Design and Performance of QOSRGA Protocol for Mobile Adhoc Networks
QoS Routing for Mobile Ad Hoc Network (MANET) generally posses several challenges that must be addressed. In selecting the best route from source to destination, one has to choose from a set of routes with the corresponding quality of connectivity and resources. Due to the nature of node mobility the protocol demands an exceptional performance. It needs to select a single route with the longest residual node-pair connectivity time simultaneously. As the name implies, QOSRGA (QoS Routing Using GA) was designed to select QoS route based on QoS metrics such as bandwidth, delay and node connectivity index (nci). The design of QOSRGA and its choice of parameters are elaborated. The performance considered here is the effect of mobility and node density on the average packet delivery ratio, average packet end to end delay and total average throughputs.
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