Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Initial Investigation on Consolidation with Adaptive Dynamic Threshold for ABR Multicast Connections in ATM Networks

비동기 전송모드 망의 점대다중점연결을 위한 적응동적임계치기반 병합알고리즘

  • Shin, Soung-Wook (Dept.of Electric Electronics Information System Engineering, University of Ulsan) ;
  • Cho, Kwang-Hyun (Dept.of Electric Electronics Information System Engineering, University of Ulsan)
  • 신성욱 (울산대학교 전기전자정보시스템공학부) ;
  • 조광현 (울산대학교 전기전자정보시스템공학부)
  • Published : 2001.11.01
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Abstract

The major problem at a branch point for point-to-multipoint available bit rate(ABR) services in asynchronous transfer mode (ATM) networks is how to consolidate backward resource management(BRM) cells from each branch for a multicast connection. In this paper, we propose an efficient feedback consolidation algorithm based on an adaptive dynamic threshold(ADT) to eliminate the consolidation noise and the reduce the consolidation delay. The main idea of the ADT algorithm lies in that each branch point estimates the ABR traffic condition of the network through the virtual queue estimation and the transmission threshold of the queue level in branch points is adaptively controlled according to the estimation. Simulation results show that the proposed ADT algorithm can achieve a faster response in congestion status and a higher link utilization compared with the previous works.

Keywords

References

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