The Art of Systems Architecting A Book by Mark W. Maier & Eberhardt Rechtin www.amazon.com Complete and consistent requirements systems
Just a whinny again "There was a time when, for me, a camel's whinnying was nothing more than whinnying. Then it became a signal of danger. And, finally, it became just a whinny again." Paulo Coelho, The Alchemist Mountains are mountains zen