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Multipath routing in adhoc networks increases the resiliency against security attacks of collaborating malicious nodes, by maximizing the number of nodes that an adversary must compromise in order to take control of the communication. The multipath routing along with SDMP and WEP to allow the receiver to reconstitute the original message in the correct order. So fault tolerance problem can also use...
We propose an efficient method to re-allocate resources available on Mobile Ad-hoc Networks in the event of a network attack or a node failure. By utilizing a structure we call a resource fitness cache, we identify a way to reduce the number of messages required to find a suitable replacement resource among remaining nodes on the network, assuming that redundancy is present in among the resources...
Efficiently discovering services in terms of diversified service constraints in a dense MANET is a challenging issue. This paper proposes to build a distributed suffix tree on backbone nodes as XML-based services?? index to provide a concise profile for service descriptions. Moreover, a content-addressable P2P overlay and corresponding fault-tolerance mechanisms are introduced to support the distributed...
In this paper, we investigate the transmission-power assignment problem for k-connected mobile ad hoc networks (MANETs), the problem of optimizing the lifetime of a MANET at a given degree k of connectivity by minimizing power consumption. Our proposed solution is fully distributed and uses a model-based transmission power adaptation strategy based on model-predictive control. Specifically, a stochastic...
Multicast routing protocols based on shared trees employ one or more rendezvous points (usually called cores) for coordination. To address fault tolerance in case of core failure, multiple cores can be deployed. The location of cores is crucial for the performance of the protocol. In this context, the problem of finding the location for the cores is similar to the (k, r)-predominating set problem,...
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