[CAnet - news] Integrating Instruments into the Grid

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[Some excerpts from GridToday.com--BSA]





SC06 SPECIAL COVERAGE
=========================================================

              By Francesco Lelli and Gaetano Maron On behalf of the GRIDCC
project              

  
  
  Traditional developments in Grid technologies have concentrated on 
  providing batch access to distributed computational and storage 
  resources. But the desire to access, control, and acquire data from 
  widely networked distributed instruments reflects the need to include 
  such scientific equipment as sensors and probes in the Grid world. 
  This, in turn, raises the need for supporting real-time and 
  interactive work, thus opening a new frontier of research and 
  development in this field.
  
  The GRIDCC project launched in September 2004 by the European Union 
  addresses these issues. The goal of GRIDCC is to exploit Grid 
  opportunities for secure and collaborative work of distributed teams 
  to remotely operate and monitor scientific equipment and utilize the 
  Grid's massive memory and computing resources for storing and 
  processing data generated by this kind of equipment. Moreover the 
  GRIDCC middleware is deployed on a few pilot applications with the aim 
  to validate it and show its use and effectiveness, both in real 
  contexts and in test bed environments. These applications have been 
  selected in strategic sectors where we believe our project can provide 
  a significant contribution. Namely they are: (1) the remote control 
  and monitoring of a large particle physics experiment; (2) the remote 
  operation of an accelerator facility; (3) the remote control and 
  monitoring of a widely sparse network of small, but numerous, power 
  generators (a real power grid); (4) the landslide hazards monitoring; 
  (5) the ensemble limited area of forecasting meteorology; and (6) the 
  device farm for the support of cooperative distributed measurements in 
  telecommunications and networking laboratories. 
  
  The core and novel element of the GRIDCC middleware is the Instrument 
  Element (IE) that basically offers a standard Web service interface to 
  integrate scientific and general purpose instruments and sensors 
  within the GRID.
  
  Users interact with the instruments through a Virtual Control Room 
  (VCR) that provides a prompt and highly interactive environment to 
  control and monitor the instrumentation. Moreover VCR provides to the 
  users a cooperative environment (chat, videoconference, electronic log 
  book) to facilitate the remote interactions between different 
  operators of the instrumentation.
  
  Complementary to the VCR there is the GRIDCC Execution Service, which 
  allows the user to define complex workflows providing the 
  orchestration of unattended sophisticated operations, and includes 
  access to the instrumentation and the computational grid. 
  
  Another key element of the GRIDCC middleware is the Problem Solver, a 
  sort of diagnostic service based on an expert system that has the goal 
  of recognizing and then trying to repair malfunctioning instruments 
  under its control. In order to achieve this functionality, an 
  "Information and Monitor Service" (IMS) is necessary, as it provides 
  the information collection facility (that includes errors, warnings 
  and status of the equipments) used by the Problem Solver to recognize 
  that something is not running properly.
  
  The Instrument Element (IE) is a unique concept to GRIDCC and it 
  consists of a coherent collection of services that provide all the 
  functionality to configure and control the physical instruments, as 
  well as the needed interfaces to interact and integrate itself with 
  the rest of the Grid. The three basic interfaces exposed by the IE 
  are:
  
  * The Virtual Instrument Grid Service (VIGS), a set of Web service 
  compliant methods that allows for remotely controlling and monitoring 
  the instruments.
  
  
  * A standard SE/SRM interface that makes recently acquired data and 
  information of the IE immediately available to the Grid community.
  
  
  * A very efficient publish/subscribe and streaming channel based on a 
  multicast implementation of the JMS interfaces (RMM-JMS) that allows 
  the IE to publish both acquired data and information such as errors, 
  status and logs for diagnostic, alarm and monitoring purpose.
  
 
  
  
  External Links:
  
  GRIDCC Project Home page: <http://www.gridcc.org/> 
  GRIDCC On-Line Demo: <http://www.gridcc.org/viewnote.php?id=1812>
  SRM Interface Home Page: <http://storm.forge.cnaf.infn.it/doku.php>
  RMM-JMS Home Page: 
  <http://www.haifa.ibm.com/projects/software/rmsdk/index.html>
  VIGS Interface Home Page: <http://gladgw.lnl.infn.it:2002/IEFacade/>
  




  
    ______________________________________________________________________
           Full background information on all sponsoring companies
       Firms marked with an * have updated their info in the last 30 days 


                 [ ] A1744 ) Altair
                 [ ] A1338 ) AMD
                 [ ] A1719 ) Crosswalk
                 [ ] A704  ) Digipede
                 [ ] A381  ) HP
                 [ ] A1728 ) IBM
                 [ ] A383  ) Intel
                 [ ] A1246 ) Platform
                 [ ] A1168 ) United Devices


           For sponsorship information contact: [email protected]
     ______________________________________________________________________ 



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