{"id":25510,"date":"2025-10-14T18:17:00","date_gmt":"2025-10-14T10:17:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=25510"},"modified":"2025-09-15T14:23:21","modified_gmt":"2025-09-15T06:23:21","slug":"hong-kong-cloud-server-stability-5-metrics","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/hk-server\/hong-kong-cloud-server-stability-5-metrics\/","title":{"rendered":"\u5982\u4f55\u5224\u65ad\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u662f\u5426\u7a33\u5b9a\uff1f\u5fc5\u770b5\u5927\u5173\u952e\u6307\u6807"},"content":{"rendered":"\n<p>\u5728<a href=\"https:\/\/cn.hostease.com\/hkvps.html\">\u9999\u6e2f\u4e91\u670d\u52a1\u5668<\/a>\u9009\u578b\u4e0a\uff0c\u6211\u66f4\u770b\u91cd\u201c\u7a33\u4e0d\u7a33\u201d\uff0c\u800c\u4e0d\u662f\u5355\u4e00\u7684CPU\u6216\u5185\u5b58\u3002\u8fc7\u53bb\u6211\u4eec\u7ed9\u5ba2\u6237\u7f51\u7ad9\u505a\u8fc7\u8fc1\u79fb\u4e0e\u7a33\u5b9a\u6027\u8bc4\u4f30\uff0c\u6211\u53d1\u73b0\u53ea\u8981\u628a\u4ee5\u4e0b\u4e94\u4ef6\u4e8b\u9010\u4e00\u6838\u5bf9\uff1a\u53ef\u7528\u7387SLA\u3001\u5e26\u5bbd\u4fdd\u969c\u3001\u673a\u623f\u7ea7\u522b\u3001\u6570\u636e\u5907\u4efd\u673a\u5236\u3001DDoS\u9632\u5fa1\u80fd\u529b\uff0c\u4f60\u5c31\u80fd\u5728\u4e0b\u5355\u524d\u628a\u7edd\u5927\u591a\u6570\u9690\u60a3\u6392\u9664\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8981\u4ece\u53ef\u7528\u7387SLA\u770b\u7a33\u5b9a\u6027<\/h2>\n\n\n\n<p>\u591a\u6570\u5382\u5546\u90fd\u4f1a\u63d0\u4f9b\u6708\u5ea6\u6216\u5e74\u5ea6\u53ef\u7528\u7387SLA\uff0c\u5e38\u89c1\u7684\u5199\u6cd5\u662f\u8fbe\u4e0d\u5230\u9608\u503c\u5c31\u7ed9\u670d\u52a1\u79ef\u5206\u800c\u975e\u73b0\u91d1\u8d54\u4ed8\u3002SLA\u4e0d\u662f\u201c\u4fdd\u9669\u201d\uff0c\u66f4\u50cf\u662f\u628a\u8d23\u4efb\u8fb9\u754c\u8bb2\u6e05\u695a\u3002\u4f60\u5728\u6bd4\u8f83\u65f6\u8981\u5173\u6ce8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u7528\u7387\u7684\u8ba1\u7b97\u53e3\u5f84\uff1a\u89c2\u6d4b\u70b9\u5728\u7528\u6237\u4fa7\u8fd8\u662f\u4e91\u4fa7\u3001\u662f\u5426\u6392\u9664\u8ba1\u5212\u7ef4\u62a4<\/li>\n\n\n\n<li>\u67b6\u6784\u4f9d\u8d56\uff1a\u662f\u5426\u8981\u6c42\u591a\u53ef\u7528\u533a\/\u8de8\u56ed\u533a\u90e8\u7f72\u624d\u80fd\u8fbe\u6210\u66f4\u9ad8SLA<\/li>\n\n\n\n<li>\u771f\u5b9e\u8bb0\u5f55\uff1a\u7d22\u8981\u8fd112\u4e2a\u6708\u53ef\u7528\u7387\u6708\u62a5\u4e0e\u7ef4\u62a4\u516c\u544a<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5feb\u901f\u4f30\u7b97\u5141