CN110391990A - Data transmission method and device, system, storage medium, electronic device - Google Patents
Data transmission method and device, system, storage medium, electronic device Download PDFInfo
- Publication number
- CN110391990A CN110391990A CN201810347458.2A CN201810347458A CN110391990A CN 110391990 A CN110391990 A CN 110391990A CN 201810347458 A CN201810347458 A CN 201810347458A CN 110391990 A CN110391990 A CN 110391990A
- Authority
- CN
- China
- Prior art keywords
- unit
- cell
- fic
- clock
- packet message
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/56—Queue scheduling implementing delay-aware scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/109—Integrated on microchip, e.g. switch-on-chip
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
Abstract
The present invention provides a kind of data transmission method and device, system, storage medium, electronic devices, wherein, the device includes: the first data switching networks interface chip FIC unit, for receiving packet message, and packet message is packaged into multiple first cells, cross unit is sent to after dispatching multiple first cells according to unified clock；System clock is connect with the first FIC unit, for providing unified clock for data transmission device.Through the invention, the technical issues of being easy to produce exchange conflict and congestion when solving in the related technology using grouping skewing mechanism transmission data.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method and device, system, storage medium,
Electronic device.
Background technique
As telecommunications network is to packetizing and broadband development, the capacity and intersection of equipment are intersected to transmission in telecom operators
Delay proposes higher requirement.Circuit cross-overs and time-slot cross technology in the related technology are difficult due to being limited by crossover scale
Accomplish high capacity of switch, there is also grouping interleaving techniques for the relevant technologies, and packet switch is using storage forwarding transmission mode, by one
Long message is first divided into several shorter groupings, then one by one these groupings (carrying source, destination address and number information)
Ground is sent.Grouping cross matrix is easy to extend, therefore cross-capacity is easily done very greatly, but packet switch is due to needing
Storage forwarding is carried out to data packet, therefore intersection time delay is larger, cannot fully meet some new business and want to propagation delay time
It asks.
Grouping, which intersects, to be had the feature that
Exchange needs to carry out data packet storage forwarding, therefore it is larger to intersect time delay.
As MESSAGE EXCHANGE, each grouping will make plus information such as source, destination address and packet numberings for packet switch
The information content of transmission increases, and reduces communication efficiency to a certain extent, increases the time of processing, keeps control complicated, time delay increases
Add.
When packet switch uses datagram service, in fact it could happen that out-of-sequence, loss or repeated packets, grouping reach purpose knot
When point, work are ranked up etc. to grouping by number, increase time delay.
There is the possibility of conflict in packet switch, equally also will increase switching delay.
In conclusion it is exactly that switching delay is larger and be not fixed that grouping, which intersects a very big problem, in the related technology, it is right
It is not applicable in the business of current some pairs of delay sensitives, equipment cannot be intersected with grouping to realize traffic scheduling and transmission.
For the above problem present in the relevant technologies, at present it is not yet found that the solution of effect.
Summary of the invention
The embodiment of the invention provides a kind of data transmission method and device, system, storage medium, electronic devices.
According to one embodiment of present invention, a kind of data transmission device is provided, comprising: the first data switching networks connects
Mouth chip FIC unit, is packaged into multiple first cells for receiving packet message, and by the packet message, when according to unification
Clock is sent to cross unit after dispatching the multiple first cell；System clock is connect with the first FIC unit, for for
The data transmission device provides the unified clock.
According to another embodiment of the invention, provide a kind of data transmission method, comprising: be arranged system it is unified when
Clock；Packet message is received, and the packet message is packaged into multiple first cells, according to unified clock scheduling the multiple the
Cross unit is sent to after one cell.
According to another embodiment of the invention, a kind of data transmission system is provided, comprising: the first packet and again
Group SAR unit, obtains packet message for being grouped slice to the first data to be transmitted, and export the packet message；
First data switching networks interface chip FIC unit, connect with the SAR unit, for receiving the packet message, and by institute
It states packet message and is packaged into multiple first cells, be sent to intersection list after dispatching the multiple first cell according to unified clock
Member；The cross unit is connect with the FIC unit, for receiving the multiple first cell, and to the multiple first letter
Member carries out cross scheduling and obtains multiple second cells, exports the multiple second cell；2nd FIC unit intersects list with described
Member connection parses the packet message for receiving second cell, and by second cell, exports the grouping report
Text；Second SAR unit is connect with the 2nd FIC unit, for receiving the packet message, and to the packet message into
Row recombination reverts to first data；System clock, with first SAR unit, the first FIC unit, the intersection
Unit, the 2nd FIC unit and second SAR unit are separately connected, for providing unification for the data transmission device
Clock.
