Share Email Print
cover

Proceedings Paper

Video on demand
Author(s): John R. Hayes; Martin Kerner
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

Video on demand (VOD) is expected to be the first of many Video Dial Tone (VDT) services that will bring broadband connections to residential customers. Significant research is being undertaken to identify cost effective broadband access technologies. However, much less effort has been expended on video servers and backbone architectures. In this publication we highlight what we believe are the issues relevant to obtaining a critical understanding of the VDT architecture. These issues are shared between the video server and its storage elements, and the placement of key architectural elements (transport, storage and switching) within the network. In particular, it will be argued that establishing a balance between centralized and distributed storage of movies plays a key role in optimizing the backbone network. It also places new requirements on server architecture. Intuitively, storing copies of popular movies close to the users (e.g. in the central office) reduces demand on the network, while hauling movies from a central storage location (e.g. the VIP site) potentially increases utilization of storage resources and hence the number of movies in the system and the resulting cost of storage.

Paper Details

Date Published: 3 November 1994
PDF: 11 pages
Proc. SPIE 10278, Defining the Global Information Infrastructure: Infrastructure, Systems, and Services: A Critical Review, 1027813 (3 November 1994); doi: 10.1117/12.192206
Show Author Affiliations
John R. Hayes, Bell Communications Research (United States)
Martin Kerner, Bell Communications Research (United States)


Published in SPIE Proceedings Vol. 10278:
Defining the Global Information Infrastructure: Infrastructure, Systems, and Services: A Critical Review
Stephen F. Lundstrom, Editor(s)

© SPIE. Terms of Use
Back to Top