Verizon Optical Network Strategic Visions Optical Network Strategy.pdf · Verizon Optical Network Strategic Vision Bill Uliasz Verizon – Core Network & Technology Director – Access

© Verizon 2007 – All Rights Reserved

Verizon Optical NetworkStrategic Vision

Bill UliaszVerizon – Core Network & Technology

Director – Access & Transport Network Architecture

February 25, 2008


2

Agenda

Drivers & StrategyMetro/Core Transport TransformationAccess

Core Extension - Network for NetworksFTTP

Optical Control Plane

3

Verizon’s Global Network

One of the Largest Wholly Owned Facilities-Based Networks in the World


4

0

100

200

300

400

500

600

700

Dec-00

Mar-01

Jun-01

Sep-01

Dec-01

Mar-02

Jun-02

Sep-02

Dec-02

Mar-03

Jun-03

Sep-03

Dec-03

Mar-04

Jun-04

Sep-04

Dec-04

Mar-05

Jun-05

Sep-05

Dec-05

NA

traf

fic v

olum

e (P

B/m

)

Traffic Growth

Streaming videoStreaming radio

Voice-over-IP

Web browsingHigh-speed access

Music downloads

Game playing

Source: Ovum-RHK2000 2005 2010

2000

1500

1000

500

0

Video downloads

PC adoption

Peta

byte

s/m

onth

• More Subscribers

• Higher Bandwidth Applicatio

ns

• Greater Concurre

ncy

• More “Access”

Broadcast video


5

Service Trends

New ServicesInnovation does not require network expertise

Voice

PSTN

Voice

Wireless

Voice

IP

Msg

PSTN

Msg

Wireless

Msg

IP

AccessVoice Msg Conf Video

Copper Wireless

IP

Access

Network

Service Orchestration

& Delivery

Applications (Services)new

Fiber

End to End Optical Network

Must Scale Optical Transport Network


6

Network Architecture Optical Strategy

Maintain high resiliency, low latency, and guaranteed service rates

Residential, Enterprise, Gov’t, Wholesale, and Vz Internal needs

Reduce O-E-O pointsWavelength (λ) Centric (Photonic) Network

From SONET and DWDM using point-to-point and small ringsTo ROADM mesh topologies – 4 and 8 Degree λ SwitchingPlatform Evolution and Convergence

Control Plane Enabled Dynamic NetworkScalable service rates for TDM, SAN, and IP servicesAutomated provisioning and dynamic bandwidth allocationsSTS-1 granularity for 50Mb to 1Gb/s and beyond


7

End-to-End All Optical Network

Metro/Core Transport TransformationPlatform Evolution w/ROADMs− Reconfigurable Optical Add/Drop Multiplexers (ROADM)− DWDM, SONET, Ethernet, and Packet

• Low Latency, High “QoS”, Efficient Processing, Common Platform

Wavelength Centric (Photonic) Network− Wavelength Switching & Optical Broadcast− 10G & 40G λ support, Tunable Optics, Rate Adaptive Clients,

Control Plane Enabled− Dynamic BBoD Services (50Mb/s to 1 Gb/s and beyond)

AccessCore Extension – Network “for” Network ConnectionsFTTP


8

Metro/Core Transport

Transformation


9

Transport Evolution – ROADM Node

Integrated Platform – WSS, Fabric, Client InterfacesWavelength Selectable Switch (WSS) Provides Multi-Degree Optical SwitchingTDM and Packet Aggregation via Hybrid Electrical Switch FabricTunable Optics and Rate Adaptive Client Ports

P-OTPNG-ADM & DWDMPre-2007 Builds

OTP

WDM

NG-ADM

NG-ADM

NG-ADM

I/O I/O

WSS ROADM

NG-ADM+

NG-ADM+

NG-ADM+

NG-ADM+

NG-ADM+ NG-ADM+

NG-ADM+

NG-ADM+

I/O I/O…

WSS ROADM

TDM

TDM

Packet

TDM

Packet

PoS

TDM

Hybrid Fabric

VCAT

PacketPacket

Packet – Optical Transport Platform


10

Transport Evolution – ROADM Network

• Previous Mode of Operation• Separate DWDM and SONET NEs –

Stacked “Networks”• DWDM supports ring and linear

configurations• Support for 16-32 λs @ 2.5G• Small Rings 4-5 Nodes• Fixed optics

• ROADM Mode of Operation• Wavelength Centric Mesh• λ Switching - 4 & 8 Degree• ADM-on-λ• Native & Switched Ethernet Capability• Support 44 & 88 λs @ 10G / 40G • λ Performance 1000+ Km

