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參數(shù)資料
| 型號： | VSC882 |
| 廠商： | Vitesse Semiconductor Corporation. |
| 英文描述： | 80 Gb/s Intelligent Switch Fabric |
| 中文描述： | 80 Gb / s的智能交換結(jié)構(gòu) |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 424K |
| 代理商： | VSC882 |
Your Partner for Success.
For more information on Vitesse Products visit the Vitesse web site
at www.vitesse.com or contact Vitesse Sales at (800) VITESSE
or sales@vitesse.com
2002 Vitesse Semiconductor Corporation
741 Calle Plano
Camarillo, CA 93012, USA
Tel: +1 805.388.3700
Fax: +1 805.987.5896
www.vitesse.com
G E N E R A L D E S C R I P T I O N :
GigaStream
Chip Set (VSC872 & VSC882) 80 Gb/s Intelligent Switch Fabric
VSC872
Queuing Engine
0.18
μ
m CMOS
440 TBGA
5W
1.8V
2.5V or 3.3V
2.125 - 2.644Gb/s
8
VSC882
Packet Exchange Matrix
0.18
μ
m CMOS
304 TBGA
8W
1.8V
2.5V or 3.3V
2.125 - 2.644Gb/s
16
Description
Process Technology
Package Information
Maximum Power Dissipation
Core Supply Voltage
I/O Supply Voltage
Serial Link Speed
High-Speed Serial Channels
Specifications:
The GigaStream
chip set is a high
performance synchronous switch fabric
consisting of two integrated circuits: the
GigaStream Queuing Engine (VSC872) and
the GigaStream Crossbar Switch (VSC882).
Targeted at the access, edge, and metropolitan
markets, GigaStream enables networking
equipment manufacturers to build routing and switching
systems capable of providing a maximum of 80Gb/s of
aggregate user bandwidth with up to 320Gb/s of highly
available backplane bandwidth. GigaStream provides support
for sophisticated Quality of Service (QoS) algorithms, distinct
handling for both Unicast and Multi/Broadcast traffic, as well
as multi-service support for IP, ATM, and Ethernet
High Performance and Scalability
GigaStream’s flexible architecture allows designers to
increase aggregate switching capacity by adding GigaStream
Crossbar Switches, scaling fabric backplane bandwidth in
increments of 40Gb/s up to a maximum 320Gb/s. Each
GigaStream Queuing Engine increases system port count by
providing two additional OC-48 CSIX interfaces up to a
maximum 32x32 OC-48 system configuration. GigaStream’s
scalable architecture, in conjunction with its self-
synchronous serial link technology, provide the framework for
next generation high-speed networking systems.
High Availability
With the special requirements of highly-reliable networking
equipment in mind, the GigaStream switch fabric offers several
features designed to simplify in-situ replacement or upgrades.
These features include both N+1 and N+N redundant switch
core protection schemes, hardware and software switchover
for field maintenance and link failure conditions, fail-safe hot-
swappable buffers, as well as self-synchronizing link circuitry
and link health monitoring, ensuring zero loss of traffic and
continuous operation under failure.
Efficient Bandwidth Utilization
The GigaStream solution is a self-routing switch fabric
featuring virtual output queuing (VOQ) to eliminate head of line
blocking, sophisticated QoS mechanisms to facilitate class-
based traffic management, and logical backplane link rates of
up to four times aggregate user port bandwidths. The fabric
includes an integrated scheduler and dedicated on-chip
queuing for both Unicast and Multi/Broadcast traffic, featuring
eight priority classes supporting both strict priority and
weighted bandwidth allocation.
High Integration Reduces Overall Cost
The GigaStream switch fabric integrates advanced queuing
and scheduling, a synchronous serial crossbar, and multiple
channels of Vitesse’s proven high-speed serial link technology;
all in a two-component fabric chip set. GigaStream is a low-
power solution that consumes only 1.4W per Gb/s of user
bandwidth with the additional capability of powering-down
unused serial links. This results in a high-performance, cost-
effective switch fabric with low overall chip count that minimizes
power, design complexity and board space requirements.
GigaStream
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