CN108718287A - Data exchange system and its method for building up and device and communication system - Google Patents
Data exchange system and its method for building up and device and communication system Download PDFInfo
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- CN108718287A CN108718287A CN201810410744.9A CN201810410744A CN108718287A CN 108718287 A CN108718287 A CN 108718287A CN 201810410744 A CN201810410744 A CN 201810410744A CN 108718287 A CN108718287 A CN 108718287A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/15—Interconnection of switching modules
Abstract
This disclosure relates to a kind of data exchange system and its method for building up and device and communication system, the data exchange system connects networking by multiple data exchange units, the system comprises contact layer and exchange networks, the exchange network includes K group switching layer, the K groups switching layer is numbered, first layer is denoted as to K layers, the first layer is connect with the contact layer to be communicated, and the exchange network each group switching layer is connected with each other to be communicated.Data exchange system described in the disclosure can realize that a variety of scales, even ultra-large data exchanging function meet the data exchange demand of extensive electronic information processing system.
Description
Technical field
This disclosure relates to field of communication technology more particularly to a kind of data exchange system and its method for building up and device and
Communication system.
Background technology
With the continuous development of electronics/communication technology, modern large-scale electronic apparatus system becomes extremely complex, usually
It needs while acquiring the data of magnanimity, to carry out large-scale parallel computation quickly to find valuable target information.
At this point, the internal data handling capacity of whole system rapidly increases, and very high requirement is proposed to delay and bandwidth.For existing
For the large scale electronic equipment in generation, superfast extensive exchange network becomes the bottleneck of such system.
Existing Data Interchange Technology has Ethernet, and (Fiber Channel, optical-fibre channel, one kind being widely used in storage to FC
Network technology), RapidIO (quick IO, a kind of interface standard towards high-performance microprocessor and system interconnection) etc., he
Had using topological structure：Star topology, ring topology, tree topology, bus-type topology (Fig. 1) and two above or multiple
The topological structure of mixed type.
Hub-and-spoke configuration
Hub-and-spoke configuration is the processing system centered on a node, various types of networking machines with the Centroid
There is physical link to be connected directly.The advantages of hub-and-spoke configuration is simple in structure, networking is easy, it is relatively easy to control.The disadvantage is that belonging to
Centralized control, host node overload, reliability is low, and communication line utilization rate is low.
Bus structures
Bus structures are a kind of modes of commonplace use, and all networking computers are linked into a communication by it
On line, to prevent signal reflex, generally terminator terminated line impedance is connected at bus both ends.The advantages of bus structures is channel
Utilization rate is higher, simple in structure, and price is relatively cheap.The disadvantage is that synchronization can only be in communication with each other there are two network node, net
Network extended distance is limited, and it is limited that network accommodates number of nodes.As long as there are one points connectivity problem occurs in bus, can influence entire
The normal operation of network.
Ring type structure
Ring type structure is that the computer that each networks is connected into a ring being closed with communication line.Ring topology is one
The ring type structure of a point-to-point.Every equipment is all attached directly on ring, or is connected to ring by an interface equipment and branch cable
On.In initial installation, ring topology network is fairly simple.With the increase of online node, the difficulty reconfigured also increases,
Equipment sum is restricted in maximum length and ring to ring.The fault point of cable can be easily found.It is influenced by failure
Equipment range is big, and any mistake occurred on single loop system can all influence online all devices.
Tree
A kind of expansion of star network topology is Xing Hangshu, as shown above.The connection of each Hub and end subscriber
Still be it is star-like, the cascade of Hub and form tree.It should be mentioned, however, that the number of Hub cascades is conditional, and not with manufacturer
It changes together.Tree is the centralized control type network of classification, and compared with star-like, its communication line total length is short, at
This is relatively low, and node is easy to expand, and it is more convenient to find path, but other than leaf node and its connected circuit, any node or
Its connected line fault can all make system be affected.
Under the conditions of existing electronic technology, the data throughout that general exchange chip can reach is about per second several
The level of GB (GigaByte, gigabytes, computer storage capacity unit, 1GB=1024MB==2^30 bytes).Highest can
It can reach tens of GB.And due to the limitation of chip package size, fan heat, signal quality, the exchange device of more high bandwidth
Become more and more difficult, even cannot achieve at all.So for TB per second, (Terabyte, terabyte, computer storage are held
Measure unit, 1TB=1024GB==2^40 bytes) for the data exchange of grade, the burden of the main switching node of Star topology
Weight, ability of the data bandwidth far beyond the prior art.Similarly, bus-type/annular/tree topology is not suitable under super large bandwidth
Data exchange.
As described above, the data exchange that existing technical solution cannot be satisfied extensive electronic information processing system needs
It asks.
Invention content
In view of this, the present disclosure proposes a kind of data exchange system and its method for building up and device and communication system,
To realize the data exchange demand of extensive electronic information processing system.
