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1.
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WLCG Transition from X.509 to Tokens. Status, Plans, and Timeline
/ Dack, Thomas (Rutherford Appleton Laboratory) ; Agostini, Federica (INFN, CNAF) ; Basney, Jim (NCSA, Urbana) ; Cornwall, Linda (Rutherford Appleton Laboratory) ; De Stefano, John Steven, Jr (Brookhaven) ; Dykstra, Dave (Fermilab) ; Giacomini, Francesco (INFN, CNAF) ; Litmaath, Maarten (CERN) ; Miccoli, Roberta (INFN, CNAF) ; Sallé, Mischa (Nikhef, Amsterdam) et al.
Since 2017, the Worldwide LHC Computing Grid (WLCG) has been working towards enabling token-based authentication and authorization throughout its entire middleware stack. Following the initial publication of the WLCG Token Schema v1.0 in 2019, OAuth2.0 token workflows have been integrated across grid middleware. [...]
FERMILAB-CONF-24-0578-CSAID.-
2024 - 6 p.
- Published in : EPJ Web Conf. 295 (2024) 04054
Fulltext: PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.04054
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2.
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Site Sonar-A Flexible and Extensible Infrastructure Monitoring Tool for ALICE Computing Grid
/ Wijethunga, Kalana (Moratuwa U. ; CERN) ; Storetvedt, Maksim (CERN) ; Grigoras, Costin (CERN) ; Betev, Latchezar (CERN) ; Litmaath, Maarten (CERN) ; Amarasinghe, Gayashan (Moratuwa U.) ; Perera, Indika (Moratuwa U.)
The ALICE experiment at the CERN Large Hadron Collider relies on a massive, distributed Computing Grid for its data processing. The ALICE Computing Grid is built by combining a large number of individual computing sites distributed globally. [...]
2024 - 8 p.
- Published in : EPJ Web Conf. 295 (2024) 04037
Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.04037
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3.
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4.
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WLCG Token Usage and Discovery
/ Bockelman, Brian (Morgridge Inst. Res., Madison) ; Ceccanti, Andrea (INFN, Italy) ; Dack, Thomas (Daresbury) ; Dykstra, Dave (Fermilab) ; Litmaath, Maarten (CERN) ; Sallé, Mischa (Nikhef, Amsterdam) ; Short, Hannah (CERN)
Since 2017, the Worldwide LHC Computing Grid (WLCG) has been working towards enabling token based authentication and authorisation throughout its entire middleware stack. Following the publication of the WLCG Common JSON Web Token (JWT) Schema v1.0 [1] in 2019, middleware developers have been able to enhance their services to consume and validate the JWT-based [2] OAuth2.0 [3] tokens and process the authorization information they convey. [...]
FERMILAB-CONF-21-078-SCD.-
2021 - 6 p.
- Published in : EPJ Web Conf. 251 (2021) 02028
Fulltext: fermilab-conf-21-078-scd - PDF; document - PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.02028
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5.
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Business continuity working group - Status report
/ Castro Leon, Jose (CERN) ; Dafonte Perez, Eva (CERN) ; Gutierrez Rueda, David (CERN) ; Iven, Jan (CERN) ; Litmaath, Maarten (CERN) ; Lueders, Stefan (CERN) ; Martin Zamora, Pablo (CERN) ; Meinhard, Helge (CERN) ; Salter, Wayne (CERN) ; Schwickerath, Ulrich (CERN)
This IT note reports on the status of the Business Continuity Working Group. [...]
CERN-IT-Note-2022-003.
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2021. - 67 p.
Access to fulltext
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6.
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The SIMPLE Framework for deploying containerized grid services
/ Sharma, Mayank (CERN) ; Junior, Eraldo Silva (Rio de Janeiro, CBPF) ; Vasilev, Boris Iliev (Manchester U.) ; Litmaath, Maarten (CERN) ; Santana, Renato (Rio de Janeiro, CBPF)
The Worldwide LHC Computing Grid (WLCG) currently has about 170 sites. In order to support WLCG workloads, each site has to deploy and maintain a number of possibly complex grid services. [...]
2020 - 7 p.
- Published in : EPJ Web Conf. 245 (2020) 07017
Fulltext: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.07017
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7.
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WLCG Authorisation from X.509 to Tokens
/ Bockelman, Brian (Unlisted, US) ; Ceccanti, Andrea (INFN, Italy) ; Collier, Ian (Daresbury) ; Cornwall, Linda (Daresbury) ; Dack, Thomas (Daresbury) ; Guenther, Jaroslav (CERN) ; Lassnig, Mario (CERN) ; Litmaath, Maarten (CERN) ; Millar, Paul (DESY) ; Sallé, Mischa (Nikhef, Amsterdam) et al.
The WLCG Authorisation Working Group was formed in July 2017 with the objective to understand and meet the needs of a future-looking Authentication and Authorisation Infrastructure (AAI) for WLCG experiments. Much has changed since the early 2000s when X.509 certificates presented the most suitable choice for authorisation within the grid; progress in token based authorisation and identity federation has provided an interesting alternative with notable advantages in usability and compatibility with external (commercial) partners. [...]
arXiv:2007.03602.-
2020 - 8 p.
- Published in : EPJ Web Conf.: 245 (2020) , pp. 03001
Fulltext: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.03001
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8.
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Lightweight WLCG sites : The SIMPLE Grid Framework
/ Sharma, Mayank (CERN) ; Litmaath, Maarten (CERN) ; Silva Junior, Eraldo (Rio de Janeiro, CBPF) ; Santana, Renato (Rio de Janeiro, CBPF)
This article describes a new framework, called SIMPLE, for settingup and maintaining classic WLCG sites with minimal operational efforts and insights needed into the WLCG middleware. The framework provides a single common interface to install and configure any of its supported grid services, such as Compute Elements, Batch Systems, Worker Nodes and miscellaneous middleware packages. [...]
2019 - 8 p.
- Published in : EPJ Web Conf. 214 (2019) 07019
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.07019
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9.
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Grid services in a box: container management in ALICE
/ Storetvedt, Maxim (HVL, Norway) ; Litmaath, Maarten (CERN) ; Betev, Latchezar (CERN) ; Helstrup, Håvard (HVL, Norway) ; Fanebust Hetland, Kristin (HVL, Norway) ; Kileng, Bjarte (HVL, Norway)
Virtualization and containers are established tools for providing simplified deployment, elasticity and workflow isolation. These benefits are especially advantageous in containers, which dispense with the resource overhead associated with virtual machines in cases where virtualization of the full hardware stack is not considered necessary. [...]
2019 - 7 p.
- Published in : EPJ Web Conf. 214 (2019) 07018
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.07018
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10.
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CHEP 2018: Preface to the Proceedings
/ Forti, Alessandra (U. Manchester (main)) ; Betev, Latchezar (CERN) ; Litmaath, Maarten (CERN) ; Smirnova, Oxana (Lund U. (main)) ; Vasileva, Petya (CERN) ; Vassilev, Vassil (Princeton U. (main)) ; Hristov, Peter (CERN)
The 23rd International Conference on Computing in High Energy and Nuclear Physics (CHEP) took place in the National Palace of Culture, Sofia, Bulgaria from 9th to 13th of July 2018. 575 participants joined the plenary and the eight parallel sessions dedicated to: online computing; offline computing; distributed computing; data handling; software development; machine learning and physics analysis; clouds, virtualisation and containers; networks and facilities. [...]
2019 - 10 p.
- Published in : EPJ Web Conf. 214 (2019) 00001
Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.00001
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