Security Aware Routing Protocol for Hybrid Wireless Network (SARP-HWNs) via Trust Enhanced Mechanism

Security Aware Routing Protocol for Hybrid Wireless Network (SARP-HWNs) via Trust Enhanced Mechanism

A. Vinodh Kumar, S. Kaja Mohideen
DOI: 10.4018/IJBDCN.2019010103
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A hybrid wireless network handles both ad hoc networks and infrastructure networks, these networks are affected by malicious attacks which affect the routing by packet drops, modifications and selective forwarding. These attacks lead to the link failure in a network. Link failures are the main reason for packet loss and network unreliability in these kinds of networks. Due to link failures, the life time of the network and the performance of routing path is affected. The previous security mechanisms for protecting wireless networks are not sufficient for hybrid networks. In this article, the authors propose a trust-based security model to enhance security factors in hybrid networks. The proposed routing protocols implemented in hybrid network platforms consist of different networks such as a fixed node for WLANs (wireless televisions, personal computers, printers, cellular, etc.) with zero mobility, a sensor node for WSNs with zero mobility, mobile nodes with movements considered MANETs, and nodes with high movements (vehicles) considered as VANETs. This article proposes routing protocols to avoid link failure in the current routing path and provide quick recovery, improve the throughput, reduce end to end delay, maximize the life time of routing path without affecting energy consumption and QoS/QoE while compared with other existing techniques.
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1. Introduction

Wireless networks are the best alternative for customary wired networks that depend on the connectivity of network devices such as a part of both home and business personal computer systems (Lee et al., 2002; Kobayashi, Nakayama, Ansari & Kato, 2009). The different wireless applications are used to develop the wireless networks such as trading terms (commerce), administrations, military, training and entertainment. The quick change of Wi-Fi specialty wireless devices includes wireless handheld devices, for instance, the motivation behind wireless users of smart phones in last few years (Sikdar, 2013). The real time applications are widely used in the part of audio, video streaming/downloading, and online game playing via the long-distance communication in terms of different wireless devices. The advancement and the suspect fate of real-time mobile multimedia streaming services are widely extended, so the networks are in need of high quality of service (QoS) to bolster wireless and mobile networking environment (Guo, Jiang, Guan & Mao, 2013). An infrastructure network is extended to make a hybrid wireless network (HWNs) (Pei, Ambetkar, Modestino & Wang, 2006; Le & Liu, 2010), which the mobile nodes are connected with access point (AP) via multi-hop wireless routing. HWNs (i.e., multi-hop wireless networks) have been proven to be a better network structure for the next generation wireless networks. HWNs used to reduce the impacts of QoS requirements with different traffic conditions (Zhang & Zeadally, 2006). Here the traffic conditions are considered as wireless applications. Simply, the infrastructure and MANETs combined with the framework of HWNs to make the network by better performance for next-generation wireless networks.

MANET is a collection of wireless mobile nodes (devices) which can communicate with each other without the need of centralized administration and network infrastructure. It, in turn provides the nodes with unrestricted mobility and connectivity with other nodes (within proximity or far away). Here the given nodes are not bound to any particular base station or switching centres (Deng, Li & Agrawal, 2002). But due to limited transmission range of each limited powered nodes (laptops and walkie-talkie), multiple hops may be needed to entertain communication between nodes to a distant node in the given network. Hence a node in MANET would not only behave as a host but also as a router, forwarding packets from a mobile device to another mobile device in the network, which may not be within the direct wireless transmission range of each other. Hence MANET was developed to establish on-demand network transmission where each limited powered node has a transmission (constrained by their respective proximities) to a node in its proximity and a node far away using intermediate nodes. Uses of MANET’s are entertained in environments that need rapid deployment and dynamic reconfigurations e.g.-Military battlefield, emergency search and rescue operations, smart classrooms, streaming multimedia, Training and industrial based video conferencing (irrespective of the topological separations). MANETs having no fixed routers or APs, every node has mobility capability, and the overall architecture is dynamic with all the nodes have routing ability. Other than MANETs, the infrastructure-based networks having fixed routers or APs similar to the multi-hop wireless LAN.

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