The Xen project members list suggests otherwise: https://xenproject.org/about-us/project-members/
Even if it is a custom hypervisor, AWS likely derived it from Xen and sponsors the project to continue doing so.
Even if it is a custom hypervisor, AWS likely derived it from Xen and sponsors the project to continue doing so.
AWS does continue to support older instance types, however, but only legacy workloads are using them. They actually now even run the XEN based legacy instance types on nitro. https://perspectives.mvdirona.com/2021/11/xen-on-nitro-aws-n...