Thomas Kunz
Systems and Computer Engineering
382
Link Level Retransmissions
Issues
nRetransmissions can cause congestion losses
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nAttempting to retransmit a packet at the front of the queue, effectively reduces the available bandwidth, potentially making the queue at base station longer
nIf the queue gets full, packets may be lost, indicating congestion to the sender
nIs this desirable or not ?
Base station
Receiver 1
Receiver 2