Overview
Networking, systems, and security.
Current Appointments & Affiliations
Professor of Computer Science
·
2023 - Present
Computer Science,
Trinity College of Arts & Sciences
Co-Director of Graduate Studies for the Master of Science in Economics and Computation Program
·
2023 - Present
Computer Science,
Trinity College of Arts & Sciences
Director of Graduate Studies MS Program in the Department of Computer Science
·
2023 - Present
Computer Science,
Trinity College of Arts & Sciences
Recent Publications
Tiered Cloud Routing: Methodology, Latency, and Improvement
Journal Article Proceedings of the ACM on Measurement and Analysis of Computing Systems · March 10, 2025 Large cloud providers including AWS, Azure, and Google Cloud offer two tiers of network services to their customers: one class uses the providers' private wide area networks (WAN-transit) to carry a customer's traffic as much as possible, and the other use ... Full text CiteNetwork Capabilities
Chapter · January 1, 2025 Full text CiteCharacterizing Anycast Flipping: Prevalence and Impact
Conference Lecture Notes in Computer Science · January 1, 2025 A 2016 study by Wei and Heidemann showed that anycast routing of DNS queries to root name servers is fairly stable, with only 1% of RIPE Atlas vantage points “flipping” back and forth between different root name server sites. Continuing this study longitud ... Full text CiteRecent Grants
CNS Core:Small: Optimizing IP Anycast Performance at Scale
ResearchPrincipal Investigator · Awarded by National Science Foundation · 2022 - 2026CNS Core: Small: Collaborative Research: Improving the Reliability of Cable Broadband Networks with Proactive Network Maintenance
ResearchPrincipal Investigator · Awarded by National Science Foundation · 2019 - 2023FIA-NP: Collaborative Research: The Next-Phase MobilityFirst Project - From Architecture and Protocol Design to Advanced Services and Trial Deployments
ResearchPrincipal Investigator · Awarded by National Science Foundation · 2014 - 2018View All Grants
Education, Training & Certifications
Massachusetts Institute of Technology ·
2004
Ph.D.
Tsinghua University (China) ·
1996
B.S.E.