Welcome to my homepage !

  • Received the Bachelor of Engineering degree in 1981 from the Regional Engineering College, University of Madras, India.
  • Received the Master of Engineering degree in 1983 from the Indian Institute of Science, Bangalore, India.
  • Awarded Ph.D. in 1989 by the University of Newcastle, Newcastle upon Tyne, UK, for research work on agreement protocols and failure classification.
  • Currently a Reader at the School of Computing Science , Newcastle University, Newcastle upon Tyne, UK.

Teaching

Research fields

Publications (Peer-Reviewed Only)

Latest

Paul Ezhilchelvan and Santosh Shrivastava: Learning from the Past for Resolving Dilemmas of Asynchrony, ACM SIGOPS Operating Systems Review, Volume 44, Issue 2, April 2010, pp. 58-63.

Dylan Clarke and Paul Ezhilchelvan: Assessing the Attack Resilience Capabilities of a Fortified Primary Backup System, 4th Workshop on Recent Advances in Intrusion-Tolerant Systems (WRAITS), DSN Workshops, June 28, 2010, Chicago, IL.  (http://wraits10.di.fc.ul.pt/paper%207.pdf)

Cooper, D.E., Ezhilchelvan, P. and Mitrani, I., Encounter-Based Message Propagation in Mobile Ad-Hoc Networks, Ad Hoc Networks Vol. 7, Issue 7, pp 1271-1284, September 2009, Elsevier B.V. Pre-Print: http://www.cs.ncl.ac.uk/publications/articles/papers/856.pdf

Paul Ezhilchelvan and Santosh Shrivastava: Learning from the Past for Resolving Dilemmas of Asynchrony, In Proceedings of the 3rd ACM SIGOPS International Workshop on Large Scale Distributed Systems and Middleware, (Co-located with the 22nd ACM SOSP 2009), October 10-11, 2009, Big Sky, MT. (http://www.cs.cornell.edu/projects/ladis2009/papers/ezhilchelvan-ladis2009.pdf

P. Ezhilchelvan, D. Clarke, I. Mitrani, and S. Shrivastava. ‘Proactive Fortification of Fault-Tolerant Services. In Proceedings of the 13th International  Conference On Principle Of DIstributed Systems (OPODIS), LNCS 5923, pp. 330--344. Springer Verlag, December 2009.

  P. Ezhilchelvan, “Responsive Fault-Tolerant Computing in the Era of Terascale Integration”, 11th IEEE International Symposium on Object Oriented Real-Time Distributed Computing (ISORC), pp, 492 – 496, May 2008.  IEEE Computer Society Press.

Recent Past

Publications (2006-7)

1.         F Bonnet, P D Ezhilchelvan and E Vollset, ‘Quiescent Consensus in Mobile Ad-hoc Networks using Eventually Storage-Free Broadcasts’, The 21st Annual ACM Symposium on Applied Computing, Dijon, France, April 23 -27, 2006.

2.         Q. Inayat and P. Ezhilchelvan, ‘A Performance Study on the Signal-On-Fail Approach to Imposing Total Order in the Streets of Byzantium’, In 2006 International Conference on Dependable Systems and Networks (DSN), June 2006, Philadelphia, pp 578-587, IEEE Computer Society Press.

3.         A. di Ferdinando, P. Ezhilchelvan, M. Dales and J. Crowcroft, ‘A QoS-Negotiable Middleware System for Reliably Multicasting Messages of Arbitrary Size’, In Ninth IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing, ISORC 2006, April 2006, Gyeongju, Korea, pp. 253-260,  IEEE Computer Society Press.

4.         A. Stylianou, G. Ferrari and P. Ezhilchelvan, ‘A Comparative Evaluation of EJB Implementation Methods’, In 10th IEEE International Symposium on Object and Component-Oriented Real-Time Distributed Computing, ISORC 2007, May 2007 Santorini Island, Greece, pp 204-213, IEEE Computer Society Press.

