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What Is Kubernetes Networking?
What Is Kubernetes Networking?
Kubernetes networking is the system that allows pods, services, nodes, and external resources to communicate inside a Kubernetes cluster. It provides a flat network structure that gives each pod its own IP address and allows traffic to move across worker nodes without network address translation. This simple networking model supports cloud native applications, microservices, and distributed systems that require reliable network communication. Networking in Kubernetes is built on the Container Network Interface, also known as CNI, which configures pod networking and ensures correct routing and connectivity.
·isovalent.com·
What Is Kubernetes Networking?
Personal infrastructure setup 2026
Personal infrastructure setup 2026
While starting this post I realized I have been maintaining personal infrastructure for over a decade! Most of the things I’ve self-hosted is been for personal uses. Email server, a blog, an IRC server, image hosting, RSS reader and so on. All of these things has all been a bit all over the place and never properly streamlined. Some has been in containers, some has just been flat files with a nginx service in front and some has been a random installed Debian package from somewhere I just forgot.
·linderud.dev·
Personal infrastructure setup 2026
How I Taught GitHub Copilot Code Review to Think Like a Maintainer - Angie Jones
How I Taught GitHub Copilot Code Review to Think Like a Maintainer - Angie Jones
Say what you want about vibe coding, but it's been great for open source. Contributing to unfamiliar codebases used to be daunting, which meant maintainers of open source projects received very little community help no matter how popular the project was. But now with AI coding tools, the barrier to contribute is much
·angiejones.tech·
How I Taught GitHub Copilot Code Review to Think Like a Maintainer - Angie Jones
Blog: Announcing the Checkpoint/Restore Working Group
Blog: Announcing the Checkpoint/Restore Working Group

Blog: Announcing the Checkpoint/Restore Working Group

https://www.kubernetes.dev/blog/2026/01/21/introducing-checkpoint-restore-wg/

The community around Kubernetes includes a number of Special Interest Groups (SIGs) and Working Groups (WGs) facilitating discussions on important topics between interested contributors. Today we would like to announce the new Kubernetes Checkpoint Restore WG focusing on the integration of Checkpoint/Restore functionality into Kubernetes.

Motivation and use cases

There are several high-level scenarios discussed in the working group:

Optimizing resource utilization for interactive workloads, such as Jupyter notebooks and AI chatbots

Accelerating startup of applications with long initialization times, including Java applications and LLM inference services

Using periodic checkpointing to enable fault-tolerance for long-running workloads, such as distributed model training

Providing interruption-aware scheduling with transparent checkpoint/restore, allowing lower-priority Pods to be preempted while preserving the runtime state of applications

Facilitating Pod migration across nodes for load balancing and maintenance, without disrupting workloads.

Enabling forensic checkpointing to investigate and analyze security incidents such as cyberattacks, data breaches, and unauthorized access.

Across these scenarios, the goal is to help facilitate discussions of ideas between the Kubernetes community and the growing Checkpoint/Restore in Userspace (CRIU) ecosystem. The CRIU community includes several projects that support these use cases, including:

CRIU - A tool for checkpointing and restoring running applications and containers

checkpointctl - A tool for in-depth analysis of container checkpoints

criu-coordinator - A tool for coordinated checkpoint/restore of distributed applications with CRIU

checkpoint-restore-operator - A Kubernetes operator for managing checkpoints

More information about the checkpoint/restore integration with Kubernetes is also available here.

Related events

Following our presentation about transparent checkpointing at KubeCon EU 2025, we are excited to welcome you to our panel discussion and AI + ML session at KubeCon + CloudNativeCon Europe 2026.

Connect with us

If you are interested in contributing to Kubernetes or CRIU, there are several ways to participate:

Join our meeting every second Thursday at 17:00 UTC via the Zoom link in our meeting notes; recordings of our prior meetings are available here.

Chat with us on the Kubernetes Slack: #wg-checkpoint-restore

Email us at the wg-checkpoint-restore mailing list

via Kubernetes Contributors – Contributor Blog https://www.kubernetes.dev/blog/

January 20, 2026 at 07:00PM

·kubernetes.dev·
Blog: Announcing the Checkpoint/Restore Working Group
Bring Back Ops Pride
Bring Back Ops Pride
"Operations" is not a dirty word, a synonym for toil, or a title for people who can't write code. May those who shit on ops get the operational outcomes they deserve.
·charitydotwtf.substack.com·
Bring Back Ops Pride
Just the Browser - Just the Browser
Just the Browser - Just the Browser
Remove AI features, telemetry data reporting, sponsored content, product integrations, and other annoyances from web browsers.
·justthebrowser.com·
Just the Browser - Just the Browser
iOfficeAI/AionUi: Free, local, open-source Cowork for Gemini CLI, Claude Code, Codex, Opencode, Qwen Code, Goose Cli, Auggie, and more | 🌟 Star if you like it!
iOfficeAI/AionUi: Free, local, open-source Cowork for Gemini CLI, Claude Code, Codex, Opencode, Qwen Code, Goose Cli, Auggie, and more | 🌟 Star if you like it!
Free, local, open-source Cowork for Gemini CLI, Claude Code, Codex, Opencode, Qwen Code, Goose Cli, Auggie, and more | 🌟 Star if you like it! - iOfficeAI/AionUi
·github.com·
iOfficeAI/AionUi: Free, local, open-source Cowork for Gemini CLI, Claude Code, Codex, Opencode, Qwen Code, Goose Cli, Auggie, and more | 🌟 Star if you like it!
How to write a good spec for AI agents
How to write a good spec for AI agents
Learn how to write effective specifications for AI coding agents to improve clarity, focus, and productivity in your AI-driven development workflows.
·addyosmani.com·
How to write a good spec for AI agents
Kubernetes is in orbit
Kubernetes is in orbit
Kubernetes is now moving at 28,000 km/h. Literally. Did you know that the "cloud" has officially expanded beyond our atmosphere? The space company D-Orbit has actually launched Kubernetes clusters into orbit on their ION Satellite Carrier. While most satellites run on rigid, unchangeable legacy code, D-Orbit is bringing Cloud Native agility to the final frontier. No more flashing firmware: Need a new AI model to detect forest fires or track climate change? Don't rewrite the satellite's OS; just push a new Docker container. Self-Healing in Orbit: The thought of 'pod evictions' and 'load balancing' happening while hardware streaks across the troposphere is mind-blowing. Want these kind of stories on a conference? Follow Dutch Cloud Native Day :) | 14 comments on LinkedIn
·linkedin.com·
Kubernetes is in orbit