On 07/18/17 at 11:28P, KVK Singh wrote: > Hi, > > By going through the Zero Window advertisement concept What I found is that > if sender has transmitted packet 2,3,4,5,6,7 i.e packet from 2-7 total 6 > packets in flight then By chance if sender received a Zero Window > Advertisement (ZWA) for segment 4 then it does not enters in probe > mode/ persistent > state. However if it receive ZWA for 7 i.e last packet in flight then it > enters in Probe mode/ persistent state and it starts probing for window > update.
Can you please site/explain how you got to this conclusion? Did you find FreeBSD or any other implementation doing this? > > Is that the behavior is correct Because as going through the paper and RFC > I find that any segment can be acked with ZWA and sender will enter in > persist mode once it receive the ZWA. I thought this is how its supposed to work. I may be mis-remembering. Cheers, Hiren
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