{"id":210001,"date":"2025-10-24T03:55:31","date_gmt":"2025-10-23T19:55:31","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210001\/"},"modified":"2025-10-24T03:55:32","modified_gmt":"2025-10-23T19:55:32","slug":"cdn-234","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210001\/","title":{"rendered":"CDN\u8282\u70b9\u5065\u5eb7\u76d1\u6d4b\uff1a\u65b9\u6cd5\u3001\u5173\u952e\u6307\u6807\u4e0e\u81ea\u52a8\u5316\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e92\u8054\u7f51\u548c\u5728\u7ebf\u4e1a\u52a1\u7684\u80cc\u666f\u4e0b\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u5df2\u6210\u4e3a\u63d0\u5347\u7f51\u7ad9\u6027\u80fd\u4e0e\u53ef\u7528\u6027\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u5bf9\u4e8e\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u638c\u63e1CDN\u8282\u70b9\u7684\u5065\u5eb7\u76d1\u6d4b\u65b9\u6cd5\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\u5b9e\u8df5\uff0c\u4e0d\u4ec5\u80fd\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u8fd8\u80fd\u964d\u4f4e\u6545\u969c\u57df\u6269\u6563\u7684\u98ce\u9669\u3002\u672c\u6587\u4ece\u539f\u7406\u51fa\u53d1\uff0c\u7ed3\u5408\u5173\u952e\u6307\u6807\u3001\u5e38\u7528\u5de5\u5177\u4e0e\u81ea\u52a8\u5316\u5b9e\u6218\u7b56\u7565\uff0c\u8be6\u8ff0\u5982\u4f55\u6784\u5efa\u4e00\u5957\u53ef\u843d\u5730\u7684\u8282\u70b9\u5065\u5eb7\u76d1\u63a7\u4e0e\u5904\u7f6e\u4f53\u7cfb\u3002<\/p>\n<h2>CDN\u8282\u70b9\u5065\u5eb7\u76d1\u6d4b\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>CDN\u7531\u904d\u5e03\u5168\u7403\u7684\u8fb9\u7f18\u8282\u70b9\uff08POP\uff09\u7ec4\u6210\uff0c\u8282\u70b9\u5065\u5eb7\u76f4\u63a5\u5f71\u54cd\u5185\u5bb9\u4ea4\u4ed8\u7684\u65f6\u5ef6\u3001\u6210\u529f\u7387\u4e0e\u5e26\u5bbd\u5229\u7528\u7387\u3002\u76d1\u6d4b\u7684\u57fa\u672c\u76ee\u6807\u662f\u5c3d\u65e9\u53d1\u73b0\u5f71\u54cd\u53ef\u7528\u6027\u6216\u6027\u80fd\u7684\u5f02\u5e38\uff0c\u5e76\u80fd\u591f\u81ea\u52a8\u6216\u534a\u81ea\u52a8\u5316\u5730\u8fdb\u884c\u5904\u7f6e\u3002<\/p>\n<p>\u76d1\u6d4b\u5206\u4e3a\u4e24\u7c7b\uff1a<strong>\u4e3b\u52a8\u76d1\u6d4b\uff08synthetic \/ probing\uff09<\/strong>\u4e0e<strong>\u88ab\u52a8\u76d1\u6d4b\uff08real-user \/ telemetry\uff09<\/strong>\u3002\u4e3b\u52a8\u76d1\u6d4b\u901a\u8fc7\u5408\u6210\u8bf7\u6c42\u5468\u671f\u6027\u63a2\u6d4b\u8282\u70b9\u54cd\u5e94\uff1b\u88ab\u52a8\u76d1\u6d4b\u5219\u901a\u8fc7\u771f\u5b9e\u7528\u6237\u8bf7\u6c42\uff08RUM\uff09\u6216\u8fb9\u7f18\u65e5\u5fd7\u6536\u96c6\u771f\u5b9e\u6d41\u91cf\u6307\u6807\u3002<\/p>\n<h3>\u4e3b\u52a8\u76d1\u6d4b\u7684\u5de5\u4f5c\u673a\u5236<\/h3>\n<ul>\n<li>\u5916\u90e8\u63a2\u9488\uff08\u4f8b\u5982\u5168\u7403\u591a\u70b9 Ping\u3001HTTP \u8bf7\u6c42\u3001TLS \u63e1\u624b\uff09\u5bf9\u6bcf\u4e2a\u8282\u70b9\u8fdb\u884c\u5468\u671f\u6027\u6d4b\u8bd5\u3002<\/li>\n<li>\u5408\u6210\u4e8b\u52a1\uff08\u4f8b\u5982\u52a0\u8f7d\u7279\u5b9a\u9759\u6001\u8d44\u6e90\u3001\u4e0b\u8f7d\u5c0f\u6587\u4ef6\u3001\u6267\u884c API \u8bf7\u6c42\uff09\u9a8c\u8bc1\u7aef\u5230\u7aef\u4ea4\u4ed8\u94fe\u8def\u3002<\/li>\n<li>\u53ef\u6a21\u62df\u4e0d\u540c\u7f51\u7edc\u6761\u4ef6\u3001\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u4e0e\u4e0d\u540c\u534f\u8bae\uff08HTTP\/1.1\u3001HTTP\/2\u3001QUIC\/HTTP\/3\uff09\u3002<\/li>\n<\/ul>\n<h3>\u88ab\u52a8\u76d1\u6d4b\u7684\u4f18\u52bf<\/h3>\n<ul>\n<li>\u57fa\u4e8e\u771f\u5b9e\u7528\u6237\u6d41\u91cf\uff0c\u53ef\u76f4\u63a5\u53cd\u6620\u7ec8\u7aef\u4f53\u9a8c\uff08\u5982\u9996\u5b57\u8282\u65f6\u95f4\u3001\u9996\u5305 RTT\u3001\u5b8c\u6574\u52a0\u8f7d\u65f6\u95f4\uff09\u3002<\/li>\n<li>\u53ef\u4ee5\u7ed3\u5408 CDN \u7684\u8fb9\u7f18\u65e5\u5fd7\uff08\u8bbf\u95ee\u65e5\u5fd7\u3001\u7f13\u5b58\u65e5\u5fd7\u3001\u9519\u8bef\u65e5\u5fd7\uff09\u8fdb\u884c\u6df1\u5ea6\u5206\u6790\u3002<\/li>\n<li>\u5229\u4e8e\u957f\u5c3e\u95ee\u9898\u53d1\u73b0\uff0c\u4f8b\u5982\u7279\u5b9a ISP \u6216 ASN \u7684\u4e22\u5305\u7387\u5347\u9ad8\u3002<\/li>\n<\/ul>\n<h2>\u5173\u952e\u76d1\u6d4b\u6307\u6807\u8be6\u89e3<\/h2>\n<p>\u4e0b\u9762\u5217\u4e3e\u5e76\u89e3\u91ca\u4e00\u4e9b\u5fc5\u987b\u5173\u6ce8\u7684\u6307\u6807\uff0c\u4ee5\u53ca\u5178\u578b\u9608\u503c\u4e0e\u4f5c\u7528\u3002<\/p>\n<h3>\u53ef\u7528\u6027\u4e0e\u9519\u8bef\u7387<\/h3>\n<ul>\n<li>HTTP \u6210\u529f\u7387\uff082xx \/ \u603b\u8bf7\u6c42\uff09\uff1a\u4f4e\u4e8e 99.9% \u65f6\u9700\u5173\u6ce8\u5168\u5c40\u95ee\u9898\uff1b\u8fb9\u7f18\u8282\u70b9\u53ef\u8bbe\u7f6e 99% \u7684\u672c\u5730\u9608\u503c\u3002<\/li>\n<li>5xx \u9519\u8bef\u7387\uff1a\u53cd\u6620\u8fb9\u7f18\u6216\u56de\u6e90\u6545\u969c\uff0c\u6301\u7eed\u5347\u9ad8\u901a\u5e38\u9700\u8981\u56de\u6e90\u5065\u5eb7\u68c0\u67e5\u6216\u8282\u70b9\u91cd\u542f\u3002<\/li>\n<li>\u8fde\u63a5\u5931\u8d25 \/ TLS \u63e1\u624b\u5931\u8d25\u7387\uff1a\u9ad8\u5931\u8d25\u7387\u63d0\u793a\u8bc1\u4e66\u95ee\u9898\u3001\u52a0\u5bc6\u5e93\u4e0d\u5339\u914d\u6216\u7f51\u7edc\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n<h3>\u6027\u80fd\u76f8\u5173<\/h3>\n<ul>\n<li>\u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\uff1a\u8861\u91cfCDN\u8282\u70b9\u54cd\u5e94\u901f\u7387\uff0c\u957f\u65f6\u95f4\u9ad8\u503c\u53ef\u80fd\u662fCPU\/\u8fdb\u7a0b\u9971\u548c\u6216\u56de\u6e90\u65f6\u5ef6\u3002<\/li>\n<li>\u5b8c\u6574\u5185\u5bb9\u4e0b\u8f7d\u65f6\u95f4\u4e0e\u541e\u5410\u91cf\uff08Throughput\uff09\uff1a\u7528\u4e8e\u5e26\u5bbd\u5bb9\u91cf\u4e0e\u9650\u901f\u5224\u65ad\u3002<\/li>\n<li>\u7f13\u5b58\u547d\u4e2d\u7387\uff08Cache Hit Ratio\uff09\uff1a\u4f4e\u547d\u4e2d\u7387\u5bfc\u81f4\u56de\u6e90\u538b\u529b\u589e\u5927\uff0c\u5f71\u54cd\u6574\u4f53\u5ef6\u8fdf\u4e0e\u6210\u672c\u3002<\/li>\n<\/ul>\n<h3>\u7f51\u7edc\u5c42\u4e0e\u8def\u7531<\/h3>\n<ul>\n<li>\u4e22\u5305\u7387\u4e0e\u6296\u52a8\uff08packet loss \/ jitter\uff09\uff1a\u5c24\u5176\u5f71\u54cd\u5b9e\u65f6\u6d41\u5a92\u4f53\u4e0e\u89c6\u9891\u64ad\u653e\u3002<\/li>\n<li>BGP \u8def\u7531\u53d8\u5316\u4e0e AS \u8def\u7531\u4e22\u5931\uff1a\u53ef\u5bfc\u81f4\u8282\u70b9\u4e0d\u53ef\u8fbe\u6216\u8def\u5f84\u8d70\u5411\u7a81\u53d8\u3002<\/li>\n<li>DNS \u89e3\u6790\u6210\u529f\u7387\u4e0e\u89e3\u6790\u65f6\u5ef6\uff1a\u5f71\u54cd\u5ba2\u6237\u7aef\u80fd\u5426\u627e\u5230\u6700\u4f73\u8282\u70b9\u3002<\/li>\n<\/ul>\n<h3>\u8d44\u6e90\u4e0e\u7cfb\u7edf\u6307\u6807<\/h3>\n<ul>\n<li>CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8 I\/O \u4e0e\u7f51\u7edc\u63a5\u53e3\u5229\u7528\u7387\uff1a\u7528\u4e8e\u5224\u65ad\u8282\u70b9\u8d44\u6e90\u74f6\u9888\u3002<\/li>\n<li>\u8fdb\u7a0b\/\u7ebf\u7a0b\u6570\u3001\u8fde\u63a5\u6570\uff08\u4f8b\u5982 