Overview of Video on Demand Systems

Topics: Video, Video quality / Pages: 19 (4521 words) / Published: Oct 9th, 1999
Overview of Video On Demand Systems

Joseph Newcomer

SCOPE INTRODUCTION THE INITIATIVE FOR WORLDWIDE MULTIMEDIA TELECONFERENCING AND VIDEO SERVER STANDARDS NEW BUSINESS IMPERATIVES STARTING WITH STANDARDS TWO STANDARDS, ONE GOAL STANDARDS FIRST SUMMARY CONTENT PREPARATION: REQUIREMENTS: CODECs/Compression Object Oriented Database Management Systems Encoding Verification SUMMARY VIDEO SERVER REQUIREMENTS LIMITATIONS PRODUCTS DISTRIBUTION NETWORK: LAN TYPES PROTOCOLS WAN TYPES

SCOPE

Video on demand has evolved as a major implementation problem for network integrators. Clients want the ability to retrieve and view stored video files asynchronously at near broadcast quality, on a local host. Some problems integrators face to achieve this goal include: video content preparation, server storage, network throughput, latency, client interfaces, quality of service, and cost. This paper addresses the design considerations for a private video on demand implementation.

INTRODUCTION

The Initiative for Worldwide Multimedia Teleconferencing and Video Server
Standards

The market for multipoint multimedia teleconferencing and video server equipment is poised for explosive growth. The technology for this necessary and much- anticipated business tool has been in development for years. By the turn of the century, teleconferences that include any combination of video, audio, data, and graphics will be standard business practice.

Compliance with teleconferencing standards will create compatible solutions from competing manufacturers, feeding the market with a variety of products that work together as smoothly as standard telephone products do today. Specifically, with the adoption of International Telecommunications Union (ITU) recommendations
T.120, H.320 and H261, multimedia teleconferencing equipment manufacturers, developers, and service providers will

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