Huawei Quidway NE5000E Manuale di istruzioni
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.
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