Towards the Aggregation of Security Requirements in Cross-Organisational Service Compositions

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Provided by: Hasso-Plattner-Institut
Topic: Security
Format: PDF
The seamless composition of independent services is one of the success factors of Service-Oriented Architectures (SOA). Services are orchestrated to service compositions across organisational boundaries to enable a faster reaction to changing business needs. Each orchestrated service might demand the provision of specific user information and requires particular security mechanisms. To enable a dynamic selection of services provided by foreign organizations, a central management of static security policies is not appropriate. Instead, each service should express its own security requirements as policies that stipulate explicitly the requirements of the composition.
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