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WebSocket works over HTTP, not TCP. A properly implemented HTTP stack will have no problem passing WebSocket to the next server. Some non-compliant HTTP stack still experience trouble with it though.

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Technically incorrect. WebSockets handshake over HTTP and then "work" over TCP. I'm actually curious which HTTP stacks are non compliant and what you mean by that.

As to my original comment, you can probably get by without having full TCP load balancing.

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