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Connection Admission Control in ATM Networks
IEICE TRANSACTIONS on Communications Vol.E77-B No.1 pp.15-27
Publication Date: 1994/01/20
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Switching and Communication Processing
connection admission control,
cell loss rate,
Full Text: PDF(1.1MB)
The connection admission control is one of preventive traffic control in ATM networks. The one objective of connection admission control is to keep the network load moderate so as to achieve a performance objective associated with quality of services (QOS). Because the cell loss rate is more sensitive to offered load than the average queuing delay in ATM networks, QOS requirement associated with cell loss rate is considered. The connection admission control acts as one of the major roles in traffic control. The job of connection admission control is to make an acceptance decision for connection set-up request to control the network load. This paper proposed and evaluated a connection admission control method. The proposed method is suitable for real time operation even in large diversity of connection types, because the amount of calculation for connection admission control is reduced remarkably compared to conventional algorithms. Moreover, the amount of calculation for the algorithm does not increase even when the number of connection types increases. The proposed method uses probability function for the number of cells transferred from multiplexed connections and uses recursive equations in estimating cell loss rate.