How virtual machines communicate in MWS Cloud Platform: a breakdown of the Data Plane
Summary
This article explains how MWS Cloud Platform handles virtual machine traffic in its data plane. It breaks down the underlay and overlay model, then shows how VPP, DPDK, SRv6, and vhost-user work together to route traffic efficiently. It also describes how compute and border nodes split responsibilities for VM networking, NAT, and load balancing. The piece emphasizes NUMA locality and performance tuning, and it includes benchmark results showing the impact of these design choices.
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