A Delay Tolerant Network (DTN) is a mesh network designed to operate effectively over great distances. DTNs have not custom to vindicate complete track from source to destination most of the time during communication. Existing data routing approaches used in DTNs were based on multi-copy routing. However, these existing methods incur overhead due to exorbitant transmissions and increases seer side processing. Hence there is a necessity to propose an optimal path routing algorithm to overcome the above issues. The optimal path routing reduces the proposition of message dropping and wax the throughput. The design approximate also uses random path generation that can reveal the path that affirms active connection for a longer duration to achieve a desired routing delay. In addition, this system has an effective buffer management mechanism to increase throughput and decrease routing delay. The analysis and as well as the simulation results clearly shows that the optimal path routing algorithm, provides high throughput and low routing delay compared to existing routing approaches.(ICCC-2015) 402 M. Sindhuja et al. / Procedia Computer Science 48 ( 2015 ) 401 -407
A mobility-assisted scheme called efficient flooding scheme is provided to achieve the high probability of trust convergence. Trust will be defined as the belief in the capability of an entity (node) to proceed reliably, securely and dependably within a specified context. It represents a MANET participant's hope of other nodes' behavior while assessing the risk involved in future interactions. Here, the participant, called the trustor, and other nodes are said to be trustee. The trust relationship usually builds on the basis of the trust or's past direct interaction experiences and others' recommendations related to the trustee. The abstracted value from precedent experiences and from recommendations is defined as the trustee's reputation. The proposed mobility assisted scheme, an efficient flooding scheme which is based on node's mobility. The efficient flooding scheme is based on one-hop neighbor that leads to reduction of number of forwarding nodes. This scheme offers a handy tradeoff between delay, cost, packet delivery and trust ratio which leads to uncertainty reduction.
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