- French projects :
- Projects with european partners :
- International projects :
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 Leader of the Inria-Rutgers Joint team - Sustam : Sustainable Ultra Scale CompuTing, data and energy Management
- Since 2011 : Collaboration with Addis Abeba University, Ethiopia
- Since 2007 : Collaboration with University of Otago (New Zealand), team of Zhiyi Huang on large scale distributed systems and router assisted protocols
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 2010-2015 : Member of the GreenTouch project - INRIA representative - Executive board member and Vice chair of the Wireline Working group - 2010-2011 GreenTouch report Participant in the VHGW : Virtual Home Gateway Project
- 2010-2013 : Member of the ANR-JST FP3C Project between France and Japan on "Framework and Programming for Post Petascale Computing" - Focus on energy efficiency in post Petascale infrastructures (joint work with IRIT Lab)
- 2005-2006 : Programme d'Actions Integrees Fast with Queensland University of Technology, Brisbane, Australia
- 2004-2006 : NSF-INRIA Project on ``Active Grid middleware'' with Craig Lee's team - AeroSpace Organization, Los Angeles, USA
- 2004-2012 : Collaboration with QUIVIR Group, University of Sevilla, Spain on fault tolerance issues in cluster based network equipments
- 1997-1998 : Member of KIT (Keep in Touch) Project with University of Oujda, Morocoo.
- Industrial collaborations and projects :
- 2003-2005 : Support of start-up 3DDL (Aide à l'incubation d'une entreprise), supported by Région Rhone-Alpes, in collaboration with LIRIS Laboratory, INSA Lyon
- 2005-2010 : Hitachi Europe
- 2005-2010 : France Telecom R&D : collaboration through the advising of a Ph.D . student on "Contribution to session aware frameworks for next generation Internet services" (Narjess Ayari)
- 2001-2004 : SUNLabs / Europe : collaboration through the advising of a Ph.D . student on "New network interface functionalities for improved network performance on multiprocessor machines"
- 1999-2004 : EDF (French Power Supply) : Process migration for high performance clustering
- 2000-2002 : Microsoft : high performance communications libraries on top of Windows 2000
- 1999-2000 : Consulting collaboration (fonds de consultance) with MDS company on high performance wireless protocols and software. Satelitte protocols experiments
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Since 2013 : INRIA AVALON Team : Algorithms and Software Architectures for Service Oriented Platforms
2004-2023 : Member and participant of the Grid5000 Project - Responsible of the Lyon site - Member of the Direction committee
Since 2023 : Member and participant of the Slices-fr project Slices-fr project - Responsible of the Lyon site - Member of the Direction committee
Since 2014 : Animator and chair of the transversal action on "Energy" of the French GDR RSD
2021-2026 : Leader of the challenge (défi) FrugalCloud : between Inria and OVHCloud on the topic of large scale challenge on frugality in Clouds
2023-2030 : CARECloud: Understanding, improving, reducing the environmental impacts of Cloud Computing, within the PEPR Cloud by ANR under the France 2030 program.
Since 2010 :Member of the GDS EcoInfo group - Since 2015, deputy director of the GDS EcoInfo group
Since 2022, Inria and CNRS representative in the steering committee of ALT-Impact Program.
Since 2022 : Member of the SLICES RI European initiative
Since 2023 : French leader of a PHC Aurora Project with University of Tromso (Norway) on "Exploring energy monitoring and leveraging energy efficiency on end-to-end worst edge-fog-cloud continuum for extreme climate environments observatories"
2001-2005 : RNRT VTHD ++ : Active network around an high performance backbone
2002-2004 : RNTL Etoile : Services for Grid Computing
2001-2003 : ACI Grid : Network support and intelligence for the Grid, funded by 
2008-2010 : Member of