Re: TCP time_wait and port exhaustion for servers

[David Conrad <drc () virtualized org>]

On Dec 5, 2012, at 2:06 PM, Fred Baker (fred) <fred () cisco com> wrote:
> If you want to get into software rewriting, the simplest thing I might come up with would be to put TCBs in some form 
> of LRU list and, at a point where you need a port back, close the TCB that least recently did anything. My 
> understanding is that this was implemented 15 years ago to manage SYN attacks, and could be built on to manage this 
> form of "attack".

I can say for certain that it was implemented (at least) twice that long ago (circa 1983) in a TCP implementation for a 
particular memory constrained environment ("640K should be good enough for anybody") :).

Regards,
-drc