slides-88-opsawg-6

7/26/2019 slides-88-opsawg-6

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ETSI NFV Management and

Orchestration -

An Overview

Mehmet ErsueETSI NFV MANO WG Co-chairmehmet!ersue"nsn!com#

IETF $%%& Vancouver& Canada


2/14

Virtua'i(ation as a )aradigm

Virtua'Machine

GuestOS

GuestA**'ication

Virtua'Machine

GuestOS

GuestA**'ication

Virtua'Machine

GuestOS

GuestA**'ication

NF+ Networ, Function

VNF+ Virtua' Networ, Function

NC+ Networ, Contro''er

VN+ Virtua' Networ,

Virtua'i(ationand

A**'ication

Management

ardware

ost OS

.*ervisor

C'oudStac,&O*enStac,

C'oudA)I

VNF

VN VNNF

NF

VN

NaaS

IaaS

NC

VNC

Virtua'Machine

GuestOS

GuestA**'ication

E/am*'es o0 VNFs+

1 Switching+ 2NG& CG-NAT& routers!1 Mo3i'e networ, nodes+ 456SS&

MME& SGSN& GGSN6)7N-GW& 5NC!1 ome routers and set to* 3o/es!1

Tunne''ing gatewa. e'ements!1 Tra00ic ana'.sis+ 7)I!1 Signa''ing+ S2Cs& IMS!1 Networ,-wide 0unctions+ AAA servers&

*o'ic. contro'!1 A**'ication-'eve' o*timisation+ C7Ns&

4oad 2a'ancers!

1 Securit. 0unctions+ Firewa''s& intrusiondetection s.stems!

Virtua' Networ, Functions VNF#

8


3/14

Networ, Function Virtua'i(ation

Com*onents

NFV In0rastructure NFVI#

Com*ute Storage Networ,HW Resources

Virtua'i(ation 4a.erVirtualization SW

Virtua'

Com*ute

Virtua'

Storage

Virtua'

Networ,Virtual Resources

Logical

Abstractions

Networ, Service

VNF VNF VNF

VNF VNF

4ogica' 4in,s

VNF Instances

VNF VNF VNFSW Instances

VNF + Virtua'i(ed Networ, Function

VNF

End)oint

End)oint

E8E Networ, Service

VNF Forwarding

Gra*h a,a!

Service Chain

9


4/14

E/am*'e o0 an E8E Networ, Service with

VNFs and nested VNF Forwarding Gra*hs

End

Point

VNF-1VNF-

2C

PNF-3

VNF-

2A

VNF-

2B

Virtualisation Layer

VNF-FG-2

End-to-end network service

Pysical link

Lo!ical link

Virtualisation

VNF-FG

EndPoint

NFV"-PoP

#ardware

$esourcesin Pysical

Locations

Le!end

Source+ ETSI NFV E8E Architectura' Framewor,:


5/14

MANO Functiona' 2'oc,s

NFV Orchestrator+

on-3oarding o0 new Networ, Service NS#& VNF-FG and VNF )ac,ages NS 'i0ec.c'e management inc'uding instantiation& sca'e-out6in&

*er0ormance measurements& event corre'ation& termination# g'o3a' resource management& va'idation and authori(ation o0 NFVI

resource re;uests *o'ic. management 0or NS instances

VNF Manager+ 'i0ec.c'e management o0 VNF instances overa'' coordination and ada*tation ro'e 0or con0iguration and event

re*orting 3etween NFVI and the E6NMS

Virtua'ised In0rastructure Manager VIM#+ contro''ing and managing the NFVI com*ute& storage and networ,

resources& within one o*erator


6/14

NFV Management and Orchestration Architecture

VNF

Virtualised

"n%rastructure

&ana!er

'V"&(

VNF &ana!er

'VNF&(

NFV"

E)ecution re%erence *oints &ain NFV re%erence *oints

+ter re%erence *oints

E&,

VNF

Catalo!

Or-Vi

VeN0-Vn0m

Os-N0vo

VeEn-Vn0m

N0-Vi

Vn-N0

NFV Orchestrator NFVO#

NFV-MANO

OSS62SS

NFV"

$esources

Or-Vn0m

Vn0m-Vi

NFV

"nstances

N,

Catalo!

Source+ ETSI NFV MANO WI document ongoing wor,#>


7/14

NFV Entities to de*'o. and manage

Networ, Service NS#+ descri3ed 3. its descri*tor 0i'e& orchestrated 3. NFVO&

ma. cover ? or more VNF Gra*hs& VNFs and )NFs!

VNF Forwarding Gra*h VNF-FG#+

descri3ed 3. its descri*tor 0i'e& orchestrated 3. NFVO& ma. cover VNF-FGs& VNFs and NFs

VNF+

descri3ed 3. its descri*tor 0i'e& instantiated 3.

the VNF Manager&

covers VNF com*onents VNFC# each ma**edto a VM descri3ed with the Virtua' 7e*'o.ment

@nit descri*tor!

