Communication Role
Discussion
A Communication Role identifies how a Logical Node participates in a Logical Communication Endpoint.
Communication Roles describe logical participation in an exchange. They do not prescribe communication technology, protocol, deployment topology, or runtime packaging.
A Logical Node performs one or more Communication Roles for a given endpoint. The same Logical Node also performs different Communication Roles across different endpoints. For example, a Logical Node publishes health status, subscribes to configuration updates, consumes commands, and produces acknowledgements.
Definition
Logical participation responsibility performed by a Logical Node at a Logical Communication Endpoint.
Source
Specialization of Node Role and Communication Endpoint from Part 1, Sections 7.4 and 7.6; generalised from publisher, subscriber, command, control-plane, and topic-participation material in the original FX Demo Reference Architecture.
Note
A Communication Role belongs to the logical interaction model. It does not identify a deployed process, network connection, protocol binding, or middleware participant.
Example
A Logical Node performs a Publisher Role when it produces health-status information for a logical health-status endpoint.