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In the modern technology world, network attacks have become more sophisticated and harder to identify the attack. When many applications like scalable chat services and streaming video, are expected to run over the Internet, the security is necessary in computing and communication became a necessity. The internet today provides less security for privacy and authentication of multicast packets. The number of applications using multicast increases day by day and so it need secure multicast services. Multicast is an internetwork service which provides efficient delivery of data from a source to multiple receivers and also improve the bandwidth efficiency of the network. A common group key is necessary for individual members in the group for secure multicast communication.
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