Message communication - incoming or outgoing from/to an external system in Oracle Banking Corporate Lending will happen only through an Oracle Banking Corporate Lending Integration Gateway. Hence, it becomes the first point of contact or last point of contact with the database in message flow. The Oracle Banking Corporate Lending Integration Gateway can be deployed to support both the distributed and single schema deployments of Oracle Banking Corporate Lending:

1. Distributed deployment of Oracle Banking Corporate Lending – In this situation the database components of the Gateway is deployed as two or more schemas.
   • The messaging schema as part of SMS schema in the SMS and/or HO instance
   • The business schema(s) in the various branch schemas in the branch instance(s)
2. Single schema deployment of Oracle Banking Corporate Lending – In this situation the database components of the Gateway (messaging and business) are both deployed as part of the single Oracle Banking Corporate Lending schema.