As part of our ongoing experimentation with the HTML5 WebSocket proposed standard for duplex communication between web browsers and servers, we have prototyped a WebSocket protocol implementation based on Microsoft technologies. The prototype consists...

With the new transport (TCP) added in SL4, and a few people started asking how to serve the cross-domain policy file if the TCP service is self-hosted (like the same issue for cross-domain calls to self-hosted HTTP services). I published a new post to...

It appears that MSDN’s new blog engine has started more aggressively marking comments for moderation. I started getting suspicious at not receiving any comments on our posts, so I checked and it turned out there was a huge queue of comments waiting to...

The new MultipleMessagesPerPoll mode added to PollingDuplex in Silverlight 4 , comes with some new timeouts , so I thought it would be useful to post a detailed description of how those work. Unfortunately this is not currently covered by our documentation...

Carlos, one of my teammates responsible for WCF support in Silverlight, just posted a code sample showing how to do file downloads from Silverlight using a WCF service. The key here is that it uses HTTP chunking (or streaming) on a single response to...

I would like to invite you to review, download, use, tweak, and provide feedback for an experimental project we launched at Codeplex: Laharsub ( http://laharsub.codeplex.com ). We have been getting comments and observing the dominant use case scenarios...