A Reliability based Variant of AODV in MANETs: Proposal, Analysis and Comparison

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The basic framework of MANETs relies on best effort delivery of data and does not make any promises regarding assuring Reliability or Quality of Services. Seeing today's demand of multimedia applications and need of being always connected with or without internet is constantly attracting the researchers to evolve the MANETs (Mobile Ad hoc Networks) in order to assure the guarantee of services in terms of quality. In this paper the authors have critically examined the basic AODV a reactive routing protocol of MANET, with all its positive and negative characteristics. AODV (Ad hoc On Demand Distance Vector) is also examined for Quality of Service (QoS) provisioning. In this paper to support QoS, a Reliability aware variant of AODV is proposed. This reliability aware variant of AODV (RA-AODV) is based on conferring stability to routes. The chosen routes are constrained with End-to-End Delay and Bandwidth parameters to provide quality services to application layer. After that to enhance the reliability speed of intermediate nodes is taken into account. If node moves with slow speed stability of route is not hampered but if not, high speed node has to adjust some of its neighbouring node which can act on its behalf as a part of ongoing route part. An extensive simulation performed on basic AODV, MAODV (Modified-AODV constrained with EED and Bandwidth only, no speed parameter considers) and RA-AODV (Reliability Assured AODV) is tabulated and presented graphically in terms of PDR (Packet Delivery Ratio), Throughput and EED (End-to-End Delay) based on Mobility.




Tyagi, S., Som, S., & Rana, Q. P. (2016). A Reliability based Variant of AODV in MANETs: Proposal, Analysis and Comparison. In Procedia Computer Science (Vol. 79, pp. 903–911). Elsevier B.V. https://doi.org/10.1016/j.procs.2016.03.112

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