[e2e] tcp connection timeout

Vadim Antonov avg at kotovnik.com
Fri Mar 3 12:02:40 PST 2006

On Fri, 3 Mar 2006, Joe Touch wrote:

> Hash: SHA1
> Vadim Antonov wrote:
> > On Fri, 3 Mar 2006, Joe Touch wrote:
> > 
> >> Please explain the 20MB case.
> >>
> >> AFAICT, that only happens when the receiver window is 20MB, AND:
> > 
> > TCP state is not the only state kept around when a connection is open. 
> > 
> > I thought that it was obvious that I meant the user-space state.
> > 
> > --vadim
> Wouldn't that be the user-space (application-layer)'s decision then?

It does not matter whose decision it is as long as you have a way of 
purging it for dead connections.  It was merely a counter-argument to the 
assertion that dead connections are "cheap". There are numerous cases when
they are not.

I think it is always a good idea to look at the whole picture, because 
concentrating on one layer is bound to mislead.


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