2623 River Oaks Dr Columbus, OH 43228

PRASAD CALYAM http://www.ece.osu.edu/~calyama

Phone: (614)270-5254 E-mail: calyam.1@osu.edu

OBJECTIVE:

To leverage my strong system-building skills obtained from over 7 years of work experience to design and develop advanced technologies and services in the area of computer networking and multimedia applications.

EDUCATION:

The Ohio State University

Ph.D. in Electrical and Computer Engineering                                                                                                                   Jan 2003 – Oct 2007

M.S. in Electrical and Computer Engineering                                                                                                                 Sept 2000 – June 2002

GPA – 3.73/4.0                                                                                                                            

Bangalore University

B.E. in Electrical and Electronics Engineering                                                                                                                     Oct 1995 – Sept 1999

University Rank – 6 out of ~1000 students

CERTIFICATION:

Cisco Certified Network Associate – CCNA 640-607 (Score: 961/1000)                                                                                 Jan 2003

WORK EXPERIENCE:

OARnet (A Division of Ohio Supercomputer Center), Columbus, Ohio

Senior Systems Developer/Engineer                                                                                                                              October 2005 – Present

Systems Developer/Engineer                                                                                                                                   August 2002 – October 2005

- Project Lead and Developer of  “H.323 Beacon”- an open-source Voice and Video over IP (VVoIP) end-to-end performance measurement and troubleshooting software. http://www.itecohio.org/beacon

- Project Lead and Developer of  “ActiveMon”- an extensible and open-source software framework for generation and analysis of active measurements for routine network health monitoring. http://www.itecohio.org/activemon

- Project Lead and Developer of “RICE” - Remote Instrumentation Collaboration Environment software.

- Project Lead for conducting research on end-to-end performance issues of advanced Internet technologies such as VoIP, Videoconferencing, Disaster data recovery, Remote Instrumentation and Security. http://www.osc.edu/research/networking

- Project Lead for deploying Network Measurement Infrastructures to indicate performance capabilities and problems of several Ohio-based Universities connecting to OSCnet (OARnet) and Abilene (Internet2) backbones.

- Project Lead for 2006 ECOM-Ohio study conducted for the Ohio Department of Development - to analyze the availability and pricing of high-capacity broadband services in different regions of the state for the purpose of identifying under-served areas.

OARnet (A Division of Ohio Supercomputer Center), Columbus, Ohio                                                     June 2001 – June 2002

Summer Intern and Graduate Research Associate                                                                                       

- Designed and developed a prototype of the “H.323 Beacon”.

- Conducted research in quantifying Quality of Service metrics for acceptable H.323 video/audio performance and recommended best practices for large-scale H.323 Videoconferencing systems.

Office of Information Technology, The Ohio State University, Columbus, Ohio                                       Sept 2000 – June 2001

Graduate Research Associate for the Chief Research Engineer

- Member of the team that setup the historic “Barbershop Quartet” which demonstrated the ability of using Internet Videoconferencing for Tele-music during the Fall 2000 Internet2 conference held at Atlanta, Georgia.

- Member of the team, which designed the “Classroom of the Future” for Tech-Expo 2000 at the Ohio State University using technologies such as Smart Boards, videoconferencing and wireless connectivity.

MphasiS Ltd., (formerly BFL Software) Bangalore, India – A SEI CMM Level 5 Company                     Nov 1999 – July 2000

Associate Systems Engineer

- Designed and developed a software security system for Samsung Electronics Corporation, Korea that restricts the usage of a dual line fax machine and also logs, maintains and generates reports relating to the usage of the fax machine. (pSOS, C)

- Developed Vehicle Message Simulator software for Eaton Corporation, USA to simulate the JBUS messages to test the Driver Display Module Software that is installed on the Truck PCs to monitor the performance of the truck. (VC++)

Indian Institute of Science, Department of Electrical Communication Engineering, Bangalore, India       June 1998 – Nov 1999
Student Research Assistant

- Designed, analyzed and implemented a low loss, high speed, analog fiber optic link, used for a “Photonic True Time Delay Network”, for beam steering of phased array antennas.

- Assisted in preliminary research for developing Terabit Optical Network components.

CONSULTING EXPERIENCE:

Internet2 End-to-End Performance Initiative, Ann Arbor, Michigan                                                                     August 2002 – July 2004

E2E Network Performance Consultant (0.5 FTE position)

- Developed Network Measurement Infrastructure software to indicate performance capabilities and problems of the Abilene Network (Internet2 network backbone).

Apparent Networks, Vancouver, Canada                                                                                                                                                June 2005

VVoIP Expert Consultant

- Invited as an expert to discuss characteristics of “Voice and Video over IP” applications and their performance troubleshooting techniques so as to develop a conceptual basis for a solution within the AppareNet© network performance testing framework.

