Transcript Infinera PowerPoint Template - October 2011
Driving the Optical Reboot:
Technical Advances Towards Terabit Networking
Geoff Bennett
Director, Solutions & Technology
1 | Infinera Confidential & Proprietary
What is the “Optical Reboot”?
Coined by Andrew Schmitt from Infonetics • • Describes the
transformation
(as opposed to evolution) of optical transport networks in response to an exponential growth in demand Characteristics include: • The move to coherent transmission • The need for integrated OTN switching • The need for CDC ROADM technology • This will be the focus for my presentation The need for a dynamic control plane (eg. GMPLS) 2 | Infinera Confidential & Proprietary
Agenda
Coherent technologies enable 100Gb/s transmission, with outstanding
reach
and
spectral efficiency
But how do we continue to scale the
operational
aspects of coherent technology?
• Moving beyond 100Gb/s per channel • Coherent super-channels Engineering the “ideal super-channel” • • The move to multi-carrier The role of photonic integration 3 | Infinera Confidential & Proprietary
The “miracle” of coherent transmission
10Gb/s 80
per channel channels =
800Gb/s
A simple transmitter, and even simpler detector with no significant signal processing
100Gb/s
per channel
80
channels =
8Tb/s
A
complex
transmitter, and even
more complex very significant
detector with signal processing Tx Rx Modulator Photodetector Tx Rx 4 | Infinera Confidential & Proprietary
Internet demand is growing at 30-40% CAGR:
How do we go “Beyond 100G”?
100Gb/s Coherent Technology Today the opto electronics does not have the power to sample beyond about
32GBaud
Delivers 100Gb/s, single carrier, PM-QPSK with 3,000km reach Wait for the electronics to “catch up” Competitive disadvantage Use “higher order” modulation (eg. 16QAM) to take the load off the electronics
Complementary
16QAM is a “metro reach” modulation
techniques
Use multi-carrier super-channels Broad industry consensus that super-channels 5 | Infinera Confidential & Proprietary are the way forward for >100G
Moving to
multi-carrier
super-channels
Single Carrier
500Gb/s SC-PM-QPSK
Dual Carrier
500Gb/s DC-PM-QPSK
Ten Carrier
500Gb/s 10C-PM-QPSK 190 GHz 1 Laser 4 modulators
160
Gbaud Electronics
Time to Market: ~7 years
190 GHz 2 Lasers 8 modulators
80
Gbaud Electronics
Time to Market: ~5 years
190 GHz 10 Lasers 40 Modulators
16
GBaud electronics
Time to Market: NOW
Must be
spectrally efficient
, and
possible to manufacture
6 | Infinera Confidential & Proprietary
Controlling the “Component Explosion”:
The Power of Large Scale PICs
Coherent Super-Channel Tx circuit is complex Coherent Super-Channel Rx circuit is
even more complex
Unless… Optical Functions Integrated Fiber Connections Eliminated 7 | Infinera Confidential & Proprietary >600 ~250
PICs Deliver Massive Capacity:
With Lower Power and Space
Coherent (Electronics) Optical (Photonics) 500G Module Example
FlexCoherent™ Processor (FCP) 3 rd Gen 500G PIC .78W / Gbs Conventional Solution Coherent ASIC
8 | Infinera Confidential & Proprietary
3 rd party optics 2.8 W / Gbps
Infinera est. for currently avail. product operating at 25°C
PICs deliver performance without compromise
• • • Industry leading performance Peak PMD tolerance to 500ps Tolerant to high speed PMD transients – 10,000 rad/s + 500G Tx Module 500G Rx Module Rahn, J.; Sun, H.; Wu, K.T.; Basch, B.E. IEEE Journal of Lightwave Technology, 2012, Issue 99:
Real-Time PMD Tolerance Measurements of a PIC Based 500Gb/s Coherent Optical Modem
9 | Infinera Confidential & Proprietary
Scaling with FlexCoherent Super-Channels
Software Selectable Ability to optimize reach vs. capacity on a given link • Per super-channel modulation format control 6000
PM-QPSK PM-8QAM
3000 1500 700
PM-BPSK PM-16QAM
Reach Capacity Infinera: Leading the way forward in coherent technology 10 | Infinera Confidential & Proprietary
Without Super-Channels
The way 500Gb/s is brought into service today 100G Line Card 100G Line Card 100G Line Card 100G Line Card 100G Line Card Bulky Power-hungry Does not scale operationally 11 | Infinera Confidential & Proprietary
With Super-Channels
12 | Infinera Confidential & Proprietary A super-channel implements multiple carriers - ideally in a single line card… It’s
practical
to build… All carriers provisioned in
single operational cycle
… Line Card And is seen as a
single unit of capacity
by the services that use it It has excellent optical performance
Heavy Reading White Paper
Available free at : www.infinera.com/solutions/whitepapers.html
“As suppliers look to 100G and beyond, we are hearing an increasing consensus among them that the super-channel is the best solution.” “As we move to the 100G era and beyond, the use of photonic integration becomes more pervasive and, ultimately, mandatory.”
