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244 L11
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- 1Explain the role of the frame timer in a sliding window flow control protocolIf no ACK recieved =
The timer expires and the sender resends all outstanding frames in the window. - 2Explain the advantage of using negative acknowledge (NAK) in a sliding window flow control protocol.Allows for faster processing, without relying on timer expire
- 3Describe the differences between the two implementations of sliding window protocols: go-back-n and selective repeat.Go-back-n: requires frame to be received in the same order they are sent.
Selective repeat: implements a buffer for the receiver allowing them to receive frames out-of-order. - 4Explain the basic idea of sliding window protocols used for flow control and error control at the data link layer.Used for controlling the flow of packets between computers or network hosts.
ACK & NAK
Fine or Resend - 5What are the two main implementations of the sliding window protocol? Describe the differences between these two implementations.Go-Back-n Protocol -frames must be received in the order they were sent or discard.
Selective repeat protocol - out of order frames are kept and sorted.
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- Fichas sobre 244 L11, creado por samuelfoxnz el 26/10/2015.
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