SAP HCI is built as Integration Platform-as-a-Provider (PAAS) which helps to combine various independent techniques/apps for a business process. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI provides Adapters (Connectivity options) including: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Many of the https://s4-hana-cloud-architectur92357.alltdesign.com/hana-cloud-integration-48033725