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An Integrated Call Admission Control in ATM Networks
SuKyoung LEE Jooseok SONG
IEICE TRANSACTIONS on Communications
Publication Date: 1999/05/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Communication Networks and Services
ATM, CAC, measurement-based,
Full Text: PDF(273.1KB)
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A scheme is proposed to exploit statistical multiplexing to support connections with diverse characteristics and requirements. Previous designs on measurement-based admission control mainly focused on strategies that consider the worst case traffic source model to guarantee QoS bounds for all connections. In this paper, we develop a simple mechanism in which statistical multiplexing gain as well as QoS is considered to achieve higher bandwidth utilization. An accurate formula for the cell loss probability which combines measurments with the Gaussian approximation is presented for a new traffic model. Furthermore we enhance the performance of this mechanism through real-time measurements of traffic and monitoring of QoS.