Abstract

본 논문에서 제안한 사이클링 패킷 폐기 메커니즘은 사이클 사이의 트래픽 변화를 예측하여 패킷 폐기를 적응적으로 처리할 수 있다. 따라서 제안된 메커니즘은 RIO 메커니즘의 단순 폐기율 적용에 대한 단점을 보완하고, 동적 엄격 패킷 폐기 메커니즘의 예측 가능한 오류율을 최소화하였다. 시뮬레이션을 수행하여, 망 트래픽의 상태에 따라 동적으로 변하는 전송가능 폐기순위에 따른 처리율과 패킷 폐기율을 분석하였다. 시뮬레이션을 분석한 결과 제안된 메커니즘은 트래픽의 양에 상관없이 각 AF 클래스의 폐기순위를 엄격하게 적용하고 폐기순위에 따른 패킷 전송능력이 개선하였음을 증명하였다. Cycling Packet Dropping mechanism we proposed in this paper adaptively drops packets, as predicting traffic pattern between each cycle. Therfore the proposed mechanism makes up for the drawback of RIO mechanism and minimizes errors being capable of predicting in Dynamic and Strict Packet Dropping mechanism. And we executed a simulation and analyzed the throughput and packet drop rate based on the Sending Drop Precedence changing dynamically depending on the network traffic. The results show that the proposed mechanism provides better performance on drop precedence levels and stricter drop precedence policy for AF class.

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