CN108833234A - A kind of new network switching system - Google Patents
A kind of new network switching system Download PDFInfo
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- CN108833234A CN108833234A CN201810688370.7A CN201810688370A CN108833234A CN 108833234 A CN108833234 A CN 108833234A CN 201810688370 A CN201810688370 A CN 201810688370A CN 108833234 A CN108833234 A CN 108833234A
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- network
- processing unit
- switching system
- adaptive device
- switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of new network switching systems, belong to network switching technical field, and system specifically includes：Processing unit, storage device and network adaptive device；Processing unit is separately connected storage device and network adaptive device；Network adaptive device is accessed in multiple corresponding remote service devices by least two external networks；A switching module is provided in network adaptive device；Network adaptive device is switched between the connection of different external networks by the control of switching module；Processing unit carries out data exchange by network adaptive device and remote service device；Storage device is for saving the data from remote service device that processing unit receives.The beneficial effect of above-mentioned technical proposal is：Terminal resource can be saved, while saving working space；It ensure that the confidentiality of internal data；Switching time is controlled, the accuracy and timeliness to operation response are improved.
Description
Technical field
The present invention relates to network switching technical field more particularly to a kind of new network switching systems.
Background technique
Office activity inside business and government organ generally will use two distinct types of network：Security network
With unclassified network.Security network is usually the local area network inside enterprise or government bodies, is generally used for transmitting internal text
Part, and internal work exchange；Unclassified network is normal external network.For business and government organ, if
Security network and unclassified network are obscured, or do not play the related measure of isolating and protecting, then the machine inside some organs
The information such as the trade secret of ciphertext part or enterprises, technology secret are easy to leak, so as to cause irremediable damage
It loses.
In response to the above problems, it will usually be solved using the method that physics separates：1）Many has the enterprise of security properties
Public institution can be forbidden to use outer net in the work hours, i.e., fundamentally broken off revealing our unit's machine in unclassified network
A possibility that ciphertext part.But when the enterprises and institutions need to contact cooperation with external other unit in the daily work（Example
Such as send out email msn real-time contacts）When, separate outer net completely using a series of troubles can be brought.2）It is some that there is secrecy
The enterprises and institutions of property can prepare two access terminals, generally computer in the work hours for employee.Wherein only use for one
In upper security network, another is served only for unclassified network.So many working spaces can be occupied, while also being made
At the wasting of resources of terminal device.
Chinese patent（CN102017783A）A kind of measure of network entity selection is disclosed, for example including supply by the
The identity of the network entity of one network equipment pre-selection, and the verification information for being used for the preselected network entity identities is provided, so that
It is able to verify that and states the network entity selection whether preselected network entity identities are applicable at second network equipment.Above-mentioned skill
Art scheme relates generally to the selection to network entity, i.e., enters different networks by authentication authorization, can not solve existing
The problem of technology.
Chinese patent（CN1874311）Disclose it is a kind of select network (200) one or more network nodes (212,
214) method of mobile node (100).Each network node of network (200) is communicatively connected to the network (200)
Other network node.The mobile node (100) includes communication unit, and the communication unit is configured to transmission can be by institute
Network node (212,214) received selection message is stated, the selection message includes the identifier of network node (100) and works as
The unique identifier of preceding selection, and the selection message be configured to select one and multiple network nodes (212,
214).Above-mentioned technical proposal is more focused on the selection in network-side to connecting node, not can solve existing in the prior art
Problem.
Summary of the invention
According to problems of the prior art, a kind of technical solution of new network switching system is now provided, it is specific to wrap
It includes：
A kind of new network switching system, wherein including processing unit, storage device and network adaptive device；The processing dress
It sets and is separately connected the storage device and the network adaptive device；
The network adaptive device is accessed in multiple corresponding remote service devices by least two external networks；The net
A switching module is provided in network adaptive device；The network adaptive device by the control of the switching module with difference
The external network connection between switch over；
The processing unit carries out data exchange by the network adaptive device and the remote service device；The storage
Device is for saving the data from the remote service device that the processing unit receives.
