Gbn Protocol

Go-Back-N (GBN)
Go-Back-N (GBN)

In a Go-Back-N (GBN) protocol, the sender is allowed to transmit several packets (when available) without waiting for an acknowledgment, but is constrained to have no more than some maximum allowable number, N, of unacknowledged packets in the pipeline. We describe the

Tags packets, gbn protocol, variables, semaphore, checksums
Selective Repeat (SR)
Selective Repeat (SR)

The GBN protocol allows the sender to potentially "fill the pipeline" in Pipelined Reliable Data Transfer Protocols Figure 2 with packets, therefore avoiding the channel utilization problems we noted with stop-and-wait protocols. There are, on the other hand, scenarios in which

Tags packets, gbn protocol, pipeline, retransmission, sr receiver, sequence numbers
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