According to the one side of the disclosure, propose that a kind of data exchange system, the data exchange system are handed over by multiple data
Unit connection networking is changed, each data exchange unit includes an at least input terminal and an at least output end, the system comprises：
Contact layer, including N number of data exchange unit；And
Exchange network connects the contact layer, including K group switching layer, and every group of switching layer includes M data exchange unit,
The K groups switching layer is numbered, is denoted as first layer to K layers, the first layer is connect with the contact layer to be led to
Letter, the exchange network each group switching layer are connected with each other to be communicated；
Wherein, N, M and K are positive integer, N≤M, M=2K。
In a kind of possible embodiment, the first layer to the described K layers data exchange unit for including is distinguished
Number is D1,0~D1, M-1To DK,0~DK, M-1,
Connection type between the exchange network each group switching layer includes：
Work as K>When 1, described i-th layer of data exchange unit DI, jIt is connected to (i-1)-th layer of data exchange unit DI-1, j, and
(i-1)-th layer of data exchange unit DI-1, y, the data exchange unit DI-1, yMethod of determination be：
Enable t=mod (j, 2i), if t<2(i-1), then DI-1, yFor DI-1, j+2 (i-1)；If t >=2(i-1), then DI-1, yFor
DI-1, j-2 (i-1),
Wherein, i=K, K-1 ..., 2；J=M-1, M-2 ..., 0.
In a kind of possible embodiment, it is D to be numbered respectively to the data exchange unit that the contact layer includes0,0~
D0, N-1, it is D that data exchange unit that the first layer includes is numbered respectively1,0~D1, M-1,
As N=M, the connection type of the first layer and the contact layer, including：
The data exchange unit D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, jAnd it described connects
The data exchange unit D of contact layer0, x, the data exchange unit D0, xMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1。
In a kind of possible embodiment, it is D to be numbered respectively to the data exchange unit that the contact layer includes0,0~
D0, N-1, it is D that data exchange unit that the first layer includes is numbered respectively1,0~D1, M-1,
Work as N<When M, the connection type between the first layer and the contact layer, including：
Work as K>When 1, for the data exchange unit D of the first layer1, jIf the data exchange unit of the contact layer
D0, jIt is not present, then the data cell D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, z, the data
Crosspoint D0, zMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1；
Work as K=1, if the data exchange unit D of the contact layer0,1It is not present, then the data cell of the first layer
D1,1、D1,0It is connected to the data exchange unit D of the contact layer0,0。
In a kind of possible embodiment, an at least input terminal and described at least each of output end are double
To data transmission port or one-way data transfer port.
Further include load equalizer in a kind of possible embodiment, be connected to the contact layer and exchange network, uses
In the carry out load balancing to the data exchange system.
In a kind of possible embodiment, the connection type of the first layer and the contact layer, the exchange network
The connection type of each data exchange unit is electrical connection and/or light connects in the connection type of each group switching layer and the system.
The data exchange system that networking is formed in the above manner, may be implemented a variety of rule according to various aspects of the disclosure
Mould, even ultra-large data exchanging function meet the data exchange demand of extensive electronic information processing system.
According to another aspect of the present disclosure, it is proposed that a kind of method for building up of data exchange system, this method include：
Obtain the information of all data exchange units in net；
Idle data crosspoint therein is marked the working condition for judging all data exchange units；
And
The data exchange system is established using the idle data crosspoint of label.
By the implementation of the method for building up of data above exchange system, various aspects of the disclosure can be found that idle in net
Data exchange unit, and establish data exchange system above-mentioned using idle data exchange unit to realize large-scale data
It exchanges.
According to another aspect of the present disclosure, a kind of communication system using data exchange system is provided, which is characterized in that
Including：
The data exchange system；
At least one first communication system is connected to the contact layer of the data exchange system；And
At least one second communication system is connected to K layers of the data exchange system.
The communication system realized in the above manner, various aspects of the disclosure may be implemented between multiple communication systems
The quick transmission of large-scale data.
According to another aspect of the present disclosure, it is proposed that a kind of data exchange system establishes device, this is established device and includes：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Obtain the information of all data exchange units in net；
Idle data crosspoint therein is marked the working condition for judging all data exchange units；
And
The data exchange system is established using the idle data crosspoint of label.
According to another aspect of the present disclosure, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon with
Computer program instructions, wherein the computer program instructions realize the above method when being executed by processor.
By the cooperation for establishing each component of device, various aspects of the disclosure can obtain the idle data in net and hand over
Unit is changed, and establishes the data exchange system that can carry out large-scale data exchange using idle data crosspoint.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become
It is clear.
Description of the drawings
Including in the description and the attached drawing of a part for constitution instruction and specification together illustrate the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 shows the schematic diagram of network topology structure in the prior art.
Fig. 2 shows the schematic diagrames according to the data exchange system of one embodiment of the disclosure.
Fig. 3 is the schematic diagram of the communication system of one embodiment of the disclosure.
Fig. 4 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 5 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 6 is the structural schematic diagram of one embodiment data exchange system of the disclosure.
Fig. 7 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 8 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 9 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Figure 10 is the flow chart of the method for building up of the data exchange system of one embodiment of the disclosure.
Figure 11 is the block diagram for establishing device of the data exchange system of one embodiment of the disclosure.
Figure 12 is a kind of block diagram for establishing the device of data exchange system of one embodiment of the disclosure.
Specific implementation mode
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Reference numeral indicate functionally the same or similar element.Although the various aspects of embodiment are shown in the accompanying drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the disclosure, numerous details is given in specific implementation mode below.
It will be appreciated by those skilled in the art that without certain details, the disclosure can equally be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Referring to Fig. 2, Fig. 2 shows the schematic diagrames according to the data exchange system of one embodiment of the disclosure.As shown in Fig. 2,
The system may include contact layer 10 and exchange network 20, and contact layer 10 is connected to exchange network 20, to be communicated.
