Analysis of Reverse Traffic in Delay-Based Congestion Control

Previous theory and experiments show that delay- based algorithm, e.g. TCP Vegas, outperforms other congestion control algorithms with loss-based events. Unfortunately, previous analytic models of TCP Vegas always omit the impact of traffic in reverse path. To address this problem, we develop a simp...

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Bibliographic Details
Published inSecond International Conference on the Digital Society pp. 178 - 183
Main Authors Sheng Wang, Jinshu Su
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.02.2008
Subjects
Communication system traffic control
Degradation
Delay effects
Delay estimation
Performance Model
Propagation delay
Protocols
Size control
TCP
TCP Vegas
Telecommunication traffic
Throughput
Traffic control
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Summary:Previous theory and experiments show that delay- based algorithm, e.g. TCP Vegas, outperforms other congestion control algorithms with loss-based events. Unfortunately, previous analytic models of TCP Vegas always omit the impact of traffic in reverse path. To address this problem, we develop a simple analytic model in the presence of traffic in reverse path. This model captures the key innovative mechanisms that TCP Vegas employs during congestion avoidance and studies the relations between equilibrium window size and round trip time (RTT). In order to do this, We split RTT to two parts: forward trip time and reverse trip time. Results show that the delay time in reverse path has the same importance as forward data path in determining equilibrium window size and throughput of delay- based algorithm in congestion control.
ISBN:0769530877
9780769530871
DOI:10.1109/ICDS.2008.31