CN105721191B - A kind of link failure processing method, system and wireless backup gateway - Google Patents
A kind of link failure processing method, system and wireless backup gateway Download PDFInfo
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Abstract
The invention discloses a kind of link failure processing method, system and wireless backup gateway, link failure processing method includes: that wireless backup gateway determines whether wired internet pass breaks down；If wired internet pass is broken down, the interconnection in wireless backup gateway adapter tube private network communication system between the communication system of different systems.The present invention can be improved the reliability of private network communication.
Description
Technical field
The present embodiments relate to fields of communication technology, and in particular to a kind of link failure processing method, system and nothing
Line backup gateway.
Background technique
Private network refers to covering specific region, is the communication network of properties object service, is a kind of dedicated network, such as iron
Road system private network, public security system private network, Flood-prevention Private Network, military private network etc..Cluster communication refer to using have channel sharing and
The cluster communication common network of the trunked communication system composition of the technical characterstics such as dynamic allocation, is the group users such as multiple departments, unit
The communication services such as dedicated command scheduling are provided.Current trunked communication system generally has multistage fail soft function, can solve
Certainly some link failures；And for there is the private network communication system of very high requirement to communication reliability, it is weak to failure in design
Change the few of consideration, usual link just can not work normally once breaking down, and reply natural calamity ability is poor, reliably
Property is lower.Therefore, it is necessary to propose that a kind of method solves the above problems.
Summary of the invention
In view of this, the present invention provides a kind of link failure processing method, system and wireless backup gateway, Neng Gouti
The reliability of high private network communication.
In a first aspect, the present invention provides a kind of link failure processing methods, comprising:
Wireless backup gateway determines whether wired internet pass breaks down；
If the wired internet pass is broken down, different systems in the wireless backup gateway adapter tube private network communication system
Interconnection between the communication system of formula.
Preferably, the wireless backup gateway and the wired internet, which close, shares heartbeat mechanism；
The wireless backup gateway determines whether wired internet pass breaks down
If the wireless backup gateway monitors heartbeat exception, the wireless backup gateway determines the wired internet
It breaks down pass.
Preferably, the method also includes:
The wireless backup gateway determines whether the wired internet pass overloads；
If the wired internet closes overload, the wireless backup gateway is responsible for mutual between the communication system of overburden portion
Connection.
Preferably, the protocol IP between the wireless backup gateway and wired internet pass by being interconnected between network
Interconnection, the wireless backup gateway access the communication system of the different systems by ride.
Second aspect, the present invention provides a kind of link failure processing system, the link failure processing system includes
Line Interworking GateWay and wireless backup gateway, the wireless backup gateway include:
Determination unit, for determining whether wired internet pass breaks down；
Processing unit, for when wired internet pass is broken down, different systems in adapter tube private network communication system
Communication system between interconnection.
Preferably, the wireless backup gateway and the wired internet, which close, shares heartbeat mechanism；
The determination unit is specifically used for, and when the wireless backup gateway monitors heartbeat exception, determines described wired
Interworking GateWay breaks down.
Preferably, the protocol IP between the wireless backup gateway and wired internet pass by being interconnected between network
Interconnection, the wireless backup gateway access the communication system of the different systems by ride.
The third aspect, wireless backup gateway provided by the invention, including processor and memory, in which:
The memory is for storing batch processing instruction；
The processor is used to call the program instruction stored in the memory, performs the following operations:
Determine whether wired internet pass breaks down；
If the wired internet pass is broken down, in adapter tube private network communication system between the communication system of different systems
Interconnection.
Preferably, the wireless backup gateway and the wired internet, which close, shares heartbeat mechanism；
The processor determines whether wired internet pass breaks down
If the wireless backup gateway monitors heartbeat exception, the processor determines that the wired internet closes and occurs
Failure.
Preferably, the processor is also used to, and determines whether the wired internet pass overloads；If the wired internet
Overload is closed, then the interconnection being responsible between the communication system of overburden portion.
