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FAP20V Datasheet Preview

FAP20V Datasheet

Fabric Access Processor

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FAP20V pdf
Built to Scale
DUNE
NETWORKS
FABRIC ACCESS PROCESSOR
FAP10/20V
Highlights
• 20Gbps and 10Gbps
full-duplex traffic-manager
www.DatadSehveiceet4iUn.tceogmrating switching
fabric interface
• Supports a stand-alone
20Gbps traffic manager
• Provides distributed shared-
memory switch via fabric-
less (mesh) configurations
• Enables up to 40Tbps of
fabric-based configurations
• End-to-end hierarchical
rate and weight guarantees
for packet flows and
per-flow shaping
• One or two SPI4.2 full duplex
interfaces towards the
line-card logic
• RED/WRED queuing policies
• Automatic fault detection
and recovery with no
software intervention
• N+M, N-M and 1:1
redundancy schemes
• Comprehensive
multicast support
• FAP10/20V-based line card
can co-exist in systems with
FAP10M-based line cards
(Marvell's FX930) and with
future types of FAP devices
SAND Overview
Dune Networks SAND™ (Scalable Architecture for
Networking Devices) chipset provides a complete
solution for switching fabric and ingress/egress
traffic management. The SAND™ chipset includes
a Fabric Element device (FE200) and a family of
Fabric Access Processor (FAP) devices. The FE200
enables switched-based systems across all types
of FAP devices. The FAP devices differ from each
other by the aggregate rate they provide to the
user, their traffic-management capabilities, and the
interface towards the NP or MAC/framer.
The SAND chipset enables, for the first time, Internet
and storage-platform vendors to build a full product
line using the same chipset guaranteeing a life
cycle of 7+ years.
In order to provide this extensive life cycle the
SAND chipset provides three scaling dimensions:
port bandwidth, port count, and port service scheme.
A system built using the SAND chipset is capable
of providing total user bandwidth starting from
10Gbps and extending up to 80Tbps. The system
allows the user to connect mixed rate line cards
(10Gbps, 20Gbps, 40Gbps and higher) and line
cards with various traffic management capabilities.
The FAP10V and FAP20V devices provide 10Gbps
and 20Gbps ingress/egress comprehensive traffic-
management functionality via SPI4.2 interfaces
while incorporating a switch fabric interface. The
embedded switch fabric interface allows the FAP10V
and FAP20V devices to interconnect and
communicate via their fabric interface, allowing
any system of any size to provide end-to-end rate
and weight guarantees for packet flows.
Top Level FAP
Block Diagram
Network Processor Complex
FABRIC ACCESS PROCESSOR (FAP10/20V)
1/2 X SPI4.2 Receive/Transmit Interface
DRAM
Packet
Memory
Fabric
Input
Processor
(FIP)
Scheduler
Fabric
Output
Processor
(FOP)
CPU
Fabric Interface 3.125Gb/s Serial Links
FABRIC



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FAP20V Datasheet

Fabric Access Processor

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Fabric
Fabric Access Processor - FAP10/20V
System Configurations and Applications
The FAP10/20V can be used:
• As a 10G/20Gbps stand-alone ingress/egress
traffic manager
• In mesh configurations of FAP10/20V devices
• In switch-based systems that can grow as large
as 40Tbps
The versatility of the FAP10/20V devices enables a
vendor to design a full product line using the same
chipset, sharing the same line and fabric cards. For
example, for low-capacity platforms, the fabric-less
(mesh) FAP configurations may be used, while the
higher-capacity platforms may use the same line
cards connected via fabric cards.
Traffic Management
The FAP10V and FAP20V are full-duplex 10G and
20G devices tailored to the needs of the Metro
Ethernet market, fully supporting relevant traffic
management standards (IETF, DSL Forum, ITU, MEF),
and enabling flow-based hierarchical traffic
management. The FAP10V and FAP20V devices
combine the functionality of a traditional stand-alone
traffic manager and a Fabric Interface Device. In a
system they implement a distributed traffic
management architecture which can scale while
maintaining functionality and performance.
In a stand-alone mode, a FAP10/20V device provides
comprehensive local traffic management services,
such as deep buffering, congestion avoidance via
WRED, fine-grained weight and rate-based flow
shaping and hierarchical scheduling toward the
egress port.
A switched configuration constructed by several
FAP10/20V devices connected via their fabric interface,
enables for the first time end-to-end rate and weight
guarantees of traffic flows across a complete system.
In such a configuration a FAP10/20V device performs
ingress and egress functions (scheduling and routing)
to and from the switching fabric, in addition to
providing complete traffic management functionality
(shaping and queuing).
Fault Tolerance
The SAND fabric implements carrier-class reliability,
and incorporates failover mechanisms in hardware,
which enable the creation of systems with various
levels of fault-tolerance. Examples of systems that
can be built include N+M, N-M and 1:1.
A FAP10/20V device automatically detects and re-
routes around faulty links or elements, resulting in
fault-tolerant, self-healing fabrics.
Management
Through its CPU interface, one can configure the
FAP10/20V device, access its counters and internal
memories, and send and receive data and control cells.
The CPU interface may also be used to communicate
in-band with other CPUs in the system, monitor traffic,
gather statistics, and generate error logs.
Reference Sub-System
The FE200 and the FAP family of devices are backed
by a full support package. The hardware development
kit includes full guidelines with schematics and
layout databases. The software development kit
includes device drivers, source code and
documentation. Two reference designs are available,
providing a complete hardware & software
development environment for SAND-based products.
Power consumption
In a switched configuration, a FAP20V consumes less
than 12W and the FAP10V less than 9W. The power
consumption is further reduced when the devices
are used as stand-alone traffic managers.
DUNE
NETWORKS
www.dunenetworks.com
Company Headquarters:
710 Lakeway Dr. Suite 265
Sunnyvale, CA 94085, USA
Tel: +1-408-738-3322
Fax: +1-408-738-3331
Israel Subsidiary:
Industrial Park, Yakum
60972 Israel
Tel: +972-9-961-5222
Fax: +972-9-961-5223
Email: info@dunenetworks.com


Part Number FAP20V
Description Fabric Access Processor
Maker DUNE
Total Page 2 Pages
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