FICC-DiffServ: A New QoS Architecture Supporting Resources Discovery, Admission and Congestion Controls

Authors:
Ha Trung Phan;Doan B. Hoang
Affiliations:
University of Technology - Sydney;University of Technology - Sydney
Venue:
ICITA '05 Proceedings of the Third International Conference on Information Technology and Applications (ICITA'05) Volume 2 - Volume 02
Year:
2005

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Abstract

Differentiated Services (DiffServ) QoS architecture is scalable but inadequate to deal with network congestion and unable to provide fairness among its traffic aggregates. Recently, IETF has recommended additional functions including admission control and resource discovery to enhance the original DiffServ [1]. In this paper, we propose a comprehensive framework for DiffServ networks. In our new architecture, the Fair Intelligent Congestion Control (FICC) algorithm is applied to provide fairness among traffic aggregates and control congestion inside the networks. The enhanced architecture is realizable within the existing IP network infrastructures. Simulation results show that the FICC-DiffServ performs excellently in terms of guaranteed fairness, minimized packet delay and jitter, robust to traffic attributes, and simple to implement.