May 13, 2019: "Rising Power of the Network User," 23rd Conference On Optical Network Design And Modelling (ONDM 2019), Athens, Greece.
July 19, 2018: "Rising Power of the Network User," DOE Mini-Symposium on Data over Distance: Convergence of Networking, Storage, Transport, and Software, Hanover, MD, USA.
June 20, 2018: "Rising Power of the Network User," European Conference on Networks and Communications (EuCNC) 2018, Ljubljana, Slovenia.
January 5, 2017: "Cloud Computing and Virtualization," Indian Science Congress, Tirupati, India.
January 5, 2017: "5G and IoT," Indian Science Congress, Tirupati, India.
September 24, 2016: "Disaster Resilience of Telecom Infrastructure," Chinacom, Chongqing, China.
September 13, 2016: "Disaster Resilience of Telecom Infrastructure," Reliable Networks Design and Modeling (RNDM) Conference, Halmstad, Sweden.
September 12, 2016: "Network Resilience for Massive Failures and Attacks," COST/RECODIS, Halmstad, Sweden.
March 4, 2016: "Network Adaptability to Combat Disaster Disruptions and Cascading Failures," National Communications Conference (NCC), IIT Gauhati, India.
February 29, 2016: Guest of Honor Lecture, Research Day, SRM University, Chennai, India.
March 25, 2015: "Network Adaptability from Disaster Disruption and Cascading Failures," Design of Reliable Computer Networks (DRCN) Conference, Kansas City, USA.
October 28, 2013: "Software-Defined Optical Networks (SDONs)," ETRI Annual Conference, Jeju, Korea.
April 18, 2013: "Panorama of Optical Network Survivability," Optical Network Design and Modeling (ONDM) Conference, Brest, France.
September 3, 2012: "Emerging Technology/Research Trends in Next Generation Optical Networks," Chief Guest and Inauguration Address, Faculty Development Program, SRM University, Chennai, India.
July 4, 2011: "Network Convergence in the Future Internet", at 12th International Conference on High Performance Switching and Routing (HPSR), Cartagena, Spain.
June 27, 2011: "Some “Opaque” Problems in Transparent Optical Networks", at International Conference on Transparent Optical Networks (ICTON), Stockholm, Sweden.
May 31, 2011: Brazilian Symposium on Networks and Distributed System (SBRC), Campo Grande, Brazil.
November 9, 2010: Guest Professorship Lecture: "Network Convergence in the Future Internet", at Beijing University of Posts and Telecommunications (BUPT), China.
November 11, 2010: "Energy Savings in Telecom Networks", at 2010 International Workshop on Future Networking Technologies, Nanjing, China.
July 12, 2010: "Convergence in the Optical Internet (COIN)", at 9th Convergence in the Optical Internet (COIN), Jeju, Korea.
April 13, 2010: "Network Convergence in the Future Internet", at 33rd IEEE Sarnoff Symposium, Princeton, NJ, USA.
February 19, 2010: "Green Technologies for Access and Core Networks", at 2010 ICC Workshop on IT Convergence, KAIST, Daejeon, Korea.
September 9, 2009: "Technology Innovations for the Future Internet: Access Networks", at Optical Network Workshop, Istanbul, Turkey.
September 8, 2009: "Technology Innovations for the Future Internet: Core Networks", at Optical Network Workshop, Istanbul, Turkey.
May 2, 2007: Keynote Address, "Designing Robust (Telecom) Networks", Fourth Workshop on Optimization of Optical Networks (OON), Concordia University, Canada, May 2-3, 2007.
April 1, 2006: Plenary Talk, "Creating New Services and Service-Level Agreements (SLAs) in Telecom Networks," presented at the 8th Informs Telecom Conference, Dallas TX, April 2006.
February 6, 2006: Keynote Talk: "Optical Networking: Its Inter-Disciplinary Nature and New Research Challenges," presented at COST291/GBOU ONNA Workshop on Design of Next-Generation Optical Networks, Ghent, Belgium, February 2006.
October 7, 2005: Keynote Talk: "Traffic Grooming, Inverse Grooming, and Survivability Problems in Optical Networks," presented at Workshop on Traffic Grooming, Boston MA, October 2005.
December 22, 2004: Keynote Talk: "Designing Robust (Telecom) Networks," presented at the Trusted Internet Workshop (TIW-04), Bangalore, India.
Sept. 19, 2002: Keynote Address: "R&D Priorities and Challenges for Optical Networking," presented at the Ninth Communications Horizon Seminar, Singapore, 2002.
October 29, 1999: Keynote address: "Fault Management in IP-over-WDM Networks: WDM Protection vs. IP Restoration," CITO/OCRI TechTalk Technology Research Workshop on Optical Networks, Ottawa, Canada.
Sept. 24, 1997: Keynote address: "Optical Networks -- Status Report and the Road Ahead", Sixth International Conference on Computer Communications and Networks, Las Vegas, NV.
