For the full presentation, please visit Cisco Knowledge Network at http://www.ciscoknowledgenetwork.com

1. Cisco Knowledge Network:
Transport Solutions

2. Introduction
• Welcome – Moderator(s):
Dale Clark - Strategic Account Manager
Russ Esmacher - Sr. Business Development
Manager
• Today’s Show: Transport Architecture Evolution
Speaker(s):
John Skochenski, Sr. Systems Engineer
Bruce McDougall, Sr. Systems Engineer
• Q&A
• Survey

3. October, 2011
© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 3

4. 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

5. A Brief History of Optical Networking
DS-3/T1 TDM TDM ETH TDM ETH
SONET
SONET SONET SONET
OTN
WDM
1550nm WDM WDM
ROADM
1995 2000 2005 2010
Last 10 years have been incremental steps

6. Get Ready for the Optical Reboot
Each Layer TDM ETH SONET
TDM ETH
2012 Unified
SONET Multi-Layer
Managed ~ OTN
OTN Management
2013
WDM ASON
Separately
ROADM
2010 2015
• 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

7. Major Shift from SONET to
$18
DWDM/Packet 100%
80%
Revenue (US$ Billions)
$12
60%
WDM (%)
40%
$6
20%
$0 0%
CY05 CY06 CY07 CY08 CY09 CY10 CY11 CY12 CY13 CY14 CY15
Metro-SONET/SDH Metro-WDM LH-SONET/SDH LH-WDM WDM %
• WDM hardware spending is increasing 12%+ per annum
• Shift away from TDM / SONET to packet based transport
• ROADM, packet-optical and coherent technology
7

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