AWS 同一區的 VPC Peering 流量不收費了

AWS 在同一個 AZ 裡面的流量是不收費的,但如果是跨帳號的話,還是要當作 inter-AZ 流量 (收 USD$0.01/GB 的費用),現在則是宣佈不用了:「Amazon VPC Announces Pricing Change for VPC Peering」。

要注意的是不同帳號的 a 不一定相同 (像是 us-east-1a 在不同帳號對應到的實際 AZ 不同),得透過 AWS 提供的資料確認底層實際的 AZ 是哪個。

回朔到這個月月初生效:

Starting May 1st 2021, all data transfer over a VPC Peering connection that stays within an Availability Zone (AZ) is now free. All data transfer over a VPC Peering connection that crosses Availability Zones will continue to be charged at the standard in-region data transfer rates. You can use the Availability Zone-ID to uniquely and consistently identify an Availability Zone across different AWS accounts.

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