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Traffic Modeling and Call Admission Control GCRA-Controlled VBR Traffic in ATM Network  

정승욱 (숭실대학교 정보통신전자공학부 통신망 보안 연구실)
정수환 (숭실대학교 정보통신전자공학부 통신망 보안 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.27, no.7C, 2002 , pp. 670-676 More about this Journal
Abstract
The object of ATM network is to the guarantee quality of service(QoS). Therefore, various of traffic management schemes have been proposed. Among these schemes, call admission control(CAC) is very important to provide real-time services and ON-OFF model, which is single source traffic model, has been used. But ON-OFF model differ from GCRA(Generic Cell Rate Algorithm) controlled traffic in ATM network. In this paper, we analyze the traffic, which is controlled as dual GCRA, and propose TWM(Three-state Worst-case Model), which is new single source traffic model. We also proposed CAC to guarantee peak-to-peak CDV(Cell Delay Variation) based on the TWM. In experiments, ON-OFF model and TWM are compared to show that TWM is superior to ON-Off model in terms of QoS guaranteeing.
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