Kubernetes networking is essential for communication between pods, services, and external clients. It enables pods to discover and communicate with each other dynamically while maintaining security and performance.

In this article, we will explore Kubernetes networking concepts, including Services, Ingress, and Network Policies, to help you manage traffic efficiently.

Kubernetes networking enables communication between pods, services, and external clients. It ensures connectivity, scalability, and security for applications running inside a cluster.

In this article, we will cover:

1. Pod-to-Pod communication
2. Services for exposing applications
3. Ingress Controllers for managing external access

In Kubernetes, Pods are ephemeral, meaning they can be created and destroyed dynamically. To allow stable communication between different components of an application, Kubernetes provides Services.

A Service exposes a set of Pods using a stable IP and DNS name, ensuring reliable networking within and outside the cluster.

Why Do We Need Kubernetes Services?

• Pods have dynamic IP addresses that change when restarted.
• Services provide a fixed virtual IP (VIP) that remains stable.
• Services enable load balancing across multiple pod instances.

Types of Kubernetes Services

Kubernetes provides four main types of services: