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Activities

Professional Affiliations and Leadership

  • Fellow, IEEE.
  • Fellow, Asia-Pacific Artificial Intelligence Association (AIAA).
  • Distinguished Lecturer, IEEE Communications Society, 2018-21.
  • Member of IEEE, ACM, and OSA.
  • Chair, IEEE ComSoc Optical Networking Technical Committee (ONTC), Jan. 2012 -Dec. 2013.

Editorships

  • Associate Editor, IEEE/ACM Transactions on Networking, July 2017 - June 2022.
  • Associate Editor, IEEE/OSA Journal of Optical Communications and Networks, April 2015 - March 2021.
  • Editorial Board Member, Elsevier Journal on Optical Switching and Networking, Dec. 2006 - present.
  • Editorial Board Member, Journal of Communications and Networks, June 2002 - Dec. 2017.
  • Editorial Board Member, Photonic Network Communications, Jan. 2013 - Dec. 2022.
  • Guest Editor, Special Issue on Energy Efficiency in Optical Networks, IEEE Journal on Selected Areas in Communications, Aug. 2014.
  • Associate Editor, IEEE/ACM Transactions on Networking, Jan. 2008 - Dec. 2013.
  • Editorial Board Member, IEEE Communications Surveys and Tutorials, June 2002 - May 2008.
  • Editorial Board Member, Optical Networks Magazine, Sep. 2001 - Aug. 2003.
  • Book Review Editor, Optical Networks Magazine, Sep. 2001 - Aug. 2003.
  • Guest Editor, Optical Networks Magazine, 2002, 2003.
  • Guest Editor, Journal of High Speed Networks, 2002.

Conference Activities

Steering Committee Member

  • IEEE LANMAN (from May 2015)

Publications Chair

  • IEEE ICNP, Madrid, Spain, Oct. 2020.
  • ACM SIGCOMM, Budapest, Hungary, Aug. 2018.

General Chair

  • ACM MobiHoc, Washington DC, Oct 2023.
  • IEEE ANTS, Gandhinagar, India, Dec 2022.
  • IEEE LANMAN Workshop, Beijing, China, April 2015.
  • IEEE High Speed Networks Workshop (HSN) (in conjunction with INFOCOM), Shanghai, China, April 2011.
  • IEEE Advanced Networks and Telecom Systems (ANTS), New Delhi, India, Dec. 2009.
  • IEEE Broadnets, San Jose, CA, Oct. 2006.
  • Trusted Internet Worshop (in conjunction with High Performance Computing), Bangalore, India, Dec. 2005.

Technical Program Committee Chair

  • IEEE Globecom Optical Networks and Systems Symposium, Rio de Janeiro, Brazil, Dec. 2022.
  • Asia Communications and Photonics Conference (ACP) Track on Network Architectures, Management, and Applications, Shenzhen, China, Nov 2022.
  • IEEE Globecom Optical Networks and Systems Symposium, Washington, DC, Dec. 2016.
  • IEEE LANMAN Workshop, Reno, NV, May 2014.
  • IEEE INFOCOM, Turin, Italy, April 2013.
  • IEEE Advanced Networks and Telecom Systems (ANTS), Mumbai, India, Dec. 2008.
  • IEEE International Conference on Communications (ICC) Optical Networks and Systems Symposium, Glasgow, Scotland, June 2007.
  • IEEE Broadnets: Broadband Optical Networking Symposium, San Jose, CA, Oct. 2004.

Technical Program Committee Vice-Chair

  • Intl. Conf. Computer Comm. Networks (ICCCN), St. Thomas, Virgin Islands, Aug. 2008.
  • IEEE Globecom Advanced Technologies and Protocols for Optical Networks Symposium, San Francisco, CA, Nov. 2006.

Tutorials Chair

  • High Performance Switching and Routing (HPSR), Phoenix, AZ, April 2004.
  • Opticomm, Dalls, TX, Oct. 2003.

Technical Program Committee Meeting Chair

  • IEEE Infocom 2008 TPC Meeting, Washington DC, Oct. 2007.

Technical Program Committee Member

  • IEEE Infocom: 2003, 2004, 2007 - 2017. Area Chair in 2008, 2011 - 2012, 2014 - 2019, 2023.
  • IEEE ICC Optical Networks Symposium: 2003-2004, 2006-2022.
  • Reliable Networks Design and Modeling (RNDM) Workshop: 2010-2022
  • IEEE ICC Ad-Hoc and Wireless Networks Symposium: 2007.
  • IEEE Globecom Optical Networks Symposium: 2003 - 2016.
  • IEEE Globecom Ad-hoc and Sensor Networks Symposium: 2007.
  • IEEE Globecom Next Generation Networking and Internet Symposium: 2009
  • IEEE/OSA Optical Fiber Communications (OFC/NFOEC): 2007 - 2009.
  • IEEE ANTS: 2007-2017.
  • Broadnets/Opticomm: 2000 - 2005, 2009.
  • IEEE IPCCC: 2007 - 2008.
  • Optical Networks Design and Modeling (ONDM): 2005 - 2022.
  • Design of Reliable Communication Networks (DRCN): 2003, 2009-2022.
  • High Performance Switching and Routing (HPSR): 2003.
  • IEEE ICCCN: 1999 - 2001, 2008-2009.
  • ICNC: Internet Services and Applications Symposium, 2013, 2014, 2015.

