# Product Advantages

- Cost-effectiveness: DeH allows you to bring your own license (BYOL), such as licenses for Microsoft Windows Server, Microsoft SQL Server, and Microsoft Office.
- Security: DeH isolates compute resources to prevent your workloads on DeHs from being affected by those of other tenants.
- Legal compliance: Physically isolated DeHs help you to meet regulation compliance and surveillance requirements for your sensitive services.
- Scalability: You can apply for your DeHs flexibly. Your DeHs will be allocated within several minutes.
- Reliability: DeH provides 99.95% availability.
- Automatic recovery: If a DeH is faulty, all ECSs on the faulty DeH are automatically migrated to another idle DeH in the resource pool and the idle DeH will be associated to the user.

Parent topic: Product Introduction