灵活的媒体点播内容保护系统

Fourth International Symposium on Multimedia Software Engineering, 2002. Proceedings. Pub Date : 2002-12-11 DOI:10.1109/MMSE.2002.1181623

Jian Zhang, Y. Pei, D. Xie

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引用次数: 5

摘要

从传统的视频点播发展而来的媒体点播(MOD)，在当前和可预见的未来都是运营商重要的增值业务。本文介绍了一种灵活的MOD内容保护系统，即按需内容保护(ODCP)。ODCP系统不依赖于传统的条件接入系统，可以同时应用于互联网和有线环境。它支持单播和多播内容分发，其播放器既可以是PC上的应用程序，也可以是机顶盒之类的设备。在ODCP中，内容从端到端受到保护。没有MOD服务提供商的授权，用户无法播放该内容。使用规则可以与授权绑定，以便服务提供者可以指定用户如何以及何时可以使用内容。

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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A flexible content protection system for media-on-demand

The media-on-demand (MOD), derived from traditional Video-on-Demand, is a significant value-added service for operators in the present and the foreseeable future. This paper introduces a flexible content protection system for MOD, named on demand content protection (ODCP). The ODCP system does not rely on the conventional conditional access system, and can be applied in both Internet and cable environment. It supports unicast and multicast content distribution and its player can be either an application on PC or a device such as a set-top box. In ODCP, contents are protected from end to end. A user cannot play the content without an entitlement from the MOD service provider. A usage rule can be bound with the entitlement, so that the service provider can specify how and when the user could use the content.

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Fourth International Symposium on Multimedia Software Engineering, 2002. Proceedings.

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