Performance of MPLS-based Virtual Private Networks and Classic Virtual Private Networks Using Advanced Metrics

Kennedy Okokpujie, Olamilekan Shobayo, Etinosa Noma-Osaghae, Okokpujie Imhade, Obinna Okoyeigbo


Multiprotocol Label Switching (MPLS) is effective in managing and utilizing available network bandwidth. It has advanced security features and a lower time delay. The existing literature has covered the performance of MPLS-based networks in relation to conventional Internet Protocol (IP) networks. But, too few literatures exist on the performance of MPLS-based Virtual Private Networks (VPN) in relation to traditional VPN networks. In this paper, a comparison is made between the effectiveness of the MPLS-VPN network and a classic VPN network using simulation studies done on OPNET®. The performance metrics used to carry out the comparison include; End to End Delay, Voice Packet Sent/Received and Label Switched Path’s Traffic. The simulation study was carried out with Voice over Internet Protocol (VoIP) as the test bed. The result of the study showed that MPLS-based VPN networks outperform classic VPN networks.


MPLS, VPN, performance metrics, load, throughput.

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TELKOMNIKA Telecommunication, Computing, Electronics and Control
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