先来中文的：
主要讲Orbited: http://sunsetsunrising.com/2009/django_comet.html#gsc.tab=0
再来英文的：
http://www.rkblog.rk.edu.pl/w/p/django-and-comet/
http://www.clemesha.org/blog/realtime-web-apps-Python-django-orbited-twisted/
sideshare的一个经典PPT：http://www.slideshare.NET/skam/comet-web-applications-with-python-django-orbited
HTML SSE技术：http://www.ibm.com/developerworks/cn/web/1307_chengfu_serversentevent/
https://github.com/niwibe/django-sse
http://curella.org/blog/django-push-using-server-sent-events-and-websocket/
中文的：http://www.25kx.com/art/1495757
http://curella.org/blog/django-push-using-server-sent-events-and-websocket/
http://scriptogr.am/pison/post/django-