SAP HCI is built as Integration System-as-a-Company (PAAS) which really helps to combine various unbiased units/purposes for a company course of action. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI gives Adapters (Connectivity alternatives) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://cruzuqley.blogproducer.com/34391281/hana-cloud-integration