Prof. Dr. Bajpai home . people . papers . teaching

Prof. Dr. Vaibhav Bajpai
Hasso Plattner Institute
14482 Potsdam, Germany

[email protected]

Secretariat:
Svenja Fenn
[email protected]

Google Scholar
People Postdoctoral Fellows:
Dr. Vasilis Ververis .

PhD Students:
Mike Kosek . Trinh Viet Doan .

Interns:
Veronika Kitsul .
Leadership Lead Organiser:
2021 Dagstuhl #21272
2018 Dagstuhl #18412
PC Chair:
2024 PAM
2021 TMA
Recent Service PC Member:
2025 IMC
2024 IMC
2024 USENIX NSDI
2023 IMC
complete list →
Recent Teaching 2024/25
Lecture Course: Modern and Secure Internet: Design and Operations

2024/25
Masters Project: Internet Censorship Tracker

2024
Seminar: Trends in Internet Measurements

complete list →
Tools aviator →
A drone traffic generator.

dtube-app →
An Android app to compare the video streaming performance of a decentralised video streaming service (DTube) and YouTube

wepr →
A tool designed for the SamKnows probes to measure web latency and web complexity metrics. It offloads Javascript execution to a parsing server to measure rendering performance.

weblar →
A tool designed for the MONROE probes to measure web latency, above the fold (ATF) and rendering performance.

youtube →
A tool to measure youtube performance on the command line.

simweb →
A tool to measure similarity of webpages delivered over IPv4 and IPv6

nfql →
An implementation of the network flow query language (NFQL)

happy →
A happy eyeballs [RFC 6555] probing tool

ncclient →
A Python library for NETCONF clients.

I am looking for Postdocs and PhD Students.

Hasso Plattner Institute + University of Potsdam, Germany
timeline →
Research Awards
Teaching Awards
Research Themes
Recent Publications

pdf 		Through the Lens of Google CrUX: Dissecting Web Browsing Experience Across Devices and Countries
J.Sengupta, T.Shreedhar, D.Nguyen, R.Kramer, V.Bajpai
IFIP Networking Conference, Thessaloniki, June 2024 		IFIP NETWORKING '24

pdf 		On Cross-Layer Interactions of QUIC, Encrypted DNS and HTTP/3:
Design, Evaluation and Dataset
J.Sengupta, M.Kosek, J.Fries, S.Ferlin, V.Bajpai
IEEE Transactions on Network and Service Management (TNSM)
June 2024 [Impact Factor: 5.3] 		TNSM '24

pdf 		Evaluating DNS Resiliency and Responsiveness With Truncation, Fragmentation and DoTCP Fallback
P.Dikshit, M.Kosek, N.Faulhaber, J.Sengupta, V.Bajpai
IEEE Transactions on Network and Service Management (TNSM)
2024 [Impact Factor: 5.3] 		TNSM '24
full list by year →
Recent Talks
Building Data-Intensive Foundations of a Modern Internet
Hasso Plattner Institute New York, USA, July 2024
GI SYS Meeting, Stuttgart, October 2024

pdf 		Measuring the State of DNS Privacy: Past, Present and Future
DENOG, Berlin, November 2024
Coseners House, UK, July 2024

pdf 		Towards Digital Sovereignty in the Age of Hyper-giants
TMA Keynote
Enschede, June 2022 		Keynote Talk

pdf
video		 Towards Digital Sovereignty in the Age of Hyper-giants
University of Cambridge, UK
Remote, March 2022
complete list →
Selected Publications

pdf
ietf		 A Longitudinal View of Dual-stacked Website: Failures,
Latency and Happy Eyeballs
Vaibhav Bajpai, Jürgen Schönwälder
IEEE/ACM Transactions on Networking
April 2019 [Impact Factor: 3.11]
 		TON '19 IEEE CNOM Best
Dissertation Award

pdf
slides 		Inferring Persistent Interdomain Congestion
A. Dhamdhere, D. Clark, A. Gamero-Garrido, M. Luckie, R. Mok,
G. Akiwate, K. Gogia, V. Bajpai, A. Snoeren, k. claffy
ACM SIGCOMM Conference
Budapest, August 2018 [18%, 40/222] 		SIGCOMM '18 Best Paper Award

