SAP HCI is made as Integration System-as-a-Service (PAAS) which really helps to combine many impartial techniques/programs for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI provides Adapters (Connectivity choices) such as: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudfaq59371.blogscribble.com/28206558/hana-cloud-integration