Preferably, the protocol IP between the wireless backup gateway and wired internet pass by being interconnected between network
Interconnection, the wireless backup gateway access the communication system of the different systems by ride.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In the embodiment of the present invention, wireless backup gateway determines whether wired internet pass breaks down；If wired internet
Pass is broken down, then the interconnection between the communication system of wireless backup gateway adapter tube different systems.Have in the embodiment of the present invention
Two communication gates, a wired internet closes and a wireless backup gateway, under normal circumstances, is closed and is responsible for by wired internet
Interconnection between the communication system of different systems is taken over different after wired internet, which closes, to break down by wireless backup gateway
Interconnection between the communication system of standard, to improve the reliability of private network communication using the back mechanism of wireless backup gateway.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those skilled in the art, other attached drawings can also be obtained such as these attached drawings.
Fig. 1 is link failure processing method one embodiment schematic diagram provided by the invention；
Fig. 2 is another embodiment schematic diagram of link failure processing method provided by the invention；
Fig. 3 is link failure processing system one embodiment schematic diagram provided by the invention；
Fig. 4 is wireless backup gateway one embodiment schematic diagram provided by the invention；
Fig. 5 is another embodiment schematic diagram of wireless backup gateway provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of link failure processing method, system and wireless backup gateways, and it is logical to can be improved private network
The reliability of letter.
Referring to Fig. 1, link failure processing method one embodiment of the present invention includes:
101, wireless backup gateway determines whether wired internet pass breaks down, if so, thening follow the steps 102, otherwise
Step 103 is executed to end processing；
102, the interconnection in wireless backup gateway adapter tube private network communication system between the communication system of different systems.
There are two communication gates for tool in the present embodiment, and a wired internet closes and a wireless backup gateway, positive reason
Under condition, the interconnection being responsible between the communication system of different systems is closed by wired internet, after wired internet, which closes, to break down,
By the interconnection between the communication system of wireless backup gateway adapter tube different systems, to be mentioned using the back mechanism of wireless backup gateway
The high reliability of private network communication system communication.
For ease of understanding, link failure processing method provided by the invention is described with a specific embodiment below, please join
Fig. 2 is read, the method for the present embodiment includes:
201, wireless backup gateway determines whether wired internet pass breaks down, if so, thening follow the steps 202, otherwise
Step 205 is executed to end processing；
In the specific implementation, closing the interconnection being responsible between the communication system of different systems, wireless backup gateway by wired internet
It can be monitored in real time whether wired internet pass breaks down.Specifically, wireless backup gateway can have by monitoring heartbeat determination
Whether line Interworking GateWay breaks down, i.e., wireless backup gateway can close with wired internet and share a set of heartbeat mechanism, wireless standby
Whether part gateway can monitor heartbeat normal, when monitoring heartbeat exception, can determine that failure has occurred in wired internet pass.
In addition, wireless backup gateway can also determine whether wired internet pass breaks down by faulting instruction, that is, work as
When wired internet pass is broken down, wired internet, which is closed, can send faulting instruction to wireless backup gateway, work as wireless backup
When gateway receives faulting instruction, that is, it can determine that failure, wireless backup gateway and wired internet has occurred in wired internet pass
It can be instructed by agreement (Internet Protocol, the IP) transmission interconnected between network between pass.
202, the interconnection in wireless backup gateway adapter tube private network communication system between the communication system of different systems；
When wired internet pass is broken down, to avoid communication disruption, wireless backup gateway can take over wired interconnection
The work of gateway, the interconnection being responsible between the communication system of different systems, such as receive the signaling of different communication system transmissions simultaneously
It is handled, to guarantee that group-calling service is normally carried out.Wireless backup gateway accesses the communication system of the different systems by ride
System.
Subsequent wireless backup gateway can determine that wired internet closes whether failure is restored, if so, wireless backup gateway
It transfers to wired internet to close adapter tube the interconnection between the communication system of different systems, otherwise, continues to take over by wireless backup gateway
Interconnection between the communication system of different systems.
