CN215934887U - Data forwarding apparatus and data forwarding system - Google Patents
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Abstract
The embodiment of the utility model provides a data forwarding device and a data forwarding system, wherein the device comprises: the system comprises a plurality of input and output modules and a layer of switching chip, wherein the layer of switching chip is respectively in communication connection with the plurality of input and output modules; the at least one input/output module is used for executing an input function to receive a data signal, and the at least one input/output module is used for executing an output function to output the data signal; the first layer of switching chip comprises a physical layer, and is used for copying data signals received by the input/output module executing the input function in the physical layer and distributing the data signals to the input/output module executing the output function for output. The embodiment of the utility model can reduce data delay when the data signal is forwarded, and quickly and efficiently transmit the data signal to the client.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data forwarding device and a data forwarding system.
Background
With the development of computer network technology, the programmed trading of securities is becoming popular and an important force in the market. The speed and the efficiency of the transaction completion are greatly improved by the security programmed transaction, meanwhile, the quantity of market data generated by the security transaction is increased, and the requirement of people on the timeliness of market arrival is increased.
When the market data to be forwarded is more, the conventional three-layer switch needs to be cascaded with a plurality of conventional three-layer switches, and because the market data forwarding is not specially optimized, various scenes forwarded by two layers and three layers and various network protocols need to be processed when data signals are forwarded.
When the existing traditional three-layer switch forwards the data signals, when the data signals are more, a plurality of traditional three-layer switches need to be cascaded, and various network protocols need to be processed, so that great data delay is introduced, and the data signals cannot be quickly and efficiently transmitted to the client.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides data forwarding equipment and a data forwarding system, and aims to solve the technical problems that a traditional three-layer switch introduces large data delay when forwarding data signals and cannot quickly and efficiently transmit the data signals to a client.
In a first aspect, an embodiment of the present invention provides a data forwarding apparatus, including: the system comprises a plurality of input and output modules and a layer of switching chip, wherein the layer of switching chip is respectively in communication connection with the plurality of input and output modules;
the system comprises at least one input/output module, at least one data signal receiving module, at least one data signal processing module and at least one data signal processing module, wherein the at least one input/output module is used for executing an input function to receive a data signal, and the at least one input/output module is used for executing an output function to output the data signal;
the first layer of switching chip comprises a physical layer, and is used for copying data signals received by an input/output module executing an input function in the physical layer and distributing the data signals to the input/output module executing an output function for output.
In one possible design, the data forwarding device further includes a microprocessor, and the microprocessor is connected to a layer of switching chip in communication;
and the microprocessor is used for configuring the switching strategy of the first layer of switching chip according to an operation instruction input by a user so as to control the receiving, copying and distributing of the data signal by the first layer of switching chip according to the switching strategy.
In one possible design, the swap policy includes determining input/output modules that perform input functions, determining input/output modules that perform output functions, and determining input/output modules that do not perform input and output functions.
In one possible design, the data signal is in the form of a data packet;
the microprocessor is also used for monitoring the statistical information and the signal quality of the transmission data packet in at least one link in real time, and the link is composed of an input/output module for executing an output function and a corresponding client.
In a possible design, the first layer of switching chip further includes a configuration register, and the microprocessor is in communication connection with the first layer of switching chip through the configuration register;
the configuration register is used for receiving the switching strategy sent by the microprocessor so that the first layer of switching chip controls the receiving, copying and distributing of the data signal according to the switching strategy.
In a possible design, the first layer of switching chip further includes a status register, and the microprocessor is in communication connection with the first layer of switching chip through the status register;
the status register is used for storing the statistical information and the signal quality of the data packets transmitted in the at least one link, so that the microprocessor can monitor the statistical information and the signal quality of the data packets transmitted in the at least one link in real time by accessing the status register.
In one possible design, the layer of switching chips is an active device, and the output data signal and the received data signal are consistent in signal parameter.
In one possible design, the data forwarding device further includes a heat dissipation assembly;
the heat dissipation assembly comprises a chip radiator and a chassis heat dissipation fan, the chip radiator is arranged below the layer of exchange chips, and the chassis heat dissipation fan is arranged on the equipment;
the heat dissipation assembly is used for dissipating heat and cooling the equipment.
In one possible design, the data forwarding device further includes a redundant power supply;
the redundant power supply is mounted on the device for supplying power to the device.
In a second aspect, an embodiment of the present invention provides a data forwarding system, including: a server, a client and a data forwarding device according to any embodiment of the first aspect;
the data forwarding device is connected with the server through an input/output module for executing an input function, and is connected with the client through an input/output module for executing an output function.
