{"id":2047,"date":"2025-05-16T15:46:10","date_gmt":"2025-05-16T07:46:10","guid":{"rendered":"https:\/\/www.elite.cloud\/?p=2047"},"modified":"2025-05-20T15:16:18","modified_gmt":"2025-05-20T07:16:18","slug":"what-is-cdn","status":"publish","type":"post","link":"https:\/\/www.elite.cloud\/zh\/post\/what-is-cdn\/","title":{"rendered":"CDN \u662f\u4ec0\u9ebc\uff1f\u5982\u4f55\u6311\u9078 CDN \u4f9b\u61c9\u5546\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"CDN \u662f\u4ec0\u9ebc\uff1fCDN \u4f9b\u61c9\u5546\u600e\u9ebc\u6311\uff1f\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/3R1CpIKRzJQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ipv9x19773\"><strong>CDN \u662f\u4ec0\u9ebc\uff1f<\/strong><\/h2>\n\n\n\n<p id=\"5pyp52854\"><strong><a href=\"https:\/\/www.elite.cloud\/zh\/cdn\/\" target=\"_blank\" rel=\"noopener\" title=\"CDN\uff08Content Delivery Network\uff0c\u5167\u5bb9\u50b3\u905e\u7db2\u8def\uff09\">CDN\uff08Content Delivery Network\uff0c\u5167\u5bb9\u50b3\u905e\u7db2\u8def\uff09<\/a><\/strong>\u662f\u4e00\u7d44<strong>\u5206\u4f48\u65bc\u5168\u7403\u7684\u4f3a\u670d\u5668\u7db2\u8def<\/strong>\uff0c\u7528\u65bc\u52a0\u901f\u975c\u614b\u8207\u52d5\u614b\u5167\u5bb9\u7684\u50b3\u905e\uff0c\u78ba\u4fdd\u7528\u6236\u80fd\u5920\u5f9e\u6700\u8fd1\u7684\u4f3a\u670d\u5668\u7372\u53d6\u7db2\u7ad9\u8cc7\u6e90\uff0c\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u9023\u7dda\u5230\u4e3b\u4f3a\u670d\u5668\uff08Origin Server\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"666\" height=\"382\" src=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/image.png\" alt=\"CDN \u7bc0\u9ede\" class=\"wp-image-2050\" srcset=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/image.png 666w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/image-300x172.png 300w\" sizes=\"auto, (max-width: 666px) 100vw, 666px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/aws.amazon.com\/tw\/cloudfront\/features\/?whats-new-cloudfront.sort-by=item.additionalFields.postDateTime&amp;whats-new-cloudfront.sort-order=desc\" title=\"AWS \u4e9e\u592a\u5730\u5340\u7bc0\u9ede\">AWS \u4e9e\u592a\u5730\u5340\u7bc0\u9ede<\/a><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"dlx1r2858\"><strong>CDN \u7684\u4e3b\u8981\u529f\u80fd<\/strong><\/h3>\n\n\n\n<ul id=\"2gc482860\" class=\"wp-block-list\">\n<li><strong>\u63d0\u5347\u7db2\u7ad9\u8f09\u5165\u901f\u5ea6<\/strong>\uff1aCDN \u6703\u5c07\u975c\u614b\u8cc7\u6e90\uff08\u5982\u5716\u7247\u3001CSS\u3001JavaScript\uff09\u5b58\u653e\u5728\u5168\u7403\u5404\u5730\u7684\u4f3a\u670d\u5668\u7bc0\u9ede\u4e2d\uff0c\u6e1b\u5c11\u4f3a\u670d\u5668\u56de\u61c9\u6642\u9593\u3002<\/li>\n\n\n\n<li><strong>\u4f3a\u670d\u5668\u8ca0\u8f09\u5747\u8861<\/strong>\uff1aCDN \u53ef\u900f\u904e\u667a\u6167\u6d41\u91cf\u7ba1\u7406\uff0c\u78ba\u4fdd\u6d41\u91cf\u88ab\u5e73\u5747\u5206\u914d\uff0c\u907f\u514d\u55ae\u4e00\u4f3a\u670d\u5668\u904e\u8f09\u3002\u5c0e\u81f4\u7db2\u7ad9\u8f09\u5165\u7de9\u6162\uff0c\u751a\u81f3\u76f4\u63a5\u7576\u6a5f\u3002<\/li>\n\n\n\n<li><strong>\u63d0\u5347\u5168\u7403\u53ef\u7528\u6027<\/strong>\uff1aCDN \u900f\u904e\u591a\u500b\u7bc0\u9ede\u63d0\u4f9b\u5167\u5bb9\uff0c\u78ba\u4fdd\u7db2\u7ad9\u5728\u5168\u7403\u5404\u5730\u90fd\u80fd\u4fdd\u6301\u7a69\u5b9a\u6548\u80fd\uff0c\u6709\u4e9b\u908a\u7de3\u7bc0\u9ede\u751a\u81f3\u53ef\u57f7\u884c\u8f15\u91cf\u7d1a\u8a08\u7b97\uff0c\u6e1b\u5c11 50% \u4f3a\u670d\u5668\u8ca0\u8f09\u3002<\/li>\n\n\n\n<li><strong>\u589e\u5f37\u5b89\u5168\u6027<\/strong>\uff1aCDN \u5177\u5099 DDoS \u9632\u79a6\u3001WAF\uff08Web Application Firewall\uff09\u3001SSL \u52a0\u5bc6\u7b49\u529f\u80fd\uff0c\u78ba\u4fdd\u7db2\u7ad9\u5b89\u5168\u904b\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fxyzp105697\">\u4f01\u696d\u662f\u5426\u61c9\u8a72\u4f7f\u7528 CDN?<\/h3>\n\n\n\n<p id=\"6c3en106253\">\u2705 <strong>\u9069\u5408\u4f7f\u7528 CDN \u7684\u60c5\u5883<\/strong><\/p>\n\n\n\n<ul id=\"zbszc612\" class=\"wp-block-list\">\n<li>\u9700\u8981\u63d0\u5347\u7db2\u7ad9\u901f\u5ea6\u8207\u4f7f\u7528\u8005\u9ad4\u9a57\u3002<\/li>\n\n\n\n<li>\u76ee\u6a19\u5e02\u5834\u70ba\u5168\u7403\uff0c\u9700\u964d\u4f4e\u8de8\u570b\u8a2a\u554f\u5ef6\u9072\u3002<\/li>\n\n\n\n<li>\u7db2\u7ad9\u6d41\u91cf\u9ad8\uff0c\u60f3\u964d\u4f4e\u4f3a\u670d\u5668\u8ca0\u64d4\u4e26\u7bc0\u7701\u983b\u5bec\u6210\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<p id=\"9t2rf622\">\u274c <strong>\u4e0d\u9069\u5408\u4f7f\u7528 CDN \u7684\u60c5\u5883<\/strong><\/p>\n\n\n\n<ul id=\"dgu1y625\" class=\"wp-block-list\">\n<li>\u7db2\u7ad9\u6d41\u91cf\u6975\u4f4e\uff0c\u4e14\u4e3b\u8981\u7528\u6236\u96c6\u4e2d\u5728\u55ae\u4e00\u5730\u5340\u3002<\/li>\n\n\n\n<li>\u7db2\u7ad9\u5167\u5bb9\u9ad8\u5ea6\u52d5\u614b\u5316\uff0c\u5feb\u53d6\u6548\u679c\u6709\u9650\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5zroc44477\"><strong>CDN \u5c31\u50cf\u86cb\u7cd5\u5e97\u7684\u5206\u5e97\uff0c\u8b93\u5167\u5bb9\u914d\u9001\u66f4\u5feb\uff01<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534801_14_34-1024x683.png\" alt=\"\u86cb\u7cd5\u5e97\u6bd4\u55bbCDN\" class=\"wp-image-2057\" style=\"width:700px\" srcset=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534801_14_34-1024x683.png 1024w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534801_14_34-300x200.png 300w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534801_14_34-768x512.png 768w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534801_14_34.