Intel VT-d
E163096
Intel VT-d is Intel’s hardware-assisted I/O virtualization technology that enables secure and efficient direct device assignment to virtual machines.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Intel VT-d canonical | 8 |
| Intel Virtualization Technology for Directed I/O | 1 |
| Virtualization Technology for Directed I/O | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Intel technology
ⓘ
hardware-assisted I/O virtualization technology ⓘ |
| abbreviationOf |
Intel VT-d
self-linksurface differs
ⓘ
surface form:
Virtualization Technology for Directed I/O
|
| aimsAt |
improving virtualization performance
ⓘ
improving virtualization security ⓘ reducing I/O overhead in virtualized environments ⓘ |
| category |
computer hardware technology
ⓘ
virtualization technology ⓘ |
| compatibleWith |
Intel Xeon
ⓘ
surface form:
Intel Xeon processors
many Intel Core processors ⓘ |
| complements | Intel VT-x ⓘ |
| controls | device access to guest physical memory ⓘ |
| developer |
Intel Corporation
ⓘ
surface form:
Intel
|
| enables |
I/O virtualization
ⓘ
device passthrough ⓘ direct device assignment to virtual machines ⓘ |
| fullName |
Intel VT-d
self-linksurface differs
ⓘ
surface form:
Intel Virtualization Technology for Directed I/O
|
| improves |
performance of high-throughput I/O workloads in VMs
ⓘ
security of multi-tenant virtualized systems ⓘ |
| introducedBy | Intel Corporation ⓘ |
| maps | device-visible addresses to host physical memory ⓘ |
| mitigates | DMA-based attacks ⓘ |
| provides |
fine-grained control of device access to memory
ⓘ
hardware-assisted device isolation ⓘ protection against malicious or faulty DMA ⓘ |
| relatedTo | Intel VT-x ⓘ |
| requires |
BIOS or UEFI firmware support
ⓘ
chipset support ⓘ operating system or hypervisor support ⓘ |
| standardizedIn | Intel VT-d specification ⓘ |
| supportedBy |
KVM
ⓘ
Hyper-V ⓘ
surface form:
Microsoft Hyper-V
VMware ESXi ⓘ Xen ⓘ |
| supports |
DMA remapping
ⓘ
IOMMU functionality ⓘ interrupt remapping ⓘ isolation of device DMA ⓘ protection domains ⓘ |
| usedFor |
PCI and PCIe device passthrough
ⓘ
assigning GPUs directly to virtual machines ⓘ assigning network adapters directly to virtual machines ⓘ |
| usedIn |
cloud virtualization environments
ⓘ
data center virtualization ⓘ desktop platforms ⓘ server platforms ⓘ workstation platforms ⓘ |
| uses | I/O Memory Management Unit ⓘ |
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Intel Virtualization Technology for Directed I/O
this entity surface form:
Virtualization Technology for Directed I/O