Horizontal Scaling with Nginx Upstream Pools
When a single web server reaches physical capacity, horizontal scaling distributes traffic across a pool of backend VPS nodes with automated health check failovers.
Cloud VPS
7 min read
Aug 25, 2026
Nginx Load Balancing: Round Robin, Least Connections & IP Hash Explained
Z
Published by ZodHost Engineering Team
Executive Summary & Key Takeaways
Guide to distributing web traffic across multiple upstream server nodes using Nginx load balancing algorithms and health checks.
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