MVC (Model View Controller) Development Strategy

Here is a link to a development methodology which I would highly recommend as an appropriate software development methology for legal extranet systems. While this reading is not for the faint of heart, it does describe, quite well, the manner in which an additional metadata layer can be added on to a system this allowing the rapid development of new system entities and the subsequent easy reuse of application code to support a plethora of various business functions and vertical markets.

One of many links and websites describing this strategy is http://www.tonymarston.net/php-mysql/model-view-controller.html