{"id":67469,"date":"2025-11-14T08:00:09","date_gmt":"2025-11-14T00:00:09","guid":{"rendered":"https:\/\/www.dataplugs.com\/?p=67469"},"modified":"2025-11-13T17:10:25","modified_gmt":"2025-11-13T09:10:25","slug":"multi-region-load-balancing-using-anycast-geoip-routing","status":"publish","type":"post","link":"https:\/\/www.dataplugs.com\/tc\/multi-region-load-balancing-using-anycast-geoip-routing\/","title":{"rendered":"\u591a\u5340\u57df\u8ca0\u8f09\u5e73\u8861\uff1a\u4f7f\u7528 Anycast\u3001GeoIP \u8def\u7531"},"content":{"rendered":"<p>\u591a\u5340\u57df\u8ca0\u8f09\u5e73\u8861\u4e0d\u50c5\u50c5\u662f\u5168\u7403\u670d\u52d9\u4ea4\u4ed8\u7684\u52fe\u9078\u9805\u76ee\uff0c\u800c\u662f\u4e00\u5957\u7d50\u5408\u7db2\u7d61\u67b6\u69cb\u3001\u6d41\u91cf\u7ba1\u7406\u8207\u5373\u6642\u53ef\u89c0\u5bdf\u6027\u7684\u591a\u5c64\u6b21\u6280\u8853\u5be6\u8e10\u3002\u5c0d\u65bc\u9700\u8981\u670d\u52d9\u5168\u7403\u7528\u6236\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5be6\u73fe\u5b8c\u5584\u7684 Anycast \u8ca0\u8f09\u5e73\u8861\u3001GeoIP \u8def\u7531\u3001Geo-DNS \u53ca\u5168\u7403\u4f3a\u670d\u5668\u8ca0\u8f09\u5e73\u8861\uff08GSLB\uff09\uff0c\u662f\u78ba\u4fdd\u4f4e\u5ef6\u9072\u3001\u9ad8\u53ef\u7528\u6027\u8207\u7121\u7e2b\u6545\u969c\u5207\u63db\u7684\u95dc\u9375\u3002\u4ee5\u4e0b\u5c07\u6df1\u5165\u8aaa\u660e\u5982\u4f55\u7cfb\u7d71\u6027\u5efa\u69cb\u9ad8\u968e\u591a\u5340\u8ca0\u8f09\u5e73\u8861\uff0c\u4e26\u91dd\u5c0d\u6bcf\u500b\u6b65\u9a5f\u7d66\u51fa\u5177\u9ad4\u64cd\u4f5c\u6307\u5f15\u3002<\/p>\n<h2><strong>\u57fa\u790e\u5efa\u8a2d\u898f\u5283\uff1a\u5340\u57df\u7bc0\u9ede\u8207\u7db2\u7d61\u8a2d\u8a08<\/strong><\/h2>\n<p>\u5728\u5c0e\u5165\u4efb\u4f55\u9032\u968e\u8def\u7531\u7b56\u7565\u524d\uff0c\u5fc5\u9808\u5148\u898f\u5283\u4e00\u5957\u5177\u5099\u9ad8\u5ea6\u97cc\u6027\u53ca\u5206\u4f48\u5f0f\u7684\u591a\u5340 Point-of-Presence\uff08PoP\uff09\u7db2\u7d61\u3002<\/p>\n<ul>\n<li><strong>\u5340\u57df\u90e8\u7f72\u7b56\u7565\uff1a<\/strong> \u900f\u904e\u6d41\u91cf\u5206\u6790\u3001\u7528\u6236\u5206\u4f48\u8207\u5ef6\u9072\u71b1\u529b\u5716\uff0c\u6c7a\u5b9a PoP \u7684\u8a2d\u7f6e\u5730\u9ede\u3002\u5e38\u898b\u9078\u9805\u5982\u4e9e\u6d32\u7684\u9999\u6e2f\u6216\u6771\u4eac\u3001\u5317\u7f8e\u7684\u6d1b\u6749\u78ef\uff0c\u4ee5\u53ca\u6b50\u6d32\u4e3b\u8981\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u4f01\u696d\u7d1a\u786c\u4ef6\u914d\u5099\uff1a<\/strong> \u6bcf\u500b