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作为下一代网络的关键技术,多协议标签交换(MPLS)技术以其支持流量工程和QoS保证在IP网络扮演着越来越重要的角色。介绍了MPLS的概念、组成,详细分析了其工作原理及其承载的各种应用,为打造支持未来3G业务的精品IP承载网提供了一些参考。
As the key technology of NGN, Multiprotocol Label Switching (MPLS) technology plays an increasingly important role in IP network with its support of traffic engineering and QoS guarantee. Introduces the concept and composition of MPLS, analyzes its working principle and various applications of bearer in detail, and provides some references for building a good IP bearer network supporting future 3G services.