Cisco Knowledge Network:

Transport Solutions

Introduction• Welcome – Moderator(s):

Dale Clark - Strategic Account ManagerRuss Esmacher - Sr. Business Development Manager

• Today’s Show: Transport Architecture Evolution Speaker(s):

John Skochenski, Sr. Systems EngineerBruce McDougall, Sr. Systems Engineer

• Q&A• Survey

© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 3

October, 2011

Transport Architecture Evolution

John’s Agenda

• Evolution of Transport Networks• Current Trends in Transport Networks• TDM Centric to Packet Centric Transport• Convergence of Packet and TDM Transport• MPLS-TP as a Building Block for Next Gen Transport Networks

A Brief History of Optical Networking

Last 10 years have been incremental steps

1550nm

DS-3/T1

SONET

1995

WDM

TDM

SONET

2000

WDM

SONET

TDM ETH

2005

WDM

SONET

TDM ETH

2010

OTN

ROADM

Get Ready for the Optical Reboot

• Next step will not be incremental– New Coherent network deployments on unused fiber– New OTN transport and grooming layer– Emergence of Ethernet as a Circuit

2012~

2013

2010

WDM

SONET

TDM ETH

OTN

ROADM

Each Layer

Managed

Separately

SONETTDM ETH

2015

OTN

ASON

UnifiedMulti-Layer

Management

7

Major Shift from SONET to DWDM/Packet

• WDM hardware spending is increasing 12%+ per annum• Shift away from TDM / SONET to packet based transport• ROADM, packet-optical and coherent technology

$0

$6

$12

$18

CY05 CY06 CY07 CY08 CY09 CY10 CY11 CY12 CY13 CY14 CY15

Rev

enu

e (U

S$

Bil

lio

ns)

0%

20%

40%

60%

80%

100%

WD

M (

%)

Metro-SONET/SDH Metro-WDM LH-SONET/SDH LH-WDM WDM %

© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8Cisco Confidential 8© 2010 Cisco and/or its affiliates. All rights reserved.

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