Migrating Networks
to the IP Era:
Multi-Degree Optical
Infrastructure
NAB 2007
Emanuel Nachum
Telecom@NAB2007
Vice President, Americas Marketing
Wednesday, April 18, 2007
11:00 a.m. – 11:20 a.m.
Outline
Market trends overview
Multi-Degree service aware optics
Technological enablers
Advanced optics
10-Degree ROADM
All-Range Optics
Summary
2
Market Trends Driving Evolution
Business
Residential
Mobile
Metro
Transport
Metro TLS
Private Line
Point-to-point Data
High Speed Internet
PSTN
Scalable, reliable
extension of the Enterprise
E-LINE, E-LAN
IP-VPNs
3play services
HSI
VoIP
IPTV
2G / 2.5G
UMTS
GPRS
Broadband-enabled mobile
3G+
EUTRAN
HSPA
SONET/SDH
Ethernet + WDM
Converged Packet + Optical Transport
3
The Forces Driving WDM Evolution
Higher bandwidth
driven by 3-play+,
Enterprise and WL
applications
New
technologies:
ROADM, 40G…
High speed
interfaces (10GigE,
40G, 100GigE)
introduced by Data
equipment
Need for NG WDM
Limited flexibility,
costly
maintenance
OTN, ASTN,
GMPLS
Standards
Complicated
operation with
manual
intervention
4
Multiple technologies
WDM Evolution
Switched OTN
40G
Multi-degree ROADM
Carrier Ethernet
Multiservice
10G
Single technology
OADM ring
PtP, 2.5G
1995
2000
2005
2008
5
Multi-Degree Optical Convergence
SONET
⇒
/ SDH
Ethernet
⇐ MPLS
Multi-degree ROADM
(Metro, Regional, C/DWDM)
Built on multi-degree ROADM platform
All-range optics
Ability to add Ethernet (L2, MPLS) or SONET
Migration to OTN-based payload and O&M
6
Technological Enablers are Here!
Goals:
CAPEX saving
Means:
Longer reach
Fewer regens
Bigger capacity
OPEX saving
High QoS
Time to Market
Simple planning and
installation
Simple OA&M
End-to-end
management
Transparency
Resiliency
ROADM and Tunability
Service transparency
ROADM
Planning tools
TCM
Tunable lasers
40G
Automatic network setup
PM
Sub-λ grooming
FEC
Auto discovery
Restoration and CoS
Simplified λ
provisioning
Sub-λ grooming
Automatic power balancing
Automatic power
balancing
Automatic provisioning
Amplifiers:
Flexibility
Quick response
Key enabling features and
technologies
VGA, Raman
Transceivers:
Pluggables, advanced
modulations
In band management
photonic
digital
control
7
Maturity of ROADMs
Wavelength Selective Switch
3rd Gen
ROADM
Multi-Port
Wavelength
Switch
Tap
Line n
Line 1
Combiner
Drop
Each drop line can be any number
and combination of channels
Line n
Line 1
Add
Wavelength Blocker
Wavelength
Blocker
Tap
Tap
DEMUX
MUX
Ch n
Ch 1
2nd Gen
ROADM
Ch 1
Drop
Ch n
Add
Demux Switch Mux
MUX
DEMUX
Switch
Drop
1st Gen
ROADM
Add
Ch 1
Ch n
8
Multi-Degree Attribute
WSS ROADM
Ten Degrees
mλ
OADM
Two Degrees
nλ
mλ
λ1
Mux / Demux
One Degree
mλ
• •
nλ
oλ
pλ
qλ
rλ
sλ
tλ uλ
vλ
λn
λ1
•
•
λn
9
10-Degree ROADM - Lower Cost of Ownership
Any
AnyWavelengths
Wavelengthsto
toAny
AnyPort
Port ==Ultimate
UltimateFlexibility
Flexibility
Multi-port Wavelength Switch
East
1
2
3
4
5
6
7
8
“Add” Ports
1
2
3
4
5
6
West
7
8
10
10-Degree ROADM – Service Agility
Any
AnyWavelengths
Wavelengthsto
toAny
AnyPort
Port ==Colorless
Colorless
Multi-port Wavelength Switch
East
1
2
3
4
5
6
7
8
West
“Add” Ports
1
2
3
4
5
6
7
8
11
10-Degree ROADM – Easy Expansion
WSS
WSSEnables
Enables Multi-degree
Multi-degreeApplications
Applications
Multi-port Wavelength Switch
East
1
2
3
4
5
6
East
7
8
West
Subnetwork 1
West
“Add” Ports
1
2
East
3
4
5
6
7
8
West
Subnetwork 2
12
Example: Multi-Degree Flexibility
Site 1
Site y
Site a
Site 2
Subtend
Ring
Site 4
Backbone
Ring
Access
Ring
Site b
Site x
Site 3
Provides rapid turn up of new wavelengths and sites
Allows efficient creation of access/subtended WDM
rings off backbone network
Does not require back to back DWDM nodes
13
10-Degree ROADM – More Competitive
Core Ring
10λ
λ Subnetwork
10λ
λ Subnetwork
10λ
λ Add / Drop
Traditional DWDM
3 Shelves
Multi-Degree ROADM
Versus
1 Shelf
50 Transponders
10 Transponders
42 Fiber Cables
32 Fiber Cables
14
ROADM Network Cost Comparison
16-node DWDM network w/ 3 multi-degree hubs
$5,000,000
$4,500,000
$4,000,000
ROADM
16% savings at Fixed Max
$3,500,000
$3,000,000
ROADM @ 1λ
First Costs 7% higher
$2,500,000
ROADM
20% more capacity
$2,000,000
$1,500,000
$1,000,000
$500,000
Crossover point
4 wavelengths
$-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
Fixed OADM
WSS ROADM
15
Total ROADM Solution
Multi-degree ROADM
WSS ROADM
Comprehensive λ provisioning and management
Link by link automatic power balancing
Tunable lasers for 10G and 2.5G (40G)
Higher dispersion tolerance, EFEC,
ROADM-optimized amplifiers: powerful, low-noise, flat
Increases number of nodes supported and network reach
The perfect solution for ILA node upgradeable to ROADM
Logical function like a single two-staged EDFA
ROADM
ROADM
East
West
16
All Range Optics – Cost Effective Expansion
Regional non-regen DWDM links up to 2000km
XDM-40
NG DWDM Technologies
• WSS ROADM
• Dual stage EDFA
• RAMAN
XDM-40
XDM-2000
XDM-2000
CWDM links up to 80km
Metro
DWDM
Networks
XDM-100
XDM-2000
XDM-2000
XDM-2000
Festoon DWDM links up to 300km
Integrated MSPP
• 120G matrix
• DS3 to OC192
• Layer 2 switching
17
OTN Services Access to Core
Unified OTN solution from access to core
End-to-end ODU Performance Monitoring
Seamless GbE connectivity
No back-to-back OEOs or CWDM-DWDM connections
18
Multi-Degree Optics Delivers Better IP
10-Degree ROADM
Metro/Regional
NG-SONET
Switch
Packet
Switch
DWDM
Transponders
Combiners
19
Thank You
Emanuel.Nachum@ecitele.com