What is fallback logical port in SAP BC-ESI - Enterprise Service Infrastructure?

SAP Term: fallback logical port

• Component: BC-ESI

• Component Name: Enterprise Service Infrastructure

• Description: A normal logical port which can be used to override the automatically generated logical port created during business scenario configuration. It can be used when business scenario configuration fails to generate logical ports automatically. You can create a maximum of one fallback logical port for one consumer proxy within a service group pointing to one provider system. As long as a fallback logical port exists, business scenario configuration uses this port and does not generate a regular logical port.

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• Key Concepts: 
  A fallback logical port is a feature of the SAP Enterprise Service Infrastructure (BC-ESI) that allows for the automatic redirection of messages to an alternative communication channel if the primary channel fails. This ensures that messages are delivered even if the primary channel is unavailable. 
  
  How to use it: 
  To use the fallback logical port, you must first configure it in the SAP system. This involves setting up a logical port for each communication channel and assigning a fallback port to each one. Once configured, the system will automatically detect when a message fails to be delivered on the primary channel and will then redirect it to the fallback port. 
  
  Tips & Tricks: 
  When configuring a fallback logical port, it is important to ensure that the fallback port is configured correctly and that it is able to handle the same type of messages as the primary port. Additionally, it is important to monitor the performance of both ports to ensure that messages are being delivered in a timely manner. 
  
  Related Information: 
  For more information on configuring and using fallback logical ports, please refer to SAP's documentation on Enterprise Service Infrastructure (BC-ESI). Additionally, there are many online resources available that provide detailed instructions on how to configure and use fallback logical ports.