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#Networking

All articles tagged with Networking

#Networking

Kubernetes Networking Deep Dive: Surviving the Packet Jungle in Production

A battle-hardened guide to Kubernetes networking in early 2017. We dissect CNI plugins, debug iptables hell, and explain why underlying VPS latency determines cluster stability.

Kubernetes 1.5 Networking Deep Dive: Surviving the Overlay Jungle

A battle-hardened guide to Pod-to-Pod communication, CNI plugins, and optimizing iptables in 2017. Learn why infrastructure latency makes or breaks your cluster.

Surviving the Kubernetes Networking Maze: From Overlay Networks to Production-Grade Ingress in 2017

A battle-hardened look at Kubernetes networking primitives, CNI choices, and why low-latency infrastructure is non-negotiable for stability. Written for the DevOps engineer debugging iptables at 3 AM.

Kubernetes 1.5 Networking Deep Dive: Surviving the Overlay Chaos

Packet loss, MTU mismatches, and iptables hell. We dissect the reality of running Kubernetes networking in production and why your underlying VPS choice dictates your cluster's stability.

Taming the Microservices Hydra: Implementing a Service Mesh with Linkerd on Kubernetes

Moving from monoliths to microservices introduces a new nightmare: service discovery and latency management. In this guide, we explore the emerging 'Service Mesh' concept using Linkerd to handle inter-service communication without rewriting your application code.

Kubernetes Networking Deep Dive: Surviving the Packet Jungle in 2016

Kubernetes 1.4+ networking isn't magic—it's a complex beast of iptables, CNI plugins, and encapsulation. We dissect the flow of a packet, compare Flannel vs. Calico, and explain why your underlying VPS I/O is the hidden bottleneck for etcd.

Kubernetes Networking Deep Dive: Packet Flow, CNI, and Performance Bottlenecks in Production

A battle-hardened look at Kubernetes 1.4 networking. We dissect the CNI, analyze the iptables mess created by kube-proxy, and explain why your underlying VPS infrastructure dictates your cluster's latency.

Taming the Beast: A Deep Dive into Kubernetes 1.4 Networking & CNI Choices

Kubernetes networking isn't magic; it's a labyrinth of iptables and routing tables. We break down CNI plugins, overlay networks, and why your underlying hardware matters more than your config in 2016.

Kubernetes 1.4 Networking: Surviving the Packet Jungle on Bare Metal & KVM

A deep dive into the chaotic world of Kubernetes networking, CNI plugins, and iptables hell. Learn how to optimize pod communication without sacrificing latency, specifically tailored for Norwegian infrastructure.

Kubernetes Networking in Production: Surviving the iptables Maze (v1.4 Edition)

Kubernetes networking isn't magic—it's complex Linux routing. We dive into the CNI chaos, overlay network latency, and why your choice of underlying KVM infrastructure in Norway matters for production workloads.

Kubernetes Networking Deep Dive: Escaping the Iptables Hell (September 2016 Edition)

A battle-hardened look at Kubernetes 1.3 networking, CNI plugins, and why overlay networks might be killing your latency. Learn how to configure kube-proxy properly on Norwegian infrastructure.

Kubernetes Networking Deep Dive: CNI, Iptables, and Performance in v1.3

Kubernetes networking is where most clusters fail. In this deep dive, we dissect the CNI landscape of 2016, compare Flannel vs. Calico, and explain why underlying virtualization choice defines your packet throughput.

Kubernetes Networking Deep Dive: Flannel, Calico, and IPTables in Production

A battle-hardened look at the Kubernetes 1.3 network model. We break down CNI, overlay trade-offs, and why low-latency infrastructure is critical for microservices in the Nordic region.

Kubernetes 1.3 Networking: A Sysadmin's Guide to Surviving Overlays & iptables

Master the complexities of the Kubernetes networking model, from CNI plugins like Flannel and Calico to debugging iptables mode. Learn why infrastructure performance makes or breaks your cluster.

Kubernetes 1.2 Networking Deep Dive: Surviving the Overlay Jungle on Bare Metal

A battle-hardened guide to Pod networking, CNI choices, and debugging iptables in Kubernetes 1.2. Learn how to minimize latency on Norwegian VPS infrastructure without relying on public cloud load balancers.

Kubernetes Networking Deep Dive: Surviving the Packet Jungle in Production

A battle-hardened look at Kubernetes 1.2 networking, from the chaos of iptables to the latency costs of overlay networks like Flannel. Learn how to debug packet drops and why your underlying VPS hardware in Norway makes or breaks your cluster.

Kubernetes v1.2 Networking Deep Dive: Packet Flow, Iptables, and Why Latency Kills Clusters

Kubernetes 1.2 is changing the game with iptables-based proxies, but the networking model remains the most complex barrier to production. We dissect the packet flow from Pod-to-Pod, analyze Flannel vs. Weave, and explain why your underlying VPS I/O is the bottleneck you aren't watching.

Kubernetes Networking Deep Dive: Taming the iptables Beast (v1.2 Edition)

A battle-hardened look at how Kubernetes handles pod-to-pod communication. We dissect the specific challenges of CNI plugins like Flannel and Calico, debug MTU mismatches, and explain why raw underlying hardware performance is critical for overlay networks.

Demystifying Kubernetes 1.1 Networking: Flannel, Iptables, and Metal

Kubernetes networking isn't magic—it's packet encapsulation and routing tables. We deep dive into K8s 1.1 networking models, the overhead of overlays like Flannel, and why low-latency hardware is critical for etcd stability.

Kubernetes Networking Deep Dive: Surviving the Overlay Jungle (v1.1 Edition)

Kubernetes 1.1 networking is notoriously complex. We dissect the packet flow, compare Flannel vs. Weave, and explain why your underlying virtualization choice dictates performance.

Demystifying Kubernetes 1.1 Networking: A Deep Dive into Overlays and iptables

Kubernetes networking is notoriously complex. We break down the flat network model, Flannel configuration, and the iptables maze to help you survive production in 2016.

Kubernetes 1.1 Networking: Surviving the Overlay Chaos in Production

Kubernetes is taking over, but the networking model is a beast. We dive deep into kube-proxy, iptables modes, and why Flannel configurations on standard VPS providers might be killing your latency.

Kubernetes 1.1 Networking Deep Dive: Surviving the Overlay Chaos

Kubernetes 1.1 promises orchestration nirvana, but the networking model can be a nightmare. We break down the flat network requirement, compare Flannel vs. Weave, and explain why your underlying VPS architecture decides your cluster's fate.

Kubernetes 1.1 Networking: Surviving the Packet Jungle in Production

Overlay networks, iptables hell, and the myth of zero-latency. A battle-hardened guide to K8s networking in the post-Safe Harbor era, specifically for Norwegian infrastructure.

Kubernetes 1.1 Networking Deep Dive: Escaping the Userspace Bottleneck on Bare Metal

The default kube-proxy in Kubernetes 1.1 is a performance killer. We benchmark iptables mode vs. userspace, configure Flannel for low-latency Norwegian infrastructure, and navigate the post-Safe Harbor compliance minefield.

The Perimeter is Dead: Implementing a Zero-Trust Architecture in 2016 Post-Safe Harbor

With the recent collapse of the Safe Harbor agreement, relying on a simple firewall is no longer sufficient. Learn how to implement Google's 'Zero Trust' model using Linux primitives, strict access controls, and Norwegian infrastructure.

Taming the Beast: A Deep Dive into Kubernetes 1.1 Networking & Performance on Bare Metal

Kubernetes 1.1 is finally production-ready, but the networking model remains a black box for many. We dissect the overlay network tax, optimization of kube-proxy, and why the recent Safe Harbor ruling makes hosting your cluster in Norway critical.

Kubernetes 1.1 Networking: Demystifying Pod Communication and Overlays on Bare Metal

Kubernetes 1.1 has brought massive changes to networking with the new iptables proxy mode. We dive deep into CNI, Flannel configuration, and why the recent Safe Harbor invalidation makes running your own K8s cluster in Norway a smart move.

Kubernetes 1.1 Networking Deep Dive: Surviving the Overlay Maze in 2015

Kubernetes 1.1 has stabilized, but the flat networking model remains a black box for many. We dissect Flannel, iptables, and the hardware requirements needed to keep latency low in production.

Surviving the Kubernetes Networking Maze: Flannel, Iptables, and the Schrems I Reality

Kubernetes 1.1 brings performance improvements, but networking remains a complex beast. We dissect overlay networks, the new iptables proxy mode, and why the recent Safe Harbor invalidation makes hosting in Norway critical.