SAP HCI is intended as Integration Platform-as-a-Assistance (PAAS) which helps to integrate many unbiased techniques/apps for a company procedure. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI provides Adapters (Connectivity selections) like: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A lot