This technical article explains how Elphel used asynchronous Javascript and XML (AJAX) to add advanced features to the user interfaces of its Linux-based network camera family. A unique AJAX architecture leverages a full LAMP stack (Linux-Apache-MySQL-PHP) on the client side, providing richer functionality than a Javascript/XML-enabled browser alone could provide, especially in terms of interaction… with local client-side mass storage devices, the author claims.

As a natural extension of Elphel's client-side LAMP approach, the article closes with a discussion of using a liveCD based on Knoppix Linux as an alternative to cross-platform support. The CD includes a firefox browser, LAMP stack, preprocessing and format conversion utilities, and a “DVR” (digital video recorder) application written as a LAMP application.

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