Adobe Commerce on cloud infrastructure uses several software solutions to support the platform. See the following topics in the Cloud Guide for more details:

Pro environment architecture
Starter environment architecture

Features and benefits

Three dedicated instances in a virtual private cloud (VPC) with an elastic load balancer across three separate availability zones or datacenters.
Higher resiliency against events that may cause a single instance to fail. For example, an outage of an entire AWS availability zone or datacenter.
Zero downtime scaling across the entire stack, including web, caching, search, and database.