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Z .Computer Networks 31 1999 23612379 www.elsevier.comrlocatercomnet

Summary: Z .Computer Networks 31 1999 2361­2379
HG-RCP: A rate-based flow control mechanism for intranets
interconnected by ATM networks
Mahbub Hassan a,)
, James Breen a,1
, Mohammed Atiquzzaman b,2
School of Computer Science and Software Engineering, Monash UniÕersity, Melbourne, Vic. 3145, Australia
Department of Electrical and Computer Engineering, UniÕersity of Dayton, Dayton, OH 45469-0226, USA
A number of distributed corporate intranets can be connected together using the ABR service of an ATM network to
form a virtual private network. However, because the available bandwidth of the ABR connection may be occasionally
reduced by the ATM network, severe congestion may occur at the gateway connecting an intranet to the ATM network.
Such congestion is likely to cause packet loss at the gateway which in turn may significantly reduce the throughput of
intranet applications. In order to address the above problem, we propose a novel rate-based flow control mechanism, called
Z .Host Gateway Rate Control Protocol HG-RCP , between the gateway and the intranet hosts. The control mechanism of
HG-RCP is modeled as a classical feedback control system and the control parameters are selected to guarantee the stability
of the system. The performance of HG-RCP is evaluated using simulation for both limited and unlimited buffers at the


Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma


Collections: Computer Technologies and Information Sciences