Publications (2005)

1.         Einar Vollset and Paul Ezhilchelvan, Enabling Reliable Many-to-Many Communication in Ad-Hoc Pervasive Environments Third IEEE International Conference on Pervasive Computing and Communications Workshops, March 2005 Kauai Island, Hawaii, USA. pp.65-69.

2.         P. Ezhilchelvan, J.-M. Hélary and M. Raynal, “Building Responsive TMR-Based Servers in Presence of Timing Constraints”, 8th IEEE International Symposium on Object-oriented Real-time distributed Computing (ISORC05), May 18-20, 2005, Seattle, Washington, USA,  pp. 267-274.

3.         D.E. Cooper, P. Ezhilchelvan,  and I. Mitrani. A Family of Encounter-Based Broadcast Protocols for Mobile Ad-hoc Networks,  In the Proceedings of the Wireless Systems and Mobility in Next Generation Internet, Dagstuhl Castle, Germany, June 7-9 2004,  Kotsis, G. and Spaniol, O. (eds.)  Lecture Notes in Computer Science, Volume 3427,  pp. 235-248,  Springer 2005.

4.         D.E. Cooper, P. Ezhilchelvan,  I. Mitrani, and E. Vollset,  ‘Optimization of Encounter Gossip Propagation in Mobile Ad-Hoc Networks’, 13th Annual Meeting of the IEEE International Symposium  on Modeling, Analysis, and Simulation  of Computer and Telecommunication Systems (MASCOTS 2005), September 2005, Atlanta, Georgia, pp. 529-532. IEEE Computer Press.

5.         Einar Vollset and Paul Ezhilchelvan, Design and Performance-Study of Crash-Tolerant Protocols for Broadcasting and Reaching Consensus in MANETs, Proceedings of the 24th IEEE Symposium on Reliable Distributed Systems (SRDS), Orlando, Florida,  October, 2005, pp. 166-175, IEEE Computer Press, ISBN 0-7695-2463-X.

J1.        P D Ezhilchelvan and S K Shrivastava, “A Family of Trusted Third Party based Fair-Exchange Protocols”, IEEE Transactions on Dependable and Secure Computing, Vol 2, No. 4, 2005.

Publications (Aug 2003 – Dec 04)

1.         Paul D Ezhilchelvan and Santosh K Shrivastava, “Systematic development of a Family of Fair Exchange Protocols”, Data and Applications Security XVII: Status and prospects (Eds. Sabrina De Capitani di Vimercati, Indrakshi Ray and Indrajit Ray), Kluwer Academic publisher, ISBN 1 4020 8069 7, 2004, pp. 243-258. IFIP WG 11.3 Seventeenth Annual Working Conference on Data and Applications Security, August 2003, Estes Park, Colorado.

2.         Einar Vollset, Dave Ingham and Paul Ezhilchelvan, JMS on Mobile Ad-hoc Networks, To appear at Personal Wireless Communications (PWC) 2003, sponsored by IFIP WG 8.6, Venice, Italy, September 2003.

3*.       P D Ezhilchelvan, F V Brasileiro and N A Speirs, "Timeout Based Message Ordering Protocols for a Lightweight, Software Implementation of TMR Systems", IEEE Transactions on Parallel and Distributed Systems, Vol. 15, No. 1, Jan. 2004.

4.         D.E. Cooper, P Ezhilchelvan and I Mitrani, “High Coverage Broadcasting for Mobile Ad Hoc Networks, In the proceedings of the third International IFIP-TC6 conference on Networking, Athens, LNCS 3042, pp. 100-112, May, 2004.

5**.     Ezhilchelvan P. D. and Shrivastava S. K. A Model and a Design Approach to Building QoS Adaptive Systems, in Architecting Dependable Systems, R. de Lemos, C. Gacek, and A. Romanovsky (Eds.), Lecture Notes in Computer Science, 3069, Springer, August 2004, pp.221-246.

