Title
A proxy-assisted adaptation framework for object video multicasting
Abstract
Video multicast is a challenging problem due to the heterogeneous and best-effort nature of the Internet. In this paper, we present a novel video multicast framework that exploits the potential of object scalability offered by MPEG-4. Specifically, we introduce the concept of object transmission proxy (OTP), which filters incoming streams using object-based bandwidth adaptation to meet dynamic network conditions. Multiple OPTs can form an overlay network that interconnects diverse multicast islands with semi-uniform demands within each single island. We concur with the wisdom that an application best knows the utility of its data. Hence, the bandwidth-adaptation algorithm for the OTPs adaptively allocates bandwidth among video objects according to their respective utilities and then performs application-level filtering based on an effective stream classification and packetization scheme. Extensive simulation results demonstrate that our framework has substantial performance improvement over conventional bandwidth-adaptation schemes. It is particularly suitable for object-based video multicasting where the objects are of different importance.
Year
DOI
Venue
2005
10.1109/TCSVT.2004.825532
IEEE Trans. Circuits Syst. Video Techn.
Keywords
Field
DocType
object transmission proxy,video signal processing,video multicast,dynamic network condition,video multicasting,object scalability,utility function,diverse multicast island,bandwidth allocation,index terms—object scalability,proxy-assisted adaptation framework,video filtering,overlay network,video object,conventional bandwidth-adaptation scheme,internet,object video multicasting,packetization scheme,filtering theory,novel video multicast framework,bandwidth-adaptation algorithm,packetization,video multicasting.,multicast communication,object-based video,indexing terms,bandwidth,best effort,scalability
Dynamic network analysis,Bandwidth allocation,Computer science,Computer network,Video tracking,Bandwidth (signal processing),Multicast,Overlay network,The Internet,Scalability,Distributed computing
Journal
Volume
Issue
ISSN
15
3
1051-8215
Citations 
PageRank 
References 
4
0.49
20
Authors
5
Name
Order
Citations
PageRank
Jiangchuan Liu14340310.86
Baochun Li29416614.20
Huai-Rong Shao318816.60
Wenwu Zhu44399300.42
Ya-Qin Zhang53684320.41