BCM567X BOARDCOM [Broadcom Corporation.], BCM567X Datasheet - Page 17

• Manufacturer Part Number: BCM567X
• Description: A Scalable Approach to Gigabit Ethernet Switch Design
• Manufacturer: BOARDCOM [Broadcom Corporation.]

06/27/02
power that can be added. These characteristics are most appropriate for wiring closets in enterprise organizations where
growth is expected or unpredictable. Each daisy chain-connected switch is typically built using BCM5670s with multiple
BCM5690s connected to them.
Document
Simplex
Duplex
Cascade
Matrix
Daisy
Chain
Switch vendors have a variety of choices for an interconnect configuration, depending on the type of system being
built and the vendor’s priorities for performance, management, and cost.
BCM5690
567x_569x-WP100-R
BCM5671
System
Candidate(s)
Fixed, low-end
Chassis
Fixed, low-end
Stackable,
Fixed, Chassis
Stackable
BCM5690
Table 2: Summary of System Interconnect Considerations
Figure 7: A Daisy Chain Interconnect
Performance
Low
Low, but could
boost with the
addition of a
BCM5680 in the
transmission path
Low
High
High
Bro adco m Co rp or atio n
BCM5690
BCM5671
BCM5690
Comparative Cost
Low
Low
High
Low‘
Medium
What to Build and How to Build It
BCM5690
Benefits
Low-cost, simple
Low-cost, simple, with path
redundancy for added
resiliency
Cost-effective
Very high resiliency
Very scalable, nonblocking
BCM5671
BCM5690
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