Amazon Route 53 對地區的微調功能

Amazon Route 53 推出新功能,針對地區微調資源的比重:「Amazon Route 53 Traffic Flow Announces Support For Geoproximity Routing With Traffic Biasing」。

範例大致上說明了這個功能的能力,假設你在兩個點都有服務可以提供,你可以利用這個功能微調某個比率到某個點:

For example, suppose you have EC2 instances in the AWS US East (Ohio) region and in the US West (Oregon) region. When a user in Los Angeles browses to your website, geoproximity routing will route the DNS query to the EC2 instances in the US West (Oregon) region because it's closer geographically. If you want a larger portion of users in the middle of the United States to be routed to one region, you can specify a positive bias for that region, a negative bias for the other region, or both.

有點 CDN 的想法在裡面...

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