Browsing by Author "Mbugua, Samuel M"

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An optimized model for transition from Ipv4 to Ipv6 networks in a cloud computing environment
(International Journal of Computer Networks and Communications Security, 2018) Barasa, Samuel W; Mbugua, Samuel M; Karume, Simon M
The paper proposes a novel optimized model for transition from IPv4 to IPv6 networks. The aim of this paper is to design the Original IPv6 Transition Controller Application and compare its performance with 6to4 tunneling using OPNET 17.5 with identical traffic and network loads. The analysis is based on an experimental design with simulation for better, faster and a more optimized solution through empirical measure of the process. The OPNET Modeler simulator was used to accurately model and predict the behavior of the real world system. The purpose of such detailed modelling efforts and analysis was evaluated using distinct performance metrics: data access (measured through response times of database queries), video conferencing (measured through video packet delay variations and end-to-end packet delays), and IP telephony voice communications (measured through jitters, mean opinion score, packet delay variations, and end-to-end packet delays). The paper presents the redesigned network model for ensuring that the IPv6 Transition Controller can control all the voice, video, and data sessions through “traffic recognition and routing” and also verifying the ToS status of the traffic and controlling the prioritization accordingly using IPv6 Transition App. The final results show that the model is optimized besides, focusing on traffic recognition, routing and prioritization, it ends up being the best design concept to achieve IPv6 deployment and high quality of service.