SAP HCI is created as Integration System-as-a-Support (PAAS) which really helps to integrate a number of unbiased techniques/apps for a company method. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI provides Adapters (Connectivity selections) such as: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, https://s4hanacloudsapnotes93602.isblog.net/hana-cloud-integration-45432696