Protection in Unicast/Multicast
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We will detail some of the solutions, either because their dominant market share makes them inevitable, or because of their pedagogical potential. We start with the two main actors in the field: Microsoft DRM and Apple FairPlay. These two examples introduce the basic architecture, a wide range of usage rights, and also some challenges with the individualization of the client. Later, we present Adobe Flash Access because its design has a distinctive interesting feature. OMA’s description shows a first implementation of domain management. Marlin is a new contender in the arena of DRM with its founders being major consumer electronics manufacturers.