SAP HCI is created as Integration Platform-as-a-Provider (PAAS) which really helps to integrate several independent systems/purposes for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI features Adapters (Connectivity solutions) for instance: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A https://s4-hana-cloud-edition36924.blog5star.com/28638102/hana-cloud-integration