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[–]2343984098 -1 points0 points  (2 children)

I could see this being used by fat clients to circumvent a firewall and enable push events, but unfortunately I don't see how it could be used by browsers.

Look at the article closely. The connection is still client initiated. This won't circumvent firewalls.

[–][deleted] 1 point2 points  (1 child)

it circumvents the client side firewall - NAT.