Load Balancing

MetalLB – network load balancer implementation for Kubernetes

MetalLB is a network load balancer implementation for Kubernetes.

It brings LoadBalancer services to bare-metal clusters, using standard networking and routing protocols to expose services without depending on a cloud provider.

This is free and open source software.

Key Features

  • Provides LoadBalancer services for bare-metal Kubernetes clusters
  • Allocates external IP addresses from configured address pools
  • Supports Layer 2 mode using ARP and NDP
  • Supports BGP mode for routing traffic to service IPs
  • Integrates with standard network equipment
  • Uses Kubernetes custom resources for configuration
  • Supports Helm, Kustomize, and plain Kubernetes manifest installation
  • Includes Prometheus metrics for monitoring

Website: github.com/metallb/metallb
Support:
Developer: MetalLB Project
License: Apache License 2.0

MetalLB is written in Go. Learn Go with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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