SONET Ring

DWDM Ring

SONET Network

Future Interconnection to Metro Ethernet

Network

SONET RING

SONET Network

Mesh Transport

P-OTP

ADM

DWDM


11

Metro Network Build Example

H6

ER2a ER2b

ER3a

ER3b

ER3cER3d

ER3e

ER3f

ER4aER4b

ER4c

ER4dER5a

ER5b

ER5c

ER5d

ER5e

ER6a

ER6b

ER6c

ER6d

ER7a

ER7b ER7c

ER7d

ER1a

ER1b

ER1cER1d

ER1e

ER1f

YR 1 – “Hub” Locations

ER3

ER4

ER5

ER6

ER1

ER7

ER2

Core Ring

YR 2 – Office Expansions

YR 3 – Office Expansions

Fiber glass-thru

Core Ring

ER#: Edge Rings

H5

H6

H4

H3 H2

H1

LCR1

VHO

ER1g

ER1h

ER1i

ER1jER1k

H

LCR2

ER6e

2

7 13

48 15 6

5

38

5

3 64

19

23810

9

611

6 418

7

18

11

459

13

19

14

7

11

3

17

3

1130

2

12

5

19

9

4

88

11

4 4 5

21

74

4

9

7

35

3

63

5 3

6

6

5

5

123

5

2

3 4

11622

9

4

8

4

35

33

7

2

23

5 53

3

13

8

53

2

1

32

47 3 4 4

54

19

19

23

211

1

2

8 4

4

H549 Miles .5db/mile

Edge Rings served from HubsER1: H6, LCR1

ER2: H1,H2

ER3: H1,H2

ER4, LCR2, H3

ER5: H4, LCR2

ER6: H5, H6

ER7: H6, LCR1


12

OC-192 Broadcast

Ring

OC-192 Data + VOD

Rings

OC-192 Broadcast

Ring

OC-192 Broadcast

Ring

OC-192 Broadcast

RingOC-192

BroadcastRing

OC-192 Data + VOD

Rings

OC-192 Data + VOD

Rings

OC-192 Data + VOD

RingsOC-192

VOD RingsOC-192

Data + VODRings

Hub

Data + VideoAggregation

Office

LCRVAR


Office


Office


Office


Office


Office

LCRVAR

“Pre-ROADM” Mode of Operation

Core DWDM ringSeparate networks to transport broadcast video and IP data/video-on-demandMultiple SONET Rings for VOD and Data to each VSOMultiple SONET Rings for broadcast video - VHO to VSOsLarge number of network elements including layered SONET Rings

VSOs

VSOs

LCR – LATA core router

VAR – Video aggregation router


13

ROADM Infrastructure (1)

Core Ring ConnectsLong-Haul POPsVHOLCRAggregation Offices

Edge Rings ServesVSOsBroadcast Video λVOD and Data Future VSOs passed w/ upgradeable Amplifiers

Creates Wavelength Centric Mesh Network

End Office

Amplifier

EdgeRing

EdgeRing

Data Hub

Office

Long Haul POP

AggregationOffice

Data Hub

Office

Aggregation& End Office

End Offices

End Offices

Core Ring

Video Hub

Office

Upgradeable Amps

Upgradeable Amps


14


Degrees & Spurs AddedCost effectiveNo additional switching componentsSingle and Dual hubbedAll λs Extended

Supports λ Services

EdgeRing

EdgeRing

EdgeRing

EdgeRing

EdgeRing

Data Hub

Office

Long Haul POP

AggregationOffice


AggregationOffice

Data Hub

Office


AggregationOffice


End Offices

End Offices

Video Hub

Office

Spurs

Spurs

Dual Hubbed

Spur

End Office

Amplifier

Core Ring

Static subtending ring

Fixed OADM

Spurs


15


Sub-Divide the Core2nd fiber path added to increase capacityInterconnect of data hubs doubles the capacity between the data hubs and end offices

Core Extended with Aggregation Offices

Redundant LH POPs

EdgeRing

EdgeRing

EdgeRing

EdgeRing

EdgeRing

Data Hub

Office

AggregationOffice


AggregationOffice

End Offices

End Offices

Core RingAggregation

Office

EdgeRing

AggregationOffice


EdgeRing

Spurs

Spurs

Dual Hubbed

Spur

End Office

Amplifier

Data Hub

Office


Long Haul POP

Long Haul POP

Video Hub

OfficeAggregation& End Office

AggregationOffice

Network Impact vs. Pre-ROADMTotal NEs from 160+ to 32Fiber Pairs from 20 to 6

Equipment space from 108 to 32 baysPower Delivery from 80 KW to 30 KW

Capacity From Yr 1 Exhaust to Multi-Yr GrowthCapital Savings 50-60+ %

(Common and Incremental)© Verizon 2007 – All Rights Reserved

16

Access


17

Access “Core Extension”

Integrated/Optimized CPESONET, TDM, OTNGigE Switch with uplinks 10/100Mb & GigE10GbE Switch with uplinks 10GbE or OTNGigE Switch with Circuit Emulation Service (CES) for DS1 or DS3Ethernet over PDH (nxDS1 or nxDS3)1GbE/10GbE/10G OTN Demarcation

Fiber Penetration Synergies w/FTTP Build

Integrated CPE

P-OTP

Ethernet linksTDM/SONET

Ethernet Switch CPE or Demarcation

Native Ethernet

10/100M, 1/10GbE

Ethernet over PDH CPE

Native SONET

OTN Demarcation

Wavelength Service

PDH

SONET OC-3 to OC-192

10/100M & GigE

Ethernet & TDM Emulation Services

Wavelength

SONET ADM and Ethernet Demarcation

Ethernet CPE with TDM CES

OC-3 to OC-192

ADM

P-OTPNetwork

OTU-1/2/3 (OTN)


