A Performance Analysis of DPA(Dynamic Priority Assignment) MAC Protocol for traffic QoS Improvement on HFC-CATV Network

HFC-CATV 망에서 트래픽 QoS 향상을 위한 DAP MAC 프로토콜 성능분석

  • 이수연 (백석문화대학 인터넷정보학부)
  • Received : 2011.03.03
  • Accepted : 2011.03.15
  • Published : 2011.03.30

Abstract

This paper proposes DPA(Dynamic Priority Assignment) MAC protocol to improve the traffic QoS on the HFC-CATV(Hybrid Fiber Coax CAble TeleVision) network. In results, DPA MAC protocol is the best performance compare with to IEEE 802.14a MAC in mean request delay, mean access delay. Also, the paper prove a reliability of proposed protocol through comparison between performance analysis and simulation result of DAP MAC protocol.

HFC-CATV 망에서는 양방향 멀티미디어 서비스 제공을 위한 MAC 프로토콜이 요구되어진다. 따라서 본 논문에서는 트래픽 QoS를 만족시키는 트래픽 우선순위에 따라 경쟁슬롯을 동적으로 할당하는 동적 우선순위 할당(DPA:Dynamic Priority Assignment) MAC 프로토콜을 제안한다. 성능해석을 통해 시뮬레이션과 분석 결과를 비교함으로써 제안된 프로토콜의 신뢰성을 입증하고자 한다.

Keywords

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