Plannet Group, Columbus, Ohio                                                                                                                                                   April - July 2006

Network Management Expert Consultant

- Invited as an expert to discuss capabilities and uses of active measurements in application performance troubleshooting techniques; also provided a conceptual basis for an active measurements solution within their Mission Control© framework.

TECHNICAL SKILLS:

Operating Systems:	pSOS (Real Time OS), RTLinux, Windows, UNIX (HP, SUN, FreeBSD, Linux)
Languages:	C, C++, Java, Perl, FORTRAN, 8085 and 68K assembly languages, UML, SQL (Oracle/MySQL/Access), XML, VHDL, HTML
Development Tools:	VC++, JBuilder, WDKLite, Minitab, R, CVS/SVN, Cadence, Debuggers

MANAGEMENT SKILLS:

Human Resources:	Recruited and directly supervised 7 Undergraduate and 5 Graduate students (GRAs)
System Resources:	Deployed and managed more than 30 test and measurement equipment at various network peering points; managed open-source software development environments
Grant Proposals:	Written to NSF, NIJ, DHS, OBOR
Budgets:	Prepared and managed budgets as part of research projects and grant proposals

TERM PROJECTS:

- Designed and developed the “SMS BOSS” application, which is capable of delivering personalized SMS services to cell phone users wanting access to their home/office utilities and other personalized information when they are on the road.

- Designed and developed an algorithm to dynamically discover and retrieve data along any end-to-end path spanning multiple federations of sensor networks. (Perl multithreading, MySQL)

- Designed and simulated a QoS enabled Network Router chip using Content Addressable Memory. (Cadence)

- Designed and developed a software module to simulate a Machine-Controller-Sensor assembly. (Java multithreading, UML, Use case analysis, Design Patterns)

- Implemented the CRC algorithm for error detection in a given stream of bits. (C)

- Simulated a race condition using multithreading and employed semaphores to maintain validity of a database. (C)

- Implemented the Go-back-N ARQ protocol. (C)

- Developed a multi-threaded web server using Websprocket’s “Java on Bare Metal” technology. (Java)

- Designed a “Network Forensics” project and led a team of gifted high-school students as part of OSC’s 2007 Summer Institute.

PEER-REVIEWED PUBLICATIONS:

- P. Calyam, E. Ekici, C. G. Lee, M. Haffner, N. Howes, “A ‘GAP-Model’ based Framework for Online VVoIP QoE Measurement”, Journal of Communications and Networks (JCN), 2007.

- P. Calyam, N. Howes, A. Kalash, M. Haffner, “User and Network Interplay in Internet Telemicroscopy”, ICST/ACM Immersive Telecommunications (IMMERSCOM), 2007.

- P. Calyam, M. Haffner, E. Ekici, C. G. Lee, “Measuring Interaction QoE in Internet Videoconferencing”, IEEE/IFIP Management of Multimedia and Mobile Networks and Services (MMNS), Proceedings published in Springer-Verlag Lecture Notes in Computer Science, 2007.

- P. Calyam, C.G.Lee, E. Ekici, M. Haffner, N. Howes, “Orchestrating Network-wide Active Measurements for Supporting Distributed Computing Applications”, IEEE Transactions on Computers Journal (TC), 2006.

- K. Salah, P. Calyam, M. Buhari, “Assessing Readiness of IP Networks to Support Desktop Videoconferencing using OPNET”, Elsevier Journal of Network and Computer Applications (JNCA), 2006.

- W. Yu, X. Wang, P. Calyam, D. Xuan and W. Zhao, "On Detecting Camouflaging Worms", Annual Computer Security Applications Conference (ACSAC), 2006.

- P. Calyam, C.G.Lee, P. K. Arava, D. Krymskiy, “Enhanced EDF Scheduling Algorithms for Orchestrating Network-wide Active Measurements”, IEEE Real-Time Systems Symposium (RTSS), 2005.

- P. Calyam, D. Krymskiy, M. Sridharan, P. Schopis, "Active and Passive Measurements on Campus, Regional and National Network Backbone Paths", IEEE International Conference on Computer Communications and Networks (ICCCN), 2005.

- P. Calyam, C.G. Lee, “Characterizing voice and video traffic behavior on the Internet”, International Symposium on Computer and Information Sciences (ISCIS), Proceedings published by  Imperial College Press in a special edition of "Advances in Computer Science and Engineering" Book Series, 2005.

- A. Sukhov, P. Calyam, W. Daly, A. Illin, “Towards an Analytical Model for characterizing behavior of High-Speed VVoIP applications", TERENA Networking Conference (TNC), Proceedings published in Computational Methods in Science and Technology Journal (Volume 11(2)),  2005.

- P. Calyam, C.G. Lee, P.K. Arava, D. Krymskiy, D. Lee, “OnTimeMeasure: A Scalable Framework for scheduling active measurements”, IEEE/IFIP End-to-End Monitoring Workshop (E2EMON), 2005.

- P. Calyam, D. Krymskiy, M. Sridharan, P. Schopis, "TBI: End-to-End Network Performance Measurement Testbed for Empirical-bottleneck Detection", IEEE Testbeds and Research Infrastructures for the Development of Networks and Communities (TRIDENTCOM), 2005.

- A. Sukhov, P. Calyam, W. Daly, A. Illin, "Network Requirements for High-Speed Real-Time Multimedia Data Streams", IPv6 Global Summit, 2004.

- P. Calyam, W. Mandrawa, M. Sridharan, A. Khan, P. Schopis, “H.323 Beacon: An H.323 application related end-to-end performance troubleshooting tool”, ACM SIGCOMM Workshop on Network Troubleshooting (NetTs), 2004.

- P. Calyam, M. Sridharan, W. Mandrawa, P. Schopis “Performance Measurement and Analysis of H.323 Traffic”, Passive and Active Measurement Workshop (PAM), Proceedings published in Springer-Verlag Lecture Notes in Computer Science, 2004.

TECHNICAL WHITEPAPERS:

- P. Calyam, L. Jorgenson, “Network Performance Infrastructures - Part-II”, Apparent Networks Whitepaper, 2007.

- P. Calyam, S. Gordon, M. Woo, D. Walsh, “2006 ECOM-Ohio Study”, OSC Technical Report prepared for the Ohio Department of Development, 2006.

- P. Calyam, P. K. Arava, N. Howes, S. Samsi, C. Butler, J. Jones, “Network Tuning and Monitoring for Disaster Recovery Data Backup and Retrieval”, OSC Technical Whitepaper, 2005. (Presented at SUN SuperG Meeting)

- P. Calyam, L. Jorgenson, “Network Performance Infrastructures - Part-I”, Apparent Networks Whitepaper, 2003.

- P. Calyam, “Performance Measurement and Analysis of H.323 Videoconferencing Traffic”, M.S. Thesis - Supported by American Distance Education Consortium (ADEC), 2002.

TECHNICAL PRESENTATIONS:

- “Remote Instrumentation Collaboration Environment (RICE) for Online Training and Research”, SLOAN-C International Conference on Online Learning, Orlando, 2007.

- “Telemicroscopy Performance Measurements”, Internet2 Fall Member Meeting, Chicago, 2006.

- “State-wide Disaster Recovery for Ohio’s Higher Education”, Windows on the Future, Columbus, 2006.

- “AppareNet Deployment at OARnet”, Apparent Networks User Conference, Whistler, 2006.

- “Measurement Infrastructure Deployment Experiences @ OARnet”, Internet2/ESCC Joint Techs, Albuquerque, 2006.

- “Broadband 101: An Introduction to Broadband Technologies”, Ohio Department of Development sponsored Broadband Basics Workshop, Wooster, 2005.

- “Voice and Video over IP”, OSU-CSE 679 Class Lecture, 2002/2003/2004/2005.

- “Network Router Architectures”, OSU-CSE 677 Class Lecture, 2005/2006/2007.

- “Tutorial: Troubleshooting Voice and Video Performance over IP using Measurement Tools”, Tools Tutorial at Internet2/ESCC Joint Techs, Salt Lake City, 2005.

- “Third Frontier Network Measurement Project”, Internet2/ESCC Joint Techs, Columbus, 2004.

- “Voice and Video Performance over an IP-based Satellite Link”, Internet2/ESCC Joint Techs, Columbus, 2004.

- “How Friendly is the Internet to Videoconferencing?”, National Internet2 Day, Columbus, 2004.

- “E2E Measurement Issues for VoIP Systems”, Internet2 VoIP Workshop, Indianapolis, 2003.

- “Network Measurement Infrastructures: Motivations and Challenges”, Internet2/ESCC Joint Techs, Kansas, 2003.

-  “H.323 Beacon: An end-to-end H.323 performance monitoring tool”, Internet2 Fall Member Meeting, Los Angeles, 2002.

HONORS:

- “Sir M. Visvesvaraya Award for Academic Excellence” at the Bangalore University.

-  Listed in Marquis’ Who’s Who in America.

AFFILIATIONS:

- Member of the Technical Advisory Council for Ohio Library and Information Network (OhioLINK).

- Member of the Technical Advisory Council for the Internet2 End-to-End Performance Initiative (E2Epi).

- Member of the Internet2 Technology Evaluation Center of Ohio (ITEC-Ohio)

- Member of IEEE

- Technical Program Committee for: IEEE ICCCN 2006/2007, Advanced Technology Summit 2007, ODCE 2008;  Reviewer for: IEEE Transactions on Multimedia, IEEE Transactions on Parallel and Distributed Systems, ACM Mobile Computing and Communications Review, Elsevier European Journal of Operational Research, HPSR 2007, ISCIS 2005, Globecom 2005/2007, ICDCS 2005.