Open vSwitch

Open vSwitch
Initial releaseJuly 29, 2009 (2009-07-29)
Stable release
3.6.1  / 14 November 2025 (14 November 2025)
Written inC
Operating systemLinux, Hyper-V, FreeBSD and NetBSD
TypeVirtual network switch
LicenseApache License 2.0
Websitewww.openvswitch.org
Repository

Open vSwitch (OVS) is an open-source implementation of a distributed virtual multilayer switch. The main purpose of Open vSwitch is to provide a switching stack for hardware virtualization environments, while supporting multiple protocols and standards used in computer networks.

The project's source code is distributed under the terms of Apache License 2.0.