1© 2004 Cisco Systems, Inc. All rights reserved.

Rich Gore

Cisco IT@Work Case Study: Migrating the Cisco WAN to the Cisco 7600

Series Router

Case study text (Public)Case study text (Internal)

Cisco Information Technology

October 6, 2003

222© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Overview

• Challenge—WAN Growth

Traffic growth, new applications drove Cisco® to higher WAN speeds

• Solution—Cisco 7600 Series Router for high-speed WAN

Cisco 7600 Series supports OC-12, STM-4, with good features, performance, migration path

• Results—Cisco 7600 Series now backbone of global WAN

10 pairs of Cisco 7600 Series routers deployed globally

WAN availability at all-time high in 2003 (99.999%)

• Next Steps—Cisco 7600 Series supports new WAN technologies

MPLS VPN, QoS, SSM support added easily

333© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Challenge—WAN Growth

• WAN utilization was growing rapidly

Average total utilization across global WAN links doubling every 9 months

OC-3 between San Jose and RTP nearing 50% utilization in 2002

• New peer-to-peer applications being added

IP telephony

IP video

E-working/collaboration tools

• Cisco® 7200 and 7500 series routers don’t handle above OC-3, STM-1 CAPNet Growth

0

50

100

150

200

250

300

Q4 00 Q1 01 Q2 01 Q3 01 Q4 01 Q1 02 Q2 02

Fiscal Year

Av

g T

ota

l U

tiliza

tio

n (

Mb

ps

)

Global US EMEA AP

444© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Solution—Cisco 7600 Router for OC-12 WAN

• New WAN design required OC-12 connectivity

• Underlying LAN platform is Cisco® Catalyst® 6500 Series switch and router

• Cisco 7600 Series Router is based on Catalyst 6500 Series technology, with support for higher speeds and higher OC-x and STM-x port connections

• Cisco 7600 Series supported all required interfaces, with a small footprint, a reliable track record, and a good migration plan

• Cisco IT selected the Cisco 7600 Series Router to support the backbone of our global OC-12 / STM-3 / OC-3 / STM-1 WAN for 2003

555© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Cisco WAN Hub Site Architecture

Carrier OC-3 or OC-12

7606 7606

Carrier OC-3 or OC-12

Cisco® Offices

DS-3OC-3OC-12

T-1

6509 6509to SJ Metro Ring

Gigabit Ethernet

72007200

< 10

3640 3640s 3640s 7200s 7200s

Services

666© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Results—Cisco 7600 Series Is Backbone of Global WAN

• Ten pairs of Cisco® 7600 Series routers now in global WAN backbone:

Seven pairs in the United States

Three pairs in Europe

• Performance and availability have been excellent

In 2002, Global WAN links had 99.99% availability

In 2003, Global WAN links had 99.999% availability in some quarters

777© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Cisco 7600 Series in Global WAN

Tokyo

Sydney

Chicago

RTP

London

Brussels

Amsterdam

Singapore

San Jose

Leased Line (DS-3)

ATM

DS-3

OC-3 / STM-1 SONET

OC-12 / STM-4 SONET

Cisco 7600 Router

Cisco 7200 / 7500

Denver NYC

Dallas Atlanta

KanataMPLS

888© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

Next Steps—Cisco 7600 Series Supports New Technologies

• WAN migrated to MPLS VPN in EMEA

Cisco® 7600 Series routers deployed in Amsterdam, London, and Brussels to handle STM-4 and STM-1 circuits into MPLS provider network

• QoS supported on the WAN

Voice, video, control, normal, and batch data traffic

Cisco 7600 Series handling QoS (CBWFQ) traffic marked at edge

• Source Specific Multicast and IGMPv3 support added to Cisco 7600 Series (and other routers) in WAN

Simplified multicast architecture adds to stability

• Each feature supported in Cisco IOS® Software, required no hardware upgrade

999© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID 999© 2003 Cisco Systems, Inc. All rights reserved.Presentation_ID

This publication describes how Cisco has benefited from the deployment of its own products. Many factors may have contributed

to the results and benefits described; Cisco does not guarantee comparable results elsewhere.

CISCO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED

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