Ask HN: Outstanding packets calculation in Go-Back-N ARQ when ACK lost?
https://imgur.com/a/ENjOgBG
Assume window size=3.
Assume ACK#3(i.e. for the packet#2) is lost.
Now how many outstanding packets can transmitter send?
I mean, can it send pkt#3,pkt#4,pkt#5? What determines it?
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