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Expert 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. Configuration Tuning for Improving Service Performance 

  2. LTE/5G Carrier Launch/Site Build Validation 

  3. Performance Impact analysis for Networks and Services 

  4. Network Change Schedule Planning and Management for LTE/5G and Virtualized Networks

Selected Publications

• • Chroma: Learning and Using Network Contexts to Reinforce Performance Improving Configurations (ACM MOBICOM 2023) 

  • Aurora: Conformity-based Configuration Recommendation to Improve LTE/5G Service (ACM IMC 2022) 

  • Auric: Using Data-driven Recommendation to Automatically Generate Cellular Configuration (ACM SIGCOMM 2021) 

  • A Composition Framework for Change Management (ACM SIGCOMM 2021) 

  • Egret: Simplifying Traffic Management for Physical and Virtual Network Functions (ACM CoNEXT 2019)

  • Predictive Analysis in Network Function Virtualization (ACM IMC 2018)

  • Co-ordinating rolling software upgrades for cellular base stations (IEEE ICNP 2017) Best Paper Award

  • 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)

  • 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 SIGMETRICS 2021, 2022, 2024

    • ACM CoNEXT 2015, 2023

    • ACM IMC 2022, 2024 

    • ACM KDD 2023 

    • AISTATS 2022, 2023, 2024

    • ECML/PKDD 2021, 2023, 2024 

    • IEEE ICNP 2012, 2023, 2024 

  • 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