SAP HCI is designed as Integration System-as-a-Services (PAAS) which helps to combine multiple unbiased devices/apps for a business method. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI features Adapters (Connectivity options) which include: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Many https://s4hanacloudarchitecture02469.blogkoo.com/hana-cloud-integration-47758521