Dr. Timothy A. Gonsalves

Dr. Timothy A. Gonsalves
Phone : (+91) (1905) 300001
EMail : director[at]iitmandi[dot]ac[dot]in
Address : Director
Indian Institute of Technology, Mandi
Kamand Campus, VPO Kamand
Distt. Mandi - 175005
Himachal Pradesh, India


  • B. Tech. (Electronics), I.I.T., Madras, 1976
  • M. S. (Electrical), Rice University, Houston, Texas, 1979
  • Ph. D. (Electrical), Stanford University, California, 1986


  • Applied research in distributed applications, quality of service, network protocols, mobile/voice-based applications.
  • Development of products and technology in computer networks and telecommunications, especially aimed at mass markets in developing countries.
  • Promotion of software development in rural areas.
  • Teaching in systems areas of computer science and engineering.


  • Department of Computer Science, WPI, Worcester, Massachusetts: Assistant Professor, 1986-1988.
  • Department of Computer Science & Engg, I.I.T., Madras: Assistant Professor (1989) - Professor (present)
    Head of Department (Aug 2005 – Jan 2010)
  • Nilgiri Networks, Ooty: Director, 1999 - 2001 (on leave from IIT)
  • Indian Institute of Technology, Mandi Director, Jan 2010 – (present)

Professional Activities

  • Cofounder of the TeNeT Group (Telecommunications and Computer Networking) of IIT-Madras, 1992-present.
  • Helped IIT alumni found R&D companies -- Midas Communications, Banyan Networks, NMSWorks Software and ISoftTech.
  • Founded Nilgiri Networks, Ooty for telecom software development in a small town.
  • Director of NMSWorks Software Ltd and IIT-M Rural Technology Business Incubator.
  • Consultant to State Bank of India, Institute for Development and Research in Banking Technology (IDRBT), and 3i Infotech.
  • Conference/Program Co-Chair, IFIP Home Oriented IT Conference (HOIT 2007), Aug 2007, IIT-Madras.
  • Member, Technology Committee, Mobile Payment Forum of India (2007-10)

Recent R&D Projects (PI or Joint-PI)

  • Mobile Payment Certification Lab: definition of standards for mobile payments in India, and provision of certification/testing services.
    Sponsor: DIT - Rs. 48 lakhs, Apr. 2009 – Mar 2011
  • Indo-UK Advanced Technology Centre, PI for the Security & Resilience of Next Generation Networks Theme, Joint-PI for the Seamless Mobility and Disaster Recovery and Cross-Layer Energy Aware Network Management Themes. Coordinator for Rural Applications and Seamless Mobility Themes. Applied research and exchange of PhD students in various aspects of Next Generation Networks.
    Sponsor: DST + EPSRC (UK)
    • Security & Resilience of Next Generation Networks Theme: Rs. 1.22 crores
    • Seamless Mobility and Disaster Recovery Theme: Rs. 1.22 crores
    • Cross-Layer Energy Aware Network Management Theme: Rs. 1.76 crores
    • Overall project: Rs. 20 crores; 2009-2011
  • Distributed workflow for rural applications. R&D and development of prototypes for rural enterprises that are scalable across India’s 6,00,000 villages.
    Sponsor: Xerox Innovation Group, Rochester, USA. $1,50,000, Jan 2009-Dec 2011
  • Advanced Research In Communication And Information Technologies Sponsor: coordinated research in 12 areas of computer science that are of interest to DRDO.
    Sponsor: Centre for Artificial Intelligence, DRDO, Bangalore - Rs. 2.0 crores, 2008-2013.
  • Rural Technology Business Incubator (RTBI): to promote technologies and entrepreneurship for rural applications.
    Sponsors: DST + World Bank - Rs. 6 crores, 2007-2011.
  • Microsoft Technologies Lab: research and training in Microsoft OS technologies.
    Sponsor: Microsoft Corp, USA - $2,05,000, 2008-2010.
  • Advanced Network Management System: architecture, design and implementation of an integrated NMS for convergent telecom networks.
    Sponsor: NMSWorks Software, Chennai - Rs. 80 lakhs, 2002-2009.

