Peer-reviewed Publications

• "An Adaptive Strategy for Scheduling Data-Intensive Applications in Grid Environments", W. Liu, R. Kettimuthu, B. Li, I. Foster, Proceedings of 17th IEEE International Conference on Telecommunications - Networking and Internet Computing (ICT 2010), Apr 2010. (to appear)

• "Performance Characterization of GridFTP on 10 Gigabit Networks Using Hosts with 10Gb Network Interface Cards", Jamie Schwettmann and Rajkumar Kettimuthu, Oklahoma Supercomputing Symposium, Oct 2009 (pdf).

• "GridFTP GUI: An Easy and Efficient Way to Transfer Data in Grid", Wantao Liu, Rajkumar Kettimuthu, Brian Tieman, Ravi Madduri, Bo Li and Ian Foster, Proceedings of the Third International Conference on Networks for Grid Applications (GridNets 2009), September 2009 (pdf)

• "DataMover: A Lightweight Extensible Data Movement Framework for Grid Environment", Liu Wantao, Rajkumar Kettimuthu and Ravi Madduri, Proceedings of the 2009 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2009), July 2009 (pdf)

• "GridFTP Multilinking", John Bresnahan, Michael Link, Rajkumar Kettimuthu and Ian Foster, Proceedings of the 2009 TeraGrid Conference, Arlington, VA, June 2009 (pdf)

• "UDT as an Alternative Transport Protocol for GridFTP", John Bresnahan, Michael Link, Rajkumar Kettimuthu and Ian Foster, Proceedings of the 7th International Workshop on Protocols for Future, Large-Scale and Diverse Network Transports (PFLDNeT 2009), Tokyo, Japan, May 2009 (pdf)

• "Communicating Security Assertions over the GridFTP Control Channel", Rajkumar Kettimuthu, Liu Wantao, Frank Siebenlist and Ian Foster, 4th IEEE International Conference on e-Science, Dec 2008 (pdf).

• "Using Overlays For Efficient Data Transfer Over Shared Wide-Area Networks", Gaurav Khanna, Umit Catalyurek, Tahsin Kurc, Rajkumar Kettimuthu, P. Sadayappan, Ian Foster and Joel Saltz, Proceedings of the 2008 ACM/IEEE conference on Supercomputing (SC'08), November 2008 (pdf)

• "A GridFTP Transport Driver for Globus XIO", Rajkumar Kettimuthu, Liu Wantao, Joseph Link and John Bresnahan, Proceedings of the 2008 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2008), July 2008 (pdf)

• "Multi-Hop Path Splitting and Multi-Pathing Optimizations for Data Transfers over Shared Wide-Area Networks using GridFTP", Gaurav Khanna, Umit Catalyurek, Tahsin Kurc, Rajkumar Kettimuthu, P. Sadayappan, Joel Saltz and Ian Foster, Proceedings of the 17th IEEE International Symposium on High-Performance Distributed Computing (HPDC), June 2008 (pdf).

• "A POSIX-like Client Interface for GridFTP", Rajkumar Kettimuthu, Liu Wantao, John Bresnahan and Joseph Link, Proceedings of the 2008 TeraGrid Conference, June 2008 (pdf).

• "A Dynamic Scheduling Approach for Coordinated Wide-Area Data Transfers using GridFTP", Gaurav Khanna, Umit Catalyurek, Tahsin Kurc, Rajkumar Kettimuthu, P. Sadayappan and Joel Saltz, Proceedings of the 22nd IEEE International Parallel and Distributed Processing Symposium (IPDPS 2008), April 2008 (pdf)

• "Semantics-based Distributed I/O for mpiBLAST", Pavan Balaji, Wu-chun Feng, Jeremy Archuleta, Heshan Lin, Rajkumar Kettimuthu, Rajeev Thakur and Xiaosong Ma, Proceedings of the 13th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP), February 2008 (pdf).

