Abstract
Researchers working in the area of a mobile ad hoc network (MANET) strive to conserve the battery energy of individual nodes to reduce the frequency of a node breakdown. The model of multiple-path on demand data routing protocols has been an effective scheme for the majority of MANET application scenarios in recent times. The availability of multiple paths for data transfer can both prove to be effective as well as dismal in certain cases. The selection of the most suitable path is always tricky, if not associated with exact metrics of concern. The contribution of this work is the introduction of the load balancing ad hoc on-demand multipath distance vector (LBAOMDV) protocol, an adaptation of AOMDV, an ad hoc on-demand multipath distance vector protocol. The adaption is done in order to enhance the reliability of the given network by considering the parameter of path weight (energy) of all the available multiple paths. The LBAOMDV regulates the fair usage of both node energy and available bandwidth by exploiting the availability of multiple paths for data transfer. The uniform distribution of data across multiple paths enhances the quality of service of the given network by ensuring fair usage of both network bandwidth and node energy. The LBAOMDV protocol ensures reduced node breakdowns, thus enhancing the reliability of the given MANET.
Highlights
The advancements in Ad hoc On-Demand Distance Vector Routing (AODV) have resulted in more efficient protocols like ad hoc on-demand multipath distance vector (AOMDV) that is more suitable for mobile ad hoc network (MANET) scenarios [40]
3.3 Reliability assessment of the LBAOMDV Protocol In a load-balanced multipath routing environment, a message is decomposed into equal-sized data chunks and each such data chunk is transferred over a single path to its intended destination
The proposed LBAOMDV protocol achieves the objective by load balancing of data across multiple available paths
Summary
The concept of multipath routing involves discovering all available paths from the source node to the destination by taking advantage of path redundancy of the underlying network These multiple available paths may be used alternately or in certain scenarios concurrently for data transfer [16, 17]. The most rigorously discussed reactive wireless (on-demand) routing protocols to date have been Dynamic Source Routing (DSR), Ad hoc On-Demand Distance Vector Routing (AODV) and Temporally Ordered Routing Algorithm (TORA) [18,19,20] All these reactive routing protocols flood a network with route request packets (RREQ) to discover and maintain routes, only after receiving a request for data transfer.
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