Performance Dynamics Company Develops performance tools, evaluates performance-related products, designs system benchmarks, and troubleshoots performance problems. Contact information, events calendar, and links to software tools. http://www.perfdynamics.com/

NetScout Systems, Inc. Commercial software and services for e-business performance management. http://www.netscout.com/

Load Balancing Your Web Site Practical Approaches for Distributing HTTP Traffic by Ralf S.Engelschall. http://www.webtechniques.com/archives/1998/05/engelschall/

CIMS Lab, Inc. Software and services for resource accounting, capacity planning, and IT chargeback. http://www.cimslab.com

CMG - Computer Measurement Group Professional organization for capacity planners. http://www.cmg.org/

DB2 System Performance Metrics Here Joel Goldstein discusses various DB2 capacity metrics. http://responsivesystems.com/papers/metrics/metrics.htm

Watson & Walker, Inc.: Why Your CPU Capacity May Not Match Your Vendor's Estimate Cheryl Watson discusses MVS and OS/390 capacity related issues. http://www.watsonwalker.com/lspr.html

Clairvoyant Software - Capacity Planning Solutions Network service demand forecasting software. http://www.clairvoyant.com

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

Red Hill Networks' WebSpray This tool allows you to stress test your web server through a LAN or modem connection. It will generate reports for errors and performance. http://www.redhillnetworks.com/products/webspray.htm

RRD TOOL A useful open source tool for storage and retrieval of time series data. http://ee-staff.ethz.ch/~oetiker/webtools/rrdtool/

Characterizing Web Response Time Master's thesis by Binzhang Liu http://scholar.lib.vt.edu/theses/available/etd-4798-11230/

Capacity Planning White paper on the role of capacity planning in e-commerce, how to approach it, and how to maintain it. http://www.microsoft.com/technet/ecommerce/capplan.asp

Reg Day's Capacity Planning site Cover mainframe capacity planning and various PC related subjects. http://dspace.dial.pipex.com/regday/

PerfCap UK Offers web-based cross-platform performance analysis and capacity planning tool. Also provides consulting services. http://www.perfcap.co.uk

PerfCap Corporation PerfCap Corporation provides Performance Management and Capacity Planning Products and Services. http://www.perfcap.com

Transaction Design Inc. 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. http://www.banbottlenecks.com/

Performance and Capacity Solutions Consultancy focused on capacity planning. latforms and sub-systems. Offerings include performance process reviews, managed capacity planning services, server consolidation, charge back and Storage Area network Capacity Management. http://www.itpcsl.com

Capacitas Capacity planning and services, including consultancy and training, focused on networks. Whitepapers also available. http://www.capacitas.co.uk

VIEO, Inc. Their Adaptive Application Infrastructure Management product helps IT to manage on-demand computing in the data center. http://www.vieo.com