NDLI: Bandwidth Management for Mixed Unicast and Multicast Multimedia Flows with Perception Based QoS Differentiation

Content Provider	IEEE Xplore Digital Library
Author	Guowang Miao Zhisheng Niu
Copyright Year	2006
Description	Author affiliation: State Key Lab on Microwave and Digital Communications, Department of Electronic Engineering, Tsinghua University, Beijing, 100084, P.R. China. Telephone: +86-10-62794328 Fax: +86-10-62773634 (Guowang Miao; Zhisheng Niu)
Abstract	Efficient bandwidth allocation is among the most important open issues in network traffic control aiming to offer a QoS assurance, especially when unicast and multicast multimedia flows coexist. With new QoS concepts: user/flow satisfaction, this paper presents a user perception oriented QoS model, and a generalized bandwidth allocation method which can actively adapt to the dynamics of the network and has global convergence capability for an optimal solution of bandwidth allocation. Our method effectively exploits all available bandwidth resources, and can provide effective QoS differentiated services when different types of unicast and multicast multimedia streams coexist. The proposed method has great flexibility that QoS differentiation can be guaranteed in both heavy and light load conditions. For heavy load cases, the allocation results will satisfy all users as much as possible. And for light load cases, all redundant bandwidth will be fully exploited while distinct QoS differentiation is kept. Based on our approach, a soft system capacity similar to the one in CDMA networks will be provided.
Starting Page	687
Ending Page	692
File Size	209523
Page Count	6
File Format	PDF
ISBN	1424403553
ISSN	81649547
DOI	10.1109/ICC.2006.254787
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bandwidth Unicast Channel allocation Traffic control Streaming media Degradation Telecommunication traffic Engineering management Digital communication Telephony
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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