SAP HCI is made as Integration Platform-as-a-Company (PAAS) which helps to combine multiple impartial systems/apps for a business approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI provides Adapters (Connectivity solutions) including: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData.