Upload
patrick-wells
View
215
Download
0
Embed Size (px)
Citation preview
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 1/35
MEF 35: Service OAM PerformanceMonitoringImplementation Agreement
July 202
Intro!ucing t"eSpeci#cation$ of t"e MEF
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 2/35
Outline
• Approve! MEF Speci#cation$
• %"i$ Pre$entation
• A&out t"i$ Speci#cation
• Overvie' – Maintenance Entities
• PM Solution$
• PM (on$i!eration$
• Summary
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 3/35
Specifcation
Description
MEF 2 Requirements and Framework or Ethernet Service Protection
MEF 3 ircuit Emu!ation Service Defnitions" Framework and Requirements in MetroEthernet #etworks
MEF $ Metro Ethernet #etwork %rchitecture Framework Part 1& 'eneric Framework
MEF ()1 Metro Ethernet Services Defnitions Phase 2
MEF *)1 EMS+#MS ,normation Mode! Phase 2MEF - ,mp!ementation %.reement or the Emu!ation o PD/ ircuits over Metro
Ethernet #etworks
MEF 0 %stract est Suite or Ethernet Services at the #,
MEF 14)2 Ethernet Services %ttriutes Phase 2
MEF 11 ser #etwork ,nterace 5#,6 Requirements and Framework
MEF 12)1 Metro Ethernet #etwork %rchitecture Framework Part 2& Ethernet Services7a8er
MEF 13 ser #etwork ,nterace 5#,6 8pe 1 ,mp!ementation %.reement
MEF 1$ %stract est Suite or ra9c Mana.ement Phase 1
MEF 1: Requirements or Mana.ement o Metro Ethernet Phase 1 #etwork E!ements
MEF 1( Ethernet 7oca! Mana.ement ,nterace
Speci#cation$*
;urrent at time o pu!ication) See MEF we site or o9cia! current !ist" minor updates and superseded work 5such as MEF 1and MEF :6
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 4/35
Speci#cation$
Specifcation
Description
MEF 1* Service <%M Framework and Requirements
MEF 1- %stract est Suite or ircuit Emu!ation Services
MEF 10 %stract est Suite or #, 8pe 1
MEF 24 ser #etwork ,nterace 5#,6 8pe 2 ,mp!ementation %.reement
MEF 21 %stract est Suite or #, 8pe 2 Part 1& 7ink <%M
MEF 22)1 Moi!e =ackhau! ,mp!ementation %.reement Phase 2MEF 23)1 !ass o Service ,mp!ementation %.reement Phase 2
MEF 2$ %stract est Suite or #, 8pe 2 Part 2& E+7M,
MEF 2: %stract est Suite or #, 8pe 2 Part 3& Service <%M
MEF 2()1 E>terna! #etwork #etwork ,nterace 5E##,6 ? Phase 2
MEF 2*
%stract est Suite For #, 8pe 2 Part :& Enhanced #, %ttriutes @ Part (&
72P /and!in.
MEF 2-E>terna! #etwork #etwork ,nterace 5E##,6 Support or #, unne! %ccess andAirtua! #,
MEF 20 Ethernet Services onstructs
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 5/35
Speci#cation$
Specifcation Description
MEF 34 Service <%M Fau!t Mana.ement ,mp!ementation %.reementMEF 31 Service <%M Fau!t Mana.ement Defnition o Mana.ed <Cects
MEF 32 Requirements or Service Protection %cross E>terna! ,nteraces
MEF 33 Ethernet %ccess Services Defnition
MEF 3$ %stract est Suite or Ethernet %ccess Services
MEF 35 Service OAM Performance Monitoring Implementation Agreement
MEF 3( Service <%M S#MP M,= or Perormance Monitorin.