PoP \u9700\u914d\u5099\u53ef\u627f\u8f09\u9ad8\u4f75\u767c\u7684\u4f3a\u670d\u5668\uff0c\u5efa\u8b70\u63a1\u7528 AMD EPYC \u6216 Intel Xeon \u8655\u7406\u5668\u3001ECC \u8a18\u61b6\u9ad4\u53ca NVMe \u5132\u5b58\uff0c\u4ee5\u78ba\u4fdd\u6548\u80fd\u8207\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>\u5197\u9918\u7db2\u7d61\u9023\u63a5\uff1a<\/strong> \u5efa\u8b70\u9078\u64c7\u5982 Dataplugs \u63d0\u4f9b\u591a Tbps BGP \u6700\u4f73\u5316\u9aa8\u5e79\u8207\u591a\u5bb6 Tier-1 ISP \u4e0a\u884c\uff0c\u6bcf\u500b PoP \u90fd\u8981\u6709\u7368\u7acb\u8def\u5f91\uff0c\u907f\u514d\u55ae\u9ede\u6545\u969c\u3002<\/li>\n<li><strong>\u8cc7\u5b89\u8207 DDoS \u9632\u79a6\uff1a<\/strong> \u5728\u5404 PoP \u90e8\u7f72\u5340\u57df\u6027 DDoS \u9632\u8b77\u3001\u786c\u9ad4\u9632\u706b\u7246\u53ca WAF\uff0c\u78ba\u4fdd\u4f9b\u61c9\u5546\u80fd\u63d0\u4f9b 24\/7 \u5373\u6642\u61c9\u8b8a\u8207\u81ea\u52d5\u5316\u9632\u79a6\u3002<\/li>\n<\/ul>\n<h2><strong>\u6b65\u9a5f\u4e00\uff1aAnycast \u8ca0\u8f09\u5e73\u8861\u67b6\u69cb\u8a2d\u8a08<\/strong><\/h2>\n<p>Anycast \u8b93\u591a\u500b PoP \u5171\u7528\u540c\u4e00\u500b IP \u4f4d\u5740\u3002\u90e8\u7f72\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong>\u7533\u8acb\u53ef\u8def\u7531\u7684 IP \u524d\u7db4\uff1a<\/strong> \u5411\u4f9b\u61c9\u5546\u6216\u5340\u57df\u8a3b\u518a\u6a5f\u69cb\u7533\u8acb \/24 IPv4 \u6216 \/48 IPv6 \u524d\u7db4\uff0c\u9019\u662f ISP \u5168\u7403\u8def\u7531\u7684\u57fa\u672c\u55ae\u4f4d\u3002<\/li>\n<li><strong>BGP \u516c\u544a\u8a2d\u5b9a\uff1a<\/strong> \u5728\u6bcf\u500b PoP \u5efa\u7acb BGP \u9023\u7dda\uff0c\u5ee3\u64ad\u540c\u6a23\u7684 IP \u524d\u7db4\u3002\u53ef\u900f\u904e\u8abf\u6574 BGP \u5c6c\u6027\uff08\u5982 local preference\u3001AS path prepending\uff09\u5fae\u8abf\u6d41\u91cf\u5206\u4f48\u3002<\/li>\n<li><strong>\u908a\u7de3\u670d\u52d9\u540c\u6b65\uff1a<\/strong> \u6240\u6709 PoP \u5fc5\u9808\u90e8\u7f72\u4e00\u81f4\u7684 DNS\u3001CDN\u3001API Gateway \u7b49\u670d\u52d9\uff0c\u4e26\u78ba\u4fdd\u8cc7\u6599\u8207\u8a2d\u5b9a\u5373\u6642\u540c\u6b65\u3002<\/li>\n<li><strong>\u6355\u6349\u5340\u57df\u76e3\u63a7\uff1a<\/strong> \u5229\u7528 traceroute\u3001RIPE Atlas \u6216\u5546\u7528\u76e3\u63a7\u5de5\u5177\uff0c\u6301\u7e8c\u89c0\u5bdf\u7528\u6236\u5206\u6d41\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u5be6\u969b\u8868\u73fe\u8abf\u6574 