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Worst-Case Delay Analysis of Master-Slave Switched Ethernet Networks

Fulltext:


Authors:

Mohammad Ashjaei, Meng Liu, Moris Behnam, Ahlem Mifdaoui , Luis Almeida, Thomas Nolte

Research group:

Complex Real-Time Embedded Systems

Publication Type:

Conference/Workshop Paper

Venue:

2nd International Workshop on Worst-Case Traversal Time (WCTT12)

Publisher:

ACM

Abstract

Switched Ethernet is increasingly used in real-time communication due to its intrinsic features such as micro segmentation and high throughput. However, COTS switches may impose long blocking times due to their FIFO queues and can also experience buffer overflow in outgoing queues due to uncontrolled packets arrival. Reconciling the use of ordinary switches with the needs of real-time communication requires an adequate overlay protocol. In this paper we focus on using a Master-Slave technique to overcome the COTS switch limitations in real-time applications, namely the FTT-SE protocol. We extend the protocol for large scale networks and we present the worst-case delay analysis using the Network Calculus formalism for such a network. Moreover, we assess the end-to-end delay of traffic with simulation.

Bibtex

@inproceedings{Ashjaei2443,
author = {Mohammad Ashjaei and Meng Liu and Moris Behnam and Ahlem Mifdaoui and Luis Almeida and Thomas Nolte},
title = {Worst-Case Delay Analysis of Master-Slave Switched Ethernet Networks},
month = {December},
year = {2012},
booktitle = {2nd International Workshop on Worst-Case Traversal Time (WCTT12)},
publisher = {ACM},
url = {http://www.es.mdu.se/publications/2443-}
}