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Subject: Composition of manageability
Here is the diagram of what I believe the WSDM spec MUST enable people to do: compose manageability as needed.
Explaining the diagram would sound as follows (and I suggest this diagram and text be used in the UArch spec Context section somewhere).
"A resource (e.g. disk) could be exposed as a Web service, such as, its read/write/seek function could be exposed as a service. WSDM specification allows the resource and its service to be manageable in a standard and interoperable manner by defining manageability capabilities and interfaces of a resource and a service (a kind of resource too). Manageability capabilities and interfaces could be composed into the service that offers functions of the resource. For example, a Web service that is to offer manageable disk resource would implement its functional interfaces and also interfaces that allow disk management and management of the service that offers the disk functions.
Managers could easily discover such composition by inspecting the service description. Managers could take advantage of the composition of manageability by, for example, querying free disk space using disk manageability capability and along with that query average response time of the disk service.
Composability makes it easy for Managers to deal with resources exposed as Web services and also makes it easy for implementers of the resource services to offer proper set of manageability capabilities."
-- Igor Sedukhin .. (email@example.com)
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