Mobile Ad hoc Networks were wellthoughtout as the independent deployment of mobile nodes. It is eminently said that MANET is a self configuring infrastructure less network that do not count on centralized and organized connectivity of mobile nodes. Military networks, Disaster relief efforts are some common instance of Mobile Ad hoc Networks. MANET showed the way for a new form of network namely Intermittently Connected Mobile Ad hoc Network (ICMANET) which is prominently a Delay Tolerant Network. MANET leads to ICMANET due to sparse or high mobility in the networks. The significance of such networks is that they don't ever hold a complete endtoend connectivity between nodes. Exemplary examples of intermittent network includes Wildlife Management, Military Surveillance etc. Enormous research works attest massive possible methodologies for efficiently forwarding packets between nodes. The routing methodologies indict mostly the traditional routing protocols akin to AODV, DSR. The exigent factor of ICMANET is to route packets where such traditional protocols do not overlay a resourceful forwarding of data packets. In this paper, we put forward a survey of prevailing routing paradigms that explore techniques for routing along with virtues and shortcomings.

The Wireless and the Mobile Networks appear to provide a wide range of applications. Following these, the Mobile Ad hoc Networks (MANET) aid in wide development of many applications. The achievement of the real world applications are attained through effective routing. The Intermittently Connected Mobile Ad hoc Network (ICMANET) is a sparse network where a full connectivity is never possible. ICMANET is a disconnected MANET and is also a Delay Tolerant Network (DTN) that sustains for higher delays. The routing in a disseminated network is a difficult task. A new routing scheme called A-Routing (AR) is been proposed with a motto of achieving optimal result in delivering the data packet towards the destined node. ARouting is proposed with the basis of Ant ColonyOptimization technique (ACO). The routing in ICMNAET is done by means of Ant routing protocol. This paper enchants a novel routing methodology for data transmission in ICMANET.

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Wireless and mobile networks seem to deliver tremendous uses. In its way, MANET leads to enormous real world applications. Routing allows us to implement many real world applications. Complete affinity in an infrequent network like ICMANET is highly impossible. Disconnected MANET is also known as ICMANET which is also a DTN (Delay Torrent Network) that supports for higher delays. It is laborious process to execute routing in a diffused network process to execute routing in a diffused network. To deliver the data packets towards the destined node to its best, a new strategy in routing called Ant routing protocol in concoction with storage strategy LoDis has been proposed. Despite of routing, security is still an unsolved problem. To evaluate this situation, this paper presents a methodology called agent technology which yields a secure routing. Hostile node in the network is spotted with the help of agent at each node. A cryptographic algorithm Advanced Encryption Standard (AES) is habituated to improve secure communication in wide range Mobility and total number of nodes in the network act as variables in examining the hostile nodes in the network to judge the standard of security. Improved performance along with the security is the point to be highlighted.

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