UCloud Tech

Apr 2, 2020 · Operations

How Flowtable Hardware Offload Boosted Linux Netfilter Performance by Up to 8×

This article details the development, testing, and patch contributions for Netfilter and Mellanox flowtable hardware offload, showing how offloading conntrack and NAT functions dramatically improves bandwidth and packet‑per‑second metrics while exposing remaining challenges such as neighbor handling and port mangling.