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Principal Inventive Scientist
AT&T Labs Research
Office 4C247C
1 AT&T Way
Bedminster NJ 07921 USA

Education
  • Ph.D., Computer Science, University of Texas at Austin, USA, May 2010 [Advisor: Professor Yin Zhang]
  • M.S.E., Electrical and Computer Engineering, University of Texas at Austin, USA, December 2005 [Advisor: Professor Harrick Vin]
  • B.E., Information Technology, University of Mumbai, India, May 2002 [Advisor: Professor R. K. Shyamasundar]
Current Projects

  1. Automating change management using ECOMP/ONAP
  2. Streaming algorithms for user-centric performance analysis

Selected Publications

  • Co-ordinating rolling software upgrades for cellular base stations (IEEE ICNP 2017) Best Paper Award
  • Automated test location selection for Cellular Network Upgrades (IEEE ICNP 2017)
  • Detecting and Diagnosing Performance impact of smartphone software upgrades (IEEE CNSM 2016)
  • Libra: Impact Assessment of Cellular Load Balancing (IEEE INFOCOM 2016)
  • Magus: Minimizing Cellular Service Disruption during Planned Upgrades (ACM CoNEXT 2015)
  • Robust Assessment of Changes in Cellular Networks (ACM CoNEXT 2013)
  • Outage Detection and Dynamic Re-provisioning in GRIPhoN - Globally Reconfigurable Intelligent Photonic Network (OFC/NFOEC 2012)
  • Rapid Detection of Maintenance Induced Changes in Service Performance (ACM CoNEXT 2011) Best Paper Award
  • Bandwidth on Demand for Inter Data Center Communication (ACM HotNets 2011)
  • Q-score: Proactive Service Quality Assessment in a Large IPTV System (ACM IMC 2011)
  • Detecting the Performance Impact of Upgrades in Large Operational Networks (ACM SIGCOMM 2010)
  • R3: Resilient Routing Reconfiguration (ACM SIGCOMM 2010)
  • Towards Automated Performance Diagnosis in a Large IPTV Network (ACM SIGCOMM 2009)
  • Troubleshooting Chronic Conditions in Large IP Networks (ACM CoNEXT 2008)
  • dFence: Transparent Network-based Denial of Service Mitigation (USENIX NSDI 2007)¬†

Professional Services

  • Technical Program Committee Member
    • ACM CoNEXT 2015
    • IEEE ICNP 2012
  • Conference Technical Reviewer
    • IEEE Infocom 2006, 2011, 2012, 2014
    • COMSNETS 2011
    • ACM CoNEXT 2009
    • DSN 2006
    • ACM CCS 2006
    • IEEE ICDCS 206
    • ACM Track on Computer Security 2006
  • Journal Technical Reviewer
    • ACM CCR 2009, 2011, 2012
    • IEEE/ACM Transactions on Networking 2010, 2011
    • Journal of Networks and Systems Management 2011, 2012

Past Projects

  1. Mercury: Change management and performance analysis in Operational Networks: Cellular, VoIP, IPTV and backbone 
  2. Self-optimizing Cellular Networks (GSM/UMTS/LTE/Femto/Small-cells)
  3. GRIPhoN: Offering Bandwidth on Demand Service using Dynamic Optical Networks
  4. Q-score: IPTV Service Quality Management
  5. R3: Resilient Routing Reconfiguration
  6. Giza: IPTV Network Diagnosis
  7. NICE: Network-wide Information Correlation and Exploration
  8. dFence: Distributed Denial of Service (DDoS) Attack Mitigation