\u8bb8\u5b95\u673a\u65f6\u957f(\u4ee530\u5929\u4e3a\u4f8b)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6708\u5ea6SLA<\/th><th>\u5141\u8bb8\u5b95\u673a\u65f6\u957f<\/th><\/tr><\/thead><tbody><tr><td>99.9%<\/td><td>43.2\u5206\u949f<\/td><\/tr><tr><td>99.95%<\/td><td>21.6\u5206\u949f<\/td><\/tr><tr><td>99.99%<\/td><td>4.32\u5206\u949f<\/td><\/tr><tr><td>99.995%<\/td><td>2.16\u5206\u949f<\/td><\/tr><tr><td>99.999%<\/td><td>0.43\u5206\u949f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u6211\u7684\u5efa\u8bae<\/strong>\uff1a\u5173\u952e\u4e1a\u52a1\u5c3d\u91cf\u4ee599.99%\u4e3a\u8d77\u6b65\u7ebf\uff1b\u5982\u80fd\u542f\u7528\u591a\u53ef\u7528\u533a\u67b6\u6784\uff0c\u518d\u8c08\u66f4\u9ad8SLA\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e26\u5bbd\u4fdd\u969c\uff1a\u5171\u4eab\u2260\u7a33\u5b9a\uff0c\u91cd\u70b9\u6838\u5bf9\u662f\u5426\u6709CIR<\/h2>\n\n\n\n<p>\u9999\u6e2f\u8282\u70b9\u7ecf\u5e38\u5ba3\u4f20\u201c\u00d7Mbps\u4e0d\u9650\u6d41\u91cf\u201d\uff0c\u4f46\u8fd9\u4e0d\u7b49\u4e8e\u6bcf\u65f6\u6bcf\u523b\u90fd\u80fd\u8dd1\u6ee1\u3002\u60f3\u8981\u7a33\u5b9a\uff0c\u8981\u770b\u662f\u5426\u63d0\u4f9b\u627f\u8bfa\u5e26\u5bbdCIR(Committed Information Rate)\u6216\u72ec\u4eab\u53e3\u3002\u6211\u7684\u5b9e\u64cd\u8981\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ba9\u5bf9\u65b9\u5728\u5408\u540c\u6216\u5de5\u5355\u91cc\u5199\u6e05\u4e0a\u4e0b\u884cCIR\u3001\u8fc7\u91cf\u6bd4\u3001\u62e5\u585e\u65f6\u7684\u4e22\u5f03\/\u9650\u901f\u7b56\u7565<\/li>\n\n\n\n<li>\u7d22\u8981\u51fa\u53e3\u8fd0\u8425\u5546\u4e0eBGP\u7b56\u7565\uff0c\u4f18\u9009\u591a\u8fd0\u8425\u5546\u4e0e\u591a\u8def\u7531<\/li>\n\n\n\n<li>\u81ea\u6d4b\u65b9\u6cd5\uff1a\u7528\u591a\u5730\u63a2\u9488\u5728\u9ad8\u5cf0\/\u4f4e\u8c37\u65f6\u6bb5\u8dd1RTT\u3001\u4e22\u5305\u3001Jitter\u66f2\u7ebf\uff1b\u5fc5\u8981\u65f6\u7528iperf3\u505a\u7aef\u5230\u7aef\u541e\u5410\u6821\u9a8c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7ecf\u9a8c\u9608\u503c<\/strong>\uff1a\u8de8\u5883\u7ad9\u70b9\u5728\u4e1a\u52a1\u9ad8\u5cf0\u65f6\u6bb5\uff0c\u4e22\u5305&lt;0.2%\u3001Jitter&lt;10ms\u3001\u5cf0\u8c37\u5e26\u5bbd\u5dee&lt;20%\u66f4\u5b89\u5fc3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u673a\u623f\u7ea7\u522b\uff1a\u4f18\u5148\u9009\u62e9\u901a\u8fc7Uptime Institute\u8ba4\u8bc1\u7684Tier\u7b49\u7ea7<\/h2>\n\n\n\n<p>\u673a\u623f\u662f\u7a33\u5b9a\u6027\u7684\u201c\u5730\u57fa\u201d\u3002TierIII\u652f\u6301\u5e76\u884c\u7ef4\u62a4\u3001\u8ba1\u5212\u5185\u4e0d\u505c\u673a\uff1bTierIV\u4e3a\u5bb9\u9519\u8bbe\u8ba1\u3001\u5141\u8bb8\u8bbe\u5907\u7ea7\u6545\u969c\u4e0d\u5f71\u54cd\u8fd0\u884c\u3002\u6311\u9009<a href=\"https:\/\/cn.hostease.com\/hkvps.html\">\u9999\u6e2f\u4e91\u4e3b\u673a\u670d\u52a1\u5668<\/a>\u65f6\uff0c\u5efa\u8bae\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u67e5\u8be2\u673a\u623f\u662f\u5426\u901a\u8fc7Uptime Institute\u7684TCDD\/TCCF\/TCOS\u8ba4\u8bc1\u5e76\u6838\u5bf9\u7f16\u53f7<\/li>\n\n\n\n<li>\u4e86\u89e3\u4f9b\u914d\u7535\u3001\u5236\u51b7\u3001\u6d88\u9632\u3001\u53cc\u8def\u5e02\u7535\u4e0e\u5e74\u5185\u6f14\u7ec3\u8bb0\u5f55<\/li>\n\n\n\n<li>\u5b9e\u52d8\u6216\u89c6\u9891\u5de1\u68c0\uff1a\u673a\u67dc\u5bc6\u5ea6\u3001\u8d70\u7ebf\u4e0e\u8fd0\u7ef4\u89c4\u8303\u76f4\u63a5\u5f71\u54cd\u6545\u969c\u7387<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7b80\u8868\uff1aTier\u7279\u5f81\u4e0e\u9009\u578b\u63d0\u793a<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879<\/th><th>\u5173\u952e\u7279\u5f81<\/th><th>\u9009\u578b\u5efa\u8bae<\/th><\/tr><\/thead><tbody><tr><td>TierI\/II<\/td><td>\u7ef4\u62a4\u9700\u505c\u673a\uff0c\u5355\u70b9\u6545\u969c\u5f71\u54cd\u5927<\/td><td>\u4ec5\u7528\u4e8e\u6d4b\u8bd5\u6216\u975e\u5173\u952e\u4e1a\u52a1<\/td><\/tr><tr><td>TierIII<\/td><td>\u53ef\u5e76\u884c\u7ef4\u62a4\uff0c\u8ba1\u5212\u5185\u4e0d\u505c\u673a<\/td><td>\u8de8\u5883\u7535\u5546\/\u5185\u5bb9\u7ad9\u70b9\u7684\u8d77\u6b65\u4f18\u9009<\/td><\/tr><tr><td>TierIV<\/td><td>\u5bb9\u9519\u8bbe\u8ba1\uff0c\u6545\u969c\u4e0d\u5f71\u54cd\u8fd0\u884c<\/td><td>\u91d1\u878d\/\u9ad8\u4ef7\u503c\u4e1a\u52a1\u4f18\u5148<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5907\u4efd\u673a\u5236\uff1a\u4e0d\u53ea\u201c\u6709\u5907\u4efd\u201d\uff0c\u8fd8\u8981\u91cf\u5316RPO\/RTO\u5e76\u843d\u5b9e3-2-1<\/h2>\n\n\n\n<p>\u5f88\u591a\u201c\u7a33\u5b9a\u6027\u4e8b\u6545\u201d\u7684\u771f\u6b63\u75db\u70b9\u662f\u201c\u6570\u636e\u56de\u4e0d\u6765\u201d\u3002\u6240\u4ee5\u5fc5\u987b\u628aRPO(\u6062\u590d\u70b9\u76ee\u6807)\u548cRTO(\u6062\u590d\u65f6\u95f4\u76ee\u6807)\u5199\u6e05\u695a\uff0c\u5e76\u63093-2-1\u539f\u5219\u843d\u5730\uff1a\u81f3\u5c113\u4efd\u526f\u672c\u30012\u79cd\u4e0d\u540c\u4ecb\u8d28\u30011\u4efd\u5f02\u5730\/\u79bb\u7ebf\u3002\u6211\u7684\u505a\u6cd5\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u751f\u4ea7\u5e93\u6bcf5\u5206\u949f\u589e\u91cf\u5feb\u7167\uff0c\u5173\u952e\u8868\u5f02\u6b65\u53cc\u5199\uff1b\u76ee\u6807RPO\u22645\u5206\u949f\u3001RTO\u226430\u5206\u949f<\/li>\n\n\n\n<li>\u9999\u6e2f\u672c\u5730+\u5f02\u533a(\u5982\u65b0\u52a0\u5761\/\u4e1c\u4eac)\u5404\u4fdd\u7559\u4e00\u4efd\uff0c\u5173\u952e\u6570\u636e\u4f7f\u7528\u4e0d\u53ef\u53d8\u5feb\u7167\u6216\u79bb\u7ebf\u526f\u672c<\/li>\n\n\n\n<li>\u6bcf\u5b63\u5ea6\u505a\u4e00\u6b21\u5168\u94fe\u8def\u6062\u590d\u6f14\u7ec3\uff0c\u4fdd\u5b58\u6f14\u7ec3\u8bb0\u5f55\u4e0e\u65f6\u957f<\/li>\n<\/ul>\n\n\n\n<p><strong>\u68c0\u67e5\u6e05\u5355<\/strong>\uff1a\u5907\u4efd\u4fdd\u7559\u7b56\u7565(\u7248\u672c\u6570\/\u4fdd\u7559\u5929\u6570)\u3001\u52a0\u5bc6\u65b9\u5f0f\u3001\u8de8\u533a\u57df\u590d\u5236\u5ef6\u8fdf\u3001\u4e00\u6b21\u771f\u5b9e\u6062\u590d\u6f14\u793a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DDoS\u9632\u5fa1\u80fd\u529b\uff1a\u5206\u5c42\u7b56\u7565+\u6e05\u6d17\u80fd\u529b\uff0c\u907f\u514d\u201c\u5e26\u9632\u5fa1\u201d\u53e3\u53f7\u5316<\/h2>\n\n\n\n<p>\u201c\u5e26\u9632\u5fa1\u201d\u4e0d\u7b49\u4e8e\u7a33\u3002\u5408\u683c\u7684\u65b9\u6848\u4f1a\u8986\u76d6L3\/4\u6d41\u91cf\u578b\u3001\u534f\u8bae\u578b\u4e0eL7\u5e94\u7528\u5c42\u653b\u51fb\uff0c\u5e38\u89c1\u7ec4\u5408\u662fAnycast\u5168\u5c40\u8c03\u5ea6+\u591a\u6e05\u6d17\u4e2d\u5fc3+\u81ea\u9002\u5e94WAF\u3002\u6211\u7684\u9a8c\u6536\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u662f\u5426\u5177\u5907\u591a\u5730\u6e05\u6d17\u4e2d\u5fc3\u3001\u81ea\u52a8\u7275\u5f15\u4e0e\u56de\u6e90\u5065\u5eb7\u68c0\u67e5<\/li>\n\n\n\n<li>\u662f\u5426\u80fd\u63d0\u4f9b\u8fd13\u4e2a\u6708\u7684\u653b\u51fb\u62a5\u8868\u6837\u4f8b\u3001\u9608\u503c\u4e0e\u8bef\u6740\u5904\u7f6e\u6d41\u7a0b<\/li>\n\n\n\n<li>\u9632\u5fa1\u540e\u5ef6\u8fdf\u4e0e\u53ef\u7528\u6027\uff1a\u9632\u62a4\u6253\u5f00\u540e\u5bf9\u771f\u5b9e\u7528\u6237\u7684\u65f6\u5ef6\u5f71\u54cd\u8981\u53ef\u91cf\u5316<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9002\u7528\u5efa\u8bae<\/strong>\uff1a\u6e38\u620f\/\u7968\u52a1\/\u91d1\u878d\u7b49\u9ad8\u98ce\u9669\u884c\u4e1a\uff0c\u4f18\u5148\u9009Anycast+L7\u8054\u52a8\u65b9\u6848\uff0c\u63d0\u524d\u9884\u914d\u989d\u800c\u975e\u4e34\u65f6\u5f00\u901a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u5f20\u8868\u770b\u61c2\uff1a\u4e94\u5927\u6307\u6807\u600e\u4e48\u9a8c\u3001\u5408\u683c\u7ebf\u5728\u54ea<\/h2>\n\n\n\n<figure 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