[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: question about TCPAgent reset()



On Wed, 26 Jan 2000, Guo, Liang wrote:

> > > Surely the sequence number for that ack packet should (in most cases)
> > > be beyond the right window of the new $stcp session, so $stcp should
> >                      ^^ edge of the 
> > 
> > there. that makes more sense.

[suggested ack-before-right-edge-of-window check]

> But, what if this new TCP session is only going to send 1 packet? (And
> the old session happens to end up with retransmitting a duplicate
> ACK for packet number 0). I think this problem will still exists or
> am I making a mistake here?

Hence 'most cases'.

The worrying thing to me is that I was assuming that the TCPs were
tracking per-flow state anyway, and that unique flow-ids were assigned
as a matter of course...

L.


<[email protected]>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>