SAP HCI is intended as Integration System-as-a-Support (PAAS) which helps you to integrate a number of independent systems/purposes for a company procedure. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI offers Adapters (Connectivity choices) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://abbiet999smg3.wikipresses.com/user