Resource Library

AMC’s television series “Halt and Catch Fire” shows North Texas’ rise as the “Silicon Prairie.” In the 1980s and early 1990s, it’s where IBM PC cloning was explored and where first-person shooter games were created. It’s also the site of the first “logic bomb”—the source of my horror story.

Project Scope Management sets the foundation for the creation, development and successful delivery of a project. Learn about the project management process here.

Previously I discussed service providers and their risks in the example of my involvement with a landscaping company. ITIL clearly states that services, “…deliver value to customers by facilitating outcomes customers want to achieve…” However, sometimes organizations and people focus on outputs as opposed to outcomes, which sacrifices some of the value of the service. This leads to a question, what is the difference between an outcome and an output?

Multicast Sparse Mode and its derivatives are supported in the Nexus OS. This white paper explains how it has been implemented in the Nexus platform to provide optimum performance in both virtual PortChannel and FabricPath environments.

While there are differences between the IP Multicast configuration in the IOS and the Nexus OS, the Protocol Independent Multicast (PIM) protocol remains fundamentally the same. If you feel comfortable configuring Multicast in the IOS, you should be able to acclimate fairly easily to the changes in the Nexus OS.

While cybersecurity remains the most popular certification category in our IT Skills and Salary Report, foundational-level certifications highlight our list of the most popular IT certifications of 2020. 

According to the Global Knowledge IT Skills and Salary Report, women make up 16% of the tech workforce, and an even smaller percentage (8%) are at the senior or executive level. Here’s an overview of the most popular and most pursued certifications by women in tech.

Co-authors Michael Scarborough and Ryan Ballmer discuss some key differences in the new Global Knowledge ITIL courseware.

Regardless of your vendor preference or your experience on the Juniper JUNOS CLI, assuming you have a point of reference to another vendor, your first thought when experiencing JUNOS is, “I have been here before.” The CLI is familiar, convenient, and polished. The similarities between JUNOS CLI and another CLI such as Cisco’s IOS are not what I want to focus on here however; it is their differences I want to focus on. But first, when you connect to a JUNOS powered device and access Operational Mode (see Brad Wilson’s blog post Introduction to Juniper Junos), it looks very much like the User EXEC Mode in IOS. In fact, there are a lot of JUNOS commands that are very much like the IOS User EXEC Mode commands.

You may have heard about IT service management and ITIL being yesterday’s news, but the survey suggests you need to re-evaluate those rumors. The enduring value of ITSM credentials and practices have been championed by Gene Kim, one of the Godfathers of the DevOps world, who has said, “It is my firm belief that ITSM and the DevOps movement are not at odds. Quite to the contrary, they’re a perfect cultural match.”