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Code Issues Releases Wiki Activity

Data transfer cost savings with VPC Endpoints (#706)

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Chris Sng 2019-10-20 06:15:51 +08:00 • committed by Corey Quinn
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@ -1792,7 +1792,7 @@ VPCs, Network Security, and Security Groups
- ❗Be careful with VPC VPN credentials! If lost or compromised, the VPN endpoint must be deleted and recreated. See the instructions for [Replacing Compromised Credentials](http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_VPN.html#CompromisedCredentials).
- ❗Security Groups and Route Tables apply entries separately for IPv4 and IPv6, so one must ensure they add entries for both protocols accordingly.
- 💸Managed NAT gateways are a convenient alternative to
manually managing [NAT instances](https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPCNATInstance.html), but they do come at a cost per gigabyte. Consider [alternatives](http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpc-nat-comparison.html) if you're transferring many terabytes from private subnets to the internet.
manually managing [NAT instances](https://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPCNATInstance.html), but they do come at a cost per gigabyte. Consider [alternatives](http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/vpc-nat-comparison.html) if you're transferring many terabytes from private subnets to the internet. If you transfer terabytes/petabytes of data from EC2 instances in private subnets to S3, avoid the [NAT gateway data processing charge](https://aws.amazon.com/vpc/pricing/) by setting up a Gateway Type VPC Endpoint and route the traffic to/from S3 through the VPC endpoints instead of going through the NAT gateways.
KMS
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