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Dynamic Reconfiguration in HaRTES Switched Ethernet Networks

Authors:

Mohammad Ashjaei, Yong Du , Luis Almeida, Moris Behnam, Thomas Nolte

Research group:

Complex Real-Time Embedded Systems

Publication Type:

Conference/Workshop Paper

Venue:

12th IEEE World Conference on Factory Communication Systems

Abstract

The ability of reconfiguring a system during run-time is essential for dynamic real-time applications in which resource usage is traded online for quality of service. The HaRTES switch, which is a modified Ethernet switch, holds this ability for the network resource, and at the same time it provides hard real-time support for both periodic and sporadic traffic. Although the HaRTES switch technologically caters this ability, a protocol to actually perform the dynamic reconfiguration is missing in multi-hop HaRTES networks. In this paper we introduce such a protocol that is compatible with the traffic scheduling method used in the architecture. We prove the correctness of the protocol using a model checking technique. Moreover, we conduct a set of simulation experiments to show the performance of the protocol and we also show that the reconfiguration process is terminated within a bounded time.

Bibtex

@inproceedings{Ashjaei4310,
author = {Mohammad Ashjaei and Yong Du and Luis Almeida and Moris Behnam and Thomas Nolte},
title = {Dynamic Reconfiguration in HaRTES Switched Ethernet Networks},
editor = {IEEE},
month = {May},
year = {2016},
booktitle = {12th IEEE World Conference on Factory Communication Systems},
url = {http://www.es.mdu.se/publications/4310-}
}