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RERRRoute Error
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List of notations for conditioning events Notation Description Ebl Source-RREQ-black-list error counter Enrri No reverse route error counter Enrrd No reverse route error counter Notation Conditioning Event Ebl [E.sub.BL] > to-call counter of process RREQ Enrri [E.sub.NRRI] > from-call counter of process RREP on intermediate node Enrrd [E.sub.NRRD] > from-call counter of generates RREP on destination node Table 6.
* Forging attack [25] : A bad node changes and broadcasts to the prey node Route Error packets resulting in repeated link features.
Since less MAC errors, less route errors, and less route changes provokes lower routing overhead in the network.
RM-LSP involves only the end nodes of the weak link to fix the link break problem (Local repair) and hence the network is not flooded with route error message, which decreases the performance of the network.
We add one field to the route error packet of DSR named Malicious.
If a node detects a link break during route maintenance phase, it sends a Route Error (RERR) packet to the source node.
The old MR of the MC floods route error message in the entire network telling other MRs to delete the outdated MC entry from their routing table.
By using RERR (route error), AODV provides the route maintenance feature.
When an active link breaks, the upstream node of broken link broadcasts a route error (RERR) message to the source.
If a link break occurs while the route is active, the node upstream of the break propagates a route error (RERR) message to the source node to inform it of the now unreachable destination(s).
When nodes encounter a fatal transmission problem at its data link layer, it removes the route from its route cache and generates a route error message.
In ARA, the new route discovery actions are never initiated unless and otherwise the source receives any route error message notification.