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Virtual Circuit Management at IP-ATM Network Interface with Control Operating Policy

Summary: Virtual Circuit Management at IP-ATM Network Interface
with Control Operating Policy
Mahbub Hassana and Mohammed Atiquzzamanb
aSchool of Computer Science & Software Engineeringy
Monash University, Caulfield Campus
Caulfield, Melbourne, VIC 3145, Australia.
Tel: +61(3)99032122 Fax: +61(3)99031077
Email: mahbub@insect . sd.monash. edu . au
bDepartment of Electrical & Computer Engineering
The University of Dayton, Dayton, Ohio 45469-0226, USA.
Tel: +1-937-229 3183, Fax: +1-937-229 4529
Email: atiq@engr .udayton. edu
ATM is a connection oriented network while IP is based on a connectionless protocol. Connecting the two networks
requires protocol conversion. When IP packets arrive at the interconnection between the two networks, signalling is
used to open a switched virtual circuit on the ATM side. In this paper, we look at the management of the ATM
connection with a view to reducing the cost of the connection. We develop and compare the cost functions of three
connections management policies: the Delayed Vacation Policy, the Control Operating Policy and the Permanent
Virtual Circuit. Furthermore, we have developed the coditions under which the Control Operating Policy (COP)
will be more cost effective than the other two policies. We conclude that there always exists some condition under


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


Collections: Computer Technologies and Information Sciences