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Impressions (some relevant to GLAST) from the CHEP 2000 conference

Impressions (some relevant to GLAST) from the CHEP 2000 conference. Toby Burnett GLAST software telecon 17-Feb-2000. Some over-all impressions. Object-oriented databases are pass é In spite of success of Objectivity in Babar No convincing need, compared with RDB and files

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Impressions (some relevant to GLAST) from the CHEP 2000 conference

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  1. Impressions (some relevant to GLAST) from the CHEP 2000 conference Toby Burnett GLAST software telecon 17-Feb-2000

  2. Some over-all impressions • Object-oriented databases are passé • In spite of success of Objectivity in Babar • No convincing need, compared with RDB and files • Most experiments adopt the transient/persistent model for data • Open source is the coming thing for HEP software • Geant4 is stable and accepted (used by ESA) • ROOT is everywhere: at least three roles • Framework/GUI: everything inherits from Tobject (Alice, …) • I/O only (CDF, LHCb/Gaudi) • Ntuple analysis only (CDF, D0) • Almost no NT • Another bandwagon: Data Grids

  3. CMT • Fairly good talk (for him) by Christian Arnout • Many discussions with Christian and Guy Barrand (colleague who supports it, will use it)

  4. Gaudi • Contact with Per Mato, chief architect

  5. Data Grids • What are they (NASA has one) • Particle Physics Data Grid funded ($1.2M, 1 yr.) • PPDG components perhaps of interest to us • Condor • SAM

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