Integrating Kube-OVN with OVS‑DPDK for KubeVirt VM DPDK Network Interfaces

This guide explains how to combine Kube-OVN with OVS‑DPDK to provide DPDK‑type network interfaces for KubeVirt virtual machines, covering prerequisites, NIC driver configuration, node labeling, OVS‑DPDK configuration, Kube‑OVN installation with DPDK support, and VM deployment steps.

Kube-OVNKubeVirtKubernetes

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Integrating Kube-OVN with OVS‑DPDK for KubeVirt VM DPDK Network Interfaces

Didi Tech

Jan 7, 2019 · Cloud Native

Hot Upgrade of OVS‑DPDK in Didi Cloud: Achieving Millisecond‑Level Downtime

By integrating OVS‑DPDK with VF‑based flow separation, stateless forwarding, and dual redundant processes, Didi Cloud’s engineering team achieved millisecond‑level hot upgrades—approximately 80 ms per VM—while maintaining high‑performance packet forwarding, scalability across hundreds of VMs, and rapid fault recovery.

DPDKNetwork VirtualizationOVS-DPDK

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Hot Upgrade of OVS‑DPDK in Didi Cloud: Achieving Millisecond‑Level Downtime