#sr Protocol

harsh yadav asked Dec 18, 2018

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in Selective Repeat protocol, for every packet lost do we have a negative acknowledgment or when we have only corrupt bits then only receiver sends a negative acknowledgment?

harsh yadav asked Dec 18, 2018

harsh yadav

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Deepanshu

commented Dec 19, 2018

only for latter case . for first we just reject

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harsh yadav asked Dec 18, 2018

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#sr protocol
in sr protocol, we get negative acknowledgment whenever there is packet lost or when a packet got corrupted at receiver side?

in sr protocol, we get negative acknowledgment whenever there is packet lost or when a packet got corrupted at receiver side?

harsh yadav

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harsh yadav asked Dec 18, 2018

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PranayKumar asked Jun 27, 2023

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In Go-Back-N protocol (with an ACK/NAK response time within three frame transmissions) there are constantly new frames to be transmitted. The frames are numbered with 3 bits and all numbers 0, 1, . . , 7 are used. The length of the transmission window is 2 (and the length of the receive window is 1 due to Go-Back-N). The first frame has the number 0. Errors occur in the 3rd and 9th transmission. Give the transmission window and receive window for the first 18 frames, and the numbering of the frames.

PranayKumar

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PranayKumar asked Jun 27, 2023

Computer Networks
computer-networks
go-back-n

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Jeetmoni saikia asked Dec 7, 2022

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Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 suddenly become ready at once, how many bit slots are needed to resolve the contention?

Jeetmoni saikia

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Jeetmoni saikia asked Dec 7, 2022

Computer Networks
computer-networks
network-protocols

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fred20978 asked Nov 8, 2022

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Sliding window, Go-Back-N protocol, All ack lost case
I understood that receiver will correctly discard the frames in GBN all ack lost case. But its given that its positive ack and hence receiver wont send ack for discarded frames.Wont the sender be sending the same frames again and again ... timeout as receiver will never send ack again? So how will the sender slide the window to the next frames?

I understood that receiver will correctly discard the frames in GBN all ack lost case. But its given that its positive ack and hence receiver wont send ack for discarded ...

fred20978

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fred20978 asked Nov 8, 2022

Computer Networks
computer-networks
go-back-n
sliding-window

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