Thursday 28th of March 2024
 

Performance Evaluation and Analytical Validation of Internet Gateway Discovery Approaches in MANET


Rakesh Kumar, Anil K. Sarje and Manoj Misra

The integration of MANET and Internet extends the network coverage and also increases the application domain of the MANET. The connection of ad hoc networks to the Internet is established via Internet gateways, which acts as a bridge between them. One of the key overhead components affecting the overall performance of this integration is the discovery and selection of Internet gateways as discovery time and handover delay have strong influence on packet delay and throughput. In this paper, the three Internet gateway discovery approaches have been implemented and then the impact of node mobility for two different cases have been examined in terms of performance metrics throughput, end-to-end-delay and routing overhead using network simulator NS2. Our simulation results reveal that the reactive Internet gateway discovery approach scale poorly with increase in number of traffic sources and node mobility to access Internet as compared to the proactive and hybrid gateway discovery approaches. However, reactive gateway discovery results higher throughput and lower end-to-end delay for the same situation than proactive and hybrid approaches. Hybrid Internet gateway discovery approach performance was always observed in between reactive and proactive approaches. The simulation results have also been analytically verified.

Keywords: Mobile ad hoc network (MANET), Internet gateway discovery, Perormance analysis, AODV, NS2, Internet.

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ABOUT THE AUTHORS

Rakesh Kumar
Dr. Rakesh Kumar received PhD in Computer Science & Engineering from IIT Roorkee, India in 2011, M.E. in Computer Engineering from S.G.S. Institute of Technology and Science Indore, India in 1994 and B. E. in Computer Engineering (First class with honours) from M. M. M. Engineering College, Gorakhpur, UP, India in 1990. Dr. Kumar is in teaching, research & development since 1992 and is presently working as an Associate Professor in the Department of Computer Science and Engineering, M.M.M. Engineering College Gorakhpur-India. He has published many research papers in many refereed International/National Journals and International Conferences. He had been awarded for Best Research paper in an International conference. He is Fellow of IETE and IE and also member of CSI and ISTE. His research interests are in Mobile & Distributed Computing, Mobile Ad hoc Routing, Quality of Service Provisioning, MANET-Internet Integration, Sensor Networks and Performance Evaluation.

Anil K. Sarje
Dr. Anil K. Sarje is Professor in the department of Electronics & Computer Engineering at Indian Institute of Technology Roorkee, India. He received his B.E., M.E. and PhD degrees from Indian Institute of Science, Bangalore in 1970, 1972 and 1976 respectively. He served as Lecturer at Birla Institute of Technology & Science, Pilani, for a short period before joining University of Roorkee (now Indian Institute of Technology Roorkee) in 1987. Prof. Sarje has supervised a large number of M.Tech. Dissertations and guided several Ph.D. theses. He has published a large number of research papers in the International and National journals and conferences. He has also served as referee for many reputed Journals like IEE Proceedings, IEEE Transaction on Reliability, Electronics Letters, etc. He has been on a number of AICTE and DOEACC committees. He was a member of All India Board of Information Technology during years 2000-2003. He is a senior member of the Institute of Electrical and Electronics Engineers (IEEE). His research interests include Distributed Systems, Computer Networks, Real Time Systems and Network Security.

Manoj Misra
Dr. Manoj Misra is a Professor in the department of Electronics & Computer Engineering at Indian Institute of Technology Roorkee, India. He received his B.Tech. degree in 1983 from H.B.T.I., Kanpur and M.Tech. from University of Roorkee in 1986. He did his Ph.D. from Newcastle upon Tyne, UK and joined Electronics & Computer Engineering Department, University of Roorkee (now Indian Institute of Technology Roorkee) in August 1998 as Assistant Professor. Before joining University of Roorkee, he worked in DCM, CMC Ltd., New Delhi, H.A.L. Kanpur and H.B.T.I. Kanpur. He has completed an AICTE funded project \"A CORBA framework for distributed mobile applications\", as a co- Investigator with Prof. R. C. Joshi. Prof. Misra has supervised a large number of M. Tech. Dissertations and guided several Ph.D. Theses. He has published a large number of research papers in International and National journals and conferences. He is a member of the Institute of Electrical and Electronics Engineers (IEEE). His research interests include Distributed Computing and Performance Evaluation.


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