3rd Workshop on LEO Networking and Communication (LEO-NET)

Monday, September 8th | Full-day Workshop

Location

The workshop will take place at Room Sofia.

Program

08:00 — 08:45 | Registration

08:45 — 09:00 | Workshop Starts + Welcome Address

09:00 — 09:50 | Keynote: Cloud above the clouds | Dr. Paulo Mendes (Airbus Research)

Abstract: Currently, a mere 20% of data processing and analysis occurs locally, with a dominant 80% centralized in data centers. However, this paradigm is shifting. Predictions indicate that within five years, edge computing will handle the majority of data processing and analytics. This trend is driven by the escalating demand for real-time data access and the need to manage the burgeoning data volumes generated at the network's edge, exemplified by Earth Observation Services. Integrating edge computing into space platforms brings processing closer to data generation, significantly reducing communication bottlenecks and accelerating data analysis. This approach alleviates the data load transmitted to Earth, enabling faster decision-making and response times. Extending this concept, space edge computing can evolve into a robust space cloud infrastructure, facilitated by high-speed interconnectivity and distributed computing frameworks. This platform would offer in-space computing resources and services, fostering flexible data sharing and task distribution. Beyond basic edge computing, it could support complex data analysis and storage, providing large-scale computing services that complement terrestrial cloud infrastructure. This presentation will delve into the concepts of space edge and cloud computing, exploring the inherent challenges and the transformative opportunities they present.

09:50 — 10:30 | Technical Session 1: LEO Internet for All

Optimising LEO Gateway Placement for the People

Prince Bhardwaj Pawankumar Sharma, Abdullahi K. Abubakar, Nishanth Sastry (University of Surrey)

Simulation and Comparison of Vehicle Satellite Connectivity under a 3D Foliage Environment: Starlink and OneWeb

Kevin T. Li, Christian A. Hofmann, Andreas Knopp (University of the Bundeswehr Munich)

10:30 — 11:00 | Morning coffee break

11:00 — 11:40 | Technical Session 2: Improving Internet-from-Space

The Internet from Space, Reimagined: Leveraging Altitude for Efficient Global Coverage

Chris Misa, Ramakrishnan Durairajan (University of Oregon and Link Oregon)

A Distributed Data Store in Orbit

Joerg Ott (Technische Universität München); Jussi Kangasharju (University of Helsinki); Nitinder Mohan (TU Delft)

11:40 — 12:40 | Technical Session 3: Performance Characterization & Measurements

FjordLink – Comparison of Starlink and 5G Networks for Tele-operated Vessel Control

Birkan Denizer (Kiel University); Nils Dohse (ADDIX GmbH); Olaf Landsiedel (Hamburg University of Technology & Kiel University)

Better Fill Up Your Pipe – Revisiting Starlink's Burst Characterization

Till Zimmermann, Eric Lanfer, Dominic Laniewski, Simon Brinkmann, Nils Aschenbruck (Osnabrück University)

A Detailed Characterization of Starlink One-way Delay

Johan Garcia, Simon Sundberg (Karlstad University); Anna Brunstrom (Karlstad University and University of Malaga)

12:45 — 14:00 | Lunch Break

14:00 — 14:40 | Technical Session 4: Experimentation & Monitoring Platforms

How LLM Saved Me from Struggling with Experiment Reproduction: LEO Networking as A Case Study

Yibo Wang, Yunan Hou, Zeqi Lai, Hewu Li, Qian Wu, Jun Liu, Yuanjie Li, Xin Xie (Tsinghua University); Zhifeng Han (Xidian University)

MOSAIC: Piecing Together 5G and LEOs for NTN Integration Experimentation

Revika Anand, Edward Austin, Charalampos Rotsos, Paul Smith, Nicholas Race (Lancaster University)

14:40 — 15:45 | Panel Discussion: Sustainability in the 'Internet-over-Space' Race | Panelists:

  • Prof. Dr. Ramesh K. Sitaraman (UMass & Akamai Technologies)
  • Dr. Zeqi Lai (Tsinghua University)
  • Prof. Dr. Jörg Ott (Technical University of Munich)
  • Dr. Paulo Mendes (Airbus Research)
  • Prof. Dr. Nishanth Sastry (University of Surrey)

15:45 — 16:15 | Afternoon Coffee Break

16:15 — 17:10 | Technical Session 5: Resilience of LEO Internet

Towards Global Outage Detection for LEO Networks

Manda Tran, Khiet Huynh, Dravya Jain, Dylan Truong, Sirapop Theeranantachai (University of California, Los Angeles); Beichuan Zhang (University of Arizona); Lixia Zhang, Liz Izhikevich (University of California, Los Angeles)

