SAP HCI is created as Integration Platform-as-a-Service (PAAS) which helps to combine multiple unbiased systems/applications for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI gives Adapters (Connectivity possibilities) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Several of https://simonqqqpn.eedblog.com/28216736/hana-cloud-integration