Web Services Reliability (WS-Reliability)

The Web Services Reliability (WS-Reliability) is a generic and open model for ensuring reliable message delivery for Web Services. It defines reliable message delivery as the ability to guarantee message delivery to software applications - Web services or Web service client applications - with a chosen level of quality of service (QoS). QoS is defined as the ability to determine the following aspects of message delivery:

The WS-Reliability specification provides WSDL definitions for reliable messaging and the message formats specified as SOAP headers and/or body content. 

It addresses the dependencies between the capacity of the messaging nodes (persistence, message processing) and the level of QoS that can be provided.

The OASIS Web Services Reliable Messaging (WSRM) Technical Committee is responsible for the specification.

Also see Web Services Reliable Messaging (WS-ReliableMessaging). Yes, the names are confusing. See a Cover Page on the two specifications (new window).

Organization: OASIS

More information: WSRM page on the OASIS Web site (new window)

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