According to still another embodiment of the invention, a kind of storage medium is additionally provided, meter is stored in the storage medium
Calculation machine program, wherein the computer program is arranged to execute the step in any of the above-described embodiment of the method when operation.
According to still another embodiment of the invention, a kind of electronic device, including memory and processor are additionally provided, it is described
Computer program is stored in memory, the processor is arranged to run the computer program to execute any of the above-described
Step in embodiment of the method.
Through the invention, intersect due to taking the synchronous grouping of the clock based on unified clock, system clock is introduced
To each unit of data transmission device, the synchronous skewing mechanism of a clock is formed.It solves in the related technology using grouping
Skewing mechanism is easy to produce the technical issues of exchange conflict and congestion when transmitting data, reduce propagation delay time, can satisfy new
Fashionable prolongs sensitive traffic to the high requirement of propagation delay time.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural block diagram of data transmission device according to an embodiment of the present invention；
Fig. 2 is the structural block diagram of data transmission system according to an embodiment of the present invention；
Fig. 3 is the flow chart of data transmission method according to an embodiment of the present invention；
Fig. 4 is that the present invention is grouped skewing mechanism schematic diagram in the related technology；
Fig. 5 A is the functional block diagram when embodiment of the present invention has conflict；
Functional block diagram when Fig. 5 B is Lothrus apterus of the embodiment of the present invention；
Fig. 6 is the synchronous grouping skewing mechanism schematic diagram of large capacity of the present embodiment.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
Embodiment 1
A kind of data transmission device is provided in the present embodiment, and Fig. 1 is data transmission dress according to an embodiment of the present invention
The structural block diagram set, as shown in Figure 1, the device includes:
First data switching networks interface chip (Fabric Interface Chip, FIC) unit 10 divides for receiving
Group message, and packet message is packaged into multiple first cells, friendship is sent to after dispatching multiple first cells according to unified clock
Pitch unit；
System clock 12 is connect with the first FIC unit, for providing unified clock for data transmission device.
Using the scheme of the present embodiment, intersect due to taking the synchronous grouping of the clock based on unified clock, by system
Clock is introduced into each unit of data transmission device, forms the synchronous skewing mechanism of a clock.It solves in the related technology
The technical issues of being easy to produce exchange conflict and congestion when using grouping skewing mechanism transmission data, reduces propagation delay time, can
To meet emerging delay sensitive business to the high requirement of propagation delay time.
Optionally, the first FIC unit is also used to: the position of multiple first cells is adjusted by unified clock, so that multiple
First cell is arranged according to scheduled timing.
Optionally, the first FIC unit includes: network side logic data channels unit, for receiving packet message, will be grouped
Message is packaged into multiple first cells, multiple first cells is divided into predetermined quantity cell-queue according to unified clock, and defeated
Out to exchange side physical data channel unit, wherein a cell-queue includes one or more first cells；Exchange side physics
Data channel unit is connect, for according to unified clock by one or more physical channels with one or more cross units
Cell-queue is sent to one or more cross units by physical channel, wherein the corresponding cell in each physical channel
Queue；This synchronised clock dispatch control unit, input terminal are connect with system clock, for obtaining unified clock, output end and net
Network side logic data channels unit is connected with exchange side physical data channel unit.
Optionally, this synchronised clock dispatch control unit is also used to: for by the queue of unified clock scheduling cells according to
Given cell position is exported to exchange side physical data channel unit.
Optionally, this synchronised clock dispatch control unit is also used to: the first row of cell-queue is exported to exchange side object
In the first row and secondary series for managing the first passage of data channel unit, the secondary series of cell-queue is exported to exchange side physics
In the third column and the 4th column of the second channel of data channel unit.
Optionally, this synchronised clock dispatch control unit is also used to: judging cross unit in multiple first letters of reception
When there is conflict when first, the position in cell-queue of at least one the first cell in multiple first cells, or adjustment are adjusted
Send the physical channel of at least one cell-queue.
