7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 1/26
… what buyers need to understand… what providers need to communicate
Optimizing Ethernet deployments
David Noguer
Optical Ethernet - Product [email protected]
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 2/26
2
Topics for discussion
• Architecture options
• VPN/EVC Ethernet Virtual Connection! separation
• The role of the "N#
• Co$/%o$
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 3/26
3
&etro Accessand Aggregation
Ubiuit!
"#ailabilit!
$ensit!
&etro Accessand Aggregation
Ethernet switch$%&' "(M' )P' ($M
$e#ices with Ethernet Uplinks
&etroEdge
Metro
*outers+%witches
&etro Ethernet Architecture
&etroCore
,ati#e EthernetO#er %onet+%$
O#er $$M/01bsNet &gmt
$vc &gmt
Traffic Engineering
&etroCore
%caleable
*eliable
(raic Engineering
&etro
Edge
$istributed %witching
4entrali5ed *outing
Manageable
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 4/26
6
% i n %
% i n %
&P'$&P'$
"(PE"(PE N(PEN(PE
CustomerCustomerPrem AccessPrem Access
&etro Ethernet&etro EthernetAccess/AggregationAccess/Aggregation &etro Core&etro Core )AN)AN
*uilding *loc+s for the #nfrastructure
%in%%in%
Or Or
&in&&in& &P'$Net,or+s
PEPE
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 5/26
7
-.ms Ethernet-.ms EthernetAccess ingAccess ing
% i n %
% i n %
%in%%in%
Or Or
&in&&in& &P'$&P'$
"(PE"(PE N(PEN(PE
CustomerCustomerPrem AccessPrem Access
&etro Ethernet&etro EthernetAccess/AggregationAccess/Aggregation &etro Core&etro Core )AN)AN
Solution depends upon network architecture, location andSolution depends upon network architecture, location anddensity of enterprise customersdensity of enterprise customers
*uilding *loc+s for the #nfrastructure
& i n &
& i n &
%in%%in%
Or Or
&in&&in& &P'$Net,or+s
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 6/26
8
*uilding *loc+s0 1ocus on Access
Customer
Premises
CPE
EthernetCO/POP
Access
Aggregator
*ac+2one
Edge
Device
NT"
Ethernet #ntelligence
• $ome Ethernet capa2ilities ( 3Ethernet #ntelligence4 ( can 2e
distri2uted 2et,een NT" and access aggregator/edge device
• (raic tagging and+or re-tagging including 9&", stacking• :ueuing and bandwidth management
• O"M' alarms and ault notiication' diagnostics
• Optional interworking
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 7/26
;
1i2er
52E!
1Gbps
Copper
1!bps
Point-to-Point
Copper Drop
Point-to-Point
Fiber Drop
1i2er
1 !bit/s
1i2er
52E!
1Gbps
Point-to-Multipoint
Ethernet PON
1i2er
52E!
1Gbps
1i2er
Shared bw
Point-to-Point
Fiber
1i2er
1Gbps
Ethernet in the 1irst &ile
Architectures
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 8/26
<
Topics for discussion
• Architecture options
• VPN/EVC Ethernet Virtual Connection! separation
• The role of the "N#
• Co$/%o$
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 9/26
/0
• (wo primar! models=
• - )EEE;02./ad %in% >%tacked 9&",?• - )EEE;02./ah &in& >ackbone Pro#ider ridge?
EVC separation introduction
EnterpriseEthernet
header
"ser
data
%in%
V'AN #Ds
• V'AN #Ds sac+ed one 2efore the other • Ena2les duplicate V'AN #Ds in su2
fields
EnterpriseEthernet
header
"ser
data
$P Ethernetheader
&in&
• $P Ethernet header contains $rc and
Dest &AC address used to transport
pac+et across service provider6s
net,or+• Ena2les duplicate V'AN #Ds in
Enterprise header
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 10/26
//
&in& principles
$ite 7
$ite 8
$ervice Provider
&etro Ethernet
net,or+
Ethernet
$,itches
Enterprise
Ethernet
header
"ser
data$P Ethernet
header
Ethernet
pac+et arrives
from enterprise
CPE node at $P
ingress s,itch
Ethernet"N#
source!
$P #ngress s,itch
adds $P Ethernetheader
$rc and Dest &AC
addresses are
Ethernet "N# ports
Ethernet
"N#
destination!
Ethernet pac+et
s,itched across
the $ervice
Provider net,or+using details in $P
Ethernet header
$P Egress s,itch
removes $P
Ethernet header
And for,ardsoriginal Ethernet
pac+et to end
customer CPE
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 11/26
/2
Customer
Ethernet
1rame
&ac in &ac data plane frame format
$P &ACDA
$P &AC$A
ET9.:;<..
$P %(tag<
ET9&i&
$erviceTag
CustomerEthernet1rame
$P 1C$
$estination M"4 address• ) destination unknown' then
0ABBBBBB
%ource M"4 address
P-
bits
4
B)
(unnel )$
>CCC?
