CN204993438U - One -way network data transmission device - Google Patents
One -way network data transmission device Download PDFInfo
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- CN204993438U CN204993438U CN201520642189.4U CN201520642189U CN204993438U CN 204993438 U CN204993438 U CN 204993438U CN 201520642189 U CN201520642189 U CN 201520642189U CN 204993438 U CN204993438 U CN 204993438U
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Abstract
The utility model provides an one -way network data transmission equipment, include: outer net isolating device, optical fiber transmission device, intranet isolating device and fault -tolerant controlling means, wherein, outer net isolating device's output with the input of optical fiber transmission device links to each other, the output of optical fiber transmission device with intranet isolating device's input links to each other, the optical fiber transmission device with fault -tolerant controlling means both way junction. The utility model discloses a fiber communication device is as outer net and intranet data transmission's passageway, and from physics aspect control data's one -way transmission, utilization communication sending module's one -way physics characteristic realizes the irreversible transmission of data.
Description
Technical field
The utility model relates to field of information security technology, particularly a kind of unilateral network data transmission device.
Background technology
Along with the development of Internet technology and information digitalization technology, network technology has been dispersed throughout each corner of life.Network substantially increases the operating efficiency of people.But network also brings great security risk while offering convenience.Although can pass through the safety measures such as fire compartment wall, proxy server, intrusion detection, these technology are all the logic isolation based on software, cannot reach and realize physical isolation from hardware foundation.In addition, in each layer protocol of current network service, data communication is all two-way, there is no the data one-way transmission realizing network level.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of unilateral network data transmission set, by the passage that fiber optic communications devices transmits as outer net and intranet data, from the one-way transmission of physical layer control data, utilize the uni-directional physical feature of communication sending module 14, realize the irreversible transmission of data.
To achieve these goals, embodiment of the present utility model provides a kind of unilateral network data transmission set, comprise: outer net spacer assembly, fiber transmission device, Intranet spacer assembly and faults-tolerant control device, wherein, the output of described outer net spacer assembly is connected with the input of described fiber transmission device, the output of described fiber transmission device is connected with the input of described Intranet spacer assembly, described fiber transmission device and described faults-tolerant control device are bi-directionally connected, wherein, described outer net spacer assembly comprises: packet ISN encrypting module, packet outer code encrypting module, Data dissemination module and the sending module that communicates, wherein, the input of described packet outer code encrypting module is connected with the output of described packet ISN encrypting module, the output of described packet outer code encrypting module is connected with the input of described Data dissemination module, the output of described Data dissemination module is connected with the input of described communication sending module, the output of described communication sending module is connected to send data optical signal to described fiber transmission device with the input of described fiber transmission device, described Intranet spacer assembly comprises: communication receipt module, judge module, packet outer-decoder module and packet inner decoding module, wherein, the input of described communication receipt module is connected with the output of described fiber transmission device, the input of described judge module is connected with the output of described communication receipt module, the output of described judge module is connected with the input of described packet outer-decoder module, and the input of described packet inner decoding module is connected with the output of described packet outer-decoder module.
According to the unilateral network data transmission device of the utility model embodiment, by the passage that fiber optic communications devices transmits as outer net and intranet data, from the one-way transmission of physical layer control data, utilize the uni-directional physical feature of communication sending module, realize the irreversible transmission of data.The transfer of data of this physically based deformation hardware is just that intrinsically safe data sheet is to transmission technology so far.From the viewpoint of message transmission rate, the utility model employing fiber-optic communications traffic can realize the high-speed transfer that traditional ethernet interface etc. does not possess, transmission speed is high, and the fail safe of transfer of data between concerning security matters network and non-concerning security matters network can be guaranteed, solve the demand of inter-network data one-way transmission, prevent from revealing in message transmitting procedure, guarantee the fail safe of transfer of data.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structure chart of the unilateral network data transmission set according to the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
As shown in Figure 1, the unilateral network data transmission set of the utility model embodiment, comprising: outer net spacer assembly 1, fiber transmission device 2, Intranet spacer assembly 3 and faults-tolerant control device 4.Wherein, the output of outer net spacer assembly 1 is connected with the input of fiber transmission device 2, and the output of fiber transmission device 2 is connected with the input of Intranet spacer assembly 3, and fiber transmission device 2 and faults-tolerant control device 4 are bi-directionally connected.
Particularly, outer net spacer assembly 1 comprises: packet ISN encrypting module 11, packet outer code encrypting module 12, Data dissemination module 13 and the sending module 14 that communicates.
Outer net is before carrying out transfer of data to Intranet, and first the packet of transmission enters outer net spacer assembly 1.Received by the packet ISN encrypting module 11 of outer net spacer assembly 1.Packet ISN encrypting module 1 carries out interior code encryption to the packet entered, and exports packet outer code encrypting module 12 to after completing ISN ciphering process by output.
The input of packet outer code encrypting module 12 is connected with the output of packet ISN encrypting module 11, the packet from packet ISN encrypting module 11 is carried out outer code encryption, exports Data dissemination module 13 to after completing outer code encryption by output.
The output of packet outer code encrypting module 12 is connected with the input of Data dissemination module 13, Data dissemination module 13 receives the packet from packet outer code encrypting module 12, judge the transmission target of packet, according to sending communication sending module 14 corresponding to target selection, select the communication sending module 14 after confirming, packet being exported to above-mentioned correspondence.
