SAP HCI is built as Integration Platform-as-a-Assistance (PAAS) which helps you to integrate a number of impartial techniques/programs for a business process. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI gives Adapters (Connectivity alternatives) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://andregeztm.azzablog.com/28346445/hana-cloud-integration