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Proceedings Paper

A dynamic core-based tree scheme for key management in secure multicast
Author(s): ZhengQuan Xu; Lin Chen
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Paper Abstract

With the emergence of new distributed multimedia applications upon secure group communication, Security becomes more important increasingly. Now most investigations about multicast security focus on key management problem. In this paper, an improved version of CBT is proposed for data communication and key management and named as Dynamic CBT(D-CBT). This approach accepts the advantages of Iolus and CBT approaches, its main characteristic is that D-CBT changes dynamically with group member join/removal frequently when cumulating influence of dynamic membership reaches certain threshold so that the bandwidth/cost of multicast is as least as possible, D-CBT is also very close to realistic application case. Performance analysis will be conducted compared with other methods.

Paper Details

Date Published: 8 February 2005
PDF: 8 pages
Proc. SPIE 5626, Network Architectures, Management, and Applications II, (8 February 2005); doi: 10.1117/12.566766
Show Author Affiliations
ZhengQuan Xu, Wuhan Univ. (China)
Lin Chen, Wuhan Univ. (China)
Yangtze Univ. (China)

Published in SPIE Proceedings Vol. 5626:
Network Architectures, Management, and Applications II
S. J. Ben Yoo; Gee-Kung Chang; Guangcheng Li; Kwok-wai Cheung, Editor(s)

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