HW4, File transfer over TCP

HW4, File transfer over TCP

by Evgueni Vladimir Rousselot -
Number of replies: 2

Hello,

In the correction I don't understand why we only send seq 8,9 instead of seq 8,9,10 as our cwnd is five.

Kind regards,

In reply to Evgueni Vladimir Rousselot

Re: HW4, File transfer over TCP

by Pierre-Hadrien Levieil -
Because the sender needs to receives acks of the previously sent segments to increase its window size
In reply to Pierre-Hadrien Levieil

Re: HW4, File transfer over TCP

by Zeinab Shmeis -
Yes, let me also add that SEQ 5, 6, and 7 were sent but not ACKed so at this stage the window is 5 and we have 5 sent segments that are not ACKed yet.