White Paper
06/27/02
■
BCM567x/BCM569x
T
ABLE OF
C
ONTENTS
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
Bro adco m Co rp or atio n
Document
567x_569x-WP100-R
Page
iii
■
BCM567x/BCM569x
White Paper
06/27/02
L
IST OF
F
IGURES
Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5:
Figure 6:
Figure 7:
Figure 8:
Figure 9:
BCM5670 Block Diagram ................................................................................................................ 4
BCM5690 Block Diagram ................................................................................................................ 5
Enterprise LAN Applications: Scalable Architecture for Building Different Types of Systems......... 8
A Simplex Interconnect.................................................................................................................... 9
A Full-duplex Interconnect.............................................................................................................10
A Matrix Interconnect.....................................................................................................................10
A Daisy Chain Interconnect ...........................................................................................................11
24 FE Port + 22 GE Port Applications ...........................................................................................14
The Broadcom API at Work ...........................................................................................................15
Figure 10: Fixed 24-port GE Switch with Optional Advanced Function Module .............................................19
Figure 11: 24-port GE Switch with Active Stack Module ................................................................................20
Figure 12: 48-port Nonblocking GE Switch.....................................................................................................21
Bro adco m C orp or atio n
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Document
567x_569x-WP100-R
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