Network Performance Management

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  • Duplex mismatch

    What is duplex, and what is the difference between half and full duplex? What is a duplex mismatch? How can autonegotiation help or hurt your network? How can you resolve duplex conflicts? In this tip, David Davis helps networking engineers and newco...  Tip

  • Duplex mismatch: Stop the conflicts, part 2

    Today, the majority of modern cabling supports full-duplex, and there is a significantly diminished need for half-duplex -- or at least, that is what one would like to think. In this column, Loki Jorgenson examines extenuating circumstances where hal...  Tip

  • Network engineering overview: Techniques for making changes

    Network engineers are often faced with the task of making changes to the network with minimal downtime. Whether you are upgrading an Ethernet switch or adding a whole new building to your network, this tip surveys some of the decisions you need to ma...  Tip

  • Planning Network Load Balancing clusters

    Servers that use Windows Network Load Balancing can benefit from optimization. Servers should be optimized for their role, the types of applications they will run, and the anticipated local storage they will use.  Tip

  • NetDirector, an introduction: Free, simple server management

    NetDirector provides a free, customizable, easy way for network and systems administrators to configure network services and manage groups of Linux, Solaris, or BSD servers. The open source tool is also part of a movement towards greater interoperabi...  Tip

  • Duplex mismatch: Why duplex conflicts plague the network, part 1

    Duplex mismatch problems -- caused by two ends of the Ethernet attempting a full-duplex connection, resulting in packet loss -- simply will not go away. After a decade of plaguing IP networks, duplex conflicts still seem to be the single worst source...  Tip

  • Understanding bottlenecks and bandwidth utilization

    Mysterious slowdowns, dropped connections and other anomalies have network managers frustrated. Take the mystery out of your performance issues with this insightful series by networking expert Carrie Higbie.  Tip

  • Bandwidth is a misnomer

    SearchNetworking.com expert Loki Jorgenson narrows in on defining bandwidth and reveals what you need to know in order to measure it properly.  Tip

  • A script for troubleshooting "my network connection is slow" reports

    A user-submitted script for troubleshooting "my network connection is slow" reports.  Tip

  • Making networks intelligent: The good, the bad and the symptomatic

    It is clear that autonomics and self-healing will require specific details of the network, not symptomatic generalities, for any remedial or provisioning action to be reliably executed. Meanwhile, we wait and rely on a dwindling supply of smart, high...  Tip

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