Teknovus Next Generation Access Architecture NGAA

8/4/2019 Teknovus Next Generation Access Architecture NGAA

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N ex t Gene ra t ion Ac cess A r ch it e c tu re (N GA 2)

-Evo lu t ion and Con vergence –

June 3 -4 , 200 9

NG N Fo rum , Ta i pe i

Teknovus Copyright 2009



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EPON & E t he rne t E vo lu t ion – A S t anda rd Pe rsp e ct iv e

EPON Evo l ves to Becoming “Ca r r i e r G rade P2M P E the rne t “

Enterprise-grade

2 Teknovus Copyright 2009



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End - t o -end E the rne t is t he Na tu r a l Evo lu t i onfo r a N ex t Gene ra t ion N e tw ork

OLT802.3x

Ethernet

Optical“Backplane” ONU

ONU

10/100/1,000 Mbps

10/100 Mbps

10/100/1,000 Mbps

Ethernet10/100/1,000/10,000 Mbps

Subscriber devicesare Ethernet-based

Application devicesare Ethernet-based EPON: Distributed Ethernet Switch

with an Optical Backplane

+ EPON (20M subscriber) maturity = interoperability, hundreds of 4th /5th-generation products, sophisticated traffic management capabilities

+ 10G EPON = backwards/forwards compatibility and next-generation

bandwidth handlingTeknovus Copyright 20093



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Acce ss Ne tw ork Today

Pa ra l le l A c ce ss Ne tw orks w i th La rge Me t r o Back bone

National IP Network

Metro Backbone

GE

AggregationSwitch

2 x GE

GE

GE

VODServ

er

TVHeade

nd

VOD

Control

3rd Party ISP

VODServ

er

VODServ

er

POP

B-RAS

Router

Internet

EPONEFM

EPON

100BaseFX

EPON

GEGE

GE

GE

Mobilebackhaul

with leaseline

Large Bizservice

FTTH/MDUResidential service

xDSLResidential service

FTTH/MDUResidential service




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EPON A c ces s Ne tw o r k Evo lu t ion – A Ne tw o r k Pe r spe ct iv e

EPON Evo l ve s to Becom ing “An U n i f ied Acce ss Techno logy “ &

Sm a l l er (o r d i sappea r i ng ) M e t ro Backbone

Edge Core

ProviderRouter

MPLS/IP

ProviderBSR/Edge

Router

OLT as Access Edge:• EPON aggregation

• Ethernet Switching and aggregation

High subscriber

density and service

diversity

High Switching

capacity and TM

capability

3/4G Node

DSLAM/MDU

SMB

SOHOFTTH

Large Biz

Medium Biz

1G/2GEPON

10GEPON




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Requ i r emen t an d Techno l og ie s f o r NGA 2

High port density, high split ratioStrong TM, MDU solution

10K to 60K(10X DSL)

10M to 100M(10X DSL)

10GEPONHigh switching capacity, Strong TM

Higher subscriber Density

Increased Subscriber BW

Radius 20km to 30km+(10X DSL) Extended or Long reachLarge Geographical Area

MEF 9/14/18 certificationEPL, EVPL, ELAN support,end-to-end Ethernet

Diverse Services / Ethernet

Frequency sync: +/-100ppb to +/- 50ppbPhase: +/- 5us to +/- 1.25us

1PPS, 8KHz, ToD transport overEPONPWE3 for TDM transport over EPON

Transport of Tight Timing

High reliability, Performance

and Fault management Protection switchingoptical monitoringCarrier Grade

per sub and per Mbpscost, network maintenanceand monitoring

Mature standard, mature IOP,strong Eco-system, EPON/GPONconvergence

Low OpEx and CapEx

No fork-lift upgrade,backward compatibility,strong technology roadmap

1G/2G/10GEPON and convergencewith XG-PON1

Investment Protection

Stringent SLArequirement and diversetypes of SLAs



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N G A 2 OLT capac i t y Requ i remen t and charac te r i s t ic s

7

OLT

Configurations

1G PON

ports

10GEPON

ports (100%

for MDU)

FTTH

(64)/MDU ratio

(256 for

1GEPON, 512

for 10GEPON)

Total subscribers Total Bandwidth to

the switching fabric

Total inputs to the

switching fabric

Configuration 1 96 0 10%/90% 22732 96GbpsX2 96




EPON significantly expand the

geographically coverageHigh sub density in domestic

cities

Increase the number of

subscribers served by OLT by atleast a factor of 10

Typical 2 to 4 10GE uplinks

Such OLT will have an

oversubscription ratio between 5:1

to 20:1

Such OLT must be TM enabled to

handle service flows and

subscriber pipes




N G A 2 OLT capac i t y Requ i remen t and charac te r i s t ic s

8

ISP

NGA2 OLTMust process service flow

and subscriber pipe

ER/BRASMust process IPflow and policyenforcement

IP flow

(service

instances)

