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Network Function Virtualization : HyperVisor Domain

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NFV Hypervisor Domain

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Network Function Virtualization : HyperVisor Domain

  1. 1. Network Function Virtualisation – HyperVisor Domain Neelima Sharma
  2. 2. The content of this presentation is taken from the ETSI NFV specifications and from various presentations available on internet
  3. 3. What is covered…  Hypervisor Domain : Purpose  Hypervisor : Architecture  Hypervisor : External Interfaces  Hypervisor : Internal Interfaces  Hypervisor : MIB information  Hypervisor : VIM communication specifications
  4. 4. NFV Infrastructure - Overview  Below figure illustrate the section related to the Infrastructure
  5. 5. NFV Infrastructure – Reference Architecture Framework
  6. 6. NFV Hypervisor Domain - Purpose  NFV Hypervisor domain provides  sufficient abstract of the hardware to provide portability of software appliances  HyperVisor Domain  Infrastructure Domain  Hypervisor Domain provides  Sufficient abstraction of the hardware for the portability of the Software appliances  Provide compute domain resources to the S/W appliances VM machines  Provides management interfaces to the orchestration and management system
  7. 7. Cloud Hypervisor – General Architecture
  8. 8. NFV Hypervisor Domain – Architecture
  9. 9. NFV Hypervisor Domain – Detailed Architecture
  10. 10. NFV Hypervisor Domain – Support for High Performance  Exclusive allocation of whole CPU cores to VM  Direct memory mapped polled drivers for VM to directly access the physical NIC’s  Direct memory mapped polled drivers for VM for interVM communications  vSwitch implementation as a high performance VM
  11. 11. NFV Hypervisor Domain – External Interfaces Purpose
  12. 12. NFV Hypervisor Domain – Internal Interface Purpose  Vi-Ha-Csr  Interface between hypervisor and the compute domain  Serves the purpose of hypervisor control of the hardware  Enables abstraction of the hardware, BIOS, Drivers, I/O (NICs), Accelerator and Memory  Vi-Ha-Nr  Interface between hypervisor and the network domain  Hypervisor shall gather all relevant metrics from the networking domain and provide to VIM  Enables abstraction of the hardware, BIOS, Drivers, I/O (NICs), Accelerator and Memory
  13. 13. NFV Hypervisor Domain – External Interface Purpose  Nf-Vi-H external interface  Interface between hypervisor and Virtualised Infrastructure Manager (VIM)  Nf-Vi-C external interface  Interface between Compute and Virtualised Infrastructure Manager (VIM)  Nf-Vi-N external interface  Interface between Network and Virtualised Infrastructure Manager (VIM)
  14. 14. NFV Hypervisor Domain – MIB’s Details for Nf-Vi interface  MIBS Functions/Objectives for data communication over Nf-Vi interface:  Resources (CPU, Memory, Storage, Adapters, Resource pools, Clusters)  Systems ( Logs, NUMA, I/O etc..)  Events  VM Management  Obsolete/Legacy  Products supported (H/W and S/W)  Analytics
  15. 15. NFV Hypervisor Domain – MIB’s Details for Nf-Vi interface  MIBS Functions/Objectives :  Analytics  Checks the incoming metrics for abnormalities in real time, updates health scores, and generates alerts when necessary.  Collects metrics and computes derived metrics.  Stores the collected metrics statistics. (filesystem).  Stores all other data collected, including objects, relationships, events,dynamic thresholds and alerts.  Mutlicore Processors  Hyperthreading  CPU Affinity's  Power management.
  16. 16. NFV Hypervisor Domain – Communication with VIM Specs  Virtual infrastructure manager (VIM) communication with Hypervisor.  Refer to the attached excel workbook second sheet  Virtual Machine specifications in the request generated  Refer to the attached excel workbook first sheet Attachment :

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