Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 43: Invited Topical Talks I

T 43.4: Invited Topical Talk

Mittwoch, 18. März 2026, 15:15–15:45, AudiMax

Federated Computing Infrastructures — •Inga Lakomiec — II. Institute of Physics, Georg-August-University, Göttingen, Germany

Federated computing infrastructures are established to address the rapidly growing data volumes and computational demands of high energy physics (HEP) research. The transition from self-sufficient data and computing centres towards federated resources requires a dedicated approach to ensure interoperability across heterogeneous architectures, research organisations, and geographically distributed sites. Such changes cannot be introduced without significant financial support. The ErUM-Data, ErUM-Pro and NFDI projects are an essential part of this transformation in Germany.

An important step in this process is a transition of storage and computing contributions of the German university-based WLCG Tier-2 centres to the Helmholtz Centres and National High Performance Computing (NHR) sites, respectively. The technologies developed within the dedicated projects are crucial to meeting the computing and storage needs of the WLCG and HEP research in general. The solutions offered by the involved communities are designed in a sustainable way, taking into account scalability as well as efficient resource provisioning and utilisation.

This talk presents recent strategies for federated computing infrastructures and technologies being developed within the R&D projects in Germany. It focuses on the WLCG and the challenges posed by the High-Luminosity LHC.

Keywords: WLCG; federated computing; data storage; NHR; HL-LHC