VoIP Codec Performance Evaluation on GRE with IPsec over IPv4 and IPv6

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dc.contributor.authorOdim, Mba
dc.date.accessioned2022-03-01T10:07:29Z
dc.date.available2022-03-01T10:07:29Z
dc.date.issued2021
dc.description.abstractScientists succeeded in implementing conventional public switch telephone network (PSTN) into internet protocol by launching H.323 IP telephony. The irrelevant and unknown captions in H.323, computer scientists have replaced H.323 by Session Initiation Protocol (SIP) for Voice-over-IP (VoIP). However, the security of voice communication over IP is still a major concern. Besides, security and performance contradict features. VoIP exhibits a quality-of-service requirements that are sensitive to time. Example of such QoS requirements are delay, jitter, and packet loss. Integrating Internet Protocol Security (IPsec) with Generic Routing Encapsulation (GRE) encrypts and authenticate packets from the sender to receiver, but that raises the question of performance as VoIP is time sensitive. Consequently, three codecs were evaluated to determine the efficiency of each on GRE and IPsec implementation on Internet Protocol version 4 and Internet Protocol version 6 (IPv4 and IPv6), respectively. The topology design and device configuration in this study adopted Graphic Network Simulator 3 (GNS3) and Distributed Internet Traffic Generator (D-ITG) to generate VoIP traffic. The evaluation revealed that the G.723.1 codec achieved better results on IPv4 and IPv6 over GRE with IPsec than other codecs used in the experiment. Furthermore, the codec of choice is a major factor in IPsec VoIP deployment, as also revealed in this study.en_US
dc.identifier.urihttp://dspace.run.edu.ng:8080/jspui/handle/123456789/1521
dc.language.isoenen_US
dc.publisherAdvances in Science, Technology and Engineering Systems Journal (ASTES)en_US
dc.titleVoIP Codec Performance Evaluation on GRE with IPsec over IPv4 and IPv6en_US
dc.typeArticleen_US
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