18

Access FTTP Architecture

-

4,000

8,000

12,000

Mbp

s

Downstream 622 2,400 2,500 10,000

Upstream 155 1,200 2,500 10,000

BPON GPON WDMPON 2.5 WDMPON 10G

1490nm/1310nm, 1550nmVideo

Passive OpticalSplitter(1x32) ONT

4 x POTSEthernetVideo

Voicen x EthernetSpecialsVideo

Optical NetworkTerminal

ServiceNetworks

Data

Voice OLT(Optical

LineTerminal)

ONT

EDFA(Erbium DopedFiber Amplifier)

OpticalCouplers(WDM)

Video


Over 9M Homes Passed, YE 2007Target Is 18M By YE 2010 (3M / Year)GPON And More HDTV In 2007OSP PON Architecture Supports Evolution

EvolutionExamples



20


Goal: Evolve the static SONET/SDH and DWDM layers, of today, to a dynamic optical transport networkNetwork “aware” elements

Auto-discovery for inventoryAwareness of neighboring NEs, connection type and topology

Dynamic provisioning and service activationAutomate the end-to-end circuit routing/provisioning process

Create new services and revenue streamsDynamic Broadband Bandwidth on Demand (BBoD)Optical VPN Capabilities

Self-healing Auto protection and restoration

Examples of Control PlanePSTN -- SS7IP -- Datagram (TCP/IP), MPLSATM -- UNI, B-ICI, PNNI


21

Control Plane Architecture Framework

UNI – Demarcation between user and service providerUn-trusted interfaceSignaling only

E-NNI – Demarcation supporting cross-domain connectionIntra-carrier/Inter-domain (Trusted) or Inter-carrier (Un-trusted)Signaling with limited routing info exchanges

I-NNI – Intra-domain node-to-node interface to support control plane functions

Fully trustedSignaling Routing

UNI UNIE-NNI

Domain 1 Domain 2User 1 User 2

Domain 1 Domain 2

I-NNII-NNI


22

Real Time Dynamic Network ControlAuto-Discovery & Self-InventoryDynamic Provisioning & Service ActivationTraffic EngineeringProtection & Restoration

Fully Automated End-To-End Optical Network

Control Plane Enabled SONET Mesh

RouterOXC ROADM ADM

Router

Service Control Network

B-SCP

CC C C C C

Optical Transport NetworkRouter


SONET Mesh Network

23

Control Plane Enabled SONET Mesh

Lower CostBetter Utilization with Mesh vs. RingsImproved Survivability & ResiliencySimplified & Rapid Service Activation

NetworkGFP, VCAT and LCAS Full link diversity with best effort node diversityAccess to CP via GigE, OCn, …

Enhanced Services‘Just-in-Time’ Service Activation Dedicated Broadband Bandwidth on Demand (BBoD)STS-1 Granularity, BBoD scales from 50Mb/s to 10Gb/sProtection Choices – 1x0 Unprotected, 1+1 Protected, Dynamic Reroute, …Customer Portal for self-service

Edge Node

Control PlaneEnabled SONET Mesh

GMPLS

E-NNI

E-NNI

Edge Node

Edge Node

OC192


24

Control Plane Initiatives

Verizon Interoperability Forum (VIF)E-NNI, I-NNI, UNI Interface Testing− Driving Definitions & Implementation

OSS IntegrationService Formulation

VzBusiness Trans-Atlantic Mesh Network Control plane based protection & restoration capabilities

VzTelcom – Wholesale/Verizon Partner Solutions (VPS) Deployment for JiT

Just-In-Time (JiT) provisioning trial in New York City concluded successfully in 2006 JiT service rollout in NYC in 2007Implement CP in metro SONET network for JiT


25

Verizon’s End-to-End All Optical Network

Embraces EvolutionVerizon Interoperability Forum (VIF) reduces time to marketWavelength Centric Network, WSS/ROADM, P-OTP, …Driving towards 40G applications and 100G introduction

Becomes DynamicControl Plane Enabled (Topology, Element And Capacity Aware)Routing, Bandwidth Allocation, And Protection/Restoration Functional

Remains “X”ableAccessible (Protocol Agnostic, Industry Based Interfaces) Scalable (Nodes, Rates, Ports, Bandwidth, …) Predictable (Throughput, Latency, ...)Reliable/Survivable (Protected: Node, Link, Route, Port, Service, …)


Residential, Enterprise, Government, Wholesale, and Internal needs

26

Thank You!


27

Access – FTTP Architecture

Power &

Battery

Data

POTS

OLT

Internet

Video

Super Head End

Broadcast VideoServices

SER

VideoHub

Office

VerizonIP

Network

Interactive VideoServices

VoiceNetwork

Local CO(Video Serving Office)

Medium HaulOptical Transport

Long HaulOptical Transport

ONT


Verizon Optical Network Strategic Visions Optical Network Strategy.pdf · Verizon Optical Network Strategic Vision Bill Uliasz Verizon – Core Network & Technology Director – Access

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