What is listener in SAP BC-MID-BUS - Business Connector?

SAP Term: listener

• Component: BC-MID-BUS

• Component Name: Business Connector

• Description: Receives RFC calls from an SAP system or any RFC client. For each SAP system several listeners can be specified in the SAP BC.

Smart SAP Assistant

• Key Concepts: 
  A listener is a component of the Business Connector (BC) in SAP. It is responsible for receiving messages from external systems and routing them to the appropriate BC service. The listener also sends messages back to the external system. 
  
  How to use it: 
  The listener is configured in the BC configuration file. It is responsible for listening on a specific port and protocol, and for routing incoming messages to the appropriate BC service. The listener can also be used to send messages back to the external system. 
  
  Tips & Tricks: 
  When configuring the listener, make sure that it is listening on the correct port and protocol. Also, make sure that it is routing incoming messages to the correct BC service. 
  
  Related Information: 
  For more information about configuring the listener, refer to the SAP documentation on Business Connector.