期刊名称:Issues in Informing Science and Information Technology
印刷版ISSN:1547-5840
电子版ISSN:1547-5867
出版年度:2008
卷号:5
页码:645-655
出版社:Informing Science Institute
摘要:The objective of connection admission control (CAC) is to keep the network load moderate to
achieve a performance objective associated with Quality of Service (QoS). Cell Loss Ratio
(CLR), a key QoS parameter in ATM networks, is essential for proper network resources dimensioning,
congestion control, bandwidth allocation and routing.
In this research, we employed fuzzy logic technique in Statistical Connection Admission Control
(S-CAC) - a CAC employing multiplexing of the bandwidth between the peak cell rate and the
sustained (average) cell rate. The fuzzy technique consists of an input stage, a processing stage,
and an output stage. We defined the rules with “max-min” inference method in which the output
membership function is given the truth value generated by the premise. The results was defuzzified
to a crisp value using the “centroid” method which favors the rule with the output of the
greatest area, and the result thereafter charted to compare it operation.
关键词:ATM, Fuzzy Logic, Connection Admission Control (CAC), B-ISDN, QoS.