Preferably, network switching system, wherein further include a power supply unit；The power supply unit is separately connected described
Processing unit, the storage device and the network adaptive device；The power supply unit is used for the network switching system
Power supply.
Preferably, network switching system, wherein the switching module connects the power supply unit；When the switching mould
When block switches connection of the network adaptive device with the external network, the power supply unit controls the network switching system
System is restarted.
Preferably, network switching system, wherein the storage device is a memory storage.
Preferably, network switching system, wherein further include an input unit；The input unit is connected to the place
Manage device；
The input unit is input operation instruction for user；The processing unit reads the operational order, and by described
The operational order is sent to the remote service device by network adaptive device.
Preferably, network switching system, wherein the input unit is a keyboard and/or mouse.
Preferably, network switching system, wherein further include an output device；The output device is connected to the place
Manage device；
The processing unit reads and handles the data from the remote service device, and is exported by the output device.
Preferably, network switching system, wherein the output device is a display equipment.
Preferably, network switching system a, wherein timing module is set in the power supply unit；The timing module
Connect the network adaptive device；The timing module is built-in with a preset time interval；
The switching module is completed the control network adaptive device and is carried out between the connection of the different external networks
The operation of switching needs a switching interval；
If the switching interval is less than the preset time interval；Then the power supply unit does not control the network switching system
System is restarted；
If the switching interval is not less than the preset time interval, the power supply unit controls the network switching system
System is restarted.
The beneficial effect of above-mentioned technical proposal is：
1）Different external networks is physically separated using a terminal, terminal resource can be saved, while saving office
Space；
2）It is restarted automatically in the connection of terminal handover network, the data in terminal memory can be made not to outward leakage, ensure that interior
The confidentiality of portion's data；
3）Switching time is controlled, the accuracy and timeliness to operation response are improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of new network switching system in preferred embodiment of the invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
As shown in Figure 1, a kind of network switching system, has specifically included a processing unit, a storage device and a network
Adaptive device.In preferred embodiment of the invention, processing unit is separately connected above-mentioned storage device and Network adaptation dress
It sets.
Above-mentioned network adaptive device is connected to corresponding multiple remote service devices by least two external networks.I.e.
In preferred embodiment of the invention, network switching system by above-mentioned network adaptive device and at least two external networks it
Between connection, carry out data exchange from different remote service device.In preferred embodiment of the invention, above-mentioned network is suitable
Only have access an external network in the same time with device, i.e., synchronization can only be outer with this by an external network
Network corresponding remote service device in portion's carries out data exchange.
In preferred embodiment of the invention, above-mentioned processing unit passes through the network of network adaptive device and an outside
It is attached, and is connected to corresponding remote service device in turn, to carry out data exchange with the remote service device.Work as place
Reason device receive from remote service device transmit data when, which is saved into storage device by processing unit.
In preferred embodiment of the invention, above-mentioned network switching system further comprises input unit.Preferable reality of the invention
It applies in example, above-mentioned input unit is connected to processing unit, and for inputting operation instruction to processing unit, processing unit is by the behaviour
Make instruction to be sent in remote service device by external network.In preferred embodiment of the invention, above-mentioned input unit can
To be keyboard and/or mouse or other can be realized the input equipment of operational order input function.
In preferred embodiment of the invention, above-mentioned network switching system further comprises output device.Of the invention is preferable
Embodiment in, above-mentioned output device is connected to processing unit, for exporting the treated number transmitted by processing unit
According to.In preferred embodiment of the invention, above-mentioned output device can be display screen or other are exported in an appropriate manner
The equipment of data.
It include a switching module, network adaptive device in above-mentioned network adaptive device in preferred embodiment of the invention
It is switched between the connection of different external networks by the control of switching module.Specifically, of the invention is preferable
In embodiment, when network adaptive device only passes through a first network and one second network is respectively connected to corresponding remote service
When device, switching module can pass through physics switching control network adaptive device and first network or the second network connection.This
In the other embodiments of invention, filled when network adaptive device is respectively connected to corresponding remote service by multiple external networks
When setting, switching module can still switch between different external networks, to guarantee same time network adaptive device only
Corresponding remote service device can be connected to by an external network.
