SAP HCI is created as Integration Platform-as-a-Service (PAAS) which really helps to integrate many 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 offers Adapters (Connectivity possibilities) like: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oD