Contact layer 10 and exchange network 20 may include multiple data exchange units, for example, contact layer 10 may include N number of data
Crosspoint, exchange network 20 may include K*M data exchange unit.Exchange network 20 can be divided into K group switching layer, to the K
Group switching layer is numbered, and is denoted as first layer 201 to K layers of 20K, each group switching layer of exchange network 20 can be connected with each other with into
Row communication.Wherein, the value of N, M and K can be positive integer, and the relationship between N and M can be：Relationship between N≤M, M and K can
For：M=2K.It is to be understood that first, the description of the above data exchange unit number to contact layer 10 and exchange network 20
And it is non-limiting, in actual disposition, the number of the data exchange unit of contact layer 10 can also be more than 20 every groups of numbers of exchange network
According to the number of crosspoint, N can also be more than M；Secondly, exchange network 20 can also be grouped otherwise, is handed over
The data exchange unit number that 20 every groups of switching layer of switching network include can not also be equal, alternatively, 20 each number of plies of exchange network
Can be other correspondences according between crosspoint number M and the number of plies K of exchange network 20.
The first layer 201 may connect to contact layer 10, it should be appreciated that, after being grouped to exchange network 20,
The first layer 201 and the K layers of 20K mirror image each other, therefore, what is be connected with contact layer 10 can be first layer 201, also may be used
To be K layers of 20K.The data exchange unit may include an at least input terminal and an at least output end, for example, the data
Crosspoint can be single ended input, Single-end output, can also be double-width grinding, both-end output, can also be four ports input,
Four ports export, and the disclosure does not limit.The data exchange system can connect networking by multiple data exchange units, to pass
Transmission of data carries out data exchange.
The data exchange system that networking is formed in the above manner, may be implemented a variety of scales, even ultra-large
Data exchanging function meets the data exchange demand of extensive electronic information processing system.For example, working as each data exchange list
When the data exchange capability of member is 1GB/s, 2GB/s, 4GB/s, 8GB/s ... 2 may be implemented in above-mentioned data exchange systemKGB/s,
Above-mentioned data exchange system breaches the bottleneck of the prior art, may be implemented TB grades, PB grades of (Petabytes, petabyte, meters
Calculation machine storage capacity unit, 1PB=1024TB==2^50 bytes) even more massive electronic information processing system number
According to switching requirement.When by selecting different number of data exchange unit composition data exchange system, can also realizing that data are handed over
Change the customization of system.
Referring to Fig. 3, Fig. 3 is the schematic diagram of the communication system of one embodiment of the disclosure.As shown in figure 3, the communication system
System includes communication system A, communication system B and data exchange system above-mentioned.
Communication system A and communication system B is connected to data exchange system to be communicated, communication system A and communication
System B can send out or receive information.For example, when communication system A needs to transmit data to communication system B, lead to
Letter system A can be connected to communication system B by data exchange system, in this way, the data of communication system A can pass through data
Exchange system is transferred to communication system B.It is to be understood that first, communication system B can also be transmitted by data exchange system
Data are to communication system A；Secondly, communication system A, communication system B may include one or more sub- communication system；Then,
Other than communication system A and communication system B, the communication system can also include other multiple communication system C/D/E (in figure
It is not shown) etc., other communication system C/D/E can pass through the data switching networks transmission data.
The quick of the large-scale data between multiple communication systems may be implemented in the communication system realized in the above manner
Transmission.
Please refer to Fig. 2.As shown in Fig. 2, the data exchange list that can include to the K layers of 20K to the first layer 201
Number is D to member respectively1,0~D1, M-1To DK, 0~DK, M-1。
In a kind of possible embodiment, the connection type between 20 each group switching layer of exchange network may include：
Work as K>When 1, described i-th layer of data exchange unit DI, jIt is connected to (i-1)-th layer of data exchange unit DI-1, j, and
(i-1)-th layer of data exchange unit DI-1, y, the data exchange unit DI-1, yMethod of determination be：
Enable t=mod (j, 2i), if t<2(i-1), then DI-1, yFor DI-1, j+2 (i-1)；If t >=2(i-1), then DI-1, yFor
DI-1, j-2 (i-1), wherein i=K, K-1 ..., 2；J=M-1, M-2 ..., 0.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 4, which gives, works as K=3, when each data exchange unit has dual input port and dual output port, data exchange
A kind of example of the connection type of system.As shown in figure 4, the data exchange that can include to third layer 203 to the first layer 201
It is D that unit is numbered respectively1,0~D1,7To D3,0~D3,7, data exchange unit D1,0~D1,7To data exchange unit D3,0~D3,7Tool
Just like connection relation shown in Fig. 3.
Using such connection type, data exchange system can be by each data exchange of contact layer 10 and K layers of 20K
Unit connects, and the data inputted from contact layer 10 can be from K layers of 20K any one data exchange unit outputs, equally
The data inputted from K layers of 20K any one data exchange units can be exported from contact layer 10.
