This site contains the documentation that is relevant to older WSO2 product versions and offerings.
For the latest WSO2 documentation, visit https://wso2.com/documentation/.

Clustered Deployment Guide

You can install multiple instances of WSO2 products in a cluster to ensure proper load balancing. When one instance becomes unavailable or is experiencing high traffic, another instance handles the requests. For complete information on clustering, see Clustering WSO2 Products.