SAP HCI is developed as Integration System-as-a-Assistance (PAAS) which helps you to combine numerous unbiased methods/apps for a business approach. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI delivers Adapters (Connectivity choices) for instance: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oD