BGP \u653f\u7b56\u3002<\/li>\n<\/ol>\n<h2><strong>\u6b65\u9a5f\u4e8c\uff1aGeoIP \u8def\u7531\u8207 Geo-DNS \u90e8\u7f72<\/strong><\/h2>\n<p>Anycast \u4f9d\u7db2\u7d61\u62d3\u64b2\u5206\u6d41\uff0c\u5730\u7406\u8def\u7531\u5247\u6839\u64da\u7528\u6236\u5be6\u969b\u4f4d\u7f6e\u81ea\u52d5\u5c0e\u5411\uff1a<\/p>\n<ol>\n<li><strong>\u9078\u64c7\u5177 GeoIP \u529f\u80fd\u7684 DNS \u4f9b\u61c9\u5546\uff1a<\/strong> \u5982 NS1\u3001AWS Route 53 \u6216 Cloudflare \u90fd\u652f\u63f4\u5730\u7406\u6d41\u91cf\u7b56\u7565\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u5730\u7406 DNS \u898f\u5247\uff1a<\/strong> \u5728 DNS \u5f8c\u53f0\u8a2d\u5b9a\u4f9d\u570b\u5bb6\u3001\u6d32\u5225\u6216 ASN \u5206\u914d\u5c0d\u61c9\u7684 PoP IP\uff0c\u4f8b\u5982\u4e9e\u6d32\u5c0e\u5411\u6771\u4eac\uff0c\u6b50\u6d32\u5c0e\u5411\u6cd5\u862d\u514b\u798f\u3002<\/li>\n<li><strong>\u555f\u7528 EDNS Client Subnet\uff08ECS\uff09\uff1a<\/strong> \u958b\u555f ECS \u53ef\u8b93\u6b0a\u5a01 DNS \u63a5\u6536\u66f4\u591a\u7528\u6236\u4f86\u6e90\u8cc7\u8a0a\uff0c\u907f\u514d\u516c\u5171 DNS \u89e3\u6790\u5668\u5c0e\u81f4\u8aa4\u5c0e\u6d41\u91cf\u3002<\/li>\n<li><strong>\u8a2d\u5b9a\u654f\u6377 TTL\uff1a<\/strong> \u5efa\u8b70 A\/AAAA \u8a18\u9304 TTL \u8a2d\u70ba 30 \u79d2\u81f3 5 \u5206\u9418\uff0c\u5e73\u8861\u5207\u63db\u901f\u5ea6\u8207\u67e5\u8a62\u8ca0\u8f09\u3002<\/li>\n<li><strong>\u81ea\u52d5\u66f4\u65b0\u5730\u7406\u8cc7\u6599\u5eab\uff1a<\/strong> \u81ea\u884c\u67b6\u8a2d\u6642\u8981\u6392\u7a0b\u66f4\u65b0 GeoIP Database\uff0c\u82e5\u7528\u8a17\u7ba1 DNS \u5247\u81ea\u52d5\u7dad\u8b77\u3002<\/li>\n<\/ol>\n<h2><strong>\u6b65\u9a5f\u4e09\uff1aGSLB \u5168\u7403\u4f3a\u670d\u5668\u8ca0\u8f09\u5e73\u8861\u6574\u5408<\/strong><\/h2>\n<p>GSLB \u53ef\u6839\u64da\u6bcf\u500b PoP \u7684\u5065\u5eb7\u3001\u5ef6\u9072\u8207\u8ca0\u8f09\u5373\u6642\u52d5\u614b\u5206\u6d41\uff1a<\/p>\n<ol>\n<li><strong>\u5efa\u7f6e\u5065\u5eb7\u76e3\u63a7\uff1a<\/strong> \u5c0d\u6240\u6709 PoP \u914d\u7f6e HTTP\u3001TCP \u6216\u81ea\u8a02\u5065\u5eb7\u6aa2\u67e5\uff0c\u983b\u7387\u5efa\u8b70\u6bcf 5~10 \u79d2\u4e00\u6b21\uff0c\u4e26\u96c6\u4e2d\u76e3\u63a7\u3002<\/li>\n<li><strong>\u6536\u96c6\u8ca0\u8f09\u53ca\u5ef6\u9072\u6307\u6a19\uff1a<\/strong> \u53ef\u7528 GSLB \u5167\u5efa\u6216\u7b2c\u4e09\u65b9\u4ee3\u7406\u7a0b\u5f0f\uff0c\u91cf\u6e2c\u4f3a\u670d\u5668\u8cc7\u6e90\u8207\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u81ea\u52d5\u6545\u969c\u5207\u63db\u898f\u5247\uff1a<\/strong> \u7576\u67d0 