An approach for secure multicasting in mobile IP networks

Abstract

There is a considerable interest  in the area of mob1lity with the advent of powerful portable computing devices such as Laptops and othe1 information appliances These enable a user to access a service from anywhere at any time Such nomadic  computing poses several challenges in multicasting and security. We first consider a framework that has been proposed by Acharya et al. [Acharya, A, Bakre, A. and Badrinath, B. R. IP multicast extensions for mobile internet working, Rutger DCS Technical Report, LCSR-TR_243.] for multicasting in mobile IP networks. In this paper, we extend this framework to support a secure multicasting service. We describe secure schemes for a mobile host to initiate, join and leave a multicast group We also discuss the secure movement of mobile hosts  in intra and inter campus environments.