epoll\/sockets\uff09\uff1a\u9632\u6b62\u201c\u961f\u5217\u9971\u548c\u201d\u5bfc\u81f4\u670d\u52a1\u4e0d\u53ef\u7528\u3002<\/li>\n<li>\u8fb9\u7f18\u7f13\u5b58\u5360\u7528\u3001\u6587\u4ef6\u53e5\u67c4\u6d88\u8017\uff1a\u5f71\u54cd\u957f\u671f\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2>\u76d1\u6d4b\u5de5\u5177\u4e0e\u6280\u672f\u9009\u578b<\/h2>\n<p>\u4e0d\u540c\u573a\u666f\u53ef\u7ec4\u5408\u4f7f\u7528\u591a\u79cd\u5de5\u5177\uff0c\u5f62\u6210\u4e3b\u52a8\u4e0e\u88ab\u52a8\u76d1\u6d4b\u7684\u4e92\u8865\u4f53\u7cfb\u3002<\/p>\n<h3>\u56fd\u9645\u7ea7\u76d1\u6d4b\u670d\u52a1<\/h3>\n<ul>\n<li>ThousandEyes\u3001Catchpoint\u3001Pingdom\uff1a\u9002\u5408\u505a\u5168\u7403\u5408\u6210\u76d1\u6d4b\u4e0e\u94fe\u8def\u53ef\u89c6\u5316\u3002<\/li>\n<li>RIPE Atlas\u3001perfSONAR\uff1a\u53ef\u7528\u4e8e\u7f51\u7edc\u6d4b\u91cf\u3001\u8def\u7531\u63a2\u6d4b\u4e0e\u5ef6\u8fdf\u8bca\u65ad\u3002<\/li>\n<\/ul>\n<h3>\u81ea\u5efa\u4e0e\u5f00\u6e90\u76d1\u63a7\u6808<\/h3>\n<ul>\n<li>Prometheus + Grafana\uff1a\u65f6\u95f4\u5e8f\u5217\u6307\u6807\u6536\u96c6\u4e0e\u53ef\u89c6\u5316\uff0c\u9002\u5408\u8282\u70b9\u7ea7\u4e0e\u96c6\u7fa4\u7ea7\u76d1\u63a7\u3002<\/li>\n<li>ELK\/EFK\uff08Elasticsearch + Fluentd\/Logstash + Kibana\uff09\uff1a\u7528\u4e8e\u8fb9\u7f18\u65e5\u5fd7\u5206\u6790\u4e0e\u9519\u8bef\u6eaf\u6e90\u3002<\/li>\n<li>Zabbix \/ Nagios \/ Icinga\uff1a\u7cfb\u7edf\u3001\u7f51\u7edc\u4e0e\u8fdb\u7a0b\u7ea7\u76d1\u63a7\u62a5\u8b66\u3002<\/li>\n<li>Netdata\uff1a\u8f7b\u91cf\u7ea7\u5b9e\u65f6\u6027\u80fd\u76d1\u63a7\uff0c\u9002\u7528\u4e8e\u5355\u70b9\u5feb\u901f\u6392\u67e5\u3002<\/li>\n<\/ul>\n<h3>\u5408\u6210\u4e8b\u52a1\u4e0eRUM\u6574\u5408<\/h3>\n<ul>\n<li>\u5728\u5168\u7403\u4e0d\u540c\u57ce\u5e02\u5e03\u7f6e\u5408\u6210\u63a2\u9488\uff08\u542b\u9999\u6e2f\u3001\u4e1c\u4eac\u3001\u9996\u5c14\u3001\u65b0\u52a0\u5761\u4e0e\u7f8e\u56fd\u8282\u70b9\uff09\u6d4b\u91cf HTTP\/HTTPS\u3001QUIC \u7684\u8868\u73b0\u3002<\/li>\n<li>\u96c6\u6210 RUM\uff08\u771f\u5b9e\u7528\u6237\u76d1\u63a7\uff09SDK \u6536\u96c6\u6d4f\u89c8\u5668\u7aef\u4f53\u9a8c\u6570\u636e\uff0c\u7ed3\u5408\u540e\u7aef\u65e5\u5fd7\u5f62\u6210\u5b8c\u6574\u94fe\u8def\u89c6\u56fe\u3002<\/li>\n<\/ul>\n<h2>\u81ea\u52a8\u5316\u76d1\u6d4b\u4e0e\u6545\u969c\u54cd\u5e94\u5b9e\u6218\u6307\u5357<\/h2>\n<p>\u8981\u628a\u76d1\u6d4b\u53d8\u6210\u80fd\u81ea\u52a8\u5316\u54cd\u5e94\u7684\u4f53\u7cfb\uff0c\u9700\u8981\u8bbe\u8ba1\u62a5\u8b66\u7b56\u7565\u3001\u81ea\u52a8\u5316\