Page Comparison

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• the Client Layer describes general services a client may need from a Federation Service (i.e. the MetaLib X-Server).
• the Service Layer provides a framework common to all Federation Services. Methods such as FedConnect, FedResource, FedQuery and FedResults should be common to all Federation Services such as metasearch engines like MetaLib or SIRSI SingleSearch.
• the Manager Layer is a layer an interface between the Federation Service Layer and a specific Federation Service, such as the MetaLib X-Server. This interface layer allows the Federation Service to access the services of diverse Federation Services.
• the X-Server Layer lists the specific services provided by the MetaLib X-Server and how they map to the Manager and Service Layers.

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The Potential Repository Components section provides data structures produced by the X-Server that could be stored as Assets, Records, or Parts in a an O.K.I. Repository OSID implementation. This section of the diagram will be updated as we decide on how to map the specific metasearching data structures to Repository Components such as Assets, Records and Parts.

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