SAP HCI is created as Integration System-as-a-Services (PAAS) which helps you to combine multiple independent techniques/apps for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI features Adapters (Connectivity choices) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A https://simoniezsm.activablog.com/27790127/hana-cloud-integration