The recent discussion about node.js made me rethink the state of
Websocket support for Apache and Openstack. A quick recap:
1) neither mod_wsgi nor mod_proxy support Web sockets.
2) There is a Websocket Module for Apache, but using it requires an
additional apache module.
3) There is websocket support in Eventlet.
4) The argument for node.js is the same for Eventlet: rapid dispatch to
support a large number of connections
5) noVNC currently uses websockify, and uses a simplistic web server to
proxy over VNC traffic.
The more I think about it, the more I think that the simplest, and most
correct path forward is to use the websocket Apache module, and to write
an additional module that will hook it up to Eventlet. Eventlet can
listen on a local Port (127.0.0.1 only) and Apache will map that to a
suburl. I'll code name it mod_websocket_proxy for now.