The data forwarding device and the data forwarding system provided by the embodiment of the utility model are provided with a plurality of input and output modules, and a layer of switching chip, which is respectively connected with the plurality of input/output modules in communication, wherein, at least one input/output module is used for executing input function to receive data signal, at least one input/output module is used for executing output function to output data signal, one layer of exchange chip comprises physical layer, the system is used for copying data signals received by an input/output module executing an input function at a physical layer and distributing the data signals to the input/output module executing an output function for output, by arranging a plurality of input and output modules and copying and distributing the data signals only in the physical layer, the data delay during forwarding of the data signals can be reduced, and the data signals can be quickly and efficiently transmitted to the client.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural diagram of a data forwarding device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another data forwarding device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data forwarding system according to an embodiment of the present invention.
Reference numerals:
10: a data forwarding device;
11: an input-output module;
12: a layer of switching chips;
13: a microprocessor;
14: a network module;
15: a configuration register;
16: a status register;
20: a server;
30: and (4) a client.
With the above figures, certain embodiments of the utility model have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the utility model and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the utility model.
The following describes the technical solution of the present invention and how to solve the above technical problems with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
The security programmed trading is increasingly popularized and becomes an important force in the market, the trading completion speed and efficiency are greatly improved, meanwhile, the market data volume generated by the security trading is increased, and the requirement of people on timeliness of market arrival is also increased.
The existing traditional three-layer switch has limited output ports, when the number of clients needing to receive market data is larger than that of the output ports, a plurality of traditional three-layer switches need to be cascaded, large data delay is introduced, and data signals cannot be quickly and efficiently transmitted to the clients; because special optimization design is not carried out on market data forwarding, various scenes and various network protocols of two-layer and three-layer forwarding need to be processed when data signals are forwarded, and larger data delay can be introduced; when the situation data is increased rapidly, the traditional three-layer switch may generate data cache at the output port of the traditional three-layer switch, and further increase the data delay; data delay finally causes that the traditional three-layer switch can not transmit data signals to the client quickly and efficiently, and further causes that the performance of the traditional three-layer switch can not meet the requirement of market data forwarding.
In order to solve the above problem, an embodiment of the present invention provides a data forwarding apparatus, which is provided with a layer of switch chip and a plurality of input/output modules communicatively connected to the layer of switch chip, wherein at least one input/output module is configured to perform an input function to receive a data signal, at least one input/output module is configured to perform an output function to output the data signal, and the layer of switch chip only includes a physical layer and is configured to copy and distribute the data signal received by the input/output module that performs the input function to the input/output module that performs the output function at the physical layer, and by providing the plurality of input/output modules and copying and distributing the data signal only at the physical layer, data delay can be reduced when the data signal is forwarded, and the data signal can be quickly and efficiently transmitted to a client.
Fig. 1 is a schematic structural diagram of a data forwarding device according to an embodiment of the present invention. As shown in fig. 1, the data forwarding apparatus 10 includes: the system comprises a plurality of input/output modules 11 and a layer of switching chip 12, wherein the layer of switching chip 12 is respectively in communication connection with the plurality of input/output modules 11;
wherein, at least one input/output module 11 is configured to perform an input function to receive a data signal, and at least one input/output module 11 is configured to perform an output function to output the data signal;
the first layer of switch chip 12 includes a physical layer, and is configured to copy, in the physical layer, a data signal received by the input/output module 11 that performs an input function, and distribute the copied data signal to the input/output module 11 that performs an output function for output.
Specifically, the switch chip 12 of the first layer may be a switch chip having 160 ports, and the number of the input/output modules 11 may be up to 112, and the input/output modules are respectively connected to the ports of the switch chip 12 of the first layer for communication. The 112 input/output modules 11 can support connection of more clients, and the problem that a plurality of traditional three-layer switches need to be cascaded when the number of the clients is larger than that of the output ports, that is, a plurality of data signals need to be forwarded, due to the limited number of the input/output modules 11 in the prior art is solved. In the process of forwarding the same data signal, each input/output module 11 may be configured to perform an input function to receive the data signal, and may also be configured to perform an output function to output the data signal, and may also perform the input function first and then perform the output function, that is, in the process of forwarding the same data signal, the same input/output module 11 may receive the data signal first and then output the data signal.
Furthermore, each input/output module 11 performing an input function may correspond to a plurality of input/output modules 11 performing an output function, but each input/output module 11 performing an output function may correspond to only one input/output module 11 performing an input function, that is, a data signal may be input from one input/output module 11 performing an input function, copied and distributed by a layer of switching chip 12, and then output by the plurality of input/output modules 11 performing an output function, but each input/output module 11 performing an output function may output only a data signal received by one input/output module 11 performing an input function.
