The Floodgates Are Open – Increased Network Bandwidth for EC2 Instances

I hope that you have configured your AMIs and your current-generation EC2 instances to use the Elastic Network Adapter (ENA) that I told you about back in mid-2016. The ENA gives you high throughput and low latency, while minimizing the load on the host processor. It is designed to work well in the presence of multiple vCPUs, with intelligent packet routing backed up by multiple transmit and receive queues.
Today we are opening up the floodgates and giving you access to more bandwidth in all AWS Regions. Here are the specifics (in each case, the actual bandwidth is dependent on the instance type and size):
EC2 to S3 – Traffic to and from Amazon Simple Storage Service (S3) can now take advantage of up to 25 Gbps of bandwidth. Previously, traffic of this type had access to 5 Gbps of bandwidth. This will be of benefit to applications that access


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