http://www.sqlservercentral.com/blogs/brian_kelley/2006/05/05/scaling-out-sql-server-2005-article/

Printed 2013/05/26 02:33AM

Scaling out SQL Server 2005 article

2006/05/05

This article appeared just recently on MSDN:

Scaling Out SQL Server 2005

It's a relatively high level document which covers how to think about the data before going with a scale out solution, what factors impact a scale out solution (such as how often the data is updated), and what the main options are.