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Wolfgang Ziegler
Head of Grid Middleware Research Group, Fraunhofer Institute SCAI, Germany
Wolfgang Ziegler is head of Grid Middleware Research Group in the Department of Bioinformatics of the Fraunhofer Institute for Algorithms and Scientific Computing (SCAI).
His research areas are Grid Computing, Resource Management and Scheduling, Management of Virtual Organisations, Service Oriented Architectures, and Service Level Agreements. He was active in the US Grid Forum since 1999, he was a co-founder of the European EGRID in 1999 and since 2001 he was co-chairing several working groups of the Open Grid Forum. Currently he is co-chairing the Grid Resource Allocation Agreement Protocol Working Group (GRAAP-WG), which develops WS-Agreement, a proposed recommendation for an XML language for specifying service level agreements between a resource/service providers and consumers, and a protocol for creation of the agreements.
He has been and is programme committee member of a number of conferences and workshops in the field of Distributed Computing and Grids. He is participating as work-package leader or coordinator in several national and European Grid projects, e.g. VIOLA, D-Grid, the CoreGRID Network of Excellence, PHOSPHORUS.
Wolfgang Ziegler organizes the BoF Session:
'SLAs for Grid Resource and Service Management'
Abstract: As the Grid evolves to become an infrastructure for providing and consuming services in research and commercial environments, mechanisms are needed to agree on the objectives and the quality of such service provision. This could be facilitated by means of electronic contracts between service consumers and one or more service provider(s), in order to achieve the necessary reliability and commitment on both sides. Such contracts help to establish a well-defined relationship between a service provider and a client in the context of a particular service provision. This is especially important if the services or resources to be used come from different administrative domains, or if commercial service provision needs to be supported. Service Level Agreements (SLA) are a promising approach to establishing these kinds of guarantees and relationships.
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