In the specific implementation, being closed after wired internet pass is broken down by wireless backup gateway adapter tube wired internet
Work receives the signaling that different communication systems are sent.It is exhaled for example, the mobile terminal in the communication system of different systems establishes group
During, if what wireless backup gateway received is that the group that any one communication system is sent exhales and is incorporated to signaling, illustrate at this time
Wired internet pass be successfully established call service group, then wireless backup gateway determine wired internet close failure restored, then without
Line backup gateway can transfer to the interconnection between the communication system of different systems wired internet to close adapter tube；And work as wireless backup net
When what pass received is that the group that any one communication system is sent exhales online signaling, illustrate that wired internet is closed or can not be established
Call service group, then wireless backup gateway determines that wired internet closes failure and do not restore, then wireless backup gateway continues to take over different systems
Interconnection between the communication system of formula.
203, wireless backup gateway determines whether wired internet pass overloads, if so, thening follow the steps 204, otherwise executes
Step 205 ends processing；
In the specific implementation, setting load threshold can be closed for wired internet in advance, when the load that wired internet closes is super
It when overload threshold value, that is, triggers to wireless backup gateway and sends alarm signal, wireless backup gateway receives alarm signal
Determine that wired internet closes overload.
204, wireless backup gateway is responsible for the interconnection between the communication system of overburden portion.
When determining that wired internet closes overload, wireless backup gateway can be responsible for mutual between the communication system of overburden portion
Connection, to further increase the reliability of private network communication.
It is to determine wired interconnection after wired internet closes fault recovery in the present embodiment in addition, it is necessary to illustrate
Whether gateway overloads, and in the concrete realization, can also determine that wired internet pass is when wired internet is closed and do not broken down
No overload, is not specifically limited herein, can specifically adjust process flow according to the actual situation.
There are two communication gates for tool in the present embodiment, and a wired internet closes and a wireless backup gateway, positive reason
Under condition, the interconnection being responsible between the communication system of different systems is closed by wired internet, after wired internet, which closes, to break down,
By the interconnection between the communication system of wireless backup gateway adapter tube different systems；And after wired internet closes fault recovery, still
The interconnection being responsible between the communication system of different systems is closed by wired internet；When wired internet, which closes, to be overloaded, wireless backup net
The interconnection for sharing overburden portion can be closed for wired internet by closing, to be improved specially using the back mechanism of wireless backup gateway
The reliability of Network Communication.
Link failure processing system provided by the invention is described below, referring to Fig. 3, the link failure of the present embodiment is handled
System 300 includes wired Interworking GateWay 301 and wireless backup gateway 302.In the case where wired internet closes 301 normal situations, by
Wired internet closes the interconnection in 301 responsible private network communication systems between the communication system of different systems, such as in Fig. 3, positive reason
Under condition, wired internet closes the interconnection between 301 responsible A systems and B system；When wired internet, which closes 301, to break down, by
Interconnection in 302 adapter tube private network communication system of wireless backup gateway between the communication system of different systems.In private network communication system
The communication system of different systems such as railway system's private network, public security system private network, Flood-prevention Private Network, military private network etc..
In a specific embodiment, wireless backup gateway can be as shown in Figure 4, comprising:
Determination unit 401, for determining whether wired internet pass breaks down；
Processing unit 402, it is mutual between the communication system of adapter tube different systems for when wired internet pass is broken down
Connection.
In addition, determination unit 401 can be also used for, determine whether wired internet pass overloads；
Processing unit 402 can be also used for, and when wired internet, which closes, to be overloaded, be responsible between the communication system of overburden portion
Interconnection.
For the wireless backup gateway for further understanding the present embodiment, the present embodiment is described with a specific embodiment below
The interactive process between each unit in wireless backup gateway 400, specific as follows:
Under normal conditions, the interconnection being responsible between the communication system of different systems is closed by wired internet, determination unit 401 can
Whether broken down with real-time monitoring wired internet pass.Specifically, it is determined that unit 401 can by monitor heartbeat determine it is wired
Whether Interworking GateWay breaks down, i.e., wireless backup gateway can close with wired internet and share a set of heartbeat mechanism, wireless backup
Gateway can monitor whether heartbeat is normal, and when monitoring heartbeat exception, determination unit 401 can determine that wired internet closes and occur
Failure.
