The Optical Reboot - ECOC Exhibition - Optical... · 1 | © 2013 Infinera The Optical Reboot...
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
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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
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Thank You [email protected] www.infinera.com