Completed R&D Projects (selected)

  • Access terminal: embedded software, real-time OS for low-cost access terminals based on Leon and other processors; local language softwarefor Linux.
    Sponsor: Novatium Solutions, Chennai
  • Rural Automatic Teller Machine: design and implementation of the software of a Rs. 50,000 ATM that has been successfully commercialized.
    Sponsor: Vortex Engineering, Chennai
  • corDECT Wireless Local Loop: design and implementation of the embedded switching software running on Linux OS; performance evaluation of the system.
    Sponsor: Midas Communications, Chennai
  • Direct Internet Access System: system architecture, soft-switching concept.
    Sponsor: Midas Communications, Chennai
  • Minnow+BlueBill Internet Infrastructure Software: Linux-based Internet services and billing for telecom operators, scalable from 100-1, 00,000 subscribers LAN-T: design and implementation of a LAN trainer kit for educational use. In use by over 100 colleges in India, South Asia, Australia and UK.
    Sponsor: Benchmark Microsystems, Chennai


  • Best Paper Award, IPOM 2006 Conference, Dublin, Ireland, Oct. 2006.
  • IETE S.K. Mitra Memorial Award for best research oriented paper in the Journal of IETE in 2000, awarded on 3rd April 2003.

Indian Patents


  • A. Jhunjhunwala & T. A. Gonsalves, A Direct Internet Access System, Patent No. 208017, 12 Jan 2000.
  • A. Jhunjhunwala & T. A. Gonsalves, LAN Trainer Lab Apparatus, Patent No. 928, June 5, 1999


  • A. Jhunjhunwala, T.A. Gonsalves, Vijay Anand, "A Voice-Based System For Providing Online Transactions And Information Access And Retrieval", No. 1018 CHE 2007 dt 14/5/2007.

Institute Service


  • Director from 1/2010 - present


  • Head, Dept of Computer Science & Engg, 8/05 – 1/2010
  • Head, PG Senapathy Centre for Computational Resources, 8/05-11/08
  • Member:
    • Board of Academic Research
    • Board of Industrial Consultancy and Sponsored Research
    • MTech Admission Committee
    • Library Advisory Committee
  • GATE Chief Examiner for CS


  • Member, Board of Studies, IT Department, PSG College of Technology, Coimbatore.
  • External Examiner for PhD thesis, Waterford Institute of Technology, Ireland (May 2008), IIT Bombay, University of Hyderabad, Anna University.