Referring to Fig. 2, as shown in Fig. 2, it is D that the data exchange unit that can include to the contact layer 10 is numbered respectively0,0~
D0, N-1, it is D that data exchange unit that the first layer includes is numbered respectively1,0~D1, M-1,
In a kind of possible embodiment, as N=M, the connection side of the first layer 201 and the contact layer 10
Formula, including：
Work as K>When 1, the data exchange unit D of the first layer1, jIt is connected to the data exchange unit of the contact layer 10
D0, jAnd the data exchange unit D of the contact layer 100, x, the data exchange unit D0, xMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1。
As K=1, the data exchange unit D of the first layer 2011,0And D1,1It is separately connected the data of the contact layer
Crosspoint D0,0And D0,1。
Referring to Fig. 4, Fig. 4, which gives, works as K=3, each data exchange unit has dual input port and dual output port
When, a kind of example of the connection type of data exchange system.As shown in figure 4, the data exchange unit that can include to contact layer 10
Number is D respectively0,0~D0,7, it is D that the data exchange unit that can include to the first layer 201 is numbered respectively1,0~D1,7, contact
The data exchange unit D of layer 100,0~D0,7With the data exchange unit D of first layer 2011,0~D1,7With company as shown in Figure 4
Connect relationship.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 5, which gives, works as K=1, when each data exchange unit has dual input port and dual output port, data exchange
A kind of example of the connection type of system.As shown in figure 5, the data exchange unit that can include to contact layer 10 numbers and is respectively
D0,0, D0,1, it is D that the data exchange unit that can include to the first layer 201 is numbered respectively1,0, D1,1.The first layer 201
Data exchange unit D1,0And D1,1The data exchange unit D of the contact layer can be separately connected0,0And D0,1。
Using such connection type, data exchange system can be by the data exchange unit of contact layer 10 and first layer 201
It connects, the data inputted from the data exchange unit of contact layer 10 can pass through the data exchange unit from first layer 201
The K layers of 20K of exchange network 20 are transferred to, the data inputted from K layers of 20K can also be passed by each data exchange unit of first layer
It is defeated to arrive 10 each data exchange unit of contact layer.
In a kind of possible embodiment, as N=M, the connection type of the first layer and the contact layer, packet
It includes：
Work as K>When 1, the data exchange unit D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, j,
And the data exchange unit D of the contact layer0, x, the data exchange unit D0, xMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1。
As K=1, the data exchange unit D of the first layer 2011,0And D1,1It is separately connected the data of the contact layer
Crosspoint D0,0And D0,1。
Connection type between 20 each group switching layer of exchange network may include：
Work as K>When 1, described i-th layer of data exchange unit DI, jIt is connected to (i-1)-th layer of data exchange unit DI-1, j, and
(i-1)-th layer of data exchange unit DI-1, y, the data exchange unit DI-1, yMethod of determination be：
Enable t=mod (j, 2i), if t<2(i-1), then DI-1, yFor DI-1, j+2 (i-1)；If t >=2(i-1), then DI-1, yFor
DI-1, j-2 (i-1), wherein i=K, K-1 ..., 2；J=M-1, M-2 ..., 0.
Referring to Fig. 4, Fig. 4, which gives, works as K=3, each data exchange unit has dual input port and dual output port
When, a kind of example of the connection type of data exchange system.As shown in figure 4, the data exchange unit that can include to contact layer 10
Number is D respectively0,0~D0,7, it is D that the data exchange unit that can include to the first layer to third layer is numbered respectively1,0~D1,7
To D3,0~D3,7, contact layer 10, first layer between third layer have connection relation as shown in Figure 4.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 5, which gives, works as K=1, when each data exchange unit has dual input port and dual output port, data exchange
A kind of example of the connection type of system.As shown in figure 5, the data exchange unit that can include to contact layer 10 numbers and is respectively
D0,0, D0,1, it is D that the data exchange unit that can include to the first layer is numbered respectively1,0, D1,1.The data of the first layer 201
Crosspoint D1,0And D1,1It is separately connected the data exchange unit D of the contact layer0,0And D0,1。
Using such connection type, data exchange system can by each data exchange unit of contact layer 10 with exchange
Each data exchange unit of the K layers of 20K of network 20 connects, and is inputted from any one data exchange unit of contact layer 10
Data can be from K layers of 20K any one data exchange unit output, similarly from K layer 20K any one data friendships
Changing the data of unit input can export from any one data exchange unit of contact layer 10.
In a kind of possible embodiment, the number N for the data exchange unit that contact layer 10 includes can be with exchange network
The first layer data exchange unit M number that includes differ, for example, number N can be less than number M.
Referring to Fig. 2, it is D to be numbered respectively to the data exchange unit that the contact layer 10 includes0,0~D0, N-1, described
It is D that one layer of data exchange unit for including is numbered respectively1,0~D1, M-1,
Work as N<When M, the connection type between the first layer and the contact layer 10 may include：
Work as K>When 1, for the data exchange unit D of the first layer 2011, jIf the data exchange list of the contact layer
First D0, jIt is not present, then the data cell D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, z, the number
According to crosspoint D0, zMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1。
It should be noted that working as data exchange unit D0, jIn the absence of, others should be worked as and data exchange unit D0, j
The data exchange unit of connection can remove the connection with it, only retain the connection that may exist.
Work as K=1, if the data exchange unit D of the contact layer0,1It is not present, then the data cell of the first layer
D1,1、D1,0It is connected to the data exchange unit D of the contact layer0,0。
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of one embodiment data exchange system of the disclosure.
