CN107370681A - A kind of modular router - Google Patents
A kind of modular router Download PDFInfo
- Publication number
- CN107370681A CN107370681A CN201610313343.2A CN201610313343A CN107370681A CN 107370681 A CN107370681 A CN 107370681A CN 201610313343 A CN201610313343 A CN 201610313343A CN 107370681 A CN107370681 A CN 107370681A
- Authority
- CN
- China
- Prior art keywords
- packet forwarding
- forwarding unit
- crosspoint
- router
- modular router
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/60—Router architectures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of modular router, the modular router includes：At least one packet forwarding unit and crosspoint, packet forwarding unit are connected with crosspoint by cable.Pass through the implementation of the present invention, the router of integrated subrack form commonly used in the prior art is split as multiple modular packet forwarding units and the crosspoint concentrated, backboard is substituted by cable and realizes connection, so, the quantity of packet forwarding unit and set location are no longer limited by the backboard in subrack, solve the problems, such as existing route power system capacity and dimension-limited, further, each packet forwarding unit independently considers heat dissipation design, without influencing each other for system-level heat dissipation design, adds reliability.
Description
Technical field
The present invention relates to communication device exercises field, more particularly to a kind of modular router.
Background technology
With the development of optical interconnection technology, the speed more and more higher of current communication devices inner high speed bus,
The communication equipment forwarding bandwidth demand of convergence and core node is increasing, and all integrated subrack or collection
Group's system；Board power consumption more and more higher, radiating also have become the bottleneck of route system design.
Optical interconnection is primarily to passage length caused by solving higher and higher core bus speed is more next
The problem of shorter, the electric backboard of tradition have become large capacity exchanger, router design key technology or
Bottleneck.Currently, the main solution of optical interconnection has fiber waveguide backboard, optical fiber soft board or direct optical fiber mutual
Connection, still, the problem of fiber waveguide is current are that still larger, fiber waveguide backboard and optical fiber is lost in waveguide material
The technique of soft board is not yet overripened, relatively ripe using optical fiber interconnection；Meanwhile the list of optical interconnection
The optical connector that plate uses can't also meet the use demands such as vertical mode very well at present；Optical interface veneer
Seriation does not have advantage compared to the electric backboard of tradition, the cost of low capacity subrack；It is exactly the radiating of system in addition
For bottleneck than more prominent in big system, the power consumption of radiator fan configures veneer because system air channel is an entirety
Wasted when few obvious；The cost of optical interconnection is also very expensive.
In view of the above-mentioned problems, a kind of modular router framework is proposed, to solve existing route power system capacity
And the problem of dimension-limited, it is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The invention provides a kind of modular router, to solve existing route power system capacity and dimension-limited
The problem of.
The invention provides a kind of modular router, and it includes：At least one packet forwarding unit and
Crosspoint, packet forwarding unit are connected with crosspoint by cable.
Further, the mode of operation of crosspoint is single mode.
Further, packet forwarding unit includes independent radiating module and power supply.
Further, radiating module includes radiator fan and heat pipe, and heat pipe is used to connect packet forwarding unit
Interior heat radiation chip, the heat of heat radiation chip is guided to the tuyere position of radiator fan.
Further, packet forwarding unit is provided with two layers of process plate.
Further, packet forwarding unit is additionally included in plate optical module, is used to pass through light connects in plate optical module
Device connects crosspoint.
Further, crosspoint includes network board, master control borad, power supply and radiator fan.
Further, the quantity of network board and the quantity Matching of packet forwarding unit.
Further, network board is provided with multiple switching network chips and optical module interface, same light
The universal serial bus of module interface connection, which is divided equally, is connected to each switching network chip.
Further, packet forwarding unit and crosspoint are provided with standard optical module applicable interface；Cable bag
Cable and optical fiber are included, packet forwarding unit and crosspoint are according to distance, based on standard optical module applicable interface
Connected using cable or optical fiber.
Beneficial effects of the present invention：
The invention provides a kind of modular router, by by integrated subrack commonly used in the prior art
The router of form is split as multiple modular packet forwarding units and the crosspoint concentrated, and passes through cable
Substitute backboard and realize connection, so, the quantity and set location of packet forwarding unit are no longer limited by subrack
Backboard, solve the problems, such as existing route power system capacity and dimension-limited.Further, each bag turns
Bill member is independent to consider heat dissipation design, without influencing each other for system-level heat dissipation design, also increases reliability.