MEF 3* %stract est Suite or E##,
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 6/35
Overvie'
Stan!ar!i+e!Service$
Purpo$e
%n ,mp!ementation %.reement 5,%6 which provides orService <perations" %dministration" and Maintenance5S<%M6 that satisfes and e>tends the PerormanceMonitorin. 5PM6 ramework and requirements descriedin MEF 1*)
Au!ience
%!!" since it provides the undamenta!s required to de!iverarrier Ethernet services)
Service OAM Performance MonitoringImplementation Agreement
MEF 35
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 8/35
A&out MEF 35
• Purpo$e: – his presentation is an introduction to MEF 3: ? Service
<%M Perormance Monitorin. ,mp!ementation%.reement
• Au!ience – Aendors ui!din. devices supportin. <%M unctions or
arrier Ethernet Services
– Service Providers de!iverin. arrier Ethernet Services
• Ot"er ,ocument$ – MEF 1* ? Service <%M Framework and Requirements
–
MEF 34 ? Service <%M Fau!t Mana.ement,mp!ementation %.reement
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 9/35
Service OAM
• MEF - provi!e$ t"e frame'or. – Re!evant or Suscriers 5customers6" <perators and
Service Providers
• Fault Management IA /MEF 30 – FM o MEF Services – Specifes prof!e o protoco!s defned in ,EEE -42)1a. and
,+ )1*31 – Provides asic S<%M architecture and requirements or
each o the recommended ME's
• Performance Management IA /MEF 35 – PM o MEF Services
– Specifes prof!e o protoco!s defned in ,+ )1*31• 1elate! or.
– M,=s 5S#MP6 or FM and PM covered in MEF 31 and MEF3(
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 10/351
Performance management i$ a critical part of acircuit$ lifecycle
SOAM
et'or. Management
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 12/351
Intro!ucing MEF 35
•
%"e pre$entation i$ organi+e!into t"e follo'ing $ection$: – <verview
• Maintenance Entities
– PM So!utions – PM onsiderations
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 13/351
Performance Monitoring
•
6a$e! on I%78% 9-3• Protocol$ or Performance
Monitoring mec"ani$m$ – Frame De!a8
– Frame De!a8 Ran.e
– ,nter+Frame De!a8 Aariation
– Frame 7oss Ratio
– %vai!ai!it8
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 14/351
Operator
,omain
(u$tomer ,omain
Provi!er,omain
Operator 2,omain
(u$tomer
(u$tomer
ServiceProvi!er
;ierarc"ical OAM ,omain$
/ierarchica! maintenance domainsind <%M ows @ <%M responsii!ities
#,#, E##,
PE PE<perator 1#etwork
<perator 2#etwork
#,D #,D
Ethernet Airtua!onnection
(u$tomer
,omain
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 15/351
%erminology an! (oncept$
• MEF 35 &uil!$ upon MEF - an! MEF 30
!e#ne! SOAM component$ inclu!ing: – Maintenance Entit8 5ME6
– Maintenance Entit8 'roup 5ME'6
– ME' End Point 5MEP6
–
ME' ,ntermediate Point 5M,P6 – ME' 7eve!
– ME' !ass o Service 5oS6
• MEF 30 an! MEF 35 are &a$e! onterminology foun! in I%7 9-3
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 16/351
,efault ME< 4evel 7$age
• %"i$ i$ t"e complete $et of !efault ME<level$
• ot all ME< level$ are re=uire! in every
application
,efaultME<4evel
(:$
321
)))))))))) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 17/351
>ey Maintenance Entity <roup$ /ME<$
