Research interests

Traffic Engineering

Segment Routing

Green Traffic Engineering

Publications

2025

• Daniel Otten, Alexander Brundiers, Leonhard Brüggemann, Nils Aschenbruck 
  "Power-Napping Networks: Towards Practically Usable Green Segment Routing for ISP Backbones" 
  accepted for publication in the Proceedings of the 21st International Conference on Network and Service Management 
  CNSM, Bologna, Italy, October 27-31, 2025.
• Leonhard Brüggemann, Daniel Otten, Frederik Sachser, Nils Aschenbruck
  "Territorial Acopustic Species Estimation using Acoustic Sensor Networks"
  accepted for publication in Elsevier Ecological Informatics [pdf]
• Leonhard Brüggemann, Mario Dyczka, Daniel Otten, Nils Aschenbruck 
  "A Classifier-Deduced Signal Extraction Approach for Time Difference Estimation in Acoustic Sensor Networks" 
  accepted for publication in Elsevier Ecological Informatics [pdf]

2024

• Daniel Otten 
  "Green Segment Routing - Enhancing Energy Efficiency in Backbone Networks" 
  RACI Contribution at the Plenary Session at RIPE 89 (supported by a RACI travel grant) 
  Prague, Czechia, October 28 – November 01, 2024. [slides] [vod]
• Daniel Otten, Nils Aschenbruck 
  "Failure Resilient Green Traffic Engineering" 
  Proc. of the 49th IEEE Conference on Local Computer Networks 
  LCN, Caen, Normandy, France, October 8-10, 2024. [ieeexplore]
• Eric Lanfer, Dominic Laniewski, Daniel Otten, Nils Aschenbruck 
  "Weather-Based Link Prediction for LEO-Satellite Networks using the WetLinks Dataset" 
  Proc. of the 23rd IFIP/IEEE Networking Conference 
  IFIP Networking, Thessaloniki, Greece, June 3-6, 2024. [ieeexplore]

2023

• Daniel Otten, Max Ilsen, Markus Chimani, Nils Aschenbruck 
  "Green Traffic Engineering by Line Card Minimization" 
  Proc. of the 48th IEEE Conference on Local Computer Networks 
  LCN, Daytona Beach, Florida, USA, October 2-5, 2023. [ieeexplore] 
  🏆 LCN 2023 Best Paper Award Candidate
• Daniel Otten, Alexander Brundiers, Timmy Schüller, Nils Aschenbruck 
  "Green Segment Routing for Improved Sustainability of Backbone Networks" 
  Proc. of the 48th IEEE Conference on Local Computer Networks 
  LCN, Daytona Beach, Florida, USA, October 2-5, 2023. [ieeexplore]
• Daniel Otten, Sebastian Neuner, Nils Aschenbruck 
  "On Modelling the Power Consumption of a Backbone Network" 
  Proc. of the 2nd Workshop on Green and Sustainable Networking 
  in conjunction with the IEEE International Conference on Communications 
  GreenNet at ICC, Rome, Italy, May 28, 2023. [ieeexplore]
• Daniel Otten, Thomas Hänel, Tim Römer, Nils Aschenbruck 
  "Generating more Realistic Packet Loss Patterns for Wireless Links using Neural Networks" 
  Proc. of the 36th International Conference of the Florida Artificial Intelligence Research Society 
  FLAIRS, Clearwater Beach, Florida, USA, May 17-17, 2023. [pdf]

Teaching