Further, the input/output module 11 is used for accessing an external physical connection, and may be a Small form-factor Pluggable (SFP) interface supporting a transmission rate of 1Gbps bandwidth or an enhanced Small form-factor (10 Gigabit) Pluggable (SFP +) interface supporting a transmission rate of 10Gbps bandwidth, so as to flexibly access servers of different models and specifications, where the physical connection may be an optical module, for example, an SFP optical module or an SFP + optical module, the optical module may include optical modules such as SR, LR, ER, ZR, and IRM, and may support different central wavelengths and transmission distances, and the optical module may support an optical fiber and a copper cable.
Specifically, the input/output module 11 executing the input function receives a data signal and transmits the data signal to the first layer switch chip 12, and the first layer switch chip 12 copies the received data signal in its physical layer and distributes it to the input/output module 11 executing the corresponding output function, so that the input/output module 11 executing the output function can output the data signal consistent with the received data signal, thereby implementing the forwarding of the data signal.
At least one input/output module 11 for performing input function is provided, and at least one input/output module 11 for performing output function is provided.
Further, the first layer of the switch chip 12 only includes a first layer, i.e., a physical layer, of an Open System Interconnection (OSI) model, and copies and distributes the data signal in the physical layer.
In addition, the first layer of switching chip 12 is an active device, which can ensure that the output data signal is consistent with the received data signal in terms of signal parameters, i.e. can ensure the signal strength of the output data signal, and avoid the attenuation of the data signal in the forwarding process.
The data forwarding device provided by the embodiment of the utility model comprises a layer of switching chip and a plurality of input/output modules in communication connection with the layer of switching chip, wherein at least one input/output module is used for receiving data signals, at least one input/output module is used for outputting the data signals, and the data signals received by the input/output module executing the input function can be copied in a physical layer of the layer of switching chip through the layer of switching chip and distributed to the input/output module executing the output function for output. Compared with the prior art, the data forwarding device is provided with up to 112 input/output modules, and only copies and distributes the data signals in the physical layer, so that data delay can be reduced when the data signals are forwarded, and the data signals can be quickly and efficiently transmitted to the client.
For further implementation, whether the input/output module executes the input function, the output function or does not execute the input and output functions can be determined according to user requirements, and the switching strategy of the switching chip of one layer can be configured. The embodiment of the utility model is also provided with a microprocessor to realize the configuration of the switching strategy of the first layer of switching chip.
Fig. 2 is a schematic structural diagram of another data forwarding device according to an embodiment of the present invention. As shown in fig. 2, the data forwarding apparatus 10 includes: the system comprises a plurality of input/output modules 11 and a layer of switching chip 12, wherein the layer of switching chip 12 is respectively in communication connection with the plurality of input/output modules 11;
wherein, at least one input/output module 11 is configured to perform an input function to receive a data signal, and at least one input/output module 11 is configured to perform an output function to output the data signal;
the first layer of switch chip 12 includes a physical layer, and is configured to copy, in the physical layer, a data signal received by the input/output module 11 that performs an input function, and distribute the copied data signal to the input/output module 11 that performs an output function for output.
Furthermore, data forwarding apparatus 10 may further include: the microprocessor 13, the said microprocessor 13 communicates with a layer of switching chips 12 to connect;
the microprocessor 13 is configured to configure the switching policy of the first layer switching chip 12 according to an operation instruction input by a user, so that the first layer switching chip 12 controls the receiving, copying and distributing of the data signal according to the switching policy.
Specifically, the switching policy includes determining the input-output module 11 that performs the input function, determining the input-output module 11 that performs the output function, and determining the input-output module 11 that does not perform the input and output functions.
specifically, the microprocessor 13 is communicatively connected to the network module 14, and can communicate with an external ethernet through the network module 14.
That is, a user may connect to the network module 14 through the ethernet interface, and then input a corresponding operation instruction through a command line interface or a graphical interface at a client according to a user requirement, so that the microprocessor 13 configures the switching policy of the first layer of switching chip 12 according to the operation instruction, so as to determine the input/output module 11 performing an input function, determine the input/output module 11 performing an output function, and determine the input/output module 11 not performing an input and output function, i.e., may control data signals to be received from which input/output modules 11 performing an input function according to the user requirement, and to be copied and distributed to which input/output modules 11 performing an output function for output.
Optionally, in this embodiment, the switching logic of the first layer of switching chip 12 is configured in a manner of supporting a Hypertext Transfer Protocol (HTTP) and a remote procedure call Transfer Protocol (JSON-RPC).
