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Ajax rules among content based websites but have you ever seen it being implemented in enterprise level applications? You might have to strain your grey cells in quoting any example in this regard and there are a few reasons as to why enterprise level applications stay away from it.

As of now there are not enough technologies which offer support to high level data centric enterprise applications and the complexity associated with Ajax does not make it a profitable business proposition. Even security concerns associated with Ajax makes enterprise applications shy away from it.

An empty client approach offers an answer to the problems stated above. As per this approach processing is shifted to the server which results in empty web client allowing complex applications to run on the network and leads to productive desktop development techniques for web development. As no logic, data or open services are involved on the client it has emerged as an option to usual client side Ajax implementation.