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WSDM MUWS requirements for WSRF

This document outlines the key requirements from the Web Services Distributed Management (WSDM) group to enhance manageability in web services through the Web Services Resource Framework (WSRF). WSDM is an early adopter of WSRF, with standardized access on WS-RP for property retrieval and using WS-Addressing for manageability endpoints. The requirements include defining topics for value change notification registration, querying available properties at runtime, discovering EPR with WSDL, and ensuring completeness of EPR. The timeline targets WSDM 1.0 for Oct/Nov 2004, emphasizing a modular approach for manageability capabilities and versioning of WS-Resource endpoints. Detailed requirements can be found in the provided WSDM documents.

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WSDM MUWS requirements for WSRF

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  1. WSDM MUWS requirementsfor WSRF William Vambenepe July 28th 2004

  2. Context • WSDM is an early adopter of WSRF • Standardized on WS-RP for accessing properties • Uses WS-Addressing for manageability endpoints • WSDM had requirements is was planning to meet on its own but that are now best passed to WSRF (and WSN)

  3. Already communicated requirements 1/2 • WSRF to define a topic for people to register for notification on value change affecting any property (or at least any property for which notification is available) without having to register for each property. • This is now a WSRF issue (#55)

  4. Already communicated requirements 2/2 • Ability to query list of available properties at runtime • This is part of WSRF issue 9 • Discovery of EPR when you have the WSDL (issue 47) • Description of issue still not finalized by WSDM • Completeness of EPR (issue 46) • Retrieve the complete WSDL, know which service/port to use

  5. From WSDM requirements 1/x WSDM MUWS requirements doc: http://www.oasis-open.org/apps/org/workgroup/wsdm/download.php/6185/WSDM-MUWS-Req-committee-draft-1.0-20031002.pdf

  6. From WSDM requirements 2/x • “Discovery of manageable resources through Web services discovery mechanisms” • Access to aggregations of manageable resources, including invoking operations on several resources in one operation

  7. From WSDM requirements 3/x • Variety of resource types (logical/physical, long-lived/transient, etc) • Discovery of relationships • Modular approach to capabilities. Allows discovery of manageability capabilities. • Versioning of WS-Resource endpoints

  8. Timeline • WSDM 1.0 targeted for Oct/Nov 2004. • Doesn’t necessarily require final WSRF specs, but needs answer to these questions

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