Further, the layer of switching chip 12 further includes: the microprocessor 13 is in communication connection with the layer of switching chip 12 through the configuration register 15;
the configuration register 15 is configured to receive the switching policy sent by the microprocessor 13, so that the first layer of switching chip 12 controls the receiving, copying and distributing of the data signal according to the switching policy.
Specifically, after receiving an operation instruction input by a user, the microprocessor 13 configures the switching policy of the first layer switching chip 12 according to the operation instruction, and sends the switching policy to the configuration register 15, and after receiving the switching policy from the microprocessor 13, the configuration register 15 enables the first layer switching chip 12 to control the receiving, copying and distributing of the data signal according to the switching policy.
Furthermore, the data signal is in the form of a data packet;
the microprocessor 13 is further configured to monitor statistics and signal quality of data packets transmitted in at least one link in real time, where the link is composed of the input/output module 11 performing an output function and a corresponding client.
Specifically, as described above, the user may connect to the network module 14 through the ethernet interface, and then may realize connection between the client and the microprocessor 13, and may monitor the current state of the data forwarding device 10 through the microprocessor 13, including monitoring the statistical information and signal quality of the data packets in the link from the input/output module 11 executing the output function to the corresponding client in real time, and by monitoring the statistical information of the data packets in the link, it may be determined in time whether the data packets in the link are lost, and then take corresponding measures in time when the data packets in the link are lost.
Further, the layer of switching chip 12 further includes: the state register 16, the microprocessor 13 is in communication connection with the layer of switching chip 12 through the state register 16;
the status register 16 is used for storing the statistical information and the signal quality of the transmission data packets in at least one link, so that the microprocessor 13 can monitor the statistical information and the signal quality of the transmission data packets in at least one link in real time by accessing the status register 16.
Specifically, the one-layer switch chip 12 stores current state information of the one-layer switch chip into the state register 16, where the current state information includes statistical information and signal quality of a data packet transmitted in at least one link, that is, the state memory 16 stores the statistical information and signal quality of the data packet transmitted in at least one link, and the microprocessor 13 can monitor the statistical information and signal quality of the data packet transmitted in the link in real time by accessing the state register 16.
In this embodiment, by setting the microprocessor, the switching policy of the first layer of switching chip may be configured according to the user requirement, so that it may be determined according to the user requirement that each input/output module performs an input function, an output function, or does not perform an input/output function, and at the same time, it may monitor statistical information and signal quality of a transmission data packet in at least one link, and determine whether the data packet in the link is lost; by arranging the network module, the microprocessor can communicate with the external Ethernet through the network module; by setting the configuration register and the status register, the microprocessor and the first layer of switching chips can be in communication connection through the configuration register and the status register, and further the configuration of the switching strategy of the first layer of switching chips and the monitoring of the statistical information and the signal quality of the transmission data packets in the link are realized by the microprocessor.
Furthermore, a plurality of input/output modules 11 may be combined to form a super input/output module 11 through hardware connection, so that the super input/output module 11 can support a transmission rate with a larger bandwidth, and can more flexibly access servers with different models and specifications, support transmission rates with different bandwidths, and expand the application range of the data forwarding device 10.
For example, if a 10Gbps SFP + optical module interface is adopted as the input/output module 11, 4 10Gbps SFP + optical module interfaces may be combined by hardware connection to form 1 40Gbps QSFP + (Quad 10Gigabit Small From-factor plug) optical module interface, so that the transmission rate of 40Gbps bandwidth may be supported, the transmission rate may be increased, and meanwhile, the availability of the data forwarding device 10 may be increased.
Furthermore, according to the user requirement, the switching policy of the switching chip 12 in one layer may be further configured by the microprocessor 13, that is, by configuring the switching policy, it may be realized that a part of the 10Gbps SFP + optical module interface supports a transmission rate of 10Gbps bandwidth, a part of the 10Gbps SFP + optical module interface forms a 40Gbps QSFP + optical module interface by hardware connection combination, and supports a transmission rate of 40Gbps bandwidth, so that the transmission rate of different bandwidths may be supported more flexibly, and servers of different models and specifications may be supported.
Further, the data forwarding apparatus 10 further includes: a heat sink assembly (not shown);
the heat dissipation assembly comprises a chip radiator and a chassis heat dissipation fan, the chip radiator is installed below the layer of exchange chip 12, and the chassis heat dissipation fan is installed on the data forwarding device 10;
the heat dissipation assembly is configured to dissipate heat and cool the data forwarding device 10.
