SAP HCI is created as Integration Platform-as-a-Support (PAAS) which helps you to integrate numerous independent systems/applications for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI gives Adapters (Connectivity possibilities) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A https://s4hanacloudonboarding17030.blogoscience.com/34260753/hana-cloud-integration