1. Internet 3 Optimizing Optical Networks with Multi-Haul Networks
December 7th, 2006
Roy Bowcutt
This slide set provides an overview of ADVA Optical Networking:
Mission, market, growth drivers, our ADVAntage, customer base, FSP portfolio and value proposition, sales distribution strategy.
Roy Bowcutt

2. Outline Traditional WDM systems and real networks
Technology applied in real networks
Optimizing networks with multi-haul designs
Intelligent Integration using an intelligent control plane

3. Traditional Network Segmentation
Networking Solutions Optimized for Each Segment (Access, Metro, Regional, and Long Haul)
Technologies Targeted for One or Two Networking Segments
Network Management Systems, Provisioning Operations, and Organizational Structures built around Segmented Networks

4. WDM Network Categories
Long Haul
Regional
Metropolitan
Access
Cost
Capacity
Distance
>800 km
<800 km
+80 l 10G
+40 l 40G
<400 km
40 l 10G (2.5G)
<100 km
20 l 10G + 2.5G
$$$$$
$$$
<8 l 2.5G $$ $
Increased Network Cost
WDM systems are typically optimized for a given application

5. WDM Network Segmentation
Management Systems and Organizational Structures Developed and Organized for Networking Segments
Access
Metro
Regional
Long Haul

6. Increased Network Cost
To North Rings 3
Real Networks 2 2 4
Many Networks do not fall in any single category
Increased Network Cost 9 5 6 7 5 8 4 6 8 7 7 5 7
New Jersey – Maryland Network
In-service 2003
88 Network Elements
Supports 40 l per fiber
10G & 2.5G 9 6 4 8 6 5 7 12 10 4 2
The number of channels (10G and 2.5G) on each optical span at initial turn-up is indicated by the number that is circled. 11 6 11 8 3 4 4 7
To South Rings

7. Technology Application Segmentation
Access
Metro
Regional
Long Haul
Transmitters
Amplifiers
Capacity
Switching
ROADM
DML
2.5G
CWDM
MZ-EML
10G
EAML
40G No
Amp
EDFA
Dual Stage EDFA
Raman
Hybrid
Raman/EDFA 8l
20l
40l
80l
Terminal
Node
OADM
ROADM
Multi-Degree

8. Modular WDM - Amplifiers
Pre-amp
(r)OADM
Post-amp
DCM
Rx/Tx
DCM
Amplifier options
No amplifier
Single-pump EDFA
Dual-pump EDFA
Dual-pump EDFA with mid-stage access
Variable Gain EDFA
Distributed Raman
Hybrid Raman+EDFA

9. Modular WDM - Transponders
Pre-amp
(r)OADM
Post-amp
DCM
Rx/Tx
DCM
Transponder options
External ITU-T l, any rate
CWDM 2.5G
DML DWDM 2.5G
EAML 2.5G
MZI 2.5G
EAML 2.5G FEC
EAML 10G FEC
MZI 10G FEC & duobinary

10. Modular WDM – (r)OADM OADM options Pre-amp (r)OADM Post-amp DCM Rx/Tx
None (line-amp node)
4 l and 8 l CWDM mux/demux
single-l DWDM filters
20 l mux/demux
40 l mux/demux
broadcast-and-select (2-degree) ROADM
multi-degree ROADM

11. EDFA Power Ripple 6 spans x 100 km SMF 9 EDFA + 4 OADM
Low power ripple – no need for channel equalizer
Input to first post-amp
Output of last pre-amp
< 5 dB power ripple

12. ROADM for Power Equalization
Recirculating loop with 2-deg. ROADM
<5 dB power ripple after 16 ROADM
Open eye diagrams for 10G EAML
1541 nm 16 loops
1535 nm 16 loops
0 loops
16 loops

13. Long-Haul All-Optical Transmission
Field trial 10 spans x 160 km SMF with no OEO regen
EAML, NRZ 10G XPDR’s with hybrid Raman/EDFA
No per-wavelength power equalization along the link
EFEC BER threshold
Error Free with EFEC turned ON

14. Multi-haul WDM System Support multiple WDM platforms Service providers
High Op.Ex.
Use modular WDM system adapting to all networks requirements
Protocols
Data rates
Number of channels
Span distances
Total distances
Fiber types
Add/drop capacity and reconfigurability
Protection options

15. Multi-haul WDM Network
Hybrid Raman/EDFA
2-stage EDFA
OADM
2-deg. ROADM
>1000 km
Raman
1-stage EDFA
2.5G DML
2.5G EAML
10G EAML
10G MZI
40G
Multi-deg. ROADM
CWDM

16. Network Cost Comparison
Multi-deg. ROADM
2-degree ROADM
Fixed
OADM
Mixed
(r)OADM

17. Tying Network Tools Together
2.5G DML
10G MZI R
2.5G EAML
>1000 km
10G EAML R R
40G
CWDM
Provisioning Simplification
Network utilization
Multiple provisioning systems
Automatic network inventory (discovery)
Embedded service awareness

18. Intelligent Control Plane
Metro Core
Metro Edge
Metro Access
Customers
Reduces Operational Expenditures and Increases Service Delivery
Point and click provisioning Network agility
Enhanced revenue capability
Integrated management
Expedited Provisioning
Higher asset utilization Automated network inventory and reuse Efficient restoration
Network Efficiency
Interoperability New types of services New architectural and operations models
Network Evolution

19. Summary – Multi-haul DWDM
Mix different XPDRs, Amplifiers, OADMs, etc on the same optical path
Use the lowest-cost (but still reliable) alternative to meet network requirements
Cost and performance optimization performed with automated control plane technology

20. rbowcutt@advaoptical.com info@advaoptical.com
Thank You!

21. About the Author
Roy Bowcutt is Senior Director of Product Management at ADVA Optical Networking. of Product Management at Movaz Networks.  Roy is experienced in the engineering and market development of telecommunications, cable video transmission, and data networking industries.  Prior to ADVA, Roy was the Vice President of Product Management at Movaz Networks. Prior to joining Movaz, he worked in various engineering and management positions at Scientific Atlanta and IBM. Roy holds a BS in Electrical and Computer Engineering from Brigham Young University, a Masters in Electrical Engineering from the University of Minnesota, and an MBA from Emory University.