Video streaming from client to server: which alternative use, websocket or webrtc

Question

I wish do several little projects experimenting with video and audio streaming from client to server and from client-server-multiples points, I have several questions:

Answer 1

Yes it's possible...

try to use KURENTO with WEBRTC.

You can find 'one to many' call applications in their documentation, from client to server and server to many clients.