Study of delay patterns of weighted voice traffic of end-to-end users on the VoIP network
International Journal of Network Management
VoIP over MPLS Networking Requirements
ICN '01 Proceedings of the First International Conference on Networking-Part 2
Bandwidth-delay constrained routing algorithms
Computer Networks: The International Journal of Computer and Telecommunications Networking
Call routing management in enterprise VoIP networks
Proceedings of the 2007 SIGCOMM workshop on Internet network management
Resource optimization algorithms for virtual private networks using the hose model
Computer Networks: The International Journal of Computer and Telecommunications Networking
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This article addresses the problem of designing capacity management and routing mechanisms to support telephony over an IP network. For this service, we propose two distinct architectural models. The first relies on enhancements to the basic IP infrastructure to support integrated service transport and QoS routing. The second assumes that the IP network can support an overlay virtual private network with dedicated capacity for the VoIP service, thereby allowing standard capacity management and routing mechanisms from circuit-switched networks to be reused. We evaluate the performance of these two architectural models and their-associated policies via simulations using configuration and usage data derived from operational networks