Publications In Refereed Journals

  • R. Madanagopal, N. Usha Rani, T.A. Gonsalves, "Path Computation Algorithms for Dynamic Service Provisioning with Protection and Inverse Multiplexing in SDH/SONET Networks", IEEE/ACM Transactions on Networking, accepted, Feb 10.
  • C. Jagadish and T. A. Gonsalves, "Distributed Event Flood Control in a Large Telecom Network", Int’l. J. Network Mgmt., Accepted Jun 09.
  • C. Jagadish and T. A. Gonsalves, "Distributed Control of Performance Management Traffic with Accuracy Objectives", Int’l. J. Network Mgmt., in press for publication.
  • C. Jagadish, Vinod Jammula and Timothy A Gonsalves, "Low-cost DCN for rural telecom network management", Int'l Jour. Network Management, v 18, pp. 15-26, 2008. Published online: 2 Jan 07.
  • K.K. Manoj & T.A. Gonsalves, "Linux/Open Source Drives Internet Penetration in Rural India", CSI Communications, v 30, n 4, Jul. 06, pp. 43-47.
  • T.A. Gonsalves, "Web Services for Rural India", CSI Communications, v 29, n 9, Mar. 06, pp. 21-23.
  • A. Balaji, T.A. Gonsalves & R. Kumar, "The Performance of the corDECT Voice/Data Wireless Local Loop", IETE J. Research, Spcl. Issue on Wireless Technology, v 46, n 6, Nov-Dec. 00, pp. 489-503.
  • D. Venkatesulu, T.A. Gonsalves and R.K. Hariram, "On the Performance of Distributed Objects", Journal of Systems Architecture (46) 5 (2000) pp.411-428.
  • E. Elwin Stelzer & T.A. Gonsalves, "Embedding RMON in Large LAN Switches", IEEE Networks Mag., vol. 13, no. 1, Jan./Feb. 99, pp. 63-72.
  • D. Venkatesulu & T.A. Gonsalves, "Efficient Fault-tolerant Reliable Broadcast in a Multi-switch Extended LAN", Computer Communications, vol. 22, no. 3, 25 Feb. 99, pp. 266-278.
  • A. Jhunjhunwala, B. Ramamurthi & T.A. Gonsalves, "The Role of Technology in Telecom Expansion in India", IEEE Communications Mag., vol. 36, no. 11, Nov. 98, pp. 88-94.
  • R.K. Sanghi, Ashok Jhunjhunwala & T.A. Gonsalves, "Fibre Optics Ethernet Network for Voice and Data Communication", J. IETE, v 41, n2, Mar--Apr. 95, pp. 119--128.
  • S. Mahesh, C. Sivaram Murthy, T.A. Gonsalves & C. Pandurangan,"Modeling and Simulation of Dynamic Job Scheduling in MultiprocessorSystems", Int'l. J. Comp. Maths, v 58, 95, pp. 221--247.
  • A. Jhunjhunwala, M. Archana Rao, B. Murugesh, T.A. Gonsalves, & B. Ramamurthi, "A Reliable Fibre-Optic Ring Network for Process Control", Int'l J. Optoelectronics, v 8, n 4, 93, pp. 477-491.
  • M. Thomas, A. Jhunjhunwala, B. Ramamurthi & T.A. Gonsalves, "Designand Performance Evaluation of a Low Bit-Rate Packet Radio Network”, Jour. IETE, v 39, n 5, Sep-Oct. 93, pp. 281-290.
  • T.A. Gonsalves, "High-Speed Transport Protocols: Design and Implementation Issues", Jour. IETE, v 39, n 2, May-June 93,pp. 99-109.
  • T.A. Gonsalves & F.A. Tobagi, "Comparative Performance of Voice/Data Local Area Networks", IEEE J Selected Areas Commun., v 7, n5, Jun. 89, pp. 657-669.
  • T.A. Gonsalves & F.A. Tobagi, "On the Performance Effects of Station Locations and Access Protocol Parameters in Ethernet Networks", IEEE Tr. Commun., v COM-36, n 4, Apr. 88, pp. 441-449.

