SAP HCI is made as Integration System-as-a-Provider (PAAS) which really helps to combine various unbiased systems/applications for a company method. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI presents Adapters (Connectivity solutions) such as: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://sap-s-4hana-cloud92468.thezenweb.com/hana-cloud-integration-66074987