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引用次数: 7
摘要
对于跨多个AS(自治系统)域网络提供qos保证的实时多媒体差异化服务，使用SIP/SDP配置会话和使用UNI和NNI信令(即RSVP-TE)建立双向连接是必不可少的。此外，必须提供可扩展的传输网络方案，以便配置可扩展的每类类型qos保证的数据包处理，并提供可扩展的连接允许控制(CAC)。本文分析了基于SIP/SDP、RSVP-TE、cop (common open policy service)的CAC和qos保证的虚拟覆盖网络的会话和连接管理的功能体系结构。我们还评估了跨多个自治系统(AS)域网络的可扩展qos保证的DiffServ配置的功能模块之间的整体交互过程。
Inter-AS session & connection management for QoS-guaranteed DiffServ provisioning
For QoS-guaranteed realtime multimedia differentiated services provisioning across multiple AS (autonomous system) domain network, session configuration with SIP/SDP and bidirectional connection establishment using UNI & NNI signaling (i.e., RSVP-TE) are essential. Also, a scalable transit networking scheme must be provided so as to configure scalable per-class-type QoS-guaranteed packet processing and to provide scalable connection admission control (CAC). In this paper, we analyze the functional architecture of session & connection management with SIP/SDP, RSVP-TE, COPS (common open policy service)-based CAC and QoS-guaranteed virtual overlay networking. We also evaluate the overall interaction procedure among functional modules for scalable QoS-guaranteed DiffServ provisioning across multiple autonomous system (AS) domain networks.
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