u5904\u7f6e\u811a\u672c\u4e0e\u5ba1\u8ba1\u673a\u5236\u3002<\/p>\n<h3>\u5206\u7ea7\u544a\u8b66\u4e0e\u566a\u58f0\u6291\u5236<\/h3>\n<ul>\n<li>\u5c06\u544a\u8b66\u5206\u4e3a\u4fe1\u606f\u3001\u8b66\u544a\u3001\u7d27\u6025\u4e09\u4e2a\u7b49\u7ea7\u3002\u53ea\u6709\u6ee1\u8db3\u6301\u7eed\u65f6\u95f4\u4e0e\u5f71\u54cd\u8303\u56f4\u7684\u9608\u503c\u624d\u62a5\u7d27\u6025\u544a\u8b66\uff0c\u907f\u514d\u6296\u52a8\u9020\u6210\u7684\u566a\u58f0\u3002<\/li>\n<li>\u4f7f\u7528\u6291\u5236\u89c4\u5219\uff08suppression\uff09\u4e0e\u6296\u52a8\u7a97\u53e3\uff08for: X minutes\uff09\u6765\u51cf\u5c11\u8bef\u62a5\u3002<\/li>\n<\/ul>\n<h3>\u81ea\u52a8\u5316\u5904\u7f6e\u80fd\u529b\u6e05\u5355<\/h3>\n<ul>\n<li>\u8282\u70b9\u81ea\u6108\uff1a\u82e5 CPU\u3001IO \u6216\u8fdb\u7a0b\u5f02\u5e38\uff0c\u81ea\u52a8\u91cd\u542f\u670d\u52a1\u6216\u5bb9\u5668\uff08systemd \/ Docker \/ Kubernetes\uff09\u3002<\/li>\n<li>\u7f13\u5b58\u7b56\u7565\uff1a\u5728\u53d1\u73b0\u7f13\u5b58\u547d\u4e2d\u7387\u9aa4\u964d\u65f6\uff0c\u89e6\u53d1\u81ea\u52a8\u5316\u7f13\u5b58\u9884\u70ed\u6216\u5c40\u90e8\u56de\u6e90\u9650\u6d41\u3002<\/li>\n<li>\u6d41\u91cf\u5207\u6362\uff1a\u901a\u8fc7 BGP \u6216 DNS \u81ea\u52a8\u5316\uff08\u6216\u4f7f\u7528\u8d1f\u8f7d\u8c03\u5ea6\u5668\uff09\u5c06\u6d41\u91cf\u4ece\u6545\u969c\u8282\u70b9\u5207\u8d70\u5230\u5065\u5eb7\u8282\u70b9\u3002<\/li>\n<li>\u8bc1\u4e66\u66f4\u65b0\uff1aTLS \u5230\u671f\u9884\u8b66\u5e76\u81ea\u52a8\u901a\u8fc7 ACME\uff08\u4f8b\u5982 Let&#8217;s Encrypt\uff09\u6216\u5185\u90e8 PKI \u5b8c\u6210\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<h3>\u6267\u884c\u81ea\u52a8\u5316\u7684\u6280\u672f\u6808\u4e0e\u793a\u4f8b<\/h3>\n<ul>\n<li>\u914d\u7f6e\u7ba1\u7406\uff1aAnsible \/ SaltStack \u7528\u4e8e\u6279\u91cf\u4e0b\u53d1\u4e0e\u6267\u884c\u4fee\u590d\u811a\u672c\u3002<\/li>\n<li>\u57fa\u7840\u8bbe\u65bd\u5373\u4ee3\u7801\uff1aTerraform \u7ba1\u7406 DNS \u548c\u4e91\u8d44\u6e90\uff0c\u5b9e\u73b0\u53ef\u56de\u6eda\u7684\u6d41\u91cf\u5207\u6362\u7b56\u7565\u3002<\/li>\n<li>CI\/CD \u4e0e\u5bb9\u5668\u5316\uff1a\u5229\u7528 Kubernetes \u7684\u5065\u5eb7\u68c0\u67e5\uff08liveness\/readiness\uff09\u4e0e\u81ea\u52a8\u6269\u7f29\u5bb9\uff08HPA\uff09\u5b9e\u73b0\u8282\u70b9\u5c42\u9762\u81ea\u6108\u3002<\/li>\n<li>\u544a\u8b66\u4e0e\u7f16\u6392\uff1aPrometheus