Optionally, system clock includes: lock-out pulse (synchronization pulse, SYNC), reference clock (SAR
Reference clock, RRFCLK).
Optionally, device further include: the first packet and recombination (Segmentation And Reassembly
Mode, SAR) unit, it is connect with the first FIC unit, obtains grouping report for being grouped slice to the first data to be transmitted
Text, and output grouping message；Cross unit is connect with FIC unit, for receiving multiple first cells, and to multiple first letters
Member carries out cross scheduling and obtains multiple second cells, exports multiple second cells；2nd FIC unit, connect with cross unit, uses
In receiving the second cell, and the second cell is parsed into packet message, output grouping message；Second SAR unit, with the 2nd FIC
Unit connection for receiving packet message, and carries out recombination to packet message and reverts to the first data.
Optionally, cross unit is also used to: being obtained according to unified clock to multiple first cells progress cross scheduling multiple
Second cell, wherein the time slot position of multiple second cells is fixed.
Optionally, the first SAR unit includes the first parallel SAR unit of the road N, and the first FIC unit includes parallel the in the road N
One FIC unit, cross unit include the parallel cross unit in the road N, and the 2nd FIC unit includes the 2nd parallel FIC unit of the road N,
Second SAR unit includes the second parallel SAR unit of the road N, and N is the integer greater than 0, per the first SAR unit all the way, the first FIC
Unit, cross unit, the 2nd FIC unit, the second SAR unit form channel all the way, can be with cross-reference between every paths.
A kind of data transmission system is provided in the present embodiment, and Fig. 2 is data transmission system according to an embodiment of the present invention
The structural block diagram of system, as shown in Fig. 2, the system includes:
First packet and recombination SAR unit 20, are divided for being grouped slice to the first data to be transmitted
Group message, and output grouping message；
First data switching networks interface chip FIC unit 22, connect with SAR unit, for receiving packet message, and will
Packet message is packaged into multiple first cells, is sent to cross unit after dispatching multiple first cells according to unified clock；
Cross unit 24 is connect with FIC unit, is handed over for receiving multiple first cells, and to multiple first cells
Fork scheduling obtains multiple second cells, exports multiple second cells；
2nd FIC unit 26, connect with cross unit, for receiving the second cell, and the second cell is parsed grouping
Message, output grouping message；
Second SAR unit 28, connect with the 2nd FIC unit, recombinates for receiving packet message, and to packet message
Revert to the first data；
System clock 30, with the first SAR unit, the first FIC unit, cross unit, the 2nd FIC unit and the 2nd SAR are mono-
Member is separately connected, for providing unified clock for data transmission device.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment 2
A kind of data transmission method is provided in the present embodiment, and Fig. 3 is transmission side data according to an embodiment of the present invention
The flow chart of method, as shown in figure 3, the process includes the following steps:
The unified clock of system is arranged in step S302；
Step S304 receives packet message, and packet message is packaged into multiple first cells, dispatches according to unified clock
Cross unit is sent to after multiple first cells.
Optionally, dispatching multiple first cells according to unified clock includes: to adjust multiple first cells according to unified clock
Position so that multiple first cells are arranged according to scheduled timing.
It optionally, include: to be divided into according to by multiple first cells according to the position that unified clock adjusts multiple first cells
Predetermined quantity cell-queue a, wherein cell-queue includes one or more first cells.
Optionally, after according to multiple first cells are divided into predetermined quantity cell-queue, method further include: adjustment
The position in cell-queue of at least one the first cell in multiple first cells, or, adjustment sends at least one cell team
The physical channel of column.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment 3
The present embodiment provides a kind of data transmission scheme, can apply in based on the synchronous electric layer skewing mechanism of clock,
The cross scheduling technology in the business in optical transport field can be applied.