Publications In Refereed Conference Proceedings

  • Reena Singh and Dinil Mon Divakaran and Timothy A. Gonsalves. Taking Rural BPO to New Heights: An ACM for Distributed and Secure Document Sharing, In Fifth IEEE International Conference on Advanced Networks and Telecommunication Systems (IEEE ANTS 2011), Dec., 2011. Accepted for publication.
  • S. Ranbir Singh, Hema A. Murthy, Timothy A. Gonsalves, "Determining User's Interest in Real Time", Proc WWW 2008, Beijing, China, 21-25 Apr 2008.
  • S. Ranbir Singh, Hema A. Murthy, Timothy A. Gonsalves, "Effect of Word Density on Measuring Words Association", Proc ACM Compute 2008, Bangalore, India, 18-20 Jan 2008.
  • Suresh Guduru, Jakir Rehman, D.N. Rajan & T.A. Gonsalves, "Virtual Tuner Network for Video Services over the CATIUS Cable AccessNetwork", in Proc. NCC-08 14th Nat'l Conf. Commun., Jan. 08.
  • V.C.Raghavendran, T.A. Gonsalves, Usha Rani, S.Mohan Kumar, Shankar Narasimhan, "The Design and Implementation of a Network Management System for Water Distribution Networks", Proc. ADCOMP 2007, Guwahati, India, Dec. 2007.
  • S. Malhotra, P. Rathi, T.A. Gonsalves, A. Jhunjhunwala, T. Giri, "Untapped Resources! Amazing Potential! TeNeT's Rural BPO Initiative", in Proc. IFIP TC 9, WG 9.3 HOIT 2007 Conf., Aug 07, Chennai, India, pp. 21-33.
  • V.B. Harishankar, A. Ghode, A. Bandyopadhayay, M. Scotlin, H.A. Murthy, T.A. Gonsalves, A. Jhunjhunwala, "Teaching-Learning Strategies in Interactive Education -- A Case Study", in Proc. IFIP TC 9, WG 9.3 HOIT 2007 Conf., Aug 07, Chennai, India, pp. 79-89.
  • R. Madanagopal, N. Usha Rani and T.A. Gonsalves, "Path Computation Algorithms for Dynamic Service Provisioning in SDH Networks", 10th IFIP/IEEE Int'l Symp. Integrated Network Management (IM 2007), 21-25May 2007, Munich, Germany.
  • D.M. Divakaran, Hema A. Murthy and T.A. Gonsalves, "Traffic Modeling and Classification Using Packet Train Length and Packet Train Size", Proc. IPOM 2006, Dublin, Ireland, Oct. 06. (Best Paper Award)
  • Dinil Mon Divakaran, Hema A. Murthy and Timothy A. Gonsalves,"Detection of SYN Flooding Attacks Using Linear Prediction Analysis", 14th IEEE Int'l Conf on Networks, ICON 2006, Singapore, Sep. 13-15, 2006.
  • P. Manohar, Hema A. Murthy and T. A. Gonsalves, "An Application Independent Multimodal Interface for the Computer", Proc. NCC '06 12th Nat'l Conf Commun, IIT Delhi, Jan 06, pp. 275-279
  • D. Divakaran, Hema A. Murthy and Timothy A. Gonsalves, "Effective bandwidth Utilization for Multimedia Data Over Low Bandwidth Links", Proc. NCC-05 11th Nat'l Conf Commun, IIT Kharagpur, Jan 05,pp. 236-240.
  • K. Bhattacharya, N. Usha Rani, Timothy A. Gonsalves and HemaA. Murthy, "An Efficient Algorithm for Root Cause Analysis", Proc. NCC-05 11th Nat'l Conf Commun, IIT Kharagpur, Jan 05,pp. 447-451.
  • R. Deepak, N. Usha Rani, Timothy A. Gonsalves and Hema A. Murthy,"Network Security Management for a National ISP", Proc. NCC-05, 11th Nat'l Conf Commun, IIT Kharagpur, Jan 05, pp. 565-568.
  • A.G.K. Vanchynathan, N. Usha Rani, C. Charitha & T.A. Gonsalves,"Distributed NMS for Affordable Communications", Proc. NCC-04 10th Natl. Conf. Commun., IISc, Bangalore, 30/1-1/2/04, pp. 346-351.
  • T.A. Gonsalves, "The SNMP Manager-Agent Paradigm Revisited", Proc. Int'l. Conf. Broadband Commn. (ICBN 03), Banglore, India, May03.
  • M.A. Saifulla, Hema A. Murthy & T.A. Gonsalves, "Identifying Patternsin Internet Traffic", in Proc. 14th Int'l Conf Comp. Commun., 11-14Aug 02, Mumbai, pp. 859-865.
  • Hema Murthy, T.A. Gonsalves, R. Enoch, G. Sirisha, Valli Kannu, M. Mahesh, K. Getha, Saravan, Raghu Kishore, "A DSP Virtual Machine", Proc. 8th NCC Nat'l Conf on Commun., IIT-Bombay, pp. 200-204, Jan. 25-27, 2002.
  • Hema Murthy, B. Ramamurthi, T.A. Gonsalves, K. Balamurugan,S. Augustine, Ch. Vijayalakshmi, "CygPlan -- An Installation Planning Tool", Proc. 8th NCC Nat'l Conf on Commun., IIT-Bombay, pp. 433-437,Jan. 25-27, 2002
  • J Patricia, K Ratheesh, V S Shenoi, G Sreepriya, T A Gonsalves & Hema A Murthy, "Indian Language Support for the Linux Operating System", Int'l Symp on Information Technology, Peoples' Development and Culture, 12-16 Feb 2001, Allahabad, India.
  • A. Ramasamy, Hema A. Murthy & T.A. Gonsalves, "Linear Prediction for Traffic Management and Fault Detection", Proc. Int'l. Conf. Inf. Tech., Bhubaneswar, India, 21-23 Dec. 00, pp. 141-144.
  • Hema A Murthy, T A Gonsalves, B Madhavi, K Gupta, H Solanki, B Ramamurthi and A Jhunjhunwala, "CygPlan: An Installation Planner for Telecom Access Networks," Proc. NCC-2000, IIT-Delhi, Jan. 2000.
  • T A Gonsalves, Ashok JhunJhunwala, Hema A Murthy, et al., "CygNet: An Integrated Management for Modern Telecom Networks”, Proc. NCC-2000, IIT-Delhi, Jan. 2000.
  • A Ramasamy, Hema A Murthy and T A Gonsalves, "Linear Prediction for Network Management," Proc. NCC-2000, IIT-Delhi, Jan. 2000.
  • Balaji, A.; Gonsalves, T.A.; Kumar, R.; "The corDECT wireless local loop: capacity predictions", IEEE Int'l Conf on Personal Wireless Commun, 17-19 Feb. 1999 pp 359-363.
  • T.A. Gonsalves, "Performance Characteristics of 2 Ethernets: An Experimental Study", Proc. ACM SIGMETRICS Conf. on Measurement, Modeling of Computer Systems, Austin, Texas, Aug. 85, pp. 78-86.
  • T.A. Gonsalves, "Packet-Voice Communication on an Ethernet Local Network: an Experimental Study", ACM SIGCOMM Symp on Commun Arch and Protocols, Austin, Texas, Mar. 1983, pp. 178-185.
  • T.A. Gonsalves, & B. Kumar, "Analysis of Interconnection Structures for Distributed Computer Systems", In Proc. Conf. on Sim, Meas and Modeling of Comp Systems, Boulder, Colorado, pages 89-98. Aug. 1979.