PoP \u7570\u5e38\u6642\uff0c\u81ea\u52d5\u79fb\u9664\u4e26\u5c07\u6d41\u91cf\u5207\u5f80\u5065\u5eb7\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u6703\u8a71\u6301\u7e8c\u6027\u914d\u7f6e\uff1a<\/strong> \u5c0d\u72c0\u614b\u6027\u5354\u5b9a\u61c9\u8a2d\u7f6e\u6703\u8a71\u9ecf\u8457\uff08\u5982 IP Hash \u6216 Cookie\uff09\uff0c\u907f\u514d\u7528\u6236\u9023\u7dda\u4e2d\u65b7\u3002<\/li>\n<li><strong>\u591a\u96f2\u8207\u6df7\u5408\u96f2\u6574\u5408\uff1a<\/strong> \u7121\u8ad6\u5f8c\u7aef\u662f\u591a\u96f2\u6216\u81ea\u5efa\u74b0\u5883\uff0cGSLB \u90fd\u80fd\u7d71\u4e00\u76e3\u63a7\u8207\u8abf\u5ea6\u3002<\/li>\n<\/ol>\n<h2><strong>\u6b65\u9a5f\u56db\uff1a\u5b89\u5168\u3001\u5408\u898f\u8207\u53ef\u89c0\u5bdf\u6027<\/strong><\/h2>\n<p>\u5168\u7403\u5206\u5e03\u67b6\u69cb\u7684\u9632\u79a6\u529b\u53d6\u6c7a\u65bc\u6bcf\u4e00\u500b\u74b0\u7bc0\uff1a<\/p>\n<ul>\n<li><strong>DDoS \u9632\u8b77\uff1a<\/strong> \u6bcf\u500b PoP \u90fd\u9700\u555f\u7528\u6d41\u91cf\u6e05\u6d17\u6216\u901f\u7387\u9650\u5236\uff0c\u4e26\u9078\u7528\u4f9b\u61c9\u5546\u5167\u5efa\u7684\u9632\u79a6\u65b9\u6848\u3002<\/li>\n<li><strong>WAF \u53ca\u9632\u706b\u7246\uff1a<\/strong> \u6309\u5730\u5340\u8abf\u6574 WAF \u898f\u5247\uff0c\u4e26\u81ea\u52d5\u5316\u5168\u5340\u653f\u7b56\u90e8\u7f72\u3002<\/li>\n<li><strong>\u5408\u898f\u63a7\u7ba1\uff1a<\/strong> \u6709\u8cc7\u6599\u4e3b\u6b0a\u9700\u6c42\u6642\uff0c\u900f\u904e Geo-DNS \u9650\u5236\u7528\u6236\u6d41\u5411\u5408\u898f\u5340\u57df\uff0c\u78ba\u4fdd\u8cc7\u6599\u5132\u5b58\u8207\u8655\u7406\u5730\u9ede\u7b26\u5408\u6cd5\u898f\u3002<\/li>\n<li><strong>\u5373\u6642\u76e3\u63a7\uff1a<\/strong> \u53ef\u7528 Prometheus\u3001Grafana \u6216 Datadog \u6536\u96c6\u5ef6\u9072\u3001\u53ef\u7528\u7387\u3001\u932f\u8aa4\u7387\u53ca\u5340\u57df\u6d41\u91cf\uff0c\u4e26\u8a2d\u7f6e\u7570\u5e38\u544a\u8b66\u3002<\/li>\n<\/ul>\n<h2><strong>\u6b65\u9a5f\u4e94\uff1a\u81ea\u52d5\u5316\u3001\u6e2c\u8a66\u8207\u6301\u7e8c\u512a\u5316<\/strong><\/h2>\n<ul>\n<li><strong>\u81ea\u52d5\u5316\u57fa\u5efa\u90e8\u7f72\uff1a<\/strong> \u5229\u7528 Terraform\u3001Ansible \u7b49 IaC \u5de5\u5177\u7ba1\u7406 PoP \u5efa\u7f6e\u53ca\u8b8a\u66f4\u3002<\/li>\n<li><strong>\u5408\u6210\u7528\u6236\u6e2c\u8a66\uff1a<\/strong> 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