Alexey Zakharov's Blog : Web Serviceshttp://weblogs.asp.net/alexeyzakharov/archive/tags/Web+Services/default.aspxTags: Web ServicesenCommunityServer 2007 SP1 (Build: 20510.895)Silverlight Tip: If Polling Duplex SLOWS Everything =)http://weblogs.asp.net/alexeyzakharov/archive/2009/04/11/silverlight-tip-if-polling-duplex-slows-everything.aspxFri, 10 Apr 2009 18:00:00 GMTc06e2b9d-981a-45b4-a55f-ab0d8bbfdc1c:7040808brainbox0http://weblogs.asp.net/alexeyzakharov/rsscomments.aspx?PostID=7040808http://weblogs.asp.net/alexeyzakharov/archive/2009/04/11/silverlight-tip-if-polling-duplex-slows-everything.aspx#comments<p>Today I've lost about 6 hours to find out why POLLING DUPLEX make all my WCF services work extremely SLOW. The reason was Global.ashx. Don't know why it caused such problems, but when I've deleted it everything started working correctly. </p><img src="http://weblogs.asp.net/aggbug.aspx?PostID=7040808" width="1" height="1">SilverlightDuplexWeb ServicesWCF