6.         E. Vollset and P. Ezhilchelvan: Design and Evaluation of an Efficient Reliable Manycast protocol for Ad-hoc Networks, In the 1st IEEE International Conference on Mobile Ad-hoc and Sensor Systems, (MASS04) October 24-27, 2004, Fort Lauderdale, Florida, USA, pp. 561-565.

7.         A de Ferdinando, P Ezhilchelvan, I Mitrani:  Design and Evaluation of a QoS-Adaptive System for Reliable Multicasting,  In the proceedings of 23rd Symposium on Reliable Distributed Systems (SRDS04), Florianopolis, Brazil, October 2004,  pp. 31-40.

8.         P. Ezhilchelvan and R Maxion, “Against Attacks and Faults: An Autonomic Approach to Secure and Reliable Data Management”. Workshop on Dependable Distributed Data Management (WDDDM), Held in conjunction with 23rd SRDS04, Flarianopolis, Brasil, Nov. 2004,  pp. 51 - 56.

9.         G. Ferrari, S. Shrivastava and P. Ezhilchelvan, “An Approach to Adaptive Performance Tuning of Application Servers”. In Proceedings 1st IEEE International Workshop on Quality of Service in Application Servers, in conjunction with 23rd Symposium on Reliable Distributed Systems (SRDS’04), Brazil, October 2004.

Publications (Nov 2000 –July 2003)

1.         G Morgan and P D Ezhilchelvan, "Policies for using Replica Groups and their Effectiveness over the Internet", The second International Workshop on Networked Group Communications, Stanford, Palo Alto, November, 2000, pp. 119-130.

2.         P Ezhilchelvan, M R Khayyambashi, G Morgan and D Palmer, "Measuring the Cost of Scalability and Reliability for Internet-Based, Server-Centered Applications", Sixth International Workshop on Object-oriented Real-time Dependable Systems (WORDS01), Rome, Jan. 2001.

3.         P Ezhilchelvan, and G Morgan, " A Dependable Distributed Auction System: Architecture and an Implementation Framework", The Fifth International Symposium on Autonomous Decentralized Systems (With an Emphasis on Electronic Commerce), March 26-28, 2001, Dallas, Texas.

4.         P D Ezhilchelvan, A Mostefaoui, and M Raynal, "Randomized Multivalued Consensus", The fourth International IEEE Symposium on Object oriented Real-time Computing (ISORC) May 2-4, 2001, Magdeburg, Germany, pp. 195-201.

5.         P D Ezhilchelvan, S K Shrivastava, and M C Little, "A Model and Architecture for Conducting Hierarchically Dtructured Auctions", The fourth International IEEE Symposium on Object oriented Real-time Computing (ISORC) May 2-4, 2001, Magdeburg, Germany, pp. 129-38.

6.         Ezhilchelvan P., Helary J.M. and Raynal M., “Building TMR-Based Reliable Servers Despite Bounded Input Lifetimes”, Proc. Euro-par 2001 Int. Conf. (research note), Manchester,  28th-31st August 2001.

7*.       A. Romanovsky and P. Ezhilchelvan, “Conversations with fixed and potential participants”, Journal of Systems Architecture, Elsevier Science, 47 (2001), pp. 193-196.

8**. P. Ezhilchelvan and A. Romanovsky (Ed.,), “Concurrency in Dependable Computing”, Kluwer Academic Publishers, The Netherlands, May 2002, ISBN 1 4020 7043 8.

9.         P D Ezhilchelvan, “A Middleware Architecture for Intrusion Tolerant Service Replication”, Workshop on Intrusion Tolerant Systems, In association with the International Conference on Dependable Systems and Networks (DSN02), Washington, DC, June 23 - 26, 2002.

10.       P.D. Ezhilchelvan and N.A. Speirs, ‘A Two-Tier Approach To Building Dependable Middleware Services’, Workshop on Dependable Middleware-Based Systems, In association with the International Conference on Dependable Systems and Networks (DSN02), Washington, DC, June 23 - 26, 2002.

