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

[email protected]

Secretariat:
Christine Buckley
[email protected]

Google Scholar
People Postdoctoral Fellows:
Dr. Jayasree Sengupta .

PhD Students:
Pratyush Dikshit . Mike Kosek . Aygün Baltaci . Bernhard Häfner. 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:
2024 IMC
2024 USENIX NSDI
2023 IMC
2022 IMC
2021 CoNEXT
complete list →
Recent Teaching 2021,'20,'19,'18,'17
Seminar: Internet Measurements

2020,'19
Lab: Internet Measurements and Reproducibility Lab

2020,'19,'18,'17
Seminar: Future Internet Protocols, Consolidation and Decentralisation
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
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

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
Barcelona, June 2023 [27.8%, 53/190]
IFIP NETWORKING '23 Best Paper Award
full list by year →
Recent Talks

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
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
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