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LCG Position on the EU-US reference test bed

LCG Position on the EU-US reference test bed. Fabrizio Gagliardi. Background. Intergrid previous discussions=> Les’s proposal at CHEP’01 Larry’s request and Ruth/Carl/PaulA proposal(s) Discussions at Gainesville (GriPhyN, iVDGL meetings) Previous discussions at LCG PEB (Jan 15th)

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LCG Position on the EU-US reference test bed

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  1. LCG Position on the EU-US reference test bed Fabrizio Gagliardi

  2. Background • Intergrid previous discussions=> Les’s proposal at CHEP’01 • Larry’s request and Ruth/Carl/PaulA proposal(s) • Discussions at Gainesville (GriPhyN, iVDGL meetings) • Previous discussions at LCG PEB (Jan 15th) • Target to converge at next HICB meeting in Toronto Feb 17th

  3. EU DataTAG objectives • Deployment of a high performance network test bed EU-US • Extension of EU DataGrid networking WP (7) • Interoperability between EU and US Grids services from DataGrid, GriPhyN, PPDG and in collaboration with iVDGL over an EU/US Testbed

  4. iVDGL • International Virtual-Data Grid Laboratory • A place to conduct Data Grid tests at scale • Concrete manifestation of world-wide grid activity • Continuing activity that will drive Grid awareness • Scale of effort • For national, international scale Data Grid tests, operations • Computation & data intensive computing • Who • Initially US-UK-Italy-EU; Japan, Australia • & Russia, China, Pakistan, India, South America? • StarLight and other international networks vital U.S. Co-PIs: Avery, Foster, Gardner, Newman, Szalay

  5. workload management Collective Layer (Application oriented) Data management Data Mover Monitoring tools Application monitoring Information Resource mgmt (GRAM) . . . Resource e connectivityLayer (Resource and appl. Independent services) Security (GSI) Data access Fault detection DataGrid Architecture WP8 From Batch traditional Applications Up to Grid enabled Applications Applications Layer Condor-G WP2 WP1 WP3 Globus TK WP4 PC-Cluster Schedulers Comm. protocols WP5 Grid Fabric Layer Data servers Network Services (QoS) Optical technology Remote monitoring

  6. mkgridmap CVS DataGrid TB Release-1 Services VO userLdap server CE/WN (PC Cluster) CA Ldap Tree Grid resources AUP Resource Broker II LB User Interface MDS LCFG server Replica Catalogue SE (GDMP)

  7. DataTAG WP4 Tasks Assuming the same grid basic services (gram,gsi,gris) between the differen grid projects, the main issues are: • 4.1 resource discovery (INFN/2FTE, PPARC/0.5FTE) • 4.2 security/authorization (INFN/4 FTE(2new), UvA/ 1FTE) • 4.3 interworking of collective services (INFN/5 FTE (3new), PPARC/0.5FTE) on EU-US testbed • 4.4 test applications (INFN/4-5 FTE(2new), PPARC unfunded, ESA/Esrin unfunded

  8. Proposed actions • Identify resources from EU DataTAG and US iVDGL to investigate interoperability issues (now till end of April 2002) • WP4 resources distributed according to basic component list • Identify concrete grid components that will be the targets of interoperability development efforts • In parallel LHC Applications extend existing use-cases (EU DataGrid WP8) to test interoperability of the grid components • Setup iVDGL lab environment in EU and DataGrid lab environment in US to test and analyze their services as different grid domains (later this year) • Produce an assessment of interoperability solutions • Provide input to a common Grid LHC architecture • Plan EU-US Integrated grid deployment • Review results on a yearly basis

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