Comparison of freeware open source switch software?

Tue Jan 9 16:12:16 UTC 2018

> 
> If you're only interested in stuff that goes on iron, openvswitch is out - it's
> pure software meant to run on hypervisors
> 

Not necessarily true anymore.  Look for SwitchDev, which is incorporated into the Linux kernel , is undergoing continuous improvement, and allows the kernel to offload forwarding rules to the hardware.

This allows open source software like Open vSwitch and Free Range Routing to work natively/directly with hardware.

http://www.mellanox.com/page/press_release_item?id=1983

https://www.kernel.org/doc/Documentation/networking/switchdev.txt

https://blog.raymond.burkholder.net/
Raymond Burkholder.

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