On the basis of above-mentioned technical proposal, above-mentioned " external network " may include whole network connections, such as local
Network and internet etc.." outside " is described relative to the relationship of network switching system for network, not with
" outside " limits the scope of the invention.
In preferred embodiment of the invention, network adaptive device is a network interface card.In preferred embodiment of the invention,
One network adaptive device is only set in network switching system, i.e., a network interface card is only set.
In preferred embodiment of the invention, above-mentioned storage device is a memory storage（Read-Only Memory,
ROM）.Further, since when from security network to unclassified network switching, the operation in security network may before
So that some remaining job informations are saved in the storage device of working equipment, if being arranged in working equipment non-volatile
Storage medium, then when switching to unclassified network, when working under security network environment originally in remained in storage medium
Job information be easy obtained by external network.Therefore, in preferred embodiment of the invention, using power down volatile data
ROM saves job information, by when replacing external network connection using power-off restarting in a manner of wipe and be stored in ROM
Job information, to accomplish the absolute isolation between different external networks.
In preferred embodiment of the invention, as described above, due to needing the power-off when switching over to network connection
Restart, therefore in preferred embodiment of the invention, a power supply unit is set in network switching system.It is of the invention compared with
In good embodiment, which is separately connected processing unit, storage device and Network adaptation in network switching system
Device.I.e. the power supply unit is for being powered network switching system.
In preferred embodiment of the invention, power supply unit is monitored switching module, cuts if monitoring switching module
When having changed the connection between network adaptive device and external network, power supply unit controls network switching system power-off restarting, with
Erasing may retain in the data in storage device.
In preferred embodiment of the invention, above-mentioned power supply unit can be a power supply, and an electricity can be set in power supply
Source controls chip to control the process of above-mentioned power-off restarting.In preferred embodiment of the invention, above-mentioned power supply control chip can
One 8051 single-chip microcontrollers are thought, to connect the power supply circuit of network adaptive device.
In preferred embodiment of the invention, due to using switching module between network adaptive device and external network
Connection when, switching time may be very short, and this extremely short switching time is likely to result in the failure for restarting circuit.For
In preferred embodiment of the invention, a timing module is arranged in above situation in power supply unit, built-in in timing module
One preset time interval t1.Then, switching module is controlled into network adaptive device from the state connecting with an external network
The time switched between the state connecting with another external network is set as switching interval t2.Preferable reality of the invention
It applies in example, built-in control unit in power supply unit（Such as the above power supply control chip）Detect switching interval
T2, and switching interval t2 is compared with preset time interval t1：
If t2 >=t1（I.e. switching interval is not less than preset time interval）, then power supply unit judgement is at this time to switching module
Operation belongs to normal operating, and power supply unit controls network switching system power-off restarting.
If t2 < t1（I.e. switching interval is less than preset time interval）, then power supply unit judgement is at this time to switching module
Operation it is too fast, power supply unit does not control network switching system and restarts.
In preferred embodiment of the invention, the switching module in above-mentioned network adaptive device can actually change for one group
Switch.In order to solve the problems, such as that switching interval is too short, dialling using a kind of design of Z-shaped in preferred embodiment of the invention
It changes switch and completes the switching for connecting different external networks to network adaptive device.Above-mentioned Z-shaped design is i.e. in two companies of switch
The operating groove of one Z-shaped is set between contact, is dialled for user's operation and changes switch.
In order to make it is further understood that technical solution of the present invention, cuts the above network
The system of changing is illustrated：
In a preferred embodiment of the invention, above-mentioned network switching system can be client, can be only in the client
It is set including the internal module for sending operational order by external network, such as a browser and basic input and output
It is standby, such as mouse, keyboard and display screen.One wired network adapter is set on above-mentioned thin-client, may include more on the network interface card
A network slot, for grafting many netting twines network switching system to be connect with external network.The other embodiment of the present invention
In, above-mentioned network adaptive device is also possible to a wireless network card, accesses different external networks by being wirelessly connected.
