Resource sharing for book-ahead and instantaneous-request calls

Rayadurgam Srikant (Inventor), Ward Whitt (Inventor), Albert G Greenberg (Inventor)

Research output: Patent

Abstract

Because it is difficult to provide adequate quality of service to large-bandwidth calls in integrated-services networks, service providers may allow some customers to book ahead their calls. The present invention provides a scheme resource sharing among book-ahead calls (that announce their call initiation and holding times upon arrival) and non-book-ahead calls (that do not announce their holding times and enter service immediately, if admitted). The basis for this sharing is an admission control algorithm in which admission is allowed if an approximate interrupt probability (computed in real time) is below a threshold. Simulation experiments show that the proposed admission control methodology is superior to alternative schemes that do not allow interruption, such as a strict partitioning of resources.
Original languageEnglish (US)
U.S. patent number5878026
Filing date11/19/96
StatePublished - Mar 2 1999

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