CN103905467A - Efficient and safe image data network one-way physical channel importing system and application thereof - Google Patents
Efficient and safe image data network one-way physical channel importing system and application thereof Download PDFInfo
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- CN103905467A CN103905467A CN201410164139.XA CN201410164139A CN103905467A CN 103905467 A CN103905467 A CN 103905467A CN 201410164139 A CN201410164139 A CN 201410164139A CN 103905467 A CN103905467 A CN 103905467A
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Abstract
The invention discloses an efficient and safe image data network one-way physical channel importing system and the application of the efficient and safe image data network one-way physical channel importing system. The efficient and safe image data network one-way physical channel importing system comprises an outer network device, a one-way dedicated exchange passageway and an inner network device. The outer network device comprises an outer network server and a sending sub-system. The one-way dedicated exchange passageway comprises a sent-data exchange card, a one-way signal transmission module and a received-data exchange card. The inner network device comprises a receiving sub-system and an inner network server. By the adoption of the efficient and safe image data network one-way physical channel importing system and the application of the efficient and safe image data network one-way physical channel importing system, it can be guaranteed that a physical channel is absolutely unidirectional, and the importing system is suitable for deployment between networks at different safety levels; in this way, safety isolation of the multiple networks is guaranteed, and meanwhile efficient and reliable data unidirectional transmission can be achieved.
Description
Technical field
The present invention relates to image data network uni-directional physical channel highly effective and safe import system and application thereof.
Background technology
At present, in order to prevent that the Information System Security such as E-Government, ecommerce from divulging a secret, the major measure of taking is to forbid that Information System Security is connected with Low Security Level (or non-concerning security matters) network directly or indirectly, must carry out physical isolation.Although the information of concerning security matters network can not be leaked to Low Security Level (or non-concerning security matters) network by network after physical isolation, but this is what to sacrifice the ease of use of computer network be cost, because some required data of the operation system of moving in concerning security matters network inevitably will be from Low Security Level (or non-concerning security matters) network, after physical isolation, these required data can only obtain by the manual mode such as imprint CDs, reduce widely operating efficiency, affected the real-time of operation system operation.
Summary of the invention
The object of the present invention is to provide image data network uni-directional physical channel highly effective and safe import system and application thereof, it can guarantee the definitely unidirectional of physical channel, for information network provides higher level security protection ability, be applicable to being deployed between the network of different safety class, in guaranteeing multiple network security isolation, realize efficient, reliable data one-way transmission.
In order to achieve the above object, technical scheme of the present invention is:
Image data network uni-directional physical channel highly effective and safe import system, comprises outer net equipment, unidirectional private exchange passage, Intranet equipment, and wherein said outer net equipment comprises outer network server, sends subsystem, and described outer network server is connected with transmission subsystem; Described unidirectional private exchange passage comprises transmission data exchange card, one way signal transport module, receives data exchange card, described transmission data exchange card is connected with the receiving node interface of one way signal transport module by optical fiber, and described reception data exchange card is connected with the sending node interface of one way signal transport module by optical fiber; Described Intranet equipment comprises receiving subsystem, interior network server, and described receiving subsystem is connected with interior network server; Described transmission subsystem is connected with transmission data exchange card, and described receiving subsystem is connected with reception data exchange card.
Described transmission data exchange card is connected with one way signal transport module by PCI-E interface, and described reception data exchange card is connected with one way signal transport module by PCI-E interface.
The application of image data network uni-directional physical channel highly effective and safe import system, comprise the following steps: first outer network server transmitting terminal network captures the data that will transmit, then data-signal is transported to transmission subsystem by outer network server, send subsystem through protocol assembly, format checking, information filtering becomes privately owned form by secure data Reseal and by the unidirectional packet transmission data exchange card that is transported to, then send data exchange card by optical fiber by the unidirectional packet one way signal transport module that is transported to, then one way signal transport module by optical fiber by the unidirectional packet reception data exchange card that is transported to, then receive data exchange card by the unidirectional packet receiving subsystem that is transported to, receiving subsystem carries out verification reduction after receiving packet, the data that last receiving subsystem will transmit are transported to interior network server, thereby completing data network one-way transmission imports.
