Optimized Routing for Efficient Data Dissemination in MANET to Meet the Fast-Changing Technology

Optimized Routing for Efficient Data Dissemination in MANET to Meet the Fast-Changing Technology

Deo Prakash (School of Computer Science & Engineering, Faculty of Engineering, SMVD University, Katra, India), Neeraj Kumar (Department of Computer Science & Engineering, Thapar University, Patiala, India) and M.L. Garg (Department of Computer Science and Engineering, DIT University, Dehradun, India)
Copyright: © 2018 |Pages: 12
DOI: 10.4018/JGIM.2018070103
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Mobile Adhoc Network (MANET) is a dynamic network without any centralized control. Due to frequent topological change, routing has been always a challenging task in these networks. This article presents optimized routing for efficient data dissemination in MANETs to meet the fast-changing technology of today's world. A novel metric for such optimized routing in MANET is proposed. The main parameters considered to evaluate this metric are the energy consumed during the communication, link stability, Packet Delivery Ratio (PDR) and traffic. The concept is based on a scenario in which a mobile node (source) sends data packets to another mobile node (destination) through its dynamically connected neighboring nodes. The path which consumes the lowest energy and also shows highest link stability is selected for consideration. In case the paths consume the same amount of energy, the highest stable path is chosen. In this manner, the most optimized path is selected. The authors' routing approach shows more efficiency than earlier in dissemination of data and information over the Mobile Ad-Hoc Networks.
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1. Introduction

Data dissemination is most important concern over any network. It becomes an important issue when it is considered over wireless networks and even paramount issue when the case of Mobile Ad Hoc Network (MANET) is there. For properly disseminating the data over Mobile Ad-Hoc Networks routing plays vital role and hence has been of immense interest over the period. A wireless network that does not have any centralized control, in which each node work as source, router as well as destination too. It works independent of any infrastructure such as Access Points (wireless networks) or routers (wired networks). It contains nodes, where each node forwards the data for others. The determination of these nodes strongly depends on the connectivity of network (Baumann, Heimlicher, Strasser, & Weibel, 2007). Additional to classic routing, flooding can also be utilized by MANETs for the forwarding of data. In wireless networks, the route selection is based on various mechanisms, and their corresponding entries are made on the hops to maintain the record of the route, the new entries are entered if the old one(s) are effect less as per the newly changed topology etc. For MANET because we do not have the fixed position then the Global positioning type of the route selection mechanism may be beneficial. The selection of most trustworthy route, which is resistant to breakdowns and is induced by the changes in topology during the node mobility, is based on an approach proposed by Kim et al. (2001) They established the concept of caution and stable zones, and then implemented it to the process of route discovery of existing ad hoc on-demand routing protocol (AODV). The whole idea of caution and stable zones is based on mobile node’s location as well as the information of mobility obtained from Global Positioning System (GPS).

As the information sharing and data dissemination have increased with a rapid pace, the demand for optimization of network resources becomes a paramount concern for the research community. In these networks for efficient routing, the selection of next hop for data transfer is an important concern. In this regard, routing metric can play an important role. The most important routing metric for route selection is Hop Count (Baumann et al., 2007). But MANET routing is a very difficult task because of the following constraints:

  • Constantly Topology Change in MANET

  • High Mobility of Nodes

As the nodes leave and join the network, topology continuously changes. In this regard, it is difficult to maintain a constant routing table at each node which is very expensive process with respect to resource consumption because each node in the network has limited resources, also they have high mobility. Keeping in view of above challenges, a unified optimized route selection is required for data dissemination in MANET. This paper conations Selection of optimized route based upon the new proposed metric. Optimization of Routing: will choose the best possible Route in the network to reach the destination. The best way to optimize the route is to propose robust metric for this network. Also, it is not necessary that if a metric which shows good results for one type of network may have the same level of performance for a different type of network. Currently the best communication metric for route selection is Hop Count (Baumann et al., 2007). But it has been found that it does not give best performance in presence of high mobility of nodes. Hence, we have proposed a new metric suitable for this type of network.

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