Performance and capacity planning consultancy and training services. Includes whitepapers. Head office located in London, UK.

White paper on the role of capacity planning in e-commerce, how to approach it, and how to maintain it.

Master's thesis by Binzhang Liu

Software and services for resource accounting, capacity planning, and IT chargeback.

Professional organization for capacity planners.

Here Joel Goldstein discusses various DB2 capacity metrics.

Practical Approaches for Distributing HTTP Traffic by Ralf S.Engelschall.

PerfCap Corporation provides Performance Management and Capacity Planning Products and Services.

Offers web-based cross-platform performance analysis and capacity planning tool. Also provides consulting services.

Develops performance tools, evaluates performance-related products, designs system benchmarks, and troubleshoots performance problems. Contact information, events calendar, and links to software tools.

This tool allows you to stress test your web server through a LAN or modem connection. It will generate reports for errors and performance.

Cover mainframe capacity planning and various PC related subjects.

A useful open source tool for storage and retrieval of time series data.

Schema is a provider of telecom resource management (TRM) solutions that enable operators of wireless networks worldwide to optimize and manage their resources.

Consultant and tools vendor with focus on system monitoring, capacity planning, and benchmarking. Tools work on HP/Compaq/Tandem NonStop Kernel, Stratus VOS, and UNIX. Site includes articles on management/performance topics for these OSs.

Cheryl Watson discusses MVS and OS/390 capacity related issues.