SAP HCI is developed as Integration System-as-a-Provider (PAAS) which helps you to combine many unbiased units/purposes for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI presents Adapters (Connectivity selections) which include: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4-hana-cloud-edition91357.get-blogging.com/28642402/hana-cloud-integration