A congestion control mechanism for enterprise network traffic over asynchronous transfer mode networks

Authors:
M. Hassan;H. Sirisena;M. Atiquzzaman
Affiliations:
School of Computer Science and Software Engineering, Monash University, Melbourne 3145, Australia;Department of Electrical and Electronic Engineering, University of Canterbury, Christchurch 8020, New Zealand;Department of Electrical and Computer Engineering, University of Dayton, Dayton, OH 45469-0226, USA
Venue:
Computer Communications
Year:
1999

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Abstract

Available bit rate (ABR) is an emerging asynchronous transfer mode (ATM)-based telecommunication service, which dynamically allocates bandwidth to the users according to the available bandwidth in the network. However, research shows that ABR-based connections suffer from congestion at LAN-ATM gateway when ATM network abruptly reduces the bandwidth available to the gateway. Gateway congestion may result in high packet loss. This paper proposes a gateway congestion control mechanism, which controls the rate of outgoing enterprise traffic according to the available bandwidth at the gateway. Our analysis shows how to achieve a stable system and keep the packet loss below a desired threshold. Analytical results are validated by simulation.