Networking

Group Key Management Protocols: A Novel Taxonomy

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Executive Summary

The phenomenal growth of the Internet in the last few years and the increase of bandwidth in today's networks have provided both inspiration and motivation for the development of new services, combining voice, video and text "Over IP". Although unicast communications have been predominant so far, the demand for multicast communications is increasing both from the Internet Service Providers (ISPs) and from content or media providers and distributors. Indeed, multicasting is increasingly used as an efficient communication mechanism for group-oriented applications in the Internet such as video conferencing, interactive group games, Video on Demand (VoD), TV over Internet, e-learning, software updates, database replication and broadcasting stock quotes.

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