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p id=\"ae1jl44479\">\u60f3\u50cf\u4f60\u4f4f\u5728\u53f0\u7063\uff0c\u4f46\u4f60\u6700\u611b\u7684\u86cb\u7cd5\u5e97\u537b\u5728\u7f8e\u570b\uff0c\u6bcf\u6b21\u60f3\u5403\u86cb\u7cd5\u6642\uff0c\u90fd\u9700\u8981\u76f4\u63a5\u5f9e\u7f8e\u570b\u8a02\u8cfc\uff0c\u9019\u6703\u82b1\u8cbb\u66f4\u9577\u6642\u9593\u3001\u589e\u52a0\u904b\u8f38\u6210\u672c\uff0c\u751a\u81f3\u5f71\u97ff\u86cb\u7cd5\u54c1\u8cea\u3002\u9019\u5c31\u50cf\u662f\u300c\u6c92\u6709 CDN \u7684\u7db2\u7ad9\u300d\uff1a\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u90fd\u8981\u76f4\u63a5\u9001\u5230\u9060\u7aef\u7684\u4e3b\u4f3a\u670d\u5668\uff0c\u5c0e\u81f4\u901f\u5ea6\u8b8a\u6162\u3001\u4f3a\u670d\u5668\u8ca0\u64d4\u5927\uff0c\u751a\u81f3\u5f71\u97ff\u7db2\u7ad9\u53ef\u7528\u6027\u3002<\/p>\n\n\n\n<p id=\"vy73z45349\">\u5982\u679c\u9019\u5bb6\u5e97\u958b\u8a2d\u5168\u7403\u5206\u5e97\uff08CDN \u7bc0\u9ede\uff09\uff0c\u63d0\u524d\u5099\u8ca8\uff0c\u4f60\u5c31\u80fd\u76f4\u63a5\u5f9e\u53f0\u7063\u5206\u5e97\u8cfc\u8cb7\uff0c\u7701\u6642\u53c8\u65b9\u4fbf\u3002<\/p>\n\n\n\n<p id=\"qnoj745490\">CDN \u7684\u904b\u4f5c\u65b9\u5f0f\u6b63\u662f\u5982\u6b64\uff01\u5b83\u5728\u4e16\u754c\u5404\u5730\u5feb\u53d6\u7db2\u7ad9\u5167\u5bb9\uff0c\u4f7f\u7528\u8005\u8acb\u6c42\u6642\u53ef\u5f9e\u6700\u8fd1\u7684\u4f3a\u670d\u5668\u7372\u53d6\u8cc7\u6e90\uff0c\u907f\u514d\u56de\u6e90\u81f3\u9060\u7aef\u4f3a\u670d\u5668\uff0c\u5f9e\u800c\u52a0\u901f\u8f09\u5165\u3001\u6e1b\u5c11\u5ef6\u9072\u3001\u964d\u4f4e\u4f3a\u670d\u5668\u8ca0\u64d4\u3002<\/p>\n\n\n\n<p id=\"1vv504554\">\u96d6\u7136 CDN \u5177\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5b83\u4e26\u975e\u6c92\u6709\u7f3a\u9ede\u3002\u5728\u67d0\u4e9b\u60c5\u5883\u4e0b\uff0cCDN \u53ef\u80fd\u6703\u5e36\u4f86\u984d\u5916\u6210\u672c\u3001\u5feb\u53d6\u540c\u6b65\u554f\u984c\uff0c\u751a\u81f3\u5f71\u97ff\u7db2\u7ad9\u5b89\u5168\u6027\u3002\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u8207\u90e8\u7f72 CDN \u4e4b\u524d\uff0c\u4e86\u89e3\u5176\u6f5b\u5728\u98a8\u96aa\u8207\u6311\u6230\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-primary-background-color has-background wp-element-button\" href=\"https:\/\/www.elite.cloud\/zh\/contact-us\/\"><strong>\u806f\u7e6b\u6211\u5011\u4e86\u89e3 CDN \u512a\u60e0\u65b9\u6848<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wgmb88298\">CDN \u5982\u4f55\u8b93\u5168\u7403\u5167\u5bb9\u5b58\u53d6\u66f4\u5feb\u3001\u66f4\u7a69\u5b9a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0omsx8983\">\u6e1b\u5c11\u7269\u7406\u8ddd\u96e2\u4f86\u964d\u4f4e\u8f09\u5165\u5ef6\u9072<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534803_09_55-1024x683.png\" alt=\"\u7269\u7406\u8ddd\u96e2\u5f71\u97ff\u5ef6\u9072\" class=\"wp-image-2059\" style=\"width:700px\" srcset=\"https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534803_09_55-1024x683.png 