![]() ![]() ![]() ![]() (It was the classic chicken and egg problem – there was no support model and no large customer base, so the software could not proliferate.)Īrrcus, which has created its own closed source ArcOS routing and switching software – analogous to the Windows of NOSes – has yet to become ubiquitous, and the company is now focusing on the edge use case, not datacenter switching and routing. But none of these NOSes got much traction and therefore a commercial model was not viable. Hewlett Packard Enterprise, Dell, and Big Switch Networks all open sourced their NOSes many years ago as Cumulus Networks (now part of Nvidia) joined the Open Compute Project and when it looked like the Red Hat Linux server story might repeat itself on the switch. (Disaggregated means the NOS is not created and sold by the maker of the switch or router it runs on, which used to be the case with servers and is still largely the case with switches and routers excepting the hyperscalers and cloud builders, who roll their own or use SONiC.) SONiC, which was created by Microsoft in 2016 and moved over to the Linux Foundation in 2020, is not the only disaggregated NOS out there. ![]()
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