SAP HCI is designed as Integration Platform-as-a-Services (PAAS) which really helps to integrate a number of unbiased methods/programs for a company procedure. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI delivers Adapters (Connectivity options) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudonboarding92579.dm-blog.com/28317466/hana-cloud-integration