SR-IOV, or Single Root I/O Virtualization, is a technology that allows a single physical PCIe (Peripheral Component Interconnect Express) device to appear as multiple separate physical devices. This is achieved by creating multiple virtual functions (VFs) from a single physical function (PF) in the PCIe device. Each VF can then be assigned to a virtual machine (VM) or a container, providing direct access to the underlying physical hardware, bypassing the hypervisor or the host operating system’s kernel.
SR-IOV is commonly used in virtualized environments, such as cloud data centers, where efficient utilization of hardware resources and high-performance networking are crucial. By enabling direct access to hardware resources, SR-IOV can improve network throughput, reduce latency, and enhance overall system performance for virtualized workloads.
Key features of SR-IOV include its ability to allocate bandwidth and resources to individual VFs, support for live migration of VMs with assigned VFs, and compatibility with standard PCIe devices. However, SR-IOV requires support from both the hardware (NIC, switch, etc.) and the software stack (drivers, hypervisors, etc.) to function effectively.
SR-IOV
Single Root I/O Virtualization
Virtual Functions (VF)
Physical Functions (PF)
SR-IOV Device
SR-IOV Support
SR-IOV Driver
SR-IOV Architecture
SR-IOV Networking
SR-IOV Performance
SR-IOV Passthrough
SR-IOV Configuration
SR-IOV Management
SR-IOV Adapter
SR-IOV Switch
SR-IOV Hypervisor
SR-IOV Host
SR-IOV Guest
SR-IOV NIC (Network Interface Card)
SR-IOV VF Assignment
SR-IOV PF Assignment
SR-IOV VLAN
SR-IOV Traffic Isolation
SR-IOV Bandwidth Allocation
SR-IOV Network Performance
SR-IOV Scalability
SR-IOV Security
SR-IOV Latency
SR-IOV Throughput
SR-IOV Virtualization Layer
[ad_2]
source
