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Grid Prototype. What is it? The deployment of Grid tools “in production” A testbed for development + integration Stage 1 of the ramp-up to LHCUK computing A facility for running experiments to use An approach for harnessing existing resources A means of coordination

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grid prototype
Grid Prototype
  • What is it?
    • The deployment of Grid tools “in production”
    • A testbed for development + integration
    • Stage 1 of the ramp-up to LHCUK computing
    • A facility for running experiments to use
    • An approach for harnessing existing resources
    • A means of coordination
    • For “users”, the visible face of The Grid
    • …a very tall order!

Dave Newbold, University of Bristol 24/5/2001

grid prototype1
Grid Prototype
  • What is it not?
    • Specific to HEP (necessarily)
    • A support service (Andy McNab’s problem!)
    • Completely within the UK
    • A direct mapping with DataGrid WP6
    • …or GridPP WG-G (some mixing with H)
    • As well understood as some other areas… yet.

Dave Newbold, University of Bristol 24/5/2001

areas of activity
Areas of Activity
  • Running the basic (minimal) Grid services
    • Information service
    • Security / CA
    • Monitoring (fabric; network; performance)
    • The central testbed site (RAL)
    • A ‘production’ service, based on the best stable tools
    • “The Men at Coventry”
  • Proto regional centre operations
    • ProtoT1 (RAL); a large manpower requirement
    • ProtoT2: not directly funded?
    • ProtoT3: close links with institute system managers

Dave Newbold, University of Bristol 24/5/2001

areas of activity1
Areas of Activity
  • Development + integration support
    • The ‘testbed’ side of things
    • Providing a stable platform for tests of
      • Scaling
      • Interoperability
      • Regression tests
    • Partitioned from the production service
    • Need to be flexible in resource allocation and scheduling
    • A contribution to the DataGrid WP6
  • Data challenge support
    • Stress-testing the Grid Prototype
    • May require intensive support + scheduling
    • Coordinate with WP6/8

Dave Newbold, University of Bristol 24/5/2001

relationship to other wgs
Relationship to other WGs
  • WGs ABC (middleware):
    • Supply tools, expertise, policy for GP
    • Require testbed facilities, monitoring information, feedback
  • WGs DEF (security, networking):
    • The enabling services for the GP
    • Very close communication required
    • May require testbed facilities
  • WG H (support):
    • Provides support to GP ops, developers, users
    • Critical for the success of the project
  • WG I (Experiments):
    • Oversees experiment-specific development
    • Activities in support of generic HEP apps are overseen by GP.

Dave Newbold, University of Bristol 24/5/2001

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