In the inbound communication model, the EIS initiates all communication to an application. The application can be composed of EJBs (session, entity and message-driven beans) and it can reside in an EJB container.
The figure below shows the process of the inbound communication.
The inbound communication is supported by Message Inflow contract of JCA1.5.
The table below lists the implementation classes used by SNA JCA LU0 Connector to fulfil the Message Inflow Contract:
Message Inflow Contract Implementation of JCA LU0 Connector