Mirror
Updated: 05/03/2022 by Computer Hope

An exact duplicate of another object. For example, a website may mirror its content at multiple other sites, to distribute the network traffic geographically and reduce stress on any single servers.
Tip
Although mirrors are still used today, many sites today use a CDN instead of a mirror to distribute content.
Duplicate, Failover, Fault tolerance, Ghosting, Network terms, Server mirroring