Group Type: Working Group

Group Chair(s): Gilbert Netzer, Rosario M. Piro

Group Email: rus-wg@ogf.org (Subscribe) (Archive by date)

The purpose of this group is to define a Resource Usage Service (RUS) for deployment within an OGSA hosting environment that will track resource usage (accounting in the traditional UNIX sense), but will not concern itself with payment for the use of the resource.

The scope of the WG is to pursue the development and definition of a standardized Web service-based RUS interface that provides access to information stored in standardized usage record formats. While other usage record formats may be of interest, the WG primarily focuses on an interface that provides access to information stored in the URF, which is defined by the UR–WG. Note that the RUS specification does explicitly not concern itself with any form of content for the used usage record formats.
It is out of scope that this WG will provide an own security model, since such work is done in other OGF groups (e.g. [11]). However, since RUS provides a storage for data that may be used as a basis for Grid accounting or even financial transactions, it is important that clear evidence of the origin of the data stored in a RUS exists. Therefore the RUS-WG has to address what information about operations on the UR collection has to be stored along the usage record and how it is possible for clients to retrieve that audit information from the service. The audit model developed by the RUS-WG should also aid conflict resolution in case resource owners and consumers have different opinions about the contents of a usage record. This is especially important since RUS cannot and should not make any guarantees about the correctness of the information stored in a usage record beyond schema validation.
Furthermore, the RUS specification does explicitly not concern itself with any form of payment transactions for the used resources.

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