Fig. 4 is that the present invention is grouped skewing mechanism schematic diagram in the related technology.Repeat in work flow direction is all bi-directional symmetrical in figure
, in order to describe to simplify, when not having specified otherwise, only service route is unidirectionally described.Message data to be transmitted is first
It first passes through data-interface and enters SAR unit (001), data pass through the work of lock-out pulse SYNC and reference clock REFCLK herein
It is sliced under and is divided into small unit and plus heading, referred to as packet message；Packet message is sent to FIC by data-interface
It (002), is herein grouping report plus information such as the addresses purpose FIC, FIC is specifically divided into three parts again and forms here, respectively
It is network side logic data channels unit (002A), exchange side physical data channel unit (002B) and local clock and scheduling control
Unit (002C) processed, wherein the main function of 002A is the number that SAR is sent according to system business minimum cross scheduling particle
According to several independent logic queries are divided into, 002B then corresponds to the high-speed physical data link quantity of FIC Yu cross unit 003,
The corresponding physical channel of one high-speed link, for the data communication of FIC and Cross module, the effect of 002C is control logic
The scheduling of data between channel 002A and physical channel 002B is the principle according to load balancing by the data tune of logical channel
It spends to going on physical channel, cell is finally sent to corresponding Cross module (003)；Cross module receives the letter that FIC is sent
Member parses the address of mesh FIC, searches unicast routing table, cell is sent to corresponding purpose FIC according to the principle of load balancing
(004)；Purpose FIC (004) verification comes from the cell of Cross module (003), will verify correct cell and send in Packet reassembling
Buffer area reverts to packet message in order, and SAR (005) is sent to handle；(005 pair of packet message recombinates SAR, reverts to phase
It answers the initial data code stream of continuous rate and sends, complete entire grouping Cross transfer process.
Since FIC to the data dispatch of logical channel is scheduled according to the principle of physical channel load balancing in Fig. 4
, therefore the data exported have certain randomness, the data dispatch between each FIC module does not have incidence relation, each
Position between cell is a kind of random branch's state, is unordered arrangement from each other, therefore the cell of FIC reaches and intersects
After unit it sometimes appear that the case where intersection conflict: in Fig. 4, when 002 and 012 output cell be sent to by No. 1 port it is same
A Cross module 003, and 003 output port is also identical, i.e., the cell in two kinds of synchronization different paths will be from same
The same port of Cross module exports, and the 1 of No. 1 port of No. 1 port -> 003 of the Road Fig. 4 path 1:002 and path 2:012
One is caused at this time if there are two cells will generate conflict by 003 output simultaneously in No. 1 port of number port -> 003
Cell could be sent after waiting another cell to be sent completely, therefore will cause the increasing of cell switching time delay, and time delay
Variation can also increase.
Fig. 5 A is the functional block diagram when embodiment of the present invention has conflict, principle when Fig. 5 B is Lothrus apterus of the embodiment of the present invention
Block diagram, skewing mechanism of the present invention consist of the following components, and the repeat in work flow direction in the present embodiment is all two-way right
Claim, in order to describe to simplify, only service route is unidirectionally described when not doing specified otherwise herein.
SAR unit (101,105): grouping slice and assembling unit again, to data to be transmitted be grouped slice or
Recombination is carried out to grouping and reverts to original transmission data.According to business transmission and cross-capacity demand, this element may include more
The parallel unit in road only depicts two-way in Fig. 5 (Fig. 5 A and Fig. 5 B), for example 111 and 115 be also to belong to this element.
FIC unit (102,104): the packet message that SAR is sent is packaged into cell and is sent to friendship by backboard port
Pitch unit；Or the cell that cross unit comes is parsed packet data and is then forwarded to SAR.According to business transmission and cross-capacity
Demand, this element may include the unit of multidiameter delay, only depict two-way, such as 112 and 114 in Fig. 5 (Fig. 5 A and Fig. 5 B)
And belong to this element.FIC can be specifically divided into three parts again: it is network side logic data channels unit (102A) respectively,
Exchange side physical data channel unit (102B) and this synchronised clock dispatch control unit (102C), the wherein main function of 102A
It is that the data that SAR is sent according to system business minimum cross scheduling particle are divided into several independent logic queries, 102B
The high-speed physical data link quantity of FIC Yu cross unit 103 are then corresponded to, the corresponding physical channel of a high-speed link is used
In the data communication of FIC and Cross module, the effect of 102C is generated by phase-locked loop (Phase Locked Loop, PLL)
The scheduling of synchronised clock inside FIC unit and the data between control logic channel 102A and physical channel 102B.Herein
102C and traditional grouping cross mounting are equipped with biggish difference, and to be in traditional device first be in 002C using local clock,
And 102C then is produced by PLL the synchronised clock of needs using system clock here, this ensures that all FIC are mono-
The position of cell being capable of marshalling in internal data processing and scheduling for member；Followed by here in conventional apparatus 002C in logarithm
According to principle when being scheduled using load balancing, cell output position be it is random, between each other without fixed bit
Relationship is set, and 102C is fixed cell location to the mode that cell is scheduled here, so as to avoid subsequent intersection from existing
Conflict, reduce and intersect time delay, the specific scheduling mode of 102C is described as follows:
Step 1:102C defaults the number for arranging four channels first and second network side logic data channels unit (102A)
According to being sent in sequence in the first row in two channels physical data channel unit (102B), then again by tetra- channels second 102A
The data of column are sent in sequence in the third and the 4th column in two channels 102B.Similarly the dispatching method of 112C is same.
