Fig. 6 and Fig. 7 show the delivery ratio comparisons, for Optimized-AODV, AODV and DSDV for
100 nodes and 1000 nodes respectively. In the case of high mobility, only Optimized-AODV
performs well, delivering most of the data packets. DSDV performs worst due to its simply
dropping data packets for which there is no valid route. With the mobility decreasing, the routing
status becomes relatively stable. Fig. 7 shows the case of higher node density, in this case
performance of DSDV is worst, and Optimized-AODV still gives stable performance, as more
numbers of paths are available to send the packets. At the low mobility end the performance of all
three protocols is close. When nodes are not moving path finding process is not required. Hence
we observe that Optimized-AODV gives stable results.