Work place: Department of Computer Science & Engineering, Pondicherry Engineering College, Puducherry – 605 014, INDIA

E-mail: nsreenath@pec.edu


Research Interests: Computing Platform, Distributed Computing, Computer Networks


Prof. Dr. N.Sreenath received his Ph.D Degree in Computer Science and Engineering from Indian Institute of Technology, Chennai, India, in 2003, his M.Tech Degree from University of Hyderabad, in 1990 and his B.Tech in Electronics and Communication Engineering from JNTU Hyderabad, India in 1987.

His area of expertise is WDM Optical Networks. He has been with the Department of Computer Science and engineering at the Pondicherry Engineering College, India, since 2003, where he is currently a Professor.

Author Articles
A Comparative Survey on Optical Burst Switched Network Simulators

By Terrance Frederick Fernandez T. Megala N.Sreenath

DOI: https://doi.org/10.5815/ijcnis.2014.05.05, Pub. Date: 8 Apr. 2014

Optical Burst Switching (OBS) is the future of optical internet which provides a promising architecture to efficiently utilize WDM and to fulfill today’s Internet traffic demands. Since this area is yet to mature there is a darn need to study its various protocols. Network simulator is an important tool for researchers and academicians to simulate and model the actual network at a reduced cost compared to the real test-bed experimentation. In this paper various OBS simulators are comparatively surveyed, while highlighting their merits and demerits.

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Semantic Multi-granular Lock Model for Object Oriented Distributed Systems

By V.Geetha N.Sreenath

DOI: https://doi.org/10.5815/ijitcs.2013.05.10, Pub. Date: 8 Apr. 2013

In object oriented distributed systems (OODS), the objects are viewed as resources. Concurrency control techniques are usually applied on the database tier. This has the limitations of lack of support of legacy files and requirement of separate concurrency control mechanisms for each database model. Hence concurrency control on the objects at server tier is explored. To implement concurrency control on the objects participating in a system, the impact of method types, properties and class relationships namely inheritance, association and aggregation are to be analyzed. In this paper, the types and properties of classes and attributes are analysed. The semantics of the class relationships are analysed to ascertain their lock modes, granule sizes for defining concurrency control in OODS. It is also intended to propose compatibility matrix among all these object relationships.

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Other Articles