f\u7528 proxy_cache_path<\/code> \u8207 proxy_cache_valid<\/code> \u7b49\u95dc\u9375\u6307\u4ee4\uff0c\u4e26\u900f\u904e proxy_no_cache<\/code> \u7b49\u53c3\u6578\u63a7\u5236\u52d5\u614b\u5167\u5bb9\u7684\u5feb\u53d6\u5931\u6548\u3002\u9019\u4e9b\u6548\u80fd\u8abf\u6821\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9\u4f60\u6700\u5927\u5316\u5feb\u53d6\u5e36\u4f86\u7684\u6536\u76ca\uff0c\u4e26\u6301\u7e8c\u7dad\u6301\u8f03\u4f4e\u7684\u9801\u9762\u8f09\u5165\u6642\u9593\u3002<\/p>\n \u964d\u4f4e\u5ef6\u9072<\/h3>\n \u82e5\u8981\u964d\u4f4e\u5ef6\u9072\uff0c\u9700\u8981\u78ba\u4fdd CDN \u512a\u5148\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u53ef\u7528\u5feb\u53d6\u7248\u672c\u3002\u82e5\u6c92\u6709\u5feb\u53d6\u547d\u4e2d\uff0cCDN \u624d\u6703\u56de\u6e90\u6293\u53d6\u6a94\u6848\uff0c\u4e26\u5c07\u5176\u5feb\u53d6\u4f9b\u5f8c\u7e8c\u8acb\u6c42\u4f7f\u7528\u3002\u63a1\u7528\u300cTokyo-first\u300d\u67b6\u69cb\u8a2d\u8a08\uff0c\u5c07\u95dc\u9375\u670d\u52d9\u5118\u91cf\u8cbc\u8fd1\u65e5\u672c\u4f7f\u7528\u8005\uff0c\u80fd\u9032\u4e00\u6b65\u7e2e\u77ed\u5ef6\u9072\u3002\u540c\u6642\uff0c\u53ef\u4ee5\u5c07\u975c\u614b\u5167\u5bb9\u50b3\u905e\u5b8c\u5168\u4ea4\u7d66 CDN\uff0c\u4e26\u5c07\u9ad4\u91cf\u8f03\u5927\u7684\u5206\u6790\u4efb\u52d9\u5340\u57df\u5316\u8655\u7406\uff0c\u4ee5\u7e2e\u77ed\u8f09\u5165\u6642\u9593\u3002\u5f9e\u908a\u7de3\u7bc0\u9ede\u76f4\u63a5\u5206\u767c\u5feb\u53d6\u5167\u5bb9\uff0c\u4e0d\u50c5\u80fd\u5927\u5e45\u52a0\u5feb\u56de\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u78ba\u4fdd\u6574\u9ad4\u7db2\u7ad9\u5b58\u53d6\u901f\u5ea6\u59cb\u7d42\u7dad\u6301\u5728\u9ad8\u6c34\u6e96\u3002<\/p>\n \u900f\u904e CDN \u6700\u4f73\u5316\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u7e2e\u77ed\u8acb\u6c42\u5728\u7db2\u8def\u4e2d\u7684\u5f80\u8fd4\u8ddd\u96e2\u3002\u5df2\u5feb\u53d6\u5167\u5bb9\u53ef\u88ab\u5373\u6642\u56de\u50b3\uff0c\u5f9e\u800c\u6700\u5927\u9650\u5ea6\u6e1b\u5c11\u8f09\u5165\u6642\u9593\u4e26\u653e\u5927\u6548\u80fd\u6536\u76ca\u3002\u908a\u7de3\u7bc0\u9ede\u5728\u5167\u5bb9\u50b3\u905e\u8207\u6548\u80fd\u512a\u5316\u7b56\u7565\u4e2d\u626e\u6f14\u95dc\u9375\u89d2\u8272\u3002<\/p>\n \u6548\u80fd\u76e3\u63a7<\/h3>\n \u82e5\u8981\u7dad\u6301\u9ad8\u7db2\u7ad9\u901f\u5ea6\u8207\u4f3a\u670d\u5668\u6548\u7387\uff0c\u4f60\u9700\u8981\u5c0d CDN \u6548\u80fd\u9032\u884c\u6301\u7e8c\u76e3\u63a7\u3002\u6709\u591a\u7a2e\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u4f60\u8ffd\u8e64\u6548\u80fd\u63d0\u5347\u4e26\u767c\u73fe\u6f5b\u5728\u554f\u984c\uff1a<\/p>\n \n\n\n\n\n<\/colgroup>\n\n\n\n\n\n \u5de5\u5177\u540d\u7a31<\/th>\n \u529f\u80fd\u63cf\u8ff0<\/th>\n \u6e2c\u8a66\u5730\u9ede<\/th>\n<\/tr>\n CDN Performance Checker<\/td>\n \u5373\u6642\u6aa2\u67e5 CDN \u662f\u5426\u5b58\u5728\u903e\u6642\u3001\u932f\u8aa4\u8207\u5feb\u53d6\u554f\u984c\u3002<\/td>\n \u7f8e\u570b\u3001\u5df4\u897f\u3001\u6cd5\u570b\u3001\u82f1\u570b\u3001\u9999\u6e2f\u3001\u65e5\u672c\u3001\u6fb3\u6d32<\/td>\n<\/tr>\n CDNPerf<\/td>\n \u6839\u64da\u6578\u5341\u5104\u6b21\u6e2c\u8a66\u7d50\u679c\uff0c\u8a55\u4f30\u5404\u5bb6 CDN \u7684\u901f\u5ea6\u8207\u53ef\u9760\u6027\u3002<\/td>\n \u5168\u7403<\/td>\n<\/tr>\n Compare CDN Performance<\/td>\n \u5c0d\u4e3b\u6d41 CDN \u5728\u53ef\u7528\u6027\u3001\u5ef6\u9072\u8207\u8f38\u9001\u91cf\u7b49\u6307\u6a19\u4e0a\u9032\u884c\u6392\u540d\u6bd4\u8f03\u3002<\/td>\n \u5168\u7403<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u53ef\u4ee5\u5229\u7528 CDN Performance Checker \u76e3\u6e2c\u65e5\u672c\u5730\u5340\u7684\u903e\u6642\u53ca\u5feb\u53d6\u6545\u969c\u60c5\u6cc1\u3002CDNPerf \u5247\u900f\u904e\u5927\u91cf\u6e2c\u8a66\u8cc7\u6599\u5206\u6790\u5404\u5bb6 CDN \u7684\u6548\u80fd\u8207\u4e0a\u7dda\u7387\u3002\u800c Compare CDN Performance \u5141\u8a31\u4f60\u6839\u64da\u53ef\u7528\u6027\u8207\u5ef6\u9072\u7b49\u6307\u6a19\uff0c\u5c0d\u4e3b\u6d41 CDN \u9032\u884c\u6a6b\u5411\u6bd4\u8f03\u3002\u900f\u904e\u5b9a\u671f\u76e3\u63a7\uff0c\u4f60\u53ef\u4ee5\u78ba\u4fdd\u6301\u7e8c\u7dad\u6301\u6700\u4f73\u6548\u80fd\uff0c\u4e26\u6700\u5927\u5316\u65e5\u672c\u4f3a\u670d\u5668\u7684\u6548\u80fd\u6536\u76ca\u3002<\/p>\n \u63d0\u793a\uff1a\u6301\u7e8c\u76e3\u63a7\u8207\u4e0d\u65b7\u512a\u5316\uff0c\u662f\u70ba\u65e5\u672c\u4f7f\u7528\u8005\u63d0\u4f9b\u6700\u4f73\u7db2\u7ad9\u901f\u5ea6\u8207\u8f09\u5165\u6642\u9593\u7684\u95dc\u9375\u3002<\/p><\/blockquote>\n \u8a55\u4f30 CDN \u5c0d\u4f3a\u670d\u5668\u901f\u5ea6\u7684\u5f71\u97ff<\/strong><\/h2>\n \u901f\u5ea6\u6e2c\u8a66\u5de5\u5177<\/h3>\n \u4f60\u53ef\u4ee5\u900f\u904e\u591a\u7a2e\u5c08\u696d\u5de5\u5177\u91cf\u5316 CDN \u5c0d\u65e5\u672c\u4f3a\u670d\u5668\u7684\u52a0\u901f\u6548\u679c\uff0c\u9019\u4e9b\u5de5\u5177\u65e2\u80fd\u5e6b\u52a9\u4f60\u8ffd\u8e64\u901f\u5ea6\u63d0\u5347\uff0c\u4e5f\u80fd\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002\u5e38\u7528\u5de5\u5177\u5305\u62ec CDNPerf\u3001WebPageTest \u8207 Pingdom\u3002\u6bcf\u7a2e\u5de5\u5177\u90fd\u652f\u63f4\u5f9e\u591a\u500b\u5730\u9ede\uff08\u5305\u542b\u65e5\u672c\uff09\u767c\u8d77\u6e2c\u8a66\uff0c\u5354\u52a9\u4f60\u4e86\u89e3\u908a\u7de3\u7bc0\u9ede\u5728\u672c\u5730\u4f7f\u7528\u8005\u7aef\u7684\u5be6\u969b\u8868\u73fe\u3002\u4f60\u4e5f\u61c9\u7d50\u5408 CDN \u670d\u52d9\u5546\u63d0\u4f9b\u7684\u5167\u5efa\u5206\u6790\u529f\u80fd\uff0c\u76e3\u63a7\u5feb\u53d6\u547d\u4e2d\u7387\u8207\u5ef6\u9072\u60c5\u6cc1\u3002\u900f\u904e\u591a\u5730\u5340\u6e2c\u8a66\uff0c\u4f60\u53ef\u4ee5\u7372\u5f97\u66f4\u5168\u9762\u7684\u4f3a\u670d\u5668\u6548\u80fd\u8996\u5716\u3002<\/p>\n \u63d0\u793a\uff1a\u5efa\u8b70\u5728\u4e00\u5929\u4e2d\u4e0d\u540c\u6642\u6bb5\u591a\u6b21\u6e2c\u8a66\uff0c\u4ee5\u767c\u73fe\u53ef\u80fd\u5f71\u97ff\u7db2\u7ad9\u9ad4\u9a57\u7684\u6d41\u91cf\u9ad8\u5cf0\u8207\u6548\u80fd\u6ce2\u52d5\u3002<\/p><\/blockquote>\n \u7d50\u679c\u5206\u6790<\/h3>\n \u5728\u6536\u96c6\u5b8c\u901f\u5ea6\u6e2c\u8a66\u8cc7\u6599\u5f8c\uff0c\u4f60\u9700\u8981\u5c0d\u7d50\u679c\u9032\u884c\u5206\u6790\uff0c\u4ee5\u5224\u65b7 CDN \u5c0d\u4f3a\u670d\u5668\u901f\u5ea6\u7684\u5be6\u969b\u5f71\u97ff\u3002\u61c9\u91cd\u9ede\u95dc\u6ce8\u5f80\u8fd4\u6642\u9593\uff08RTT\uff09\u3001\u5feb\u53d6\u547d\u4e2d\u7387\u4ee5\u53ca\u9577\u5c3e\u5ef6\u9072\u7b49\u6307\u6a19\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u5728\u6700\u4f73\u5316\u908a\u7de3\u7bc0\u9ede\u4f4d\u7f6e\u5f8c\uff0c\u9019\u4e9b\u6307\u6a19\u53ef\u80fd\u51fa\u73fe\u7684\u8b8a\u5316\u7bc4\u4f8b\uff1a<\/p>\n \n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n \u6307\u6a19<\/th>\n \u8abf\u6574 PoP \u524d<\/th>\n \u8abf\u6574 PoP \u5f8c<\/th>\n \u6539\u5584\u60c5\u6cc1<\/th>\n<\/tr>\n \u5230 PoP \u7684 RTT \u4e2d\u4f4d\u6578<\/td>\n \u504f\u9ad8<\/td>\n \u964d\u4f4e\u7d04 25%<\/td>\n \u5f80\u8fd4\u5ef6\u9072\u986f\u8457\u4e0b\u964d<\/td>\n<\/tr>\n \u9577\u5c3e\u5ef6\u9072<\/td>\n \u504f\u9ad8<\/td>\n \u6709\u6240\u964d\u4f4e<\/td>\n \u5c3e\u90e8\u8acb\u6c42\u52a0\u901f\u660e\u986f<\/td>\n<\/tr>\n \u5feb\u53d6\u547d\u4e2d\u7387<\/td>\n \u8f03\u4f4e<\/td>\n \u5728\u65b0\u52a0\u5761\u8207\u9999\u6e2f\u660e\u986f\u63d0\u5347<\/td>\n \u6574\u9ad4\u6548\u80fd\u7372\u5f97\u6539\u5584<\/td>\n<\/tr>\n \u83f2\u5f8b\u8cd3\u5730\u5340\u672a\u547d\u4e2d\u7387<\/td>\n N\/A<\/td>\n \u63d0\u9ad8 18%<\/td>\n \u56de\u6e90\u8acb\u6c42\u589e\u52a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u61c9\u91cd\u9ede\u89c0\u5bdf RTT \u8207\u5ef6\u9072\u662f\u5426\u4e0b\u964d\u3001\u5feb\u53d6\u547d\u4e2d\u7387\u662f\u5426\u63d0\u5347\u3002\u9019\u4e9b\u6307\u6a19\u5f80\u597d\u7684\u65b9\u5411\u8b8a\u5316\uff0c\u4ee3\u8868\u908a\u7de3\u7bc0\u9ede\u6b63\u5728\u66f4\u5feb\u901f\u5730\u70ba\u65e5\u672c\u4f7f\u7528\u8005\u63d0\u4f9b\u5167\u5bb9\u3002\u5982\u679c\u4f60\u767c\u73fe\u5feb\u53d6\u672a\u547d\u4e2d\u7387\u6301\u7e8c\u504f\u9ad8\uff0c\u5c31\u9700\u8981\u9032\u4e00\u6b65\u512a\u5316\u5feb\u53d6\u7b56\u7565\u3002<\/p>\n \u554f\u984c\u6392\u67e5<\/h3>\n \u6709\u6642\u4f60\u53ef\u80fd\u6703\u767c\u73fe\uff0c\u5373\u4fbf\u63a5\u5165\u4e86 CDN\uff0c\u4f3a\u670d\u5668\u901f\u5ea6\u4ecd\u672a\u9054\u5230\u9810\u671f\u3002\u9019\u5f80\u5f80\u662f\u7531\u4e00\u4e9b CDN \u76f8\u95dc\u554f\u984c\u6216\u57fa\u790e\u8a2d\u65bd\u74f6\u9838\u5f15\u8d77\u7684\uff0c\u4f8b\u5982\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\u3001\u7db2\u8def\u6548\u80fd\u4e0d\u4f73\u3001\u7b2c\u4e09\u65b9\u8edf\u9ad4\u885d\u7a81\u3001SSL \u6548\u80fd\u554f\u984c\u4ee5\u53ca\u5feb\u53d6\u7b56\u7565\u4e0d\u7576\u7b49\u3002\u4e0b\u8868\u5217\u8209\u4e86\u5e38\u898b\u554f\u984c\u53ca\u5176\u8aaa\u660e\uff1a<\/p>\n \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n \u554f\u984c\u985e\u578b<\/th>\n \u8aaa\u660e<\/th>\n<\/tr>\n \u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3<\/td>\n \u786c\u789f\u6548\u80fd\u3001CPU \u6548\u80fd\u6216\u8a18\u61b6\u9ad4\u8cc7\u6e90\u4e0d\u8db3\uff0c\u6703\u524a\u5f31 