Invited Talks

  1. “Optical data center network architectures,” Technische Universität, Braunschweig, Germany, Jun 2022.
  2. “The evolution of data center network architectures,” Distinguished Lecture, Intl. Broadband Research Institute, Soochow University, China. Virtual presentation, Jan 2022.
  3. Keynote talk: “The evolution of data center network architectures,” International Microwave and Optoelectronics Conference, Fortaleza, Brazil. Virtual presentation, Oct 2021.
  4. “Elastic optical networks,” IEEE ComSoc Distinguished Lecture, conducted by NoVa, DC and Baltimore chapters of IEEE ComSoC. Virtual presentation, Dec 2020.
  5. “Introduction to WDM optical networks and its application to data centers,” IEEE ComSoc Distinguished Lecture, conducted by NoVa, DC and Baltimore chapters of IEEE ComSoC. Virtual presentation, Sep 2020.
  6. “Disaster recovery in optical networks,” Design of Reliable Communication Networks (DRCN), Milan, Italy. Conference conducted online, Mar 2020.
  7. Keynote talk: “The evolution of data center network architectures,” Intl. Conf. Contemporary Computing and Applications (IC3A) , Lucknow, India, Feb 2020.
  8. “The evolution of data center network architectures,” IEEE ComSoc Distinguished Lecture at Sapporo, Yokohama, and Osaka (Japan), Seoul (South Korea), Nov 2019.
  9. "RHODA topology configuration using Bayesian optimization," ONDM, Athens, Greece, May 2019.
  10. "The evolution of data center network architectures," IEEE ComSoc Distinguished Lecture at Wollongong, Sydney, Adelaide, and Melbourne, March 2019.
  11. "Data center networking," IEEE ComSoc Distinguished Lecture at Kolkata, Hyderabad, Calicut, and Bangalore, July 2018.
  12. Keynote talk: "Multi-granular optical networks," TELNET, Noida, India, August 2017.
  13. "LASER: A deep learning approach for speculative execution and replication of deadline-critical jobs in cloud," Intl. Conf. Computer Communications and Networks (ICCCN), Vancouver, BC, July 2017.
  14. "Optics in data center networks," OSA Advanced Photonics Congress, New Orleans, LA, July 2017.
  15. Keynote talk: "Reliability in optical networks," Intl. Conf. on Design of Reliable Communication Networks (DRCN), Munich, Germany, March 2017.
  16. "Recent advances in optical data center networks," Intl. Conf. Computing, Networking, and Communications (ICNC), Santa Clara, CA, Jan. 2017.
  17. "Research in cloud computing and data center networks," NICT, Tokyo, Japan, Oct. 2015.
  18. "Comparison of OXC node architectures for WDM and flex-grid optical networks," Intl. Conf. Computer Communications and Networks (ICCCN), Las Vegas, NV, Aug. 2015.
  19. "Towards providing reliability as a service in cloud computing," School of Electrical Engineering and Telecommunications, University of New SouthWales, Sydney, Australia, June 2014.
  20. ''Impairment-aware RWA for translucent optical networks," ECE Department, University of Massachusetts, Lowell, MA, March 2014.
  21. ''Towards providing reliability as a service in cloud computing," Virginia Tech Northern Virginia Center, Falls Church, VA, Nov. 2013.
  22. _____, AT&T Labs, Florham Park, NJ, Sep. 2013.
  23. "Inter-domain QoT-aware RWA for translucent optical networks," Intl. Conf. Computing, Networking, and Communications (ICNC), Jan. 2013.
  24. "Optical networking research," Third US-Japan Future Network Collaboration Workshop on Advanced Research Issues, Tokyo, Japan, Nov. 2012.
  25. "Design and optimization of limited-reconfigurable optical networks," Nokia Siemens Networks, Munich, Germany, June 2009.
  26. "On the design and optimization of limited-reconfigurable optical networks," Peking University, Beijing, China, May 2008.
  27. "Overview of optical networking research at GWU," Ciena Corp., Linthicum, MD, May 2008.
  28. "On the design and optimization of reconfigurable optical networks," Optimization of Optical Networks Workshop, Montreal, Canada, May 2008.
  29. "Reconfigurability issues in metro DWDM networks," IEEE Advanced Networks and Telecommunication Systems (ANTS), Mumbai, India, Dec. 2007.
  30. "Blocking analysis of limited-reconfigurable optical networks," Intl. Conf. Computer Comm. Networks (ICCCN), Honolulu, HI, Aug. 2007.
  31. "Reconfigurable optical networks," Computer Communications Workshop, Pittsburgh, PA, Feb. 2007.
  32. "Planning for dual-link failures in optical networks," ECE Department Colloquium, Univ. of Arizona, Tucson, AZ, Oct. 2003.
  33. "A comparison of optical network topologies," 41st Annual Allerton Conference on Communications, Control, and Computing, Monticello, IL, Oct. 2003.
  34. "Performance evaluation of multicasting in optical networks," 40th Annual Allerton Conference on Communications, Control, and Computing, Monticello, IL, Oct. 2002.
  35. "Loopback methods for double-link failure recovery in optical networks," 39th Annual Allerton Conference on Communications, Control, and Computing, Monticello, IL, Oct. 2001.
  36. "Wavelength conversion in optical networks," LIDS Colloquium, Dept. of EECS, MIT, Cambridge, MA, May 2001.
  37. "Wavelength conversion and survivability issues in optical networks," Nokia Research Center, Burlington, MA, May 2001.
  38. "Pre-designed protection for WDM optical ring networks," IP over DWDM Conference, Paris, France, Nov. 2000.
  39. "On the effects of switching in multi-fiber WDM networks," 38th Annual Allerton Conference on Communications, Control, and Computing, Monticello, IL, Oct. 2000.
  40. "Performance models and algorithms for all-optical networks," Dept. of EECS, University of Maryland, Baltimore County, MD, Feb. 1999.
  41. "Models and algorithms for all-optical networks," Dept. of Electrical and Computer Engineering, Iowa State University, Ames, IA, April 1998.
  42. "Routing and wavelength assignment in optical networks," MIT Lincoln Laboratory, Lexington, MA, Sep. 1996.
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