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Web Services Resource Transfer (WS-RT) Specification Published

Thursday 31 August 2006

WS-RT 1.0 extends WS-Transfer operations, adding the capability to operate on fragments of management resource representations.

The WS-RT specification is intended to form an essential core component of a unified
resource access protocol for the Web services space. The operations described constitute an extension to the WS-Transfer specification, which defines standard messages for controlling resources using the familiar paradigms of "get", "put", "create", and "delete". The extensions deal primarily with fragment-based access to resources to satisfy the common requirements of WS-ResourceFramework and WS-Management.

The specification intends to meet the following requirements:

  • Define a standardized technique for accessing resources using semantics familiar to those in the system management domain: get, put, create and delete.

  • Define WSDL 1.1 portTypes, for the Web service methods described in this specification, compliant with WS-I Basic Profile 1.1.

  • Define minimum requirements for compliance without constraining richer implementations.

  • Compose with other Web service specifications for secure, reliable, transacted message delivery.

  • Provide extensibility for more sophisticated and/or currently unanticipated scenarios.

  • Support a variety of encoding formats including (but not limited to) both SOAP 1.1 and SOAP 1.2 Envelopes.

This specification does not intend to meet the discovery of resources.

WS-ResourceTransfer and the Management Convergence Roadmap

( http://www-128.ibm.com/developerworks )

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In March 2006, HP, IBM, Intel, and Microsoft announced plans to address customer’s concerns around competing management specifications. The roadmap provided a high-level overview of the strategy being used to achieve the goal of having a single set of specifications for resource access/manipulation, events and management. As the work progresses specifications will be made available for public review and feedback. The first of these specifications is WS-ResourceTransfer.

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WS-ResourceTransfer (WS-RT) is a convergence of WS-ResourceLifetime, WS-ResourceProperties, and parts of WS-Management to standardize how to use Web services for resource creation, access, manipulation, destruction and as well as managing its lifecycle. WS-RT leverages the new extension mechanism defined in the recently updated WS-Transfer specification to define a more fined-grained message protocol for fragment-level interactions with resources. WS-RT represents the first step in the ongoing reconciliation process.

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Get the specification and related material here .

Related Articles

Three Specifications Submitted to W3C

WS-Transfer, WS-Eventing, and WS-Enumeration @ W3C