Comment by sethev

A c5.9xlarge instance has 12 gigabits/s of bandwidth available [1]. A fair comparison to TCP would need to look at end to end message delivery, including framing / parsing of the messages.

On the face of it, the ability to use the majority of the bandwidth of the instance with small messages is impressive.

[1] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-inst...