Research Article
A new VoIP call admission control based on blocking probability calculation
@INPROCEEDINGS{10.1109/CHINACOM.2009.5339917, author={Chin-Ling Chen}, title={A new VoIP call admission control based on blocking probability calculation}, proceedings={ChinaCom2009-Advances in Internet Symposium}, publisher={IEEE}, proceedings_a={CHINACOM2009-AIS}, year={2009}, month={11}, keywords={}, doi={10.1109/CHINACOM.2009.5339917} }- Chin-Ling Chen
Year: 2009
A new VoIP call admission control based on blocking probability calculation
CHINACOM2009-AIS
IEEE
DOI: 10.1109/CHINACOM.2009.5339917
Abstract
We present a novel scalable call admission control for VoIP based on blocking probability calculation (BPC). Blocking probabilities were measured carrying VoIP for every router across the source-destination path. Ingress router selects the optimal path for the new request by calculating blocking probabilities across all source-destination paths. A simple algorithm design and evaluation results show that the proposed scheme is effective to achieve high utilization of network resources, while satisfying end-to-end targets in terms of blocking probability, delay and packet loss rate.
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