An experimental ATM-based video-on-demand system on a Macintosh platform

Proceedings of LCN - 21st Annual Conference on Local Computer Networks Pub Date : 1996-10-31 DOI:10.1109/LCN.1996.558132

Mengjou Lin, D. Singer

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引用次数: 3

Abstract

Video-on-demand (VOD) systems can support multiple concurrent video accesses with guaranteed user-controlled quality of service (QoS). The growth of VOD systems is driven by the increasing need for distributed multimedia applications such as company training, distance learning, telemedicine, and home entertainment. We propose and demonstrate an ATM-based (asynchronous transfer mode) VOD system (including VOD servers, clients and connection networks) based on a Macintosh platform. ATM is a promising network standard which may satisfy various requirements of VOD systems. In this VOD system, time-based data are encoded and decoded using the MPEG (Moving Picture Experts Group) standard. Issues related to VOD system design, including the multimedia programming environment, the required system modification to support remote MPEG playback, ATM networking, process scheduling, and buffer management for both VOD servers and clients, are discussed and analyzed based on the Macintosh platform. A prototype VOD system is used to explore the design issues proposed. The Macintosh platform provided an efficient and jitter-free VOD system supporting MPEG movie playback through ATM networks.

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在麦金塔平台上基于atm的实验性视频点播系统

视频点播(VOD)系统可以支持多个并发视频访问，并保证用户控制的服务质量(QoS)。VOD系统的增长是由对分布式多媒体应用(如公司培训、远程学习、远程医疗和家庭娱乐)日益增长的需求所驱动的。我们提出并演示了一个基于Macintosh平台的atm(异步传输模式)VOD系统(包括VOD服务器、客户端和连接网络)。ATM是一种很有发展前景的网络标准，可以满足视频点播系统的各种需求。在该VOD系统中，基于时间的数据采用MPEG (Moving Picture Experts Group)标准进行编码和解码。讨论和分析了基于Macintosh平台的VOD系统设计的相关问题，包括多媒体编程环境、支持远程MPEG播放所需的系统修改、ATM组网、进程调度以及VOD服务器和客户端的缓冲区管理。通过一个视频点播系统原型，对提出的设计问题进行了探讨。Macintosh平台提供了一个高效且无抖动的VOD系统，支持通过ATM网络播放MPEG电影。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of LCN - 21st Annual Conference on Local Computer Networks

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