It in the embodiment, to the address ip of thin-client, is allocated by the way of dhcp, i.e., of the invention one
In preferred embodiment, as long as the corresponding remote service device of external network is DHCP server, thin-client can lead to
It crosses the wire/wireless connected reference remote service device and carries out data exchange.
In the embodiment, the storage equipment of thin-client is the memory storage of a power down volatile data.In thin-client
Network interface card on connection one group change switch.This group changes switch for controlling the connection status between network interface card and external network.Thin clients
It further include a power supply unit on end, it includes a power supply control chip on power supply which, which is the power supply of thin-client,
In this embodiment, which is preferably one 8051 single-chip microcontrollers.Power supply is for supplying entire thin-client
Electricity.When user's control, which is dialled, changes switching external network, power supply control chip detects the operation, and controls entire thin
Client power-off restarting, to wipe the data being cached in memory storage.In order to guarantee that power supply control chip i.e. 8051 is single
The correct response of piece machine in the embodiment, is dialling the design that a Z-shaped is applied between the two adjacent tie points for changing switch,
The time is stirred between two adjacent tie points to increase to dial to change to switch, to increase switching time, so that power supply control
Coremaking piece makes correct response to the handover operation for changing switch is dialled.
On the basis of above-mentioned technical proposal, above-mentioned illustration is only a preferred embodiment of the invention, not thereby
It limits the scope of protection of the present invention.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (5)
1. a kind of new network switching system, which is characterized in that including processing unit, storage device and network adaptive device；
The processing unit is separately connected the storage device and the network adaptive device；The network adaptive device is by least
Two external networks access in multiple corresponding remote service devices；A switching module is provided in the network adaptive device
；The network adaptive device is cut between the connection of the different external networks by the control of the switching module
It changes；The processing unit carries out data exchange by the network adaptive device and the remote service device；The storage
Device is for saving the data from the remote service device that the processing unit receives.
2. a kind of new network switching system as described in claim 1, which is characterized in that further include a power supply unit；
The power supply unit is separately connected the processing unit, the storage device and the network adaptive device；It is described for Denso
It sets for powering to the network switching system；The storage device is a memory storage.
3. a kind of new network switching system as described in claim 1, which is characterized in that described in the switching module connection
Power supply unit；It is described for Denso when the switching module switches the connection of the network adaptive device and the external network
The control network switching system is set to restart；One timing module is set in the power supply unit；Described in the timing module connection
Network adaptive device；The timing module is built-in with a preset time interval；The switching module is completed to control the network
The operation that adaptive device switches between the connection of the different external networks needs a switching interval；If described cut
It changes interval and is less than the preset time interval；Then the power supply unit does not control the network switching system and restarts；If described
Switching interval is not less than the preset time interval, then the power supply unit controls the network switching system and restarts.
4. a kind of new network switching system as described in claim 1, which is characterized in that further include an input unit；
The input unit is connected to the processing unit；The input unit is input operation instruction for user；The processing dress
It sets and reads the operational order, and the operational order is sent to by the remote service by the network adaptive device and is filled
It sets；The input unit is a keyboard and/or mouse.
5. a kind of new network switching system as described in claim 1, which is characterized in that further include an output device；
The output device is connected to the processing unit；The processing unit reads and handles from the remote service device
Data, and exported by the output device；The output device is a display equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688370.7A CN108833234A (en) | 2018-06-28 | 2018-06-28 | A kind of new network switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688370.7A CN108833234A (en) | 2018-06-28 | 2018-06-28 | A kind of new network switching system |
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| Publication Number | Publication Date |
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| CN108833234A true CN108833234A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688370.7A Withdrawn CN108833234A (en) | 2018-06-28 | 2018-06-28 | A kind of new network switching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714359A (en) * | 2019-01-16 | 2019-05-03 | 浙江乾行信息技术有限公司 | Equipment blocking device between a kind of control safety net |
-
2018
- 2018-06-28 CN CN201810688370.7A patent/CN108833234A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714359A (en) * | 2019-01-16 | 2019-05-03 | 浙江乾行信息技术有限公司 | Equipment blocking device between a kind of control safety net |
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Application publication date: 20181116 |