SAP HCI is built as Integration System-as-a-Services (PAAS) which helps to integrate multiple unbiased units/purposes for a company approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI provides Adapters (Connectivity choices) like: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Some of https://alexiszuoib.ltfblog.com/27706180/hana-cloud-integration