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WebSocket Support #2384

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dapaulid opened this issue Jan 21, 2019 · 1 comment
Open

WebSocket Support #2384

dapaulid opened this issue Jan 21, 2019 · 1 comment

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@dapaulid
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Description

The OPC UA specification Part 6 section 7.5 describes WebSockets as an alternative way for exchanging messages. The URL scheme for this is opc.wss:https://

Are there any plans to support WebSockets in open62541? This would be great for allowing browsers/Web HMIs to directly access an embedded system running an OPC UA server, especially because SOAP/HTTP has been deprecated in 1.03.

I think that the implementation should not require that much effort, since the binary protocol is the same. Therefore, the messages probably just need the additional WebSocket framing.
@matkonnerth
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did some prototyping with libwebsockets on it #2872

Would be interesting if there are any opc ua websocket clients are available?

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@dapaulid @matkonnerth