bcm56720 Broadcom Corp., bcm56720 Datasheet

bcm56720

Manufacturer Part Number

bcm56720

Description

Bcm56720 - 16-port, 256-gbps Higgig /higgig2 Switch Fabric

Manufacturer

Broadcom Corp.

Datasheet

1.BCM56720.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

bcm56720B0KFSBG

Manufacturer:

BROADCOM

Quantity:

20 000

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•

Provides 16 HiGig/HiGig2 (HG) ports, each of the HG ports

individually each support 10G, 12G, 13G and 16G speeds with

HiGig™ or HiGig2™ protocols

Scalable to multiterabits in multistage Clos architecture

Line rate full-duplex switching for 256+ Gbps

Forwarding rate of 320 million packets per second

10 priority queues per port: 8 Class of Service (CoS) queues

with 2 additional strict priority queues for flow control and in-

band management

Intelligent Scheduler supports Strict Priority (SP), Weighted

Round Robin (WRR) & Deficit Round Robin (DRR) with

built-in Weighted Random Early Discard (WRED) and

Explicit Congestion Notification (ECN) for Congestion

Avoidance

Integrated Dynamic Memory Management Unit (MMU)

allows proactive, intelligent allocation of buffer memory

resource in real time

Service Aware Flow Control™ (SAFC) mechanism allows in-

band back pressure per CoS

Integrated HW failover mechanism for fast detection and

recovery from link failure (<10 μs)

Configuration and management via PCI or PCI Express

(PCIe™) with 32 CPU queues

16-PORT, 256-GBPS HIGIG™/HIGIG2™ SWITCH FABRIC

F E A T U R E S

HiGig HiGigHiGig HiGigHiGig HiGigHiGigHiGig

HW Failover

Scheduling

BCM56720

Multiport Scalable HiGig Packet Fabric

QoS & Flow Control PCIe/PCI

Advanced Buffer MMU

•

H i g h l e v e l o f s c a l a b i l i t y a n d i n t e g r a t i on e n a b l e s

unprecedented 1-GbE and 10-GbE port densities in

Enterprise modular applications.

Robust integrated SerDes, on-chip packet buffer memory

and PLLs accelerate system design, drastically reduce cost,

and conserve board space.

Sixth-generation HiGig/HiGig2 stacking technology provides

increased stacking bandwidth throughput for modular

chassis and fixed/stackable solutions.

Intelligent traffic management with per CoS SAFC supports

lossless delivery of storage, clustering, video, voice and data

over a common, unified fabric.

Advanced load balancing, fast HW failover and recovery

(<10 μs) provide high-performance, scalable, and reliable

solutions for enterprise and data center.

Hardware failover combined with improved 16G links enable

full linerate operation even during failover condition with

N+1 or 1+1 redundancy.

Per port speed and HiGig/HiGig2 flexibility enable new high-

speed HG solutions while maintaining full backward

compatibility with existing deployed HG switches/line cards.

Fully compatible Broadcom software API and Software

Development Kit (SDK) enables software reuse from existing

deployed systems and faster time-to-market.

S U M M A R Y O F B E N E F I T S

Related parts for bcm56720

bcm56720 Summary of contents

Page 1

... CPU queues HiGig HiGigHiGig HiGigHiGig HiGigHiGigHiGig HiGig HiGigHiGig HiGigHiGig HiGigHiGigHiGig BCM56720 • unprecedented 1-GbE and 10-GbE port densities in Enterprise modular applications. • ...

Page 2

Line Rate 96 x 1-GbE /Stackable Stacking Links 96 x 1-GbE + 8 x HG[16] Enterprise/Data Center Modular Applications Line Card Switch Fabric Card B Switch Fabric Card B Note1: HiGig/10-GbE ports can drive connectors, backplanes or ...

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