Open Source Linux

Apr 24, 2023 · Operations

How OpenVSwitch Optimizes Packet Forwarding with Megaflow and Microflow Caches

This article explains how OpenVSwitch leverages virtual switches, OpenFlow, and sophisticated caching strategies—including microflow, megaflow, Tuple Space Search, Tuple Priority Sorting, Staged Lookup, and Prefix Tracking—to reduce kernel‑user space communication and improve data‑center network performance.