Hardware feature from AMD that encrypts and isolates virtual machine memory; the confidential VM series DCasv5/DCadsv5 and ECasv5/ECadsv5 rely on it.
Also called Secure Encrypted Virtualization-Secure Nested Paging.
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Terms in this definition
- VM
A computer implemented entirely in software, having virtual hardware and its own guest OS; ESX hosts run it and vCenter manages it.
- Confidential VM
Virtual machine on Intel TDX or AMD SEV-SNP hardware, with memory encrypted against the host; it requires a confidential size such as DCasv5 or ECasv5 and a supported image.
Related terms
- DCasv5
General-purpose confidential VM sizes protected by AMD SEV-SNP. Sizes with lookalike names, such as Ddsv5 or D2ads_v5, offer no confidential computing.