After hanging out with a number of SOA builders over the last few months, it's come to my attention that many are not focusing holistically when it comes to their architecture. Specially, what's missing, is both an understanding of the data and thinking about the notion of SOA agility when it comes to data. Let's face it, if your schemas are not agile than your SOA will never be, thus you need to focus from the After hanging out with a number of SOA builders over the last few months, it’s come to my attention that many are not focusing holistically when it comes to their architecture. Specially, what’s missing, is both an understanding of the data and thinking about the notion of SOA agility when it comes to data. Let’s face it, if your schemas are not agile than your SOA will never be, thus you need to focus from the bottom up, making sure that all layers are changeable, meaning coupling is kept to a minimum. Software Development