SAP HCI is intended as Integration System-as-a-Service (PAAS) which helps to combine multiple unbiased units/purposes for a company course of action. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI provides Adapters (Connectivity choices) like: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Some https://damienbxslf.blogminds.com/hana-cloud-integration-25942446