Patent attributes
Computer-implemented methods and systems are provided for identifying IT service compositions corresponding to subsets of a set R of IT service requirements. Such a method includes providing a data structure including, for a set S of IT services, a master graph having master nodes representing respective subsets of like services in S, interconnected by master edges each representing an integration-need between nodes interconnected by that edge. The method further comprises, for each service composition being a set of services, integrated by integration components and spanning all master nodes, in the composition subgraph, comparing the composite attributes of services and integration components in that composition with the requirements in R′ to select at least one preferred service composition for R′, and outputting composition data defining each preferred service composition.