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A cooperative cache architecture in support of caching multimedia objects in MANETs

Lau, W. H. O., Kumar, M. and Venkatesh, Svetha 2002, A cooperative cache architecture in support of caching multimedia objects in MANETs, in WOWMOM 2002 : Proceedings of the 5th ACM International Workshop on Wireless Mobile Multimedia, ACM, New York, N. Y., pp. 56-63, doi: 10.1145/570790.570800.

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Title A cooperative cache architecture in support of caching multimedia objects in MANETs
Author(s) Lau, W. H. O.
Kumar, M.
Venkatesh, SvethaORCID iD for Venkatesh, Svetha orcid.org/0000-0001-8675-6631
Conference name ACM International Workshop on Wireless Mobile Multimedia (5th : 2002 : Atlanta, Ga.)
Conference location Atlanta, Ga.
Conference dates 28 Sep. 2002
Title of proceedings WOWMOM 2002 : Proceedings of the 5th ACM International Workshop on Wireless Mobile Multimedia
Editor(s) Conti, M.
Raychaudhuri, D.
Publication date 2002
Conference series ACM International Workshop on Wireless Mobile Multimedia
Start page 56
End page 63
Total pages 8
Publisher ACM
Place of publication New York, N. Y.
Keyword(s) caching
continuous media streaming
mobile ad-hoc networks
QoS
service migration
Summary This paper presents a cooperative caching architecture suitable for continuous media (CM) proxy caching in MANET environments. The proposed scheme introduces an application manager component, which is interposed between traditional Internet CM applications and the network layer. The application manager transparently performs data location and service migration of active CM streaming sessions so as to exploit nearby data sources based on the dynamic topology of a MANET. We propose two data location schemes - Cache-State - a link-state based scheme and Reactive - an on-demand scheme. Since service migration can occur frequently, the application manager uses soft-state signaling techniques to communicate between remote application managers by translating hard-state application signaling, such as Real Time Streaming Protocol (RTSP) into soft-state messages. The proposed schemes are evaluated through simulation studies using the NS simulator. Simulation studies show that both Cache-State and Reactive schemes demonstrate significant QoS improvements and reduced bandwidth consumption.
ISBN 1581134746
Language eng
DOI 10.1145/570790.570800
Field of Research 089999 Information and Computing Sciences not elsewhere classified
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category E1.1 Full written paper - refereed
Copyright notice ©2002, ACM
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044528

Document type: Conference Paper
Collection: School of Information Technology
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