And misses the point (not to be a circuit switched bigot) that there where existing networks based on OSI that where technically superior. But they cost a lo

And misses the point (not to be a circuit switched bigot) that there where existing networks based on OSI that where technically superior. But they cost a lot more and required more technical rigor to implement (yes I am looking at you Sprint/ Microsoft) and some times Good enough for jazz is the way to go.