Madison is a highly scalable, highly available appliance for enterprise data warehousing for data volumes in the petabyte range. Madison uses massively parallel processing (MPP) to deliver high performance and scalability on a platform based on SQL Server 2008, Windows Server 2008, and industry-standard hardware. In this session, we'll review the concepts and principles behind Madison, provide a functional overview of the appliance, demonstrate how the appliance distributes data and queries for optimum performance and provide a timeline of major milestones.