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SUMMARY:Tools to use heterogeneous Grid schedulers and storage system
DTSTART;VALUE=DATE-TIME:20100226T130000Z
DTEND;VALUE=DATE-TIME:20100226T132500Z
DTSTAMP;VALUE=DATE-TIME:20130520T052001Z
UID:indico-contribution-25@cern.ch
DESCRIPTION:Speakers: Dr. CINQUILLI\, Mattia (INFN\, Sezione di  Perugia)\
 nThe Grid approach provides an uniform access to a set of geographically d
 istributed heterogeneous resources and services\, enabling projects that w
 ould be impossible without massive computing power. Different storage proj
 ects have been developed and a few protocols are being used to interact wi
 th them such as GsiFtp and SRM (Storage Resource Manager). Moreover\, duri
 ng last few years different Grid projects have developed different middlew
 are such as EGEE\, OSG\, NorduGrid and each one typically implements its o
 wn interface and workflow. For a user community which needs to work throug
 h the Grid\, interoperability is a key concept. To handle different Grid i
 nterfaces\, the resource heterogeneity and different workflows\, in a real
 ly transparent way\, we have developed two modular tools: BossLite and Sto
 rage Element API. These deal with different Grid schedulers and storage sy
 stems respectively\, by providing a uniform standard interface that hides 
 the differences between the systems they interact with. BossLite transpare
 ntly interacts with different Grid systems\, working as a layer between an
  application and the middleware. Storage Element API implements and manage
 s the operations that can be performed with the different protocols used i
 n the main Grid storage systems. Both the tools are already being used in 
 production in the CMS computing tools for distributed analysis and Monte C
 arlo production. In this paper we show their implementation\, how they are
  used and performance results.\n\nhttp://indico.cern.ch/contributionDispla
 y.py?contribId=25&sessionId=7&confId=59397
LOCATION:Jaipur\, India
URL:http://indico.cern.ch/contributionDisplay.py?contribId=25&sessionId=7&
 confId=59397
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