the following parameters for Selective Repeat (SR):  a) N = 4 b) Round Trip Time (RTT) = 10 ms c) Timeout period = 40 ms d) Segment Size = 2200 bytes. Suppose that Bob sent 14 segments, numbered 1 to 14, to Alice using the SR mechanism. Suppose that Segment 4 and Segment 10 were lost the first time the segments were sent to Alice (but reached Alice correctly when retransmitted). Apart from the above, there were no other segment losses. What is the average throughput obtained in sending all the segments (in bytes/sec)? Draw a diagram to show the communication of the segments in detail.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter9: Computer Networks
Section: Chapter Questions
Problem 15VE
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Assume the following parameters for Selective Repeat (SR): 

a) N = 4

b) Round Trip Time (RTT) = 10 ms

c) Timeout period = 40 ms

d) Segment Size = 2200 bytes.

Suppose that Bob sent 14 segments, numbered 1 to 14, to Alice using the SR mechanism. Suppose that Segment 4 and Segment 10 were lost the first time the segments were sent to Alice (but reached Alice correctly when retransmitted). Apart from the above, there were no other segment losses. What is the average throughput obtained in sending all the segments (in bytes/sec)? Draw a diagram to show the communication of the segments in detail.

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