Specifically, the chip radiator is configured to perform heat dissipation and cooling processing on the first-layer exchange chip 12 to ensure that the first-layer exchange chip 12 can continuously and normally operate, and the chassis cooling fan is configured to perform heat dissipation and cooling processing on the data forwarding device 10 to ensure that the data forwarding device 10 can continuously and normally operate.
the redundant power supply is mounted on the data forwarding device 10 and is configured to supply power to the data forwarding device 10.
Specifically, the redundant power supply supplies power to the data forwarding device 10, and is composed of two identical power supplies, and under a normal condition, the two power supplies constituting the redundant power supply cooperate to supply power to the data forwarding device 10 together, and when one of the power supplies fails, the other power supply can take over the operation of the failed power supply, so that the data forwarding device 10 is ensured to operate continuously and normally, and high availability of the data forwarding device 10 is realized.
In this embodiment, by setting the heat dissipation assembly, the heat dissipation and cooling of the entire first-layer switching chip and the data forwarding device can be performed, so as to ensure that the first-layer switching chip and the data forwarding device can continuously and normally operate under high power consumption; by arranging the redundant power supply, the power supply can be used for supplying power to the data forwarding equipment so as to ensure the normal work of the data forwarding equipment and realize the high availability of the data forwarding equipment.
Fig. 3 is a schematic structural diagram of a data forwarding system according to an embodiment of the present invention. As shown in fig. 3, the data forwarding system includes: server 20, client 30, and data forwarding device 10.
The data transfer device 10 is connected to the server 20 through an input-output module that performs an input function, and is connected to the client 30 through an input-output module that performs an output function.
The data forwarding device 10 may be a data forwarding device provided in the embodiment of the present invention, and may include a plurality of input/output modules, a layer of switching chip, a microprocessor, a configuration register, and a status register, and may further include a network module, a heat dissipation assembly, and a redundant power supply.
Specifically, the data forwarding device 10 receives the data signal from the server 20 through the input/output module performing the input function, copies the data signal and distributes the data signal to the input/output module performing the output function, so that the input/output module performing the output function transmits the data signal to the corresponding client 30, thereby forwarding the data signal from the server 20 to the client 30.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A data forwarding device, comprising: the system comprises a plurality of input and output modules and a layer of switching chip, wherein the layer of switching chip is respectively in communication connection with the plurality of input and output modules;
the system comprises at least one input/output module, at least one data signal receiving module, at least one data signal processing module and at least one data signal processing module, wherein the at least one input/output module is used for executing an input function to receive a data signal, and the at least one input/output module is used for executing an output function to output the data signal;
the first layer of switching chip comprises a physical layer, and is used for copying data signals received by an input/output module executing an input function in the physical layer and distributing the data signals to the input/output module executing an output function for output.
2. The apparatus of claim 1, further comprising a microprocessor communicatively coupled to the layer of switching chips.
3. The apparatus of claim 2, wherein the data signal is in the form of a data packet;
the microprocessor is also used for monitoring the statistical information and the signal quality of the transmission data packet in at least one link in real time, and the link is composed of an input/output module for executing an output function and a corresponding client.
4. The apparatus of claim 2, wherein the layer one switch chip further comprises a configuration register, and the microprocessor is communicatively coupled to the layer one switch chip via the configuration register;
the configuration register is used for receiving the switching strategy sent by the microprocessor so that the first layer of switching chip controls the receiving, copying and distributing of the data signal according to the switching strategy.
5. The apparatus of claim 3, wherein the layer of switch chips further comprises a status register, and the microprocessor is communicatively coupled to the layer of switch chips via the status register;
the status register is used for storing the statistical information and the signal quality of the data packets transmitted in the at least one link, so that the microprocessor can monitor the statistical information and the signal quality of the data packets transmitted in the at least one link in real time by accessing the status register.
6. The apparatus of claim 1, wherein the layer of switching chips are active devices, and wherein the output data signal is consistent with the received data signal in signal parameters.
7. The apparatus of claim 1, further comprising a heat sink assembly;
the heat dissipation assembly comprises a chip radiator and a chassis heat dissipation fan, the chip radiator is arranged below the layer of exchange chips, and the chassis heat dissipation fan is arranged on the equipment;
the heat dissipation assembly is used for dissipating heat and cooling the equipment.
8. The apparatus of claim 1, further comprising a redundant power supply;
the redundant power supply is mounted on the device for supplying power to the device.
9. A data forwarding system, comprising: a server, a client and a data forwarding device according to any one of claims 1-8;
the data forwarding device is connected with the server through an input/output module for executing an input function, and is connected with the client through an input/output module for executing an output function.
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