Brief description of the drawings
Fig. 1 is the structural representation for the modular router that first embodiment of the invention provides；
Fig. 2 is the structural representation for the modular router that second embodiment of the invention provides；
Fig. 3 is the structural representation of the packet forwarding unit in second embodiment of the invention；
Fig. 4 is the structural representation of the crosspoint in second embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describing, it is clear that described embodiment is part of the embodiment in the present invention, and
The embodiment being not all of.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Further annotation explanation is now made to the present invention by way of embodiment combination accompanying drawing.
First embodiment：
Fig. 1 is the structural representation for the modular router that first embodiment of the invention provides, can by Fig. 1
Know, in the present embodiment, modular router provided by the invention includes：At least one packet forwarding unit
101 and crosspoint 102, packet forwarding unit 101 be connected with crosspoint 102 by cable.
In certain embodiments, the mode of operation of the crosspoint in above-described embodiment is single mode.This
Sample, switching network only need to be operated in single mode, compared to group system, eliminate the exchange web-roll core of half
Piece.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment includes independent radiating module
And power supply.So, each packet forwarding unit independently considers heat dissipation design, without system-level heat dissipation design
Influence each other, also increase reliability.
In certain embodiments, the radiating module in above-described embodiment includes radiator fan and heat pipe, heat
Manage for connecting heat radiation chip in packet forwarding unit, the heat of heat radiation chip is guided to the wind of radiator fan
Mouth position.So, the radiating effect of packet forwarding unit is more preferable.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment also includes hardware management module,
Hardware management module is connected by serial management bus.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment also includes synchronised clock input
Interface, synchronised clock input interface are connected by coaxial or biaxial cable.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment is provided with two layers of process plate.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment is additionally included in plate optical module,
It is used to connect crosspoint by optical connector in plate optical module.In actual applications, according to scene,
Such as need data capacity to be processed is excessive to cause rear board insufficient space, it is possible to which use is in plate optical module
In connecting crosspoint by optical connector, to solve this problem.
In certain embodiments, the crosspoint 102 in above-described embodiment include network board, master control borad,
Power supply and radiator fan.
In certain embodiments, the quantity of the network board in above-described embodiment and the quantity of packet forwarding unit
Matching.So, the network board of varying number is configured, the packet forwarding unit of varying number can be connected.
In certain embodiments, the network board in above-described embodiment be provided with multiple switching network chips and
Optical module interface, the universal serial bus of same optical module interface connection, which is divided equally, is connected to each switching network chip.
In certain embodiments, the packet forwarding unit 101 in above-described embodiment and crosspoint 102 are equal
It is provided with standard optical module applicable interface；Cable includes cable and optical fiber, packet forwarding unit 101 and crosspoint
102, according to distance, are connected based on standard optical module applicable interface using cable or optical fiber.
Second embodiment：
Further annotation explanation is done to the present invention in conjunction with concrete application scene.
Inside communication equipment high-speed bus speed more and more higher, oriented optical interconnection development trend；Convergence and core
The communication equipment forwarding bandwidth demand of heart node is increasing, and all integrated subrack or group system；
Board power consumption more and more higher, radiating also have become the bottleneck of system design.Optical interconnection is primarily to solution
The problem of passage length caused by certainly higher and higher core bus speed is shorter and shorter, the electric backboard of tradition is
Through as large capacity exchanger, the key technology of router design or bottleneck.The main solution party of optical interconnection
The problem of case has fiber waveguide backboard, optical fiber soft board or the interconnection of direct optical fiber, and fiber waveguide is current is waveguide material
Loss is still larger, and the technique of fiber waveguide backboard and optical fiber soft board is not yet overripened, is interconnected using optical fiber
It is relatively ripe；Meanwhile the optical connector that the veneer of optical interconnection uses can't also meet very well at present
The use demands such as vertical mode；The seriation of optical interface veneer compared to the electric backboard of tradition, low capacity subrack into
This does not have advantage；In addition be exactly system radiating bottleneck in big system than more prominent, the work(of radiator fan
Because system air channel is an entirety, configuration veneer wastes obvious consumption when few；The cost of optical interconnection is also very expensive；
The present embodiment devise a kind of novel modularized framework and based on this framework realize communication equipment it is hard
Part is overall, solves High Speed System cost height, and fiber waveguide technique, optical connector are immature, optical interconnection series
It is low to change cost performance, radiating is difficult and the problems such as power system capacity dimension-limited.