In addition, determination unit 401 can also determine whether wired internet pass breaks down by faulting instruction, i.e., ought have
When line Interworking GateWay breaks down, wired internet, which is closed, can send faulting instruction to wireless backup gateway, when wireless backup net
When pass receives faulting instruction, determination unit 401 can determine that wired internet pass has occurred failure, wireless backup gateway with have
It can be instructed by agreement (Internet Protocol, the IP) transmission interconnected between network between line Interworking GateWay.
When wired internet pass is broken down, to avoid communication disruption, processing unit 402 can adapter tube wired internet
The work of pass, the interconnection being responsible between the communication system of different systems, such as receive the signaling that different communication systems is sent and go forward side by side
Row processing, to guarantee that group-calling service is normally carried out.Processing unit 402 accesses the communication system of the different systems by ride.
After the work that 402 adapter tube wired internet of processing unit closes, determination unit 401 can monitor wired internet
Close whether failure is restored.Specifically, it is determined that the signaling that unit 401 can be sent according to the communication system that wireless backup gateway receives
To determine.For example, during the mobile terminal in the communication system of different systems is established group and exhaled, if wireless backup gateway connects
What is received is that the group that any one communication system is sent exhales and is incorporated to signaling, illustrate that wired internet closes to be successfully established at this time and exhales
It is group, it is determined that unit 401 determines that wired internet closes failure and restored, then processing unit 402 can be by the logical of different systems
Interconnection between letter system transfers to wired internet to close adapter tube；And what is received when wireless backup gateway is any one communication system
When the group of transmission exhales online signaling, illustrate that wired internet closes or can not establish call service group, it is determined that the determination of unit 401 is wired
Interworking GateWay failure is not restored, then processing unit 402 continues the interconnection between the communication system of adapter tube different systems.
In addition, in the concrete realization, determination unit 401 can also determine whether wired internet pass overloads.Such as it can be pre-
Setting load threshold first is closed for wired internet, when the load that wired internet closes is more than load threshold, that is, is triggered to wireless
Backup gateway sends alarm signal, and determination unit 401 can determine wired interconnection when wireless backup gateway receives alarm signal
Gateway overload.
When determination unit 401 determines that wired internet closes overload, processing unit 402 can be responsible for the communication of overburden portion
Interconnection between system, to further increase the reliability of communication.
There are two communication gates for tool in the present embodiment, and a wired internet closes and a wireless backup gateway, positive reason
Under condition, the interconnection being responsible between the communication system of different systems is closed by wired internet, when determination unit determines that wired internet closes
After failure, by the interconnection between the communication system of processing unit adapter tube different systems；And when determination unit determine it is wired mutually
After fault recovery is closed in networking, the interconnection between the communication system of different systems is given back wired internet pass and born by processing unit
Duty；When determination unit determines that wired internet closes overload, processing unit can share overburden portion for wired internet pass
Interconnection, to improve the reliability of private network communication using the back mechanism of wireless backup gateway.
Fig. 5 is another embodiment schematic diagram of wireless backup gateway provided by the invention.Referring to Fig. 5, wireless backup net
Closing 500 can be used for implementing link failure processing method provided by the above embodiment, and wireless backup gateway 500 includes: processor
501 and memory 502, in which:
Memory 502 can be connect with processor 501 by bus.Certainly, wireless backup gateway 500 can also include day
The universal components such as line, baseband process component, middle radio frequency processing part, input/output unit, the present embodiment do not do any limit herein
System.
For memory 502 for storing executable program code, which includes computer operation instruction.Memory
502 may include high speed RAM memory, it is also possible to and it further include nonvolatile memory (non-volatile memory), such as
At least one magnetic disk storage.
Processor 501 can be central processing unit (Central Processing Unit, CPU) or specific
Integrated circuit (Application Specific Integrated Circuit, ASIC), or be arranged to implement this hair
One or more integrated circuits of bright embodiment.
