Mechanisms for Inter-domain QoS Routing in Differentiated Service Networks
QofIS '00 Proceedings of the First COST 263 International Workshop on Quality of Future Internet Services
Quality-of-service routing for supporting multimedia applications
IEEE Journal on Selected Areas in Communications
IEEE Network: The Magazine of Global Internetworking
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Recently MPLS is used for building up VPNs in IP backbone, called MPLS VPNs. In this paper, we discuss issues on finding routes with QoS requirements (i.e., QoS routing) in MPLS VPNs. We first present background on MPLS VPNs as well as QoS routing. Then we discuss both the benefits and problems resulted from introducing QoS routing into MPLS VPNs. We particularly present an architecture of MPLS VPNs with QoS routing capability, on which we discuss some important issues on running QoS routing in MPLS VPNs.