Salam to all, wanna share something interesting.
http://news.yahoo.com/s/nm/20070222/sc_nm/architecture_patterns_dc;_ylt=Amk0YX.yhKWF8F3dVahix4pvaA8F
http://news.yahoo.com/s/nm/20070222/sc_nm/architecture_patterns_dc;_ylt=Amk0YX.yhKWF8F3dVahix4pvaA8F