This topic provides the release notes for Dedicated Host (DDH).

Feature Description Release date Supported regions References
A new dedicated host type, CPU Overprovisioned Type v5, is released. Dedicated hosts of type v5 are suitable for applications with low CPU usage, and cloud migration from physical servers that involve virtual environments such as VMware, OpenStack, Hyper-V, and KVM. Dedicated hosts of this type can effectively reduce the cost of deployment for a single instance in these scenarios. July 24, 2019 All Dedicated host types
DDH supports automatic deployment. After automatic deployment is enabled, you do not need to specify a dedicated host when you create an ECS instance. The system automatically selects a dedicated host that meets the automatic deployment requirements to deploy the ECS instance. May 13, 2019 All Features
Dedicated Host is generally available. Dedicated Host (DDH) is a specialized solution developed by Alibaba Cloud for enterprise users. DDH can effectively reduce the total cost of ownership (TCO) for the cloud migration of enterprises. November 15, 2018 All What is DDH