Today I was working with a client and ran into a problem I didn't expect. This particular problem had to do with Silverlight consuming a WCF Service. Sometimes WCF causes me to spew four letter words. There is a class of WCF problems that cause this: connection rejection. WCF has been designed to prevent common DDoS and other attacks that could cause servers to fail or at least not serve honest requests. To this end the default size of a request is quite small. In fact, its usually 64K in size. This size is fine for most every request but occassionally when a client wants to send a collection of things to the server this size is too small. But we'll get to that in a minute. First, some background...

Url: http://www.silverlightdata.com

If you have spent anytime with Silverlight, you've likely run across the cross-site scripting issue.  Essentially, the browser doesn't let you do web requests from other sites than the one you're hosted in.   This is to prevent nasty script kiddies from doing nefarious things. 

Url: http://ajax.asp.net/files/AspNet_AJAX_CTP_to_RC...

Url: http://www.microsoft.com/downloads/details.aspx...

I have built a test-vista machine to do some WinFX stuff on and it got me wondering...why do I need to run the WinFX runtime installation on Vista? Isn't this supposed to be pre-installed?  Aren't some built-in Vista apps already using WinFX?  I am so confused.  Anyone know?

Url: http://www.microsoft.com/downloads/details.aspx...

The PDC talk is heating up and it is clear to me that there is a huge number of 'wow' features that will be unveiled in LA. It seems like most of the other bloggers are talking about what I think is protected behind the multitude of NDA's I've signed. So to be safe I am keeping my mouth shut...tightly. What I can say is that what you'll see at the show about Whidbey, Yukon and Longhorn are phenomenal. Some of it is evolutionary, but much of it is revolutionary. I think you’ll be pleased... I am.