Sterling Perrin
Senior Analyst, Heavy Reading
13 | Infinera Confidential & Proprietary
The Submarine Networking Reboot:
Match Transmission Capacity to Useful Cable Life
Useful life of typical submarine cable
25-30 years
but…
30% CAGR for 25 years
>700 times increase
“Evolution” of the line system can only deliver a limited increase in capacity – to meet predicted demand increase, an “optical reboot” is essential Original submarine line system 14 | Infinera Confidential & Proprietary Phase 1 upgrade 2.5G->10G Phase 2 upgrade 10G – 100G
CANALINK Network Deployment
PENINSULA CT SEV-ADIF CT SEV-TELVENT
Phase 1
PIC-based line system delivers ~10X capacity increase
CT ROTA
LA BALLENA BMH CONIL BMH
CT JEREZ CT CONIL CT CALP
BAJAMAR BMH
LA PALMA
ASILAH BMH
CT GUIMAR CT GRANADILLA (NAP D-ALiX)
CANDELARIA BMH GRANADILLA BMH
CT NOBEL
TINOCA BMH
TENERIFE CT EL GORO
OJOS DE GARZA BMH
GRAN CANARIA MARRUECOS
15 | Infinera Confidential & Proprietary
Line System Upgrades are Growing Rapidly
40/100G Trials (Subset) S. America
>20,000km
Americas
>25,000km 16 | Infinera Confidential & Proprietary
Asia Regional
>16000km
Japan
450km
Mediterranean
>4000km
Pacific Coast
>7000km
Trans-Atlantic
>6000km
Trans-Atlantic
>13,000km
Middle East
>10,000km
NREN Backbone Reboot:
DANTE GEANT3
17 | Infinera Confidential & Proprietary
Infinera DTN-X
500G, PIC-based, super-channel line cards Up to 1Tb/s per slot in chassis 5Tb/s non-blocking OTN switch Evolution to MPLS-TP Up to 8Tb/s per fiber (C-Band)
Summary: What I talked about today
The optical reboot is about
revolution
, not
evolution
A move to coherent transmission produces at least a 10X improvement in spectral efficiency, and usually an improvement in optical reach Super-channels offer a way to scale network operations for coherent technologies • 5X or 10X the backbone capacity for the same operational effort Photonic integration is essential for the implementation of practical super-channels 18 | Infinera Confidential & Proprietary
Summary: What I
did not
talk about today
Integrated switching is vital part of the optical reboot • Essential for the efficient use of 100G and super-channel capacity • Enables effective control planes ROADM technology is in a state of flux today • • Ongoing challenge to deliver full CDC economically About to encounter the move from fixed grid to flexible grid Dynamic control planes drive down OpEx • But they require digital switching to work effectively • • GMPLS is the proven technology today SDN looks like it can solve several interesting problems, but is immature in the context of transport networks 19 | Infinera Confidential & Proprietary
Thank You
Geoff Bennett
20 | Infinera Confidential & Proprietary