The Optical Reboot - ECOC Exhibition - Optical... · 1 | © 2013 Infinera The Optical Reboot...

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1 | © 2013 Infinera The Optical Reboot Radical Changes in Service Provider Transport Networks Chris Liou, Vice President, Network Strategy ECOC, September 2013

Transcript of The Optical Reboot - ECOC Exhibition - Optical... · 1 | © 2013 Infinera The Optical Reboot...

1 | © 2013 Infinera

The Optical Reboot Radical Changes in Service Provider Transport Networks

Chris Liou, Vice President, Network Strategy

ECOC, September 2013

2 | © 2013 Infinera

IP/MPLS

OTN, SDH/ SONET

DWDM ROADM

Status Quo in Networks No Longer Sustainable

Ro

ute

Sw

itch

Tr

ansp

ort

Service Provider Network

Broadband Users Data Center

Complex multi-layer ops ∑ (devices, connections, resources)

Elec

tro

ns

Ph

oto

ns

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Optical Network Choices Have Ripple Effects

Architectures have visible first-in costs

But also recurring costs lasting years Y1 Y2 Y3 Y4 Y5…..

One Time Capex: , Circuits, Packets→

Chassis/Modules

Opex: Power, Rack Space Planning, Provisioning, Troubleshooting Inventory, Upgrades…and dealing with churn

Total Cost of Ownership (TCO) Impacted by Technology &

Network Architecture….Must support future Services and Scale

On Going Capex: , Circuits, Packets →

Chassis/Modules

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2007

Optical Networks at an Inflection Point

2014 2020 2003

Traditional SONET/SDH Architecture

Convergence Multi-layer Switching

Scalability Super-channel Transmission

Automation Software Control Converged

Switching & WDM

100G → 500G → Terabit Intelligent Transport Network

Today, 10G Era is in decline 40G tapering, 100G takes off

Optical Reboot

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Innovations for Scalable Optics

Extended spectrum C Band

4.2 THz Extended C Band – Capacity increase

Flexible Grid Support

30-40% spectrum used for guard bands Gridless– Increase in usable amplifier spectrum

Flexible Coherent Modulation

Enhancing capacity to Tens of Terabits per fiber

16QAM QPSK BPSK

Multi-carrier Super-channels

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10 Lasers 40 Modulators 32 Gbaud electronics Photonic ICs (PICs) Time to Market: ~2 years

375 GHz 375 GHz

2 Lasers 8 modulators 160 Gbaud Electronics ~16nm Silicon

Time to Market: ~5-7 years

1 Tb/s PM-QPSK

375 GHz

1 Laser 4 modulators 320 Gbaud Electronics ~ 11 nm Silicon Time to Market: ~8-10 years

Moving to Multi-carrier Super-channels

C Band

Must be spectrally efficient, and possible to manufacture

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Coherent Super-Channel Tx circuit is complex

Coherent Super-Channel Rx circuit is even more complex

Unless…

Controlling the Component Explosion The Power of Large Scale Photonic IC (PIC)

Scale approximating Moore’s Law

Optical Functions Integrated >600

Fiber Connections Eliminated ~250

500G Capacity

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BPSK

+ Coherent Detection

1 bit per symbol

Enhanced Fiber Performance with Software-Selectable Coherent Modulation Techniques

QPSK 2 bits per symbol

16QAM 4 bit per symbol PM-16QAM

PM-QPSK

PM-BPSK

Capacity Reach

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1T PM-16QAM 5 carrier SC (200 GHz)

1T PM-QPSK 10 carrier SC (375GHz)

The Future of Wavelengths: Fixed Grid & OTN -> Flexible Grid & OTN

50GHz

100G PM-QPSK

SC DC

12.5GHz

Fixed 50GHz grid (ITU G.694.1) works well up to 100G • Compatible with legacy WSS ROADMs

• But 25% wasted spectrum due to guard bands

What about super-channels (e.g., 1Tb/s PM-QPSK)?

Flexible Grid enables 12.5GHz granularity & single pool of capacity

Driver for flexible OTN containerization & circuits (OTUadapt, ODUflex)

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Integrated OTN Switching is Essential Decoupling Services & Line Capacity

Bandwidth Virtualization

Integrated

OTN Switching

Super-Channel Line Card

Super-Channel Line Card

Super-Channel Line Card

500Gb/s PM-BPSK

1Tb/s PM-QPSK

1Tb/s 16QAM

Super-Channels can differ in capacity

Bandwidth services vary from 1GbE to >100GbE

Integrated switching & Bandwidth Virtualization essential • Manage BW services w/ switching, grooming & protection/restoration

• New capabilities warrants reassessment of IP network architecture

GbE

10GbE

100GbE

Next Gen

Clients Line

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Is the industry adopting OTN switching? Infonetics operators’ survey

Infonetics OTN, MPLS, and Control Plane Strategies: Global Service Provider Survey May 1, 2013

~90% plan to deploy integrated OTN/DWDM

Convergence

~95% will move to meshed transport networks

Topology

~70% will use OTN SMP (Shared Mesh Protection)

Protection

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What’s Next? Convergence of Wavelength, Circuit & Packet Transport

Circuit OTN

Switch

Wavelength WDM

Switching

Label Core

MPLS Switch

Bandwidth Virtualization

Next Gen POTN

Multi-layer switching on a single platform

Native MPLS switching

Digital OTN Switching

ROADM for filled wavelengths

Switching on discrete platforms

Convergence lowers costs, optimizes operations

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The Industry Move to Integrated MPLS/OTN Switching

Whitepaper, 2012

100G → 500G → Terabit

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Emergence of Transport SDN Network Programmability & Abstraction

Network Services Applications Multi-layer, Multi-vendor, Multi-domain

Carrier SDN Controller

Network Virtualization

IT/Cloud Orchestration

Business Applications

Other SDN Control Solutions

Application NBI

On-demand Bandwidth

Simplify/Automate Operations

Improve Resource Utilization

Speed New Service Deployment

SDN Control, Virtualization &

Applications

Data Center Converged P-OTN

Packet, OTN, Optics

evolution ONF OTWG OIF Carrier WG

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Multi-layer Automation for Intelligent Transport

SDN centralization approach facilitates orchestration across layers & domains

Enabler for multi-layer topology, path computation & provisioning control

SDN Multi-Layer Orchestration & Optimization

$,W

Router

Optics

Digital Switching

$$$,kW

Converged P-OTN Layer

IP/MPLS Layer

Analytics Provisioning

Network efficiently carries traffic at the most optimal layer.

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Radical Scale, Convergence and Automation

Flexible Coherent Super-channels

Extended C-Band, Flexible Grid

Integrated Switching of label, circuit, wavelength

Multi-layer software control

The Optical Reboot needs Intelligent Transport Networking

Rethinking the Network Core