[Posting is part of our lab seminar series.]
We discuss two recent enhancements to the QuakeSim grid infrastructure. First, we describe our work to integrate QuakeSim Web services with large scale Globus deployments such as the US TeraGrid and Open Science Grid. Our implementation is based on the Condor BirdBath client libraries and provides a simplified and stateless API for accessing Globus resources. In addition to QuakeSim, we are developing a variation of this service to support the University of Minnesota’s VLAB project. We discuss integration of this service with TeraGrid information services for system load and queue wait time prediction, as well as security issues and prospects for deployment on NASA resources.
Our second focus is on work performed with the Scripps Orbit and Permanent Array Center’s archival data services for permanently deployed California GPS stations. We have developed a daily historical analysis Web service of the GPS data using RDAHMM. This service has been combined with an interactive Web interface that allows the user to view historical state changes in the GPS network. This archival data is available on a fourteen day delay, so we conclude with a discussion of the prospects for a nearer real-time network event detection system.
We discuss two recent enhancements to the QuakeSim grid infrastructure. First, we describe our work to integrate QuakeSim Web services with large scale Globus deployments such as the US TeraGrid and Open Science Grid. Our implementation is based on the Condor BirdBath client libraries and provides a simplified and stateless API for accessing Globus resources. In addition to QuakeSim, we are developing a variation of this service to support the University of Minnesota’s VLAB project. We discuss integration of this service with TeraGrid information services for system load and queue wait time prediction, as well as security issues and prospects for deployment on NASA resources.
Our second focus is on work performed with the Scripps Orbit and Permanent Array Center’s archival data services for permanently deployed California GPS stations. We have developed a daily historical analysis Web service of the GPS data using RDAHMM. This service has been combined with an interactive Web interface that allows the user to view historical state changes in the GPS network. This archival data is available on a fourteen day delay, so we conclude with a discussion of the prospects for a nearer real-time network event detection system.
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