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Introduction to WLCG TEG Workshop

Introduction to WLCG TEG Workshop. Ian Bird CERN 7 th Feb 2012. Today. Initial reports from the 6 TEGs Would like to gather Main recommendations, suggestions, proposals List of areas where work still needed, no conclusions drawn, or ??? A lot of material to get through

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Introduction to WLCG TEG Workshop

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  1. Introduction to WLCG TEG Workshop Ian Bird CERN 7th Feb 2012

  2. Today • Initial reports from the 6 TEGs • Would like to gather • Main recommendations, suggestions, proposals • List of areas where work still needed, no conclusions drawn, or ??? • A lot of material to get through • Speakers please leave >20 mins for discussion • Audience – please keep questions for the discussion • I will try and keep strictly to time

  3. Likely next steps • Once we have the “final” reports • Form a small editing team to draft the overall strategy document • Goal is to do this very quickly – so we need a reasonable draft of the reports asap • But don’t spend time on perfecting prose – just make the conclusions clear • Should also include networking – not covered in the TEGs but by LHCOPN/LHCONE • Via MB: • Agree the overall strategy • Agree where we should invest effort • Agree how we find the effort (!) (WLCG is not just CERN!) • Agree where we need further discussion/continuation of the TEGs/etc.

  4. Some contextWhat does the future look like? • WLCG is a collaboration that has made a lot of use of projects such as EDG, EGEE, EGI, PPDG, OSG, etc. • These are now ending – EMI and EGI (at CERN) end Q2 2013, OSG enters a new round of funding (not yet clear at what level) • Unlikely to attract generic funding for grid developments in the near future • So what does WLCG become? • Much complexity has migrated from grid layer to experiment-specific layer (sometimes in common between experiments) • Sites need to focus on providing a extremely robust physical infrastructure and key access services • Simplifying the grid complexity can help do this • Sources of development effort are limited

  5. Sources of effortProvocative … but… • There will continue to be a certain limited(!) level at CERN (IT and PH-SFT) • Hope that other large national grid projects can help (INFN? GridPP?) • Can we build collaborative/community efforts to support key software? • Have not done this successfully very much • The only way to really have a supportable software is to really collaborate across all the entities in WLCG – experiments and sites • And try to get key focussed developments from external sources where possible • This really implies common solutions and collaborative efforts • I doubt that supporting software and services for a single experiment will be easy to justify or fund in future

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