Video-on-demand (VoD) has been an a tive area of resear h for the past few years in the multimedia resear h ommunity. However, there have not been many signi ant ommer ial deployments of VoD owing to the inadequa y of per user bandwidth and the la k of a good business model.1 Signifi ant resear h e orts have been dire ted towards redu tion of network bandwidth requirements, improvement of serve...

The proposed scheme of pyramid broadcasting is a new way of rendering Video On Demand service at metropolitan scale. In pyramid broadcasting, the most frequently requested movies are multiplexed on the broadcast network, resulting in radical improvement of access time and e cient bandwidth utilization. We provide analytical and experimental evaluations of pyramid broadcasting based on its imple...

Object Information-miscellaneous information about an actor Script-the dialogue of a video Representational Frame Height-height in pixels of video Frame Width-width in pixels of video Frame Rate-number of frames per second 22 Vodasaurus Rex, the more complex interface has been judged as easy to use when creating complex queries in a pilot user study. Bibliographic Title-the title of a video Gen...

This short paper examines the technological feasibility of a "video on demand service that is provided from a centralized location over a digital network. The video on demand service is considered to be a service similar to the currently popular videotape rental services. The problem is divided into two parts: communications and database access. It is argued that the incremental communications ...

1 Abstract In this paper, we evaluate storage system alternatives for movies-on-demand video servers. We begin by characterizing the movies-on-demand workload. We brieey discuss performance in disk arrays. First, we study disk farms in which one movie is stored per disk. This is a simple scheme, but it wastes substantial disk bandwidth, since disks holding less popular movies are under-utilized...

A signiicant driver for the consumer use of high bandwidth in the near future will be interactive video on demand (IVOD). A range of service types can be deployed, based on a diiering sophistication, which must be traded against the network costs (bandwidth) and component costs (switch complexity and memory). The potential aggregate bandwidth required is huge (O(1Pbps)), and thus it is essentia...

Cost-effectiveness is of foremost importance for large scale VoD systems. We assume a VoD system where each video is split into two parts, the prefix and the suffix. We consider two new architectures: One architecture where the clients are equipped with set-top boxes that allow to store locally the prefix part of some/all popular videos and second architecture where the suffix is transmitted vi...

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–Interactive multimedia systems represent a key technology rapidly evolving from marketing hype and research prototypes to commercial deployments. Supporting truly interactive multimedia services requires providing personalized, dedicated channels or sessions for each user. For these services, the user has complete control over the session and has the freedom to explore the depth of both live a...