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Energy Efficient and Secure Multipoint Relay Selection in Mobile Ad hoc Networks
( Anjali Anand ),( Rinkle Rani ),( Himanshu Aggarwal ) 한국인터넷정보학회 2016 KSII Transactions on Internet and Information Syst Vol.10 No.4
Nodes in MANETs are battery powered which makes energy an invaluable resource. In OLSR, MPRs are special nodes that are selected by other nodes to relay their data/control traffic which may lead to high energy consumption of MPR nodes. Therefore, employing energy efficient MPR selection mechanism is imperative to ensure prolonged network lifetime. However, misbehaving MPR nodes tend to preserve their energy by dropping packets of other nodes instead of forwarding them. This leads to huge energy loss and performance degradation of existing energy efficient MPR selection schemes. This paper proposes an energy efficient secure MPR selection (ES-MPR) technique that takes into account both energy and security metrics for MPR selection. It introduces the concept of `Composite Eligibility Index` (CEI) to examine the eligibility of a node for being selected as an MPR. CEI is used in conjunction with willingness to provide distinct selection parameters for Flooding and Routing MPRs. Simulation studies reveal the efficiency of ES-MPR in selection of energy efficient secure and stable MPRs, in turn, prolonging the network operational lifetime.
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An Adaptive Security Model for Dynamic Node Behaviour in MANETs
( Anjali Anand ),( Rinkle Rani ),( Himanshu Aggarwal ) 한국인터넷정보학회 2018 KSII Transactions on Internet and Information Syst Vol.12 No.6
Mobile Ad hoc Networks (MANETs) have become a viable platform owing to their potential of providing communication without any pre-existing infrastructure and central administrating authority. Mutual support and co-operation among nodes are prerequisites for performing functions in such networks. The scarcity of resources makes it economical for nodes to conserve their resources and misbehave by avoiding participation in the network. Therefore, a mechanism is required to detect and handle such misbehaving nodes and promote co-operation in the network. Existing techniques for handling misbehaving nodes focus only on their current behaviour without considering the antecedent behaviour of nodes. In real world, a node may dynamically change its behaviour in accordance to its requirements. Hence, an efficient mechanism is required for providing security against such misbehaviour. This paper proposes an Adaptive Security Model which contemplates the present as well as anterior behaviour of nodes for providing security against dynamic node behaviour. The adaptivity of the model is nested in its ability to requite well-behaving nodes and penalize misbehaving ones in conformity with their overall behaviour. Simulation results indicate the efficiency of proposed scheme in securing the network from the menace of dynamic behaviour of nodes.
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( Anjali Anand ),( Rinkle Rani ),( Himanshu Aggarwal ) 한국인터넷정보학회 2015 KSII Transactions on Internet and Information Syst Vol.9 No.11
A Mobile Ad hoc Network (MANET) consists of mobile nodes which co-operate to forward each other`s packets without the presence of any centralized authority. Due to this lack of centralized monitoring authority, MANETs have become vulnerable to various kinds of routing misbehaviour. Sometimes, nodes exhibit non-cooperating behaviour for conserving their own resources and exploiting others` by relaying their traffic. A node may even drop packets of other nodes in the guise of forwarding them. This paper proposes an efficient Reputation and Collaboration technique through route-request for handling such misbehaving nodes. It lays emphasis not only on direct observation but also considers the opinion of other nodes about misbehaving nodes in the network. Unlike existing schemes which generate separate messages for spreading second-hand information in the network, nodes purvey their opinion through route-request packet. Simulation studies reveal that the proposed scheme significantly improves the network performance by efficiently handling the misbehaving nodes in the network.
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Partially Distributed Dynamic Model for Secure and Reliable Routing in Mobile Ad hoc Networks
Anjali Anand,Himanshu Aggarwal,Rinkle Rani 한국통신학회 2016 Journal of communications and networks Vol.18 No.6
A mobile ad hoc network (MANET) is a collection ofmobile nodes communicating in an infrastructure-less environmentwithout the aid of a central administrating authority. Such networksentail greater dependency on synergy amongst the nodes toexecute fundamental network operations. The scarcity of resourcesmakes it economically logical for nodes to misbehave to preservetheir resources which makes secure routing difficult to achieve. Toensure secure routing a mechanism is required to discourage misbehaviorand maintain the synergy in the network. The proposedscheme employs a partially distributed dynamic model at eachnode for enhancing the security of the network. Supplementaryinformation regarding misbehavior in the network is partially distributedamong the nodes during route establishment which is usedas a cautionary measure to ensure secure routing. The proposedscheme contemplates the real world scenario where a node mayexhibit different kinds of misbehavior at different times. Thus, itprovides a dynamic decision making procedure to deal with nodesexhibiting varying misbehaviors in accordance to their severity. Simulations conducted to evaluate the performance of the modeldemonstrate its effectiveness in dealing with misbehaving nodes.
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Partially Distributed Dynamic Model for Secure and Reliable Routing in Mobile Ad hoc Networks
Anand, Anjali,Aggarwal, Himanshu,Rani, Rinkle The Korea Institute of Information and Commucation 2016 Journal of communications and networks Vol.18 No.6
A mobile ad hoc network (MANET) is a collection of mobile nodes communicating in an infrastructure-less environment without the aid of a central administrating authority. Such networks entail greater dependency on synergy amongst the nodes to execute fundamental network operations. The scarcity of resources makes it economically logical for nodes to misbehave to preserve their resources which makes secure routing difficult to achieve. To ensure secure routing a mechanism is required to discourage misbehavior and maintain the synergy in the network. The proposed scheme employs a partially distributed dynamic model at each node for enhancing the security of the network. Supplementary information regarding misbehavior in the network is partially distributed among the nodes during route establishment which is used as a cautionary measure to ensure secure routing. The proposed scheme contemplates the real world scenario where a node may exhibit different kinds of misbehavior at different times. Thus, it provides a dynamic decision making procedure to deal with nodes exhibiting varying misbehaviors in accordance to their severity. Simulations conducted to evaluate the performance of the model demonstrate its effectiveness in dealing with misbehaving nodes.
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