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Delay Tolerant Network (DTN) is evolved from Mobile Adhoc Network, MaNet. It is sparse and intermittently connected mobile adhoc network where reliable communication and end-to-end connectivity is not available for message transmission. The end to end connectivity is not ensured in Delay Tolerant Network. Only high latency applications are used in DTN. Latency may be in hours or days. The store and...
Opportunistic Network is a special kind of mobile Ad Hoc network in which communication nodes are sparsely distributed in the network area and the communicating opportunities between the nodes are created by the moving and encounter of the nodes. Achieving reliable data transmission in Opportunistic Networks is a great challenging task because there is no contemporaneous path between source and destination...
Security has become a primary concern for providing communication in mobile ad hoc networks(MANET). Compared with a fixed network, a MANET is more vulnerable to attacks such as passive eavesdropping, data tampering and so on, so it is necessary to encrypt transmitted data to ensure its confidentiality. However, in a resource-constrained MANET, the mobile devices have limited capabilities in computation,...
A fundamental issue arising in mobile ad hoc networks (MANETs) is the selection of the optimal path between any two nodes. A method that has been advocated to improve routing efficiency is to select the most stable path so as to reduce the latency and the overhead due to route reconstruction. In this work, we study both the availability and the duration probability of a routing path that is subject...
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