The invention has the beneficial effects as follows: image data network uni-directional physical channel highly effective and safe import system and application thereof, it can guarantee the definitely unidirectional of physical channel, for information network provides higher level security protection ability, be applicable to being deployed between the network of different safety class, in guaranteeing multiple network security isolation, realize efficient, reliable data one-way transmission.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment 1
Image data network uni-directional physical channel highly effective and safe import system as shown in Figure 1, comprise outer net equipment 1, unidirectional private exchange passage 2, Intranet equipment 3, wherein said outer net equipment 1 comprises outer network server 4, sends subsystem 5, and described outer network server 4 is connected with transmission subsystem 5; Described unidirectional private exchange passage 2 comprises transmission data exchange card 6, one way signal transport module 7, receives data exchange card 8, described transmission data exchange card 6 is connected with the receiving node interface of one way signal transport module 7 by optical fiber 11, and described reception data exchange card 8 is connected with the sending node interface of one way signal transport module 7 by optical fiber 11; Described Intranet equipment 3 comprises receiving subsystem 9, interior network server 10, and described receiving subsystem 9 is connected with interior network server 10; Described transmission subsystem 5 is connected with transmission data exchange card 6, and described receiving subsystem 9 is connected with reception data exchange card 8.
Described transmission data exchange card 6 is connected with one way signal transport module 7 by PCI-E interface, and described reception data exchange card 8 is connected with one way signal transport module 7 by PCI-E interface.
The application of image data network uni-directional physical channel highly effective and safe import system, comprise the following steps: first outer network server 4 transmitting terminal networks capture the data that will transmit, then outer network server 4 is transported to data-signal to send subsystem 5, send subsystem 5 through protocol assembly, format checking, information filtering becomes secure data Reseal privately owned form and unidirectional packet being transported to is sent to data exchange card 6, then send data exchange card 6 by optical fiber 11 by the unidirectional packet one way signal transport module 7 that is transported to, then one way signal transport module 7 receives data exchange card 8 by optical fiber 11 by unidirectional packet being transported to, then receive data exchange card 8 by the unidirectional packet receiving subsystem 9 that is transported to, receiving subsystem 9 carries out verification reduction after receiving packet, the data that last receiving subsystem 9 will transmit are transported to interior network server 10, thereby completing data network one-way transmission imports.
Owing to sending between subsystem 5 and receiving subsystem 9 without any being connected, the output that simultaneously receives data exchange card 6 does not connect optical fiber cable, assurance physics is unidirectional, and the reception input of data exchange card 6 and the sending node interface of one way signal transport module 7 are connected with fiber-optic signal line, bonding can only be transported to packet to receive data exchange card 6 by sending node interface to signal transmission module 7, can not receive the output packet of data exchange card 6, this scheme has guaranteed the absolute unidirectional without feedback transmission of data.
Image data network uni-directional physical channel highly effective and safe import system and the application thereof of the present embodiment, it can guarantee the definitely unidirectional of physical channel, for information network provides higher level security protection ability, be applicable to being deployed between the network of different safety class, in guaranteeing multiple network security isolation, realize efficient, reliable data one-way transmission.
Claims (3)
1. image data network uni-directional physical channel highly effective and safe import system, it is characterized in that: comprise outer net equipment (1), unidirectional private exchange passage (2), Intranet equipment (3), wherein said outer net equipment (1) comprises outer network server (4), sends subsystem (5), and described outer network server (4) is connected with transmission subsystem (5); Described unidirectional private exchange passage (2) comprises transmission data exchange card (6), one way signal transport module (7), receives data exchange card (8), described transmission data exchange card (6) is connected with the receiving node interface of one way signal transport module (7) by optical fiber (11), and described reception data exchange card (8) is connected with the sending node interface of one way signal transport module (7) by optical fiber (11); Described Intranet equipment (3) comprises receiving subsystem (9), interior network server (10), and described receiving subsystem (9) is connected with interior network server (10); Described transmission subsystem (5) is connected with transmission data exchange card (6), and described receiving subsystem (9) is connected with reception data exchange card (8).