Service

flow(service

Classes)

Subscriber

pipe

OLT

Configurations

1G

PON

ports

10GEPON

ports

(100% for

MDU)

FTTH

(64)/MDU

ratio (256 for

1GEPON, 512

for 10GEPON)

Total

subscribers

Number of

queues

(4 queues per

subscriber)

Configuration 1 96 0 10%/90% 22732 90928

Configuration 2 64 16 20%/80% 22118 88472

Configuration 3 32 32 40%/60% 22118 88472

Configuration 4 0 48 0%/100% 24576 98304




N G A 2 OLT As Tra ff ic M anagem en t Edge

Service Velocity000’s subscriber

pipes0,000’s service class

flows

Bandwidth Velocitysubscriber

densityper sub

bandwidth

TDM, Voice,Data

00’s Gbps 0’s Gbps

Residential

Business

Mobile

TDM, Voice,

Various Data

video, Voice,

H/L Data

ServiceDiversity

OLT as first bandwidth

congestion point

Must isolate and

protect each subscriber

and service class flow

with strong TM

Such scalability requires distributed TM




N G A 2 O LT D e sig n P ar ad ig m - D u m b L C/ I n te ll ig en t S C

10

EPON

MAC

VLAN

Processing

Backplane IF

Backplane IF

TM

Uplink IFTMTM

TM

Switching

fabric

Data HDR

EPON Line Card (LC)

Switch and Uplink Card (SC)

200G to 1T switching

capacity80K to 100K queuesMassively parallel

header processing




N G A 2 OL T De si gn P a rad igm – Du m b L C / I n t el li ge n t S C

11

Chip Description Sample Switching

capacity

Sample Queuing capacity

24Gbps Ethernet Packet

processor

24Gbps

2X10G + 24 GEs

Limited

Bandwidth Management

engine

20G to 1.2Tbps Manages multiple Queuing

Engine chips

Queuing engine N/A Can manage up to 16K

queues

16 COS; up to 512MB buffer

Switching engine 40 by 40 cross

point switch

Integrated switching and

Traffic manager

20G Per flow queuing

Engineers800M

transistors

>100

DevelopmentInvestment

5Years

Patents

>40Processor20MPPS

128K queues

X = +

Use of off-shelf commercial

chipset1) Separate Queuing

Engine, BW manager,

Switch Fabric chips

2) Expensive solution

Use of in-house purpose built

ASIC

1) Not every company can build

this technically

2) Huge development effort

3) Very Expensive

Clearly neither

solution is ideal




N G A 2 OLT De s ign Pa r ad igm - I n t e l l ig en t LC / Dum b SC

12

LUE and

Classificat

ion

EPON

MAC

QueuingTraffic

shaping/rate

limiting and

discardVLAN

Processing

Scheduling

Backplane IF

Backplane IF

Uplink IFSwitching

fabric

Data HDR

EPON Line Card (LC)

Switch and Uplink Card (SC)

200G to 1T switchingcapacity




M app i ng Fun c t ion s in t o De si gn s – 3 Ch i p s

13

LUE and

Classificat

ion

EPON

MAC

Queuing

Traffic

shaping/rate

limiting and

discardVLAN

Processing

Scheduling

Backplane IF

Backplane IF

Data HDR

EPON Line Card (LC)

Packet Memory

Expensive

NP or FPGA

QE-2000

Off-shelf TM Chip

Off-shelf

802.3ah

EPON MAC




M app i ng Fun c t ion s in t o De si gn s – 2 Ch i p s

14

LUE and

Classificat

ion

EPON

MAC

Queuing

Traffic

shaping/rate

limiting and

discardVLAN

Processing

Scheduling

Backplane IF

Backplane IF

Data HDR

EPON Line Card (LC)

Packet Memory

ExpensiveNP or FPGA

Off-shelf

802.3ah EPONMAC with TM




M app i ng Fun c t ion s in t o De si gn s – 1 Ch i p

15

LUE and

Classificat

ion

EPON

MAC

Queuing

Traffic

shaping/rate

limiting and

discardVLAN

Processing

Scheduling

Backplane IF

Backplane IF

Data HDR

EPON Line Card (LC)

Packet Memory

Single chip – TK3723

Off-shelf 802.3ah EPON

MAC with TM & FlexibleVLAN Support




xP ON Evo l u ti on : F r om F r agmen ta t i on t o Conve rgence

1.25 Gb/sEPON

ATM

BPON

2.5 Gb/s

EPON

2.5 Gb/s

GPON

10 Gb/sEPON

100% Ethernet

Seamless Migration

100% EthernetSeamless Migration

New Protocol -

Forklift Upgrade?

