Applied Infrastructure

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• 95th Percentile Calculation

  I originally wrote about the 95th Percentile calculation several years ago as a Tech Tip for the Netcordia web site. It is time to talk about 95th percentile here, where it can continue to be a resource for network administrators. I'm taking this... Posted Feb 02 2011, 04:35 PM by tslattery with | with no comments Filed under: interface performance, performance management, 95th percentile

• Critical Network Issues

  When using NetMRI in consulting engagements, we are often asked which of the NetMRI issues are the most important to track. That's a relatively easy question to answer and really doesn't depend on whether a NetMRI is in use or not. Regardless... Posted Jan 10 2011, 12:27 PM by tslattery with | with no comments Filed under: link utilization, interface up/down, interface performance, duplex setting, interface down, interface configuration, resilient networks, duplex mismatch

• Handling NMS Performance Data, Part 2

  I described collecting network performance data in last week's blog. This week, I want to describe how to efficiently store the collected data. I have heard the stories about vendors who used a relational DB to store interface performance data and... Posted Oct 12 2009, 10:52 AM by tslattery with | with 2 comment(s) Filed under: Featured, interface performance, data collection, NMS performance

• Handling NMS Performance Data, Part 1

  Comprehensive network management systems have a very difficult job. They have to collect vast amounts of data from network interfaces and efficiently store it for rapid access. The job is actually a combination of three tasks: 1) Gather the data 2) Store... Posted Oct 03 2009, 04:28 PM by tslattery with | with no comments Filed under: NetMRI, NMS, Featured, interface performance