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A Compact Approach to Clustered Master-Slave Ethernet Networks
Publication Type:
Conference/Workshop Paper
Venue:
9th Int. Workshop on Factory Communication Systems (WFCS12) Work-in-Progress (WiP) session
Abstract
Ethernet switches are increasingly used in real-time
distributed systems as a technical solution to guarantee the
timeliness in communications. However, there are still limitations
related to real-time behavior caused by the limited number
of priority levels and the possibility of memory overruns with
consequent message losses. These limitations can be eliminated
using a master/slave technique such as proposed by the FTT
paradigm. This led to the FTT-SE protocol that schedules
transmissions centrally in a master node. While this protocol
has already been well studied and investigated for small networks
with a single switch, its extension to larger networks is still an
open issue. In this paper we propose a compact clustered solution
to scale the FTT-SE protocol to networks of multiple switches by
organizing the network in sub-networks composed of one master
and one switch each and which can be connected directly, without
bridges. This paper also shows how the timeliness of the traffic
can still be enforced. The validation is currently on-going.
Bibtex
@inproceedings{Ashjaei2359,
author = {Mohammad Ashjaei and Moris Behnam and Thomas Nolte and Luis Almeida and Ricardo Marau},
title = {A Compact Approach to Clustered Master-Slave Ethernet Networks},
month = {May},
year = {2012},
booktitle = { 9th Int. Workshop on Factory Communication Systems (WFCS12) Work-in-Progress (WiP) session},
url = {http://www.es.mdu.se/publications/2359-}
}