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overhead cost (2 results)
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ZDNet Dictionary Definition
- Overhead
- (1) The amount of processing time used by system software, such as the operating system, TP monitor or database manager.
- Full Overhead Definition >>
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- The Hidden Cost of Overhead in MIMO Wireless LANs
- Multiple Input Multiple Output MIMO communication, enabled by the presence of multiple transmit and receive antennas in the communication link, is a physical layer technology that can improve throughput in WLANs. The cost of MIMO in terms of additional overhead, unfortunately, is often overlooked. Using representative physical and MAC models,...
- White papers 2007-05-07
- Low Overhead and Scalable Proxied Adaptive Gateway Discovery for Mobile Ad Hoc Networks
- In the last years, many authors have addressed the problem of interconnecting Mobile Ad Hoc Networks MANET to the Internet, via one or more attachment points called gateways. The protocol employed to discover available gateways and set up routes to the Internet should not incur in a big overhead, due...
- White papers 2006-08-03
- Performance Analysis of System Overheads in TCP/IP Workloads
- Current high-performance computer systems are unable to saturate the latest available high-bandwidth networks such as 10 Gigabit Ethernet. A key obstacle in achieving 10 gigabits per second is the high overhead of communication between the CPU and network interface controller NIC, which typically resides on a standard I/O bus with...
- White papers 2005-09-01
- Split-Channel Pipelined Packet Scheduling for Wireless Networks
- To reduce Medium Access Control MAC overhead and improve channel utilization, there has been extensive research on dynamically adjusting the channel access behavior of a contending station based on channel feedback information. This paper explores an alternative approach, named pipelined packet scheduling, to reduce the MAC overhead. MAC overheads can...
- White papers
Additional Resources
- Reduce cost and administration overhead with Windows Server 2008 Hyper-V
- Organizations are embracing server virtualization as a means of saving money and simplifying management of their network server environment. This sample chapter from Windows Server 2008 Hyper-V Unleashed offers a detailed introduction to the capabilities of Hyper-V technology and best practices for getting the most out of it. ...
- Book chapters 2008-09-04
- Five reasons Chrome will take over the world
- Five reasons Chrome will take over the worldFive reasons Chrome will take over the worldYou know what ZDNet needs? More articles about Chrome! 12 over the last 24 hours just isn't enough so why not add to that number.Chrome isn't taking over anything because its terribly broken. It doesn't render...
- Discussion threads 2008-09-03
- Code is law
- Code is lawCopyrighted state codes?Any chance you could provide a list of states that do that? This is definitely something voters should know.RE: Code is lawReceived this from Carl and I tried to edit the post to get it right:***Usually, the states don't claim copyright but the people who...
- Discussion threads 2008-09-02
- Data center energy use
- Data center energy useHmmmm....1. It's still a positive contribution, even if it is a small one. 2. And I think real enterprises are seriously eying desktops a real money sinks when it comes to power.3. The same argument could be applied to oil. We shouldn't...
- Discussion threads 2008-09-02
- 2009 Mercedes-Benz SL550
- Photo gallery:2009 Mercedes-Benz SL550Maybe we've been driving too many very nice cars lately, but the 2009 Mercedes-Benz SL550 didn't excite us much when it arrived in the garage. It's hard to follow acts like the Maserati GranTurismo and the BMW M6, and we tend to like shorter, more nimble sports...
- Product reviews 2008-08-29
- Comcast takes broadband cap plunge; Other carriers likely to follow
- Comcast takes broadband cap plunge; Other carriers likely to followHmm, I wonder how long it will take the torrent abusers...... to reach that cap and get kicked? Not talking about the ones who get movies and software and games all illegally but the ones who serve this stuff up?...
- Discussion threads 2008-08-28
- Microsoft, eat your own dog food
- Microsoft, eat your own dog foodReally?"Using hidden aspects of Windows to advantage Microsoft's own applications has been disallowed and behavioral remedies including disclosure demanded."I can't find these in the DOJ settlement, please help: http://www.usdoj.gov/atr/cases/f9400/9495.htmWe can of course look to the EU which did demand documentation of a small subset of...
- Discussion threads 2008-08-26
- Floodless in SEATTLE: A Scalable Ethernet Architecture for Large Enterprises
- IP networks require massive effort to configure and manage. Ethernet is vastly simpler to manage, but does not scale beyond small local area networks. This paper describes an alternative network architecture called SEATTLE that achieves the best of both worlds: The scalability of IP combined with the simplicity of Ethernet....
- White papers 2008-08-22
- SaaS mashups shape up
- SaaS mashups shape upI see little added valueCombining PayPal and Amazon.com on a Salesforce platform does what for me again?If I am an Amazon.com customer I can click on the shopping cart and use my account information to make my purchases. So having a PayPal link is of limited value...
- Discussion threads 2008-08-20
- Is the enterprise ready for cloud computing?
- Guest post: This is a post by Barry X Lynn, CEO of 3Tera, in response to a discussion about whether cloud computing is industrial strength. Lynn can be found on the 3Tera blog. There have been multiple white papers and articles written on the topic -...
- Blog posts 2008-08-19
- Cloud Computing With Amazon Web Services, Part 2: Storage in the Cloud With Amazon Simple Storage Service (S3)
- In this paper, learn more about Amazon Simple Storage Service (S3). S3 is a highly scalable and fast Internet data-storage system that makes it simple to store and retrieve any amount of data, at any time, from anywhere in the world. One pays for the storage and bandwidth based on...
- White papers 2008-08-19
- IBM: The mainframe is back
- IBM: The mainframe is backMainframe decision makers...As long as IT departments are headed by baby boomers who are in bed with IBM, the z series will continue to exist and propogate. There are a number of old systems (re: COBOL) that still meet the business needs, and will continue...
- Discussion threads 2008-08-18
- Security vs. convenience: Apple chooses poorly
- Guest post by Oliver Day My PowerBook is in the third year of its life and has begun falling apart on a regular basis. I've had the laptop in for repair at least five times this year alone. Every time I bring my laptop...
- Blog posts 2008-08-18
- Nvidia: We underestimated AMD
- Nvidia: We underestimated AMDWait till they get a dose of IntelI'm thinking Nvidia has underestimated the CPU powerhouses. Applying the CPU frenzy to the graphics side of AMD and Intel's business will prove to be whoop-azz they did not anticipate.The fact that their chips fail and drivers stink will give...
- Discussion threads 2008-08-13
- Do 4 in 5 of us want real health care reform?
- Do 4 in 5 of us want real health care reform?Universal not a good idea . . .Universal health care is not that good of an idea - the taxes can really kill an economy, and there's no guarantee the quality will be any better.We simply need a better idea.Remember...
- Discussion threads 2008-08-08
- VIPRE performance shoot-out - Does it really not slow down your PC?
- VIPRE performance shoot-out - Does it really not slow down your PC?How about the corporate versionI've been using Symantec Anti-Virus corporate for years and subjectively it seems a lot less "in your face" i.e. much less of an impact compared to its consumer cousin Norton Anti-Virus. I actually steer...
- Discussion threads 2008-08-07
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