Quantitative System Performance Introductory text on analytic computer performance models. Complete text is available as searchable PDF. Published in 1984. http://www.cs.washington.edu/homes/lazowska/qsp/

The Art of Computer Systems Performance Analysis Raj Jain's 1992 text provides a comprehensive introduction. His site includes lecture notes for many chapters (but not all) and errata. http://www.cis.ohio-state.edu/~jain/books/perfbook.htm

University Classes on Computer Performance Web sites for academic classes on computer performance. Typical contents include syllabi, readings, homework, and lecture notes. Useful to students, instructors and practitioners who want to review the basics. http://www.frontrunnercpc.com/info/classes.htm

Internet Speed Boost Solutions Modem tweaks and browser tips to speed up Internet access. Reports web accelerator software options which claim full optimization. http://www.inboost.com/

UNIX Performance tools and documentation Information about UNIX commands for performance measurement and tuning documents. Includes tutorials and links to other resources for UNIX performance http://www.geocities.com/techdirectory/performance.html

ATL-CSIM: System Simulation and Modeling Tools. Lockheed Advanced Technology Labs' CSIM is a general purpose discrete-event simulator for block diagram oriented systems. Graphical/interactive or text/batch simulations. Not to be confused with Mesquite Software's CSIM18, another simulation tool. http://www.atl.lmco.com/proj/csim

Stratton & English Software - Performance Specialists Provider of Internet Software Services, specialising in Performance Investigations - including performance prediction, optimisation and testing. http://www.strattonenglish.co.uk

Future Star Services Brief overview of some tools for performance measurement on UNIX systems. http://www.unixperformance.co.uk/tools.htm

Foxee Home of a friendly interactive cartoon fox Microsoft Agent character. http://www.foxee.net