"Infrastructure runs mostly on Linux. Just try finding a BSD based router." You mean, like Juniper routers and switches ?[1] Host-based routers have historica

"Infrastructure runs mostly on Linux. Just try finding a BSD based router." You mean, like Juniper routers and switches ?[1] Host-based routers have historically been nearly completely comprised of BSD. Almost universally. This is because for almost two decades the BPF[2] was far superior to anything linux had to offer. [1] https://en.wikipedia.org/wiki/Junos_OS https://en.wikipedia.org/wiki/Junos_OS [2] https://en.wikipedia.org/wiki/Berkeley_Packet_Filter https://en.wikipedia.org/wiki/Berkeley_Packet_Filter