caching flv data in flex

I am developing an eLearning application in Flex which shows flv movies hosted on a webserver. If the app has many simultaneous users the download demand is quite high because a lot of users need to download the (same) movie(s). Is there a way I can precache this data in my flex client like storing it in the browsercache or something so that for later sessions the bandwidth de开发者_开发问答mand is less high?

Thanks, Martijn

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Browsers will naturally cache the flvs. Make sure you don't have no-cache headers set on the flvs. However, the cache can fill up, and nothing prevents users from clearing their browser cache.

A better solution in my opinion would be to host the flvs on something like amazon cloud front.

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Edit Also, you should consider moving from flv to h.264 as it has been supported since Flash Player 9 (version 9,0,115,0) Update 3 and has much better compression than flvs.