Tomorrow Next

A challenge for developers wishing to use AJAX to incorporate dynamic content from another domain into their page is that AJAX was limited call back to the same domain that the page originated from. Workarounds have been implemented by having the AJAX call to a server process which then makes the request to the other on behalf of the browser, but this increases the load substantially on the originating server and exposes it to risk if the remote server is unresponsive. iFrames from other domains can not directly interact with the host pages. Even appropriately sizing the iFrame to its content can be a challenge. Other workarounds use plug-ins.

For a solution to this problem see HERMES - Cross-Domain Dynamic Script Attachment.

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