There's a new "Elastic Fabric Adapter" in preview for 100Gbps networking instances: <a href="https://aws.amazon.com/blogs/aws/aws-previews-and-pre-announcements-at-reinvent-2018-monday-night-live/" rel="nofollow">https://aws.amazon.com/blogs/aws/aws-previews-and-pre-announ...</a><p>That will allow applications to use a range of supercomputing techniques like <a href="https://ofiwg.github.io/libfabric/" rel="nofollow">https://ofiwg.github.io/libfabric/</a>