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CERN Accelerating science

CERN Document Server Znaleziono 30 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 1.23 sekund. 
1.
Identifying and Understanding Scientific Network Flows / Research Networking Technical Working Group Collaboration
The High-Energy Physics (HEP) and Worldwide LHC Computing Grid (WLCG) communities have faced significant challenges in understanding their global network flows across the world’s research and education (R&E;) networks. This article describes the status of the work carried out to tackle this challenge by the Research Technical Networking Working Group (RNTWG) and the Scientific Network Tags (Scitags) initiative, including the evolving framework and tools, as well as our plans to improve network visibility before the next WLCG Network Data Challenge in early 2024. [...]
2024 - 7 p. - Published in : EPJ Web Conf. 295 (2024) 01036 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01036
2.
XRootD Client: A robust technology for LHC Run-3 and beyond / Amadio, Guilherme (CERN) ; Caffy, Cedric (CERN) ; Hanushevsky, Andrew Bohdan (SLAC) ; Simon, Michał Kamil (CERN) ; Smith, David (CERN)
During the LHC era the XRootD framework has proven to be a critical component of numerous data management and software defined storage solutions (most importantly EOS, the CERN storage technology used for the LHC experiments), and as such grew into one of the most strategic storage technologies in the High Energy Physics (HEP) community. Over the last year significant developments in the area of the XRootD client have been introduced, making it even more reliable and robust, as well as easier to debug. [...]
2024 - 7 p. - Published in : EPJ Web Conf. 295 (2024) 01056 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01056
3.
Software and computing for Run 3 of the ATLAS experiment at the LHC / ATLAS Collaboration
The ATLAS experiment has developed extensive software and distributed computing systems for Run 3 of the LHC. [...]
arXiv:2404.06335 ; CERN-EP-2024-100.
- 2024 - 175.
Fulltext - Previous draft version - Fulltext
4.
XRootD (REMOTE) / Yang, Wei (speaker) (SLAC National Accelerator Laboratory (US)) ; Hanushevsky, Andrew (speaker) (Unknown) ; Hanushevsky, Andrew (speaker) (STANFORD LINEAR ACCELERATOR CENTER) ; Hanushevsky, Andrew (speaker) (Stanford University/SLAC) ; Hanushevsky, Andrew Bohdan (speaker) (SLAC National Accelerator Laboratory (US))
2023 - 964. DOMA; Data Challenge 2024 Workshop External links: Talk details; Event details In : Data Challenge 2024 Workshop
5.
XRootD S3 Gateway for WLCG Storage / Hanushevsky, Andrew Bohdan (SLAC National Accelerator Laboratory (US))
The S3 Gateway is a server based application that provides a bridge between protocols and security used in the HEP community to S3 protocols and its associated security model [...]
ATL-SOFT-PROC-2023-033.
- 2024 - 3.
Original Communication (restricted to ATLAS) - Full text
6.
Xrootd S3 Gateway for WLCG Storage / Hanushevsky, Andrew Bohdan (SLAC National Accelerator Laboratory (US)) ; Yang, Wei (SLAC National Accelerator Laboratory (US)) /ATLAS Collaboration
The Xrootd S3 Gateway is a universal high performance proxy service that can be used to access S3 portals using existing HEP credentials (e.g. JSON Web Tokens and x509). [...]
ATL-SOFT-SLIDE-2023-125.- Geneva : CERN, 2023 - 12 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023
7.
Exploring the virtues of XRootD5: Declarative API / Simon, Michal (CERN) ; Hanushevsky, Andrew (SLAC)
Across the years, being the backbone of numerous data management solutions used within the WLCG collaboration, the XRootD framework and protocol became one of the most important building blocks for storage solutions in the High Energy Physics (HEP) community. The latest big milestone for the project, release 5, introduced multitude of architectural improvements and functional enhancements, including the new client side declarative API, which is the main focus of this study. [...]
2021 - 10 p. - Published in : EPJ Web Conf. 251 (2021) 02063 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.02063
8.
XRootD Third Party Copy for the WLCG and HLLHC / WLCG TPC Collaboration
A Third Party Copy (TPC) mechanism has existed in the pure XRootD storage environment for many years. However, using the XRootD TPC in the WLCG environment presents additional challenges due to the diversity of the storage systems involved such as EOS, dCache, DPM and ECHO, requiring that we carefully navigate the unique constraints imposed by these storage systems and their site-specific environments through customized configuration and software development. [...]
2020 - 7 p. - Published in : EPJ Web Conf. 245 (2020) 04034 Fulltext from publisher: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.04034
9.
Bootstrapping a new LHC data transfer ecosystem / Bockelman, Brian (U. Nebraska, Lincoln) ; Hanushevsky, Andrew (SLAC) ; Keeble, Oliver (CERN) ; Lassnig, Mario (CERN) ; Millar, Paul (DESY) ; Weitzel, Derek (U. Nebraska, Lincoln) ; Yang, Wei (SLAC)
GridFTP transfers and the corresponding Grid Security Infrastructure (GSI)-based authentication and authorization system have been data transfer pillars of the Worldwide LHC Computing Grid (WLCG) for more than a decade. However, in 2017, the end of support for the Globus Toolkit - the reference platform for these technologies - was announced. [...]
2019 - 9 p. - Published in : EPJ Web Conf. 214 (2019) 04045 Fulltext from publisher: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.04045
10.
HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA) / Berzano, Dario (CERN) ; Bianchi, Riccardo Maria (Pittsburgh U.) ; Bird, Ian (CERN) ; Bockelman, Brian (Nebraska U.) ; Campana, Simone (CERN) ; De, Kaushik (Texas U., Arlington) ; Duellmann, Dirk (CERN) ; Elmer, Peter (Princeton U.) ; Gardner, Robert (Chicago U., EFI) ; Garonne, Vincent (Oslo U.) et al.
Without significant changes to data organization, management, and access (DOMA), HEP experiments will find scientific output limited by how fast data can be accessed and digested by computational resources. [...]
arXiv:1812.00761 ; HSF-CWP-2017-04 ; FERMILAB-PUB-18-671-CD.
- 2018. - 18 p.
Fermilab Library Server (fulltext available) - Fulltext - Fulltext

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