Live Mesh FeedSync: an overview of the protocol under the hood

I already mentioned why I think Live Mesh is cool and that I think the most important part of it, FeedSync, is being largely ignored by reviewers. Fortunately, there's an extensive interview with the team that goes quite deep in FeedSync and how it works. Go watch it, it's good info.

At the most basic level, FeedSync is a mechanism to associate versioning "headers" to arbitrary objects (items), and an algorithm to merge and detect conflicts based on that header information. Replace "header" with "extension element" and "arbitrary object" with "RSS/Atom Item" and you have the XML feed version of it:...

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