Whether cross unit can have conflict, 1 cell of business and business 5 in Fig. 5 A at this time for step 2:102C and 112C judgement
There is conflict in cell, 3 cell of business and 7 cell of business, if forcing to send data cross at this time, necessarily
Will cause the delay that two exist in conflict cell waits another cell to complete just send after intersecting, thus
Increase intersection time delay.
Step 3: discovery, which intersects, in step 2 has conflict, and then 112C is just adjusted the dispatching sequence of cell: by industry
Be engaged in 5 cells and 7 cell of business carries out location swap, as shown in Figure 5 B, at this time 103 intersect in there will be no conflict, all letters
Member can orderly be timely completed intersection.
Cross unit (103): cross scheduling is carried out to the cell of FIC input, in order to guarantee that the cell location received is
Fixed, it needs to handle the data received with the part synchronised clock 103C, to keep the positional relationship between cell,
Then corresponding output port is sent it to again up.May include according to business transmission and cross-capacity demand, this element
The unit of multidiameter delay only depicts two-way in Fig. 5 A, Fig. 5 B, for example 113 be also to belong to this element.
System clock: it, which is acted on, is used to one unified clock of each unit offer in system, is convenient for each unit
It cooperates, including lock-out pulse SYNC and reference clock RRFCLK.
The technical problem to be solved by the present invention is to intersect that there are intersection conflicts to overcome existing grouping, intersect generation
Switching delay is larger and is not fixed, not applicable for the business of current some pairs of delay sensitives, cannot with grouping intersection equipment come
The problem of realizing traffic scheduling and transmission.The present invention solves grouping cross interference, corresponding less intersection time delay, this
Invention is very suitable to those application scenarios having higher requirements for business propagation delay time.
Relationship between present apparatus each section:
Message data to be transmitted passes through data-interface first and enters SAR unit (101), and data pass through synchronous arteries and veins herein
It rushes under the action of SYNC and reference clock REFCLK to be sliced and is divided into small unit and plus heading, referred to as packet message；Point
Group message is sent to FIC (102) by data-interface, is herein grouping report plus information such as the addresses purpose FIC, referred to as believes
Member, 102A carry out collision detection to cell to be exchanged, if it find that will will appear exchange conflict just to cell time-slot position or
The problems such as output end slogan is adjusted, and is not in conflict congestion when to guaranteeing subsequent intersection.Then 102A sends out cell
It send to corresponding Cross module (103)；Cross module receives the cell that FIC is sent, and parses the address of mesh FIC, searches unicast
Cell is sent to corresponding purpose FIC (104) according to the principle of load balancing by routing table；Purpose FIC (104) verifies to be selfed
The cell for pitching module (103) will verify correct cell and send buffer area in Packet reassembling, reverts to packet message in order,
SAR (105) are sent to handle；(105 pairs of packet messages recombinate SAR, and the initial data code stream for reverting to corresponding continuous rate is concurrent
It sees off, completes entire grouping Cross transfer process.
Fig. 6 is the synchronous grouping skewing mechanism schematic diagram of large capacity of the present embodiment, and Fig. 6 describes the synchronous grouping of large capacity and hands over
The embodiment of fork device, embodiment large capacity is synchronous to be grouped skewing mechanism, is handed in the present embodiment by 64 circuit-switched data interfaces and 16
Pitch unit constitute, wherein every circuit-switched data interface unit again include send SAR (301), send FIC (302), reception FIC (304) with
And receive SAR (305).Interface between SAR and FIC uses Interlaken interface, and each FIC (302) has 16 tunnels high speed to believe
It number is connect with cross unit, the road each cross unit 2x64 high speed signal is connect with FIC.
