SAP HCI is built as Integration Platform-as-a-Company (PAAS) which helps you to combine several unbiased techniques/purposes for a company approach. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid model. HCI gives Adapters (Connectivity options) for example: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://claytonsqizq.luwebs.com/28725182/hana-cloud-integration