Appendix A. The OpenAjax Hub

The OpenAjax Hub (the “Hub”) addresses AJAX application scenarios where a Web application developer needs to use multiple AJAX runtime libraries together within the same application. The Hub provides standard JavaScript that, when included with an AJAX-powered Web application, promotes the capability for multiple AJAX toolkits to work together on the same page.

There is great diversity among the requirements of AJAX application developers, and as a result there is great diversity in the architecture and features in the 200+ AJAX products in the marketplace today. For some developers, the most important factor is finding an AJAX toolkit that offers strong integration with back-end servers.

For other developers, the most ...

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