Description

A Federated Source is a Remote Source that can be included in federated queries by request or as part of an enterprise query. Federated Sources only support query and site information operations. Catalog modification operations such as create, update, and delete are not allowed. Federated Sources also expose an Event Service, which allows the Catalog Framework to subscribe for event notification when Metacards are created/updated/deleted.

DDF Catalog instances can also be federated to each other, hence a DDF Catalog can also act as a Federated Source to another DDF Catalog.

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