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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Matching Cloud Services with TOSCA
verfasst von : Antonio Brogi, Jacopo Soldani
Erschienen in: Advances in Service-Oriented and Cloud Computing
Verlag: Springer Berlin Heidelberg
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The OASIS TOSCA specification aims at enhancing the portability of cloud-based applications by defining a language to describe and manage service orchestrations across heterogeneous clouds. A service template is defined as an orchestration of typed nodes, which can be instantiated by matching other service templates. In this paper, after defining the notion of
exact matching
between TOSCA service templates and node types, we define three other types of matching (
plug-in
,
flexible
and
white-box
), each permitting to ignore larger sets of non-relevant syntactic differences when type-checking service templates with respect to node types. We also describe how service templates that plug-in, flexibly or white-box match node types can be suitably adapted so as to exactly match them.