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首先论述了MPLS和区分服务的引入背景,接着分别简要介绍这两种技术的原理,分析它们结合的合理性,最后重点介绍这两种技术结合的几种方案,即在MPLS上实现区分服务的方案,包括基本的MPLS解决方案、E-LSP、L-LSP及扩展的MPLS解决方案等,并阐述了区分服务在MPLS上的实现机制。
First of all, it introduces the introduction background of MPLS and differentiated services. Then it briefly introduces the principle of these two technologies and analyzes the rationality of their combination. Finally, it mainly introduces several schemes combining these two technologies, that is, differentiating service on MPLS Solutions, including basic MPLS solutions, E-LSPs, L-LSPs and extended MPLS solutions. The mechanism for differentiating services over MPLS is also described.