NDLI: An adaptive differentiated service multicast gateway

Content Provider	IEEE Xplore Digital Library
Author	Chung-Ming Huang Yuan-Tse Yu Guo-Shiung Liau
Copyright Year	1963
Abstract	This paper proposes a DiffServ-based multicast media gateway, called Adaptive Differentiated Service Multicast Gateway (ADMG), to guarantee QoS and scalability for multimedia presentation. The two goals of the ADMG system are (1) to increase bandwidth utilization by reserving statistical multiplexing bandwidth based on layered-media aggregation and (2) to improve the quality of presentation of the received layered media streams by dynamically modifying the sending rates of various service queues when the network passes heavy traffic. To reach these two goals, the proposed statistical layered aggregation model exploits the traffic-burst regularity of each layered aggregating flow, including I-frame, P-frame and B-frame flows, to determine the approximate reserved bandwidth. Additionally, the ADMG system dynamically changes the sending rates of various service queues to ensure that layered media packets with higher priority are always sent before those with lower priority. The proposed aggregation model, which is inconsistent with unaware GOP-based layered-media aggregation methods, has been experimentally tested on several layered-video streams. The results reveal that the proposed scheme outperforms others with a substantial reduction of bandwidth reservation even given tight delay bounds. The experimental results of the ADMG system on DiffServ networks also reveal the capability for dynamic bandwidth adjustment in various networking situations.
Sponsorship	IEEE Broadcast Technology Society
Starting Page	329
Ending Page	347
Page Count	19
File Size	1727864
File Format	PDF
ISSN	00189316
Volume Number	51
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Telecommunication traffic Traffic control Bandwidth Scalability Streaming media Nonhomogeneous media Delay Transform coding Web and internet services QoS DiffServ layered media multicast
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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