VNF

NetworkService

1..n

VNF Forwarding Graph

1

1..n

0..n


8/14

Overview o0 MANO 7escri*tor Fi'es

%Sour

ce+ETSINFVMANO

WIdocumentongoingwor,#


9/14


ongoing wor,#

Networ, Service descri*tor+

E8E service descri*tion inc'uding su**orted S4A *arameter& re0erences to

covered VNF-FG and VNFs& 'ist o0 su**orted service monitoring *arameters!

VNF Forwarding Gra*h descri*tor+

VNFFG descri*tion& VNFs and VNF7s needed 0or orchestration& re0erence to 'in,

in0ormation& descri*tion o0 )h.sica'64ogica' inter0aces VNF 7escri*tor+

4in,s to scri*ts 0or initiation and termination& descri*tion o0 interna' and e/terna'

connectivit.& de*endencies 3etween VNFCs!

V7@ 7escri*tion+ VM s*eci0ication& re;uired storage and com*utation resources& initiation and

termination scri*ts& high ava'ia3i'it. redundanc. mode'& sca'eBout6in 'imits! )NF 7escri*tor+

re0erence to 'in, in0ormation& e/*osed e/terna' inter0aces& )NF addresses& )NF

status& s.stems su3scri3ed 0or noti0ications

%


10/14


ongoing wor,# ctd!#

Networ, Service Instance 7escri*tor+

Networ, service categor. & networ, attachment *oints& sca'ing

methodo'og. and *o'ic.& 'ist o0 S4A descri*tors& and monitoring

*arameter!

VNF Instance 7escri*tor+

VNF categor.& in0ormation on e/terna' connectivit.& sca'ing methodo'og.

and *o'ic.& 'ist o0 S4As& and the 'ist o0 monitoring *arameter!


11/14

VNF 7ESC5I)TO5 MO7E4 ongoing wor,#

???D


12/14

Current 7eve'o*ment in NFV MANO WG

NFV MANO WG recent'. deve'o*ed+ Networ, Service and VNF 'i0ec.'e management message 0'ows+

inc'uding on3oarding& instantiation& sca'ing and termination&

.et to do+ VNF Forwarding Gra*h 'i0ec.'e management

In0ormation e'ements 0or the entities VNF& VNFFG& NS and their

instances&

Current 0ocus is on NFV o*erationa' management+

Fau't and event management

*'anned+ ca*acit. *'anning& migration& etc!

)rovide ga* ana'.sis and recommendations to S7Os as we'' aso*en source organi(ations&

Co''a3oration 0or 0urther deve'o*ment in se'ected organi(ations

*'anned 3ased on a coo*eration on wor,ing grou* 'eve'!

GS: Group Specifcation


13/14

Time'ine 0or ETSI NFV Wor, )rogramme

Source+ ETSI NFV White )a*er 8

MANO WI

Sta3'e

7ra0t

MANO WI

Ear'.

7ra0t

??


14/14

5e0erences

)u3'ished E8E Arch& 5E& @se Case& Termino'og. documents inETSI NFV O*en Area+ htt*+66doc3o/!etsi!org6ISG6NFV6O*en6)u3'ished6

)u3'ished ETSI NFV white *a*er+ htt*+66*orta'!etsi!org6NFV6NFVBWhiteB)a*er!*d0

htt*+66*orta'!etsi!org6NFV6NFVBWhiteB)a*er8!*d0 ETSI mem3er area+

Current NFV MANO WG WI document+ 7GS6NFV-MANDD? ongoing

wor,# htt*+66doc3o/!etsi!org6ISG6NFV6MAN6D-75AFT6MAN?6NFV-MANDD?vDD??!(i*

ETSI NFV ISG *orta'+ htt*+66*orta'!etsi!org6*orta'6server!*t6communit.6NFV69=t3Id%

NFV MANO WG on ETSI *orta'+ htt*+66*orta'!etsi!org6*orta'6server!*t6communit.6NFV69=t3Id=

?8
http://docbox.etsi.org/ISG/NFV/Open/Published/http://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=796http://portal.etsi.org/NFV/NFV_White_Paper2.pdfhttp://docbox.etsi.org/ISG/NFV/MAN/70-DRAFT/MAN1/NFV-MAN001v0011.ziphttp://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=789http://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=796http://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=796http://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=789http://docbox.etsi.org/ISG/NFV/MAN/70-DRAFT/MAN1/NFV-MAN001v0011.ziphttp://portal.etsi.org/NFV/NFV_White_Paper2.pdfhttp://portal.etsi.org/portal/server.pt/community/NFV/367?tbId=796http://docbox.etsi.org/ISG/NFV/Open/Published/

slides-88-opsawg-6

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