Alertmanager\u3001PagerDuty \u4e0e\u5185\u90e8 Webhook \u534f\u540c\u89e6\u53d1\u81ea\u52a8\u5316\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h3>\u793a\u4f8b\u6545\u969c\u5904\u7f6e\u6d41\u7a0b\uff08\u538b\u7f29\u7248\uff09<\/h3>\n<ul>\n<li>\u63a2\u9488\u53d1\u73b0\u67d0\u9999\u6e2f\u8282\u70b9 HTTP 5xx \u6bd4\u4f8b\u5728 5 \u5206\u949f\u5185 &gt; 5%\uff0c\u540c\u65f6\u771f\u5b9e\u7528\u6237 RUM \u663e\u793a TTFB \u5347\u9ad8\u3002<\/li>\n<li>\u89e6\u53d1 Alertmanager \u544a\u8b66\uff0c\u6267\u884c\u9884\u5b9a\u4e49 Playbook\uff1a1) \u6682\u505c\u8be5\u8282\u70b9\u7684\u6d41\u91cf\u8c03\u5ea6\uff08BGP withdraw \u6216 DNS failover\uff09\uff1b2) \u6267\u884c\u8fdc\u7a0b\u8bca\u65ad\u811a\u672c\uff08\u6536\u96c6 dmesg\u3001netstat\u3001top\u3001edge \u65e5\u5fd7\uff09\uff1b3) \u82e5\u4e3a\u8d44\u6e90\u8017\u5c3d\uff0c\u5219\u91cd\u542f CDN \u8fb9\u7f18\u670d\u52a1\u5e76\u6e05\u7406\u7f13\u5b58\u4e34\u65f6\u6587\u4ef6\uff1b4) \u82e5\u95ee\u9898\u672a\u89e3\u51b3\uff0c\u8fdb\u884c\u56de\u6eda\u5e76\u5347\u7ea7\u8fd0\u7ef4\u5de5\u5355\u3002<\/li>\n<li>\u6240\u6709\u6b65\u9aa4\u901a\u8fc7\u65e5\u5fd7\u4e0e\u4e8b\u4ef6 ID \u81ea\u52a8\u8bb0\u5f55\u81f3 ELK\uff0c\u4fbf\u4e8e\u4e8b\u540e\u6f14\u7ec3\u4e0e RCA\uff08\u6839\u56e0\u5206\u6790\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u5bf9\u76d1\u6d4b\u4fa7\u91cd\u70b9\u4e0d\u540c\uff1a<\/p>\n<h3>\u9759\u6001\u5185\u5bb9 CDN\uff08\u5982\u56fe\u7247\u3001JS\u3001CSS\uff09<\/h3>\n<ul>\n<li>\u5173\u6ce8\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u5e26\u5bbd\u4e0e\u54cd\u5e94\u65f6\u95f4\u3002\u901a\u8fc7\u9884\u70ed\u4e0e\u957f TTL \u7b56\u7565\u964d\u4f4e\u56de\u6e90\u8d1f\u8f7d\u3002<\/li>\n<li>\u53ef\u91c7\u7528\u66f4\u591a\u5408\u6210\u8bf7\u6c42\u9a8c\u8bc1\u9759\u6001\u8d44\u6e90\u5b8c\u6574\u6027\u4e0e\u7f13\u5b58\u914d\u7f6e\u6b63\u786e\u6027\u3002<\/li>\n<\/ul>\n<h3>\u52a8\u6001 API \/ SPA \u540e\u7aef\u52a0\u901f<\/h3>\n<ul>\n<li>\u91cd\u70b9\u76d1\u6d4b API \u6210\u529f\u7387\u3001\u7aef\u5230\u7aef\u65f6\u5ef6\u4e0e TLS \u63e1\u624b\u6027\u80fd\u3002<\/li>\n<li>\u9700\u8981\u5bc6\u5207\u8054\u52a8\u56de\u6e90\u5065\u5eb7\u76d1\u6d4b\uff0c\u4f7f\u7528\u8fde\u63a5\u6c60\u4e0e\u957f\u8fde\u63a5\u6765\u964d\u4f4e\u56de\u6e90\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h3>\u6d41\u5a92\u4f53\u4e0e\u5b9e\u65f6\u5e94\u7528<\/h3>\n<ul>\n<li>\u5bf9\u4e22\u5305\u3001\u6296\u52a8\u4e0e\u7aef\u5230\u7aef\u5ef6\u8fdf\u9ad8\u5ea6\u654f\u611f\uff0c\u9700\u5728\u7f51\u7edc\u5c42\u8fdb\u884c\u66f4\u7ec6\u7c92\u5ea6\u7684\u63a2\u6d4b\uff08UDP\/TCP \u6d4b\u8bd5\u3001QUIC \u6d4b\u8bd5\uff09\u3002<\/li>\n<li>\u53ef\u4ee5\u5f15\u5165 QoS \u7b56\u7565\u4e0e\u4e13\u7528\u94fe\u8def\u76d1\u6d4b\u3002<\/li>\n<\/ul>\n<h2>\u8282\u70b9\u9009\u8d2d\u4e0e\u90e8\u7f72\u5efa\u8bae<\/h2>\n<p>\u9009\u62e9 CDN \u8282\u70b9\u6216\u81ea\u5efa\u8fb9\u7f18\u65f6\uff0c\u5e94\u7ed3\u5408\u4e1a\u52a1\u8986\u76d6\u3001\u6210\u672c\u4e0e\u5408\u89c4\u9700\u6c42\u8fdb\u884c\u8bc4\u4f30\uff1a<\/p>\n<ul>\n<li>\u4f18\u5148\u9009\u62e9\u8986\u76d6\u4e3b\u8981\u7528\u6237\u7fa4\u7684\u8282\u70b9\uff08\u4f8b\u5982\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u8986\u76d6\u4e9a\u6d32\u7528\u6237\uff1b\u7f8e\u56fd\u8986\u76d6\u5317\u7f8e\u6d41\u91cf\uff09\u3002<\/li>\n<li>\u5bf9\u6cd5\u5f8b\u5408\u89c4\u4e0e\u6570\u636e\u4e3b\u6743\u654f\u611f\u7684\u4e1a\u52a1\uff0c\u8003\u8651\u672c\u5730\u5316\u90e8\u7f72\u6216\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u7b49\u5730\u7684\u6258\u7ba1\u670d\u52a1\u3002<\/li>\n<li>\u82e5\u9884\u7b97\u6709\u9650\uff0c\u53ef\u9009\u62e9\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS \u90e8\u7f72\u8f7b\u91cf\u7ea7\u8fb9\u7f18\u903b\u8f91\uff0c\u7ed3\u5408\u5546\u4e1a CDN \u505a\u6df7\u5408\u4ea4\u4ed8\u3002<\/li>\n<li>\u57df\u540d\u89e3\u6790\u914d\u7f6e\u4e0e DNS \u63d0\u4f9b\u5546\u8d28\u91cf\u76f4\u63a5\u5f71\u54cd\u8282\u70b9\u8c03\u5ea6\uff0c\u8bf7\u9009\u7528\u652f\u6301\u5065\u5eb7\u68c0\u67e5\u4e0e\u5730\u7406 DNS \u7684\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3\u4e0e\u843d\u5730\u6e05\u5355<\/h2>\n<p>CDN \u8282\u70b9\u5065\u5eb7\u76d1\u6d4b\u662f\u4e00\u9879\u7cfb\u7edf\u5de5\u7a0b\uff0c\u9700\u8986\u76d6\u4e3b\u52a8\u63a2\u6d4b\u3001\u88ab\u52a8\u76d1\u63a7\u3001\u8d44\u6e90\u91c7\u96c6\u3001\u544a\u8b66\u7b56\u7565\u4e0e\u81ea\u52a8\u5316\u5904\u7f6e\u3002\u5b9e\u8df5\u4e2d\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u6784\u5efa\u5408\u6210\u63a2\u9488\u7f51\u7edc\u5e76\u7ed3\u5408 