TOWARDS AUTONOMOUS PACKET-OPTICAL...
Transcript of TOWARDS AUTONOMOUS PACKET-OPTICAL...
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TOWARDS AUTONOMOUS PACKET-OPTICAL
NETWORKS Jonathan Homa
ECI Telecom
Jan Radil
CESNET
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2 ECI Proprietary 2
Make a virtue
of necessity
Necessity is the
mother of invention
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NECESSITY: OVERCOME PHYSICAL LIMITATIONS
ON FIBER OPTIC BANDWIDTH
GROWTH
3 ECI Proprietary 3
● Now operating at the Shannon Limit
● Transmission needs to choose:
● Faster and shorter
● Longer and slower
● Forces new approaches to
increase capacity Distance
Capacity
(speed)
Shannon
Limit
Prior to reaching the Shannon limit
optical transmission could be
optimized to go faster and further
Pre -
Shannon
Limit
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INVENTION: REAL TIME MULTI LAYER
OPTIMIZATION
4 ECI Proprietary 4
● Advanced algorithms
+ ● Real time control
+ ● Agile packet-optical
transport technologies
Flexible
Spectrum
Adaptive
Rate TX
OTN
Switching
CDC-F
ROADMs
Flexible
Ethernet
Packet
Switching
Elastic (agile)
packet-optical
network
ODUflex
• Real-time E2E control
• Optimized algorithms
• Open source & interfaces
Real-time
OSNR L0-L1
L1-L2
L2-L3
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ECI Proprietary 5
AGILE PACKET-OPTICAL TRANSPORT TECHNOLOGIES
Technology Optimize Fiber
Capacity
Create Complex
Services
L2-L3 Packet Switching Statistical multiplexing Policy management
L1-L2
Flex Ethernet Match bandwidth of Ethernet
client and network interfaces Ethernet client choice
OTN w/ ODUflex
OTN Switching Maximize fill (grooming)
Bandwidth on Demand
Dynamic service restoration L0-L1
CDC ROADMs Multivariate optimization:
• signal (coding)
• channel (filter width)
• optical path
Flexible Spectrum
Agile Transceivers
Real time OSNR
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VIRTUE: COMPLEX MULTI-TIER
BANDWIDTH SERVICES
6 ECI Proprietary 6
● Creates user choice
● Maximizes revenues
● Relies on resource
sharing
● User experience
similar to ordering
cloud services 1
2
3 5
7
10
Gbps
Service Envelope
Selector
Committed
Information
Rate
Excess
Information
Rate
Speed Selector
1.75
1.25
Gbps
Immediate
1 Minute
CIR Protection
1.00
0.25
Gbps
1 Hour 0.50
Port 1 Port 2
Ports Selector
5 Madison Ave, NY, NY, 3rd floor 125 Morris Ave, Hoboken, NJ
Estimated Turn-up
Time 3.0 hours
Cost $175 /day
Outputs after playing with selector controls
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Madrid to Moscow 4177
London to Berlin 1100
Naples to Milan 775
Adaptive performance
Software selectable clients
Flex grid
Low power
2U solution
400G 2 x 200G
DP-16QAM
200G 2 x 100G DP-QPSK
7 7
BUILDING BLOCK – ADAPTIVE RATE 400G
ECI Proprietary
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8
Over to
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CESNET INTRODUCTION
The e-infrastructure provider in the
Czech Republic for research,
education, and science since 1996
24 public and 2 state universities,
54 Academy of Sciences research
institutes
Advanced DWDM optical and
IP/MPLS infrastructure connected to
GÉANT and GLIF
6400 Km of fibres (100G DWDM)
Cross border fibres connecting
Austria, Slovakia, Poland
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SUPPORTS A BROAD SET OF APPLICATIONS
Speed-Capacity
(less sensitive to jitter or latency)
Stability
(low jitter,
low latency)
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HIGH STABILITY
High speeds cannot solve all challenges.
New applications like Accurate Time Transfer
or Ultra Stable Frequency Transfer are here
CESNET service to connect and compare
atomic clocks in Praha and Wien
CESNET service to monitor stability of
containment of a reactor pressure vessel in the
Temelín nuclear power plant
Remote control of instruments like telescopes
Essentially Alien wavelengths
Low and stable jitter and latency are the key
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SPEED + LOW LATENCY
Example: Real time music collaboration
Miami Brno Brno – Miami
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ACHIEVING HIGHER speeds
Demonstrated interoperability between
ECI Apollo with 400G flex-grid blade and
Czech Light® open DWDM system:
2000 km
DP-16QAM 200 Gb/s signals
for 20 years of CESNET
High bit rate traffic easily transported as
Alien Wavelengths over the CESNET
production network.
Verified coherent and legacy amplitude-
modulated signals in mixed networking
environments.
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CESNET-ECI DEMO AT TNC PRAGUE 2016
400G demo
New and traditional
applications working
seamlessly in a single fiber
Accurate time
Stable frequency
High definition video
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15
Back to
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ECI 200G FLEX GRID
PERFORMANCE
ECI Proprietary 16
● Tested by Telecom Italia
● 4 x 37.5GHz super-channel for
effective 800G!
● 8 flex grid WSS cascade
● Results
● Strong system performance
(OSNR, Flex-grid cascading)
● Easy configuration & control
200G
200G
200G
200G
800G flex grid super-channel
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17 ECI Proprietary 17
RECAP: ITS ALL ABOUT
MULTILAYER
OPTIMIZATION
● Capex savings up to 25%
versus “layer at a time”
approach
● Basis for complex services
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18 ECI Proprietary 18
ALGORITHMS MATTER
● Multiple optimizations
● Lowest first cost
● Survivability
● Multivariate
● Within each layer
● Between layers
● Algorithms are a
source of value
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19 ECI Proprietary 19
ULTIMATE GOAL –
AUTONOMOUS
NETWORKS
● Self organizing (like SON
mobile networks)
● Service aware
● Peak efficiency
● Highest levels of Capex
and Opex savings
Need more raw
capacity in sector 9.
Issue PO.
400G blade
en route!
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ECI Proprietary 20
A NEW PARADIGM
Classic SDN
Decision making Human
Analytics Reports
Algorithms Recommend action
Dynamic restoration Predetermined or Best Effort
Multitier bandwidth services Initial stages
Incremental revenues $
Capex/Opex savings $
Autonomous Networks
Machine
Feed algorithms
Take action
Fluid
Central concept
$$
$$
Tig
htly C
ouple
d
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ECI Proprietary 21
STAYING AHEAD OF THE CURVE
Classic
SDN
Autonomous
Packet-Optical
Networks
Time
Benefits
TODAY
Multilayer
optimization of
agile packet-
optical
technologies
TOMORROW
Jump S-Curves
and remove the
driver from the
car to maximize
responsiveness
and savings
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THANK YOU.