Performance and Optimizing BizTalk Server

The new Microsoft BizTalk Server Performance Optimization Guide has been released to the web. This document provides guidance & best practices on optimizing BizTalk Server performance for demanding production environments.

The guidance consists of the following 4 sections:
Getting Started: an overview of the BizTalk Server functional components that can affect performance. It also describes the phases of a BizTalk Server performance assessment.
Finding and Eliminating Bottlenecks: The Finding and Eliminating Bottlenecks section describes various types of performance bottlenecks as they relate to BizTalk Server solutions and information about how to resolve the bottlenecks.
Automating Testing: Describes how to implement an automated build process and how to automate functional and load testing using Visual Studio Team System, BizUnit and Loadgen.
Optimizing Performance: The Optimizing Performance section provides guidance for optimizing performance of specific components in a BizTalk Server environment
The guide is available in several formats and from several locations:
Full MSDN URL: http://msdn.microsoft.com/en-us/library/cc558617.aspx
Full TechNet URL: http://technet.microsoft.com/en-us/library/cc558617.aspx
As a word document on Microsoft Download Center.