SAP HCI is designed as Integration System-as-a-Company (PAAS) which really helps to integrate various unbiased systems/applications for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI provides Adapters (Connectivity possibilities) which include: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://israelyldqa.blogdemls.com/28051974/hana-cloud-integration