In actual applications, integrated subrack is split as multiple moulds by the modularization framework that the present embodiment provides
The packet forwarding unit of block and the crosspoint concentrated, backboard is substituted by cable and realizes connection.Such as Fig. 2
It is shown, including such as lower part：
101 show packet forwarding unit in figure, are made up of bag process plate and interface card, and interface card can be set
Modularization is counted into, is easy to flexible configuration；102 show integrated crosspoint in figure, by network board 105,
The part such as master control borad 106, power supply 107, fan 108 forms；Between network board and packet forwarding unit
It is using optical fiber or closely (usual by the optical module interface (such as QSFP28, CXP) of standard
Less than 6 meters) when use cable connection, as shown in figure 103；In order to realize integrated exchange in net unit
Control, management of the master control borad to bag processing unit, are connected using Ethernet；It is reliable for strengthening system
Property, hardware management module can also be increased, (such as CAN, RS485 are connected by serial management bus
Deng)；If system requires to clock, synchronised clock input interface can also be increased, and by coaxial
Cable or biaxial cable connection, as shown in figure 104.
The radiating of packet forwarding unit 101 is crucial, but need to only consider the radiating for solving a unit, system
Radiating also just solve, inside it is contemplated that using heat pipe transfers heat to air port increase radiating effect
Rate, in order to select suitable fin, increase the radiating effect of fan, the box structure of retransmission unit can also
Consider the height using 2U.
A modular router based on this modularization architecture design, system connect same Fig. 2, use CXP
Interface connects.
Packet forwarding unit 101 designs shown in Figure 3, optional support 4 or 8 interface subcards,
See 201；202 be radiator fan, because key chip power is larger, can be led heat using heat pipe
Tuyere position improves radiating；203 be DC power source unit；204 be the Ethernet interface of communication.
In actual design, 2 layers of process plate, maximum expansible support 8T process bandwidths can be supported；After if
Panel space anxiety can also use BOA (Board Mount Optical Assembly, in plate optical mode
Block), rear board is connected to by optical connector.
Fig. 4 show network board signal, and 301 be CXP optical modules interface (2X12 roads), and 302 are
Switching network chip, in order to connect more packet forwarding units, it is necessary to which two chips go out the serdes of half respectively
Bus could support up 24 packet forwarding units of connection to same optical module, this scheme.
The present embodiment provides a kind of modularized hardware framework and the communication equipment realized based on this framework, can be with
Effectively solves each problem above addressed.Mainly include：
1. this modularization framework can realize flexible configuration, seriation is easily realized, light is solved and connects
Mouth veneer is used for the low problem of cost performance of small subrack.Each packet forwarding unit is all an independent route
Device, 2-3 platforms can use full mesh connections；The packet forwarding unit of varying number can connect collection and strike a bargain
Draping unit, the network board for configuring varying number meet different configuration needs；
2. having avoided fiber waveguide backplane technology and the jejune problem of technique using optical fiber interconnection, also eliminate
Use the expense and high-speed channel length constraint of backboard；
3. be instead of using the optical module interface of standard using optical connector, it is incomplete, orthogonal series has been avoided
Optical connector technology is immature and needs the difficulty customized；
4. each packet forwarding unit independently considers heat dissipation design, without influencing each other for system-level heat dissipation design,
Reliability is also increased, the heat dissipation problem of a unit solves, and the heat dissipation problem of system also just solves；
5. for configuring scale is smaller, it may be considered that use CXP, QSFP28 cable connection generation of standard
For light connects, link cost can be saved；
6. system scale is not constrained by subrack, the system that can configure large bandwidth, the example of this patent can
To support 24 packet forwarding units, the total process bandwidth of system can reach 192Tbps, if network board
Increase switching network chip can also support bigger system.Big system subrack is equally saved compared to group system
Design, switching network only need to be operated in single mode, eliminate the switching network chip of half.
Modularization framework is mainly illustrated referring to Fig. 2, using standard optical module applicable interface, is thought by modularization
Think, realize the flexible configuration of system, meet to realize big system under the switching bus speed that system improves constantly
Demand, and control cost is in tolerance interval.
System can use the multistage more planes of traditional router to exchange (CLOS) framework and nest plate realization,
The leaf ridge framework (spine-leaf) of super cloud router can also be used, is realized by lossless Ethernet each
Control, management between unit, and realize control, forwarding surface separation etc..
The realization of bag processing unit 101 is primarily upon optical interconnection interface, is selected according to the exchange capacity of module
Suitable interface shape etc. meets bandwidth and panel space demand；The radiating of packet forwarding unit is that another is heavy
Point according to chip power-consumption and interior layout optimization radiating, it is necessary to meet to require；Management, the communication of chain of command
The reasonable arrangement as needed such as interface and hardware management interface, clock interface.
The design key of power board optical interface selection, it is necessary to reference to packet forwarding unit selection, if
There is multi-disc switching network chip to be also noted that and the bus decile of different switching network chips is aggregated into each optical mode
It is easy to support more packet forwarding units in block.
Link cost can be saved by selecting biaxial cable component to substitute optical cable connection when connecting closer to the distance, be marked
Accurate optical module interface has corresponding CA cable assembly substantially, uses the relatively conjunction of QSFP28 forms during 25G speed
It is suitable, it is thicker using CXP cable, but QSFP28 can bring and take the more problem of panel space again,
Need according to scheme and demand comprehensive selection.
In summary, by the implementation of the present invention, following beneficial effect at least be present：
The invention provides a kind of modular router, by by integrated subrack commonly used in the prior art
The router of form is split as multiple modular packet forwarding units and the crosspoint concentrated, and passes through cable
Substitute backboard and realize connection, so, the quantity and set location of packet forwarding unit are no longer limited by subrack
Backboard, solve the problems, such as existing route power system capacity and dimension-limited.
Further, each packet forwarding unit independently considers heat dissipation design, the phase without system-level heat dissipation design
Mutually influence, also increase reliability.
It the above is only the embodiment of the present invention, any formal limit not done to the present invention
Make, every any simple modification made according to technical spirit of the invention to embodiment of above, be equal
Change, combination or modification, still fall within the protection domain of technical solution of the present invention.
Claims (10)
- A kind of 1. modular router, it is characterised in that including：At least one packet forwarding unit and Crosspoint, the packet forwarding unit are connected with the crosspoint by cable.
- 2. modular router as claimed in claim 1, it is characterised in that the work of the crosspoint Operation mode is single mode.
- 3. modular router as claimed in claim 1, it is characterised in that each packet forwarding unit includes Independent radiating module and power supply.
- 4. modular router as claimed in claim 3, it is characterised in that the radiating module includes Radiator fan and heat pipe, the heat pipe is used to connect heat radiation chip in the packet forwarding unit, by described in The heat of heat radiation chip is guided to the tuyere position of the radiator fan.
- 5. modular router as claimed in claim 3, it is characterised in that the packet forwarding unit is set It is equipped with two layers of process plate.
- 6. modular router as claimed in claim 3, it is characterised in that the packet forwarding unit is also It is included in plate optical module, it is described to be used to connect the crosspoint by optical connector in plate optical module.
- 7. modular router as claimed in claim 1, it is characterised in that the crosspoint includes Network board, master control borad, power supply and radiator fan.
- 8. modular router as claimed in claim 7, it is characterised in that the number of the network board Amount and the quantity Matching of the packet forwarding unit.
- 9. modular router as claimed in claim 7, it is characterised in that the network board is set There are multiple switching network chips and optical module interface, the universal serial bus of same optical module interface connection is divided equally It is connected to each switching network chip.
- 10. the modular router as described in any one of claim 1 to 9, it is characterised in that institute State packet forwarding unit and the crosspoint is provided with standard optical module applicable interface；The cable includes electricity Cable and optical fiber, the packet forwarding unit and the crosspoint are according to distance, based on the standard light Module interface is connected using cable or optical fiber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313343.2A CN107370681A (en) | 2016-05-11 | 2016-05-11 | A kind of modular router |
| PCT/CN2017/078413 WO2017193721A1 (en) | 2016-05-11 | 2017-03-28 | Modular router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313343.2A CN107370681A (en) | 2016-05-11 | 2016-05-11 | A kind of modular router |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107370681A true CN107370681A (en) | 2017-11-21 |
Family
ID=60266119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610313343.2A Withdrawn CN107370681A (en) | 2016-05-11 | 2016-05-11 | A kind of modular router |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107370681A (en) |
| WO (1) | WO2017193721A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787905B (en) * | 2019-01-23 | 2021-08-06 | 郭纪良 | Internet of things router |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243357A (en) * | 2014-09-02 | 2014-12-24 | 深圳市腾讯计算机系统有限公司 | Switch, switching system, switching network chip assemblies and forwarding chip assemblies |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202634988U (en) * | 2011-10-31 | 2012-12-26 | 杭州迪普科技有限公司 | Network communication equipment |
| TWI508497B (en) * | 2013-01-11 | 2015-11-11 | Gemtek Technology Co Ltd | Routing device and processing method for network package thereof |
| CN104243355A (en) * | 2013-06-09 | 2014-12-24 | 天津科电网络有限公司 | Method for manufacturing network switch with wireless function |
-
2016
- 2016-05-11 CN CN201610313343.2A patent/CN107370681A/en not_active Withdrawn
-
2017
- 2017-03-28 WO PCT/CN2017/078413 patent/WO2017193721A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243357A (en) * | 2014-09-02 | 2014-12-24 | 深圳市腾讯计算机系统有限公司 | Switch, switching system, switching network chip assemblies and forwarding chip assemblies |
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| Publication number | Publication date |
|---|---|
| WO2017193721A1 (en) | 2017-11-16 |
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Application publication date: 20171121 |