SAP HCI is designed as Integration Platform-as-a-Assistance (PAAS) which helps to combine numerous unbiased techniques/purposes for a business system. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI gives Adapters (Connectivity solutions) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData