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Differences between go back n arq and selective repeat arq protocol?
1.Selective repeat ARQ is efficient for noisy links and Go Back N ARQ is inefficient for noisy link. 2.Selective Repeat ARQ is complicated whether Go Back N ARQ is less complicated than Selective repeat ARQ. 3.in Sender and receiver Window Size is 2^(m-1) and in Go Back N ARQ Sender Window Size is 2^(m)-1 and receiver window size is 1.
When Using 5-bit sequence numbers what is the maximum size of the send and receive windows for each of the following protocols stop and wait arq go-back n arq selective repeat arq?
Protocols Send window size Receive window sizeStop‐and‐Wait ARQ 1 1Go‐Back‐N ARQ 32 - 1 = 31 1Selective‐Repeat ARQ 32/2 = 16 32/2 = 16
What does the number on a NAK frame mean for Selective Repeat ARQ?
Receiver asking for missing frame number to be resend
Discuss about the difference between go-back-n ARQ and Selective Repeat ARQ?
Go-Back-N ARQRetransmission begins with the last unacknowledged frame even if subsequent frames have arrived correctly .duplicate frames are discarded.Go-back-n ARQ -- Receiver must get Frames in correct orderSelective Repeat ARQOnly the unacknowledged frame is retransmitted.It may be (slightly) more efficient than Go-back-n ARQ, but also much more complicated.Selective repeat ARQ -- correctly-received out-of-order Frames are stored at Receiver until they can be re-assembled into correct orderHamida Almangush
Is arq ok in scrabble?
No. Arq is not a legal Scrabble word.
Why it is not necessary to have rej0 and rej1 for stop-and-wait arq?
The purpose of REJ (reject) is to indicate a negative acknowledgement for a frame. This is not needed for Stop-and-Wait ARQ because of the way it is designed... If there is a damaged frame, a timer expires after a period of time and then the frame is resent. If there is a damaged acknowledgment, then the frame is resent after a timeout as well. So to summarize, REJ0 and REJ1 are not required because stop-and-wait ARQ uses timers which eliminates the need for REJ0 and REJ1.
What actors and actresses appeared in Arq - 2011?
The cast of Arq - 2011 includes: Joshua Fredric Smith as The Rider
What type of error do both go-back-n and selective-reject error control methods handle in the same way?
lost acknowledgements
What does Arq mean before a name in Mexico?
It means arquitecto, or architect in Spanish.
Using 5-bit sequence numbers what is the maximum size of the send and receive windows Stop-and-Wait ARQ?
Protocols Send window size Receive window sizeStop‐and‐Wait ARQ 1 1Go‐Back‐N ARQ 32 - 1 = 31 1Selective‐Repeat ARQ 32/2 = 16 32/2 = 16
What rhymes with detection?
Answer:PerfectedNeglected
What is error control in networking?
An error-detection code by itself does not control errors, but it can be used to request repeated transmission of errored code words until they are received error-free. This technique is called ARQ. In terms of error performance, ARQ outperforms forward error correction (FEC) because code words always are delivered error-free (provided the error-detection code doesn't fail). However, this performance does not come free of charge - we pay for it with decreased throughput. The chief advantage of ARQ is that error detection requires simpler decoding than error correction. ARQ also is adaptive because it only re-transmits information when errors occur. On the other hand, ARQ schemes require a feedback path that may not be available.
