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ATM 망에서 ABR 트래픽을 위한 Rate 기법이 성능 향상 연구
이요섭(Lee Yo Seob),유은진(Yu Eu Jin),장현희(Chang Hyun Hee),방혜자(Pang Hea Ja),전문석(Jun Moon Seog) 한국정보처리학회 1997 정보처리학회논문지 Vol.4 No.10
Recently, we are concerned with effective service according as the demand increase for high speed data service. We can use high speed transfer and multiple traffic service on the ATM networks, so we concentrate on preventive-control method rather than reactive-control one. But it is possible to have low QoS and traffic congestion due to unpredictable traffic and burst traffic. Specially, ATM Forum has discussed to standardization of traffic management of ABR(Available Bit Rate) service. Because ABR traffic controls the flow of traffic using the feedback information and the current status information of cell, it allocates bandwidth systematically and dynamically to the user. In this paper, we propose a new Rate-based flow control scheme which adapted double threshold buffer idea. The double threshold buffer controls the traffic control by establishing two threshold in buffer.