SAP HCI is made as Integration Platform-as-a-Assistance (PAAS) which really helps to combine multiple independent techniques/programs for a business approach. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid design. HCI delivers Adapters (Connectivity solutions) such as: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://louisglors.thenerdsblog.com/33695780/hana-cloud-integration