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Regional Centers at LHC part 2

Regional Centers at LHC part 2. MONARC Architecture Group. Definition of RC. A RC should provide all the technical services, all the data services for the analysis and should be capable of providing another class of data services This we call a tier-1 RC. Capabilities of RC.

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Regional Centers at LHC part 2

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  1. Regional Centers at LHCpart 2 MONARC Architecture Group L.M.Barone - MONARC

  2. Definition of RC A RC should provide all the technical services, all the data services for the analysis and should be capable of providing another class of data services This we call a tier-1 RC L.M.Barone - MONARC

  3. Capabilities of RC A tier-1 RC should provide initially resources of the order of 10 ÷ 20 % of CERN The RC should be capable of coping with increasing needs and technology evolution L.M.Barone - MONARC

  4. Tier-2 RC We see a role for centers smaller in size and cost than tier-1 RCs. They should provide technical services, maybe not at the same level, and they should be mostly dedicated to data analysis L.M.Barone - MONARC

  5. Tier-2 RC (cont’d) Their initial capability should be of the order of 5 ÷ 25 % of tier-1 RCs Their constituency should be mainly local They should exchange data with tier-1 RCs L.M.Barone - MONARC

  6. Service Centers In our model we envisage smaller centers dedicated to special services (documentation, MC, recalibrations, special productions) Such centers will have ad hoc architectures L.M.Barone - MONARC

  7. CERN T1 T1 T1 T2 T2 T2 S L.M.Barone - MONARC

  8. Open Issues • The problem of centers serving many experiments has not been addressed yet(priorities, resource sharing etc.) • Data exchange among centers needs morestudy • detailed architectures L.M.Barone - MONARC

  9. Conclusions • A hierarchy of Regional Centers seems the appropriate model for LHC • There are still open issues which will be addressed within end of the year • MONARC will eventually deliver a completearchitecture for RCs L.M.Barone - MONARC

  10. References http://home.cern.ch/~barone/monarc/RCArchitecture.txt …/ RCArchitecture.html …/RCIssues.txt L.M.Barone - MONARC

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