Divakar Singh Yadav

Work place: Department of Computer Science & Engineering, Institute of Engineering and Technology, Lucknow, India

E-mail: divakar_yadav@rediffmail.com

Website:

Research Interests: Computer systems and computational processes, Systems Architecture, Distributed Computing, Database Management System, Analysis of Algorithms

Biography

Prof. Divakar Singh Yadav: is Professor of Computer Science at Institute of Engineering and Technology, Lucknow. He obtained B.Tech in Computer Science& Engineering, M.Tech in Computer Science from IIT, Kharagpur and Ph.D from University of Southampton, U.K. Before joining Gautam Buddh Technical University, Lucknow as Pro-Vice Chancellor, he was at South Asian University, New Delhi, an international university established by South Asian Association for Regional Cooperation (SAARC) nations, where he was Chairperson of Department of Computer Science at Faculty of Mathematics and Computer Science.
Dr. Yadav possesses more than 20 years of experience in academics/research in India and Abroad. Besides serving as member of several expert committees of U. P. Technical University, Lucknow, AICTE, New Delhi and Govt. of Uttar Pradesh, he also served as member of Advisory Boards, Technical Program Committees and reviewer for several international conferences /workshops /journals. He has long standing academic interests in database systems and distributed computing. His primary research interests are in formal methods, refinement of distributed systems using Event-B, verification of critical properties of business critical systems and reasoning about distributed database systems. He has also participated in prestigious Daghtuhl seminar at Schloss Dagstuhl-Leibniz Center for Informatics, Germany in 2006, in addition to invitation at Commonwealth Scholarship Commission, U.K. seminar held at the University of the West England, Bristol in 2007. Dr. Yadav is author of four (04) books in the area of computers and information technology including best seller ‘Foundations of Information Technology’ published in 2001. His research contributions in the area of computer science and information technologies appeared in the international journals and refereed conference proceedings published by Springer-Verlag, Elsevier and IEEE.

Author Articles
Throughput and Delay Analysis of Database Replication Algorithm

By Sanjay Kumar Yadav Gurmit Singh Divakar Singh Yadav

DOI: https://doi.org/10.5815/ijmecs.2013.12.07, Pub. Date: 8 Dec. 2013

Recently, (PDDRA) a Pre-fetching based dynamic data replication algorithm has been published. In our previous work, modifications to the algorithm have been suggested to minimize the delay in data replication. In this paper a mathematical framework is presented to evaluate mean waiting time before data can be replicated on the requested site. The idea is further investigated and simulation results are presented to estimate the throughput and average delay.

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Mathematical Framework for A Novel Database Replication Algorithm

By Sanjay Kumar Yadav Gurmit Singh Divakar Singh Yadav

DOI: https://doi.org/10.5815/ijmecs.2013.09.01, Pub. Date: 8 Sep. 2013

In this paper, the detailed overview of the database replication is presented. Thereafter, PDDRA (Pre-fetching based dynamic data replication algorithm) algorithm as recently published is detailed. In this algorithm, further, modifications are suggested to minimize the delay in data replication. Finally a mathematical framework is presented to evaluate mean waiting time before a data can be replicated on the requested site.

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Other Articles