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Developing multimedia applications, such as video and audio applications, is a diicult task because of the stringent requirement on system resources and the great diversity of multimedia standards and devices. Many existing multimedia systems are monolithic and extremely complex. It is hard to extend and reconngure those systems. Easy exten-sibility and(More)
Most existing research in thejield of distributed multimedia computing is at the level of isolatedsystem components, such as communication and operating system support for multimedia. The application level support for distributed multimedia and continuous media has so far been largely neglected. Little work has yet been carried out on comprehensively(More)
This paper proposes two frameworks for secure multicast on active networks. The frameworks exploit the computational power of active networks to provide the security desired for multicast, while removing drawbacks in traditional approaches. The main security component in the frameworks is the Active Capability(AC) which replaces the passive session key. The(More)
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