A RED modified weighted moving average for soft real-time application

• Autorzy: Joanna Domańska , Adam Domański , Dariusz R. Augustyn , Jerzy Klamka
• Języki publikacji: EN

Abstrakty

EN

The popularity of TCP/IP has resulted in an increase in usage of best-effort networks for real-time communication. Much effort has been spent to ensure quality of service for soft real-time traffic over IP networks. The Internet Engineering Task Force has proposed some architecture components, such as Active Queue Management (AQM). The paper investigates the influence of the weighted moving average on packet waiting time reduction for an AQM mechanism: the RED algorithm. The proposed method for computing the average queue length is based on a difference equation (a recursive equation). Depending on a particular optimality criterion, proper parameters of the modified weighted moving average function can be chosen. This change will allow reducing the number of violations of timing constraints and better use of this mechanism for soft real-time transmissions. The optimization problem is solved through simulations performed in OMNeT++ and later verified experimentally on a Linux implementation.

Słowa kluczowe

EN

active queue management; soft real-time; dropping packets

• Wydawca: University of Zielona Gora Press
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2014
• Tom: 24
• Numer: 3
• Strony: 697-707

Daty

wydano

2014

otrzymano

2013-04-18

poprawiono

2013-12-02

poprawiono

2014-03-18

Twórcy

autor

Joanna Domańska

• Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, ul. Bałtycka 5, 44-100 Gliwice, Poland

autor

Adam Domański

• Institute of Informatics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland

autor

Dariusz R. Augustyn

• Institute of Informatics, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland

autor

Jerzy Klamka

• Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, ul. Bałtycka 5, 44-100 Gliwice, Poland

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Identyfikatory

DOI

10.2478/amcs-2014-0051