Other Publications:

  • Contributing Author, Chapter 9 “Network Management”, in Mani Subramaniam, Network Management: Principles and Practice, Pearson, 2009.
  • B. Sain & T.A. Gonsalves, "KeRTESy: A Real-Time Event-driven Microkernel", Dr. Dobb's.J., Mar. 97, pp. 48--58.
  • T.A. Gonsalves, "Measured Performance of the Ethernet", in Advances in Local Area Networks, eds. K. Kummerle, J.O. Limb, & F.A.Tobagi, IEEE Press, New York, 1987, pp. 383-410.

Tutorials and Short-term Courses (recent)

  • T.A. Gonsalves, “Design of an NMS Server”, ½ day tutorial, NCC-09 15th Nat'l Conf. Commun., Guwahati, Jan. 2009.
  • Shankar Balachandran, T.A. Gonsalves, & Hema Murthy "Teaching Computer Networks Effectively", QIP STTC, , 16-27 June 2008, IIT-Madras.
  • T. A. Gonsalves & Usha Rani, “Security Issues in Wireless Networks”, invited ½ day tutorial, 7th Int’l Conference on Information Technology, Bhubaneswar, Dec. 2006.
  • T.A. Gonsalves & Usha Rani, “Management of Service Level Agreements”, ½ day tutorial, 10th Natl. Conf. Commun. NCC-04, IISc, Bangalore, Jan. 2004.

Invited Talks (recent)


  • "FORESTING INNOVATION at IIT Mandi" on 4th February, 2013, Kathmandu University.
  • "The IIT-Madras Experience in Developing Talent through Incubation”, Agora Talentia, the 1st World Forum on Talent, Pamplona, Spain, Feb. 2009.
  • “Towards Sustainable Development”, The Karlskrona Dialogues, Karlskrona, Sweden, May 2008.
  • “Towards Internet for the Next Billion”, NTU, Singapore, July 2007.
  • "TeNeT & Innovation: The TeNeT Group's Experience in Driving Dreams for India", Univ of California, Irvine, USA, Dec. 2006
  • "Towards Internet for the Next Billion", EECS Department, MIT, USA, Dec 2006


  • As Keynote Speaker "INNOVATION FOR A BETTER INDIA" on 25th-27th October, 2012, MNIT Jaipur.
  • Plenary talk, "ICT for Sustainable Development", 4th Int'l Conf on Computer Appls in Elec Engg - Recent Advances (CERA-09), IIT Roorkee, India, Feb. 20, 2010.
  • Regular invited speaker at various engineering colleges and universities and National Conferences

Professional Society Memberships

  • Member, IEEE
  • Senior Member, ACM
  • Member, CSI