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With the increase in user mobility, there is need for seamless handover when mobile applications and services are being used especially in the context of vehicular Ad-Hoc NETworks (VANET), in order to enhance the user experience thus affecting the quality of service. This paper looks at VANET with WiMAX with a vehicle moving at speeds of up to 120 km/h. Real time applications like Voice over Internet protocol (VoIP) and Video conferencing have stringent requirements on delay. The network layer that is being considered in this case is IPv6. In the case of VoIP this affects echo and speech overlap in the system.
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