• "LEGS: A WSRF Service to Estimate Latency Between Arbitrary Hosts on the Internet", R. Vijayprasanth, R. Kavithaa and Rajkumar Kettimuthu, Proceedings of the 2007 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2007), June 2007 (pdf)

• "GridFTP Pipelining", John Bresnahan, Michael Link, Rajkumar Kettimuthu, Dan Fraser and Ian Foster, Proceedings of the 2007 TeraGrid Conference, June 2007 (pdf)

• "Harnessing Multicore Processors for High Speed Secure Transfer", John Bresnahan, Rajkumar Kettimuthu, Michael Link and Ian Foster, Proceedings of the 26th IEEE Infocom's High-Speed Networks Workshop, May 2007 (pdf)

• "GridCopy: Moving Data Fast on the Grid", Rajkumar Kettimuthu, William Allcock, Lee Liming, John-Paul Navarro and Ian Foster, Proceedings of the Fourth High Performance Grid Computing Workshop to be held in conjunction with International Parallel and Distributed Processing Symposium (IPDPS 2007), March 2007 (pdf)

• "XIOPerf: A Tool for Evaluating Network Protocols", John Bresnahan, Rajkumar Kettimuthu and Ian Foster, Proceedings of the Third International Workshop on Networks for Grid Applications (GridNets 2006), October 2006 (pdf)

• "The Globus Striped GridFTP Framework and Server", William Allcock, John Bresnahan, Rajkumar Kettimuthu, Michael Link, Catalin Dumitrescu, Ioan Raicu and Ian Foster, Proceedings of the 2005 ACM/IEEE conference on Supercomputing (SC'05), November 2005 (pdf)

• "Restricted Slow-Start for TCP", William Allcock, Sanjay Hegde and Rajkumar Kettimuthu, The 2005 IEEE International Conference on Cluster Computing 2005, September 2005. (ppt)

• "Globus Data Storage Interface (DSI) - Enabling Easy Access to Grid Datasets", Rajkumar Kettimuthu, Michael Link, John Bresnahan and William Allcock, First DIALOGUE Workshop: Applications-Driven Issues in Data Grids, August 2005. (pdf)

• "A Performance Study of Parallel FFT in Clos and Mesh Networks", Rajkumar Kettimuthu and Sankara Muthukrishnan, Proceedings of the 2005 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA 2005), June 2005 (pdf)

• "Is Bluetooth Suitable for Large-Scale Sensor Networks?", Rajkumar Kettimuthu and Sankara Muthukrishnan, Proceedings of the 2005 International Conference on Wireless Networks (ICWN 2005), June 2005 (pdf)

• "The Globus eXtensible Input/Output System (XIO): A protocol independent IO system for the Grid", William Allcock, John Bresnahan, Rajkumar Kettimuthu and Joseph Link, Proceedings of the Joint Workshop on High-Performance Grid Computing and High-Level Parallel Programming Models held in conjunction with International Parallel and Distributed Processing Symposium (IPDPS 2005), April 2005 (pdf)

• "Selective Preemption Strategies for Parallel Job Scheduling", Rajkumar Kettimuthu, Vijay Subramani, Srividya Srinivasan, Thiagaraja B. Gopalsamy, D. K. Panda and P. Sadayappan, International Journal of High Performance Computing and Networking, Vol. 3, Nos. 2/3, pp. 122-152, 2005 (pdf)

• "Improved Selective Acknowledgment Scheme for TCP", Rajkumar Kettimuthu and William Allcock, Proceedings of the 2004 International Conference on Internet Computing (IC 2004), June 2004 (pdf)

• "Grid-enabled particle physics event analysis: experiences using a 10 Gb, high-latency network for a high-energy physics application", William Allcock, John Bresnahan, Julian Bunn, Sanjay Hedge, Joe Insley, Rajkumar Kettimuthu, Harvey Nueuman, Tony Rimovsky, Conrad Steenberg and Linda Winkler, Future Generation Computer Systems (FGCS), Volume 19, Issue 6, Pages 983-997, August 2003 (Special Issue on 3rd biennial International Grid applications-driven testbed event, Amsterdam, The Netherlands, 23-26 September 2002) (pdf)

• "Scheduling of Parallel Jobs in a Heterogeneous Multi-Site Environment", Gerald Sabin, Rajkumar Kettimuthu, Arun Rajan and P. Sadayappan, Proceedings of 9th Workshop on Job Scheduling Strategies for Parallel Processing (JSSPP 2003), June 2003 (pdf)