Or will there be another

Forklift upgrade

for 10G GPON ?

2.5G is a

Differentiator

Disruption of Services &Network Management.

802.3ah EPON

ITU-T GPON

X

X

622 Mb/s 1.25 Gb/s 2.5 Gb/s 10Gb/s

Speed

S u p p

o r t

f o r A d v a n c e d

S e r v i c e s

16Teknovus Copyright 2009



EP O N M a tu r i t y- 1 0 G is 5 th-Gene ra t ion EPON

1st

(1Gbps w/ FE)

2nd

(1Gbps w/ GE)

4th

(incl.2.5Gbps)

5th

(10Gbps)EPON chipsetgenerations

3rd

EPON solutiongenerations

1st

(1Gbps w/ FE)

2nd

(1Gbps w/ GE)

4th

(incl.2.5Gbps)

5th

(10Gbp

3rd

2nd and 3rd generations were critical period

for: adapting to mass market deployment,

achieving cost reduction, interoperability,

and broad CPE type availability

17

802.3ahstandard

completed

Commercialsystem

interoperabilityachieved

EPONcommercial

deployment

1M commercialsubscribers

10Mcommercial

subscribers

20Mcommercial

subscribers

200820072006200520042001 2009

IEEE 802.3ahstandardcommitteeformed

2003

Commercialchipset IOPachieved

EPON10Gstandardcomplete,compatible1G and 2G

10G

commercialdeployment(planned)

10G standardscommitteeformed

36 months

2010




Tim e f o r Conve rgence ?

802.3ahstandard

completed

Commercialsystem

interoperabilityachieved

EPONcommercial

deployment

1M commercialsubscribers

10Mcommercial

subscribers

20Mcommercial

subscribers

200820072006200520042001 2009

IEEE 802.3ahstandardcommitteeformed

2003

Commercialchipset IOPachieved

FSAN ratificationof GPON

standard

GPON commercialdeployment

Commercialsystem IOP

(planned)

EPON10Gstandardcomplete,compatible1G and 2G

10G

commercialdeployment(planned)

10G standardscommitteeformed

36 months

ITU G984standard

completed

GPON

10G standardscommittee(tbd?)

36 months

18

2010




19

Convergen ce - I TU P r opo sa l t o I EEE

Leverage maturityof 10G EPON

Standard

Convergence

would allow HWcompatibility with

existing,commercial EPON

deployments




Conve rg ed EPON and GP ON a t 1 0G Speed

* Frank Effenberger, Huawei, Geneva, Joint ITU-T/IEEE Workshop, June, 2008

Conve rgence A l l ow s a s ing le so lu t ion fo r as ing le p rob lem


Consolidated Volume, lower costSame PMD – Same OpticsSame PCS – Same SerDesHarmonized MAC – Same MAC

IC

Separate Management PlaneGPON OMCI can be tunneled inextensible EPON OAM



Teknovu s K e y Ca rr ie r C la s s Te chno l ogy R oadmap

2008 2011

1/2009 1/2010 1/2011

•Traffic Management

•Optical Monitoring

•1PPS/8KHz/ToD

transport

Speed, Density, Capacity

C a r r i e r G r a d e

F e a t u r e s

21

•Protection Switching

•MEF Compliance

•DOCSIS Over EPON

•802.1ag/Y.1731 Ethernet OAM

•MDU Solution

• 10GEPON

• High Density EPON

• 10GEPON and

XG-PON

Convergence*

* Currently being proposed by ITU-T SG15/Q2 and GPON Vendors. Teknovus is actively participating.




Te k n ov us 1 G / 2 G / 1 0 G P r od u ct R oad m ap

TK4701 10G ONU

TK4702 10G ONU

TK3718 MDU ONU

TK3788 8x OLT

TK4721 10G OLT

TK3714 ONU

TK3715 ONU (China)

TK3723 2x OLT

3 Generations of Siliconin Production

Next Generation EPON Silicon

TK3713 ONU

TK3721 OLTTK3701 ONU

TK3717 ONU

TK3716 ONU

TK2701 Burst SerDes

2006 2007 2008

2009 & 2010

Optical LineTerminal (OLT)

ON U

ON U

ON U

EPON ODN

1G EPON 2.5G EPON

10G EPON




Thank You

23 T k C i ht 2009

Teknovus Next Generation Access Architecture NGAA

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