Comet, just a buzzword?

Look at http://ajaxpatterns.org/DotNet_Ajax_Frameworks,

http://msdn.microsoft.com/msdnmag/issues/05/10/WickedCode/

http://discuss.joelonsoftware.com/default.asp?joel.3.316543.10,and http://forums.asp.net/thread/1573265.aspx

From I can see Comet is asynchronous sockets programming. I found this interesting article on msdn:

http://msdn.microsoft.com/msdnmag/issues/05/08/HighPerformanceSockets/default.aspx

Are they the same thing?

From the ajaxpatterns site theemergetk toolkit looks interesting as an example.