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flannel

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System Architect Go
System Architect Go
Nov 30, 2024 · Cloud Native

Comparison of Flannel and Calico CNI Plugins for Kubernetes

This article compares Flannel and Calico, two Kubernetes CNI plugins, detailing their architectures, backend mechanisms, routing models, overlay and non‑overlay options, and highlighting Flannel's simplicity for small clusters versus Calico's richer feature set for larger, production‑grade environments.

CNICalicoKubernetes
0 likes · 8 min read
Comparison of Flannel and Calico CNI Plugins for Kubernetes
Architecture Development Notes
Architecture Development Notes
Jan 3, 2024 · Cloud Native

Build a Kubernetes Cluster with kubeadm: Step‑by‑Step Guide

This guide walks you through preparing Linux machines, configuring system settings, installing Docker and Kubernetes components with kubeadm, initializing a master node, deploying a pod network, joining worker nodes, and verifying the cluster, providing a complete step‑by‑step tutorial for building a Kubernetes cluster.

Cluster SetupDockerKubernetes
0 likes · 7 min read
Build a Kubernetes Cluster with kubeadm: Step‑by‑Step Guide
Architects Research Society
Architects Research Society
Jun 5, 2023 · Cloud Native

Understanding the Kubernetes Networking Model

This article explains the fundamentals of Kubernetes networking, describes its flat network architecture, reviews common CNI implementations such as Flannel, Project Calico, and Weave Net, and details the various communication pathways including container‑to‑container, pod‑to‑pod, pod‑to‑service, and internet‑to‑service.

CalicoKubernetesWeave Net
0 likes · 9 min read
Understanding the Kubernetes Networking Model
Architect's Guide
Architect's Guide
Dec 14, 2022 · Cloud Native

Understanding Underlay and Overlay Network Models in Kubernetes

This article explains Kubernetes networking models, detailing the underlay network infrastructure, overlay techniques, and common CNI implementations such as Flannel, Calico, IPVLAN, and VxLAN, while comparing their architectures, protocols, and configuration considerations.

CNICalicoKubernetes
0 likes · 12 min read
Understanding Underlay and Overlay Network Models in Kubernetes
Top Architect
Top Architect
Nov 21, 2022 · Cloud Native

Understanding Underlay and Overlay Network Models in Kubernetes

This article provides a comprehensive overview of Kubernetes networking by explaining the concepts of underlay and overlay network models, describing their implementations such as flannel host‑gw, Calico BGP, IPVLAN/MACVLAN, and tunneling technologies like VxLAN and IPIP, and offering practical references for each approach.

CNICalicoKubernetes
0 likes · 14 min read
Understanding Underlay and Overlay Network Models in Kubernetes
Top Architect
Top Architect
Nov 7, 2022 · Cloud Native

Step‑by‑Step Deployment of a Highly Available Kubernetes Cluster with Nginx/Keepalived Load Balancer, Flannel CNI, IPVS, Dashboard, and Harbor Registry

This comprehensive guide walks you through installing Docker and containerd, configuring yum repositories, setting up kubeadm/kubelet/kubectl, initializing a multi‑master Kubernetes cluster, enabling Flannel CNI and IPVS, building a Nginx‑Keepalived HA load balancer, deploying the Kubernetes dashboard, configuring NFS storage with a dynamic provisioner, and installing a secure Harbor image registry for private images.

HarborHigh AvailabilityKeepalived
0 likes · 44 min read
Step‑by‑Step Deployment of a Highly Available Kubernetes Cluster with Nginx/Keepalived Load Balancer, Flannel CNI, IPVS, Dashboard, and Harbor Registry
Efficient Ops
Efficient Ops
Apr 18, 2022 · Cloud Native

How Kubernetes Enables Seamless Container Networking: From Docker0 to CNI

This article explains how Kubernetes ensures container-to-container communication using network namespaces, veth pairs, bridges like docker0, and advanced CNI plugins such as Flannel and Calico, detailing their underlying Linux networking components, routing mechanisms, and deployment considerations for both intra‑host and inter‑host scenarios.

BGPCNICalico
0 likes · 19 min read
How Kubernetes Enables Seamless Container Networking: From Docker0 to CNI
Architects Research Society
Architects Research Society
Feb 22, 2022 · Cloud Computing

Understanding the Kubernetes Networking Model

This article explains the fundamentals of Kubernetes networking, compares popular CNI implementations such as Flannel, Calico, and Weave Net, and details the key networking scenarios—including container‑to‑container, pod‑to‑pod, pod‑to‑service, and Internet‑to‑service—required for reliable and secure cluster operation.

CalicoKubernetesPod
0 likes · 9 min read
Understanding the Kubernetes Networking Model
Efficient Ops
Efficient Ops
Jan 17, 2022 · Cloud Native

How Do Containers Communicate in Kubernetes? A Deep Dive into CNI and Network Namespaces

This article explains the fundamentals of container networking in Kubernetes, covering network namespaces, veth pairs, bridges, CNI plugins such as Flannel and Calico, their routing modes, and practical command‑line examples that illustrate intra‑host and cross‑host communication.