*eser#ed
P(
%er#ice )$>DDD?
$P =eader
$P Payload
< <>?
< >@
Buture
1rowth.
9endor
speciic
ields.
Pa!load (!pe
>data or control?
ET0 EthertypeCT#0 Canonical 1ield #dentifier
(raic Management
E94 )$
/8M
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 12/26
/3
EnterpriseCPE
EnterpriseCPE
Carrier
Access CarrierAccess
CarrierCoreCarrierCore
a<2<
%in% principles
2<a< %
2<a< % %
2<a< % % % 2<a< % % %
2<a< % %
2<a< %
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 13/26
/6
% in % data frame format
C(&AC DA
C(&AC $A
C Tag
C(Payload
C(1C$
P V'AN #D
P(Ethertype
P(V'AN
Co$
P C1#
$ Tag
Customer original Tag
SP CoS
SP EVC ID4096
Customer internal MAC
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 14/26
/8
Topics for discussion
• Architecture options
VPN/EVC Ethernet Virtual Connection! separation
• The role of the "N#
• Co$/%o$
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 15/26
/
Ethernet "N#
• $ecure separation and privacy
• 4ustomer traic is identiied and marked
immediatel! upon entr!
• $ervice delineation
• $emarcation point pro#ides ser#ice multipleAing
onto a single ph!sical link
• E94 End Point
• $cala2ility B $u2scri2er &ultiple:ing
• )EEE ;02./ad stacked ./ tags
• )EEE ;02./ah Mac in Mac encapsulation
• Ethernet 'in+ 'evel $ecurity• ;02./A %ubscriber "uthentication
• Traffic prioritization / *and,idth control
• Enables dierentiated ser#ices
Customer
Data
Customer
Data
Provider Tag
Provider Tag
Customer
Data
Customer
Data
Provider
Edge
Device
&AN
Net,or+
"N# "N#
$u2 >$u2 <
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 16/26
/;
"N# $ervice Attri2utes$ervice Attri2ute$ervice Attri2ute $ervice Attri2ute Parameters$ervice Attri2ute Parameters
U,) )dentiier " string used to identit! o a U,)' e.g.' ,D4ldg/2*m/02%lot22Port3
Ph!sical Medium %tandard Ethernet PD
%peed /0 Mbps' /00 Mbps' / 1bps or /0 1bps
Mode Bull $upleA or "uto negotiation
M"4 &a!er )EEE ;02.3-2002
%er#ice MultipleAing Des or ,o. $eines whether multiple ser#ices can be on the U,)
U,) E94 )$ " string used identi! an E94' e.g.' ,D4ldg/*m/02%lot22Port3E943
4E-9&", )$ + E94 Map Mapping table o customer 9&", )$s to E94
MaA. ,umber o E94s (he maAimum number o E94s allowed per U,)
undling,o or Des. %peciies that one or more customer 9&", )$s are mapped to anE94 at the U,)
"ll to One undling ,o or Des >all customer 9&", )$s are mapped to an E94 at the U,)?.
)ngress andwidth Proile Per)ngress U,)
,one or F4)*' 4%' E)*' E%G. (his andwidth proile applies to all ramesacross the U,).
)ngress andwidth Proile PerE94
,one or F4)*' 4%' E)*' E%G. (his andwidth proile applies to all rameso#er particular E94.
)ngress andwidth Proile Per4o% )$
,one or F4)*' 4%' E)*' E%G. (his andwidth proile applies to all ramesmarked with a particular 4o% )$ o#er an E94.
&a!er 2 4ontrol Protocol$iscard' Peer or Pass to E94 er rotocol
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 17/26
/<
EVC $ervice Attri2utes
$ervice Attri2ute$ervice Attri2ute $ervice Attri2ute Parameters$ervice Attri2ute ParametersE94 (!pe Point-to-Point or Multipoint-to-Multipoint
U,) &ist " list o U,)s >identiied #ia the U,) )dentiier ser#ice attribute? used withthe E94
4E-9&", )$Preser#ation
Des or ,o. %peciies whether customer 9&", )$ is preser#ed or not.
4E-9&", 4o%Preser#ation
Des or ,o. %peciies whether customer 9&", 4o% >;02./p? is preser#edor not.
Unicast %er#iceBrame $eli#er!
%peciies whether unicast rames are $iscarded' $eli#eredUnconditionall! or $eli#ered 4onditionall!
Multicast %er#ice
Brame $eli#er!
%peciies whether multicast rames are $iscarded' $eli#ered
Unconditionall! or $eli#ered 4onditionall!
roadcast %er#iceBrame $eli#er!
%peciies whether broadcast rames are $iscarded' $eli#eredUnconditionall! or $eli#ered 4onditionall!