ME< Sugge$te! 7$e ,efault,irectio
n forMEP$
,efaultME<
4evel
SuscrierME'
Suscrier monitorin. o anEthernet service
p orDown
(
est ME' Service Provider iso!ation o
suscrier reported pro!ems
Down :
EA ME' Service Provider monitorin. oprovided service
p $
ServiceProvider ME'
Service Provider Monitorin. oService Provider network
p 3
<perator ME' #etwork <perator monitorin. otheir portion o a network
p 2
#, ME' Service Provider monitorin. o a#,
Down 1
E##, ME' #etwork <peratorsG monitorin. oan E##,
Down 1
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 18/35
1
MEP %erminology
• 7p MEP$ are po$itione! to'ar! t"e MA( 1elay – Processes the <%M tra9c that comes throu.h the M% Re!a8
• ,o'n MEP$ are po$itione! to'ar! t"e 4A – Processes tra9c that enters the Switch rom the 7%#
PortFiltering
PortFiltering
FrameFiltering
Port Port 2
p MEP
Down MEP
M% Re!a8
S e e , E E E
- 4 2 ) 1 H
+ 2 4 1
1
F i . u
r e 2 2 + $
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 19/35
1
ME< En! Point /MEP
ME< En! Point ? MEP
• SOAM point$ a$$ociate! 'it" a $ingle ME<level /an! a $ingle Maintenance ,omain
• (an generate an! re$pon! to SOAMprotocol$
• 7p MEP$ are oriente! to'ar! t"e MA(
1elay /non8#lle! triangle• ,o'n MEP$ are oriente! to'ar! t"e
net'or. /#lle! triangle
ME'
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 20/35
2
Orientation
• ,o'n MEP 8 i$ a MEP re$i!ing in a 6ri!ge t"at receive$ SOAM P,7$ from@an! tran$mit$ t"em to'ar!$@ t"e !irection of t"e 4A ote t"at in t"e MEF$ervice mo!el@ t"e 4A i$ a tran$mi$$ion facility in t"e egre$$ !irection@rat"er t"an to'ar!$ t"e 6ri!ge 1elay Entity
• 7p MEP 8 i$ a MEP re$i!ing in a 6ri!ge t"at tran$mit$ SOAM P,7$ to'ar!$@an! receive$ t"em from@ t"e !irection of t"e 6ri!ge 1elay Entity ote t"atin t"e MEF $ervice mo!el@ t"e 6ri!ge 1elay Entity it$elf i$ out of $cope
• A given ME< can &e terminate! &y eit"er 7p or ,o'n MEP$
• 7p MEP$ are t"e mo$t commonly u$e! MEP an! are recommen!e! for t"efollo'ing ME< level$: E(@ Service Provi!er@ Operator an! optionally t"eSu&$cri&er
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 21/35
2
/MIP
ME< Interme!iate Point ? MIP
• SOAM point$ a$$ociate! 'it" a $ingle ME<level /an! a $ingle Maintenance ,omain
• (an re$pon! to SOAM protocol$@ &ut cannotgenerate re=ue$t$
• ,e#ne! to &e locate! at EBternal Interface$
$uc" a$ EI$ /or 7I$ In practice canal$o &e u$e! in a!!itional internal operatorlocation$ '"ere monitoring i$ !e$ire!
M,P
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 23/35
2
PM Solution (omponent$
• SOAM PM
IAFocu$e!on t"eet'or.Element
4ayer• A PM
Solutioni$ ma!eup of one
or morePMFunction$
l i
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 24/35
2
PM Solution$
• %"ere are t"ree PM Solution$ !e#ne!@eac" 'it" !iCerent c"aracteri$tic$
• A PM Solution u$e$ PM Function$ '"ic"u$e t"e PM tool$ !e#ne! in I%78% 9-3
PMSolution
ME<%ype/$
Mea$urement%ec"ni=uefor 4o$$
PM Function/$ Man!atoryor
OptionalPM+1 point+to+point
mu!tipointS8nthetic estin.
Sin.!e+Ended De!a8Sin.!e+Ended S8nthetic
7oss
Mandator8
PM+2 point+to+pointmu!tipoint
nIa Dua!+Ended De!a8
<ptiona!
PM+3 point+to+point ountin. Service Frames Sin.!e+Ended Service
7oss
<ptiona!
