---
title: Sticky sessions using client directors
summary: Map requests to backends based on user ID (a.k.a., "sticky sessions").
url: https://www.fastly.com/documentation/solutions/examples/client-director
---

Map requests to backends based on user ID (a.k.a., "sticky sessions").

## VCL

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/25f7f634)

## Compute

### Rust

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/541d3125)

### Javascript

[Try it in Fastly Fiddle](https://fiddle.fastly.dev/8fcdc90c)