1024w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534803_09_55-300x200.png 300w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534803_09_55-768x512.png 768w, https:\/\/www.elite.cloud\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-2025\u5e745\u670816\u65e5-\u4e0b\u534803_09_55.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p id=\"npjmm8985\">\u8a31\u591a\u4f01\u696d\u5728\u521d\u671f\u53ef\u80fd\u6703\u4f9d\u8cf4\u55ae\u4e00\u4f3a\u670d\u5668\u4f86\u63d0\u4f9b\u7db2\u7ad9\u5167\u5bb9\uff0c\u4f46\u7576\u8a2a\u554f\u91cf\u589e\u52a0\u4e14\u7528\u6236\u5206\u4f48\u65bc\u4e0d\u540c\u5730\u5340\u6642\uff0c<strong>\u7269\u7406\u8ddd\u96e2<\/strong>&nbsp;\u6703\u76f4\u63a5\u5f71\u97ff\u7db2\u7ad9\u7684\u8f09\u5165\u901f\u5ea6\u8207\u4f7f\u7528\u9ad4\u9a57\u3002<\/p>\n\n\n\n<p id=\"wm8o78989\">\u7576\u4f7f\u7528\u8005\u767c\u9001\u8acb\u6c42\u6642\uff0c\u6578\u64da\u5fc5\u9808\u5f9e\u4e3b\u4f3a\u670d\u5668\u50b3\u8f38\u5230\u7528\u6236\u7aef\uff0c\u7269\u7406\u8ddd\u96e2\u8d8a\u9060\uff0c\u8acb\u6c42\u7d93\u904e\u7684\u7db2\u8def\u7bc0\u9ede\u8d8a\u591a\uff0c\u5c0e\u81f4 <strong>\u5ef6\u9072\uff08Latency\uff09\u589e\u52a0<\/strong>\u3002\u4ee5\u4e0b\u662f\u4e0d\u540c\u8ddd\u96e2\u5c0d\u5ef6\u9072\u7684\u5f71\u97ff\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th><strong>\u8ddd\u96e2<\/strong><\/th><th><strong>\u7d14\u7269\u7406\u5149\u7e96\u50b3\u8f38\u6642\u9593\uff08\u7406\u8ad6\u503c\uff09<\/strong><\/th><th><strong>\u5be6\u969b\u7db2\u8def\u5ef6\u9072\uff08RTT\uff0c\u5305\u542b\u8def\u7531\uff09<\/strong><\/th><\/tr><tr><td>100 \u516c\u91cc<\/td><td>~0.5ms<\/td><td>~5ms<\/td><\/tr><tr><td>1,000 \u516c\u91cc<\/td><td>~5ms<\/td><td>~15-30ms<\/td><\/tr><tr><td>5,000 \u516c\u91cc\uff08\u5927\u9678\u5230\u7f8e\u570b\uff09<\/td><td>~25ms<\/td><td>~80-150ms<\/td><\/tr><tr><td>10,000 \u516c\u91cc\uff08\u4e9e\u6d32\u5230\u7f8e\u570b\uff09<\/td><td>~50ms<\/td><td>~150-250ms<\/td><\/tr><tr><td>20,000 \u516c\u91cc\uff08\u6b50\u6d32\u5230\u6fb3\u6d32\uff09<\/td><td>~100ms<\/td><td>~200-400ms<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p id=\"v1e0n9059\">CDN \u900f\u904e\u5168\u7403\u7bc0\u9ede\uff08PoP, Point of Presence\uff09\uff0c<strong>\u5c07\u975c\u614b\u5167\u5bb9\u5feb\u53d6\u5230\u9760\u8fd1\u4f7f\u7528\u8005\u7684\u4f3a\u670d\u5668<\/strong>\uff0c\u78ba\u4fdd\u5167\u5bb9\u4e0d\u9700\u8981\u9577\u8ddd\u96e2\u56de\u6e90\uff0c\u5f9e\u800c\u6e1b\u5c11 <strong>50%-80% \u7684\u5ef6\u9072<\/strong>\u3002<\/p>\n\n\n\n<p id=\"rt2tg39359\">\u4ee5 Netflix 4K \u5f71\u7247\u8f09\u5165\u6642\u9593&nbsp;\u70ba\u4f8b\uff0c\u7576\u4e9e\u6d32\u7528\u6236\u5b58\u53d6 \u7f8e\u570b\u4f3a\u670d\u5668\uff0c\u672a\u4f7f\u7528 CDN&nbsp;\u6642\uff0c\u8f09\u5165\u6642\u9593\u7d04 8-10 \u79d2\uff0c\u800c \u4f7f\u7528 CDN&nbsp;\u5f8c\uff0c\u900f\u904e\u672c\u5730\u5feb\u53d6\uff0c\u8f09\u5165\u6642\u9593\u53ef\u7e2e\u77ed\u81f3 1-2 \u79d2\uff0c\u5927\u5e45\u63d0\u5347\u64ad\u653e\u6d41\u66a2\u5ea6\u4e26\u6e1b\u5c11\u7de9\u885d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cfpkp40099\">\u6e1b\u8f15\u4f3a\u670d\u5668\u58d3\u529b\uff0c\u78ba\u4fdd\u9ad8\u6d41\u91cf\u4e0b\u7684\u7a69\u5b9a\u904b\u884c<\/h3>\n\n\n\n<p id=\"eu5c740101\">CDN \u4e0d\u50c5\u80fd\u63d0\u5347\u8f09\u5165\u901f\u5ea6\uff0c\u9084\u80fd\u986f\u8457\u964d\u4f4e\u6e90\u4f3a\u670d\u5668\uff08Origin Server\uff09\u7684\u8ca0\u8f09\uff0c\u78ba\u4fdd\u7db2\u7ad9\u80fd\u5920\u7a69\u5b9a\u904b\u884c\uff0c\u5c24\u5176\u662f\u7576\u6d41\u91cf\u6fc0\u589e\u6642\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 CDN \u8207\u672a\u4f7f\u7528 CDN \u7684\u4f3a\u670d\u5668\u8ca0\u8f09\u5c0d\u6bd4\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th><strong>\u6e2c\u8a66\u74b0\u5883<\/strong><\/th><th><strong>\u7121 CDN\uff08\u56de\u6e90\u4f3a\u670d\u5668\u8ca0\u8f09\uff09<\/strong><\/th><th><strong>\u4f7f\u7528 CDN\uff08\u8ca0\u8f09\u6e1b\u5c11\uff09<\/strong><\/th><th><strong>\u6e1b\u5c11\u5e45\u5ea6<\/strong><\/th><\/tr><tr><td>\u4e2d\u578b\u65b0\u805e\u7db2\u7ad9\uff08\u6bcf\u65e5 500 \u842c\u700f\u89bd\u91cf\uff09<\/td><td>5000 req\/sec<\/td><td>1000 req\/sec<\/td><td>\u964d\u4f4e 80%<\/td><\/tr><tr><td>\u96fb\u5546\u7db2\u7ad9\uff08\u9ad8\u5cf0\u6642\u6bb5\uff0c\u6bcf\u79d2 2000 \u8a02\u55ae\uff09<\/td><td>2000 req\/sec<\/td><td>800 req\/sec<\/td><td>\u964d\u4f4e 60%<\/td><\/tr><tr><td>\u4e32\u6d41\u5a92\u9ad4\u5e73\u53f0\uff084K \u5f71\u7247\u64ad\u653e\uff09<\/td><td>50 Gbps<\/td><td>5 Gbps<\/td><td>\u964d\u4f4e 90%<\/td><\/tr><tr><td>\u591a\u4eba\u7dda\u4e0a\u904a\u6232\uff08\u5373\u6642 API \u8acb\u6c42\uff09<\/td><td>200 ms TTFB<\/td><td>50 ms TTFB<\/td><td>\u5ef6\u9072\u964d\u4f4e 75%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p id=\"us3lm47589\">CDN \u53ef\u6e1b\u5c11\u4f3a\u670d\u5668 50%-90% \u7684\u8ca0\u8f09\uff0c\u78ba\u4fdd\u7db2\u7ad9\u7a69\u5b9a\u904b\u884c\uff0c\u4e26\u964d\u4f4e\u983b\u5bec\u8207\u57fa\u790e\u8a2d\u65bd\u6210\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"eone53301\"><strong>CDN \u7684\u7528\u9014\u8207\u9069\u7528\u7522\u696d<\/strong><\/h2>\n\n\n\n<p id=\"vzztk3303\">CDN \u9069\u7528\u65bc\u591a\u7a2e\u7522\u696d\uff0c\u4e3b\u8981\u7528\u9014\u5305\u62ec\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"mw7lt3305\"><strong>\u96fb\u5b50\u5546\u52d9<\/strong><\/h4>\n\n\n\n<ul