Specifically in the present embodiment, processor 501 executes as follows for calling the program instruction stored in memory 502
Operation:
Determine whether wired internet pass breaks down；
If the wired internet pass is broken down, in adapter tube private network communication system between the communication system of different systems
Interconnection.
Preferably, the wireless backup gateway and the wired internet, which close, shares heartbeat mechanism；
Processor 501 determines whether wired internet pass breaks down
If the wireless backup gateway monitors heartbeat exception, processor 501 determines that the wired internet closes and occurs
Failure.
Preferably, processor 501 is also used to, and determines whether the wired internet pass overloads；If the wired internet
Overload is closed, then the interconnection being responsible between the communication system of overburden portion.
Preferably, the protocol IP between the wireless backup gateway and wired internet pass by being interconnected between network
Interconnection, the wireless backup gateway access the communication system of the different systems by ride.
The wireless backup gateway of the present embodiment can be also used for implementing the other content in preceding method embodiment, herein not
It repeats again, specifically sees preceding method embodiment.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relationship between module indicate between them have communication connection, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can understand
And implement.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to by specialized hardware include specific integrated circuit, specially
It is realized with CPU, private memory, special components and parts etc..Under normal circumstances, all functions of being completed by computer program are ok
It is easily realized with corresponding hardware, moreover, being used to realize that the specific hardware structure of same function is also possible to a variety of more
Sample, such as analog circuit, digital circuit or special circuit etc..But software program is real in situations more for the purpose of the present invention
It is now more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words makes the prior art
The part of contribution can be embodied in the form of software products, which is stored in the storage medium that can be read
In, such as the floppy disk of computer, USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic or disk etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
Be provided for the embodiments of the invention above a kind of link failure processing method, system and wireless backup gateway into
Gone and be discussed in detail, for those of ordinary skill in the art, thought according to an embodiment of the present invention, in specific embodiment and
There will be changes in application range, and therefore, the contents of this specification are not to be construed as limiting the invention.
Claims (11)
1. a kind of link failure processing method characterized by comprising
Wireless backup gateway determines whether wired internet pass breaks down；
If the wired internet pass is broken down, different systems in the wireless backup gateway adapter tube private network communication system
Interconnection between communication system；
Whether the failure that the wireless backup gateway determines that the wired internet closes is restored；
If restoring, the interconnection between the communication system of the different systems is transferred to wired interconnection by the wireless backup gateway
Gateway adapter tube；
If not restoring, the wireless backup gateway continues to take over the interconnection between the communication system of the different systems；
The wireless backup gateway determines whether the failure that the wired internet closes is restored to include:
During mobile terminal in the communication system of the different systems is established group and exhaled, if the wireless backup gateway connects
It receives group and exhales and be incorporated to signaling, then the wireless backup gateway determines the fault recovery that the wired internet closes；
If the wireless backup gateway receives group and exhales online signaling, the wireless backup gateway determines the wired internet
Failure is closed not restore.
2. link failure processing method as described in claim 1, which is characterized in that the wireless backup gateway with it is described wired
Interworking GateWay shares heartbeat mechanism；
The wireless backup gateway determines whether wired internet pass breaks down
If the wireless backup gateway monitors heartbeat exception, the wireless backup gateway determines that the wired internet closes hair
Raw failure.
3. link failure processing method as described in claim 1, which is characterized in that the method also includes:
The wireless backup gateway determines whether the wired internet pass overloads；
If the wired internet closes overload, the wireless backup gateway is responsible for the interconnection between the communication system of overburden portion.
4. the link failure processing method as described in claims 1 to 3 any one, which is characterized in that the wireless backup net
It closes and is interconnected between wired internet pass by the protocol IP interconnected between network, the wireless backup gateway passes through ride
Access the communication system of the different systems.
5. a kind of link failure processing system, which is characterized in that the link failure processing system include wired Interworking GateWay with
Wireless backup gateway, the wireless backup gateway include:
Determination unit, for determining whether wired internet pass breaks down；
Processing unit, for when wired internet pass is broken down, different systems to be logical in adapter tube private network communication system
Interconnection between letter system；
After interconnection in the processing unit adapter tube private network communication system between the communication system of different systems, the determination unit
It is also used to:
Whether the failure for determining that the wired internet closes is restored；
If restoring, the wired internet is transferred to close adapter tube the interconnection between the communication system of the different systems；
If not restoring, continue to take over the interconnection between the communication system of the different systems；
Whether the failure that the determination unit determines that the wired internet closes is restored to specifically include:
During mobile terminal in the communication system of the different systems is established group and exhaled, letter is incorporated to if receiving group and exhaling
It enables, it is determined that the fault recovery that the wired internet closes；
If receiving group exhales online signaling, it is determined that the wired internet closes failure and do not restore.
6. link failure processing system as claimed in claim 5, which is characterized in that the wireless backup gateway with it is described wired
Interworking GateWay shares heartbeat mechanism；
The determination unit is specifically used for, and when the wireless backup gateway monitors heartbeat exception, determines wired interconnection
Gateway failure.
7. such as link failure processing system described in claim 5 or 6, which is characterized in that the wireless backup gateway with it is described
Wired internet is interconnected between closing by the protocol IP interconnected between network, and the wireless backup gateway passes through described in ride access
The communication system of different systems.
8. a kind of wireless backup gateway, which is characterized in that including processor and memory, in which:
The memory is for storing batch processing instruction；
The processor is used to call the program instruction stored in the memory, performs the following operations:
Determine whether wired internet pass breaks down；
If the wired internet pass is broken down, mutual between the communication system of different systems in adapter tube private network communication system
Connection；
Whether the failure for determining that the wired internet closes is restored；
If restoring, the wired internet is transferred to close adapter tube the interconnection between the communication system of the different systems；
If not restoring, continue to take over the interconnection between the communication system of the different systems；
Wherein it is determined that the failure that the wired internet closes whether restore include:
During mobile terminal in the communication system of the different systems is established group and exhaled, letter is incorporated to if receiving group and exhaling
It enables, it is determined that the fault recovery that the wired internet closes；
If receiving group exhales online signaling, it is determined that the wired internet closes failure and do not restore.
9. wireless backup gateway as claimed in claim 8, which is characterized in that the wireless backup gateway and wired interconnection
Gateway shares heartbeat mechanism；
The processor determines whether wired internet pass breaks down
If the wireless backup gateway monitors heartbeat exception, the processor determines that the wired internet closes and event occurs
Barrier.
10. wireless backup gateway as claimed in claim 8, which is characterized in that
The processor is also used to, and determines whether the wired internet pass overloads；If the wired internet closes overload, bear
Blame the interconnection between the communication system of overburden portion.
11. the wireless backup gateway as described in claim 8 to 10 any one, which is characterized in that the wireless backup gateway
It is interconnected between wired internet pass by the protocol IP interconnected between network, the wireless backup gateway is connect by ride
Enter the communication system of the different systems.
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| CN201410734949.4A CN105721191B (en) | 2014-12-04 | 2014-12-04 | A kind of link failure processing method, system and wireless backup gateway |
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| EP3547757A1 (en) | 2018-03-30 | 2019-10-02 | InterDigital CE Patent Holdings | Wireless access point and method for providing backup network connections |
| CN109525492B (en) * | 2018-10-26 | 2021-06-01 | 重庆金美通信有限责任公司 | IP data backup transmission method independent of routing protocol or algorithm |
| CN111371584A (en) * | 2018-12-26 | 2020-07-03 | 中兴通讯股份有限公司 | Equipment fault processing method, management equipment and home gateway equipment |
| CN112118119A (en) * | 2019-06-19 | 2020-12-22 | 北京馨瑞源科技有限公司 | Lottery special network connection method, router and lottery management system |
| CN114978989B (en) * | 2022-05-25 | 2023-04-25 | 中国科学院空间应用工程与技术中心 | Space application load control method |
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