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      Appendix

      Terminology & Acronyms and Abbreviations

      For the terminology & acronyms and abbreviation used in this document, see Table 1 and Table 2.

      Table 1 Terminology

      Term

      Description

      AArch64

      AArch64 is an execution state of the ARMv8 architecture. AArch64 is not only an extension of the 32-bit ARM architecture, but also a brand new architecture in ARMv8 that uses the brand new A64 instruction set.

      Domain

      A collection of configurable resources, including memory, vCPUs, network devices, and disk devices. Run the VM in the domain. A domain is allocated with virtual resources and can be independently started, stopped, and restarted.

      Libvirt

      A set of tools used to manage virtualization platforms, including KVM, QEMU, Xen, and other virtualization platforms.

      Guest OS

      The OS running on the VM.

      Host OS

      The OS of the virtual physical machine.

      Hypervisor

      Virtual machine monitor (VMM), is an intermediate software layer that runs between a basic physical server and an OS. It allows multiple OSs and applications to share hardware.

      VM

      A complete virtual computer system that is constructed by using the virtualization technology and simulating the functions of a complete computer hardware system through software.

      Table 2 Acronyms and abbreviations

      Acronyms and abbreviations

      Full spelling

      Full name

      Description

      NUMA

      Non-Uniform Memory Access Architecture

      Non Uniform Memory Access Architecture

      NUMA is a memory architecture designed for multi-processor computers. Under NUMA, a processor accesses its own local memory faster than accessing non-local memory (the memory is located on another processor, or the memory shared between processors).

      KVM

      Kernel-based Virtual Machine

      Kernel-based VM

      KVM is a kernel-based VM. It is a kernel module of Linux and makes Linux a hypervisor.

      OVS

      Open vSwitch

      Open vSwitch

      OVS is a high-quality multi-layer vSwitch that uses the open-source Apache 2.0 license protocol.

      QEMU

      Quick Emulator

      Quick Emulator

      QEMU is a general-purpose, open-source emulator that implements hardware virtualization.

      SMP

      Symmetric Multi-Processor

      Symmetric Multi-Processor

      SMP is a multi-processor computer hardware architecture. Currently, most processor systems use a symmetric multi-processor architecture. The architecture system has multiple processors, each processor shares the memory subsystem and bus structure.

      UEFI

      Unified Extensible Firmware Interface

      Unified Extensible Firmware Interface

      A standard that describes new interfaces in detail. This interface is used by the OS to automatically load the prestart operation environment to an OS.

      VM

      Virtual Machine

      VM

      A complete virtual computer system that is constructed by using the virtualization technology and simulating the functions of a complete computer hardware system through software.

      VMM

      Virtual Machine Monitor

      VM Monitor

      An intermediate software layer that runs between a basic physical server and an OS. It allows multiple OSs and applications to share hardware.

      Bug Catching

      Buggy Content

      Bug Description

      Submit As Issue

      It's a little complicated....

      I'd like to ask someone.

      PR

      Just a small problem.

      I can fix it online!

      Bug Type
      Specifications and Common Mistakes

      ● Misspellings or punctuation mistakes;

      ● Incorrect links, empty cells, or wrong formats;

      ● Chinese characters in English context;

      ● Minor inconsistencies between the UI and descriptions;

      ● Low writing fluency that does not affect understanding;

      ● Incorrect version numbers, including software package names and version numbers on the UI.

      Usability

      ● Incorrect or missing key steps;

      ● Missing prerequisites or precautions;

      ● Ambiguous figures, tables, or texts;

      ● Unclear logic, such as missing classifications, items, and steps.

      Correctness

      ● Technical principles, function descriptions, or specifications inconsistent with those of the software;

      ● Incorrect schematic or architecture diagrams;

      ● Incorrect commands or command parameters;

      ● Incorrect code;

      ● Commands inconsistent with the functions;

      ● Wrong screenshots.

      Risk Warnings

      ● Lack of risk warnings for operations that may damage the system or important data.

      Content Compliance

      ● Contents that may violate applicable laws and regulations or geo-cultural context-sensitive words and expressions;

      ● Copyright infringement.

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