Communication Networks

Fabian Ihle, M.Sc.

Researcher & PhD Student

Telefon

+49 7071 29-70545

I am working from home sometimes. Please send me an email when you can't reach me on the phone.
Telefax +49 7071 29-5220
E-Mail fabian.ihle@uni-tuebingen.de
Raum B303
Anschrift

Lehrstuhl für Kommunikationsnetze

Universität Tübingen

Wilhelm-Schickard-Institut für Informatik

Sand 13, 72076 Tübingen

Timeline

2014 - 2017
Trainee Computer Science Expert Subject Area: System Integration

Hochschule für Wirtschaft und Umwelt Nürtingen Geislingen

2017 - 2023
Technical staff in IT security

Hochschule für Wirtschaft und Umwelt Nürtingen Geislingen

2018 - 2021
B.Sc. Computer Science

Graduated at University of Tübingen

2021 - 2023
M.Sc. Computer Science

Graduated at University of Tübingen

Since April 2023
PhD Student & Research assistant

Research assistant at the Department of Computer Science, Chair of Communication Networks, University of Tübingen

Research Interests

Software-Defined Networks

Software-Defined Networking (SDN) is an emerging architecture that is dynamic, manageable, cost-effective, and adaptable, making it ideal for the high-bandwidth, dynamic nature of today’s applications. This architecture decouples the network control and forwarding functions enabling the network control to become directly programmable and the underlying infrastructure to be abstracted for applications and network services. 

P4: Programming Protocol-Independent Packet Processors

P4 is a programming language for controlling packet forwarding planes in networking devices, such as routers and switches. In contrast to a general purpose language such as C or Python, P4 is a domain-specific language with a number of constructs optimized for network data forwarding.

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List of Publications

Preprint

  1. M. Flüchter, S. Lindner, F. Ihle, T. Eckert and M. Menth: Extensions to BIER Tree Engineering (BIER-TE) for Large Multicast Domains and 1:1 Protection: Concept, Implementation and Performance (preprint), Sep. 2024
  2. F. Ihle and M.Menth: MPLS Network Actions: Technological Overview and P4-Based Implementation on a High-Speed Switching ASIC (preprint), under submission, Oct. 2024

Journal Paper

  1. F. Ihle, S. Lindner and M. Menth: P4-PSFP: P4-Based Per-Stream Filtering and Policing for Time-Sensitive Networking, (preprint), accepted for IEEE Transactions on Network and Service Management, Special Issue on Robust and Resilient Future Communication Networks, vol. 21, no. 5, p. 5273 - 5290, Oct. 2024, IEEE

Workshop Paper

  1. F. Ihle, M. Flüchter, S. Lindner, and M. Menth: UniCorn-P4: A Universal Control Plane and GUI for P4, in KuVS Fachgespräch - Workshop on Modeling, Analysis and Simulation of Next-Generation Communication Networks (preprint, github), Sept. 2024, Würzburg, Germany

Talks

  1. F. Ihle: Implementation Experience of MNA Using P4 on Intel Tofino Hardware, IETF MPLS WG Interim Meeting, Online, April 2024.
  2. F. Ihle: Invited Workshop and Hackathon on Data Plane Programming With P4 (slides, poster), Research School: Building Resilient Worlds—in Career and Research, Berlin, Oct. 2024
  3. F. Ihle: Stateless MNA-based Egress Protection (SMEP), IETF121 MPLS WG Meeting, Dublin, November 2024.
  4. F. Ihle: Implementation Update on P4-MNA using ISD, IETF121 MPLS WG Meeting, Dublin, November 2024.

Other

  1. F. Ihle and M. Menth: Stateless MNA-based Egress Protection (SMEP), IETF Internet draft, September 2024

Theses

M.Sc. Implementierung von Per-Stream Filtering and Policing für Time-Sensitive Networking auf einem 100G-fähigen Switch mithilfe von P4, March 2023 (pdf)
B.Sc. Entwurf und Analyse eines Software-Projektes für das Tübinger Teamprojekt: Implementierung eines DNS Servers, April 2021

 

Teaching

Courses

Summer Term 2024

Summer Term 2023

Winter Term 2022/2023

Summer Term 2022

  • Team project: Implementing a DNS Server (Tutoring)

Winter Term 2021/2022

  • Team project: Implementing a DNS Server (Tutoring)

Summer Term 2021

  • Team project: Implementing a DNS Server (Tutoring)

Summer Term 2020

Summer Term 2019

 

Supervised Theses and Student Research Projects

Ongoing 

  

Concluded

B.Sc.Overview and Performance Evaluation of Selected Highspeed Packet Processing Technologies on Linux for x86 Architectures
B.Sc.Erweiterung des Verkehrsgenerators P4TG um automatisierte Testverfahren und Datenexport sowie Verbesserung der User Experience
M.Sc.Implementation and Performance Evaluation of Snabb-Based Service Functions to Provide Externs in P4-Based Network Softwarization
M.Sc.

Development of a Snabb-Based Prototype for Packet-Based Hybrid Access and Performance Evaluation of Load Balancing Algorithms

in Multi-Gigabit Networks

Project Work

ReCoPro

Resilient Communication with Programmable Hardware

Resilience is needed as the core property of the network infrastructure, from the Internet to the internet of things (IoT), from connected cars to complex cyber-physical systems (CPS) and resilience will be a primary research objective for the coming years.  We expect that modern communication networks can deal with unknown and unforeseen events, both from within the network as well as from external sources. This requires a holistic view of the resilience problem, leading to appropriate and easy-to-handle solutions. Resilience evidently cuts through several thematic areas, such as information and network security, fault tolerance, software and hardware dependability, and network survivability.

https://www.resilient-worlds.org