SAP HCI is developed as Integration Platform-as-a-Company (PAAS) which helps to combine various unbiased units/purposes for a company 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 of https://s4-hana-cloud-faq25791.suomiblog.com/hana-cloud-integration-43748030