A control theoretical approach to congestion control in packet networks

In this paper, we introduce a control theoretical analysis of the closed-loop congestion control problem in packet networks. The control theoretical approach is used in a proportional rate controller, where packets are admitted into the network in accordance with network buffer occupancy. A Smith Pr...

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Bibliographic Details
Published inIEEE/ACM transactions on networking Vol. 12; no. 5; pp. 893 - 906
Main Authors Cavendish, D., Gerla, M., Mascolo, S.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2004
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Algorithm design and analysis
Backbone
Buffers
Communication system traffic control
Communications networks
Congestion
Control theory
Delay
High speed
Intelligent networks
Mathematical analysis
Networks
Proportional control
Quality of service
Smith predictors
Stability analysis
Steady-state
Studies
Switches
Throughput
Traffic flow
Transient analysis
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Summary:In this paper, we introduce a control theoretical analysis of the closed-loop congestion control problem in packet networks. The control theoretical approach is used in a proportional rate controller, where packets are admitted into the network in accordance with network buffer occupancy. A Smith Predictor is used to deal with large propagation delays, common to high speed backbone networks. The analytical approach leads to accurate predictions regarding both transients as well as steady-state behavior of buffers and input rates. Moreover, it exposes tradeoffs regarding buffer dimensioning, packet loss, and throughput.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1063-6692
1558-2566
DOI:10.1109/TNET.2004.836146