J. D. Meier of the patterns & practices is writing Windows Azure Security Guidance as a series of application scenarios and solutions. The scenarios put an emphasis on looking at data on Microsoft Azure platform in context of various app scenarios. The basic pattern is exposing data as a service to your app on Azure. This has two variations: Azure Storage and SQL Azure. Another pattern is exposing data as a service to an on-site app (such as a local Web app that uses data in the cloud.) Patterns that he describes include: ASP.NET to Azure Storage; ASP.NET to SQL Azure; ASP.NET On-Site to SQL Azure Through WCF.