ad hoc wireless - How to inform nodes in MANET during route discovery process regarding the receivng of route reply packet by the source

A node which uses an on-demand routing protocol in a mobile ad hoc network when requires to send a packet to another node which is not in the radio coverage range, would do it by initiating a route request flooding process. Route Request flooding is the process of broadcasting a route request packet to all the neighbor nodes. The neighbor nodes in turn rebroadcast to their neighbors unless they have a fresh route to the destination node or they have already seen the packet before. My doubt is when any node which possesses a valid route to the d...Read more