SAP HCI is designed as Integration System-as-a-Company (PAAS) which really helps to combine many impartial programs/programs for a business process. 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://s4-hana-cloud-portal13579.pages10.com/hana-cloud-integration-63999178