Abstract
최근 인터넷에서 QoS(Quality of Service)를 제공하는 방법인 차별 서비스에 대해 많은 연구가 진행중이다. 차별화 서비스에서 보장형 서비스는 2등급 패킷 폐기 우선순위 방법과 RIO(RED with In and Out)를 일반적으로 사용한다. 하지만 이 방법만으로는 대역폭을 만족할 만큼 공평하게 사용자에게 제공하지 못한다. 본 논문에서는 공평성을 개선하기 위한 방법으로 TSW(Time Sliding Window) marking algorithm을 개선하여 TS2W3C(Time Sliding Two Window Three Color)marking algorithm을 제안한다. ns-2를 이용하여 제안된 메커니즘을 모의 실험을 통해 성능을 분석한 결과, 제안한 방법이 기존의 방법에 비해 공평하게 대역폭을 분배하는 것으로 나타났다. In recent research for the Internet, many studies have investigated the Diffserv AS architecture that can provide Quality of Service. However, this architecture still lacks the qualification to provide full use of the bandwidth to the customer In this paper, we propose the TS2W3C (Time Sliding Two Window Three Color) marking algorithm to improve the fair share of bandwidth by enhancing the TSW (Time Sliding Window) marking algorithm. Our proposed mechanism provides the bandwidth relatively more fairly than the TSW mechanism.
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