| 摘要 |
This invention concerns an arrangement for invoking a requested service, the arrangement comprises a discovery service ( 2106 ), the discovery service ( 2106 ) comprising storage means for storing a data model of at least one service and retrieval means for retrieving a service ( 2103, 2104, 2105 ), where the storage means are adapted to store relationships between services, comprising in advance retrieval means for retrieving a path of multiple services in said data model, where the concatenation of the services correspond to the requested service. The invention concerns also a method for invoking a requested service, the method comprising the steps of retrieving in advance a path of multiple services in said data model, where the concatenation of the services correspond to a requested service for invoking the service on the path consecutively.
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