\u67b6\u6784\u6df1\u5ea6\u5256\u6790<\/strong><\/h2>\n

SCDN\u548cCDN\u5728\u5904\u7406\u52a8\u6001\u5185\u5bb9\u548c\u8def\u7531\u4f18\u5316\u65b9\u9762\u5b58\u5728\u6839\u672c\u7684\u67b6\u6784\u5dee\u5f02\u3002\u4ee5\u4e0b\u662f\u6280\u672f\u7ec6\u8282\uff1a<\/p>\n

\r\n# SCDN\u52a8\u6001\u8def\u7531\u9009\u62e9\r\nfunction calculateOptimalPath(request) {\r\n    const metrics = {\r\n        latency: getCurrentLatency(),\r\n        bandwidth: getAvailableBandwidth(),\r\n        serverLoad: getServerMetrics()\r\n    };\r\n    \r\n    return metrics.map(path => {\r\n        return {\r\n            weight: path.latency * 0.4 + path.bandwidth * 0.4 + path.serverLoad * 0.2,\r\n            route: path.identifier\r\n        };\r\n    }).sort((a, b) => a.weight - b.weight)[0];\r\n}\r\n<\/code><\/pre>\n
\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u7279\u5b9a\u4f18\u5316<\/strong><\/h2>\n
\u4f5c\u4e3a\u6570\u5b57\u67a2\u7ebd\uff0c\u9999\u6e2f\u7684\u6218\u7565\u4f4d\u7f6e\u8981\u6c42SCDN\u548cCDN\u5b9e\u65bd\u90fd\u9700\u8981\u7279\u5b9a\u7684\u4f18\u5316\u3002\u4e3b\u8981\u8003\u8651\u56e0\u7d20\u5305\u62ec\u8de8\u5883\u6d41\u91cf\u7ba1\u7406\u548c\u6cd5\u89c4\u9075\u4ece\uff1a<\/p>\n
\r\n\/\/ \u9999\u6e2f\u670d\u52a1\u5668\u914d\u7f6e\u6a21\u677f\r\n{\r\n    \"region\": \"HK\",\r\n    \"optimization\": {\r\n        \"mainland_china_routes\": {\r\n            \"primary\": \"HK-SZ-direct\",\r\n            \"backup\": \"HK-GZ-direct\",\r\n            \"latency_threshold\": \"20ms\"\r\n        },\r\n        \"sea_routes\": {\r\n            \"primary\": \"HK-SG-direct\",\r\n            \"backup\": \"HK-TW-SG\",\r\n            \"bandwidth_reserve\": \"40%\"\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u6027\u80fd\u76d1\u63a7\u4e0e\u5206\u6790<\/strong><\/h2>\n
\u5b9e\u65bd\u7a33\u5065\u7684\u76d1\u63a7\u5bf9\u4e8e\u7ef4\u6301\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u63a8\u8350\u7684\u76d1\u63a7\u67b6\u6784\uff1a<\/p>\n
\n
\u5b9e\u65f6\u6307\u6807\uff1a
\n\u2022 \u8bf7\u6c42\u5904\u7406\u65f6\u95f4
\n\u2022 \u7f51\u7edc\u5ef6\u8fdf
\n\u2022 \u7f13\u5b58\u547d\u4e2d\u7387
\n\u2022 \u6e90\u7ad9\u670d\u52a1\u5668\u8d1f\u8f7d<\/li>\n
\u5386\u53f2\u5206\u6790\uff1a
\n\u2022 \u6d41\u91cf\u6a21\u5f0f
\n\u2022 \u5e26\u5bbd\u5229\u7528\u7387
\n\u2022 \u9519\u8bef\u7387
\n\u2022 \u6bcf\u6b21\u8bf7\u6c42\u6210\u672c<\/li>\n<\/ol>\n
\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n
\u5728\u8bc4\u4f30\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684SCDN\u4e0eCDN\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u6280\u672f\u6210\u672c\u56e0\u7d20\uff1a<\/p>\n
\r\n\/\/ \u6708\u5ea6\u6210\u672c\u8ba1\u7b97\u793a\u4f8b\r\nfunction calculateMonthlyCost(solution, traffic) {\r\n    const baseCost = {\r\n        'SCDN': 0.08,  \/\/ \u6bcfGB\r\n        'CDN': 0.12    \/\/ \u6bcfGB\r\n    };\r\n    \r\n    return {\r\n        bandwidth: traffic * baseCost[solution],\r\n        setup: solution === 'SCDN' ? 1500 : 800,\r\n        maintenance: solution === 'SCDN' ? 200 : 150\r\n    };\r\n}\r\n<\/code><\/pre>\n