Fig. 6, which is shown, works as K>1, when each data exchange unit has dual input port and dual output port, N<The data of M
A kind of example of the connection type of exchange system, as shown in fig. 6, the data exchange unit that can include to contact layer 10 is compiled respectively
Number be D0,0~D0,6, it is D that the data exchange unit that can include to the first layer 201 is numbered respectively1,0~D1,7, contact layer 10
Data exchange unit D0,0~D0,7With 201 data exchange unit D of first layer1,0~D1,7With connection relation as shown in FIG. 6.
Referring to Fig. 7, Fig. 7 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
Fig. 7, which gives, works as K=1, when each data exchange unit has dual input port and dual output port, N<The number of M
According to a kind of example of the connection type of exchange system.As shown in fig. 7, the data exchange unit number that can include to contact layer 10 is
D0,0, it is D that the data exchange unit that can include to the first layer 201 is numbered respectively1,0, D1,1.The data of the first layer 201
Crosspoint D1,0And D1,1It is separately connected the data exchange unit D of the contact layer0,0。
Above to N<The citing of contact layer 10 and the receiving delivery system of first layer 201 describes not exhaustive when M, is intended merely to more
Illustrate the disclosure well, in other embodiments, when lack data exchange unit with illustrate the case where it is different when, can
With with different connection types, the present invention does not limit.
In a kind of possible embodiment, each data exchange unit in data exchange system may include multiple input
Port and multiple output ports can also wrap for example, data exchange unit may include four input ports and four output ports
Include eight input ports and eight output ports, that is to say, that data exchange unit is in addition to being four port devices described above
In addition, eight port devices, ten Six-port waveguide parts, 30 Two-port netwerk devices, 64 port devices etc. be can also be.Work as data
When crosspoint includes multiple input port and multiple output ports, including the data exchange system of above-mentioned data exchange unit can
With the topological structure with the data exchange system as described in Fig. 1-6, below with data exchange unit for eight port devices and ten
Six-port waveguide parts illustrate respectively.
Referring to Fig. 8, Fig. 8 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
As shown in figure 8, when each data exchange unit tool there are four input port and four output ports when, data exchange
The connection type of each data exchange unit is as shown in Figure 8 in system.
When data exchange unit is four four output of input, it is assumed that the speed of each data transmission port transmission data is
0.5GB/s, then the data throughput capabilities of each data exchange unit are 2GB/s.Data exchange system shown in Fig. 7 can be realized most
The data exchange speed of big 8GB/s.Data exchange system shown in Fig. 8 includes contact layer 10 and exchange network 20, exchange network
Including two layers of switching layer, respectively first layer 201, the second layer 202.When data exchange unit is eight port, contact layer can wrap
Four eight port data crosspoints are included, number may respectively be D0,0, D0,1, D0,2, D0,3, each eight port data is exchanged single
Wherein four ports of member are respectively labeled as IO00, IO01, IO02, IO03 as one group.First layer 201 is to the second layer 202
Number is respectively D1,0-D1,3, D2,0-D2,3, using wherein four ports of each eight port datas crosspoint in the second layer as
One group is respectively labeled as IO100, IO110, IO120,1O130.
Referring to Fig. 9, Fig. 9 is the structural schematic diagram of the data exchange system of one embodiment of the disclosure.
As shown in figure 9, when each data exchange unit has eight input ports and eight output ports, data exchange
The connection type of each data exchange unit is as shown in Figure 9 in system.
When data exchange unit is eight eight output of input, it is assumed that the speed of each data transmission port transmission data is
0.5GB/s, then the data throughput capabilities of each data exchange unit are 4GB/s.Data exchange system shown in Fig. 9 can be realized most
The data exchange speed of big 8GB/s.As shown in figure 8, data exchange system includes four data exchange unit D0,0, D0,1,D1,0,
D1,1, wherein D0,0, D0,1It can be used as contact layer 10, D1,0, D1,1Exchange network 20 is can be used as, which can only include one group
Switching layer first layer 201.Arbitrary eight ports in each data exchange unit of contact layer 10 are chosen to be respectively labeled as
IO000, IO001 choose arbitrary eight ports in each data exchange unit of exchange network first layer and are respectively labeled as
IO1000, IO1100.
Also referring to Fig. 2, Fig. 4, Fig. 5, Fig. 8 and Fig. 9 and its corresponding description, when data exchange unit is four ports
When device, eight port devices, ten Six-port waveguide parts, the data exchange system that they are formed can have similar topological structure, only
It needs by each data exchange unit be suitably grouped.It is to be understood that description herein is not intended to limit this public affairs
It opens, above citing is also not exhaustive, is up to 2 when data exchange unit hast(t when a port>2), can make
A kind of data exchange system is formed with multiple data exchange units, the composition of the data exchange system, connection type can have
There is foregoing form.Certainly, by similar methods, the data exchange of 4/8/16/32/64/128 port can also be realized
Hybrid network and arbitrary data crosspoint network, etc., the disclosure is not limited.
In a kind of possible embodiment, an at least input terminal for above-mentioned data exchange unit and it is described at least
Each of one output end is bidirectional data transfers port or one-way data transfer port.
When the input terminal of above-mentioned data exchange unit and output end are all bidirectional data transfers ports, entire switching network
The case where data transmission capabilities of network relative to the input terminal and output end of data exchange unit are all one-way data transfer ports
It is double.
In a kind of possible embodiment, data exchange system can also include load equalizer (not shown),
It is connected to the contact layer and exchange network, for the carry out load balancing to the data exchange system.
