Plan for software boundaries (Microsoft Office SharePoint Server 2007)

A nice article on Plan for software boundaries (Office SharePoint Server) by Technet
In this article:

Planning and performance guidance updates
Test environment
Test results
Guidelines for acceptable performance

This article provides information to help you understand the tested performance and capacity limits of Microsoft Office SharePoint Server 2007, provides information about the test environment and test results, and offers guidelines for acceptable performance. Use the information in this article to determine whether your planned deployment falls within acceptable performance and capacity limits.

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