Hierarchical video patching with optimal server bandwidth
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Throughput maximization of real-time scheduling with batching
ACM Transactions on Algorithms (TALG)
A QoS-aware VoD resource sharing scheme for heterogeneous networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Multicast video-on-demand service in an enterprise network with client-assisted patching
Multimedia Tools and Applications
Optimized scalable cache management for video streaming system
Multimedia Tools and Applications
PDCS '07 Proceedings of the 19th IASTED International Conference on Parallel and Distributed Computing and Systems
Minimizing the worst-case playback delay in VoD services over passive optical networks
INFOCOM'10 Proceedings of the 29th conference on Information communications
On guaranteed VoD services in next generation optical access networks
IEEE Journal on Selected Areas in Communications - Special issue on next-generation broadband optical access network technologies
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Recent advances in information and communication technologies have made multimedia-on-demand services technically and economically feasible. Important aspects of such systems are the resource sharing techniques, which allow the simultaneous service of a large number of users with considerable savings in terms of network bandwidth and server resources. In this paper, we report the results of a study which analyzes batching and buffering techniques, which involves serving all video requests issued during a short interval of time with a single stream. The mathematical model, based on queueing networks, allows the evaluation of the main system performance (average and probability distribution of the number of streams, percentage reduction of resources, and so on) as a function of load and batching interval duration. Simulation experiments confirm the analytical model in the whole range of considered conditions.