routing layer in wsn



AODV: Ad hoc On Demand Distance Vector

AODV is a pure on-demand route acquisition algorithm: nodes that do not lie on active paths neither maintain any routing information nor participate in any periodic routing table exchanges. Further, a node does not have to discover and maintain a route to another node until the two need to communicate, unless the former node is offering services as an intermediate forwarding station to maintain connectivity between two other nodes.