SAP HCI is designed as Integration System-as-a-Services (PAAS) which helps you to integrate several impartial programs/apps for a business approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI provides Adapters (Connectivity alternatives) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A https://s4-hana-cloud-sap-notes47914.onesmablog.com/hana-cloud-integration-68642233