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HP Integrity NonStop systems lead the pack with 99.999% system availability, according to the latest numbers from Standish Group comparing system availability as experienced in live production sites. The following chart compares real-world system availability and downtime per year for a variety of enterprise computing environments. The data is based on the Standish VirtualADVISOR database, maintained by Standish Group, as of September 2006.

Average system availabilty Average downtime per year
Microsoft® Windows®
98.979%
89.44 hours
WindowsCluster
98.732%
111.08 hours
Linux
99.348%
57.12 hrs
LinuxCluster
99.202%
69.90 hours
UNIX®
99.692%
26.98 hours
UNIXCluster
99.772%
19.97 hours
Mainframe
99.962%
3.33 hours
MFCluster (Parallel Sysplex)
99.983%
1.49 hours
HP Integrity NonStop
99.999%
0.08 hours

What do the numbers really mean?

The difference in average downtime per year between NonStop and Windows systems is broad: 89.36 hours. Even for mainframe systems, the difference is 3.25 hours.

That might not sound like much, but translated into dollars and cents, it could mean the difference between a healthy business and disaster. “A five-minute downtime could put a lot of companies out of business. Once you lose a customer, it probably takes four times as much time and resources to recover that business,” says John Sandridge, vice president of operations at Genpass, a NonStop customer running ATM processing for more than 30,000 ATMs nationwide. Infonetics Research concurs, saying that IT downtime is costing large U.S. enterprises an average of 3.6% of their revenues per year (Infonetics Research, The Costs of Enterprise Downtime: North American Vertical Markets 2005).

Higher stakes for financial organizations

For financial services organizations, the stakes are higher and so are the potential losses. In the same report, Infonetics Research goes on to say that financial services businesses are losing an average of 16% of their revenue due to downtime.

Find out more

To find out more about how Integrity NonStop systems can protect your business and your revenue, contact your HP sales representative or visit our website. Other industry analyst reports about the total cost of ownership of Integrity NonStop systems are also available.

This news is published on NonStop Computing websites. October 2006.

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