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Basics of Grid Services: Definitions and Implementations

Learn about PortType, Web Services, OGSI runtime, Container hosting, and OGSI reference Implementation in the world of Grid Services. Understand the basics and explore GT3 with Satomayor's tutorial.

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Basics of Grid Services: Definitions and Implementations

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  1. Basics of The Grid B. Ramamurthy BR

  2. Web services • PortType is an abstract definition of a set of operations. • Operation is defined by inputs, outputs and faults. • PortType can have many bindings. • Web Service definition is bound to a porttype. • A grid service is web service. BR

  3. Factory Registry Hosting Environment Factory HandleMap . . . Factory Service Service Service …. Virtual Organization BR

  4. Grid Container • OGSI runtime environment forms the Grid services container. • Container hosts system level services, resource declarations, life cycle management etc. • Container is hosted by a real server or hosting environment. • Container should be flexible enough to host services to enable a B2B application supporting large number of concurrent users, or job submission scheduling service. BR

  5. Grid Service BR

  6. OGSI Reference Implementation • Implements OGSI interfaces such as GridService, Factory, Notification, HandleResolver, and ServiceGroup • OGSA specifies a grid service • OGSI defines the grid service • GT3 is a reference implementation of OGSI • Lets study Satomayor’s GT3 tutorial. BR

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