Steve Kann wrote:
but if we get 1,2,4,5,3 then it is 4
Here's what happens for each frame:
1: OK, acked
2: OK, acked
4: this is out-of-order, ignored (vnak could be sent, but it doesn't
really matter)
5: same as 4.
3: This is OK, and gets acked.
...
If that is so,then how do frames 4 & 5 ever get acked ?
They would be retransmitted, because they are not acked the first time
they're sent, and eventually, the retransmits would be acked.
Ok, got it.
This would imply that _all_ frames received subsequently would be ignored,
until frame #4 re-arrives, and resets the sequence ?
I have noticed that iaxclint goes into a "retry frenzy" if hammered with too
many full frames (text) too quickly, over a lossy (wireless) link. Ethereal
reports blocks of packets being retried, despite being recieved ok.
Adrian
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