Network Performance Management

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  • Network intelligence for dumb applications, Part 1

    This article will help you grasp the concept of network intelligence and understand how 'awareness' reflects a critical step forward in network infrastructures. Loki Jorgenson describes two views on awareness that are important: Network awareness and...  Tip

  • Merging application management with network management

    This tip considers what is needed when merging applications management with the management of your network.  Tip

  • MOS: A love-hate relationship

    Defining an appropriate performance metric for a particular class of application is not simple but it is very important. Discover why we have a love-hate relationship with MOS.  Tip

  • Invisible traffic that steals bandwidth

    If you network is busy though you know it is empty you may be experiencing "phantom traffic." Here Loki Jorgeson takes the mystery out of of the sources of traffic-like behavior.  Tip

  • Network intelligence for dumb applications, Part 2

    Part two of this two-part series introduced us to the concept of "network awareness" and "application awareness." In this column, Loki examines the indications of a trend towards a unified "intelligent" network. He illustrates some outward signs and ...  Tip

  • Troubleshooting WLAN connectivity on the network

    This tip looks at potentially troublesome areas an admin will want to consider when troubleshooting WLAN connectivity on the network: the access point (AP), the LAN, the authentication server and routing aspects.  Tip

  • Tuning your network cyborg

    IT managers should think carefully about how the human components of the system align with the hardware and software.  Tip

  • Configuring and troubleshooting wireless LAN clients

    An understanding of wireless LAN (WLAN) client and WLAN access point communication mechanisms is critical to anyone attempting to initially connect or troubleshoot a WLAN connection. In this tip, Robbie Harrell discusses some of the issues that can b...  Tip

  • Securing your Layer 2 network: Don't overlook the basics

    Before dropping substantial cash on a fancy surveillance system, most sensible home owners would ensure that their doors and windows were locked. Similarly, there are simple security measures you can take to configure your systems for Layer 2 securit...  Tip

  • What to do when Performance Monitor yields unexpected results

    When the Performance Monitor built into Windows behaves in an unexpected manner, admins may have to look closely to find a logical explanation to the problem.  Tip

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