pdf
slides 		The Dagstuhl Beginners Guide to Reproducibility
for Experimental Networking Research
V.Bajpai, A.Brunstrom, A.Feldmann, W.Kellerer, A.Pras,
H.Schulzrinne, G.Smaragdakis, M.Wählisch, K.Wehrle
ACM Computer Communication Review (CCR), January 2019 (Editorial) 		SIGCOMM CCR '19 Best of CCR

pdf
slides
ietf


ripe		 Web Privacy by Design: Evaluating Cross-Layer Interactions of QUIC, DNS and H/3
J.Sengupta, M.Kosek, J.Fries, P.Dikshit, V.Bajpai
IFIP Networking Conference (Extended to TNSM 2024)
Barcelona, June 2023 [27.8%, 53/190] 		IFIP NETWORKING '23 Best Paper Award

pdf
video
ietf


ripe		 DNS Privacy with Speed? Evaluating DNS over QUIC and
its Impact on Web Performance
M. Kosek, L. Schumann, TV. Doan, R. Max, V.Bajpai
ACM Internet Measurement Conference (IMC)
October 2022 [26.4%, 56/212] 		IMC '22

pdf
video		 Analyzing Real-time Video Delivery over Cellular Networks
for Remote Piloting Aerial Vehicles
A. Baltaci, H. Cech, N. Mohan, F. Geyer, V. Bajpai, J. Ott, D. Schupke
ACM Internet Measurement Conference (IMC)
October 2022 [26.4%, 56/212] 		IMC '22

pdf 		Measuring DNS over TCP in the Era of Increasing DNS Response
Sizes: A View from the Edge
M. Kosek, TV. Doan, S. Huber, V.Bajpai
ACM SIGCOMM Computer Communication Review (CCR)
April 2022 [Impact Factor: 2.71]
 		SIGCOMM CCR '22

pdf 		Recommendations for Designing Hybrid Conferences
V.Bajpai O.Hohlfeld, J.Crowcroft, S.Keshav, H.Schulzrinne, J.Ott,
S.Ferlin-Reiter, G.Carle, A.Hines, A.Raake
ACM SIGCOMM Computer Communication Review (CCR)
April 2022 (Editorial) 		SIGCOMM CCR '22

pdf
video		 Measuring YouTube Content Delivery over IPv6
Vaibhav Bajpai, Saba Ahsan, Jürgen Schönwälder, Jörg Ott
ACM SIGCOMM Computer Communication Review (CCR)
October 2017 [Impact Factor: 3.81]
coverage by APNIC labs → 		SIGCOMM CCR '17

pdf 		Dissecting Last-mile Latency Characteristics
Vaibhav Bajpai, Steffie Jacob Eravuchira, Jürgen Schönwälder
ACM SIGCOMM Computer Communication Review (CCR)
October 2017 [Impact Factor: 3.81] 		SIGCOMM CCR '17

pdf 		Experience: Implications of Roaming in Europe
A. Mandalari, A. Lutu, A. Custura, A. Safari, O. Alay, M. Bagnulo,
V. Bajpai, A. Brunstrom, J. Ott, M. Mellia, G. Fairhurst
ACM MOBICOM Conference (Experience Paper)
New Delhi, October 2018 [22.5%, 42/187] 		MOBICOM '18

pdf
video 		A Longitudinal View of Netflix: Content Delivery over IPv6
and Content Cache Deployments
Trinh Viet Doan, Vaibhav Bajpai, Sam Crawford
IEEE INFOCOM Conference
Online, April 2020 [19.8%, 268/1354]
coverage by APNIC labs → 		INFOCOM '20

pdf 		Experimental UAV Data Traffic Modeling and
Network Performance Analysis
A.Baltaci, M.Klügel, F.Geyer, S.Duhovnikov, V.Bajpai, J.Ott, D.Schupke
IEEE INFOCOM Conference
Online, July 2021 [19.9%, 252/1266] 		INFOCOM '21

pdf
video		 Lessons Learned from using the RIPE Atlas Platform for Measurement Research
Vaibhav Bajpai, Steffie Jacob Eravuchira, Jürgen Schönwälder
ACM Computer Communication Review (CCR), July 2015 (Editorial) 		SIGCOMM CCR '15

