Personally, I use BSD ...
... on non-proprietary kit, where most folks use Cisco.
No muss, no fuss.
Cisco reckons it's unravelled the secret to the popularity of open source networking software projects: licence management in the world of proprietary kit is a pain in the neck. To deal with that, The Borg has decided to try out a revised licensing model on the world, under the banner Cisco ONE. Cisco's picked off a couple of …
There's only one, yet there are three. Last time someone tried to deal with a paradox of this kind they came up with the catchy chant "the Father, the Son and the Holy Spirit". Amusingly this time it's "the Access, the WAN and the Data Centre" which has exactly the same rhythm. No, I don't want to hear any Latin.