SAP HCI is made as Integration System-as-a-Provider (PAAS) which helps you to combine a number of independent units/programs for a company method. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI presents Adapters (Connectivity alternatives) such as: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oDat