11.       P D Ezhilchelvan, J-M Helary, M Raynal, "Building Responsive TMR-Based Servers in the Presence of Timing Constraints", Twenty-First Annual ACM SIGACT-SIGOPS Symposium on principles of distributed computing (PoDC 2002), July 20 - 24, 2002, Monterey, California.

12.       Mpoeleng, D., Ezhilchelvan, P.D. and Speirs, N.A., "From Crash Tolerance to Authenticated Byzantine Tolerance: a Structured Approach, the Cost and Benefits", In Proceedings of the 2003 IEEE International Conference on Dependable Systems and Networks (DSN '03), San Francisco, California, USA, 22-25 June 2003, pp. 227-236, IEEE Computer Society Press.

Distant Past

Publications (Dec 1991-Oct 2000)

1*.     S.K. Shrivastava, P.D. Ezhilchelvan, N.A.Speirs, S.Tao, and A.Tully, "Principal Features of VOLTAN: A family of Reliable Node Architectures for Distributed Systems", IEEE Transactions on Computers, Special Issue on Fault Tolerant Computing, May 1992, pp. 542-549.

2*.     The design and implementation of VOLTAN fault-tolerant nodes for distributed systems, N A Speirs, S Tao, F V Brasileiro, P D Ezhilchelvan and S K Shrivastava, Transputer Communications, Vol 1 (2), pp. 93-109, November 1993.

3*.     P.D. Ezhilchelvan and S.K. Shrivastava, "rel/REL: A Family of Reliable Multicast Protocols for Distributed Systems", Distributed System Engineering Journal, 1(6) pp. 323-331, December 1994.

4*.     Sha Tao, P.D. Ezhilchelvan and S.K. Shrivastava, "Focused Fault Injection Testing of Software Implemented Fault Tolerance Mechanisms of VOLTAN TMR Nodes", Distributed System Engineering Journal, 2(1) pp 39-49, March 1995.

5.       P.D. Ezhilchelvan, R.A. Macedo, and S.K. Shrivastava, "Newtop: A Fault-Tolerant Group Communication Protocol", In Proceedings of the 15th International Conference on Distributed Computing Systems, Vancouver, Canada, June 1995, pp. 296-306.                                                                                (http://www.newcastle.research.ec.org/broadcast/trs/papers/48.ps )

-.       F V Brasileiro and P D Ezhilchelvan, "Atomic Broadcast Using Time-outs instead of Synchronised Time", In the Proceedings of the VI Simposio de Computadores Tolerantes a Falhas (Sixth symposium on Fault Tolerant Computers), Canela, Brazil, August 1995.

6.       F V Brasileiro, P D Ezhilchelvan and N A Speirs, "TMR processing without explicit clock synchronisation", The Proceedings of the 14th Symposium on Reliable Distributed Systems, Bad Neuenahr, Germany, September 1995, pp. 186-195.

7.       R A. Macedo, P.D. Ezhilchelvan, and S.K. Shrivastava, "Flow control schemes for A Fault-tolerant Multicast Protocol", The proceedings of the 1995 Pacific Rim International Symposium on Fault-Tolerant Systems (PRFTS), December 4-5, 1995, Newport Beach, California, pp. 80-85.

8*.     F V Brasileiro, P D Ezhilchelvan, S.K. Shrivastava, N A Speirs, and S. Tao "Implementing Fail-Silent nodes for Distributed Systems", IEEE Transactions on Computers, 45 (11), Nov 1996, pp. 1226-1238.

9.       A M P Barcellos and P D Ezhilchelvan, "An End-to-End Reliable Multicast Protocol using Polling for Scaleability", IEEE INFOCOM'98, San Francisco, April 98, pp. 1180-87.

10.     A M P Barcellos and P D Ezhilchelvan, "A Scalebale Polling-based Reliable Multicast Protocol" In Proc. of Fourth International Workshop on High Performance Protocol Architectures (HIPPARCH'98), UCL, London,15-16 June 1998.

