Power of BlazeDS
Recently, I found out that Adobe has released BlazeDS (subset of LiveCycleDS) that has 4 main advantages:

AS3 to Java object communication (no XML passes back and forth is needed!)
Boost up performance b/c AMF is a binary protocol
Built-in proxy support that gets around the cross domain security issue from Flex in ease.
Allow push messaging

I [...]

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