SAP HCI is built as Integration System-as-a-Services (PAAS) which helps you to combine various impartial programs/apps for a business method. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI presents Adapters (Connectivity solutions) for instance: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://dallasligca.thenerdsblog.com/33718531/hana-cloud-integration