Huawei Quidway NE5000E Manuale di istruzioni

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Quidway® NetEngine 5000E Core Router System Architecture

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 1

Quidway® NetEngine 5000E Core Router

System Architecture

Overview

The Quidway®NetEngine 5000E core router (hereinafter referred to as "NE5000E") is a top-level

router launched by Huawei in orientation to Internet backbone node, MAN core node and data

interconnection center node. The NE5000E inherits the design philosophy of the 5th generation

router. Based on advanced network processor technology, ASIC technology, IPv6 technology and

optical backplane interconnection technology, the NE5000E adopts a distributed and scalable

design and achieves a mass switching capacity and super high forwarding performance, fully

satisfying bandwidth performance, QoS and service provisioning capability requirements of the new

generation Internet.

The NE5000E has a switching capacity of 2.56 Tbps and an interface capacity of 1.28 Tbps,

supporting high-density 10G/40G interfaces and delivering a forwarding performance of up to 1600

Mpps. The NE5000E is scalable through interconnection of optical backplanes, and also supports

multi-chassis cascading, improving the interface capacity and system performance greatly. The

NE5000E has 22 slots: two for MPUs (1:1 backup), four for SFUs (1+3 backup) and 16 service

slots.

Architecture

The NE5000E is based on full-distributed hardware forwarding and non-blocking CROSSBAR

switching technology and configured with three sets of built-in buses: monitor bus, management

bus, and high-speed data bus.The interface boards of the NE5000E adopt advanced ASIC and

network processor technologies to implement high-speed service processing.

Quidway® NetEngine 5000E Core Router System Architecture

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 2

Monitor bus Management bus

Power supply system

Redundancy backup Fan system

Redundancy backup

(active

/standby)

Switch

matrix

1+3

redundancy

backup

NE5000E hardware architecture

The NE5000E has the following major boards: Main Processing Unit (MPU), Switch Fabric Unit

(SFU) and multiple Line Processing Units (LPUs). The key parts such as MPU, SFU, fan and power

supply adopt redundancy design, improving the reliability of the whole system. The interface types

of LPUs include GE, 10GE, 10G POS, 2.5G POS, and so on.

Logically, the NE5000E can be divided into three planes: data plane, control & management plane,

and monitoring plane. The three planes provide the following functions:

Quidway® NetEngine 5000E Core Router System Architecture

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 3

Logical architecture of NE5000E

zThe data plane completes high-speed data packet processing and internal non-blocking

switching, including packet encapsulation/decapsulation, IPv4/MPLS forwarding processing,

QoS and packet scheduling, internal high speed switching and various statistics.

zThe control and management plane completes system control and management functions. It is

the nerve center of the entire system. The control and management unit completes functions

such as protocol and signaling processing, system status configuration and maintenance

management as well as system status reporting and control.

zThe monitoring plane independently completes system environment monitoring, including

voltage detection, system power on/off control, temperature detection and fan control to

ensure the safe and stable operation of the system. It isolates the fault in time when a unit is

faulty, thus guaranteeing the normal operation of the other system components.