Category Archives: Networking

Explaining Kubernetes Controller Architecture

How does the Kubernetes admission controller work, what are the failure modes and what do we need to guard against?

Today, we discuss almost everything that you need to know to understand the admission controller process better and to think about it in a secure, robust and resilient way.

I can’t think of a better primer on today’s topic and Kubernetes architecture more generally, I am certain you will enjoy the discussion.

Transcript: otter.ai/u/RG9oPvwRtpofwUfg0rXLMKdV50I
Image: www.pexels.com/photo/selective-f…ic-light-1616781/

Rob’s Hot Take:

In the November 15th Cloud 2030 Podcast episode, Rob Hirschfeld delves into the intriguing topic of Kubernetes admission controllers, emphasizing how Kubernetes architecture fosters innovation by allowing admission controllers to function as a generic property, avoiding the need for direct embedding into Kubernetes itself. The discussion explores the open system created by admission controllers, which, while offering valuable capabilities, introduces complexity, overhead, and performance considerations. Kubernetes appears to have successfully balanced these factors, contributing significantly to the industry. For those interested in this fascinating conversation, the entire podcast is available at the2030.cloud, inviting participation in ongoing roundtable discussions.

Learning about eBPF Applications

Special guest Bill Mulligan (twitter.com/breakawaybilly/) talks to us about the use cases for BPF and how it works.

We discuss eBPF, the kernel extensions that allow you to write small programs that work inside of kernel space in a safe sandbox way. These have a lot of applications, and they’ve been creating a lot of hype inside of the Kubernetes community as a way to address networking shortfalls.

Our conversation starts broad, but eventually zeros in on eBPF. I know that you will learn a lot about how eBPF can enhance and improve your infrastructure operations environment.

Transcript: otter.ai/u/VhW6tKfPHD0yky63eDneQ3dIScQ
Image: www.pexels.com/photo/cobblestone…-sandpit-8180645/

Power Distribution And Green Infrastructure

We conceptualize data centers as core infrastructure components in today’s discussion about green infrastructure.

In our discussion about data centers as an industrial load that have peaks and valleys in demand, we dive into the grid as a connected system. We discuss how storage can disrupt the way power is generated and distributed, not only in the United States, but also around the world.

Distribution systems play a huge role in green infrastructure, just like networks. The way we assume that networks are available and robust, we have made the same assumption about power generation in the world to run these data centers.

These topics are all tied together, and you will see a lot of insights and similarities in how we solve and build green infrastructure.

Transcript: otter.ai/u/3W7DIwICzz1fhNR4MofvJvAzOGI
Image: www.pexels.com/photo/utility-tower-2402438/

Rob’s Hot Take:

In the June 2nd episode, Rob Hirschfeld emphasizes the importance of distribution in discussions about creating greener data centers. Recognizing how power is generated, its localities, and dealing with infrastructure peaks and valleys are crucial components. The shift from centralized to decentralized infrastructure, both for power and data centers, plays a key role in reducing reliance on distribution systems, enhancing resilience, and addressing interconnected challenges. Join ongoing conversations about green infrastructure at the2030.cloud to explore these complexities further.