Evaluating the Impact of Routing and Queuing Techniques on the QoS of VoIP Over IP/MPLS Networks

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Provided by: The International Journal of Innovative Research in Computer and Communication Engineering
Topic: Networking
Format: PDF
In this paper, the authors describe performance evaluation of VoIP over IP/MPLS networks using OPNET tool. The simulation study is completed by running VoIP application in different network scenarios with different interior routing protocols; namely: RIP, OSPF and EIGRP and with different queuing techniques to measure quality of service. However, the main network model is built of TCP/IP routers with MPLS routers in the core of the network case study (middle). This model enables different TCP/IP networks communicating to each other through the MPLS core routers.
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