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Performance Modelling and Control of Server Systems using Non-linear Control Theory

Author

Editor

  • J. Charzinski
  • R. Lehnert
  • P. Tran-Gia

Summary, in English

All service control nodes, for example SCPs, HLRs, and MSCs, are constructed as a server system

with one or more servers that process incoming requests. Since service control nodes are sensitive to

overload, admission control mechanisms are often implemented. In this paper, we model and analyse

admission control mechanisms for server systems with control theoretic methods. We develop a nonlinear

stochastic control theoretic model of a GI/G/1-system. Further, we show that this model can be

used to design admission control mechanisms that behave well in the “real” system, that is the queuing

system. We develop two types of controllers for the system, one PI-controller and one RST-controller,

both commonly used in automatic control. Also, we discuss some of the limitations of previous work in

this area, in which only deterministic and linear models have been used.

Publishing year

2003

Language

English

Pages

1151-1160

Publication/Series

Providing quality of service in heterogeneous environments : proceedings of the 18th International Teletraffic Congress, ITC-18, Berlin, Germany, 31 August - 5 September 2003 (Teletraffic science and engineering ; vol. 5)

Volume

5A-B

Document type

Conference paper

Publisher

Elsevier

Topic

  • Control Engineering
  • Communication Systems

Conference name

18th International Teletraffic Congress ITC-18

Conference date

2003-08-31 - 2003-09-05

Conference place

Berlin, Germany

Status

Published

Project

  • Tele- och datakommunikationssystem: Performance Analysis of distributed Applications

Research group

  • Tele- och datakommunikationssystem

ISBN/ISSN/Other

  • ISBN: 0-444-51455-4