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On Network Virtualization and SDN

Scott Lowe

Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.

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Why Kubernetes Is So Popular in the Tech World

Galido

Kubernetes — an orchestration tool like no other in the world! If someone were to ask you to describe this tool in one sentence, the one above would be a good fit. Containers can be orchestrated on multiple hosts, and the tool also enables both vertical and horizontal scaling. Kubernetes Statistics.

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Technology Short Take 143

Scott Lowe

Here’s a quick look at using Envoy as a load balancer in Kubernetes. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. Via Alex Mitelman’s Systems Design Weekly 015 , I was pointed to this AWS article on multi-site active-active architectures.

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Technology Short Take 144

Scott Lowe

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. This is an interesting deep dive into Intel’s “Ice Lake” Xeon SP architecture.

Linux 90
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Technology Short Take 143

Scott Lowe

Here’s a quick look at using Envoy as a load balancer in Kubernetes. Back in April of this year, Patrick Ogenstad announced Netrasp , a Go package for writing network automation tooling in Go. Via Alex Mitelman’s Systems Design Weekly 015 , I was pointed to this AWS article on multi-site active-active architectures.

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Vendor-Side DevOps Practices Can Still Deliver Better Value While Client-Side Government Processes Catch Up

CTOvision

I bring up the cultural aspect because, after all, it takes groups of humans buying into better practices before new tools and process can take root — and there are significant challenges in government channels to adopting these. I heard a lot of questions targeted to this exact area at a recent event I attended in Washington, D.C.,

Devops 150
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Technology Short Take 144

Scott Lowe

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. jq is probably one of my favorite CLI tools. Virtualization.

Linux 60