The document discusses accelerating enterprise adoption of cloud computing. It outlines National Australia Bank's involvement with the Open Data Center Alliance (ODCA) as a steering committee member since 2010. It also discusses the ODCA's vision of driving new levels of IT agility through unified customer requirements for secure, federated cloud services. Finally, it proposes a conceptual architecture and maturity model framework to prioritize and plan the ODCA's long-term work, focusing on completing Infrastructure as a Service in 2013 and beginning Platform as a Service.