Secure multicast in micro-mobility environments

Authors:
Ho-Seok Kang;Young-Chul Shim
Affiliations:
Dept. of Computer Engineering, Hongik University, Seoul, Korea;Dept. of Computer Engineering, Hongik University, Seoul, Korea
Venue:
ICN'05 Proceedings of the 4th international conference on Networking - Volume Part II
Year:
2005

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Abstract

To reduce the control message overhead due to frequent handoffs in mobile IP, micro-mobility protocols have been proposed. In this paper we present an approach for providing secure multicasting services in micro-mobility environments. We first introduce a multicast routing protocol in a micro-mobility environment and then present protocols to add security services to the bare multicasting. The proposed multicast routing protocol builds a shared multicast tree. The added security services include authentication, authorization, confidentiality, and integrity. The security protocols use key hierarchy mechanism in a paging area to efficiently handle frequent group membership changes and handoffs.