When data exchange system has the ability of load balancing, the working efficiency of data exchange system can greatly improve.
In a kind of possible embodiment, the connection type of the first layer and the contact layer, the exchange network
The connection type of each data exchange unit is electrical connection and/or light connects in the connection type of each group switching layer and the system.
In a kind of possible embodiment, above-mentioned data exchange unit can be fpga chip (Field-
Programmable Gate Array, field programmable gate array), dsp chip (English：Digital Signal
Processing, Chinese：Digital Signal Processing), router, interchanger, work station, server, computer etc. can realize number
According to equipment, the device for exchanging transmission.Above-mentioned data exchange unit can have the function of storing deeply so that the disclosure number
There is higher performance according to exchange system.
As shown in Figure 10, the disclosure also provides a kind of flow chart of the method for building up of data exchange system.
As shown in Figure 10, this method may comprise steps of：
Step S110 obtains the information of all data exchange units in net.
In a kind of possible embodiment, acquisition module obtains the information of all data exchange units in net, the letter
Breath may include address, working condition, connection relation etc..
Step S120 judges the working condition of all data exchange units, by idle data crosspoint therein
It is marked.
In a kind of possible embodiment, judgment module judges all data exchanges according to the information that acquisition module obtains
Working condition is that idle data exchange unit is marked by the working condition of unit, the data exchange unit conduct of label
Preliminary data crosspoint is used for follow-up.
In a kind of possible embodiment, judgment module can also judge according to the working condition of each data exchange unit
It executes the urgency level of task, if the importance that certain data exchange units execute task is relatively low, is marked, when
Idle data exchange unit number deficiency is with follow-up in use, carrying out operation using the low data exchange unit of importance.
Step S130 establishes data exchange system using the idle data crosspoint of label.
In a kind of possible embodiment, establishes module and established using the idle data crosspoint of label as schemed
Data exchange system shown in 1.
The data exchange system may include that contact layer and exchange network, contact layer 10 are connected to exchange network 20, with into
Row communication.
Contact layer 10 and exchange network 20 may include multiple data exchange units, for example, contact layer 10 may include N number of data
Crosspoint, exchange network 20 may include K*M data exchange unit.Exchange network 20 can be divided into K group switching layer, to the K
Group switching layer is numbered, and is denoted as first layer to K layers, each group switching layer of exchange network 20 can be connected with each other to be led to
Letter.Wherein, the value of N, M and K can be positive integer, and the relationship between N and M can be：Relationship between N≤M, M and K can be：M=
2K.It is to be understood that first, the description of the above data exchange unit number to contact layer 10 and exchange network 20 not limits
Fixed, in actual disposition, the number of the data exchange unit of contact layer 10 can also be more than 20 every groups of data exchanges of exchange network
The number of unit, N can also be more than M；Secondly, exchange network 20 can also be grouped otherwise, exchange network
The data exchange unit number that 20 every groups of switching layer include can not also be equal, alternatively, 20 each layer data of exchange network exchanges
Can be other correspondences between number of unit M and the number of plies K of exchange network 20.
The first layer may connect to contact layer 10, it should be appreciated that, it is described after being grouped to exchange network 20
First layer and described K layers mirror image each other, therefore, what is be connected with contact layer 10 can be first layer, can also be K layers.Institute
It may include an at least input terminal and an at least output end to state data exchange unit, for example, the data exchange unit can be
Single ended input, Single-end output can also be double-width grinding, both-end output, can also be the input of four ports, the output of four ports, this
It is open not limit.The data exchange system can connect networking by multiple data exchange units, to transmission data, into line number
According to exchange.
About the specific descriptions of data exchange system, the introduction before please referring to, details are not described herein again.
Can include storage after step S110- step S130 either steps in a kind of possible embodiment
Step, for the data that step S110- steps S13 is generated, for example, may include the information that storage obtains after step silo
Step can also include storage in step S130 in the step of step S120 may also include the data exchange unit of storage label
The step of connection type of the data exchange system of foundation.
It is to be understood that the execution flowed chart above is not limited to the description above, the sequence that step executes can change
Become, the action that each step executes can also increase, reduce, as long as data exchange system may be implemented by the cooperation of each step
The foundation of system.
By the implementation of the method for building up of data above exchange system, the disclosure can be found that data exchange idle in net
Unit, and data exchange system above-mentioned is established to realize that large-scale data exchanges using idle data exchange unit.
As shown in figure 11, the disclosure also provides a kind of frame for establishing device corresponding with the method for building up of data exchange system
Figure, this, which establishes device, can be divided into multiple modules to realize specific function, and the device of establishing includes acquisition module
200, judgment module 210 and module 220 is established.
Acquisition module 200, the information for obtaining all data exchange units in net.
In a kind of possible embodiment, acquisition module 200 obtains the information of all data exchange units in net, described
Information may include address, working condition, connection relation etc.
Judgment module 210 is electrically connected to the acquisition module, the work shape for judging all data exchange units
Idle data crosspoint therein is marked state.
In a kind of possible embodiment, judgment module 210 judges all numbers according to the information that acquisition module 200 obtains
It is that idle data exchange unit is marked by working condition according to the working condition of crosspoint, the data exchange list of label
Member is used as preliminary data crosspoint for follow-up.
