SAP HCI is made as Integration System-as-a-Provider (PAAS) which really helps to integrate several unbiased systems/programs for a business system. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI gives Adapters (Connectivity solutions) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Some