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MPLS技术是目前业界普遍看好的解决IP骨干网中QoS问题的一种技术。本文首先介绍了MPLS网络中实现QoS的两种业务模型：综合业务(Integrated Service)模型和区分业务（Differentiated Service）模型，然后仔细分析了MPLS网络中资源管理的问题──虚拟网资源管理和LSP的管理。
MPLS technology is currently a generally favored technology in the industry to solve the QoS problem in the IP backbone network. This paper first introduces two kinds of business models of QoS in MPLS network: Integrated Service model and Differentiated Service model, and then carefully analyzes the problem of resource management in MPLS network ─ ─ virtual network resource management and LSP Management.