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LTER Grid Pilot Study

LTER Grid Pilot Study. LTER Information Manager’s Meeting Montreal, Canada 4-7 August 2005 Mark Servilla (LNO). Pilot Study Goals. Demonstrate the vision of the LTER Grid to the LTER community

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LTER Grid Pilot Study

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  1. LTER Grid Pilot Study LTER Information Manager’s Meeting Montreal, Canada 4-7 August 2005 Mark Servilla (LNO)

  2. Pilot Study Goals • Demonstrate the vision of the LTER Grid to the LTER community • Demonstrate how grid and middleware technologies can be applied to enhance collaboration and sharing within and external to the LTER community • Demonstrate an effective working relationship with the LTER Network office, NCSA, ISI, and GRIDS Center staff • Demonstrate the potential of super computers for LTER science • Collect requirements for a detailed design of the LTER Grid

  3. Strategies • Contrived scientific experiment • Short duration (6-month) end milestone • Demonstration of final product • Directly involve stake-holders • Identify key and usable Grid infrastructure

  4. LTER Grid Pilot Study • LTER Network Office • University of New Mexico • NCSA • University of Illinois at Urbana-Champaign • ISI • University of Southern California • KBS LTER (Dr. Stuart Gage) • Michigan State University • SEEK • NCEAS at the University of California, Santa Barbara

  5. LTER Requirements • LTER Portal/Single Sign-on • Security • Authentication • Access Control • Audit Logging • Data Access • Intellectual Rights Protection • Data Use Policy • Resource Access • High Performance Computing Resources • Data Storage Resources • Collaboration Tools

  6. Pilot Study Experiment“Acoustic Pattern Matching” • Environmental Acoustic Monitoring • Embedded microphone • Sampling every 30 minutes for 30 seconds • Conversion to *.wav file format

  7. Pilot Study Experiment“Acoustic Pattern Matching” • Ornithologic (bird) pattern matching • DSP/Matlab workbench • Match unknown dataset to an known signature

  8. User Scenario • User logs onto portal (single sign-on) • Selects known signature file(s) • Performs data search via Metacat for unknown acoustic file(s) • Performs acoustic matching on HPC; match probability identified to user

  9. Architectural Components • Web application - noname (J2EE using struts and jglobus) • Certificate Management – MyProxy/LDAP (now being used by TeraGrid) • Data Transfer - GridFTP • Job Management - GRAM (pre-WS) • GSI Authentication – Metacat GT4 Container • Metadata Database - Metacat 1.5 modified for GSI (Java servlet) • Data Discovery - Metacat Query Inteface (Java servlet using struts framework) • DSP Analysis - Matlab

  10. Portal accepts user credentials and passes to MyProxy MyProxy validates thru LDAP and issues certificate back to Portal Portal accepts acoustic signature selection by user Portal accepts acoustic query; passes query and certificate to GT4/Metacat; request logged Metacat returns query results to Portal; return logged Portal accepts selection of unknowns by user; passes certificate and data transfer request to data POP and HPC POP and HPC accepts certificate; POP, via GridFTP, transfers data to HPC HPC performs matching; returns results back to Portal Infrastructure Scenario 2 1 3 5 4 8 6 7

  11. March 2005 Generate detailed work-flow and application(s) specified Generate detailed project plan Identify components, services, and APIs Identify roles and responsibilities Generate detailed architecture Identify site, personnel, and data involved Team meeting at NCSA April 2005 System and User Environment configuration Software/hardware development and integration June 2005 Software/hardware development and integration July 2005 Release of functioning prototype Prototype testing and evaluation Site deployment of software/hardware Site integration of software/hardware Site testing and evaluation August 2005 Release of working system System testing and evaluation Preparation of demonstration September 2005 Demonstration Current Status

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