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BCM5691_

A Scalable Approach to Gigabit Ethernet

Broadcom Corporation 

White Paper

06/27/02

TABLE OF CONTENTS

■ BCM567x/BCM569x

The LAN Switching Landscape................................................................................................................... 1

The Market Opportunity .......................................................................................................................... 1

Design Challenges.................................................................................................................................. 1

StrataXGS Gigabit Ethernet Architecture .................................................................................................. 2

Reduced Components ............................................................................................................................ 2

Interoperability with Broadcom StrataSwitch........................................................................................... 2

Quality of Service.................................................................................................................................... 3

HiGig™ Interface .................................................................................................................................... 3

Integrated Serializer/Deserializer (SerDes)............................................................................................. 3

StrataXGS Product Family .......................................................................................................................... 4

What to Build and How to Build It............................................................................................................... 7

Types of Systems ................................................................................................................................... 7

Interconnect Decisions............................................................................................................................ 9

Other System Design Decisions ............................................................................................................... 12

Fixed Systems ...................................................................................................................................... 12

Stackable Systems ............................................................................................................................... 12

Modular Chassis ................................................................................................................................... 12

Integrated Switch/Servers ..................................................................................................................... 13

Unmanaged Systems............................................................................................................................ 13

System differentiation ........................................................................................................................... 13

Build or Buy?......................................................................................................................................... 13

StrataXGS Features and Benefits in Depth.............................................................................................. 14

Expedited Time to Market ..................................................................................................................... 14

Broadcom Switch Application Programming Interface (API)................................................................. 14

Integrated Approach to Stacking........................................................................................................... 15

Resiliency/Redundancy at the Port Level ............................................................................................. 16

Performance ......................................................................................................................................... 16

Traffic Prioritization and Management .................................................................................................. 16

Layer 2 Features ................................................................................................................................... 17

Layer 3 Features ................................................................................................................................... 17

Security ................................................................................................................................................. 17

Integrated SerDes Interface .................................................................................................................. 18

Switch Development Kit and Evaluation System .................................................................................. 18

Sample System Configurations ................................................................................................................ 19

Summary and Conclusion ......................................................................................................................... 22

Document 567x_569x-WP100-R

Broadcom Corporation

Page iii

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