Re: shim - transport/app communication

[Leif Johansson <leifj@it.su.se>]

> Shim-aware transports/applications could also emit periodic keepalives 
> when they're otherwise idle so the shim knows it shouldn't remove state 
> yet. (In fact many applications and/or TCP already do so.)

That is typically done as a hack to keep NAT-boxen from ditching you
right? Some applications do that, others simply break.

I believe that keeping applications shim-unaware is a worthy goal.

	Cheers Leif