evolving the metro optical layer with compact...

Nice NGON/DCI 2016

Paul Momtahan, Director of Optical Solution Marketing

Evolving the Metro Optical Layer with

Compact Pluggables

Metro Optical Layer Hard Choices

Low Cost & Footprint or Flexible & Future Proof?

Fixed DWDM (FOADM)

Good

Lower Upfront CapEx Lower Footprint Lower Power Consumption

ROADM

Good Flexible Add/drop

Future-Proof Simplified Planning Low Operational Costs

© 2016 Coriant. All rights reserved. Company Confidential.

Good

More Flexible

Best Reach Cost-effective Replacements

Individual Modules System-On-A-Blade

Good

Lower Footprint Simplified Installation Lower Power Consumption

2

A Brief History of Compact Pluggables

3

1995 2000 2005 2010 2015

GBIC Mini-GBIC/SFP 10G WDM XFP Tunable XFP Tunable SFP+ 10G WDM SFP+

Compact pluggables are not new to optical transmission:

• Initially adopted on client side to provide protocol & reach flexibility together with cost, power and footprint reductions

• DWDM transceivers starting with fixed 10G XFPs in 2006 helped to significantly reduce the cost of 10G WDM

• Starting to have a similar impact on 100G with first CFP and now CFP2-ACO


CFP2-ACO

Optical Layer Compact Pluggables

4 © 2016 Coriant. All rights reserved. Company Confidential.

Miniaturization: EDFA Technology Example

5

EDFA: MSA (90x70mm2) EDFA: Ultra-Mini (60x40mm2)

EDFA: XFP & OFP2

XFP-EDFA


Complimentary Technologies

Compact Low Loss Filters

• Low insertion loss - enables extended passive architectures and more complex channel plans

• Reduced footprint

EVOAs with Auto Attenuation

• EVOA with integrated photodiode

Power Tone for Amplifier Gain Setting

• Cost-effective solution for automatic gain setting on amplifiers

6 © 2016 Coriant. All rights reserved. Company Confidential.

Benefits: Reduced CapEx and OpEx

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Reduced CapEx:

Select only the functionality you need - do not pay for unneeded functionality

Reduced shelves & commons

Reduced OpEx:

Reduced footprint & power consumption

Manageability features that were previously only available with ROADM


Benefits: Flexible & Future Proof

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Flexible:

Extended single channel, CWDM, passive WDM, amplified WDM, OLA, ROADM

Wide range of distances, simple to complex traffic patterns

Future-Proof:

Add functionality as needed by adding pluggables (OCM, WSS, OTDR, etc.)

Future technologies: route & select ROADM, colorless/directionless, Raman, etc.


Key Applications

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Point-to-Point • Single channel up to 40dB/160km

• DWDM to 96 channels & 30dB/120km

Ring/Chain • Spans to 30dB/120km

Spurs/Arcs

• Cost-effective extension of ROADM network

• Scale ROADM node cost-effectively

• Avoid OEO at ROADM nodes


Comparison with ROADM-on-a-Blade & Individual Modules

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A pluggable optical layer offers the lowest cost & footprint,

with a sweet spot in metro access


Individual Modules

System-on-a-Blade

Pluggable Optical Layer

Footprint & Power

Flexibility (to mix & match components)

ROADM Scalability (Degrees, Channels)

(Future

Improvements)

Advanced ROADM Add/Drop

(Future

Improvements)

Performance/Reach

Ease of Installation

Cost of Replacing Failed Hardware/Sparing

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Comparison with Fixed WDM & ROADM

A pluggable optical layer offers the best of both worlds:

Low cost/power/footprint AND flexible/future-proof/low OpEx


Fixed WDM ROADM Pluggable Optical

Layer

Lower Upfront CapEx Depends on

functionality selected

Lower Footprint

Lower Power

Consumption

Future-Proof

Flexible Add/Drop With WSS Option

Simplified Planning Ability to select

“ROADM” features Low Operational Costs

Pluggable Optical Layer Summary

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Reduced CapEx: Select the what you want - do not pay for unneeded functionality

Reduced OpEx: Low footprint & power, manageability that previously required full ROADM

Flexible: Applicable to a wide range of applications and use cases

Future-Proof: Add functionality as needed (OCM, WSS, OTDR, R&S WSS, Raman)


Thank You.

evolving the metro optical layer with compact...

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