https://github.com/rspatel031/k8s-network-addon

Repository for Kubernetes network add-on configurations, including Calico, Flannel, and Weave. Easily set up and manage networking in Kubernetes clusters with these YAML files. Perfect for seamless pod communication and network security.
https://github.com/rspatel031/k8s-network-addon

calico flannel k8s kubernetes kubernetes-network kubernetes-plugin plugins weave

Last synced: 7 months ago
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Repository for Kubernetes network add-on configurations, including Calico, Flannel, and Weave. Easily set up and manage networking in Kubernetes clusters with these YAML files. Perfect for seamless pod communication and network security.

• Host: GitHub
• URL: https://github.com/rspatel031/k8s-network-addon
• Owner: rspatel031
• Created: 2025-01-23T17:32:28.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2025-01-24T13:51:06.000Z (8 months ago)
• Last Synced: 2025-01-24T14:23:34.502Z (8 months ago)
• Topics: calico, flannel, k8s, kubernetes, kubernetes-network, kubernetes-plugin, plugins, weave
• Homepage:
• Size: 59.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Kubernetes Network Addon

### Calico Network Addon Configuration

- **Focus**: Network policy and security.

- **Features**:

  - Advanced network policies (Layer 3/4 and Layer 7 via Calico Enterprise).

  - Supports both networking (L3) and network security features.

  - Can operate in multiple modes: BGP (Border Gateway Protocol) or overlay (IP-in-IP or VXLAN).

  - Scales well for large, complex clusters.

- **Performance**: High performance due to its native routing capabilities without requiring overlays in some configurations.

- **Use Case**:

   - Best for clusters requiring network security policies.

   - Ideal for production environments with high scalability and performance needs.

- For full configuration, refer to the [Calico](https://github.com/rspatel031/k8s-network-addon/blob/main/calico/).

---

### Flannel Network Addon Configuration

  - **Focus**: Simple networking.

  - **Features**:

    - Easy to set up and manage.

    - Supports various backends like VXLAN, Host-GW, and WireGuard (for encryption).

    - Primarily provides a flat network for pods to communicate across nodes.

  - **Performance**:

    - Lower performance compared to Calico, especially for large clusters, because it relies on overlays.

  - **Use Case**:

    - Best for basic networking needs without complex policy requirements.

    - Suitable for small or medium-sized clusters where simplicity is key.

  - For full configuration, refer to the [Flannel](https://github.com/rspatel031/k8s-network-addon/blob/main/flannel/).

---

### Weave Network Addon Configuration

  - **Focus**: Simplicity and full-mesh networking.

  - **Features**:

    - Supports encryption for secure communication between pods.

    - Easy to deploy and integrates seamlessly with Kubernetes.

    - Uses a mesh overlay network to connect pods across nodes.

  - **Performance**:

    - Slightly slower than Calico but performs well for small to medium clusters.

  - **Use Case**:

    - Best for environments requiring encrypted traffic and ease of setup.

    - Suitable for small to medium-sized clusters with moderate scalability needs.

  - For full configuration, refer to the [Weave Net](https://github.com/rspatel031/k8s-network-addon/blob/main/weave/).

---

### Comparison Table

| **Feature**           | **Calico**                            | **Flannel**                     | **Weave Net**                     |

|-----------------------|--------------------------------------|----------------------------------|-----------------------------------|

| **Ease of Setup**     | Moderate                            | Easy                             | Easy                              |

| **Networking Model**  | Layer 3 (BGP, overlay)              | Overlay (VXLAN)                 | Overlay (Mesh)                    |

| **Network Policies**  | Advanced                            | Limited (none by default)       | Moderate (basic support)          |

| **Performance**       | High                                | Moderate                        | Moderate                          |

| **Encryption**        | Requires extra tools                | Supported (WireGuard)           | Built-in                          |

| **Scalability**       | High (large clusters)               | Moderate (small to medium)      | Moderate (small to medium)        |

| **Use Case**          | Security & performance              | Simplicity                      | Encrypted, easy setup             |

---

### Which Should You Choose?

#### Choose Calico if:

  - You need advanced network policies for secure multi-tenant environments.

  - You’re running large clusters with high traffic and performance needs.

  - You value flexibility in networking (e.g., BGP or overlay).

#### Choose Flannel if:

  - You prefer simplicity and don’t need advanced network policies.

  - You’re running a small or medium-sized cluster.

  - You want to get started quickly with Kubernetes networking.

#### Choose Weave Net if:

  - You need built-in encryption for secure pod-to-pod communication.

  - You’re working in a moderately sized environment.

  - You want a mesh network with straightforward setup.

---

### Recommendation

  - For production clusters, Calico is often the best choice due to its advanced features and scalability.

  - For small-scale setups or learning environments, Flannel is a lightweight and easy-to-use option.

  - For moderate setups with a need for encryption, Weave Net is a great balance between simplicity and security.