360 Zhihui Cloud Developer

Mar 18, 2026 · Operations

Implementing Hierarchical QoS IP‑Port Granular Offload Rate Limiting with OVS and DPDK

This article explains how to design and implement hardware‑offloaded, IP‑ and port‑granular traffic shaping using Open vSwitch, OpenFlow meters, Mellanox HQoS, and DPDK, covering software limits, meter hierarchy, flow‑meter association, deletion workflows, RCU handling, and same‑host traffic considerations.