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Smarter policy decisions based on metadata in data flows

机译：基于数据流中的元数据的更明智的策略决策

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摘要

Modern day user applications leverages new communication technologies such as WebRTC, WebEx, and Jabber allow devices to connect and exchange media content including audio streams, video streams, and data stream/channels. The present disclosure describes mechanisms for a Port Control Protocol (PCP) server to provide feedback to PCP clients to enforce certain policies on the transport of such media content for a network. A policy may include a traffic handling policy for enforcing differentiated quality of service characteristics for different types of media streams. Another policy may include a security policy ensuring a data files being transmitted over a data channel from one endpoint travels to a security application via a relay element before the packets reaches another endpoint. The mechanisms are transparent to the endpoints, and advantageously preserve the user experience for these user applications.

机译：当今的用户应用程序利用WebRTC，WebEx和Jabber等新的通信技术，使设备可以连接和交换媒体内容，包括音频流，视频流和数据流/通道。本公开描述了用于端口控制协议（PCP）服务器向PCP客户端提供反馈的机制，以对网络上此类媒体内容的传输实施某些策略。策略可以包括用于针对不同类型的媒体流强制实施区分的服务质量特性的流量处理策略。另一策略可以包括安全策略，该安全策略确保在数据包到达另一端点之前，通过一个中继元素通过一个中继元素将数据文件从一个端点传输到数据安全应用。这些机制对端点是透明的，并有利地保留了这些用户应用程序的用户体验。

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公开/公告号US9282040B2

专利类型
公开/公告日2016-03-08

原文格式PDF
申请/专利权人 CISCO TECHNOLOGY INC.;
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申请/专利号US201414255701
发明设计人 K. TIRUMALESWAR REDDY;RAM MOHAN RAVINDRANATH;MUTHU ARUL MOZHI PERUMAL;DANIEL G. WING;WILLIAM C. VERSTEEG;
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申请日2014-04-17
分类号H04L12/801;H04L12/911;H04L29/06;H04L29/08;
国家 US
入库时间 2022-08-21 14:27:48

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