SAP HCI is developed as Integration Platform-as-a-Support (PAAS) which helps you to integrate a number of impartial programs/apps for a business method. 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, https://sap-s-4hana-cloud70246.uzblog.net/hana-cloud-integration-42485928