SAP HCI is intended as Integration Platform-as-a-Support (PAAS) which helps you to integrate numerous independent systems/applications 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 provides Adapters (Connectivity choices) like: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, https://s4-hana-cloud-trial80347.worldblogged.com/33967144/hana-cloud-integration