Question 3 Consider a satellite channel running TCP/IP as shown in the figure below. Due to the long round trip time (RTT) and high bit error rate (BER) the conventional TCP congestion mechanism doesn’t work well in a satellite transmission system.
Question 3 Consider a satellite channel running TCP/IP as shown in the figure below. Due to the long round trip time (RTT) and high bit error rate (BER) the conventional TCP congestion mechanism doesn’t work well in a satellite transmission system.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question 3
Consider a satellite channel running TCP/IP as shown in the figure below. Due to the long round trip time (RTT) and high bit error rate (BER) the conventional TCP congestion
3.1 Assume traditional TCP/IP is used and that the congestion window of the TCP sender is 10k bytes, and it is in congestion avoidance (CA) state with the threshold variable equal to 8k bytes. Now, the sender receives 3 duplicated acknowledgements (ACKs). As a result, explain the effect on the congestion window size and the threshold.
Transcribed Image Text:Traffic
flow
Sender
Receiver
UES or
GES
UES or
GES
Slow
Ack.
start
Traffic flow
Traffic flow
Time
out
Acknowledgement or Feedback control flow
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