SAP GetWay is the componant the allowed to communicate with outside world. In the recent SAP version , some component allow to communicate with internet network throu a http protocol. In fac, this componant embed a ODATA service , wich is a sub componant of restful protocol . some guys likes to compare ODATA as SQL for database . SQL query database via socket and ODATA by via HTPP protocol . the power of data is you can add annotation to the service data . browser translate it to UI . Odata is not a buil-in protocol when developing node js server for exemple. in Java or .net you must a call a library that will help you to build Api using Odata . consumer also should call dependency or liberay to be able to consume odata service.
