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Q1. Assume a single link connects a source K and a destination M with a round trip time RTT. Assume K starts sending to M using TCP Tahoe at time t = 0, and the 14th segment sent is lost. Assume that TCP's timeout is 3 RTTS. a) Draw on the below diagram how the congestion window grows over time. b) Indicate which time intervals are for slow-start and which are for congestion avoidance. Assume Tahoe employs fast retransmission but not fast recovery. Cwnd 3 2 N WAS 5 4 6 10 9 8 1 01 2 3 4 567 8 9 10 11 12 Round trip times

Q1. Assume a single link connects a source K and a destination M with a round trip time RTT. Assume K starts sending to M using TCP Tahoe at time t = 0, and the 14th segment sent is lost. Assume that TCP's timeout is 3 RTTS. a) Draw on the below diagram how the congestion window grows over time. b) Indicate which time intervals are for slow-start and which are for congestion avoidance. Assume Tahoe employs fast retransmission but not fast recovery. Cwnd 3 2 N WAS 5 4 6 10 9 8 1 01 2 3 4 567 8 9 10 11 12 Round trip times

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Q1. Assume a single link connects a source K and a destination M with a round trip time RTT. Assume K starts sending to M using TCP Tahoe at time t = 0, and the 14th segment sent is lost. Assume that TCP's timeout is 3 RTTS. a) Draw on the below diagram how the congestion window grows over time. b) Indicate which time intervals are for slow-start and which are for congestion avoidance. Assume Tahoe employs fast retransmission but not fast recovery. Cwnd 3 2 N WAS 5 4 6 10 9 8 1 01 2 3 4 567 8 9 10 11 12 Round trip times
Transcribed Image Text:Q1. Assume a single link connects a source K and a destination M with a round trip time RTT. Assume K starts sending to M using TCP Tahoe at time t = 0, and the 14th segment sent is lost. Assume that TCP's timeout is 3 RTTS. a) Draw on the below diagram how the congestion window grows over time. b) Indicate which time intervals are for slow-start and which are for congestion avoidance. Assume Tahoe employs fast retransmission but not fast recovery. Cwnd 3 2 N WAS 5 4 6 10 9 8 1 01 2 3 4 567 8 9 10 11 12 Round trip times
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