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AWS Enhanced Networking

What is AWS Enhanced Networking?

AWS Enhanced Networking is a feature that allows you to get significantly higher network performance on your EC2 instances. It is available for instances that are launched in a Virtual Private Cloud (VPC). Enhanced Networking uses single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types.

  • Generally used for High Performance Computing (HPC) workloads
  • Uses single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types
  • Might have to install driver if other than Amazon Linux HVM AMI
  • Intel 82599 VF Interface: 10 Gbps
  • Elastic Network Adapter (ENA): 25 Gbps

AWS Placement Groups

AWS Placement Groups are a feature that enables you to launch instances in a way that allows them to work together. This can be useful for applications that require low network latency, high network throughput, or both. There are three types of placement groups:

  • Cluster Placement Group: Packs instances close together inside a single Availability Zone. This is recommended for applications that can benefit from low network latency, high network throughput, or both.
  • Spread Placement Group: Spreads instances across underlying hardware (dedicated hosts). This is recommended for applications that have a small number of critical instances that should be kept separate from each other.
  • Partition Placement Group: Spreads instances across many different partitions, which rely on different sets of racks, and can be used to reduce the likelihood of correlated failures.