The service behaviour shall be in accordance with the patterns detailed in Message Exchange Patterns: Identification Guidelines.
The two interfaces have different behaviour. A combination of an AMQP 1.0 implementation and an OGC Web Feature Service 2.0 Interface Standard implemetation shall be used for the basic behaviour.
The typical behaviour for PUBLISH_SUBSCRIBE means that:
- A request-reply implementation handles the subscription. See the Digital NOTAM Subscription and Request Service Subscription Interface.
- An AMQP 1.0 implementation handles the distribution of the messages. See the Digital NOTAM Subscription and Request Service Distribution Interface.
For SYNCHRONOUS_REQUEST_REPLY (used in the Digital NOTAM Subscription and Request Service Request Interface), the typical behaviour is as follows:
- The request message is sent from the service consumer to the service
- The service consumer remains blocked while awaiting the reply
- The service remains blocked while processing the reply
- The AIXM Basic Message, the reply message, is sent from the service to the service consumer.