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MANETs have some special characteristics such as open network architecture, shared wireless medium and highly dynamic topology which make them much prone to different attacks. Denial of service (DoS) attack, the most common of all, if occurs becomes difficult to detect and defend. One of such attacks is JellyFish attack which is further categorized as JF Reorder Attack, JF Periodic Dropping Attack...
All Denial of Service Attacks (DoS) is malignant. Their occurrence in the network affects the entire network performance. Dropping attack either Packet Dropping or Datagram Dropping is DoS in nature. Both these attacks occur corresponding to Transport layer of Mobile Ad hoc Network (MANET) stack which affects the entire functionality of transport layer. In this paper we have discussed a novel kind...
In sparse mobile ad hoc networks, to assure the packet delivery ratio and to trim down the transmission delay is the challenging tasks while routing protocols are designed. Routing protocols for the sparse networks based on the epidemic theory had shown the improved performance in the aspect of getting better transmission successful rate and reducing the delay. In epidemic routing, messages are distributed...
Mobile ad hoc network is coordinated without fixed infrastructure. In the conservative AODV routing protocol, source node always forwards RREQ (Route Request) packet to neighbour for finding path to the destination node. The intermediary (neighbour) node having less lifetime or energy, as well forwards RREQ and lifetime expires after some certain time, i.e. node goes down; it cannot forward RREP (Route...
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