Nt1310 Unit 1 Exercise 1

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A mobile ad hoc network (MANET) is a collection of mobile devices that are connected by wireless links while not the utilization of any fixed infrastructures or centralized access points. In MANET, every node acts not only as a host however also as a router to forward messages for different nodes that don't seem to be among the same direct wireless transmission range[1]. every device in a very MANET is free to move independently in any direction, and can thus modification its links to different devices frequently. MANETs are much more vulnerable and are susceptible to numerous kinds of security attacks [2].
These nodes have routing capabilities which permit them to make multihop paths connecting node that aren't within radio range. The routing …show more content…
in the figure one the RREQ message is broadcasted from source node A to the destination node B. The RREQ message is shown by the black line from source node A to several directions. The source node A broadcasts the RREQ message within the neighbor nodes [9]. Once the neighbor nodes receive the RREQ message it creates a reverse route to the source node A. This neighbor node is that the next hop to the source node A. The hop count of the RREQ is incremented by one. The neighbor node can check if it's an active route to the destination or not. If it's a route, then it'll forward a RREP to the source node A. If it doesn't have an active route to the destination, then it'll broadcast the RREQ message within the network once more with an incremented hop count value. The figure one shows the procedure for locating the destination node B [9]. The RREQ message is flooded within the network in searching for finding the destination node B. The intermediate nodes can reply to the RREQ message only if they have the destination sequence number (DSN) adequate to or larger than the number contained within the packet header of RREQ
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