SAP HCI is created as Integration Platform-as-a-Assistance (PAAS) which really helps to combine many impartial devices/apps for a business approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI offers Adapters (Connectivity choices) like: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. Some https://s4-hana-cloud-faq24680.develop-blog.com/34283556/hana-cloud-integration