Using the scheme of the present embodiment, principle is intersected based on the synchronous grouping of clock due to taking, is handed in original grouping
Increase conflict prevention unit in fork device, system clock is introduced into each unit of each device, it is synchronous to form a clock
Skewing mechanism.The exchange conflict and congestion phenomenon for effectively preventing legacy packets skewing mechanism, reduce propagation delay time, can be with
Meet emerging delay sensitive business well to the high requirement of propagation delay time.
Embodiment 4
The embodiments of the present invention also provide a kind of storage medium, computer program is stored in the storage medium, wherein
The computer program is arranged to execute the step in any of the above-described embodiment of the method when operation.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store by executing based on following steps
Calculation machine program:
The unified clock of system is arranged in S1；
S2 receives packet message, and the packet message is packaged into multiple first cells, dispatches institute according to unified clock
Cross unit is sent to after stating multiple first cells.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store computer program such as disk, magnetic or disk.
The embodiments of the present invention also provide a kind of electronic device, including memory and processor, stored in the memory
There is computer program, which is arranged to run computer program to execute the step in any of the above-described embodiment of the method
Suddenly.
Optionally, above-mentioned electronic device can also include transmission device and input-output equipment, wherein the transmission device
It is connected with above-mentioned processor, which connects with above-mentioned processor.
Optionally, in the present embodiment, above-mentioned processor can be set to execute following steps by computer program:
The unified clock of system is arranged in S1；
S2 receives packet message, and the packet message is packaged into multiple first cells, dispatches institute according to unified clock
Cross unit is sent to after stating multiple first cells.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within principle of the invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (17)
1. a kind of data transmission device characterized by comprising
First data switching networks interface chip FIC unit for receiving packet message, and the packet message is packaged into more
A first cell is sent to cross unit after dispatching the multiple first cell according to unified clock；
System clock is connect with the first FIC unit, for providing the unified clock for the data transmission device.
2. the apparatus according to claim 1, which is characterized in that the first FIC unit is also used to: when by the unification
Clock adjusts the position of the multiple first cell, so that the multiple first cell is arranged according to scheduled timing.
3. the apparatus of claim 2, which is characterized in that the first FIC unit includes:
The packet message is packaged into multiple first for receiving the packet message by network side logic data channels unit
The multiple first cell is divided into predetermined quantity cell-queue according to the unified clock, and exported to exchange side by cell
Physical data channel unit a, wherein cell-queue includes one or more first cells；
The exchange side physical data channel unit passes through one or more physical channels with one or more cross units
Connection, for the cell-queue to be sent to one or more friendships by the physical channel according to the unified clock
Pitch unit, wherein the corresponding cell-queue in each physical channel；
This synchronised clock dispatch control unit, input terminal are connect with the system clock, for obtaining the unified clock, are exported
End is connect with the network side logic data channels unit and the exchange side physical data channel unit.
4. device according to claim 3, which is characterized in that this synchronised clock dispatch control unit is also used to: for leading to
The unified clock scheduling cell-queue is crossed to export according to given cell position to the exchange side physical data channel list
Member.
5. device according to claim 4, which is characterized in that described synchronised clock dispatch control unit is also used to: will
The first row of the cell-queue exports the first row and second of the first passage to the exchange side physical data channel unit
In column, the secondary series of the cell-queue is exported to the third column of the second channel of the exchange side physical data channel unit
In the 4th column.
6. device according to claim 3, which is characterized in that described synchronised clock dispatch control unit is also used to: In
When judging that the cross unit has conflict when receiving the multiple first cell, adjust in the multiple first cell extremely
The position in the cell-queue of few first cell, or the physics of at least one cell-queue of adjustment transmission are logical
Road.
7. the apparatus according to claim 1, which is characterized in that the system clock includes: lock-out pulse SYNC, when reference
Clock RRFCLK.
8. the apparatus according to claim 1, which is characterized in that described device further include:
First packet and recombination SAR unit, connect with the first FIC unit, be used for the first data to be transmitted into
Row grouping slice obtains packet message, and exports the packet message；
The cross unit is connect with the FIC unit, for receiving the multiple first cell, and to the multiple first
Cell carries out cross scheduling and obtains multiple second cells, exports the multiple second cell；
2nd FIC unit is connect with the cross unit, is parsed for receiving second cell, and by second cell
The packet message out exports the packet message；
Second SAR unit is connect with the 2nd FIC unit, for receiving the packet message, and to the packet message into
Row recombination reverts to first data.
9. device according to claim 8, which is characterized in that the cross unit is also used to: according to the unified clock
Cross scheduling is carried out to the multiple first cell and obtains multiple second cells, wherein the time slot position of the multiple second cell
It is fixed for setting.
10. device according to claim 8, which is characterized in that first SAR unit includes the first parallel SAR of the road N
Unit, the first FIC unit include the first parallel FIC unit of the road N, and the cross unit includes the parallel cross unit in the road N, institute
Stating the 2nd FIC unit includes the 2nd parallel FIC unit of the road N, and second SAR unit includes the 2nd parallel SAR of the road N mono-
Member, N are the integer greater than 0.
11. a kind of data transmission method characterized by comprising
The unified clock of setting system；
Packet message is received, and the packet message is packaged into multiple first cells, is dispatched according to unified clock the multiple
Cross unit is sent to after first cell.
12. according to the method for claim 11, which is characterized in that dispatch the multiple first cell packet according to unified clock
It includes:
The position of the multiple first cell is adjusted according to unified clock, so that the multiple first cell is arranged according to scheduled timing
Column.
13. according to the method for claim 12, which is characterized in that adjust the multiple first cell according to unified clock
Position includes:
Be divided into predetermined quantity cell-queue according to by the multiple first cell, wherein cell-queue include one or
Multiple first cells.
14. according to the method for claim 13, which is characterized in that be divided into predetermined number according to by the multiple first cell
After Liang Ge cell-queue, the method also includes:
The position in the cell-queue of at least one the first cell in the multiple first cell is adjusted, or, adjustment hair
Give the physical channel of at least one cell-queue.
15. a kind of data transmission system characterized by comprising
First packet and recombination SAR unit, obtain packet message for being grouped slice to the first data to be transmitted,
And export the packet message；
First data switching networks interface chip FIC unit, connect with the SAR unit, for receiving the packet message, and
The packet message is packaged into multiple first cells, is sent to intersection after dispatching the multiple first cell according to unified clock
Unit；
The cross unit is connect with the FIC unit, for receiving the multiple first cell, and to the multiple first
Cell carries out cross scheduling and obtains multiple second cells, exports the multiple second cell；
2nd FIC unit is connect with the cross unit, is parsed for receiving second cell, and by second cell
The packet message out exports the packet message；
Second SAR unit is connect with the 2nd FIC unit, for receiving the packet message, and to the packet message into
Row recombination reverts to first data；
System clock, and first SAR unit, the first FIC unit, the cross unit, the 2nd FIC unit,
It is separately connected with second SAR unit, for providing unified clock for the data transmission device.
16. a kind of storage medium, which is characterized in that be stored with computer program in the storage medium, wherein the computer
Program is arranged to execute method described in any one of claim 11 to 14 when operation.
17. a kind of electronic device, including memory and processor, which is characterized in that be stored with computer journey in the memory
Sequence, the processor are arranged to run the computer program to execute described in any one of claim 11 to 14
Method.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347458.2A CN110391990A (en) | 2018-04-18 | 2018-04-18 | Data transmission method and device, system, storage medium, electronic device |
| PCT/CN2019/077212 WO2019201026A1 (en) | 2018-04-18 | 2019-03-06 | Data transmission method, apparatus and system, storage medium, and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347458.2A CN110391990A (en) | 2018-04-18 | 2018-04-18 | Data transmission method and device, system, storage medium, electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110391990A true CN110391990A (en) | 2019-10-29 |
Family
ID=68239362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347458.2A Withdrawn CN110391990A (en) | 2018-04-18 | 2018-04-18 | Data transmission method and device, system, storage medium, electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110391990A (en) |
| WO (1) | WO2019201026A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111334A (en) * | 2011-02-21 | 2011-06-29 | 华为技术有限公司 | Method, source line card and network card for processing cells in switched network |