\u5b9e\u65bd\u6307\u5357<\/strong><\/h2>\n
\u4e3a\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5b9e\u73b0\u6700\u4f73\u90e8\u7f72\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6280\u672f\u5b9e\u65bd\u6b65\u9aa4\uff1a<\/p>\n
\r\n# \u90e8\u7f72\u68c0\u67e5\u6e05\u5355\r\n1. \u7f51\u7edc\u8bc4\u4f30\r\n   \u2514\u2500\u2500 \u8fd0\u884c\u5e26\u5bbd\u6d4b\u8bd5\r\n   \u2514\u2500\u2500 \u6d4b\u91cf\u57fa\u51c6\u5ef6\u8fdf\r\n   \u2514\u2500\u2500 \u8bb0\u5f55\u5bf9\u7b49\u4e92\u8054\u5b89\u6392\r\n\r\n2. \u914d\u7f6e\u8bbe\u7f6e\r\n   \u251c\u2500\u2500 \u4e3b\u8981\u914d\u7f6e\r\n   \u2502   \u251c\u2500\u2500 \u6e90\u7ad9\u670d\u52a1\u5668\u8bbe\u7f6e\r\n   \u2502   \u251c\u2500\u2500 \u7f13\u5b58\u89c4\u5219\r\n   \u2502   \u2514\u2500\u2500 SSL\u8bc1\u4e66\r\n   \u2514\u2500\u2500 \u5907\u4efd\u914d\u7f6e\r\n       \u251c\u2500\u2500 \u6545\u969c\u8f6c\u79fb\u8def\u7531\r\n       \u2514\u2500\u2500 \u5e94\u6025\u534f\u8bae\r\n\r\n3. \u76d1\u63a7\u8bbe\u7f6e\r\n   \u2514\u2500\u2500 \u914d\u7f6e\u4ee5\u4e0b\u8b66\u62a5\uff1a\r\n       \u251c\u2500\u2500 \u5ef6\u8fdf\u5cf0\u503c > 50ms\r\n       \u251c\u2500\u2500 \u7f13\u5b58\u547d\u4e2d\u7387 < 90% \u2514\u2500\u2500 \u9519\u8bef\u7387 > 0.1%\r\n<\/code><\/pre>\n
\u672a\u6765\u5c55\u671b<\/strong><\/h2>\n
\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u9886\u57df\u7684\u7f51\u7edc\u6280\u672f\u6f14\u8fdb\u6301\u7eed\u5851\u9020\u7740SCDN\u548cCDN\u7684\u5b9e\u65bd\u3002\u4e3b\u8981\u53d1\u5c55\u5305\u62ec\uff1a<\/p>\n
\n
\u8fb9\u7f18\u8ba1\u7b97\u96c6\u6210\n
\r\n\/\/ \u8fb9\u7f18\u8ba1\u7b97\u914d\u7f6e\r\nedge_compute_config {\r\n    \"functions\": {\r\n        \"image_processing\": true,\r\n        \"code_compilation\": false,\r\n        \"data_aggregation\": true\r\n    },\r\n    \"resource_allocation\": {\r\n        \"cpu\": \"2 cores\",\r\n        \"memory\": \"4GB\",\r\n        \"storage\": \"100GB SSD\"\r\n    }\r\n}\r\n        <\/code><\/pre>\n<\/li>\n<\/ul>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u9009\u62e9SCDN\u8fd8\u662fCDN\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u6280\u672f\u8981\u6c42\u548c\u4f7f\u7528\u573a\u666f\u3002SCDN\u63d0\u4f9b\u66f4\u4f18\u5f02\u7684\u52a8\u6001\u5185\u5bb9\u5904\u7406\u548c\u5b9e\u65f6\u4f18\u5316\u80fd\u529b\uff0c\u800cCDN\u5219\u63d0\u4f9b\u5f3a\u5927\u7684\u7f13\u5b58\u529f\u80fd\u548c\u6210\u719f\u7684\u5168\u7403\u57fa\u7840\u8bbe\u65bd\u3002\u5728\u505a\u51fa\u8fd9\u4e2a\u6280\u672f\u51b3\u7b56\u65f6\uff0c\u9700\u8981\u8003\u8651\u60a8\u7684\u5e94\u7528\u5728\u5ef6\u8fdf\u3001\u5e26\u5bbd\u548c\u5185\u5bb9\u7c7b\u578b\u65b9\u9762\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n
