An adaptive call admission control in ATM networks using optimized measurements windows

✍ Scribed by SuKyoung Lee; JooSeok Song

• Publisher: Elsevier Science
• Year: 2000
• Tongue: English
• Weight: 480 KB
• Volume: 23
• Category: Article
• ISSN: 0140-3664
• DOI: 10.1016/s0140-3664(00)00166-3

✦ Synopsis

We propose an adaptive measurement-based admission control algorithm that uses optimization procedure to choose an appropriate measurement window size dynamically. 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 both statistical multiplexing gain and QoS are considered An accurate formula for the cell loss probability which is combined with measurements, is presented for refined on/off traffic model. Furthermore, more accurate measurements of traffic would be given to admission controller through optimized window size. The proposed adaptive control is an appealing alternative: not only does it offer adaptivity to changing traffic conditions, but supports a guarantee that loss QoS bound is not violated due to the admission of new calls into ATM network. Simulations were performed to test the performance of the proposed algorithm.