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Extending WS-AGREEMENT with multi-round negotiation capability

: Rumpl, A.; Wäldrich, O.; Ziegler, W.


Wieder, P.; Yahyapour, R.; Ziegler, W.:
Grids and service-oriented architectures for service level agreements : This book contains the proceedings of the 2nd Workshop on Service Level Agreements in Grids, which was held in conjunction with the IEEE GRID 2009 Conference on October 13, 2009, and the proceedings of the Dagstuhl seminar Service Level Agreements in Grids organized in March 2009
Berlin: Springer US, 2010 (CoreGrid series 13)
ISBN: 978-1-4419-7319-1
ISBN: 1-4419-7319-2
ISBN: 978-1-4419-7320-7
DOI: 10.1007/978-1-4419-7320-7
Workshop on Service Level Agreements in Grids <2, 2009, Banff>
International Conference on Grid Computing (Grid) <10, 2009, Banff>
Seminar Service Level Agreements in Grids <2009, Schloß Dagstuhl>
Conference Paper
Fraunhofer SCAI ()
Service Level Agreement; WS-agreement; negotiation

The WS-Agreement specification of the Open Grid Forum defines a lan- guage and a protocol for advertising the capabilities of service providers and creating agreements based on templates, and for monitoring agree- ment compliance at runtime. While the specification, which currently is in the process of transition from a proposed recommendation of the Open Grid Forum to a full recommendation, has been widely used after the initial publication in May 2007, it became obvious that the missing possibility to negotiate an agreement rather than just accepting an of- fer is limiting or inhibiting the use of WS-Agreement for a number of use-cases. Therefore, the Grid Resource Allocation Agreement Working Group of the Open Grid Forum started in 2008 to prepare an extension of WS-Agreement that adds negotiation capabilities without changing the current specification in a way, which leads to an incompatible new version of WS-Agreement. In this paper we present the results of this process with an updated version of the specification in mind and the first implementation in the European project SmartLM.