SAP HCI is developed as Integration Platform-as-a-Assistance (PAAS) which helps to combine multiple impartial systems/apps for a business course of action. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI offers Adapters (Connectivity solutions) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oD