id=\"6mel83307\" class=\"wp-block-list\">\n<li>\u5feb\u901f\u8f09\u5165\u5546\u54c1\u9801\u9762\u8207\u5716\u7247\uff0c\u63d0\u9ad8\u8f49\u63db\u7387\u3002<\/li>\n\n\n\n<li>\u5728\u9ad8\u6d41\u91cf\u6d3b\u52d5\uff08\u5982\u96d9 11\u3001\u9ed1\u8272\u661f\u671f\u4e94\uff09\u671f\u9593\u6e1b\u5c11\u4f3a\u670d\u5668\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1gtm13314\"><strong>\u5a92\u9ad4\u4e32\u6d41<\/strong><\/h4>\n\n\n\n<ul id=\"sw3283316\" class=\"wp-block-list\">\n<li>\u512a\u5316\u5f71\u97f3\u64ad\u653e\uff0c\u78ba\u4fdd\u6d41\u66a2\u7684\u89c0\u770b\u9ad4\u9a57\u3002<\/li>\n\n\n\n<li>\u900f\u904e\u81ea\u9069\u61c9\u4e32\u6d41\u6280\u8853\uff08Adaptive Bitrate Streaming\uff09\u6839\u64da\u7528\u6236\u7db2\u901f\u8abf\u6574\u64ad\u653e\u54c1\u8cea\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"4q65i3323\"><strong>\u904a\u6232\u7522\u696d<\/strong><\/h4>\n\n\n\n<ul id=\"isouj3325\" class=\"wp-block-list\">\n<li>\u5feb\u53d6\u904a\u6232\u66f4\u65b0\u8207\u88dc\u4e01\uff0c\u63d0\u9ad8\u4e0b\u8f09\u901f\u5ea6\u3002<\/li>\n\n\n\n<li>\u964d\u4f4e\u591a\u4eba\u904a\u6232\u9023\u7dda\u5ef6\u9072\uff0c\u63d0\u5347\u904a\u6232\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ibugb7227\">\u5982\u4f55\u9078\u64c7\u6700\u9069\u5408\u7684 CDN \u4f9b\u61c9\u5546\uff1f<\/h2>\n\n\n\n<p id=\"4bf503559\">\u5728\u9078\u64c7 CDN \u4f9b\u61c9\u5546\u6642\uff0c\u4f01\u696d\u9700\u8981\u8003\u616e\u591a\u9805\u56e0\u7d20\uff0c\u5305\u62ec<strong>\u5168\u7403\u8986\u84cb\u7bc4\u570d\u3001\u6548\u80fd\u3001\u5b89\u5168\u6027\u3001\u6210\u672c\u8207\u6574\u5408\u80fd\u529b<\/strong>\u3002\u4e0d\u540c\u7684\u4f9b\u61c9\u5546\u5728<strong>\u5167\u5bb9\u5feb\u53d6\u3001\u908a\u7de3\u904b\u7b97\u3001DDoS \u9632\u79a6\u3001\u52d5\u614b\u5167\u5bb9\u52a0\u901f<\/strong>\u7b49\u65b9\u9762\u5404\u6709\u5f37\u9805\u3002<\/p>\n\n\n\n<p id=\"ncjom7970\">\u5728\u6311\u9078\u9069\u5408\u7684 CDN \u4f9b\u61c9\u5546\u6642\uff0c\u53ef\u4ee5\u5f9e\u4ee5\u4e0b\u5e7e\u500b\u95dc\u9375\u6307\u6a19\u4f86\u8a55\u4f30\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u8a55\u4f30\u6307\u6a19<\/strong><\/td><td><strong>\u8aaa\u660e<\/strong><\/td><td><strong>\u9069\u5408\u7684\u4f9b\u61c9\u5546<\/strong><\/td><\/tr><tr><td><strong>\u5168\u7403\u8986\u84cb\u7bc4\u570d<\/strong><\/td><td>\u4f9b\u61c9\u5546\u5728\u4e0d\u540c\u5730\u5340\u7684 PoP \u7bc0\u9ede\u6578\u91cf\u8207\u5206\u4f48<\/td><td><a href=\"https:\/\/www.akamai.com\/solutions\/content-delivery-network\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Akamai<\/u><\/a>\u3001<a href=\"https:\/\/www.cloudflare.com\/zh-tw\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Cloudflare<\/u><\/a>\u3001<a href=\"https:\/\/aws.amazon.com\/tw\/cloudfront\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>AWS