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See Fabric Registry.


A message returned by a service to a service consumer in response to a request from that consumer.

See Also output message.

Representational State Transfer (REST)

An architectural style for services based on Roy Fielding's doctoral dissertation. REST takes the view that services can be fully implemented using the concepts encapsulated in the design of the Web. A service's operations are handled as if they were resources addressed by a URI. Requests are made using one of the four simple HTTP verbs: GET, PUT, POST, and DELETE.


A message sent from a service consumer to a service provider asking for the service to perform an action.

See Also input message.

request-reply pattern

A messaging pattern in which a message producer receives a message and returns a correlated message.

See Also request-response operation.

request-response operation

One type of WSDL-defined abstract operation, in which the service endpoint receives a message and returns a correlated message. Request-response operations specify input message, output message, and fault message types.


On the Web a resource is anything that can be identified using a URI. When developing RESTful services, a resource is a class or method that implements a piece of the application's functionality.


See reply.

RESTful service

A service provider implemented using RESTful principles.

See Also Representational State Transfer, Java API for RESTful Services.

retroactive consumer

A consumer that indicates to the topic that every attempt is to be made to send messages that the consumer may have missed.


A chain of processors through which a message travels.

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