For more in depth information on this topic I highly suggest Adam Wiggins' talk at QCon. The video can be found here http://www.infoq.com/presentations/Horizon

For more in depth information on this topic I highly suggest Adam Wiggins' talk at QCon. The video can be found here http://www.infoq.com/presentations/Horizontal-Scalability http://www.infoq.com/presentations/Horizontal-Scalability I really like how he treats the topic in a balanced and well reasoned way. Makes it great to learn more about the topic at hand.