Alcatel-Lucent 100 GbE User manual
- Category
- Networking
- Type
- User manual
Alcatel-Lucent 100 GbE is a high-speed networking solution designed for next-generation optical transport networks. It offers ultra-high capacity and spectral efficiency, enabling 100Gb/s transmissions over existing 10/40G DWDM systems. With advanced features like dispersion tolerance and polarization-division multiplexing, it ensures reliable data transmission even over long distances without the need for dispersion compensation units. Ideal for meeting the growing bandwidth demands of data centers, metro/core networks, and video streaming applications.
Alcatel-Lucent 100 GbE is a high-speed networking solution designed for next-generation optical transport networks. It offers ultra-high capacity and spectral efficiency, enabling 100Gb/s transmissions over existing 10/40G DWDM systems. With advanced features like dispersion tolerance and polarization-division multiplexing, it ensures reliable data transmission even over long distances without the need for dispersion compensation units. Ideal for meeting the growing bandwidth demands of data centers, metro/core networks, and video streaming applications.
Alcatel-Lucent Innovation Days – December 2008
Context
Modern telecommunication networks need to be built
with enormous traffic growth in mind. For example,
today some internet exchange nodes have annual
growth rates of more than 200% due to dramatic
increases in users coupled with the needs of enriched
data and broadband video services.
Accommodation of the global explosion in traffic
(Figure 1) can only be assured by implementation of
the most advanced high capacity optical metro/core
transport network technologies. Soon networks based
on next generation 40/100 Gigabit Ethernet (GbE)
transport technologies will predominate. They will be
based on standards currently under preparation by
several standards organisations (e.g. IEEE, ITU-T).
Figure 1: Technology roadmap of optical transport networks.
40/100GbE will be dominant technology within the next decade.
Alcatel-Lucent’s concepts and real-time trials
demonstrate 100Gbe’s graceful introduction and
evolution to meet operators’ future needs.
Challenges
To get from here to there, several challenges
associated with development and operation of ultra-
high speed components and systems for serial 100
Gbit/s optical transmission must be overcome:
• Stronger transmission signal impairments
associated with the upgrade of data rates,
due to chromatic dispersion (CD) and
polarization mode dispersion (PMD), must be
compensated or mitigated efficiently.
• Spectral efficiency must increase, enabling
100Gb/s transmissions over exsiting 10/40G
DWDM systems (50/100GHz channel spacing).
• Complex integrated circuits for digital signal
processing (DSP) and new very high-speed
components have to be developed using
state-of-the-art electronics and photonics.
Innovation
Alcatel-Lucent has developed 100 Gbe concepts,
shown prototypes and done field trials demonstrating
its expertise in addressing future requirements.
Dispersion tolerant serial Nx100Gb/s DWDM
transmission with high spectral efficiency
Figure 2 is a schematic of how high capacity
Nx100Gb/s optical transmission is feasible over long-
haul fiber links without dispersion compensation units
(DCU) using conventional 10Gb/s DWDM platforms
with narrow channel spacing (50GHz) corresponding
to a spectral efficiency of 2bit/s/Hz.
Figure 2: Nx100Gb/s Coherent PDM-QPSK DWDM transmission over
1200km laboratory fibre link.
Verizon 100G field trial with live traffic
Alcatel-Lucent, in a real-time field trial with Verizon
(Figure 3), proved a 100Gb/s channel carrying a HDTV
video signal can transmit parallel to existing live
traffic 10Gb/s DWDM channels.
10Mb/s
10Gb/s
1Gb/s
100Mb/s
100Gb/s
THE
ETHERNET
EVOLUTION
ROADMAP
(LAN/WAN)
100GbE
10GbE
1GbE
100MbE
10MbE
40GbE
DAT
A
RAT
2000
2010
1990
YEAR
40/100GbE will be
dominant transport
technology in next
generation optical
metro/core networks
A.O.
SSMF
Tunable
filter
x3
A.O.
100km
SSMF
SSMF
SSMF
100G
Coherent
RX
WSS
Optium
1
3
2x28Gbit/s
M wavelengths
QPSK
QPSK
2x28Gbit/s
Nx112Gbit/s
Switch
Fiber (dispersion, PMD)
A.O.
SSMF
Tunable
filter
x3
A.O.
