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NFV

Network Functions Virtualisation

Konrad Gawda

13.06.2016, PyWaw #59

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Konrad Gawda

Programming / PyWaw

Telco / Orange

Embedded

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Network Functions Virtualisation

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Network Functions

IPTV

Router

Firewall

CG NAT

BNG

CPE

OLT

DSLAM

Base Station

BBU

EPC

MME

IPSecGW

IMS

CDN

VAS...

Parental Control

P-CSCF

S/P-GW

PCRF

HSS

MGW

TAS

I-CSCF

S-CSCF

DHCP

Control Plane, Data Plane...

DPI

Examples

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NFV Reference Architecture

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NFVI

Network Functions Virtualisation Infrastructure

​

→ virtualisation container

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VNF

Virtual Network Function

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VIM

Virtual

Infrastructure Manager

E.g.

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NFVO, VNFM

NFV Orchestrator

VNF Manager

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Descriptors

VNFD

VNF Descriptor

​

NSD

Network Service Descriptor

​

...

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VNFD

{� "name":"iperf-server",� "vendor":"FOKUS",� "version":"1.0",� "lifecycle_event":[� {� "event":"INSTANTIATE",� "lifecycle_events":[� "install.sh",� "install-srv.sh"� ]� }� ],� "virtual_link":[� {� "name":"private"� }� ],� "vdu":[� {� "vm_image":[� ],� "scale_in_out":1,� "vnfc":[� {� "connection_point":[� {� "virtual_link_reference":"private"� }� ]� }� ],� "vimInstanceName":["vim-instance"]� }� ],� "deployment_flavour":[� {� "flavour_key":"m1.small"� }� ],� "type":"server",� "endpoint":"generic",�}

Examples

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NSD

{ � "name":"iperf-NSD",� "vendor":"fokus",� "version":"0.1-ALPHA",� "vnfd":[ ... ],� "vld":[ � { � "name":"private"� }� ],� "vnf_dependency":[� {� "source" : {� "name": "iperf-server"� },� "target":{� "name": "iperf-client"� },� "parameters":[� "private"� ]� }� ]�}

Examples

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VNF Package

VNFD

IMG

IMG

IMG

scr

scr

...

scr

scr

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NFV + SDN

Foto: Efraimstochter

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NFV + SDN

Foto: Efraimstochter

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NFV OpenSource implem.

  • Full MANO
    • OPNFV (Linux Foundation)
    • OpenMANO (Telefonica)
    • OSM (ETSI)
  • NFVO (+VNFM)
    • see next slide
  • VNFM
    • JuJu, XOS, Cloudify? ...
  • VIM
    • OpenStack, OpenVim

​

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NFV Orchestration

Company/Organization

Name

Github code

Main lang.

Telefonica

openmano

Python

Fraunhoffer FOKUS

OpenBaton

Java

RIFT.io

RIFT.ware NSO

C

Openstack Foundation

Tacker

Python

Linux Foundation

OPEN-O

Not yet...

?

ON.Lab

XOS

Python

GigaSpaces Technologies

Cloudify

Python

and VNFMs...

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Nuts and bolts...

  • Traffic processing performance
    • PCI Passthrough, SR-IOV
    • DPDK
    • Acceleration

​

  • Virtualisation technologies
    • VMs, Containers, …

​

  • Modelling
    • TOSCA, YANG

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NFV

Network Functions Virtualisation

Konrad Gawda

13.06.2016, PyWaw #59