数字生活网络联盟(DLNA)家用网络装置互用性指南.第3部分:链路保护

[中文适用范围]： IEC 62481 的这一部分指定了 DLNA 链路保护指南@，它是 DLNA 指南的扩展。 DLNA 链路保护被定义为使用 IEC 62481 本部分中定义的协议保护 DLNA 网络上两个设备之间的内容流免遭非法观察或拦截。内容保护是确保商业内容免遭盗版的重要机制和非法再分配。链接保护是一种能够在家庭网络@上分发受保护的商业内容的技术，从而为消费者带来更大的灵活性，同时仍然保留版权所有者和内容提供商的权利。 IEC 62481 这一部分中的指南参考了现有的链路保护技术，并提供了不同实现之间的互操作性以及与 DLNA 架构集成的机制。 [外文原描述]： IEC 62481-3:2013(E) specifies the DLNA link protection guidelines, which are an extension of the DLNA guidelines. DLNA link protection is defined as the protection of a content stream between two devices on a DLNA network from illegitimate observation or interception using the protocols defined within this part of IEC 62481. It references existing technologies for Link Protection and provide mechanisms for interoperability between different implementations as well as integration with the DLNA architecture. This second edition cancels and replaces the first edition published in 2010 and constitutes a technical revision. It includes the following changes: - includes variable play (trick mode) support; - includes updates to resolve interoperability issues.