Instruments and Data Systems - Science Data Understanding: Projects

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Science Data Understanding: Projects

Grist

The Grist project at Caltech and JPL has delivered the NVO Extensible Secure Scalable Service Infrastructure (NESSSI) to the National Virtual Observatory community to make it easy to deploy astronomical algorithms as web-based services running on grid computers like the TeraGrid, and to use such services for scientific research. NESSSI services, like the mosaic service shown here are initiated with a script run on the command line, or through a web portal. Service clients are authenticated with "graduated security," which scales the size of jobs that are allowed with the level of authentication of the user. The Clarens service infrastructure serves as the "gatekeeper" by managing user certificates. NESSSI has been deployed at Caltech and on a TeraGrid cluster at San Diego Supercomputer Center. For more information, contact Joseph Jacob in Section 387.

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