Check out this benchmark, compares many data communicationapproaches,
best performance was achieved with Flex RemoteObject(Select "Flex AMF -
5000 Rows" from dropdown):http://www.jamesward.com/census/"The Flex AMF
benchmark makes a RemoteObject request to theserver for 5000 rows. The
server serializes the data in the AMFformat. AMF is a binary object
format for ActionScript objects inthe Flash Virtual Machine. The client
gets the AMF data over HTTP,shoves it into memory, then updates the
DataGri...