Ghafouri, Saeid, Kamran Razavi, Mehran Salmani, Alireza Sanaee, Tania  Lorido Botran, Lin Wang, Joseph Doyle, and Pooyan Jamshidi. “IPA: Inference Pipeline Adaptation to Achieve High Accuracy and Cost-Efficiency.” Journal of Systems Research (JSys), n.d.

Redder, Adrian, Arunselvan Ramaswamy, and Holger Karl. “Practical Network Conditions for the Convergence of Distributed Optimization.” IFAC-PapersOnLine 55, no. 13 (2022): 133–138.

Schneider, Stefan Balthasar, Ramin Khalili, Adnan Manzoor, Haydar Qarawlus, Rafael Schellenberg, Holger Karl, and Artur Hecker. “Self-Learning Multi-Objective Service Coordination Using Deep Reinforcement Learning.”https://doi.org/10.1109/TNSM.2021.3076503__Transactions on Network and Service Management, 2021.https://doi.org/10.1109/TNSM.2021.3076503 .

Nomikos, Nikolaos, Emmanouel T. Michailidis, Panagiotis Trakadas, Demosthenes Vouyioukas, Holger Karl, Josep Martrat, Theodore Zahariadis, Konstantinos Papadopoulos, and Stamatis Voliotis. “A UAV-Based Moving 5G RAN for Massive Connectivity of Mobile Users and IoT Devices.”https://doi.org/10.1016/j.vehcom.2020.100250__Vehicular Communications, 2020.https://doi.org/10.1016/j.vehcom.2020.100250 .

Li, Feng, Dongxiao Yu, Huan Yang, Jiguo Yu, Holger Karl, and Xiuzhen Cheng. “Multi-Armed-Bandit-Based Spectrum Scheduling Algorithms in Wireless Networks: A Survey.”https://doi.org/10.1109/mwc.001.1900280__IEEE Wireless Communications, 2020, 24–30.https://doi.org/10.1109/mwc.001.1900280 .

Karl, Holger, Dennis Kundisch, Friedhelm Meyer auf der Heide, and Heike Wehrheim. “A Case for a New IT Ecosystem: On-The-Fly Computing.”https://doi.org/10.1007/s12599-019-00627-x__Business &; Information Systems Engineering 62, no. 6 (2020): 467–81.https://doi.org/10.1007/s12599-019-00627-x .

Peuster, Manuel, Christian Dröge, Clemens Boos, and Holger Karl. “Joint Testing and Profiling of Microservice-Based Network Services Using TTCN-3.”https://doi.org/10.1016/j.icte.2019.02.001__ICT Express, 2019.https://doi.org/10.1016/j.icte.2019.02.001 .

Peuster, Manuel, Hannes Küttner, and Holger Karl. “A Flow Handover Protocol to Support State Migration in Softwarized Networks.”https://doi.org/10.1002/nem.2067__International Journal of Network Management, 2019.https://doi.org/10.1002/nem.2067 .

Soenen, Thomas, Wouter Tavernier, Manuel Peuster, Felipe Vicens, George Xilouris, Stavros Kolometsos, Michail-Alexandros Kourtis, and Didier Colle. “Empowering Network Service Developers: Enhanced NFV DevOps and Programmable MANO.”https://doi.org/10.1109/mcom.2019.1800810__IEEE Communications Magazine, 2019, 89–95.https://doi.org/10.1109/mcom.2019.1800810 .

Peuster, Manuel, Stefan Balthasar Schneider, Mengxuan Zhao, George Xilouris, Panagiotis Trakadas, Felipe Vicens, Wouter Tavernier, et al. “Introducing Automated Verification and Validation for Virtualized Network Functions and Services.”https://doi.org/10.1109/mcom.2019.1800873__IEEE Communications Magazine, 2019, 96–102.https://doi.org/10.1109/mcom.2019.1800873 .

Leong, Alex S., Arunselvan Ramaswamy, Daniel E. Quevedo, Holger Karl, and Ling Shi. “Deep Reinforcement Learning for Wireless Sensor Scheduling in Cyber–Physical Systems.”https://doi.org/10.1016/j.automatica.2019.108759__Automatica, 2019.https://doi.org/10.1016/j.automatica.2019.108759 .

Peuster, Manuel, Michael Marchetti, Gerardo García de Blas, and Holger Karl. “Automated Testing of NFV Orchestrators against Carrier-Grade Multi-PoP Scenarios Using Emulation-Based Smoke Testing.”https://doi.org/10.1186/s13638-019-1493-2__EURASIP Journal on Wireless Communications and Networking, 2019.https://doi.org/10.1186/s13638-019-1493-2 .

Dräxler, Sevil, Holger Karl, and Zoltan Adam Mann. “JASPER: Joint Optimization of Scaling, Placement, and Routing of Virtual Network Services.”https://doi.org/10.1109/TNSM.2018.2846572__IEEE Transactions on Network and Service Management, 2018.https://doi.org/10.1109/TNSM.2018.2846572 .

Dräxler, Sevil, and Holger Karl. “Specification, Composition, and Placement of Network Services with Flexible Structures.”https://doi.org/10.1002/nem.1963__International Journal of Network Management, no. 2 (2017): 1--16.https://doi.org/10.1002/nem.1963 .

Keller, Matthias, and Holger Karl. “Response-Time-Optimised Service Deployment: MILP Formulations of Piece-Wise Linear Functions Approximating Non-Linear Bivariate Mixed-Integer Functions.”https://doi.org/10.1109/TNSM.2016.2611590__IEEE Transactions on Network and Service Management, no. 1 (2017): 121--135.https://doi.org/10.1109/TNSM.2016.2611590 .

Karl, Holger, Sevil Dräxler, Manuel Peuster, Alex Galis, Michael Bredel, Aurora Ramos, Josep Martrat, et al. “DevOps for Network Function Virtualisation: An Architectural Approach.”https://doi.org/10.1002/ett.3084__Transactions on Emerging Telecommunications Technologies 27, no. 9 (2016): 1206–15.https://doi.org/10.1002/ett.3084 .

Wette, Philip, and Holger Karl. “DCT<sup>2</sup>Gen: A Traffic Generator for Data Centers.”https://doi.org/10.1016/j.comcom.2015.12.001__Computer Communications, 2016, 45--58.https://doi.org/10.1016/j.comcom.2015.12.001 .

Herlich, Matthias, Nico Bredenbals, and Holger Karl. “Delayed (de-)Activation in Servers with a Sleep Mode.”https://doi.org/10.1016/j.suscom.2016.04.002__Sustainable Computing: Informatics and Systems 10 (2016): 48–55.https://doi.org/10.1016/j.suscom.2016.04.002 .

Künsemöller, Jörn, and Holger Karl. “A Game-Theoretic Approach to the Financial Benefits of Infrastructure-as-a-Service.”https://doi.org/10.1016/j.future.2014.03.005__Future Generation Computer Systems, 2014, 44--52.https://doi.org/10.1016/j.future.2014.03.005 .

Beister, Frederic, Martin Dräxler, J. Aelken, and Holger Karl. “Power Model Design for ICT Systems -- A Generic Approach.”https://doi.org/10.1016/j.comcom.2014.02.007__Computer Communications, 2014, 77--85.https://doi.org/10.1016/j.comcom.2014.02.007 .