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by mike_d
2215 days ago
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Having built a few CDNs, I can tell you geographic proximity isn't a good metric for which POP is "best". You might be located in Delhi, but maybe your ISP backhauls all your traffic to their head office in Mumbai for example. It wouldn't make sense to then ship your traffic back to Delhi just to serve it from the geographically closest location when Mumbai is your "network closest." The Delhi POP might also be overloaded, or down for router maintenance, or they can serve your traffic cheaper from Mumbai. |
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