Xap caching when multiple instances of the SL object is on the page

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cache

Silverlight4

Hi guys, I need your help with this scenario.

In our application, we have a silverlight 4.0 xap that we use as a UserControl. This meaning, that several instances of the xap file can be hosted on the same page.

When the xap is already cached, having several instances won't matter since all of the instances will be loaded from the cache. However our problem occurs, when a user goes to the page for the first time. Since the file isn't cached, each <object ../> will load the xap despite them being objects hosting the same file. Needless to say, this is a huge performance issue that we really need to fix.

I have searched the web before posting my question here, but found nothing similar. So if anyone came across such a scenario or has a suggestion for me, that would be great.

Thanks for your help.