&a!er 2 4ontrolProtocol Processing
$iscard or (unnel per protocol
%er#ice Perormance %peciies the Brame $ela!' Brame Hitter and Brame &oss per E94 orrames within an E94 identiied #ia their 4E-9&", 4o% >;02./p? #alue
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 18/26
20
CO/POP
Terminating Ethernet $ervices at
the Customer Premises
End-to-end 4ontrol
Customer Premises
CPEEthernet
NT"
*ac+2one
Edge
Device
• Ena2les control and uality assurance up to the carrier demarcation
point at customer premises
• Control of 2oth access path and customer euipment connectivity
• Traffic management priority support policing shaping!
• End(to(end %o$/$'A assurance
• Optional legacy user interfaces TD& voice!
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 19/26
2/
Topics for discussion
• Architecture options
•VPN/EVC Ethernet Virtual Connection! separation
• The role of the "N#
• Co$/%o$
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 20/26
22
%o$ 'ayers
• %o$ can 2e vie,ed through a 3layered4 approach• rom the ph!sical la!er to applications
• Different forms of %o$ apply at each layer • to create the end-to-end ser#ice
Application(signaled%o$ $#P/$DP =?>?
#P %o$ #P Differentiated $ervices Diff$erv!
Net,or+(signaled %o$ AT& PNN# &P'$ $VP(TE or C('DP
Traffic Engineered Paths AT& PVCs &P'$ E('$Ps and '('$Ps
'in+ 'ayer %o$Ethernet ;.><p V'ANs AT& PPP &P'$ E7P
DOC$#$ 1rame elay ;.><<e )'AN %o$Physical 'ayer %o$
s Virtual Circuits VCs! Ports 1reuencies % o
$ & o n i t o r i n g a n d
& e a s u r e m e n t
No single technology provides end(to(end %o$
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 21/26
23
End(to(End E>E! %o$ E:ample
• E>E %o$ achieved through many different
technologies• $i%er#' MP&%' Ethernet ;02./p' *%9P-(E' $O4%)%
Physical 'ayer %o$
B Port Prioritization
OE &AN
'>Ethernet$,itch
'?Ethernet$,itch
'in+ 'ayer %o$ B
Ethernet ;.><p
Net,or+(signaled%o$ B $VP(TE
OE$,itch
Traffic EngineeredPaths ( &P'$
C&T$
Ca2le&odem
'in+ 'ayer %o$ B DOC$#$
%o$ &onitoring / &easurement
#P %o$ ( Diff$erv
Ca2leAccess
Provider
)hich %o$ technologies should you useF
=o, to you offer an end(to(end serviceF
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 22/26
26
Ethernet $'As
• &any Enterprise customers ,ill not move to
metro Ethernet services unless0
• (here are %&"s with perormance assurances
• (here is a#ailabilit! o ser#ice to all critical locations
• $uch enterprises ,ill 2uild private net,or+s
• Critical $'A $ervice Attri2utes
• andwidth Proile
• %er#ice Perormance
Enterprise customers reuire Co$(2ased $'As ,ithservice performance assurances
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 23/26
27
$ervice Performance %o$!
defined in &E1 -
• $ervice Performance Parameters• Brame $ela!• Brame Hitter
• Brame &oss
• $ervice performance level to deliverydetermined via0
• Per 4o% )$' e.g.' ;02./p user priorit! per E94• Per U,) >port?' i.e.' / 4o% or all E94s at U,)
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 24/26
28
E:ample Co$(2ased &etro Ethernet $'A
• E('ine $ervice
• @ Classes of $ervice
• Co$ determined via ;.><p Co$ #D
• Common type of $'A used ,ith
Co$(2ased #P VPNs
$ervice$erviceClassClass $ervice Characteristics$ervice Characteristics Co$ #DCo$ #D *and,idth Profile per*and,idth Profile per
EVC per Co$ #DEVC per Co$ #D$ervice$ervice
PerformancePerformance
Premium eal(time #P telephony or #Pvideo applications G
C# H .E# 9 .
Delay I -msJitter I <ms
'oss I ...<K
$ilver
*ursty mission critical data
applications reuiring lo,loss and delay eg $torage! @ -
C# H .
E# L "N# $peed
Delay I -ms
Jitter 9 N/$'oss I ..<K
*ronze*ursty data applicationsreuiring 2and,idthassurances
? @C# H .E# L "N# $peed
Delay I <-msJitter 9 N/$'oss I .<K
$tandard *est effort service . < >C#9.E#9"N# speed
Delay I ?.msJitter 9 N/$'oss I .-K
7/18/2019 iir-mef-barcelona-11-04-optimizing-me-deployments.ppt
http://slidepdf.com/reader/full/iir-mef-barcelona-11-04-optimizing-me-deploymentsppt 25/26
2
#n conclusion
• &any different architectures for Ethernet in the
&etro
• VPN separation has to 2e carefully considered
and 2e 2ased on reuirements
• "N# provides clear separation 2et,een
enterprise and service provider
• Co$/%o$ is a must for enterprise to ta+e up a&etro Ethernet service