• "A Characterization of Approaches to Parallel Job Scheduling", Gerald Sabin, Arun Rajan, Rajkumar Kettimuthu, and P. Sadayappan, Salishan Conference on High Speed Computing, 2003. (ppt)

• "Effective Selection of Partition Sizes for Moldable Scheduling of Parallel Jobs", Srividya Srinivasan, Vijay Subramani, Rajkumar Kettimuthu, Praveen Holenarsipur and P. Sadayappan, Proceedings of 9th International Conference on High Performance Computing, December 2002 (pdf)

• "Appropriateness of Transport Mechanisms in Data Grid Middleware", Rajkumar Kettimuthu, Sanjay Hegde, William E. Allcock and John Bresnahan, 15th Annual SuperComputing Conference (SC 2002), November 2002. (ppt)

• "Selective Buddy Allocation for Scheduling Parallel Jobs on Clusters", Vijay Subramani, Rajkumar Kettimuthu, Srividya Srinivasan, Jeanette Johnston and P. Sadayappan, Proceedings of IEEE International Conference on Cluster Computing (CLUSTER 2002), September 2002 (pdf)

• "Selective Preemption Strategies for Parallel Job Scheduling", Rajkumar Kettimuthu, Vijay Subramani, Srividya Srinivasan, Thiagaraja B. Gopalsamy, D. K. Panda and P. Sadayappan, Proceedings of the 2002 International Conference on Parallel Processing (ICPP 2002), August 2002 (pdf)

• "Characterization of Backfilling Strategies for Parallel Job Scheduling", Srividya Srinivasan, Rajkumar Kettimuthu, Vijay Subramani and P. Sadayappan, Proceedings of the 2002 International Workshops on Parallel Processing (held in conjunction with the 2002 International Conference on Parallel Processing, ICPP 2002), August 2002 (pdf)

• "Distributed Job Scheduling on Computational Grids using Multiple Simultaneous Requests", Vijay Subramani, Rajkumar Kettimuthu, Srividya Srinivasan and P. Sadayappan, Proceedings of 11th IEEE Symposium on High Performance Distributed Computing (HPDC 2002), July 2002 (pdf)

• "Selective Reservation Strategies for Backfill Job Scheduling", Srividya Srinivasan, Rajkumar Kettimuthu, Vijay Subramani and P. Sadayappan, Proceedings of 8th Workshop on Job Scheduling Strategies for Parallel Processing (JSSPP 2002), July 2002 (pdf)

Invited Paper

• "Globus GridFTP: What's New in 2007", John Bresnahan, Michael Link, Gaurav Khanna, Zulfikar Imani, Rajkumar Kettimuthu and Ian Foster, Proceedings of the First International Conference on Networks for Grid Applications (GridNets 2007), October 2007 (pdf)

Technical Reports

• "Enabling Petascale Data Movement and Analysis", Ian Foster, Ann Chervenak, Dan Gunter, Kate Keahey, Ravi Madduri, Raj Kettimuthu, Scientific Discovery through Advanced Computing (SciDAC) review, Winter 2009

• "Survey of Protocols and Mechanisms for Enhanced Transport over Long Fat Pipes", Eric He, Rajkumar Kettimuthu, Sanjay Hegde, Yunhong Gu, Michael Welzl, Pascale Primet, Jason Leigh and Chaoyue Xiong. Global Grid Forum White paper Draft (work in progress), Data Transport Research Group, 2003/2004 (pdf)

• "Selective Preemption Strategies for Parallel Job Scheduling", Rajkumar Kettimuthu. Master's Thesis, Department of Computer and Information Science, The Ohio State University, March 2003 (pdf)

• "An Evaluation of Preemption Strategies for Parallel Job Scheduling", Rajkumar Kettimuthu, Vijay Subramani, Srividya Srinivasan, Thiagaraja B. Gopalsamy, D.K. Panda, and P. Sadayappan. Technical Report OSU-CISRC-11/01-TR22, The Ohio State University, November 2001 (pdf)