Compatibility between IIS Smooth Streaming and Apple HTTP Live Streaming

It seems as though IIS Smooth S开发者_StackOverflow社区treaming and Apple HTTP Live Streaming both use similar (if not identical) underlying mechanics. In particular they both rely on segmented H.264 / MP4 files.

Is it possible to output the video segments in such a way that the same video data can be utilized by both Mobile Safari clients and Silverlight clients? If the playlist format is the only difference then this would seem easy to deal with...

Edit: or more generally -- is there a common way to segment such that this kind of adaptive HTTP streaming is possible from the same static source files to both iOS and Silverlight players (and/or even Flash too)?

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It's built in to IIS Media Services 4.0. There is an article with the details here.