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QoS and service interworking using constraint route label distribution protocol (CR-LDP)

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2 Author(s)

Introducing quality of service features to the IP/TCP protocol suite has become a hot topic of research in both industry and academia. Several architectures have been proposed for QoS support at the network layer (layer 3 in the OSI model). Both integrated services and differentiated services architectures are examples of QoS models that are implementable at the IP layer. Another development at the IETF is the work related to traffic engineering using multiprotocol label switching. While traffic engineering covers a wide range of topics, QoS support is recognized as one of its necessary features. This article describes the QoS features of the constraint-route label distribution protocol and how they can be efficiently utilized to achieve service interworking between a number of different networking technologies

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IEEE Communications Magazine  (Volume:39 ,  Issue: 5 )