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A new scheme for traffic estimation and resource allocation for bandwidth brokers

Summary: A new scheme for traffic estimation and resource allocation
for bandwidth brokers
T. Anjali a,*, C. Scoglio a
, G. Uhl b
Broadband and Wireless Networking Laboratory, School of Electrical and Computer Engineering, Georgia Institute of Technology,
Atlanta, GA 30332, USA
Swales Aerospace & NASA Goddard, Beltsville, MD 20705, USA
Received 1 May 2002; received in revised form 16 October 2002; accepted 14 November 2002
Responsible Editor: C. Douligeris
This paper is motivated by the concern of a multi-service network provider who plans to offer quality of service
guarantees to users. A bandwidth broker acts as the resource manager for each network provider. Neighboring
bandwidth brokers communicate with each other to establish inter-domain resource reservation agreements. Con-
ventional approaches for resource allocation rely on pre-determined traffic characteristics. If allocation follows the
traffic demand very tightly, the resource usage is efficient but leads to frequent modifications of the reservations. This
would lead to increased inter-bandwidth-broker signaling in order to propagate the changes to all the concerned
networks. Contrarily, if large cushions are allowed in the reservations, the modifications are far spaced in time but the
resource usage becomes highly inefficient. In this paper, a new scheme for estimating the traffic on an inter-domain link


Source: Anjali, Tricha - Department of Electrical and Computer Engineering, Illinois Institute of Technology


Collections: Computer Technologies and Information Sciences; Engineering