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Swarm Intelligence methodologies have been generally utilized in specialist area of WSNs. It is a generally new and successful domain, concentrating on the adjustment of total practices of different common organisms such as fish, ants, bumble bees, and birds, and also a lot of routing WSNs protocols have been produced in agreement with the stimulus out of the species searching practices. In this work standard guideline of swarm intelligence has been considered. The critical emergency in WSN is the network period. To encourage adaptability, nodes are consistently framed as cluster having a head, called cluster head (CH). CH is in charge for transmitting data to the base station and guides regular nodes to transmit detected information to target nodes. Energy use of CH is higher than the basic nodes. Thus, CH determination will irritate WSN period. In this work, different methods have been examined for CH selection to utilize swarm intelligence. The ultimate objective of this review is to have detailed examination over various SI approaches to show their ability to select CH. Finally, we complete the paper with a near examination, bringing up the essential difficulties and potential future guidelines. [ABSTRACT FROM AUTHOR]

The mobile ad hoc networks are a set of the autonomous nodes which arbitrarily moves out due to their autonomous nature. The topology of the network differs very often. Each and every autonomous node are powered by batteries with inadequate abilities and due to which the nodes fail to communicate the information packets from source to the target. The purpose is to design an energy efficient routing scheme in mobile ad hoc network with the aid of rough set calibration scheme. The rough set calibration scheme ultimately makes use of episodic based association where each and every metric like energy and distance are employed as the entity of rough set. Furthermore, the scheme aids in deciding the energy efficient routing. The analysis reveals that the scheme attempts for energy efficient routing with the aid of rough sets. The results of the simulation make use of the designed protocol with the aid of NS2 and estimate it with other conventional schemes based on which the designed scheme performs better in terms of energy efficiency. [ABSTRACT FROM AUTHOR]

Security is a major concern in mobile ad hoc network (MANET) that ensure packet authentication and integrity. A data transmitted from source to destination node has to be protected from the active and passive attacks. Certificate based secure routing scheme are developed precisely to ensure authentication with certificate mechanism. However, this paper uses fuzzy enhanced secure multicast routing (FSMR) scheme ensure better security in network and data. To estimate the presence of misbehaving nodes, FSMR is established based on normal and abnormal behaviors from the statistical data. Certificateless routing is used in the proposed system and it authenticates the data from the concept of key generation, signcryption and unsigncryption. Packets are routed and validated without the knowledge of certificate routing. The evaluation on proposed system proves that the proposed system has better data packet authentication with lesser energy consumption. Further, the proposed system attains better performance in terms of authenticity, data integrity, network lifetime, average delay and maximum throughput. [ABSTRACT FROM AUTHOR]