In a kind of possible embodiment, judgment module 210 can also be according to the working condition of each data exchange unit
Judge that it executes the urgency level of task, if the importance that certain data exchange units execute task is relatively low, by it into rower
Note, when idle data exchange unit number deficiency using the low data exchange unit of importance with subsequently in use, carry out
Operation.
Establish module 220, be electrically connected to it is described establish module, for being built using the idle data crosspoint of label
Found data exchange system above-mentioned.
The data exchange system may include that contact layer and exchange network, contact layer 10 are connected to exchange network 20, with into
Row communication.
Contact layer 10 and exchange network 20 may include multiple data exchange units, for example, contact layer 10 may include N number of data
Crosspoint, exchange network 20 may include K*M data exchange unit.Exchange network 20 can be divided into K group switching layer, to the K
Group switching layer is numbered, and is denoted as first layer to K layers, each group switching layer of exchange network 20 can be connected with each other to be led to
Letter.Wherein, the value of N, M and K can be positive integer, and the relationship between N and M can be：Relationship between N≤M, M and K can be：M=
2K.It is to be understood that first, the description of the above data exchange unit number to contact layer 10 and exchange network 20 not limits
Fixed, in actual disposition, the number of the data exchange unit of contact layer 10 can also be more than 20 every groups of data exchanges of exchange network
The number of unit, N can also be more than M；Secondly, exchange network 20 can also be grouped otherwise, exchange network
The data exchange unit number that 20 every groups of switching layer include can not also be equal, alternatively, 20 each layer data of exchange network exchanges
Can be other correspondences between number of unit M and the number of plies K of exchange network 20.
The first layer may connect to contact layer 10, it should be appreciated that, it is described after being grouped to exchange network 20
First layer and described K layers mirror image each other, therefore, what is be connected with contact layer 10 can be first layer, can also be K layers.Institute
It may include an at least input terminal and an at least output end to state data exchange unit, for example, the data exchange unit can be
Single ended input, Single-end output can also be double-width grinding, both-end output, can also be the input of four ports, the output of four ports, this
It is open not limit.The data exchange system can connect networking by multiple data exchange units, to transmission data, into line number
According to exchange.
About the specific descriptions of data exchange system, the introduction before please referring to, details are not described herein again.
In a kind of possible embodiment, the device of establishing can also include memory module (not shown), deposit
Storage module is used to store the data that each step generates.Memory module can be by any kind of volatibility or non-volatile memories
Equipment or combination thereof are realized, such as static RAM (SRAM), electrically erasable programmable read-only memory
(EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), read-only memory
(ROM), magnetic memory, flash memory, disk or CD.
It should be noted that although the module map for establishing device using data describes the disclosure, this field as example
Technical staff it is understood that the disclosure answer it is without being limited thereto.In fact, user completely can be according to personal like and/or practical application
Scene flexibly sets each module, and the module in above-mentioned module map can increase, reduce, changing the execution step of modules,
As long as the cooperation between each module can complete the foundation of above-mentioned data exchange system.
By the cooperation of above each module, the disclosure can obtain the idle data crosspoint in net, and utilize the free time
Data exchange unit establishes the data exchange system that can carry out large-scale data exchange.
In a kind of possible embodiment, Figure 12 is one kind of one embodiment of the disclosure for establishing data exchange system
Device 1900 block diagram.For example, device 1900 may be provided as a server.Referring to Fig.1 2, device 1900 includes processing
Component 1922 further comprises one or more processors and memory resource represented by a memory 1932, is used for
Storage can be by the instruction of the execution of processing component 1922, such as application program.The application program stored in memory 1932 can be with
Including it is one or more each correspond to one group of instruction module (refering to fig. 1 1).In addition, 1922 quilt of processing component
It is configured to execute instruction, to execute the method for building up (refering to fig. 1 0) of above-mentioned data exchange system.
Device 1900 can also include that a power supply module 1926 be configured as the power management of executive device 1900, one
Wired or wireless network interface 1950 is configured as device 1900 being connected to network and input and output (I/O) interface
1958.Device 1900 can be operated based on the operating system for being stored in memory 1932, such as Windows ServerTM, Mac
OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing is additionally provided, such as including calculating
The memory 1932 of machine program instruction, above computer program instruction can be executed by the processing component 1922 of device 1900 to complete
The above method.
The disclosure can be system, method and/or computer program product.Computer program product may include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the disclosure.
Computer readable storage medium can be can keep and store the instruction used by instruction execution equipment tangible
Equipment.Computer readable storage medium for example can be-- but be not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electromagnetism storage device, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium
More specific example (non exhaustive list) includes：Portable computer diskette, random access memory (RAM), read-only is deposited hard disk
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static RAM (SRAM), portable
Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to
It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, LAN, wide area network and/or wireless network
Portion's storage device.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, fire wall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
For execute the disclosure operation computer program instructions can be assembly instruction, instruction set architecture (ISA) instruction,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
Arbitrarily combine the source code or object code write, the programming language include the programming language-of object-oriented such as
SmalltalK, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions can be executed fully, partly execute on the user computer, is only as one on the user computer
Vertical software package executes, part executes or on the remote computer completely in remote computer on the user computer for part
Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind
It includes LAN (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as profit
It is connected by internet with ISP).In some embodiments, by using computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the disclosure
Face.