2. image data network uni-directional physical channel highly effective and safe import system according to claim 1, it is characterized in that: described transmission data exchange card (6) is connected with one way signal transport module (7) by PCI-E interface, described reception data exchange card (8) is connected with one way signal transport module (7) by PCI-E interface.
3. the application of image data network uni-directional physical channel highly effective and safe import system according to claim 1, it is characterized in that comprising the following steps: first outer network server (4) transmitting terminal network captures the data that will transmit, then outer network server (4) is transported to data-signal to send subsystem (5), send subsystem (5) through protocol assembly, format checking, information filtering becomes secure data Reseal privately owned form and unidirectional packet being transported to is sent to data exchange card (6), then send data exchange card (6) by optical fiber (11) by the unidirectional packet one way signal transport module (7) that is transported to, then one way signal transport module (7) receives data exchange card (8) by optical fiber (11) by unidirectional packet being transported to, then receive data exchange card (8) by the unidirectional packet receiving subsystem (9) that is transported to, receiving subsystem (9) carries out verification reduction after receiving packet, the data that last receiving subsystem (9) will transmit are transported to interior network server (10), thereby completing data network one-way transmission imports.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164139.XA CN103905467A (en) | 2014-04-22 | 2014-04-22 | Efficient and safe image data network one-way physical channel importing system and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164139.XA CN103905467A (en) | 2014-04-22 | 2014-04-22 | Efficient and safe image data network one-way physical channel importing system and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506890A (en) * | 2014-12-31 | 2015-04-08 | 成都东方盛行电子有限责任公司 | Audio/video data transmission method based on PCI-E (peripheral component interconnect-express) standard |
| CN105141364A (en) * | 2015-09-17 | 2015-12-09 | 中国电子科技集团公司第八研究所 | Network isolation unidirectional fiber transmission system |
| CN106685992A (en) * | 2017-02-14 | 2017-05-17 | 厦门畅享信息技术有限公司 | Over-network safe exchange and interactive application system based on unidirectional transmission technology, and method thereof |
| CN108390778A (en) * | 2018-02-10 | 2018-08-10 | 浙江财经大学 | A kind of computer network security prior-warning device |
| CN111385280A (en) * | 2018-12-29 | 2020-07-07 | 方正国际软件(北京)有限公司 | Data transmission system and method and data ferry subsystem |
| CN112436998A (en) * | 2020-11-12 | 2021-03-02 | 北京天融信网络安全技术有限公司 | Data transmission method and electronic equipment |
-
2014
- 2014-04-22 CN CN201410164139.XA patent/CN103905467A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104506890A (en) * | 2014-12-31 | 2015-04-08 | 成都东方盛行电子有限责任公司 | Audio/video data transmission method based on PCI-E (peripheral component interconnect-express) standard |
| CN104506890B (en) * | 2014-12-31 | 2018-06-05 | 成都东方盛行电子有限责任公司 | A kind of audio/video data transmission method based on PCI-E standard |
| CN105141364A (en) * | 2015-09-17 | 2015-12-09 | 中国电子科技集团公司第八研究所 | Network isolation unidirectional fiber transmission system |
| CN106685992A (en) * | 2017-02-14 | 2017-05-17 | 厦门畅享信息技术有限公司 | Over-network safe exchange and interactive application system based on unidirectional transmission technology, and method thereof |
| CN108390778A (en) * | 2018-02-10 | 2018-08-10 | 浙江财经大学 | A kind of computer network security prior-warning device |
| CN111385280A (en) * | 2018-12-29 | 2020-07-07 | 方正国际软件(北京)有限公司 | Data transmission system and method and data ferry subsystem |
| CN112436998A (en) * | 2020-11-12 | 2021-03-02 | 北京天融信网络安全技术有限公司 | Data transmission method and electronic equipment |
| CN112436998B (en) * | 2020-11-12 | 2023-05-02 | 北京天融信网络安全技术有限公司 | Data transmission method and electronic equipment |
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Application publication date: 20140702 |