What are the most significant differences between how a Linux bridge and an Open vSwitch work?


Open vSwitch has a section on that in their FAQ:

Q: Why would I use Open vSwitch instead of the Linux bridge?

A: Open vSwitch is specially designed to make it easier to manage VM network configuration and monitor state spread across many physical hosts in dynamic virtualized environments. Please see
[WHY-OVS.md] for a more detailed description of how Open vSwitch
relates to the Linux Bridge

The entire list of features/differences (WHY-OVS.md) is quite long, you should check it out if you want to know all the details. The short version is that Open vSwitch is targeted at large multi-server virualisation environments, so it is focused on logical abstraction and management; the Linux bridge is fast and reliable, but lacks all fancy control features.

  • I'm really surprised Google (now Alphabet) makes so much money since so many people either don't know it exists or don't know how (or are too lazy) to use it. Imagine how much money it would make if more people did use it? :) – Ron Maupin Mar 4 '16 at 14:57
  • I dont think this is really answering the question. OVS FAQ is not really clear in this regard. For example, it does not detail in which scenarios it is preferable to use Linux bridge, and just states the features that are supported. This is neither answered by doing a Google search. – Jorge Bellon Jun 9 '17 at 12:20

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