Networks

Latest Posts in Networks

Looking Backward to Look Forward

“Whoever wishes to foresee the future must consult the past” -unspecified “wise men” quoted by Niccolò Machiavelli With so many articles out there telling me how SDN will change the…

The Premise of Premises: All Clouds Are Not Created Equal

There’s a common misconception in the IT industry. This misconception stems from the premise that the premises of your infrastructure will either be more expensive or less expensive based on its…

A Look into the Pi-Shaped Expert Model

So you’ve started planning your career using a VCDX skillset. Continuing on that same train of thought, I want to walk you through an additional concept that might help you…

Learning to Pivot

The role of information technology inside of corporations is not new; it has existed for decades. With each passing year we see acceleration in the speed and complexity of changes…

Four Ways Your Network Could Change in Four Years

While network administrators are used to keeping the lights on, the time is approaching for a major change in the way networks look and run. While SDN is still in…

Why You Still Need Network Alerts

Retracing an intractable alert hairball today, I’m reminded of how critical, and often critically broken, alerting actually is in many environments. You can be a department of one with only…

Throttling Network Bandwidth

One of the aspects of monitoring that IT professionals (and monitoring software developers in particular) think about a lot is “throttling.” How do you control the flow of data entering…

DPI Training: The What and Why of Packet Analysis

Is Deep Packet Inspection (DPI) really worth the effort? If you have been troubleshooting networks for any length of time it should be obvious that packet inspection is a technique…

4 Steps to Forecast and Plan Your Network Capacity Needs

“Monitoring” is a deceptively broad category, so it’s not surprising that IT professionals often have differing descriptions. Some believe monitoring is the thing that creates tickets in the helpdesk system.…

Configuring NetFlow v5 and v9 on Cisco Routers

IT pros have access to a range of tools in their monitoring toolbox. There are the humble but readily available command line options like ping, traceroute, and netstat; the versatile SNMP protocol that…

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