Thursday, October 28, 2021

Table of Contents

Executive Summary

Study Results

Background on Availability

What Was Measured

Who Was Surveyed

Importance of Reliability

The Value of an Hour

Availability Findings

Value of Availability


Quantifying the Value of Availability

A Detailed Comparison of Four Different RISC-Based Cluster Solutions Designed to Provide High Availability. (June 2000)

The installed base of server clusters has been growing at a rapid pace for several years. One reason for their popularity is that clusters offer companies the availability needed to run mission-critical applications. With the rapid growth of e-business and e-commerce applications, the need for companies to ensure that their primary applications are up and running 24 hours a day, every day, has taken on a new level of importance. Downtime costs for firms surveyed in this study ranged from a few thousand to over one million dollars per hour. This white paper provides a robust analysis comparing the actual availability companies have achieved with four different brands of high-end RISC-based clusters: Compaq, Hewlett-Packard, IBM, and Sun Microsystems.

TechWise Research interviewed 93 IT professionals in the United States to collect downtime data. We asked respondents to provide us with both the number of hours, as well as costs, for various downtime events experienced over a twelve-month period. To analyze availability for the four brands in this study, TechWise Research then developed a measurement called the Availability AdvantageTM. This measure quantifies the difference in downtime costs, at various hourly rates, for each brand.

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