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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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The Intermittently Connected Mobile Networks (ICMN) is a disconnected mobile network where a complete connectivity never exists. More number of moving nodes makes them impenetrable genre which in turn makes the network intermittently connected. Detection of malicious node and routing is onerous due to its genre. In this paper, we put forward a secure routing that aids in detecting and preventing intrusion of malicious nodes. The routing process is made more adorable through Bee Colony Optimization (BCO). The amalgamation of BCO with authentication series leads a novel routing protocol named Privacy Preserving Bee Routing Protocol (PPBRP) which is highly secure. The degree of security is tested with malicious nodes in the network to prove that the proposed PPBRP ensures secure routing.