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Controlling Multi-Switch Networks for Prompt Reconfiguration

Authors:

Ricardo Marau , Moris Behnam, Zahid Iqbal , Pedro Silva , Luis Almeida, Paulo Portugal

Research group:

Complex Real-Time Embedded Systems

Publication Type:

Conference/Workshop Paper

Venue:

Proc. of 9th Int. Workshop on Factory Communication Systems (WFCS’12)

Abstract

Recent trends in distributed embedded systems, such as those found in avionics and trains, have shown an increase in the amount and heterogeneity of the information that needs to be exchanged, together with a growing importance of supporting dynamic reconfiguration and adaptive behaviors. In this paper we focus on Ethernet technologies with real-time reconfiguration support and we address the case of middle-size networking infrastructures with a few switches. We use the FTT-SE protocol with the needed adaptations to support dynamic heterogeneous real-time transactions in multi-hop networks. The paper presents a worst-case response-time analysis that provides timeliness guarantees, improving the results obtained with another previous analysis, decreasing the needed network capacity for guaranteed schedulability by 25% on average. Practical experiments and simulation results validate the proposed approach and analysis.

Bibtex

@inproceedings{Marau2342,
author = {Ricardo Marau and Moris Behnam and Zahid Iqbal and Pedro Silva and Luis Almeida and Paulo Portugal},
title = {Controlling Multi-Switch Networks for Prompt Reconfiguration},
month = {May},
year = {2012},
booktitle = {Proc. of 9th Int. Workshop on Factory Communication Systems (WFCS’12)},
url = {http://www.es.mdu.se/publications/2342-}
}