SAP HCI is intended as Integration System-as-a-Company (PAAS) which really 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 options) such as: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://traviscytle.yomoblog.com/34372008/hana-cloud-integration