Published at LXer:
Here's a quick blog, because I'm really in hurry, so please forgive any mistakes.
Microsoft worked together
with Apple to bring Silverlight video to the iPhone. What this solution basically does is take a video at the server side, cut it in parts and convert the parts to separate MPEG2 streams. Then stream those files to end users with IIS Media services. These have .ts extensions, a format mplayer understands.