Improving Satellite Multicast Security Scalability by Reducing Rekeying Requirements

As multicasting technologies grow in popularity, so does the need for scalable security architectures to support the user base. Significant research efforts are ongoing in the areas of group-key distribution and management. However, little research has addressed the security of very large, distribut...

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Bibliographic Details
Published in:IEEE network 2007-07, Vol.21 (4), p.51-56
Main Authors: Hubenko, V.P., Raines, R.A., Baldwin, R.O., Mullins, B.E., Mills, R.F., Grimaila, M.R.
Format: Article
Language:English
Subjects:
Access control
Authentication
Computer architecture
Computer crime
Cryptography
Government
Milling machines
Modular
Multicast
Orbits
Reduction
Satellite networks
Satellites
Scalability
Security
Simulation
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Summary:As multicasting technologies grow in popularity, so does the need for scalable security architectures to support the user base. Significant research efforts are ongoing in the areas of group-key distribution and management. However, little research has addressed the security of very large, distributed groups communicating via low-earth orbit satellite networks. In this article, we review the requirements common to most secure, multicast networking environments; discuss existing scalable multicast security architectures; and present a novel modular scalable architecture for secure multicast, adapted to a low-earth orbit satellite system. Simulated results reveal a twelve-fold reduction in average user rekeying and an order of magnitude reduction in required key distribution versus the baseline architecture.
ISSN:0890-8044
1558-156X
DOI:10.1109/MNET.2007.386470