SuSE Linux Enterprise Server is the "professional" SuSE distribution. A release of SUSE Linux is maintained and supported until six months after the release of the next service pack. The current release SP6 was released on June 26, 2024.
- SLES 9 SP4: Has EoLed in August 2010
- SLES 10 SP4: Has XEN 3.2 built in (Dom0-Support)
- SLES 11 SP2: Has XEN 4.1 built in, ha-stack has to be licensed separately, KVM also supported
https://en.wikipedia.org/wiki/SUSE_Linux_Enterprise#End-of-support_schedule
https://www.suse.com/releasenotes/x86_64/SUSE-SLES/15-SP6/index.html#intro-lifecycle