CNICalicoContainer Networking
0 likes · 20 min read
How Do Containers Communicate in Kubernetes? A Deep Dive into CNI and Network Namespaces
Efficient Ops
Efficient Ops
Dec 19, 2021 · Cloud Native

Master Docker & Kubernetes Networking: From Bridge to Flannel Explained

This article walks through Docker's built‑in network drivers—including bridge, host, none, overlay, macvlan and plugins—then dives into Kubernetes networking, detailing Pod communication, the Flannel CNI workflow, and how data traverses virtual bridges and physical interfaces.

CNIDockerKubernetes
0 likes · 12 min read
Master Docker & Kubernetes Networking: From Bridge to Flannel Explained
360 Tech Engineering
360 Tech Engineering
Sep 16, 2021 · Cloud Native

Step-by-Step Guide to Building a Kubernetes Cluster on CentOS 7

This comprehensive tutorial walks through preparing a CentOS 7 host, configuring hostnames, disabling swap and firewalls, installing Docker and Kubernetes components with kubeadm, setting up the master and worker nodes, deploying the flannel network plugin, testing with nginx, and installing the Kubernetes dashboard, all with detailed commands and troubleshooting tips.

CentOSClusterDashboard
0 likes · 21 min read
Step-by-Step Guide to Building a Kubernetes Cluster on CentOS 7
Cloud Native Technology Community
Cloud Native Technology Community
Sep 9, 2021 · Cloud Native

Step-by-Step Guide to Building a Kubernetes v1.22.1 Cluster with containerd Using kubeadm

This tutorial walks through preparing three CentOS 7.6 nodes, installing and configuring containerd, setting up kubeadm, kubelet, and kubectl, initializing a Kubernetes v1.22.1 control plane, adding worker nodes, deploying the Flannel CNI plugin, installing the Kubernetes Dashboard, and providing cleanup commands, all with detailed commands and configuration files.

CNIDashboardKubernetes
0 likes · 27 min read
Step-by-Step Guide to Building a Kubernetes v1.22.1 Cluster with containerd Using kubeadm
DevOps Cloud Academy
DevOps Cloud Academy
Sep 1, 2021 · Cloud Native

Step-by-Step Guide to Building a Kubernetes v1.22.1 Cluster with containerd Using kubeadm

This tutorial walks through preparing three CentOS 7.6 nodes, disabling firewalls and SELinux, configuring sysctl and ipvs, installing containerd and its dependencies, generating containerd and kubeadm configurations, initializing the control plane, adding worker nodes, deploying the Flannel CNI plugin and Kubernetes Dashboard, and finally cleaning up the cluster.

CNICluster SetupDashboard
0 likes · 26 min read
Step-by-Step Guide to Building a Kubernetes v1.22.1 Cluster with containerd Using kubeadm
Efficient Ops
Efficient Ops
Aug 24, 2021 · Cloud Native

How Kubernetes Enables Container Networking: From Docker Bridge to CNI Plugins

This article explains Kubernetes container networking fundamentals, the role of Linux network namespaces, veth pairs, bridges, and iptables, and compares same‑host communication via docker0 with cross‑host solutions like CNI plugins (flannel, Calico) and their routing modes.

CNICalicoContainer Networking
0 likes · 19 min read
How Kubernetes Enables Container Networking: From Docker Bridge to CNI Plugins
Practical DevOps Architecture
Practical DevOps Architecture
Jul 15, 2021 · Cloud Native

Step-by-Step Guide to Setting Up a Kubernetes Cluster with Docker, kubeadm, and Flannel

This tutorial walks through preparing three Linux VMs, disabling firewalls and swap, configuring sysctl, installing Docker and Kubernetes components, initializing the master node, joining worker nodes, deploying the Flannel CNI plugin, creating a test nginx pod, and accessing it via a NodePort service.

Cluster SetupDockerKubernetes
0 likes · 5 min read
Step-by-Step Guide to Setting Up a Kubernetes Cluster with Docker, kubeadm, and Flannel
Efficient Ops
Efficient Ops
Jun 21, 2021 · Cloud Native

How Kubernetes Connects Containers: From Docker Bridge to CNI Plugins

This article explains the fundamentals of container networking in Kubernetes, covering Linux network namespaces, veth pairs, Docker's default bridge, CNI plugins such as Flannel and Calico, their routing modes, and practical command‑line examples for cross‑host communication.

CNICalicoContainer Networking
0 likes · 19 min read
How Kubernetes Connects Containers: From Docker Bridge to CNI Plugins
Efficient Ops
Efficient Ops
Apr 13, 2021 · Cloud Native

How Does Kubernetes Enable Container Networking? A Deep Dive into CNI, Veth, and Bridges

This article explains the fundamental principles of Kubernetes container networking, covering network namespaces, veth pairs, bridges, iptables, and routing, and compares intra‑host communication with cross‑host solutions such as CNI plugins, overlay, host‑gw, and Calico’s BGP‑based approaches.

BridgeCNICalico
0 likes · 18 min read
How Does Kubernetes Enable Container Networking? A Deep Dive into CNI, Veth, and Bridges
Practical DevOps Architecture
Practical DevOps Architecture
Feb 20, 2021 · Cloud Native

Understanding Flannel: Deployment, Modes, and Packet Flow in Kubernetes

This article explains Flannel's role in Kubernetes networking, shows how to deploy it, details its supported data‑forwarding modes such as VXLAN and Host‑GW, and walks through the complete packet journey from a source pod to a destination pod.

Container NetworkingKubernetesVxLAN
0 likes · 6 min read
Understanding Flannel: Deployment, Modes, and Packet Flow in Kubernetes