Adding to what wmf said, JunOS is based on BSD and JunoOS evolved will be based ...

		iptrans on May 25, 2020 \| parent \| context \| favorite \| on: SONiC – An Open Source Network Operating System Adding to what wmf said, JunOS is based on BSD and JunoOS evolved will be based on Linux. Most network equipment run their control plane using standard Intel CPUs, so running Linux isn't much of a strech.