Packet End To End Delay in Voice

Packet end to end delay should be always less for a better quality of service. In general voice quality is enhanced when the end to end packet delay is reduced and the actual comparison graph is as shown below

packet end to end voice

It can be observed from the above graph that the overall packet end to end delay is more with the case of DSR routing protocol. In general the behavior of DSR will impose more packet delay overhead across the wireless LAN server. When the case with AODV routing protocol is considered the overall end to end packet delay is reduced and thus from the overall analysis it can be concluded that again AODV is the best routing protocol to enhance the quality of voice application. 

Thus when all the performance metrics are considered for voice application it can be observed that, the overall quality of the voice application can be enhanced when the routing protocol is AODV. The hybrid nature of the TORA routing protocol has affected few metrics of voice and the overall contribution is good. DSR is not suited for voice applications and the overall quality has reduced due to this routing protocol.


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