Analysis and improvement on the robustness of AQM in DiffServ networks

Wei Liu, Zong Kai Yang, Jianhua He, Chunhui Le, Chun Tung Chou

Research output: Contribution to journalConference article

6 Citations (Scopus)


RIO is the primary queue management mechanism proposed for Assured Forwarding in the Diffserv framework. Although RIO can generally provide bandwidth guarantee, its performance in terms of both delay and loss is sensitive to traffic level. In this paper. we demonstrate this sensitivity problem by simulation and present a qualitative explanation for its origin. We propose two adaptive algorithms to overcome this problem. Simulation results show that they can effectively improve the robustness of RIO under different and dynamic traffic, and provide stable and quantitative performance of delay or loss.

Original languageEnglish
Pages (from-to)2297-2301
Number of pages5
JournalIEEE International Conference on Communications
Publication statusPublished - 30 Aug 2004
Event2004 IEEE International Conference on Communications - Paris, France
Duration: 20 Jun 200424 Jun 2004


Cite this

Liu, W., Yang, Z. K., He, J., Le, C., & Chou, C. T. (2004). Analysis and improvement on the robustness of AQM in DiffServ networks. IEEE International Conference on Communications, 4, 2297-2301.