Qingqing Yi

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Due to the mobility of nodes, servers and clients, the reliability of service delivery over MANETs is a major concern. Traditional route discovery based method is to predict and detect breakdown of connectivity and try to find an alternative path from the client to the same server (We call it traditional rerouting method). The introduction of service(More)
This paper first presents and compares three major broadcast encryption schemes: Direct Approach, Matrix-based Method and Tree-based Scheme. It then focuses on the study and implementation of Subset-Cover Difference method, which is adopted by the widely used content distribution system Advanced Access Content System (AACS). The essence of this broadcast(More)
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