[ih] principles of the internet

[John Levine]

>For example, you could, today, build a network that was POTS user interface,
>but independently routed packets inside. (Nobody would bother to do such a
>crazy thing, I agree, but it's technically possible! :-) But I wouldn't
>really call the result a 'datagram network'....

I was under the impression that's how most current phone switches and
transmission networks work.  All IP on the inside, backwards compatible
interfaces at the edges.

R's,
John