| > The constraint is that there is only one tcp connetion.
| 
| If you go up the thread you will see I advocated ignoring the single
| socket constraint and simply doing the right engineering thing -
| making one TCP socket for each of the two types of streams
| (interactive and bulk-file "playback").

Oh, well sure.
But that was not the question and I don't think it is at all feasable.

I also suspect that the routers in question are not all going to be
TOS capable.

--jhawk