pdf 		A Survey on Cooperative Architectures and Maneuvers for
Connected and Automated Vehicles
Bernhard Häfner, Vaibhav Bajpai, Jörg Ott, Georg Schmitt
IEEE Communications Surveys & Tutorials
February, 2022 [Impact Factor: 25.25] 		COMST '22

pdf 		A Survey on Internet Performance Measurement Platforms and Related Standardization Efforts
Vaibhav Bajpai, Jürgen Schönwälder
IEEE Communications Surveys & Tutorials
April, 2015 [Impact Factor: 17.2]
COMST '15

pdf 		Measuring Roaming in Europe:
Infrastructure and Implications on Users’ QoE.
A.Lutu, M.Trevisan, A.Khatouni, A.Mandalari, A.Custura, M.Mellia,
Ö.Alay, M.Bagnulo, A.Brunstrom, V.Bajpai, J.Ott, G.Fairhurst
IEEE Transactions on Mobile Computing (TMC)
February 2021 [Impact Factor: 5.11] 		TMC '21

pdf 		Beyond QUIC v1 – A First Look at Recent Transport Layer
IETF Standardization Efforts
Mike Kosek, Tanya Shreedhar, Vaibhav Bajpai
IEEE Communications Magazine
April 2021 [Impact Factor: 11.05] 		COMMAG '21

pdf
video		 Tracing the Path to YouTube - A Quantification of Path Lengths and Latencies towards Content Caches
Trinh Viet Doan, Ljubica Pajević, Vaibhav Bajpai, Jörg Ott
IEEE Communications Magazine
January 2019 [Impact Factor: 10.44]
 		COMMAG '19

pdf 		On Cross-Layer Interactions of QUIC, Encrypted DNS and HTTP/3:
Design, Evaluation and Dataset
J.Sengupta, M.Kosek, J.Fries, S.Ferlin, V.Bajpai
IEEE Transactions on Network and Service Management (TNSM)
2024 [Impact Factor: 5.3] 		TNSM '24

pdf 		Evaluating DNS Resiliency and Responsiveness With Truncation, Fragmentation and DoTCP Fallback
P.Dikshit, M.Kosek, N.Faulhaber, J.Sengupta, V.Bajpai
IEEE Transactions on Network and Service Management (TNSM)
2024 [Impact Factor: 5.3] 		TNSM '24

pdf 		Evaluating QUIC Performance over Web, Cloud Storage
and Video Workloads
T.Shreedhar, R.Panda, S.Podanev, V.Bajpai
IEEE Transactions on Network and Service Management (TNSM)
June 2022 [Impact Factor: 4.19]
 		TNSM '22

pdf 		Understanding Data Usage Patterns of Geographically
Diverse Mobile Users
E.Walelgne, A.Asrese, J.Manner, V.Bajpai, J.Ott
IEEE Transactions on Network and Service Management (TNSM)
September 2021 [Impact Factor: 3.89]
 		TNSM '21

pdf 		Measuring Web Latency and Rendering Performance:
Method, Tools & Longitudinal Dataset
A.Asrese, S.Eravuchira, V.Bajpai, P.Sarolahti, J.Ott
IEEE Transactions on Network and Service Management
June 2019 [Impact Factor: 3.28]
 		TNSM '19

pdf 		Network Flow Query Language - Design, Implementation, Performance and Applications
Vaibhav Bajpai, Jürgen Schönwälder
IEEE Transactions on Network and Service Management (TNSM)
March 2017 [Impact Factor: 3.13] 		TNSM '17

pdf 		Towards Decentralised Cloud Storage with IPFS: Opportunities,
Challenges, and Future Directions
T.V.Doan, Y.Psaras, J.Ott, V.Bajpai
IEEE Internet Computing Magazine
December 2022 [Impact Factor: 2.68] 		IC-CS '22

pdf
ietf		 An Empirical View on Consolidation of the Web
TV Doan, R. Rijswijk-Deij, O.Hohlfeld, V.Bajpai
ACM Transactions on Internet Technology (TOIT)
August 2022 [Impact Factor: 1.59]
 		TOIT '22

pdf 		Data Rate Reduction for Video Streams in Teleoperated Driving
S.Neumeier, V.Bajpai, M.Neumeier, C.Facchi, J.Ott,
IEEE Transactions on Intelligent Transportation Systems
October 2022 [Impact Factor: 6.5]
 		T-ITS '22