Having a secondary peripheral, computer system or network device that takes over when the primary unit fails. See fault tolerant, mirroring, RAID, hot standby and backup types.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Software debugging costs rise; SOA blamed
- Software debugging costs rise; SOA blamedWho is really to blame?SOA makes things easier for the end user, but harder for IT. But is it really SOA that should take the blame or are IT shops just really bad at "real" software engineering? I vote for the later. ...
- Discussion threads 2008-07-18
- New hybrid delivery security architecture
- Secure Computing's Ken Rutsky tells how to integrate Software-as-a-Service SaaS, virtualization and appliance security offerings to let users get exactly what they want. “In the past, CIOs deployed their own self-contained application architectures on their own servers and storage systems. This old model is giving way to a hybrid...
- News items 2008-07-16
- Vox BlackBox (1TB)
- The Vox BlackBox offers 1TB of storage and can be found online from roughly $310 to $340. Aside from its low cost per gigabyte, there's unfortunately little to recommend about this dual-drive Network Attached Storage NAS device. From the desktop application to the Web-based interface, the device is consistently confusing....
- Product reviews 2008-07-11
- Most employees are frustrated with IT
- Most employees are frustrated with ITIT NazisLike the feeling of unlimited power that comes from having the workers bow and scrape. That's the real problem.RE: Most employees are frustrated with ITNOTE: I think the system ate my first attempt at a reply, if not apologies for the duplication...Although I'm...
- Discussion threads 2008-07-11
- Costing Sun Ray vs Wintel
- Costing Sun Ray vs WintelSo, you like Sun Ray, Yes? KiddingSeriously, interesting article--Sun Ray is looking better and better!There are so many good reasons to consider using Thin Client. Sun Ray just reinforces that.A few questionsWhy did you so much oversize the client. why use E7200 core duo ? why...
- Discussion threads 2008-07-02
- VMware: The Hyper-V assault is underway, but the war is a long one
- VMware: The Hyper-V assault is underway, but the war is a long oneA few points..."...as well as a price point that is absolutely unbeatable — free with the Windows Server 2008 OS..."I expect Neely Kroes will have something to say about this."VMware is great, but you need Microsoft to make...
- Discussion threads 2008-07-01
- Why computers fail
- Why computers failA good UPS...will decrease failure rates tremendously. I use Belkin AVR UPS's and the only systems I've had go down in the last year were ones installed by my predecessor without UPS's. There is no doubt in my mind that bad power is a PC's worst enemy....
- Discussion threads 2008-07-01
- Want cash? Buy SaaS
- Want cash? Buy SaaSSAAS = AEIOBAll Eggs In One BasketWho'll get blamed when disaster happens?DIY is worseIf you ask me, self-hosting = All Eggs In One Basket, with the extra disadvantage that you have to carry the basket yourself.The advantage of SaaS is that you're paying someone who employs teams...
- Discussion threads 2008-06-10
- Anyone ripped their entire DVD collection?
- Anyone ripped their entire DVD collection?dvd collectioni have also been thinking about doing this, i have found that depending on how you are planning to stream the media you have to format it different ways. if you are using a windows media extender (xbox360) the vob files have to be...
- Discussion threads 2008-05-19
- Synology Disk Station DS-107+
- Up to this point, our network attached storage reviews have focused on consumer-level products that act as simple backup or media-sharing solutions for home users. NAS is but one of the many features found on the Synology Disk Station DS107+, a sophisticated device that holds appeal for home users and...
- Product reviews 2008-05-08
- HP Officejet J6480
- The Officejet J6480 is Hewlett-Packard's newest all-in-one printer with a host of features designed to appeal to small-to-midsize businesses that want a low-cost, feature-rich device capable of handling projects across the board. This $200 multifunction printer certainly delivers everything you want in an AIO: Autoduplexing, photo finishing, one-touch faxing, a...
- Product reviews 2008-05-08
- In the beginning (and the end) there was the mainframe
- In the beginning and the end there was the mainframeYes, long live the mainframe. The difference now is that we will have muchricher applications with full graphic interfaces instead of text. We will also have application and application data caching to smooth the problems of having a flaky connection of...
- Discussion threads 2008-05-01
- IP Multicast Best Practices for Enterprise Customers
- With the growing popularity of IP Multicast applications, Enterprise customers are considering deploying or have already deployed IP Multicast in their networks. This paper describes the generally accepted best common practices for IP Multicast in Enterprise customer networks. It describes ways to optimize multicast delivery according to basic design principals...
- White papers 2008-05-01
- RPG, PHP, and history
- While thinking through some of the comments recorded here as part of our discussion of development languages and environments I finally figured out what PHP reminds me of: RPG. RPG [Report generator] started out in the IBM 360 world as a report formatting aid, but never really...
- Blog posts 2008-04-28
- Google names new CIO
- Google has named Benjamin Fried chief information officer. Fried, had been a managing director at Morgan Stanley's Application Infrastructure group. News.com's Stephen Shankland reports that Fried will take over in May. Fried replaces Douglas Merrill, who left earlier this month to go to EMI. ...
- Blog posts 2008-04-24
- Twitter turmoil: when does it end?
- The news that Twitter's lead architect Blaine Cook and Lee Mighdoll, VP engineering have left should be no surprise. Let's be blunt. Despite the neutral language used in various posts, they were fired. One has to wonder whether Jack Dorsey is next, especially as he doesn't seem to understand the...
- Blog posts 2008-04-24
- IBM launches iDataPlex server; Eyes Web 2.0 customers
- IBM launches iDataPlex server; Eyes Web 2.0 customersHeavy Computer - Heavy PictureThe image of the computer in this article is huge - 1375.77 KB. Someone's uploader is not doing a very good job. Regardless doing it without AC should be the mantra. Keep it up IBM.Air ConditioningThis system is NOT...
- Discussion threads 2008-04-24
- Engineering Firm Leads the Way in Egypt With Messaging Infrastructure Upgrade
- Dar Al-Handasah, an engineering and architecture consultancy based in Egypt, wanted to improve its communication and collaboration system to match growth in the business. Its engineers and architectures depend heavily on e-mail messaging in their daily work with computer-aided design documents, project information, drafting, and calculations. The firm upgraded its...
- Case studies 2008-04-21
- Questioning IT
- Questioning IT This is the 14th excerpt from the first book in the Defen series: The Board Member's IT Brief. This section is concerned with things you should talk to your CIO about - informally, but with attention. Topic one: disaster avoidance Basically...
- Blog posts 2008-04-18
- Amazon's cloud computing will surpass its retailing business
- Amazon's cloud computing will surpass its retailing businessIs that impressive "reliability"?"Amazon is offering 99.9 percent reliability." That could be an 8+ hour outage every year, assuming zero maintenance downtime. And, what does a customer get if Amazon fails that standard? A pro-rata refund? OTOH, 99.9% means...
- Discussion threads 2008-04-14
Neighboring Terms
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
- Learn how collaboration fuels success with this FREE Economist report
-
According to a new study from the Economist, future success belongs to those who collaborate effectively. Learn how successful collaboration can improve profits, problem-solving, and competitive differentiation.
- Visit Cisco's Collaboration Resource Center today!
- BNET Industries
- Check out BNET's newest resource for managers and executives. Need to do research on your competitors? Don't have time to read every trade pub? BNET Industries is the new source for daily news, insights, and research on 11 major industries and 9,000 public companies.
-
- The technology industry from a different angle
-
- See what's hot in the auto industry
-
- Stay on top of the energy industry
