SAP HCI is created as Integration System-as-a-Services (PAAS) which helps you to combine multiple independent programs/purposes for a company method. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI presents Adapters (Connectivity alternatives) which include: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudportal24680.aioblogs.com/81926110/hana-cloud-integration