Persian City Directory: Computers: Performance and Capacity:

Web Directory - Computers: Performance and Capacity

See also:

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.
Quantitative System Performance - Introductory text on analytic computer performance models. Complete text is available as searchable PDF. Published in 1984.
Stratton & English Software - Performance Specialists - Provider of Internet Software Services, specialising in Performance Investigations - including performance prediction, optimisation and testing.