Forefront Protection 2010 for SharePoint Performance Data TechNet wiki is now published. The purpose of this article is to provide performance data that shows FPSP's enhanced performance over the previous version of the product, Forefront Security for SharePoint (FSSP). It also describes the overall system performance overhead in adding FPSP to your SharePoint environment, and provides configuration options for further improving system performance if you so desire.
"Several features were added to Forefront Protection 2010 for SharePoint (FPSP) to enhance its performance capabilities. The main areas that were addressed were improving document uploads and increasing the general system performance when FPSP is added to your SharePoint environment.
In comparing the performance of FPSP against the previous version of the product, Forefront Security for SharePoint (FSSP), it was determined that there is an 81% "out of the box" improvement in uploading documents. In addition, it was estimated that adding FPSP results in an overall system performance overhead of approximately 21%."