Websocket for real time high performant SCADA

I did some digging and found these resources.
https://docs.inductiveautomation.com/display/DOC79/Gateway+Network

Logger filters:
metro.Transports.Websocket
metro.Transports.Websocket.WSFactory
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I am very happy that Ignition is truly built on strong internet foundations.

I would like to know, if Ignition is using websocket data streaming between the client and the server, like they do in online trading platforms. BTW, does NJSCADA do webstreming for the clients?.
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