PM Function ITU-T PM Tool ITU-T PDU(s)
Single-Ended Delay ITU-T Two-way ETH-DM DMM/DMR
Dual-Ended Delay ITU-T One-way ETH-DM 1DM
Single-Ended Service Loss ITU-T Single-Ended ETH-LM LMM/LMR
Single-Ended Syntetic Loss ITU-T Single-Ended ETH-SLM SLM/SLR
Si l E ! ! F i
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 27/35
2
PM Solution$
• PM8 – Sin.!e+Ended Point+to+Point or Mu!tipoint De!a8 and
S8nthetic 7oss
– Sin.!e+Ended unctions send messa.es rom aontro!!er MEP to a Responder MEP which responds
ack to the ontro!!er MEP – Metrics o!!ected
• <ne+wa8 Frame De!a8
• <ne+wa8 Mean Frame De!a8
• <ne+wa8 Frame De!a8 Ran.e
• ,nter+Frame De!a8 Aariation• <ne+wa8 Frame 7oss Ratio
• %vai!ai!it8 or an EA or <A
• Resi!ienc8+re!ated metrics or EA or <A
PM S l ti / ti !
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 28/35
2
PM Solution$ /continue!
• PM82 – Dua!+Ended Point+to+Point or Mu!tipoint De!a8
– Dua!+Ended unctions send measurements rom a ontro!!erMEP to a Sink MEP where the ca!cu!ations are made
– Metrics o!!ected• <ne+wa8 Frame De!a8
• <ne+wa8 Mean Frame De!a8• <ne+wa8 Frame De!a8 Ran.e
• ,nter+Frame De!a8 Aariation
• PM83 – Sin.!e+Ended Service 7oss Measurement
– his so!ution uses the service tra9c instead o s8nthetictra9c
– Metrics o!!ected• <ne+wa8 Frame 7oss Ratio
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 30/35
3
Single8En!e! Synt"etic 4o$$ Mea$urement
• S4M Me$$age create! at t"e (ontroller MEP /at MEP8A – est,D is in the PD to diJerentiate
– Source MEP ,D
– Aa!ue o !oca! counter 5at MEP+%6 containin. the numer o S7M messa.essent
• S41 Me$$age i$ create! at t"e 1e$pon!er MEP /at MEP86 – Received counts are copied
– 7oca! counter o received S7M messa.es are sent ack to the ontro!!erMEP
• Frame 4o$$ i$ calculate! at t"e (ontroller MEP
E##,
#,#,
#,D+% #,D+=
<perator 25<<F operator6<perator 15Service Provider6
S7M
S7RMEP+% MEP+=
S7M
S7R
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 32/35
3
1elate! Speci#cation$
• MEF 35 $ection D li$t$ a full li$t of
relate! MEF $peci#cation$• MEF 30 SOAM FM
• MEF 3 SOAM FM MI6
•
MEF 3D SOAM PM MI6• I%78% 9-3
• MEF - SOAM re=uirement$ an!frame'or.$ p"a$e
• MEF 2 (arrier Et"ernet et'or.Arc"itecture Part 2 ? E%; Service4ayer
Fi l !
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 33/35
3
Final or!
• Service OAM –
,n the conte>t o MEF 3:" mechanisms are defned thatsupport service+!eve! <%M in ME#s)
• eBt Action$
– Read the MEF 3: specifcation
– Read the MEF 34 specifcation
– Read ,EEE -42)1H+2411 c!auses 1-" 10" 20" 21" and 22
– Read ,+ )1*31
– Review o MEF 1*" MEF 14 and MEF 1: ma8 a!so e he!pu!
–
nderstand the principa! service <%M components andcapai!ities
– Review a!so MEF 3(" MEF 31 and MEF 12)1 specifcation
F F ll , t il
8/9/2019 MEF 35
http://slidepdf.com/reader/full/mef-35 34/35
33
For Full ,etail$
Plea$e vi$it'''metroet"ernetforumorg Select Information (enter on4eft avigation to acce$$ t"e
full $peci#cation an! eBtracte!MI6 #le$
arrier Ethernet
#etwork
7I
7I
(E
(E
(E
(arrierEt"ernet 20
EP4 Service$
7I
(arrier Et"ernet 20EP84A Service
,SP P<P
,nternet
7I
7I
(E
(E
(E
7I
arrier Ethernet#etwork
E(: Ethernet Airtua! onnection
7I: ser #etwork ,nterace) theph8sica! demarcation pointetween the responsii!it8 o theService Provider andthe responsii!it8 o the End+serISuscrier
(E ustomer Equipment
E84A Service
type
E84ine Servicetype