Abstract

Web services and service oriented architectures (SOA) are spreading in many organizations to
achieve business interoperability of their intra- and inter-organizational business processes. SOA is
based on the idea that service providers develop and publish web services via standardized interfaces
in directories (registries) where the services will be found and bound by service consumers. While
these registry structures have emerged into a standard for local SOA implementations, the question
remains how service directories should be organized in a business network, i.e. when multiple companies
with individual SOA solutions interact. This research develops a framework for the analysis of
service directories in business networks and provides design options for combining separate and distributed
service directories. These design options are based on the range, reach, and richness of web
service markets in the business network. The framework is applied to two business network cases.

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