Error control systems for digital communication and storage
Error control systems for digital communication and storage
The Split and Merge Protocol for Interactive Video-on-Demand
IEEE MultiMedia
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Two major issues for continuous data delivery architectures on the Internet are scalability and data continuity. Scalability is addressed by providing multiple redundant stream sources. One solution to the data continuity problem is adaptive client migration. Adaptive client migration is the ability of a client to switch from one redundant stream source to another when it experiences discontinuities in its current stream. The switching mechanism allows the service providers to adapt to changing server loads and varying jitter due to network congestion. This paper presents a client migration protocol that allows a client to migrate from one data stream to another without introducing discontinuities. We have experimentally validated our migration protocol in a simulated distributed network environment.