* Red Hat Enterprise Linux Extended Update Support
Red Hat Enterprise Linux Extended Update Support (EUS) is an optional support offering that allows a customer to standardize on a specific minor release for an extended period of time. Each Red Hat Enterprise Linux 7 EUS stream is available for 24 months from the availability of the minor release.
* Red Hat Enterprise Linux Advanced Update Support
Red Hat Enterprise Linux Advanced Update Support (AUS) is an optional support offering the allows a customer to stay on a specific minor release for up to 24 months and receive only critical errata.