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WLCG has created a number of Technical Evolution Groups to guide the technical development of the project.

INDICO Category : https://indico.cern.ch/categoryDisplay.py?categId=3753

WLCG Technology Evolution Groups

Operations & Tools

Data Management

  • Chairs: Brian Bockelman (CMS, OSG), Graeme Stewart (ATLAS)
  • Wiki : https://twiki.cern.ch/twiki/bin/view/LCG/WLCGTEGDataManagement
  • Egroup mailing list : wlcg-teg-data-management AT CERN
  • Scope :
    • Review demonstrators from 2010
    • Data placement (policy-based or dynamic)
    • Data transfer management
    • Transfer and WAN access protocols
    • Management od name spaces and catalogues
    • Understanding security requirements/needs

Storage Management

  • Chairs: Daniele Bonacorsi (CMS), Wahmid Bhimji (Edinburgh)
  • Wiki : https://twiki.cern.ch/twiki/bin/view/LCG/WLCGTEGStorage
  • Egroup mailing list : wlcg-teg-storage AT CERN
  • Scope :
    • Experiment IO/usage patterns(and so performance requirements for storage)
    • Requirements on future storage systems
    • Separation of archives and disk pools/caches
    • Storage system interfaces to Grid(SRM status?)
    • Filesystems/protocols (standards?)
    • Security/access controls
    • as site-­‐run services: storage management, performance measurements, monitoring, etc


Workload Management


  • Chairs : Romain Wartel (CERN), Steffen Schreiner (ALICE)
  • Egroup mailing list : wlcg-security-teg AT CERN
  • Scope :
    • WLCG risk assessment/analysis
    • AAI (Authentication and Authorization Infrastructure) on worker nodes
    • AAI on storage systems