1. Christopher Kunz | OGF28 | March 16th, 2010 GDI-Grid: The State of Affairs

2. Seite 2 Agenda About GDI-Grid / Project goals Architecture and security State of implementation Open Issues Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

3. Seite 3 About GDI-Grid The name… GDI = Geodateninfrastruktur = spatial data infrastructure Grid = D-Grid, the german national grid initiative The players… 10 partners from science and industry Partners include lat/lon, ESRI, University of Bonn et al. Project lead: University of Hannover The funding… Funded by Ministry for Science and Research Funding from 07/07 through 06/10 Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

4. Seite 4 Project goals of GDI-Grid Optimization of SDI and GIS applications to… satisfy rapidly increasing demand for computing power improve accessibility of decentralized storage and compute resources integrate basis technologies of both application fields …especially Globus Toolkit 4 and OGC Web Services Enable grid resources to seamlessly process geospatial data development of generic services for … Integration, Fusion, Management, Processing … of geospatial data on the D-Grid infrastructure Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

5. Seite 5 Our showcase scenarios Three practical proof of concept scenarios: Flood simulation: Predict flooded areas in case of a natural desaster Noise propagation: Assess how road noise affects living conditions in urban environments Evacuation routing: Agent-based simulation of evacuation from disaster areas Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

6. Seite 6 The GDI-Grid architecture Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

7. Seite 7 About security On the OGC side Proprietary username/password URL parameter Passed to OGC/Grid wrapper service Service acquires Proxy via MyProxy service On the Grid / Globus side: MyProxy GSI X.509 credentials and proxy credentials VO gdi-grid for authorization Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

8. Seite 8 Current state of implementation Infrastructure work complete BPEL-based workflow engine Data management via OGSA-DAI Compute Services via D-Grid cluster Example workflow from flood scenario Implemented as a demonstrator in 2009 Currently working on example workflow in noise scenario Currently implementing evacuation simulation Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

9. Seite 9 Job Submission in GDI-Grid Job Submission Mediator WSRF Web Service Frontend to WS-GRAM Supports job templating for easier batching Supports WS-Notification Monitors job submissions Triggers actions on job status changes Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

10. Seite 10 Interoperation with GIS systems User interaction OGC wrapper service between GIS client and Grid service Data input Interface between OGSA-DAI and OWS: SeeGEO OGSA-DAI supports PostGIS databases and ORACLE Spatial Data output Output data accessible via WFS / WMS etc. Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

11. Seite 11 Open Issues Security for OGC Web Services No specs-conforming authentication available No specs-conforming privacy (TLS) Proprietary software USB dongles for software DRM dont scale well Business model No pricing (as of yet) available Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010

12. Seite 12 Thank you! Questions? Discussion Christopher Kunz | State of the GDI-Grid | OGF 28 | March 16th, 2010