The output of Data dissemination module 13 is connected with the input of communication sending module 14, and communication sending module 14 produces light signal according to packet, light signal is sent to fiber transmission device 2.Because communication sending module 14 does not possess the function of receiving optical signals, thus the one-way of transfer of data can be ensured.
The output of communication sending module 14 is connected to send data optical signal to fiber transmission device 2 with the input of fiber transmission device 2.
Fiber transmission device 2 receives the light signal from communication sending module 14, and light signal enters fiber transmission device 2 and transmits.Wherein, fiber transmission device 2 carries out timing alternately in data transmission procedure with faults-tolerant control device 4.
Faults-tolerant control device 4 is according to the data of transmission range checking fiber transmission device 2 in data transmission procedure, and supplementary data signal, improves packet content, prevents packet loss problem.
Intranet spacer assembly 3 comprises: communication receipt module 31, judge module 32, packet outer-decoder module 33 and packet inner decoding module 34.
The input of communication receipt module 31 is connected with the output of fiber transmission device 32, receives the light signal exported from fiber transmission device 2, converts this light signal to packet, exports packet to judge module 32.
The input of judge module 32 is connected with the output of communication receipt module 31, receive the packet from described communication receipt module 31, the integrality of packet and Information Security being verified, exporting packet outer-decoder module 33 to by completing the packet after checking.
The input of packet outer-decoder module 33 is connected with the output of judge module 32, receives the packet from judge module 32, carries out outer-decoder to packet, exports packet inner decoding module 34 to by completing the packet after outer-decoder.
The input of packet inner decoding module 34 is connected with the output of packet outer-decoder module 33, receive the packet from packet outer-decoder module 33, data decode is carried out to packet, being reduced to initial data state by completing the packet after inner decoding, being sent to Intranet and carrying out stores processor.
According to the unilateral network data transmission device of the utility model embodiment, by the passage that fiber optic communications devices transmits as outer net and intranet data, from the one-way transmission of physical layer control data, utilize the uni-directional physical feature of communication sending module, realize the irreversible transmission of data.The transfer of data of this physically based deformation hardware is just that intrinsically safe data sheet is to transmission technology so far.From the viewpoint of message transmission rate, the utility model employing fiber-optic communications traffic can realize the high-speed transfer that traditional ethernet interface etc. does not possess, transmission speed is high, and the fail safe of transfer of data between concerning security matters network and non-concerning security matters network can be guaranteed, solve the demand of inter-network data one-way transmission, prevent from revealing in message transmitting procedure, guarantee the fail safe of transfer of data.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.Scope of the present utility model is by claims extremely equivalency.
Claims (1)
1. a unilateral network data transmission set, it is characterized in that, comprise: outer net spacer assembly, fiber transmission device, Intranet spacer assembly and faults-tolerant control device, wherein, the output of described outer net spacer assembly is connected with the input of described fiber transmission device, and the output of described fiber transmission device is connected with the input of described Intranet spacer assembly, and described fiber transmission device and described faults-tolerant control device are bi-directionally connected, wherein
Described outer net spacer assembly comprises: packet ISN encrypting module, packet outer code encrypting module, Data dissemination module and the sending module that communicates, wherein, the input of described packet outer code encrypting module is connected with the output of described packet ISN encrypting module, the output of described packet outer code encrypting module is connected with the input of described Data dissemination module, the output of described Data dissemination module is connected with the input of described communication sending module, the output of described communication sending module is connected to send data optical signal to described fiber transmission device with the input of described fiber transmission device,
Described Intranet spacer assembly comprises: communication receipt module, judge module, packet outer-decoder module and packet inner decoding module, wherein, the input of described communication receipt module is connected with the output of described fiber transmission device, the input of described judge module is connected with the output of described communication receipt module, the output of described judge module is connected with the input of described packet outer-decoder module, and the input of described packet inner decoding module is connected with the output of described packet outer-decoder module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642189.4U CN204993438U (en) | 2015-08-24 | 2015-08-24 | One -way network data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642189.4U CN204993438U (en) | 2015-08-24 | 2015-08-24 | One -way network data transmission device |
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| Publication Number | Publication Date |
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| CN204993438U true CN204993438U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520642189.4U Expired - Fee Related CN204993438U (en) | 2015-08-24 | 2015-08-24 | One -way network data transmission device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714325A (en) * | 2018-12-19 | 2019-05-03 | 北京奇安信科技有限公司 | A kind of one-way optical gate data transmission method, system, electronic equipment and medium |
| CN110445780A (en) * | 2019-08-05 | 2019-11-12 | 安徽云中联讯科技有限公司 | A kind of device and method of low cost unilateral network transmission |
| CN114039663A (en) * | 2021-11-11 | 2022-02-11 | 浩云科技股份有限公司 | Optical fiber-based unidirectional transmission device and data transmission method |
-
2015
- 2015-08-24 CN CN201520642189.4U patent/CN204993438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714325A (en) * | 2018-12-19 | 2019-05-03 | 北京奇安信科技有限公司 | A kind of one-way optical gate data transmission method, system, electronic equipment and medium |
| CN110445780A (en) * | 2019-08-05 | 2019-11-12 | 安徽云中联讯科技有限公司 | A kind of device and method of low cost unilateral network transmission |
| CN114039663A (en) * | 2021-11-11 | 2022-02-11 | 浩云科技股份有限公司 | Optical fiber-based unidirectional transmission device and data transmission method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |