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Found 99 results for: kubernetes

coolvds.com › Blog › DevOps & Infrastructure

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

· CoolVDS Team

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.

coolvds.com › Blog › DevOps & Infrastructure

Demystifying Kubernetes 1.1 Networking: Flannel, Iptables, and Metal

· CoolVDS Team

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.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes 1.1 Networking Deep Dive: Surviving the Overlay Chaos

· CoolVDS Team

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.

coolvds.com › Blog › DevOps & Infrastructure

Orchestration Wars 2015: Docker Swarm 1.0 vs Kubernetes 1.1 on Nordic Iron

· CoolVDS Team

With the recent release of Docker 1.9 and Swarm 1.0, the container orchestration battle has intensified. We benchmark Swarm against Google's Kubernetes and Apache Mesos to see which solution truly belongs in your production stack—and why your underlying hardware might be the bottleneck you ignored.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes 1.0 Networking: Surviving the Overlay Jungle in Production

· CoolVDS Team

Kubernetes 1.0 is finally here, but the flat-networking model is causing headaches for early adopters. We dissect the performance costs of Flannel vs. Weave and why your underlying VPS architecture decides your cluster's fate.

coolvds.com › Blog › DevOps & Infrastructure

Kubernetes Networking: Escaping Docker Port Hell Before v1.0

· CoolVDS Team

Docker links are dead. As we approach the Kubernetes v1.0 release, we dissect the 'IP-per-Pod' model, configure Flannel overlays on Ubuntu 14.04, and explain why your underlying VPS architecture makes or breaks microservices performance.

coolvds.com › Blog › DevOps & Infrastructure

Taming the Beast: Kubernetes Networking Deep Dive (Pre-v1.0 Edition)

· CoolVDS Team

Google's Kubernetes is changing how we orchestrate Docker containers, but the networking model is a headache for traditional sysadmins. We analyze the 'One IP Per Pod' model, configure Flannel manually, and explain why your kernel version matters.

coolvds.com › Blog › DevOps & Infrastructure

Surviving the Microservices Hype: A Pragmatic Service Mesh Guide for 2018

· CoolVDS Team

Microservices are creating chaos in production environments. Learn how to implement a Service Mesh using Linkerd and Kubernetes 1.9 to regain observability and reliability, without sacrificing performance on Norwegian infrastructure.