(1.1) ne40e-x series products hardware introduction

NE40E-X Series Products Hardware IntroductionNE40E-X Series Products Hardware Introduction
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Copyright © 2010 Huawei Technologies Co., Ltd. All rights reserved.
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Foreword
NE40E-X3/X8/X16 Series Router are the next generation high performance core routers developed by Huawei ( Là b nh tuyn lõi hiu sut cao th h tip theo c phát trin bi Huawei ). NE40E-X8/X16 support 400G ready chassis and provides large bandwidth, high processing features and rich interface types ( tính nng x lý cao và các dng giao din phong phú ) and services. This course ( Khóa hc ) mainly focuses on hardware architecture, boards and features comparison.
This course will introduce NE40E-X3/X8/X16hardware and compare with other router products.
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Objectives
Upon completion of this course, you will be able to:
Understand the hardware structure and features of NE40E-X3/X8/X16 Routers
Master the functions of each service board
Describe the features and highlights of NE40E-X3/X8/X16 Routers
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Distributed forwarding based on CPU
Modularized interface
Centralized forwarding
Fixed interface
centralized forwarding
In the contemporary era, high performance and diversified service is not only the basic requirement of IP network, but also the duty of the 5th generation Router.
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interface
Switch
Network
Interface
Interface
Interface
Interface
Interface
Interface
CPU
interface
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NP
interface
Interface
Interface
CPU
Interface
CPU
interface
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The development of routes can be divided into 5 generations:
The 1st and the 2nd generation router: single or multiple forwarding modular, Data packet is forwarded by main CPU. Typical Product: AR18/28;
The 3rd generation router: separating ( Chia tách ) forwarding plane and control plane. Main processor unit takes charge of controlling and management( b x lý chính có trách nhim kim soát và qun lý ) , service board takes charge of data forwarding, which is still based on software. So it is very hard to realize high forwarding speed. Typical Product: NE16E/08E/05;
The 4th generation router: separating forwarding plane and control plane. Use ASIC chip to ensure the high speed forwarding.
The 5th generation router: separating forwarding plane and control plane. Use NP chip to ensure the high speed forwarding. Compared ( so sánh ) with ASIC chip, NP chip is easier to update.
NE5000E/80E/40E is a kind of the 5th generation router, and widely used in the incumbent network.
Confidential Information of Huawei. No Spreading Without Permission
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Position of NE40E-X8/X16 routers
NE40E-X8/X16 is usually deployed ( Trin khai ) as the core node of ISP backbone network or the core router of large-scale MAN, large enterprise ( doanh nghip ) network and egress of IDC.
Support IP Bearer network, IPTV bearer network, multi-play IP MAN, IPRAN access network applications.
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Huawei HUAWEI NetEngine40E Universal Service Router (hereinafter referred to as the NE40E) is a high-end router with 10-Gbit/s interfaces designed for core and backbone networks. The NE40E is positioned as the edge or convergence router on the IP backbone network.
Based on the powerful Versatile Routing Platform (VRP), the NE40E features the following:
Excellent Routing capability: distributing forwardingsupporting high-dense line speed forwarding interfaces, supporting diversified routing protocols such as OSPF.IS-IS.BGP and etc. . And the scale of routing table is greater than 1 million.
Abundant service type: adopt advanced Network processor; have abundant service features; and be able to support IPv6, MPLS VPN, Qos, security and something etc.
Extension capacity: adopt non-blocking switching network, and is able to expand by cascade. For example, the interface switching capacity of NE5000E is 1.28T, but the switch capacity of 64-shelf cascade was able to reach 80T.
Telecom Grade Reliability: provides redundancy for key hardware modular, all the modular support hot plugging function. When the main process unit fails, the backup unite will become active to control all the service configured in this router, without any packet loss. Provide upgrade function without any service breaking, and is able to change the configuration “safely” to avoid the network interruption, and maintain the 99.999% system availability.
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New System of NE40E V6R1
NE40E-X8:
NE40E-X16:
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New boards of NE40E-X8/X16 V6R1
Line-card
NE40E/CX600
20 Gbit/s platform
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New boards of NE40E-X8/X16 V6R1
Line-card
NE40E/CX600
CR5D0SRUA470
Switch and Route Processing Unit A4 (including 1*2G Memory and 1*1G CF Card) (X8)
CR5D0MPUB460
Main Processing Unit B4 (including 1*2G Memory and 1*1G CF Card) (X16)
Switching Board
CR5DSFUI407B
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The monitoring plane and service plane are separated
Distributed Forwarding
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The NE40E-X16 adopts a system architecture as shown in Figure above. In this architecture, the data plane, management and control plane, and monitoring plane are separated. This design helps to improve system reliability and facilitates separate upgrade of each plane.
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There are five slots in total, including two MPU (two 1:1 backup MPUs) slots and three LPU slots.
The capacity supported by each slot is 20 Gbit/s and even 40 Gbit/s after later expansion ( Khuych i )
The NE40E-X3 is compatible ( Tích hp ) with all LPUs of the NE40E and shares the software platform with the NE40E.
The MPU is integrated ( Tích hp ) with Stratum-3 clocks and supports the 1588v2 features.
Power supply modules and fan frames support 1+1 backup.
Basic Specification of NE40E-X3 Router
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The height of the NE40E-X3 varies with the power supply modules.
The chassis with the DC power supply module is 4 U high and the dimensions are 442 mm x 750 mm x 175 mm (width x depth x height). The chassis can be installed in an N68E-22 cabinet or a 19-inch standard cabinet.
The chassis with the AC power supply module is 5 U high and the dimensions are 442 mm x 750 mm x 220 mm (width x depth x height). The chassis can be installed in an N68E-22 cabinet or a 19-inch standard cabinet.
There are five slots in total, including two MPU (two 1:1 backup MPUs) slots and three LPU slots.
The capacity supported by each slot is 20 Gbit/s and even 40 Gbit/s after later expansion.
Switching capacity is 240G and user interface capacity is 120G.
The NE40E-X3 is compatible with all LPUs of the NE40E and shares the software platform with the NE40E.
The MPU is integrated with Stratum-3 clocks and supports the 1588v2 features.
Power supply modules and fan frames support 1+1 backup.
The power module supports DC power of -48 V and AC power of 110/220 V and the power is 1600 W.
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With an excellent expandability ( m rng ), the structure supports 7021 LPUF-10/LPUF-20 link card and later mainstream link cards.
The structure supports 20G->40G->80G compatibility scheme. At present, the mainstream ( chính ) delivery is 20 Gbit/s line cards.
Full Mesh Switching Structure
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Switching capacity: 1.44 Tbit/s
1:1 backup of SRUs
1+1 backup of fan modules
Power supply by areas (supply power for two areas)
2+2 backup
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SRU
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The router of the NE40E series adopts ( Thông qua ) a centralized routing engine and a distributed ( phân phi ) forwarding architecture. This helps to provide rich and flexible service and to perform large-capacity forwarding.
The NE40E-X8 adopts an integrated chassis and the main components all support hot swapping ( Trao i nóng ) .
The NE40E-X8 supports all the Line Processing Units (LPUs) on the former NE40E, but the Switch and Route Processing Units (SRUs) and Switch and Fabric Units (SFUs) are new.
As shown in Figure above, the NE40E-X8 has eight LPU slots . Each LPU slot supports 40-Gbit/s upstream traffic and 40-Gbit/s downstream traffic. The switching capacity of the entire system is 1.44 Tbit/s. The capacity of the backplane is 15 Tbit/s. The backplane reserves 400-Gbit/s bandwidth for the upstream traffic and 400-Gbit/s bandwidth for the downstream traffic for each LPU slot.
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Switching capacity: 2.56 Tbit/s
1:1 backup of MPUs
Power supply by areas (supply power for four areas)
4+4 redundancy
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The NE40E-X16 adopts ( Thông qua ) an integrated chassis( Khung ) , and the main components all support hot swapping.
The NE40E-X16 supports all the Line Processing Units (LPUs) on the former NE40E, but the Main Processing Units (MPUs) and Switch and Fabric Units (SFUs) are new.
As shown in Figure above, the NE40E-X16 has 16 LPU slots. Each LPU slot supports 40-Gbit/s upstream traffic and 40-Gbit/s downstream traffic. The switching capacity of the entire system is 2.56 Tbit/s. The capacity of the backplane is 30 Tbit/s. The backplane reserves 400-Gbit/s bandwidth for the upstream traffic and 400-Gbit/s bandwidth for the downstream traffic for each LPU slot.
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Backplane of the NE40E-X8/X16
Backplane of the NE40E-X8
Backplane of the NE40E-X16
Power supply for the two areas of the backplane of the NE40E-X8, in 2+2 backup mode
Power supply for the four areas of the backplane of the NE40E-X16, in 4+4 backup mode
The CMU requires an independent power supply of 5V in 1+1 power supply mode.
Capacity of the backplane for the NE40E-X8: 15 Tbit/s
Capacity of the backplane for theNE40E-X16: 30 Tbit/s
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As shown in figure above, the NE40E-X8 backplane is divided into two areas, with each area having two power inputs. These four power inputs work in backup mode.
The NE40E-X16 backplane is divided into four areas, with each area having two power inputs. These eight power inputs work in backup mode.
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PEM A0
Area 0
Area 1
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As shown in figure above, the NE40E-X8 backplane is divided into two areas ( bng ni a nng c chia làm 2 khu vc , with each area having two power inputs ( mi khu vc có 2 u in vào ). These four power inputs work in backup mode. ( 4 u in vào làm vic ch sao lu )
The NE40E-X8 supports either DC or AC power supply.
In a DC power supply system of the NE40E-X8, four 70 A PEMs work in 2+2 backup mode. The figure shows details on the DC power supply system:
Two -48 V power inputs join on the board.
After the low-frequency filtering, the two -48 V power inputs for fans join inside the fan module.
Each DC power input contains one -48 V power input and one RTN input. Two separated RTN inputs join on the board.
In the case of an AC power supply system, an AC power frame is placed outside the chassis and installed with rectifier modules based on system power. The AC power frame is then connected to the input terminals on the DC-PEMs to supply power for the system. (In short, an external AC power frame is added to the DC power supply system to constitute an AC power supply system.)
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PEM A 0
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As shown in figure above, the NE40E-X16 backplane is divided into four areas, with each area having two power inputs. These eight power inputs work in backup mode.
The NE40E-X16 supports either DC or AC power supply.
In a DC power supply system of the NE40E-X16, eight 70 A PEMs work in 4+4 backup mode.
Figure above shows details on the DC power supply system:
Two -48V power inputs join on the board.
After the low-frequency filtering, the two -48 V power inputs for fans join inside the fan module.
Each DC power input contains one -48 V power inputs and one RTN inputs. Two separated RTN inputs join on the board.
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Area 1
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Figure above shows the outline of the AC rectifier module, and the AC power supply system of the NE40E-X16.
In the case of an AC power supply system, two AC power frames are placed outside the chassis and installed with rectifier modules based on system power. The AC power frames are then connected to the input terminals on the DC-PEMs to supply power for the system. (In short, external AC power frames are added to the DC power supply system to constitute an AC power supply system.)
The input AC power is converted through the AC/DC converter into regulated DC power. Then, the output DC power is connected to the PEMs through external cables to supply power for all boards and fan modules.
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1+1 backup of fan modules
U-shaped air channel for effective heat dissipation
Fan area
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The heat dissipation system is responsible for dissipating heat for the entire system. The heat generated by boards is dissipated through the heat dissipation system. In this manner, the temperature of the components on boards are controlled within a normal range, enabling the boards to work stably.
The heat dissipation system is composed of fan modules (one fan in each fan module), fan control boards (FCBs), temperature sensors, air filters, air intake and exhaust vents, and a system air channel.
When a single fan fails, the other fans automatically rotate at full speed. In this case, the heat dissipation system enables the system to work in a short period of time at ambient temperature of 40.
Temperature sensors, located on the air exhaust vent and boards, are used to monitor the temperature of the components on boards and adjust the fan speed through the command delivered by the SRU to control the temperature in a normal range.
The power modules of the system have two fans of their own for independent heat dissipation.
As the figure shown above, The NE40E-X8 draws air from the front and exhausts air from the back. The air intake vent resides above the board area on the front chassis; the air exhaust vent resides above the board area on the rear chassis.
The two fan modules of the NE40E-X8 are located side by side at the air exhaust vent, with each module containing one fan. The entire system dissipates heat by drawing air, as shown in figure above.
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U-shaped air channel for effective heat dissipation
-X16: separate air channels for heat dissipation of the upper and lower frames
Fan area
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The NE40E-X16 is divided into the upper chassis and the lower chassis, and draws air from the front and exhausts air from the rear. The air intake vent on the upper chassis resides above the board area on the front chassis; the air exhaust vent resides above the board area on the rear chassis. The lower chassis and the upper chassis are opposites. In addition, the upper chassis and the lower chassis have separate heat dissipation systems.
The middle area of the chassis is for SFU slots. The air intake vent of this area resides on the left of the chassis. Two upper SFU slots in the area draw air from the left. When flowing to the right, the air joins the air from the upper chassis. Two lower SFU slots in the area draw air from the left. When flowing to the right, the air joins the air from the lower chassis.
The NE40E-X16 has three air channels:
The upper and lower chassis have separate air channels that draw air from the front and exhausts air from the rear. The air filters at the air intake vents are vertically installed. The curved face, large area, and small windage resistance of the air filters help to improve the heat dissipation efficiency. The two air filters on the upper and lower chassis are the same.
The air channel in the SFU slot area is located on the left of the chassis. The air filter adopts front access. The depth of the air filter is the same as that of an SFU and the height of the air filter is four times the height of the an SFU.
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Air channel
U-shape air channel, draws air from the front top and exhausts air from the rear top
U-shape air channel; The upper chassis: draws air from the front top and exhausts air from the rear top; The lower chassis: draws air from the front bottom and exhausts air from the rear bottom;
Fan number
Fan backup
When a single fan fails, the other fans enables the system to work at normal temperature.
When a single fan fails, the other fans enables the system to work at normal temperature.
Fan speed adjustment
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Inner-Board connector
Backplane connector
Power module
LSW module
Monitoring module
Clock Driver
Switch Module
Routing processing board includes CPU module, the external interface module, stratum-3 clock, etc.
the Routing processing board provides the following functions:
Route calculation;
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The MPU on the NE40E-X16/X8 is responsible for system control and management, for example, route calculation, device management and maintenance, and device monitoring.
The main control modules, clock modules, and LAN switch modules on the MPU work in 1+1 hot backup mode, thus improving system reliability.
The MPUs work in 1:1 backup mode. The two MPUs monitor each other's status. If the master MPU is faulty, the slave MPU automatically becomes the master MPU.
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SRU of the NE40E-X8
An SRU consists of the CPU, storage module, interface module, clock module, communication module, monitoring module, and power module.
The SRUs of the NE40E-X8 are integrated with SFUs.
Highlights of the SRU
Two USB ports: supporting version downloading through USB devices and power supply for USB devices
CF card with mass storage capacity (up to 1 GB)
Compatible with the design of disks
RJ-45/SMB connector: processing Stratum-3 clock and 1588 clock; supporting input and output of 2MHz/2Mbps/1PPS clock signals
High performance multi-core CPU
The bandwidth of the control bus between the SRU and the LPU is increased to 1 Gbit/s.
USB port
1588 v2 Inside
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The control plane of the NE40E is separated from the data plane and the monitoring plane. The SRU is adopted on the NE40E-X8. The SRU integrates an SFU used for data switching.
The following USB interface attributes are supported by SRU:
Supports the biggest USB fat32 format, and supports the memory available in the market.
For security reasons not allowed to write USB storage device .
Updates automatically, insert the USB memory without any operating.
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1588v2 Inside
An MPU consists of the CPU, storage module, interface module, clock module, communication module, monitoring module, and power module.
Highlights of the MPU
Two USB ports: supporting version downloading through USB devices and power supply for USB devices
CF card with mass storage capacity (up to 1 GB)
Compatible with the design of disks
RJ-45/SMB connector: processing Stratum-3 clock and 1588 clock; supporting input and output of 2MHz/2Mbps/1PPS clock signals
High performance multi-core CPU
The bandwidth of the control bus between the MPU and the LPU is increased to 1 Gbit/s.
Providing two 1G or 2.5G SFP interfaces for future expansion into clusters
The architecture is designed to be compatible with the SFU function on future MPUs.
RJ-45 connector, providing clock information and BITS clock
SMB connector, providing clock information and BITS clock
1G/2.5G SFP connector, supporting the architecture of multi-chassis cascading
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The following USB interface attributes are supported by MPU:
Supports the biggest USB fat32 format, and supports the memory available in the market.
For security reasons not allowed to write USB storage device .
Updates automatically, insert the USB memory without any operating.
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Mainly responsible for switching data between LPUs.
-X16 has four SFUs that work in 3+1 load balancing mode.
X8 support 2+1 load balancing mode
Indicators on panel include ACT indicator, RUN indicator and OFL indicator.
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A switching network is a key component of the NE40E and is responsible for switching data between LPUs. ( chu trách nhim chuyn i d liu gia các LPU )
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SFU
Architecture: 2+1 backup of SFUs. Two SFUs are integrated on the SRU.
Capacity: 480 Gbit/s for each SFU. The capacity of the entire system is 1.44 Tbit/s.
Features: Large capacity, congestion-free, high reliability, and supporting switching capacity of
40G/slot.
Redundancy: Three SFUs work in load balancing mode. When one SFU fails, the traffic is switched to the other SFUs automatically.
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The SFU on the NE40E-X8 switches data for the entire system at wire speed of 480 Gbit/s (240 Gbit/s for the upstream traffic and 240 Gbit/s for the downstream traffic). This ensures a non-blocking switching network.
The NE40E-X8 has three SFUs working in 2+1 load balancing mode. The entire system provides a switching capacity at wire speed of 1.44 Tbit/s.
The three SFUs load balance services at the same time. When one SFU is faulty or replaced, the other two SFUs automatically take over its tasks to ensure normal running of services.
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Interface
Interface
Redundancy: Four SFUs work in load balancing mode. When one SFU fails, the traffic is switched to the other SFUs automatically.
LPU
LPU
Architecture: 3+1 backup of SFUs.
Capacity: 640 Gbit/s for each SFU. The capacity of the entire system is 2.56 Tbit/s.
Features: Large capacity, congestion-free, high reliability, and supporting switching capacity of 40G/slot.
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The SFU on the NE40E-X16 switches data for the entire system at wire speed of 640 Gbit/s (320 Gbit/s for the upstream traffic and 320 Gbit/s for the downstream traffic). This ensures a non-blocking switching network.
The NE40E-X16 has four SFUs working in 3+1 load balancing mode. The entire system provides a switching capacity at wire speed of 2.56 Tbit/s.
The four SFUs load balance services at the same time. When one SFU is faulty or replaced, the other three SFUs automatically take over its tasks to ensure normal running of services.
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Extensive environment monitoring functions
Alarm detection of the smoke sensor :Supports the connection to the smoke sensor through the panel to detect the alarm signals from the chassis or equipment room.
Detection of the ambient temperature :Supports the connection to the temperature sensor through the panel to detect the temperature of the chassis or equipment room.
Access control management :Detects whether access control is enabled through magnetic inspection and reports the inspection signal to the device. The remote unlocking function is reserved. You can instruct the CMU to enable or disable access control through the remote control function.
Device alarm output :The CMU provides two-level alarm output signals.
Main contact point inspection :The CMU can provide six main contact points to detect signal input and monitor whether the devices outside the chassis work normally.
One 232 and 485 serial interface :Provides an RS-232 serial interface, which is connected to the panel. You can use it to query or locate information about the CMU. In addition, the CMU provides an R-485 serial port, which is connected to the panel. You can connect an device to this interface. The interface supports full-duplex mode.
Perform the system environment monitoring and access control functions
Not require additional devices, saving customers’ investment.
Indicator
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Remarks
Backplane
Different in size
Different and cannot be shared
The hardware of the SFUs is the same. The connector between the SFU and backplane is different.
SRU/MPU
SRU for NE40E-X8; MPU for NE40E-X16
LPU

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As shown in table above, the board compatibilities between the NE40E-X8 and NE40E-X16 are summarized.
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LPUF Mother Card
With SFUG together
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The NE40E-X8/X16’s motherboard for flexible plug-in card can be divided into:
LPUF-40 (NE 40G platform): provides two slots, each of which can hold a flexible plug-in card of the LPUF-40. The cards support hot swap. The LPUF-40 supports a maximum of 40 Gbit/s bandwidth.
LPUF-21 (NE 20G platform): need to be used together with the SFUG. The FPICs support hot swap.
LPUF-10 (NE 10G platform): provides four slots that can be inserted with two full-height FPICs or four half-height FPICs.
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Main function:
Classify, search and forward data at a wire speed of 40G; traffic management, process link protocol;
netstream supported by service boardOAM;
Highlights of LPUF40
Consist of CPU module, switching interface module, TM module, forwarding module, OAM and netstream module etc;
Support flexible subcardeach LPUF-40 can be inserted with 2 subcard;
Support NE80E,NE40E-X8 and NE40E-X16 hardware platform, the whole NE80E system provides only 8KWnot 5KW.
Support restricted use on NE40E-X3 platform.
TO backpland
From PIC
From PIC
SI module
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The LPUF-40-A supports all software features, whereas the LPUF-40-B supports software features except L3VPN, MVPN, and IPv6.
The LPUF-40-B can be upgraded to support features of the LPUF-40-A through licenses.
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Item
Specifications
41mm×520mm×400mm
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GE optical module, providing features of GE optical interfaces.
FE optical module, providing features of FE optical interfaces.
Electrical interface SFP module, providing features of the 10M/100M/1000M adaptive electrical interfaces.
Intermixing of the preceding modules.
2 types of PIC code, have the same appearance, the difference is that the 20-port 100/1000Base-X-SFP flexible card A supports IEEE1588v2.
20-port 100/1000Base-X SFP flexible plug-in card
Optical interface XFP module, providing features of the 10GE adaptive;
Support LAN/WAN mode.
10GE optical interface XFP module;
Support LAN/WAN mode.
20-port 100/1000Base-X SFP flexible plug-in card A
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The motherboard LPUF40 supports several flexible plug-in cards , the appearances of cards are shown in the figures above.
20-port 100/1000Base-X SFP flexible plug-in card
20-port 100/1000Base-X SFP flexible plug-in card A
Support IEEE1588v2
The same appearance as 20-port 100/1000Base-X SFP flexible plug-in card
2-port 10GBase LAN/WAN-XFP flexible plug-in card
2-port 10GBase LAN/WAN-XFP FPIC flexible plug-in card A
Supports IEEE1588v2.
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GE optical module, providing features of GE optical interfaces
Electrical interface SFP module, providing features of the 10M/100M/1000M adaptive electrical interfaces
Intermixing of the preceding modules
LPUF10: 8*GE
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The figure above shows the appearance of the flexible plug-in cards the matherboard LPUF21/LPUF10 support.
2-port 10GBase LAN/WAN-XFP+20-port 100/1000Base-X SFP FPIC
Provides the following interface module:
Electrical interface SFP module, providing features of the 10M/100M/1000M adaptive electrical interfaces
Intermixing of the preceding modules
Be suitable for NE 20G-platform matherboard LPUF21.
8-Port 100/1000Base-X-SFP Flexible Card A
Supports the following interface modules:
The card is applicable to the 10G LPU (that is LPUF-10) .
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Contents
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NE40E-4
NE80E/CX600-16
NE40E/CX600-8
20 U
36 U
400G platform
32 U
Available in 2009Q1
Available in 2009Q3
Available in 2009Q3
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Comparison of Key Parameters Between the V6R1 New and Previous Systems
Parameter
NE40E-X16
NE80E
NE40E-X8
NE40E-8
NE40E-X3
3 LPU2 MPU
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Introduction of router NE40E-X3:
The NE40E-X3 adopts a centralized routing engine and a distributed forwarding architecture.
The NE40E-X3 adopts an integrated chassis and the main components all support hot swapping.
The NE40E-X3 has two types of chassis, namely, the DC chassis and the AC chassis.
The NE40E-X3 has three LPU slots. Each slot supports 40-Gbit/s upstream traffic and 40-Gbit/s downstream traffic. The switching capacity is 1.08Tbit/s.
The MPU of the NE40E-X3 controls and manages the system and switches data. The MPUs work in 1:1 backup mode. The MPU consists of the main control unit, switching unit, system clock unit, synchronous clock unit, and system maintenance unit.
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NE80E-16: 4 Tbps
The backplane provides 40 pairs of SerDes links for each of the 16 slots. The bandwidth of a SerDes link is 3.125 Gbps. Each pair of SerDes links provides bidirectional data transmission. The 8B/10B cost is excluded from the backplane capacity. Hence, the backplane capacity is: 40 x 16 x 3.125 Gbps x 2 = 4 Tbps.
NE40E-8: 2Tbps
The device provides eight slots, and the backplane capacity is 40 x 8 x 3.125 Gbps x 2 = 2 Tbps.
NE40E-4: 1 Tbps
The device provides four slots, and the backplane capacity is 40 x 4 x 3.125 x 2 Gbps = 1 Tbps.
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NE40E-X16: 30 Tbps
The backplane provides 72 pairs of SerDes links for each of the 16 service slots and 32 pairs of SerDes links for each of the two SRU slot. The rate of a SerDes link is up to 12.5 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the backplane capacity is: 72 x 16 x 12.5 G + 32 x 2 x 12.5 G x 2 = 30.4 Tbps. (30 Tbps adopted for promotion)
NE40E-X815 Tbps
The backplane provides 72 pairs of SerDes links for each of the eight service slots and 24 pairs of SerDes links for each of the two SRU slots. The rate of a SerDes link is up to 12.5 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the backplane capacity is: 72 x 8 x 12.5 G + 24 x 2 x 12.5 G x 2 = 15.6 Tbps. (15 Tbps adopted for promotion)
NE40E-X31.35 Tbps
The backplane provides 54 pairs of SerDes links for all the three service slots. The rate of a SerDes link is up to 12.5 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the backplane capacity is: 54 x 12.5 G x 2 = 1.35 Tbps.
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In the NE40E–X3 system, three LPUs are fully meshed through the backplane. The backplane provides 54 pairs of Serdes links and each LPU provides 36 pairs of Serdes links to connect to the backplane. Therefore, the backplane capacity is 36*3/2x12.5G*2=1.35 Tbps
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NE80E-16: 2.56Tbps
Each of the 16 slots provides 32 pair of SerDes links. At present, 32 pairs of the total 40 pairs of SerDes links are used. The bandwidth of a SerDes link is 3.125 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the switching capacity is: 32 x 16 x 3.125 x (8B/10B) x 2 = 2.56 Tbps
NE40E-8: 640Gbps
Each of the eight slots provides 16 pairs of SerDes links. At present, 16 pairs of the total 40 pairs of SerDes links are used. The bandwidth of a SerDes link is 3.125 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the switching capacity is: 16 x 8 x 3.125 x (8B/10B) x 2 = 640 Gbps
NE40E-4: 320Gbps
The types and numbers of the SRUs and SFUs used on the NE40E-4 are the same as that of the SRUs and SFUs used on the NE40E-8. Hence, the capacity of the SFUs on the NE40E-4 can be up to 640 Gbps. The NE40E-4 provides only four slots. Hence, the witching capacity is: 16 x 4 x 3.125 x (8B/10B) x 2 = 320 Gbps
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NE40E-X16: 2.56Tbps
Each of the 16 slots provides 32 pairs of SerDes links. At present, 32 pairs of the total 72 pairs of SerDes links are used. The bandwidth of a SerDes link is 3.125 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the switching capacity is: 32 x 16 x 3.125 x (8B/10B) x 2 = 2.56 Tbps
NE40E-X8: 1.44Tbps
Each of the eight slots provides 36 pairs of SerDes links. At present, 36 pairs of the total 72 pairs of SerDes links are used. The bandwidth of a SerDes link is 3.125 Gbps. Each pair of SerDes links provides bidirectional data transmission. Hence, the switching capacity is: 32 x 8 x 3.125 x (8B/10B) x 2 = 1.44 Tbps
NE40E-X3: 1.08Tbps
Each of the three slots provides 36 pairs of SerDes links. The bandwidth of a SerDes link is up to 12.5 Gbps. Each pair of SerDes links provides bidirectional data transmission. The NE40E-X3 adopts the full-mesh connection for the LPUs and backplane; hence, the switching capacity is: (36 x 3/2) x 12.5 x (8B/10B) x 2 = 1.08 Tbps
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In the NE40E–X3 system, three LPUs are fully meshed through the backplane, so the switching capacity depends on the Serdes bandwidth. Currently, the backplane provides 12.5G Serdes bandwidth, so the switching capacity of the –X3 system depends on the Serdes capacity on the LPUs. Considering that the hardware does not need to be replaced to support even larger switching capacity, the switching capacity is (36*3/2)*12.5*(8B/10B)*21.08Tbps .
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Comparison of Key Hardware Between the V6R1 New System and Previous System (SRUs)
MPU/SRU of the New System
MPU/SRU of the Previous System
Improvement in CPUs
Type: Power PC dual-core Dominant frequency: 1.5 GHz for one core
Type: Power PC Dominant frequency : 1 GHz
Improvement in memory capacity
1 G standard configuration, can be upgraded to 2 G
BOOT ROM
Increase in the bandwidth of the control bus
GE
FE
Differences in other key features
USB port supported Hard disk compatible Providing 1G/2.5G Ethernet SFP interfaces to support the future design of a multi-chassis system Architecture supporting the integration of SFUs and SRUs
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Comparison of Key Hardware Between the V6R1 New and Previous Systems (SFUs)
Item
Improvement in SFU capacity
-X16/-16
An SFU has one switching chip with the capacity of 640 G.
An SFU has four switching chips, each of which has the capacity of 160 G.
-X8/-8
SFU has one switching chip with the capacity of 480 G.
An SFU has one switching chips which the capacity of 160 G.
Redundancy mode of the SFUs
-X16/-16
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Huawei
Cisco
Huawei
Cisco
Chassis
11 chassis in one cabinet
Four chassis in one cabinet
Three chassis in a cabinet
Two chassis in a cabinet
4U
10U
14U
21U
NE40E-X3
NE40E-X8
1320
640
132
64
640
960
64
96
Height
Height
ASR9006
ASR9010
60%
50%
50%
33%
33%
33%
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Questions
Please describe the network position of NE40E-X8/X16 routers.
What is the difference between the control planes of NE40E-X8 and NE40E-X16?
What is the difference between the SFUs of NE40E-X8 and NE40E-X16?
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Answer:
NE40E-X8/X16 is usually deployed as the core node of ISP backbone network or the core router of large-scale MAN, large enterprise network and egress of IDC.
Support IP Bearer network, IPTV bearer network, multi-play IP MAN, IPRAN access network applications.
What is the difference between the control planes of NE40E-X8 and NE40E-X16?
Answer:
The control plane of the NE40E-X8 is separated from the data plane and the monitoring plane. The SRU is adopted on the NE40E-X8. The SRU integrates an SFU used for data switching.
The control plane of the NE40-X16 is MPU, on which doesn’t integrate SFU.
What is the difference between the SFUs of NE40E-X8 and NE40E-X16?
Answer:
The SFU on the NE40E-X8 switches data for the entire system at wire speed of 480 Gbit/s (240 Gbit/s for the upstream traffic and 240 Gbit/s for the downstream traffic). This ensures a non-blocking switching network. The NE40E-X8 has three SFUs working in 2+1 load balancing mode. The entire system provides a switching capacity at wire speed of 1.44 Tbit/s. The three SFUs load balance services at the same time. When one SFU is faulty or replaced, the other two SFUs automatically take over its tasks to ensure normal running of services.
The SFU on the NE40E-X16 switches data for the entire system at wire speed of 640 Gbit/s (320 Gbit/s for the upstream traffic and 320 Gbit/s for the downstream traffic). This ensures a non-blocking switching network. The NE40E-X16 has four SFUs working in 3+1 load balancing mode. The entire system provides a switching capacity at wire speed of 2.56 Tbit/s. The four SFUs load balance services at the same time. When one SFU is faulty or replaced, the other three SFUs automatically take over its tasks to ensure normal running of services.
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(1.1) ne40e-x series products hardware introduction

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