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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
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 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
What is the maximum size of the window in a go back n arq?
In Go-Back-N ARQ (Automatic Repeat reQuest), the maximum size of the window is determined by the formula ( N \leq 2^m - 1 ), where ( m ) is the number of bits used for the sequence numbers. This means that if the sequence numbers are represented by ( m ) bits, the maximum window size can be up to ( 2^m - 1 ) frames. This allows the sender to transmit multiple frames before needing an acknowledgment for the first one, improving throughput while managing the potential for errors.
What is ARQ in computer networking?
Automatic Repeat reQuest, an errot control mechanism for data transmission.See the Related Link.
A go-back-n ARQ uses a window of size 15How many bits are needed to defined the sequence number?
As the sequence Number is modulo arithmetic of 2^m ,the window Size is always less than (2^m )-1,where m is the bits for Sequence Number.So u can use 4 bits as your Window Size is 15.(2^4)- 1 = 15.
Is arq ok in scrabble?
No. Arq is not a legal Scrabble word.
What actors and actresses appeared in Arq - 2011?
The cast of Arq - 2011 includes: Joshua Fredric Smith as The Rider
What is stop wait ARQ system?
Basically Its a transmission system that sends packets of data across a link and then waits until it has received signals back from the recipient to show successful transmission of all data packets in that window (set size of a number of data packets). Any packets that don't receive a successful transmission flag are resent before the window progresses to the next set of data packets.
Suppose that a sending device sends five data frames and then receives a negative acknowledgement NAK with a frame identifier of 3 On receipt of the NAK the sending device resends copies of frames?
Go-back-n automatic repeat request (ARQ)
