SAP HCI is made as Integration Platform-as-a-Service (PAAS) which helps you to integrate numerous unbiased methods/apps for a business approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI features Adapters (Connectivity alternatives) which include: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oDat