Web \u61c9\u7528\u7684\u6574\u9ad4\u6548\u80fd\u3002<\/td>\n<\/tr>\n \u7db2\u8def\u8cc7\u6e90\u9072\u7de9<\/td>\n \u7db2\u8def\u983b\u5bec\u7121\u6cd5\u6eff\u8db3\u696d\u52d9\u9700\u6c42\uff0c\u6216\u5171\u4eab\u4e3b\u6a5f\u983b\u5bec\u904e\u4f4e\uff0c\u90fd\u6703\u9650\u5236\u6574\u9ad4\u6548\u80fd\u3002<\/td>\n<\/tr>\n \u7b2c\u4e09\u65b9\u8edf\u9ad4\u5f71\u97ff<\/td>\n \u5728 Web \u4f3a\u670d\u5668\u4e0a\u5b89\u88dd\u7684\u7b2c\u4e09\u65b9\u5143\u4ef6\u53ef\u80fd\u5f15\u767c\u6548\u80fd\u554f\u984c\uff0c\u9032\u800c\u62d6\u6162\u6574\u7ad9\u8868\u73fe\u3002<\/td>\n<\/tr>\n SSL \u6548\u80fd\u554f\u984c<\/td>\n SSL \u63e1\u624b\u8207\u52a0\u89e3\u5bc6\u6703\u5f15\u5165\u984d\u5916\u5ef6\u9072\uff0c\u5f71\u97ff HTTPS \u5b58\u53d6\u901f\u5ea6\u3002<\/td>\n<\/tr>\n \u5feb\u53d6\u4fb7\u9650<\/td>\n \u5c0d\u52d5\u614b\u5167\u5bb9\u5feb\u53d6\u4e0d\u8db3\uff0c\u6703\u5c0e\u81f4\u4f7f\u7528\u8005\u8acb\u6c42\u7684\u56de\u61c9\u6642\u9593\u504f\u9577\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u8981\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u4f60\u53ef\u4ee5\uff1a<\/p>\n \n \u76e3\u63a7\u56de\u6e90\u8acb\u6c42\u6b21\u6578\uff0c\u78ba\u4fdd\u5feb\u53d6\u7b56\u7565\u8db3\u5920\u6709\u6548\u3002<\/li>\n \u9078\u64c7\u5728\u65e5\u672c\u8a2d\u6709\u908a\u7de3\u7bc0\u9ede\u7684 CDN \u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u5728\u5730\u5b58\u53d6\u8868\u73fe\u3002<\/li>\n \u5f9e\u591a\u500b\u5730\u5340\u9032\u884c\u6e2c\u8a66\uff0c\u9a57\u8b49\u4f3a\u670d\u5668\u901f\u5ea6\u662f\u5426\u5728\u5168\u7403\u7bc4\u570d\u5167\u7dad\u6301\u4e00\u81f4\u3002<\/li>\n \u9032\u884c HTTP\/2 \u76f8\u5bb9\u6027\u58d3\u529b\u6e2c\u8a66\u3002<\/li>\n \u6301\u7e8c\u76e3\u63a7\u4e26\u512a\u5316 CDN \u8a2d\u5b9a\u3002<\/li>\n<\/ul>\n \u6ce8\u610f\uff1a\u900f\u904e\u5b9a\u671f\u76e3\u63a7\u8207\u8fc5\u901f\u6392\u969c\uff0c\u4f60\u53ef\u4ee5\u59cb\u7d42\u70ba\u65e5\u672c\u4f7f\u7528\u8005\u63d0\u4f9b\u9ad8\u901f\u3001\u4f4e\u6545\u969c\u7387\u7684\u5b58\u53d6\u9ad4\u9a57\u3002<\/p><\/blockquote>\n \n <\/div>\n<\/div>\n \u900f\u904e\u5be6\u65bd