RUM\uff0c\u786e\u4fdd\u8986\u76d6\u5173\u952e\u57ce\u5e02\u4e0e ISP\u3002<\/li>\n<li>\u4f7f\u7528 Prometheus + Grafana \u505a\u65f6\u5e8f\u6307\u6807\u544a\u8b66\uff0cELK \u505a\u65e5\u5fd7\u6eaf\u6e90\uff0c\u914d\u5408\u7b2c\u4e09\u65b9\u5408\u6210\u76d1\u6d4b\u63d0\u5347\u8986\u76d6\u9762\u3002<\/li>\n<li>\u5b9e\u73b0\u81ea\u52a8\u5316\u5904\u7f6e Playbook\uff08Ansible \/ Terraform \/ Kubernetes\uff09\u5e76\u5bf9\u6bcf\u4e00\u6b65\u505a\u5ba1\u8ba1\u4e0e\u56de\u6eda\u80fd\u529b\u3002<\/li>\n<li>\u5b9a\u671f\u8fdb\u884c\u6545\u969c\u6f14\u7ec3\uff08Chaos Engineering\uff09\u9a8c\u8bc1\u81ea\u52a8\u5316\u6d41\u7a0b\u4e0e\u9608\u503c\u8bbe\u7f6e\u7684\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<p>\u5408\u7406\u7684\u76d1\u6d4b\u4f53\u7cfb\u80fd\u663e\u8457\u63d0\u5347 CDN 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href=\"https:\/\/server.hk\/\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5168\u7403\u5316\u4e92\u8054\u7f51\u65f6\u4ee3\uff0cCDN\u8282\u70b9\u5065\u5eb7\u76d1\u6d4b\u662f\u4fdd\u969c\u5185\u5bb9\u5feb\u901f\u7a33\u5b9a\u4ea4\u4ed8\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002\u672c\u6587\u7ed3\u5408\u5173\u952e\u6307\u6807\u3001\u5e38\u7528\u5de5\u5177\u4e0e\u81ea\u52a8\u5316\u5b9e\u6218\uff0c\u6559\u4f60\u4ece\u539f\u7406\u5230\u843d\u5730\u642d\u5efa\u53ef\u81ea\u52a8\u5316\u7684\u8282\u70b9\u76d1\u63a7\u4e0e\u5904\u7f6e\u4f53\u7cfb\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3788,3961,4175,4177,4178,4179,404,4176,4180],"class_list":{"0":"post-210001","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","9":"tag-4175","10":"tag-4177","11":"tag-4178","12":"tag-4179","13":"tag-404","14":"tag-4176","15":"tag-4180"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=210001"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210001\/revisions"}],"predecessor-version":[{"id":210002,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210001\/revisions\/210002"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=210001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=210001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=210001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}