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With the proliferation of electronic commerce, multicast applications are beginning to be deployed for mainstream use and multicast technology will play a prominent role on the e-commerce applications in the coming years. Now, the academic research on multicast technology has become an active focus. Many results referring to multicast security have been gotten. But to date, efficient solutions, especially about the group key management, are very few. In this paper, the problems of group key management and access control for large dynamic multicast groups have been researched. We give a solution based on subgroup secure controllers, which solves many problems in IOLUS System, WGL scheme and many other solutions.
Date of Conference: 2002