The CCNA has a long history as an important certification for network engineers. While the CCST has been created by Cisco “below” the CCNA, or as a different starting point, many network engineers begin their career with the CCNA. Join Jason Gooley, Wendell Odom, Tom, and Russ as

Is Open Source Software (OSS) a market failure? What does OSS add to the market that cannot be accomplished in other ways? What happened to the F (Free)? Join us for this roundtable episode of the Hedge.

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I've updated the names and links for all the History of Networking episodes--more here:

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Listen in as Geoff Huston, Tom, and Russ discuss how the IETF, governments, and political movements interact when creating standards and guiding the future of the Internet.

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Eric Chou joins Tom Ammon and Russ to talk about the importance of creating content, and the many tools and ideas you can use to get out there and publish. You've heard us talk about this a lot--now it's time to get out there and publish.

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This Friday the 19th of April, Marlon Bailey and I will be teaching a new four-hour class on coding skills for network engineers over on Safari Books Online through Pearson. From the course description:

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Network engineers are increasingly expected to know how to perform basic

Our networks are like these homes—they are not houses so much as historical records of every new idea and vendor marketing drive. There is no architecture, there are many architectures strung together with a set of tightly wound and closely followed processes.
We need to support

A lot of people are spending time thinking about how to make transport and control plane protocols more energy efficient. Is this effort worth it? What amount of power are we really like to save, and what downside potential is there in changing protocols to save energy? George

depends.' Do you really need to spin up capacity more quickly than you can buy hardware and get it running? Do you really need to be able to spin capacity down without leaving any hardware behind? Is cloud really the best use of your team's time and talent?

David Heinemeier

We've been talking about many of the same things in networking since the late 1980s--autonomous, self-driving, autonomic, etc.--and yet ... those things all still seem like some sort of Jetson's cartoon episode. Why aren't we there yet? Are these even the right goals?

Most providers will only accept a /24 or shorter IPv4 route because routers have always had limited amounts of forwarding table space. In fact, many hardware and software IPv4 forwarding implementations are optimized for a /24 or shorter prefix length. Justin Wilson joins

AI assistants can make people more productive, at least in terms of sheer output. Someone using an AI assistant will write more words per minute than someone who is not. Someone using an AI assistant will write more code daily than someone who is not. But is it just more, or is

We hear a lot about BGP security incidents--but what is really going on? How often do these happen, and how much damage do they do? Doug Madory , who monitors these things for Kentik, joins Russ White and Tom Ammon Ammon to talk about BGP security in the wild.

One thing we often hear about automation is that its hard because there are so many different interfaces. On this episode of the Hedge, Daniel Teycheney joins Ethan Banks (Follow on LinkedIn) Banks and Russ White to discuss how they started from a simple idea and ended up building an automation system

Reading people from the past can sometimes show us where today's blind spots are--but sometimes we can just find the blind spots of the people who lived then. In this episode of the Hedge, Tom, Eyvonne, and Russ finish going through a selection of quotes from an engineering book

Network operators increasingly rely on generic hosts, rather than specialized routers (appliances) to forward traffic. Much of the performance on hosts relies on offloading packets switching and processing to specialized hardware on the network interface card. In this episode of

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Network configuration analysis has always been the domain of commercial-grade software. Batfish changes all that with an open source, community-supported tool that can find errors and guarantees the correctness of planned or current network configurations. Ratul Mahajan joins Tom

How many times have you heard you should “shift left” in the last few years? What does “shift left” even mean? Even if it had meaning once, does it still have any meaning today? Should we abandon the concept, or just the term? Listen in as Chris Romeo (Chris Romeo) joins

I’ve been on a bit of a writer’s break after finishing the CCST book, but it’s time to rekindle my “thousand words a day” habit. As always, one part of this is thinking about how I write—is there anything I need to change? Tools, perhaps, or style?

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