[e2e] Internet Draft and survey on P2P in the presence of NAT

[Melinda Shore]

> Yeah, it might be possible to build all million lines of a full UPNP 
> implementation after reading all the specs.   But that's like saying I can 
> run a 3rd party windows app on Linux because I can emulate a Pentium and 
> run windows on the emulator (oops, can't emulate the proprietary parts of a 
> Pentium that Intel shares with Microsoft, if there are any, as I suspect 
> there are) .

UPnP is just one implementation of midcom, albeit more
marketable.  Midcom, as being done in the IETF, is
unencumbered.

That said, its architectural problems are far too serious to
be useful in the general case.

Melinda