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GCP · Networking

Cloud Load Balancing

Global HTTP(S), TCP and internal LBs.

Official docs

Overview

Global anycast load balancer with URL maps, SSL termination and Cloud Armor integration.

When to use it

  • Front Cloud Run/GKE services
  • Canary via URL-map weight

Setup

  1. Reserve global IP.
  2. Create backend service + URL map + target proxy + forwarding rule.

How to use

Weighted canary

URL map → backendService weights: stable=90, canary=10.

QA use cases

  • Shift 10% of synthetic traffic to canary backend; rollback on SLO burn.