So it seems that this depends on a persistent connection between the user's brow...

		wglb on June 12, 2009 \| parent \| context \| favorite \| on: Hemlock, the open-source, real-time web framework,... So it seems that this depends on a persistent connection between the user's browser and the server. Isn't there a problem with scaling with regard to the number of open connections that the server must now maintain?