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Network Automation: Leaky Abstractions

I hear people talk about leaky abstractions all the time. I’m not sure that some of the people that use it have researched the term. As network-automation blurs the line between software and...

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Cloud Native: Upgrading a Workflow Engine or Orchestrator

On a train this morning, I read Ivan Pepelnjak’s Twitter stream (because what else is there to do whilst relaxing with a coffee?), I came across this blog post on upgrading virtual-appliances. Couldn’t...

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Network Automation Engineer Persona: Targeted Learning

The series of Network Automation Engineer (NAE) Persona blog posts have churned some comments in the community around learning. Part of the feedback appears to be the hero syndrome fighting back and...

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A Christmas Support Story

Warning: Non-Technical Post As it’s the festive period and this time of the year is for caring and sharing, here’s a short story from many years ago. This might make some chuckle, but some of these...

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Describing Network Automation: Automate the Coffee

How to Describe Automation Cisco Live, Milan, 2014, the place where everyone drinks a caffé! It was this year that Cisco’s DevNet began to grow and my passion for software, automation and networking...

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Automation for Reliability

Statistics says, the more often you do something, the higher the chances of a negative event occurring when you do it. Applying this revelation, if you fly regularly, the chances increase of a delayed...

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YANG, OpenAPI, Swagger and Code Generation

Sometimes during exploration or projects, I want to take a YANG model and convert it along with related dependencies to a Swagger format (think OpenAPI if you’re not familiar with this) so I can create...

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To Code Or Not To Code: Expression & Symbiosis

There is still an ongoing debate over the need for network engineers to pick up some software skills. Everything network engineers touch in more recent times has some programmatic means of control and...

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Formalisation of Automation: WIP

For the last five or six years, I’ve not really done any networking and have focussed on software, automation and the mechanisation of processes so that they may be manifested as network driving...

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Opinionated Automation: Packaged, Extensible & Closed Systems

Network engineers for the last twenty years have created networks from composable logical constructs, which result in a network of some structure. We call these constructs “OSPF” and “MPLS”, but they...

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