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參數(shù)資料
| 型號： | PRS64G |
| 廠商： | IBM Microeletronics |
| 英文描述： | IBM Packet Routing Switch(網(wǎng)絡(luò)通信用信息包通路轉(zhuǎn)換開關(guān)) |
| 中文描述： | IBM的分組路由交換機(jī)（網(wǎng)絡(luò)通信用信息包通路轉(zhuǎn)換開關(guān)） |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 468K |
| 代理商： | PRS64G |
Scalable, high-throughput switch technology for OC-48c
and OC-192c applications
Packet Routing Switch 64G
Highlights
Large-scale functionality in
a high-integration chip for
compact designs
Multi-terabit growth within a
common architecture
Link paralleling to support
OC-192c applications
High reliability through proven
lossless switchover capability
Comprehensive development
support and tools help reduce
time to market
High throughput and non-
disruptive migration
The IBM Packet Routing Switch 64G
(PRS64G) provides a powerful engine
for high-throughput switch applications
and port speeds up to OC-192c. The
chip features fixed-size fast packet
switching and is capable of supporting
frame- and cell-based traffic. Protocol-
independent, it enables non-blocking
scalable switch fabrics offering 64-Gbps
to 128-Gbps throughput.
The latest member of the IBM family of
packet routing switch products, the
PRS64G more than doubles the
performance of previous-generation IBM
switch chips. In addition, it features link
paralleling, 32 ports, and enhanced
support for low-priority traffic to satisfy
the increasing demands of high-
throughput, high-reliability applications.
The IBM family of packet routing switch
products provdes a highly integrated
and scalable migration path for a wide
range of applications, including enter-
prise and WAN edge, access, backbone
switches, DSLAM products, and mobile
base stations.
Manufacturers using the IBM PRS64G
can benefit from advanced silicon
technology and the proven reliability,
redundancy and load balancing features
of the IBM packet routing switch
technology. The switch offers:
32 input ports and 32 output ports
64-Gbps aggregate chip throughput
(4-Gbps port speed) for OC-48c support
64- to 128-Gbps throughput using
single-stage speed expansion
Link paralleling of four ports for OC-192c
support
Quality of service (QoS) with four levels
of traffic priority
Built-in broadcast and multicast support
Packet lossless switchover capability
Virtual output queuing with Grant
method-based queue flow control
Speed and port expansion
enable scalable designs
The IBM Packet Routing Switch 64G
provides exceptional scalability, permitting
configuration growth in speed per port,
number of ports, and aggregate capacity.
This allows non-disruptive migration as
system requirements change.
The PRS64G supports two types of
speed expansion: internal and external.
Internal expansion doubles port speed
by combining the chip’s two subswitch
elements, providing economical solu-
tions for applications such as high-
speed compact ATM switches operating
at OC-48c port speed. Alternatively, two
PRS64G chips can be externally
combined to double the number of serial
I/O data paths from four to eight. This
approach improves overall switch
throughput, allowing two switch chips to
operate together at 128 Gbps, enabling
protocol engine applications with 32 x
OC-48c port speed.
The switch chip provides additional
scalability through port expansion for
single-stage and multistage switch
designs. The single-stage method of
port expansion is well suited for ATM
The IBM Packet Routing Switch 64G
is a high-performance, scalable
switch solution for diverse applications.
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相關(guān)代理商/技術(shù)參數(shù) |
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