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OPC UA IIOT
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Allen K
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03/22/2017
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03/22/2017 - 00:34
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Hello All,

In an industrial environment, a client cannot connect to a server over the internet (port forwarding is not allowed for obvious reasons).  I was watching a video on youtube regarding OPC UA and cloud services and its possible for the server to connect to the client (thus allowing two-way communication).  

There is a white paper on this.  Does anyone know where that white paper is located?  

Anyone have any insight on how this works.

Thank you 

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Randy Armstrong (Sparhawk)
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05/12/2015
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03/23/2017 - 07:04
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The Part 6 1.04 RC adds a reverse hello message which a server sends to a client when it wants the client to connect.

Part 6 also adds an AMQP transport mapping that allows a client and server to communicate via a broker.

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