Referring herein to according to the flow chart of the method, apparatus (system) of the embodiment of the present disclosure and computer program product and/
Or block diagram describes various aspects of the disclosure.It should be appreciated that flowchart and or block diagram each box and flow chart and/
Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to all-purpose computer, special purpose computer or other programmable datas
The processor of processing unit, to produce a kind of machine so that these instructions are passing through computer or other programmable datas
When the processor of processing unit executes, work(specified in one or more of implementation flow chart and/or block diagram box is produced
The device of energy/action.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to
It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, to be stored with instruction
Computer-readable medium includes then a manufacture comprising in one or more of implementation flow chart and/or block diagram box
The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment so that series of operation steps are executed on computer, other programmable data processing units or miscellaneous equipment, with production
Raw computer implemented process, so that executed on computer, other programmable data processing units or miscellaneous equipment
Instruct function action specified in one or more of implementation flow chart and/or block diagram box.
Flow chart and block diagram in attached drawing show the system, method and computer journey of multiple embodiments according to the disclosure
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
One module of table, program segment or a part for instruction, the module, program segment or a part for instruction include one or more use
The executable instruction of the logic function as defined in realization.In some implementations as replacements, the function of being marked in box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can essentially be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, this is depended on the functions involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart can use function or dynamic as defined in executing
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or this technology is made to lead
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (11)
1. a kind of data exchange system, which is characterized in that the data exchange system connects networking by multiple data exchange units,
Each data exchange unit includes an at least input terminal and an at least output end, the system comprises：
Contact layer, including N number of data exchange unit；And
Exchange network connects the contact layer, including K group switching layer, and every group of switching layer includes M data exchange unit, to institute
It states K group switching layer to be numbered, is denoted as first layer to K layers, the first layer is connect with the contact layer to be communicated, institute
Exchange network each group switching layer is stated to be connected with each other to be communicated；
Wherein, N, M and K are positive integer, N≤M, M=2K。
2. system according to claim 1, which is characterized in that hand over the first layer to the described K layers data for including
It is D to change unit and number respectively1,0~D1, M-1To DK, 0~DK, M-1,
Connection type between the exchange network each group switching layer includes：
Work as K>When 1, described i-th layer of data exchange unit DI, jIt is connected to (i-1)-th layer of data exchange unit DI-1, jAnd (i-1)-th
The data exchange unit D of layerI-1, y, the data exchange unit DI-1, yMethod of determination be：
Enable t=mod (j, 2i), if t<2(i-1), then DI-1, yFor DI-1, j+2 (i-1)；If t >=2(i-1), then DI-1, yFor
DI-1, j-2 (i-1),
Wherein, i=K, K-1 ..., 2；J=M-1, M-2 ..., 0.
3. system according to claim 2, which is characterized in that compiled respectively to the data exchange unit that the contact layer includes
Number be D0,0~D0, N-1, it is D that data exchange unit that the first layer includes is numbered respectively1,0~D1, M-1,
As N=M, the connection type of the first layer and the contact layer, including：
The data exchange unit D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, jAnd the contact layer
Data exchange unit D0, x, the data exchange unit D0, xMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1。
4. system according to claim 2, which is characterized in that compiled respectively to the data exchange unit that the contact layer includes
Number be D0,0~D0, N-1, it is D that data exchange unit that the first layer includes is numbered respectively1,0~D1, M-1,
Work as N<When M, the connection type between the first layer and the contact layer, including：
Work as K>When 1, for the data exchange unit D of the first layer1, jIf the data exchange unit D of the contact layer0, jNo
In the presence of the then data cell D of the first layer1, jIt is connected to the data exchange unit D of the contact layer0, z, the data exchange
Cells D0, zMethod of determination be：
When j is even number, data exchange unit D0, xFor data exchange unit D0, j+1；
When j is odd number, data exchange unit D0, xFor data exchange unit D0, j-1；
Work as K=1, if the data exchange unit D of the contact layer0,1It is not present, then the data cell D of the first layer1,1、
D1,0It is connected to the data exchange unit D of the contact layer0,0。
5. system according to claim 1, which is characterized in that in an at least input terminal and an at least output end
Each of be bidirectional data transfers port or one-way data transfer port.
6. system according to claim 1, which is characterized in that further include load equalizer, be connected to the contact layer and
Exchange network, for the carry out load balancing to the data exchange system.
7. according to claim 1~6 any one of them system, which is characterized in that the company of the first layer and the contact layer
The connection type for connecing each data exchange unit in mode, the connection type of the exchange network each group switching layer and the system is
Electrical connection and/or light connects.
8. a kind of method for building up of data exchange system, which is characterized in that including：
Obtain the information of all data exchange units in net；
Idle data crosspoint therein is marked the working condition for judging all data exchange units；And
Data exchange system as described in any one of claim 1 to 7 is established using the idle data crosspoint of label.
9. a kind of communication system using data exchange system, which is characterized in that including：
Such as claim 1-7 any one of them data exchange systems；
At least one first communication system is connected to the contact layer of the data exchange system；And
At least one second communication system is connected to K layers of the data exchange system.
10. a kind of data exchange system establishes device, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
Obtain the information of all data exchange units in net；
Idle data crosspoint therein is marked the working condition for judging all data exchange units；And
Data exchange system as described in any one of claim 1 to 7 is established using the idle data crosspoint of label.
11. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program instructions, which is characterized in that institute
It states and realizes method according to any one of claims 8 when computer program instructions are executed by processor.
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