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network congestion (1 results)
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ZDNet Dictionary Definition
- Congestion
- The condition of a network when there is not enough bandwidth to support the current traffic load.
- Full Congestion Definition >>
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- IBM: give us one great idea
- IBM is partnering with some other folks to find the best new idea for improving the world's rail transit. The congestion problem is only getting worse as urban populations grow: In 1950 there were 8 global mega-cities those with populations of five million or more. In 2001, that...
- Blog posts 2009-08-09
- Bolster Network Security With VPN Load Balancing and Redundancy
- Today's Wide Area Networks WANs are experiencing increased saturation with the deployment of bandwidth-intensive applications, increased numbers of users, and the need for reliable security transmissions. IT personnel responsible for these issues acknowledge the increased congestion and have strived to maintain high levels of network performance. At the same time,...
- White papers 2009-02-10
- Simplifying Virtualization Through Adaptive Networking Technology
- As IT organizations increasingly deploy virtual servers and storage to consolidate resources and improve utilization, they must be able to dynamically provision applications on virtual servers and move them non-disruptively as workloads change. However, this increased mobility of application workloads can sometimes create unpredictable congestion in the networks connecting server-to-storage...
- White papers 2008-01-01
- Austin_Traffic_Cams 1.2 (Windows)
- Austin_Traffic_Cams allows users to see traffic congestion of several highways and major streets in Austin, TX. This version is the first release on CNET Download.com.
- Software downloads 2007-06-01
- An Adaptive End-to-End Loss Differentiation Scheme for TCP Over Wired/Wireless Networks
- This paper proposes a robust end-to-end loss differentiation scheme to identify the packet losses due to congestion for TCP connections over wired/wireless networks. The paper uses the measured RTT values in determining whether the cause of packet loss is due to congestion over wired path or regular bit errors over...
- White papers 2007-03-01
- Modeling Scalable TCP Friendliness to NewReno TCP
- Scalable TCP is a simple change to the traditional TCP congestion control algorithm which dramatically improves TCP performance in high speed wide area networks. The focus of this contribution is to model the performance of Scalable TCP algorithm sharing bottleneck link with a NewReno TCP. The analysis is performed during...
- White papers 2007-03-01
- "De-Randomizing" Congestion Losses to Improve TCP Performance Over Wired-Wireless Networks
- Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. With Internet becoming more heterogeneous with more and more wireless error-prone links, a TCP connection may unduly throttle its sending rate and experience poor performance over paths experiencing random losses unrelated...
- White papers 2007-01-01
- De-Randomizing Congestion Losses to Improve TCP Performance Over Wired-Wireless Network
- Currently, a TCP sender considers all losses as congestion signals and reacts to them by throttling its sending rate. With Internet becoming more heterogeneous with more and more wireless error-prone links, a TCP connection may unduly throttle its sending rate and experience poor performance over paths experiencing random losses unrelated...
- White papers 2007-01-01
- A New TCP Congestion Control With Empty Queues and Scalable Stability
- This paper describes a new congestion avoidance system designed to maintain dynamic stability on networks of arbitrary delay, capacity, and topology. This is motivated by recent work showing the limited stability margins of TCP Reno/RED as delay or network capacity scale up. Based on earlier work establishing mathematical requirements for...
- White papers 2007-01-01
- Using Steady-State TCP Behavior for Proactive Queue Management
- This paper describes and evaluates the use of steady-state TCP behavior knowledge for Proactive Queue Management PQM. It shows how routers can use flow parameters and the knowledge of TCP end-host behavior to intelligently mark packets to prevent queue build-up, and thus prevent congestion from ever occurring, while at the...
- White papers 2007-01-01
- Analysis of TCP-AQM Interaction Via Periodic Optimization and Linear Programming: The Case of Sigmoidal Utility Function
- This paper investigates the interaction between Transmission Control Protocol TCP and an Active Queue Management AQM router, that are designed to control congestion in the Internet. TCP controls the sending rate with which the data is injected into the network and AQM generates control signals based on the congestion level....
- White papers 2007-01-01
- Explicit Congestion Notification (ECN) for TCP/IP
- When routers become congested to the point in which their incoming packet buffers fill and they begin dropping packets, the effect on the network is reduced bandwidth, an impact on loss or time-sensitive traffic flows, and possibly link idle time after the congestion occurs. Explicit Congestion Notification ECN for TCP/IP...
- White papers 2006-10-02
- Congestion-Distortion Optimized Peer-to-Peer Video Streaming
- In live peer-to-peer streaming, a video stream is transmitted to a large population of viewers, through the use of the uplink bandwidth of participating peers. This approach overcomes the cost of large-scale deployment of such services. An essential problem of this type of system is to limit the incurred congestion....
- White papers 2006-05-26
- Recognizing and Resolving Congestion on the Network
- For eight years, Layton Construction had experienced problems with congestion on its network. The company has two T1 lines dedicated to Internet connectivity. Lately, the problem had become severe to the point that the IT staff was fired and was brought on as IT Director to find and resolve the...
- Case studies
Additional Resources
- Will a flu pandemic really bring down the Internet?
- Is the last bulleted list a joke??That last bulleted list is a joke. It worships a model, and is not the best tool for the job.Keep in mind through all this:-The problem is going to be network congestion. Therefore steps should be taken to [b]REDUCE[/b] network usage."Monitor your VPNs. Make...
- Discussion threads 2009-10-27
- Will a flu pandemic really bring down the Internet?
- The General Accountability Office has rapped the Department of Homeland Security for failure to plan for Internet congestion in the event of a severe pandemic that could overwhelm networks. The worry: Will the Internet hold up if everyone has to work from home under quarantine? by Larry Dignan
- Blog posts 2009-10-27
- A Net Neutrality Solution: Opinions Wanted
- I’ve been thinking about Net Neutrality for some time and wanted to get your thoughts and feedback on a solution that seems, well, so simple and obvious that I can't believe nobody has proposed it. A bit of background before you dive-in. Before analyzing and tracking...
- Blog posts 2009-10-26
- KFC UNThinking at the UN
- Honestly, the professional PR brigade never cease to amaze me with some of the nuttiest ideas for brand enhancement that all too often turn out to be just the opposite. My ZDNet colleague Jason Perlow was spammed today by a top PR agency with...
- Blog posts 2009-10-22
- Can a car be fuel efficient and fun?
- Oh, ZDNet is a car site now?Harry, write something about IT.RE: Can a car be fuel efficient and fun?Yes, get a 1998 Maxima GLE and 37 mpg on trips at 70 mph.RE: Can a car be fuel efficient and fun?There was a typo in my earlier message. Yes, get...
- Discussion threads 2009-10-21
- 2010 BMW 650i Convertible
- Every year we look forward to an updated BMW 6-series, and every year BMW tweaks a few things, but neglects the exterior design. We reviewed a 2009 BMW 650i Convertible earlier this year, and found the 2010 model to be much the same car. The new BMW 650i Convertible uses...
- Product reviews 2009-10-09
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