100km
SSMF
SSMF
SSMF
100G
Coherent
RX
WSS
Optium
1
3
2x28Gbit/s
M wavelengths
QPSK
QPSK
2x28Gbit/s
Nx112Gbit/s
Switch
Fiber (dispersion, PMD)
Polarization Division Multiplexed
Quadrature Phase Shift Keying
Transmitter
100 Gigabit Ethernet (100 GbE)
Advanced Serial 100Gb/s Transmission Technology for Next Generation
Optical Transport Networks
Figure 3: Verizon 100Gb/s transmission trial over 500 km link.
In a trial in Germany (Figure 4) dense-wavelength-
division-multiplexed(DWDM) 100Gb/s channels were
sent efficiently over long-haul fiber infrastructure
exhibiting typical field transmission characteristics.
Figure 4: 8x100Gb/s NRZ-VSB DWDM transmission over 500km
installed field fiber with typical field transmission characteristics.
Scenario
A number of new broadband applications—HDTV
distribution, video downloading, data center content
delivery, etc.—are feeding continued traffic growth in
metro/core networks. Figure 5 shows actual (2008)
composition of network traffic. It illustrates that
broadband/video services (e.g. video distribution,
online video recording, YouTube, iPlayer...) already
dominate network traffic. Important future traffic
drivers will emerge from advanced applications like
telepresence and sensor networks. In other words,
we are only at the beginning of the expected
explosion in both underlying traffic and the need for
more bandwidth for sophisticated applications.
Figure 5: Actual composition of network traffic (2008)
Regardless of what the future may bring in terms of
new applications, the novel 100GbE-based transport
technology represents an important step towards
insuring the capacity and flexibility will be there to
accommodate overall traffic growth requirements.
The proof can already be seen in the pioneering
results on advanced 100Gb/s serial transmission
achieved by Bell Labs. This include records in high
capacity and spectral efficiency of Nx100Gb/s DWDM
transmission, and first real-time 100Gb/s field
transmission trials with live traffic.
BENEFIT:
Bell Lab’s expertise in 100Gb/s assures
that operators are ready for the coming explosion in
bandwidth-hungry applications and services.
Contact:
Gustav.Veith@alcatel-lucent.com
Sebastien.B[email protected]
winzer@alcatel-lucent.com
Optical Networks Domain
Alcatel-Lucent Bell Labs
Résumé:
Nous sommes à la veille d'une explosion des besoins en bande
passante, du fait de l'augmentation au niveau mondial du nombre
d'utilisateurs et du développement d'applications sophistiquées et
riches en contenus. Les systèmes 100 GbE constitueront
l'infrastructure dominante de prochaine génération qui sera
déployée pour faire face à cet accroissement. Les chercheurs
d’Alcatel-Lucent Bell Labs ont mis au point des concepts et réalisé
des essais en temps réel sur le terrain qui démontrent qu'ils
disposent de solides compétences dans le domaine de la
technologie 100 GbE. Grâce à ces compétences, ils permettent aux
opérateurs de se préparer efficacement afin de rester réactif, quelle
que soit l'évolution future du haut débit.
BB Internet/Residential Access
25%
27%
2%
11%
4%
2008
31%
Private Line
s
Voice
Video Distribution
BB Internet /SME Access
BB/Video
Live HDTV Video
Transmission over a
100Gb/s optical channel
on Verizon national video
service network
Darmstadt Ladenburg
Karlsruhe
8x107G TX
107G RX
Stuttgart
Opt.
PMDC
L = 79,7 km
L = 95.0 km
L = 75,4 km
Nx100G over 500 km DTAG field fiber link
Alcatel-Lucent Innovation Days – December 2008
-
1
-
2
-
3
Alcatel-Lucent 100 GbE User manual
- Category
- Networking
- Type
- User manual
Alcatel-Lucent 100 GbE is a high-speed networking solution designed for next-generation optical transport networks. It offers ultra-high capacity and spectral efficiency, enabling 100Gb/s transmissions over existing 10/40G DWDM systems. With advanced features like dispersion tolerance and polarization-division multiplexing, it ensures reliable data transmission even over long distances without the need for dispersion compensation units. Ideal for meeting the growing bandwidth demands of data centers, metro/core networks, and video streaming applications.
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