Question - What is NetWeaver? what is the advantage of using NetWeaver?
Answer -
NetWeaver is an integrated technology platform that allows running various products from mySAP suite on a single instance called SAP Web Application Server(SAP WEBAs).
The advantage of NetWeaver usage is you will be able to access SAP data using the web(HTTP protocol) or even from a mobile device. This will save the costs involved in training clients on SAP Client-side GUI.