\u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u548c\u6280\u672f\u56e2\u961f\u800c\u8a00\uff0cSCDN\u548cCDN\u6280\u672f\u90fd\u80fd\u4e3a\u7f51\u7edc\u4f18\u5316\u548c\u5185\u5bb9\u5206\u53d1\u63d0\u4f9b\u53ef\u884c\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5173\u952e\u5728\u4e8e\u57fa\u4e8e\u5b9e\u9645\u6027\u80fd\u6307\u6807\u8fdb\u884c\u6b63\u786e\u7684\u5b9e\u65bd\u3001\u76d1\u63a7\u548c\u6301\u7eed\u4f18\u5316\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row][vc_column][vc_column_text css=””]\u5728\u7f51\u7edc\u52a0\u901f\u6280\u672f\u9886\u57df\uff0cSCDN\uff08\u667a\u80fd\u5185\u5bb9\u7f51\u7edc\u5206\u53d1\uff09\u548cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4ee3\u8868\u4e86\u4f18\u5316\u5185\u5bb9\u5206\u53d1\u7684\u4e24\u79cd\u4e0d\u540c\u65b9\u6cd5\u3002\u672c\u6280\u672f\u5206\u6790\u63a2\u8ba8\u5b83\u4eec\u5728\u67b6\u6784\u4e0a\u7684\u5dee\u5f02\u3001\u5b9e\u65bd\u7b56\u7565\u4ee5\u53ca\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u3002 \u4e86\u89e3SCDN\u67b6\u6784 SCDN\u91c7\u7528\u52a8\u6001\u8def\u7531\u673a\u5236\uff0c\u8fd9\u4f7f\u5176\u4e0e\u4f20\u7edf\u5185\u5bb9\u5206\u53d1\u65b9\u6cd5\u6709\u6240\u4e0d\u540c\u3002\u4e0e\u4f20\u7edf\u7cfb\u7edf\u4e0d\u540c\uff0cSCDN\u5229\u7528\u667a\u80fd\u8def\u5f84\u4f18\u5316\u7b97\u6cd5\u5b9e\u65f6\u786e\u5b9a\u6570\u636e\u4f20\u8f93\u7684\u6700\u6709\u6548\u8def\u5f84\u3002 # \u9999\u6e2f\u670d\u52a1\u5668\u7684SCDN\u914d\u7f6e\u793a\u4f8b server { listen 80; server_name example.hk; location \/ { scdn_zone hk_zone; scdn_origin origin.example.hk; scdn_realtime_path_optimization on; proxy_buffering off; } } CDN\u6280\u672f\u5b9e\u65bd CDN\u67b6\u6784\u4f9d\u8d56\u4e8e\u6218\u7565\u6027\u5206\u5e03\u5728\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684\u670d\u52a1\u5668\u7f51\u7edc\u3002\u5bf9\u4e8e\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\uff0c\u5173\u952e\u7684\u533a\u522b\u5728\u4e8e\u8fb9\u7f18\u670d\u52a1\u5668\u7684\u90e8\u7f72\u548c\u7f13\u5b58\u673a\u5236\u3002 \u4ee5\u4e0b\u662f\u6700\u4f73CDN\u5b9e\u65bd\u7684\u6280\u672f\u89c4\u8303\uff1a \u8fb9\u7f18\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\uff1a< 10ms \u7f13\u5b58\u547d\u4e2d\u7387\uff1a> 95% \u9996\u5b57\u8282\u65f6\u95f4\uff08TTFB\uff09\uff1a< 100ms \u6e90\u7ad9\u9632\u62a4\u914d\u7f6e\uff1a\u591a\u5c42\u6b21 \u6027\u80fd\u6307\u6807\u5bf9\u6bd4 \u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u5b9e\u8bc1\u6d4b\u8bd5\u663e\u793a\u51fa\u4e0d\u540c\u7684\u6027\u80fd\u7279\u5f81\uff1a \/\/ \u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c { “SCDN”: { “averageLatency”: “8ms”, “throughput”: “850 Mbps”, “packetLoss”: “0.001%”, “routeOptimization”: “real-time” }, “CDN”: { “averageLatency”: […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":20229,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[8836,5197,5196,3518,2748,248],"class_list":["post-20290","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-hong-kong-hosting-sc-3","tag-network-acceleration-sc","tag-scdn-sc","tag-content-delivery-sc","tag-cdn-sc","tag-hong-kong-server-rental-sc"],"acf":[],"yoast_head":"\n