Abstract
Mobile Ad-hoc networks is an ascertaining domain with promising advancements, attracting researchers with a scope of enhancements and evolutions. These networks lack a definite structure and are autonomous with dynamic nature. The strength of the Ad-hoc network lies in the routing protocols making it an apt choice for transmission. With several types of routing protocols available our focus is on LGF (Location-based Geo-casting and Forwarding) protocol that falls in Position based category. LGF assures to grab the attention with its feature of low bandwidth consumption and routing overhead at the cost of unvolunteered attacks resulting in compromising the security of data. In our approach, we present a technique to overcome the profound attacks like Wormhole and Blackhole by aggregating LGF with k++ Means Clustering aiming at route optimization and promoting security services. The proposed mechanism is evaluated against QoS factors like End to End delay, Delivery Ratio, Load balancing of LGF using Simulator NS3.2 which envisioned drastic performance acceleration in the aforementioned model.
Highlights
MANETs, a group of nodes that provide communication through wireless links without a predefined infrastructure and exhibiting dynamic nature has been the choice of practitioners and researchers for two long decades
The Crucial component acting as the backbone for node elucidation and improving the strength of MANETS ate routing protocols
Based on the consideration surveyed by various researchers these protocols are classified as Topology based and Position-based
Summary
MANETs, a group of nodes that provide communication through wireless links without a predefined infrastructure and exhibiting dynamic nature has been the choice of practitioners and researchers for two long decades. Topology based routing protocols fall into three well-known models like Proactive, Reactive, and Hybrid. SLAR is proposed to provide security against different attacks [16] These protocols ensure efficient performance when clustered into zones [4]. Position based class mainly emphasizes the position of the node in the network and their performance is analyzed based on qualitative characteristics like Loop free, Decentralized operations, Path strategy, Performance metrics, Scalability, Reliable Delivery service, and Robustness These Protocols support few strategies in packet forwarding namely Greedy Forwarding, Constrained directional flooding, and Hierarchical or multilevel methods [2]. LGF is vulnerable to serious attacks like Wormhole and Blackhole attack These attacks exhibit an adverse impact on the performance of location-based ad-hoc networks [8]. Our paper enlightens all the fore-mentioned issues and proposes an enhanced approach based on the K++ Clustering technique to overcome attacks in LGF
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