Running Head: Fault Tolerance
February 22, 2010
University of Phoenix
CIS Risk Management/CMGT/579
Prof. Praful Dixit
Advantages and Disadvantages
` A UPS can be beneficial to a power system because they can provide backup for key equipment such as user machines, and servers until an alternate power source such as a standby generator is switched on. Another advantage of a UPS is their cost. Most of them are very cost efficient. There are a number of disadvantages of using a UPS though. One is that the backup power doesn’t last for a long time. Typically it will be anywhere from five minutes to an hour. If there isn’t an alternate power source other than that, or the main power doesn’t come back on, then the purpose of a UPS is defeated. Anotherdownfall of the UPS is that companies are going to need more than a few, and depending on the size of the company and amount of equipment that is backed up, the costs can add up quickly.`
` Finally, network power monitoring software can help to prevent power issues before they happen or before they become worse. Being able to detect problems before they occur can help companies to better prepare for a problem. Disadvantages of implementing this type of software, is that it usually requires compatible hardware as well. For a company to deploy this type of software, they need to have people who know how to use it. `
Vendors and Costs
UPS can range in price from under a hundred dollars to several hundred thousand dollars. It all depends on the size, and features that come with the UPS. There are many companies who sell UPS such as APC, Cyberpower, Tripp Lite, Leviton, Liebart, and Ultra.
` Energy Star appliances and hardware have a wide range in price, all dependent on what a company is purchasing. Energy Star appliances are produced in abundance by a multitude of companies. Whether itiscomputers,monitors, refrigerators, fans,...