11**. Paul Ezhilchelvan, Wiarygodnisc systemow komputerowych (Dependability of computer systems), in J. Gorski (ed): Inzynieria oprogramowania w projekcie informatycznym (Project Oriented Software Engineering), MIKOM, Warszawa, 1999.

12.     P D Ezhilchelvan and A Romanavsky, "Engineering Look Ahead in Distributed Conversations", The Fourth International IEEE Symposium on Autonomous Decentralized Systems, (ISADS99), March 21-23, 1999, Tokyo, Japan.

13.     P D Ezhilchelvan and S K Shrivastava, "Enhancing Replica Management Services to Tolerate Group Failures", Proceedings of the second International IEEE Symposium on Object oriented Real-time Computing (ISORC), May 1999, St Malo, France. (Also in ‘Advances in Distributed Systems’, LNCS 1752, (Eds. S Krakowiak and S K Shrivastava), Springer 2000, pp. 79-103.)

14.     G Morgan, S K Shrivastava, P D Ezhilchelvan, and M C Little, "Design and Implementation of a CORBA Fault-Tolerant Object Group Service", Second IFIP WG 6.1 International Working Conference on Distributed Applications and Interoperable Systems (DAIS99), June 99, Helsiki, Finland.

15.     C Liu, P D Ezhilchelvan and A M P Barcellos, "A Multicast Transport Protocol for Reliable Group Applications", First International Workshop on Networked Group Communications (NGC99), November, 1999, LNCS 1736, (Ed. L Rizzo and S. Fdida), Springer, pp.170-187.

16.     S.K. Shrivastava, P D Ezhilchelvan,  N. Speirs and J S Fitzgerald, “Safety Critical Distributed Systems: a State of Art Report”, Prepared for NATS, March 2000.

Publications (1986- Nov 91)

1.       P.D. Ezhilchelvan and S.K.Shrivastava, "A Characterisation of Faults in Systems", Proceedings of the 5th Symposium on Reliability in Distributed Software and Database Systems, Los Angeles, CA, January 1986, PP. 215-233.

2.       P.D. Ezhilchelvan, "Early Stopping Algorithms For Distributed Agreement Under Fail-stop, Omission, and Timing Fault Types", Proceedings of the 6th Symposium on Reliability in Distributed Software and Database Systems, Williamsburg, VA, April 1987, PP. 201-211.

3.       P.D. Ezhilchelvan, S.K.Shrivastava, and A. Tully, "Constructing Replicated Systems with Point-to-Point Communication Links", Proceedings of the 16th Symposium on Computer Architecture, Jerusalem, Israel, May 1989, PP. 177-185.

4.       R. de Lemos and P.D.Ezhilchelvan, "Agreement on Group Membership in Synchronous Distributed Systems", Proceedings of the fourth International Workshop on Distributed Algorithms, Bari, Italy, September 1990, Lecture Notes in Computer Science, Springer-Verlag, (Ed. J Van Leeuwan and N Santoro) No. 486, pp. 353-372.

5*.     P.D. Ezhilchelvan, I. Mitrani, and S.K.Shrivastatva, "A Performance Evaluation Study of TMR Pipeline Systems", IEEE Transactions on Parallel and Distributed Systems, Vol. 1, No. 4, October 1990, PP. 442-456.

6.       P.D. Ezhilchelvan, and R. de Lemos, "A Robust Group Membership Algorithm for Distributed Real-time systems", Proceedings of the 11th Real-Time Systems Symposium, Florida, December 1990, PP. 173-179.

7.       P.D. Ezhilchelvan, and S.K. Shrivastava, "A Distributed System Architecture Supporting High Availability and Reliability", Proceedings of the 2nd IFIP Working Conference on Dependable Computing For Critical Applications, Tucson, Arizona, February, 1991.

Unpublished papers