An investigation of Starlink's performance during the May '24 solar superstorm

Suvam Basak (PhD Candidate, Indian Institute of Technology Kanpur); Amitangshu Pal (Indian Institute of Technology Kanpur); Debopam Bhattacherjee (Microsoft Research India)

A Deep Dive into the Impact of Solar Storms on LEO Satellite Networks

Eunju Kang, Alagappan Ramanathan, Sangeetha Abdu Jyothi (University of California, Irvine)

17:10 — 17:55 | Keynote: Towards A Scalable and Resilient Satellite Internet | Dr. Zeqi Lai (Tsinghua University)

Abstract: Low-Earth orbit (LEO) broadband satellite constellations are rapidly extending the boundaries of the Internet. However, unlike traditional terrestrial infrastructures, satellite Internet operates under the highly dynamic and unstable conditions of outer space. On the one hand, the continuous high-speed movement of LEO satellites relative to the Earth's surface results in a constantly changing network topology. On the other hand, frequent node and link failures in the harsh space environment further challenge the availability, stability, and reliability of such networks.

In this talk, I will first discuss how the unique characteristics of LEO satellite networks reshape the Internet architecture and protocol stack when extended into space. I will then present our recent efforts in developing resilient and scalable satellite Internet protocols, covering topics such as topology design, routing, transport, applications, and experimental methodologies. Moreover, I will also share our efforts in satellite network standardization and education. Finally, I will outline several future directions that we believe are critical for building an open, stable, and secure global satellite Internet.

17:55 — 18:00 | Workshop Ends + Award



Call for Papers

Low Earth Orbit (LEO) satellite communication and networking is a rapidly growing field with great potential for enabling new and innovative applications by providing low-latency, high-bandwidth Internet connectivity globally. Massive-scale LEO deployments from industrial players, such as Starlink, OneWeb, etc. have allowed wide-scale availability of LEO satellite network access globally but their network remains to operate as a black box. However, considering the state of LEO networking and constellation design is still in its infancy, we believe that the unique challenges posed by the inherently dynamic LEO satellite architectures, necessitate novel solutions in network architecture, protocol design, resource management, along with several other verticals.


LEONET 2025 invites submissions from researchers and practitioners in academia and industry who are exploring the latest developments and open challenges in LEO satellite networks and communications. We also welcome work-in-progress and position papers that present new directions, highly original ideas, or have the potential to provoke insightful discussions during the workshop. Whether you're an expert or a newcomer to the field, we encourage you to join us and contribute to this exciting area of research.

Topics of Interest

Submission Instructions

Submissions must be original, unpublished work, and not currently under consideration elsewhere.


Regular research papers of up to 6 pages, excluding references and appendices, in two-column 10pt ACM SIGCOMM format. Submissions must be original, unpublished work, and not under consideration at another conference or journal. Papers must exclude author names and affiliations for double-blind peer reviewing by the TPC. Authors of accepted submissions are expected to present their work at the workshop. Prospective authors are encouraged to use the same PDF formatting guidelines as the main conference. Authors of accepted papers are expected to present their work at the workshop. Accepted papers will be published in the SIGCOMM Workshop Proceedings, and available at the ACM Digital Library.

Formatting

You may find these templates useful in complying with the above requirements. For Latex users, please use:


\documentclass[sigconf, 10pt, anonymous]{acmart}

But as an author, you bear the final responsibility to verify (manually or through the above online paper checker) that your submission is format-compliant.


Please submit your paper via https://leonet25.hotcrp.com/

Aditional Information

Important Dates

Submission deadline June 3rd, 2025, 23:59 AoE (Updated)
Acceptance notification June 25th, 2025 (Updated)
Camera-ready deadline July 2nd, 2025
Workshop date September 8th, 2025

Organizers

General Co-Chairs Institution
Nitinder Mohan TU Delft
Deepak Vasisht University of Illinois
Debopam Bhattacherjee Microsoft
Technical Program Committee Institution
Ahmed Saeed GeorgiaTech, USA
Yuanjie Li Tsinghua University, China
Nishanth Sastry University of Surrey, UK
Zeqi Lai Tsinghua University, China
Sangeetha Abdu Jyothi University of California, Irvine, USA
David Bermbach TU Berlin, Germany
Anna Brünstorm Karlstadt University, Sweden
Suraj Jog Microsoft Research, USA
Jianping Pan University of Victoria, Canada
Amitangshu Pal IIT Kanpur, India
Jörg Ott Technical University of Munich, Germany
Paulo Mendes Airbus Research, Germany
Matteo Varvello Nokia Bell Labs, USA
Ashwin Ashok Georgia State University, USA