Home > Storage > PowerScale (Isilon) > Product Documentation > Networking > Dell PowerScale: Leaf-Spine Network Best Practices > Overview
Dell PowerScale OneFS 8.2 introduced support for a back-end network infrastructure that is configurable as a leaf-spine network architecture with a set of leaf switches connected to spine switches. PowerScale OneFS 9.0+ now supports up to 252 nodes in a leaf-spine architecture. This document includes best practices for configuring this architecture while accounting for data-center space usage, rack positioning, cabling, and scale.