| CN103023597A (en) * | 2012-12-27 | 2013-04-03 | 华为技术有限公司 | Method and device for optical network data transmission |
| CN103069757A (en) * | 2011-08-17 | 2013-04-24 | 华为技术有限公司 | Packet reassembly and resequence method, apparatus and system |
| WO2016060416A1 (en) * | 2014-10-12 | 2016-04-21 | 엘지전자 주식회사 | Device for transmitting broadcast signal, device for receiving broadcast signal, method for transmitting broadcast signal, and method for receiving broadcast signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6366959B1 (en) * | 1997-10-01 | 2002-04-02 | 3Com Corporation | Method and apparatus for real time communication system buffer size and error correction coding selection |
| CN1859263B (en) * | 2005-11-16 | 2010-10-06 | 华为技术有限公司 | Cell re-ordering method, cell processing method and device using said method and device |
| CN103973592B (en) * | 2014-05-16 | 2017-12-05 | 华为技术有限公司 | Cell processing method and processing device |
| CN105337883B (en) * | 2015-08-20 | 2018-12-18 | 电子科技大学 | It is a kind of to support multiple services network-switching equipment and its implementation |
-
2018
- 2018-04-18 CN CN201810347458.2A patent/CN110391990A/en not_active Withdrawn
-
2019
- 2019-03-06 WO PCT/CN2019/077212 patent/WO2019201026A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111334A (en) * | 2011-02-21 | 2011-06-29 | 华为技术有限公司 | Method, source line card and network card for processing cells in switched network |
| CN103069757A (en) * | 2011-08-17 | 2013-04-24 | 华为技术有限公司 | Packet reassembly and resequence method, apparatus and system |
| CN103023597A (en) * | 2012-12-27 | 2013-04-03 | 华为技术有限公司 | Method and device for optical network data transmission |
| WO2016060416A1 (en) * | 2014-10-12 | 2016-04-21 | 엘지전자 주식회사 | Device for transmitting broadcast signal, device for receiving broadcast signal, method for transmitting broadcast signal, and method for receiving broadcast signal |
Non-Patent Citations (2)
| Title |
|---|
| WINSTON MOK: "OTN Over Packet Fabric Protocol", 《OPTICAL INTERNATIONAL FORUM》 * |
| 朱谦等: "分组交换技术在光传输网中的研究与设计", 《电子科技》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019201026A1 (en) | 2019-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103348640B (en) | Relay | |
| US10027433B2 (en) | Multiple clock domains in NoC | |
| US4623996A (en) | Packet switched multiple queue NXM switch node and processing method | |
| CN100527697C (en) | Means and a method for switching data packets or frames | |
| CN104734872B (en) | A kind of industrial backhaul network implementation method and system based on software defined network | |
| WO2015094468A1 (en) | Automatic pipelining of noc channels to meet timing and/or performance | |
| CN103034605A (en) | Methods and apparatuses to effect a variable width link | |
| CN105956659A (en) | Data processing device, data processing system and server | |
| CN105721358A (en) | Methods and apparatus related to a switch fabric system having a multi-hop distributed control plane and a single-hop data plane | |
| CN103873550A (en) | Method for data transmission among ecus and/or measuring devices | |
| CN106330786A (en) | MAC address synchronization method, apparatus and system | |
| CN104243348B (en) | A kind of data processing method and device | |
| CN104683242B (en) | A kind of topological structure and method for routing of two dimension network-on-chip | |
| Fan et al. | Routing in black box: Modularized load balancing for multipath data center networks | |
| CN105141512A (en) | Unified network configuration and control method supporting packet/circuit mixed exchange network | |
| CN109768904A (en) | A kind of time trigger business vanning dispatching method based on time trigger Ethernet | |
| CN105743816A (en) | Link aggregation method and device | |
| Luo et al. | Optimizing multicast flows in high-bandwidth reconfigurable datacenter networks | |
| CN105635000A (en) | Message storing and forwarding method, circuit and device | |
| CN102045256B (en) | COTS (Commercial Off-The-Shelf) based bandwidth predistribution guarantee network function demonstration system | |
| CN110401478A (en) | A kind of Information Network management-control method based on SDN technology | |
| CN109565737A (en) | Packets forwarding in wireless mesh network | |
| Aziz et al. | A near optimal scheduler for switch-memory-switch routers | |
| Papaphilippou et al. | Hipernetch: High-performance FPGA network switch | |
| CN102316035A (en) | Foreground and background communication and data safety processing method in cluster router system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191029 |
|
| WW01 | Invention patent application withdrawn after publication |