CDN\uff0c\u4f60\u53ef\u4ee5\u5207\u5be6\u63d0\u5347\u65e5\u672c\u4f3a\u670d\u5668\u7684\u5b58\u53d6\u901f\u5ea6\u3002\u53ea\u8981\u9075\u5faa\u6700\u4f73\u5be6\u52d9\uff0c\u4f60\u7684\u7f51\u7ad9\u5c31\u80fd\u66f4\u5feb\u901f\u5730\u50b3\u905e\u5167\u5bb9\uff0c\u4e26\u80fd\u5f9e\u5bb9\u61c9\u5c0d\u66f4\u9ad8\u6d41\u91cf\u3002\u9577\u671f\u4f86\u770b\uff0cCDN \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u5c07\u5ef6\u9072\u964d\u4f4e\u591a\u9054 60%\uff0c\u4e26\u8b93\u5167\u5bb9\u50b3\u905e\u901f\u5ea6\u63d0\u5347\u81f3\u539f\u4f86\u7684\u5169\u500d\uff0c\u5f9e\u800c\u986f\u8457\u63d0\u9ad8\u4f7f\u7528\u8005\u7559\u5b58\u7387\u3002\u6301\u7e8c\u76e3\u63a7\u6548\u80fd\u4e26\u512a\u5316\u8a2d\u5b9a\uff0c\u6709\u52a9\u65bc\u4f60\u9577\u671f\u7dad\u6301\u9019\u4e9b\u6548\u80fd\u6536\u76ca\u3002<\/p>\n \n \u8207\u50b3\u7d71\u55ae\u4e00\u4f3a\u670d\u5668\u76f8\u6bd4\uff0cCDN \u80fd\u660e\u986f\u964d\u4f4e\u7db2\u7ad9\u7576\u6a5f\u6642\u9593\u3002<\/li>\n \u96a8\u8457\u65e5\u672c\u5e02\u5834\u5c0d\u4f4e\u5ef6\u9072\u5b58\u53d6\u9700\u6c42\u7684\u6210\u9577\uff0c\u591a CDN \u7b56\u7565\u5c07\u9032\u4e00\u6b65\u63d0\u5347\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n \n\n\n\n<\/colgroup>\n\n\n\n\n \u5f71\u97ff\u985e\u578b<\/th>\n \u53ef\u91cf\u5316\u6210\u679c<\/th>\n<\/tr>\n \u884c\u52d5\u7aef\u8f49\u63db\u7387<\/td>\n \u6bcf\u6e1b\u5c11 1 \u79d2\u8f09\u5165\u6642\u9593\uff0c\u8f49\u63db\u7387\u53ef\u63d0\u5347\u7d04 5.9%<\/td>\n<\/tr>\n \u6d41\u91cf\u627f\u8f09\u80fd\u529b<\/td>\n \u53ef\u5728\u4e0d\u7576\u6a5f\u7684\u524d\u63d0\u4e0b\u627f\u53d7 10 \u500d\u6d41\u91cf\u9ad8\u5cf0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u4f60\u61c9\u7576\u6301\u7e8c\u9032\u884c\u6548\u80fd\u76e3\u63a7\uff0c\u4e26\u8996\u9700\u8981\u63a1\u7528\u591a CDN \u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u70ba\u65e5\u672c\u4f7f\u7528\u8005\u9577\u671f\u63d0\u4f9b\u9ad8\u901f\u4e14\u53ef\u9760\u7684\u7db2\u7ad9\u9ad4\u9a57\u3002<\/p>\n \u5e38\u898b\u554f\u984c<\/strong><\/h2>\n \u70ba\u65e5\u672c\u4f3a\u670d\u5668\u4f7f\u7528 CDN \u7684\u4e3b\u8981\u597d\u8655\u662f\u4ec0\u9ebc\uff1f<\/h3>\n \u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u5411\u65e5\u672c\u4f7f\u7528\u8005\u50b3\u905e\u5167\u5bb9\u3002CDN \u900f\u904e\u5728\u5730\u908a\u7de3\u7bc0\u9ede\u63d0\u4f9b\u6a94\u6848\uff0c\u964d\u4f4e\u5b58\u53d6\u5ef6\u9072\uff0c\u5f9e\u800c\u63d0\u5347\u7db2\u7ad9\u901f\u5ea6\u548c\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/p>\n \u5982\u4f55\u70ba\u65e5\u672c\u5730\u5340\u9078\u64c7\u6700\u5408\u9069\u7684 CDN \u670d\u52d9\u5546\uff1f<\/h3>\n \u4f60\u9700\u8981\u91cd\u9ede\u8003\u5bdf\u5176\u5728\u65e5\u672c\u7684\u57fa\u790e\u8a2d\u65bd\u8986\u84cb\u60c5\u6cc1\u3001\u771f\u5be6\u5ef6\u9072\u6c34\u6e96\u4ee5\u53ca\u6280\u8853\u652f\u63f4\u662f\u5426\u53ef\u9760\u3002\u540c\u6642\u61c9\u900f\u904e\u901f\u5ea6\u6e2c\u8a66\u9032\u884c\u6bd4\u8f03\uff0c\u4e26\u5be9\u8996\u5176\u5b89\u5168\u80fd\u529b\u3002<\/p>\n \u80fd\u5426\u540c\u6642\u4f7f\u7528\u591a\u500b CDN\uff1f<\/h3>\n \u53ef\u4ee5\uff0c\u4f60\u53ef\u4ee5\u63a1\u7528\u591a CDN\uff08Multi-CDN\uff09\u7b56\u7565\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u63d0\u5347\u53ef\u9760\u6027\u8207\u6548\u80fd\uff0c\u5982\u679c\u5176\u4e2d\u4e00\u500b CDN \u767c\u751f\u6545\u969c\uff0c\u53e6\u4e00\u500b\u53ef\u4ee5\u63a5\u624b\u6d41\u91cf\uff0c\u78ba\u4fdd\u7ad9\u9ede\u6301\u7e8c\u5728\u7dda\u3002<\/p>\n CDN \u662f\u5426\u6709\u52a9\u65bc\u63d0\u5347\u7db2\u7ad9\u5b89\u5168\u6027\uff1f<\/h3>\n \u662f\u7684\uff01CDN \u53ef\u4ee5\u5e6b\u52a9\u4f60\u62b5\u79a6 DDoS \u7b49\u60e1\u610f\u653b\u64ca\u6d41\u91cf\u3002\u5b83\u6703\u5728\u6d41\u91cf\u62b5\u9054\u6e90\u7ad9\u4e4b\u524d\u9032\u884c\u6e05\u6d17\u8207\u904e\u6ffe\uff0c\u5f9e\u800c\u4fdd\u8b77\u4f60\u7684\u4f3a\u670d\u5668\u8207\u7db2\u7ad9\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u4f60\u53ef\u4ee5\u900f\u904e\u4f7f\u7528 \u65e5\u672c\u4f3a\u670d\u5668 \u642d\u914d CDN \u4f86\u986f\u8457\u63d0\u5347\u7db2\u7ad9\u5b58\u53d6\u901f\u5ea6\u3002CDN\uff08\u5167\u5bb9\u50b3\u905e\u7db2\u8def\uff09\u6703\u5c07\u4f60\u7684\u7f51\u7ad9\u5167\u5bb9\u5206\u767c\u5230 […]<\/p>\n Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":33417,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8116],"tags":[12263,8286,4116,2747,1279],"class_list":["post-33422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan-dedicated-server-tc","tag-japanese-cdn","tag-japan-servers-tc","tag-low-latency-tc","tag-cdn-tc","tag-content-delivery-network-tc"],"acf":[],"yoast_head":"\n