SAP HCI is designed as Integration Platform-as-a-Assistance (PAAS) which helps you to combine several unbiased programs/purposes for a business process. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI gives Adapters (Connectivity choices) which include: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oDa