Dedicated Host (DDH) allows you to flexibly deploy your business, ensures security and compliance, and reduces the cost of cloud migration. This topic describes the use scenarios of DDH.
Ensure strict security and compliance requirements
DDH is a single-tenant hosting service. The physical resources of a dedicated host are used by only one tenant. Dedicated hosts of different tenants are isolated at the physical server level to meet the strict compliance requirements of specific services. You can create ECS instances on a specified physical server to meet the compliance requirements of the runtime environment for your business.
Maintain stable performance
Specialized industries, such as the gaming industry, require high computing capability and stability. DDH allows you to exclusively use all resources of a physical server, such as the CPUs, memory, and network interface controller. It also ensures a smooth gaming experience based on the stability of performance and instance access.
Deploy hardware-bound licenses
If your license is assigned based on the numbers of CPU cores, CPU sockets, and virtual machines, you can continue to use your own license on a dedicated host. Furthermore, you are still subject to the terms of the license. For the licenses that need to be bound to physical hardware, DDH ensures that the hardware is not changed. This prevents license failures caused by vMotion. You can bind an existing software license, such as a Windows Server license or an SQL Server license to an ECS instance created on a dedicated host. This reduces the cost of migrating your business to the cloud.
Automatic resource deployment
DDH provides the automatic deployment feature. You can use the feature or specify a dedicated host to deploy ECS instances. You can also obtain the topological relationships between ECS instances and physical servers. In addition, you can migrate ECS instances between different hosts. Flexible deployment and migration help you orchestrate your applications.
Migrate virtual environments to the cloud
The CPU overprovisioned dedicated host type can be used for services that have a low CPU load such as development, testing, and system O&M. You can also use the CPU overprovisioned dedicated host type to migrate virtual environments such as OpenStack and KVM from physical servers to the cloud at low cost. For more information, see Dedicated host types.