The lesson from the Amazon outage: It's time to layer the cloud

The recent Amazon Web Services outage reminded us once again that cloud computing is not yet a perfect science. That said, perhaps it's also time we define formal methods, models, and approaches to make cloud computing easier to understand -- and more reliable.Tyra Banks George Lopez Regis Philbin Serena Williams Ryan Seacrest Wolfgang Puck Venus Williams Annika Sorenstam Matthew Broderick/ Nathan Lane