CloudFront<\/u><\/a><\/td><\/tr><tr><td><strong>\u6548\u80fd\uff08\u5ef6\u9072 &amp; \u8ca0\u8f09\u5747\u8861\uff09<\/strong><\/td><td>\u4f3a\u670d\u5668\u5ef6\u9072\u3001\u52d5\u614b\u8207\u975c\u614b\u5167\u5bb9\u5feb\u53d6\u512a\u5316\u80fd\u529b<\/td><td><a href=\"https:\/\/www.fastly.com\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Fastly<\/u><\/a>\u3001<a href=\"https:\/\/cloud.google.com\/cdn?hl=zh-tw\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Google Cloud CDN<\/u><\/a>\u3001Cloudflare<\/td><\/tr><tr><td><strong>\u5b89\u5168\u6027\uff08DDoS\u3001WAF\uff09<\/strong><\/td><td>\u662f\u5426\u5167\u5efa DDoS \u9632\u79a6\u3001WAF\u3001Zero Trust \u5b89\u5168\u6a5f\u5236<\/td><td>Cloudflare\u3001Akamai\u3001AWS CloudFront<\/td><\/tr><tr><td><strong>\u6574\u5408\u6027\uff08\u5de5\u53cb\u96f2\u5ee0\u5546\uff09<\/strong><\/td><td>\u662f\u5426\u8207 AWS\u3001Google Cloud\u3001Azure \u7b49\u7121\u7e2b\u6574\u5408<\/td><td>AWS CloudFront\u3001Google Cloud CDN\u3001<a href=\"https:\/\/azure.microsoft.com\/zh-tw\/products\/cdn\/\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Azure CDN<\/u><\/a><\/td><\/tr><tr><td><strong>\u908a\u7de3\u904b\u7b97\uff08Edge Computing\uff09<\/strong><\/td><td>\u662f\u5426\u652f\u63f4\u908a\u7de3\u904b\u7b97\uff0c\u5982 Serverless Compute<\/td><td>Akamai Edge Compute\u3001Cloudflare Workers\u3001Fastly Compute<\/td><\/tr><tr><td><strong>\u50f9\u683c\u8207\u5f48\u6027<\/strong><\/td><td>\u662f\u5426\u63d0\u4f9b\u5f48\u6027\u8a08\u50f9\u65b9\u6848\uff0c\u7b26\u5408\u4e0d\u540c\u898f\u6a21\u4f01\u696d\u9700\u6c42<\/td><td>BunnyCDN\u3001Cloudflare\u3001Fastly<\/td><\/tr><tr><td><strong>\u7279\u5b9a\u5e02\u5834<\/strong><\/td><td>\u91dd\u5c0d\u7279\u5b9a\u5e02\u5834\uff08\u5982\u4e2d\u570b\u8207\u6771\u5357\u4e9e\uff09\u512a\u5316\u7db2\u8def\u67b6\u69cb<\/td><td><a href=\"https:\/\/www.alibabacloud.com\/help\/tc\/cdn\/product-overview\/what-is-alibaba-cloud-cdn\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Alibaba Cloud<\/u><\/a>\u3001<a href=\"https:\/\/www.tencentcloud.com\/products\/cdn\" rel=\"noreferrer noopener\" target=\"_blank\"><u>Tencent Cloud<\/u><\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"49jm9601\"><strong>\u7d50\u8ad6<\/strong><\/h2>\n\n\n\n<p id=\"y18j498729\">CDN \u5728 \u63d0\u5347\u7db2\u7ad9\u6548\u80fd\u3001\u964d\u4f4e\u5ef6\u9072\u3001\u6e1b\u8f15\u4f3a\u670d\u5668\u8ca0\u8f09\u3001\u63d0\u5347\u5b89\u5168\u6027&nbsp;\u65b9\u9762\u767c\u63ee\u95dc\u9375\u4f5c\u7528\uff0c\u5df2\u6210\u70ba\u5168\u7403\u4f01\u696d\u7684\u5fc5\u5099\u6280\u8853\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u5e02\u5834\u4e0a Akamai\u3001Cloudflare\u3001AWS CloudFront\u3001Fastly\u3001Google Cloud CDN\u3001Alibaba Cloud CDN\u3001Tencent Cloud CDN&nbsp;\u7b49\u591a\u5bb6\u4f9b\u61c9\u5546\u5404\u5177\u7279\u8272\uff0c\u4f01\u696d\u61c9\u6839\u64da\u81ea\u8eab\u9700\u6c42\u505a\u51fa\u6700\u4f73\u9078\u64c7\u3002<\/p>\n\n\n\n<p id=\"8tt10840\">CDN \u7684\u9078\u64c7\u95dc\u4fc2\u5230\u4f01\u696d\u7684\u6578\u4f4d\u9ad4\u9a57\u8207\u7af6\u722d\u529b\uff0c<strong>Elite Cloud<\/strong>&nbsp;\u52e4\u82f1\u79d1\u6280\u4f5c\u70ba <strong><a href=\"https:\/\/www.elite.cloud\/zh\/aws\/\" target=\"_blank\" rel=\"noopener\" title=\"AWS\">AWS<\/a>\u3001<a href=\"https:\/\/www.elite.cloud\/zh\/gcp\/\" target=\"_blank\" rel=\"noopener\" title=\"Google Cloud\">Google Cloud<\/a>\u3001<a href=\"https:\/\/www.elite.cloud\/zh\/azure\/\" target=\"_blank\" rel=\"noopener\" title=\"Azure\">Azure<\/a>\u3001<a href=\"https:\/\/www.elite.cloud\/zh\/alibaba-cloud\/\" target=\"_blank\" rel=\"noopener\" title=\"Alibaba Cloud\">Alibaba Cloud<\/a>\u3001<a href=\"https:\/\/www.elite.cloud\/zh\/tencent-cloud\/\" target=\"_blank\" rel=\"noopener\" title=\"Tencent Cloud\">Tencent Cloud<\/a><\/strong>&nbsp;\u7684\u4ee3\u7406\u8207\u670d\u52d9\u63d0\u4f9b\u5546\uff0c\u63d0\u4f9b\u5c08\u696d\u7684 <strong>CDN \u90e8\u7f72\u3001\u96f2\u7aef\u6574\u5408\u8207\u512a\u5316<\/strong>&nbsp;\u670d\u52d9\uff0c\u5354\u52a9\u4f01\u696d\u6253\u9020 <strong>\u6700\u9069\u5408\u7684 CDN \u89e3\u6c7a\u65b9\u6848<\/strong>\uff0c\u78ba\u4fdd\u5168\u7403\u7528\u6236\u7372\u5f97\u6700\u4f73\u7684\u5b58\u53d6\u9ad4\u9a57\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-primary-background-color has-background wp-element-button\" href=\"https:\/\/www.elite.cloud\/zh\/contact-us\/\"><strong>\u806f\u7e6b\u6211\u5011\u4e86\u89e3 CDN \u512a\u60e0\u65b9\u6848<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mmpxz31612\">\u5e38\u898b\u554f\u984c\uff08FAQ\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4f7f\u7528 CDN \u6703\u5f71\u97ff\u7db2\u7ad9\u7684 SEO \u8868\u73fe\u55ce\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6703\u6709\u6b63\u9762\u5f71\u97ff\u3002CDN \u80fd\u52a0\u5feb\u9801\u9762\u8f09\u5165\u901f\u5ea6\uff0c\u800c Google \u5c07\u7db2\u7ad9\u901f\u5ea6\u8996\u70ba\u91cd\u8981\u7684 SEO \u6392\u540d\u56e0\u7d20\u4e4b\u4e00\u3002<\/li>\n\n\n\n<li>\u6b64\u5916\uff0cCDN \u652f\u63f4 HTTPS \u5b89\u5168\u9023\u7dda\uff0c\u9019\u4e5f\u662f\u641c\u5c0b\u5f15\u64ce\u63a8\u85a6\u7684 SEO \u6700\u4f73\u5be6\u8e10\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6240\u6709\u7db2\u7ad9\u90fd\u9069\u5408\u4f7f\u7528 CDN \u55ce\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u591a\u6578\u7db2\u7ad9\u90fd\u9069\u5408\u4f7f\u7528 CDN\uff0c\u4f8b\u5982\u96fb\u5546\u3001\u5f71\u97f3\u3001\u65b0\u805e\u3001\u904a\u6232\u8207 SaaS 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