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GridSphere’s Grid Portlets

100%

Russell M. , Novotny J. , Wehrens O.

tom Vol. 12, nr 1

89-97

Grid portals are the most popular means for delivering user interfaces to Grids. Grid portals build upon the familiar Web portal model to offer virtual communities of users a single point of access to computational resources. The GridSphere Portal Framework is a Portlet JSR compliant portlet container that offers a set of base classes and tools for developing Web applications. The Grid Portlets web application, developed by the GridSphere Project, builds upon the core features in the GridSphere portal framework to provide developers with a framework for developing Grid portals.

Integrating Instruments in the Grid for On-line and Off-line Processing in a Synchrotron Radiation Facility

75%

Pugliese R. , Prica M. , Kourousias G. , Del Linz A. , Curri A.

tom Vol. 15, nr 1

21-30

Experimental stations in facilities like Synchrotrons and Free Electron Lasers produce very large data sets. With access to distributed computing paradigms and Grid infrastructures, the data are processed on-line. This requires considerable computing power and storage requirements. Moreover, the constant advances in sensors, detectors, and light source technologies yield frequent upgrades of the instrumentation and proportional increase of the computing requirements. Other than the computing needs, a key-point for successful experiments is the efficient collaboration between the involved scientists and their convenient access to the research facilities. A viable solution is developing suitable infrastructures that allow remote operation of the experimental facilities. We focus on the importance of the transparent integration of instruments in the traditional Grid. Such capability boosts further the concept of remote operation, on-line & off-line processing, and builds collaborative and distributed virtual research environments. Building on the foundations of previous European projects, the aim of DORII (Deployment of Remote Instrumentation Infrastructure) [1] is to develop and operate an infrastructure that addresses this issue and supports multiple activities of eScience. We will describe how we have applied the DORII infrastructure on remote operations and on-line & off-line processing in a synchrotron radiation facility.