[PDF] Top 20 Guard against cooperative black hole attack in Mobile Ad-Hoc Network

... A mobile ad-hoc network is an autonomous network that consists of nodes which communicate with each other with wireless ...nodes, mobile ad hoc networks are more ... See full document

... Mobile ad-hoc networks are prone to various security vulnerabilities because of its characteristics mainly high mobility of nodes, and no well defined ...on Mobile ad-hoc ... See full document

... A Mobile Ad hoc Networks (MANETs) is defined as a wireless network of mobile nodes communicating with each other in a multi-hop fashion without the support of any fixed ... See full document

... each mobile nodes antennas to defend against wormholes and maintain an directional scheme ie sender node sends packets in a given direction and receiver packet will get that packet from the opposite ... See full document

... In this paper we present a mechanism capable of detecting and removing the malicious nodes launching these two types of attacks. Our approach consists of an algorithm which works as follows. Instead of sending the ... See full document

... a black-hole attack, a malicious node impersonates a destination node by sending a spoofed route reply packet to a source node that initiates a route discovery thereby creating a threat to the ... See full document

... gray hole attack on MANETs. The gray hole attack has two ...stages. In the first stage, a attacker exploits the AODV protocol to advertise itself as having a valid route to a ... See full document

... The Ad hoc On Demand Distance Vector (AODV) routing algorithm is a routing protocol designed for ad hoc mobile networks [6] ...of mobile nodes ...node in the route tables. ... See full document

... communication in areas where setting up fixed infrastructures is not a suitable option constraints such as geographical location, financial implications, etc; (c) it can be set up in emergency situations ... See full document

... However, in mobile network, the convergence of virtual ants to one best route, could not be a desir- able ...situation. In mobile networks, the bandwidth is scarce and an overload of ... See full document

... efficiency in the fuzzy-based ...clustering. In FCM, each data point belongs to a cluster to degree specified by a membership ...center in each group such that the dissimilarity is minimized. ... See full document

... processing in mobile databases has been presented in (Saha and Chowdhury, ...the mobile database server for broadcasting through a channel of larger ...The mobile devices can retrieve ... See full document

... Aware Ad hoc On- demand Multipath routing Protocol (LSEA) is proposed, which adapts a delay function, link quality and battery remaining ...ratio, network lifetime and side effects of time delayed ... See full document

... destinations in the network. The information available in neighbours and topology tables are the base of routing table in OLSR, each node re-calculates its routing table if any changes occur ... See full document

... Wireless Mobile Ad-hoc network is upcoming next generation ...wireless mobile nodes which are connected wirelessly. Nodes may be highly mobile because the beauty of wireless ... See full document

... nodes in the ...node in the communication path maintains a sequence number which also act as a ...participates in the ...path in the networks. 2.1. Black Hole Attack ... See full document

... Routing in MANET using the shortest hop count is not a sufficient condition to construct high-quality routes, because minimum hop count routing often chooses routes that have significantly less capacity than the ... See full document

... reasons, in [4] we have decided to investigate classes of graphs that at least include the clique ...networks in which the underlying topology is in between the class of cliques and the strictly ... See full document

... stored in a routing table and is exchanged among all neighbors using a status flag with RREQ ...are in the routing table, whenever the source node sends data to the ...Strength in the protocol can be ... See full document

... self-configurable mobile nodes. Several routing protocols are proposed for ad hoc network among which DSR and AODV On demand routing protocols are mostly ...large network because packet ... See full document