Cisco ACI, VMware NSX and Programmability

One of my readers sent me a lengthy email describing his NSX-versus-ACI views. He started with [slightly reworded]:

What I want to do is to create customer templates to speed up deployment of application environments, as it takes too long at the moment to set up a new application environment.

That’s what we all want. How you get there is the interesting part.

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Is Anyone Using Open Daylight?

A while ago I sent out an email to my SDN and network automation mailing list (join here) asking whether anyone uses Open Daylight in anything close to a production environment (because I haven’t ever seen one).

Among many responses saying “not here” I got a polite email from VP of Marketing working for a company that sells OpenDaylight-related services listing tons of customer deployments (no surprise there).

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Start Using OpenConfig with NAPALM on Software Gone Wild

OpenConfig sounds like a great idea, but unfortunately only a few vendors support it, and it doesn’t run on all their platforms, and you need the latest-and-greatest software release. Not exactly a set of conditions that would encourage widespread adoption.

Things might change with the OpenConfig data models supported in NAPALM. Imagine you could parse router configurations or show printouts into OpenConfig data structures, or use OpenConfig to configure Cisco IOS routers running a decade old software.

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Use Your Networking Knowledge to Design Automation Solution

I’m getting plenty of emails from not-so-very-young networking engineers trying to make career transitions. I got this one from a CCIE in his mid-40s:

Would you think the SDN and Data Center paths would be suitable for a long standing engineer?

Absolutely. It's just networking, although it's sometimes disguised a bit.

This article was initially sent to my Network Automation mailing list.

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Webinars in This Week

The spring craziness is still in full swing – we’ll have three webinars this week (a first) and I was so busy I didn’t even have time to write about them. Let’s fix that.

Data Center Updates on Monday is the second part of server virtualization, virtual machines and containers update to Data Center 3.0 webinar. We covered virtual machines in the last session (April 25th), this time we’ll talk about containers.

David Barroso (now at Fastly) will talk about NAPALM in Ansible on Tuesday.

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Let's build a small network automation solution!

Do you have the feeling that you should know more about network automation, but don't know where to start? I was facing that same problem in 2015, and then started exploring Ansible (plus YAML, Jinja2, Git, Puppet…), creating small playbooks, and finally came to a point where I said "now I know that you can have a small solution solving an actual problem ready in a few weeks even if you know absolutely nothing today".

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