Is vyatta a VyOS?

VyOS is a fully open-source, enterprise-grade router platform. VyOS started as a community fork of a discontinued Vyatta Core project in 2013, with a promise to live up to free and open-source software values. We kept the promise and turned VyOS into a successful, self-funded project.

Is VyOS open source?

Built by engineers for engineers, VyOS is an open source software company that democratizes how we access networks so that the many, not the few, benefit from building solutions without limitations and prohibitive fees. We do this as VyOS through our open source software and virtual platforms.

Who bought Ciena?

Tellabs
Tellabs announced the purchase of Ciena for $7.1 billion in June.