CN110213240A - A kind of electric power dispatching system and its transregional service calling method of routing self-adaption - Google Patents
A kind of electric power dispatching system and its transregional service calling method of routing self-adaption Download PDFInfo
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- CN110213240A CN110213240A CN201910383229.0A CN201910383229A CN110213240A CN 110213240 A CN110213240 A CN 110213240A CN 201910383229 A CN201910383229 A CN 201910383229A CN 110213240 A CN110213240 A CN 110213240A
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- 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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- 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
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
Abstract
The invention discloses the electric power dispatching system of routing self-adaption and its transregional service calling methods, a non-security production district and multiple safety in production areas is supported to carry out across just, the service call of reverse isolation device, client sends cross-safety zone agency for solicited message by electric power system dispatching service bus, the routing function acted on behalf of by cross-safety zone, safety in production area is transmitted to after request message to be sent to the gateway machine connecting with target area after package request information, corresponding server-side is sent to after the gateway machine analysis request message in safety in production area, non-security production district is sent by positive isolating device by response after server-side processing, corresponding client is transmitted to by specific transregional invocation flags again, service calling method of the invention is flexible, for one-to-many or multi-to-multi the service tune across power system security area With client does not need specified path and isolating device, it is only necessary to which the synchronous service that request and response across isolation can be completed by transregional service bus interface is called.
Description
Technical field
The invention belongs to power system information technical fields, and in particular to a kind of routing self-adaption electric power dispatching system and
Its transregional service calling method.
Background technique
With the continuous development of smart grid, power grid regulation system function is continuously increased, and leads to System Network Architecture increasingly
It is complicated.The network architecture of smart grid Dispatching Control System must satisfy that " security partitioning, lateral isolation, longitudinal is recognized at network-specific
The requirement of card ".System monitoring module is deployed in non-security production district, deployment isolation dress between the non-security production district in area of keeping the safety in production
It sets, is divided into positive isolation and reverse isolation.With the extension of the enhancing of application function relevance and system function between safety zone,
The function that security interval carries out one-way synchronization can no longer meet the requirement of monitoring system application function extension.Need at one or
The multiple non-security production districts of person, while multiple safety in production areas being called to service.Client how is allowed not need to be concerned about specific purposes
The configuration detail of zone isolation device only just realizes the one-to-many service tune across forward and reverse isolation by unified interface
With the problem of realizing the transparent service calling of cross-safety zone, be urgent need to resolve.
Therefore, it is necessary to a kind of new technical solutions to solve the above technical problems.
Summary of the invention
To solve the deficiencies in the prior art, the present invention proposes the electric power dispatching system and its transregional clothes of a kind of routing self-adaption
Business call method.
In order to achieve the above objectives, the present invention adopts the following technical scheme that: a kind of power scheduling system of routing self-adaption
The transregional service calling method of system, the electric power dispatching system include safety in production area and non-security production district, and the safety is raw
Producing region includes at least one server-side, cross-safety zone agency and safety zone gateway machine, and the non-security production district includes at least one
A client, across non-security district agency and non-security district gateway machine, the safety in production area and non-security production district pass through forward direction
Isolating device and reverse isolation device are physically separated, which comprises
Step S1: the client sends solicited message acting on behalf of across non-security district, and across the non-security district agency will
Solicited message encapsulates to form request message, is sent to corresponding non-security district gateway machine, and non-security district gateway machine is asked what is received
It asks message to be converted to language-specific formatted file, is placed on the transmission catalogue of reverse isolation, be ultimately sent to safety in production area；
Step S2: the safety zone gateway machine receives and reads language-specific formatted file, and reverse resolution is converted to readable
Request message is taken, request message will can be read and be transferred to cross-safety zone agency；Request message can be read in cross-safety zone Agent Analysis
Send it to corresponding server-side；
Step S3: the server-side processing is received to can be read request message；The server-side generates response message, passes through
The connection relationship established with cross-safety zone agency sends out response message by corresponding cross-safety zone agency, safety zone gateway machine
It is sent to positive isolating device, response message is sent to corresponding non-security district gateway machine by the forward direction isolating device；It is described non-
Response message is sent to across non-security district agency by safety zone gateway machine, and response message is transmitted to by across the non-security district agency
Corresponding client, so that the synchronous service for completing request and response across isolation is called.
In a specific embodiment, in the step S1, the request message include request instruction and encapsulation across
The corresponding relationship of area's invocation flags, requesting client link and timestamp.
In a specific embodiment, in the step S2, across the non-security district agency receives non-security district gateway
The registration of machine forms the routing table of non-security district, and across the non-security district agency is after receiving solicited message, according to registration
The selection of routing table progress non-security district gateway machine.
In a specific embodiment, it is described safety in production area, non-security production district gateway machine can be to across non-peace
Whole district agency carries out dynamic registration and unregistration.
In a specific embodiment, in the step S2, request message is can be read in the cross-safety zone Agent Analysis
Send it to cross-safety zone described in the method packet of corresponding server-side agency by transregional invocation flags, requesting client link and
The server-side that request instruction is sent to connection is formed after the corresponding relationship removing of timestamp.
In a specific embodiment, in the step S3, response message is transmitted to by across the non-security district agency
The method of corresponding client includes across the non-security district agency by invocation flags transregional in response message and requesting client
Response instruction is formed after the removing of the corresponding relationship of link and timestamp issues corresponding client.
In a specific embodiment, multiple transregional invocation flags of the client can be established with same server-side
Connection supports cross-safety zone Multi-thread synchronization to call.
In a specific embodiment, the positive isolating device is only capable of producing from safety in production area to non-security production district
Send a byte.
In a specific embodiment, the language-specific formatted file includes E language format file.
Correspondingly, the invention also provides a kind of electric power dispatching system of routing self-adaption, the electric power dispatching system packets
Safety in production area and non-security production district are included, the safety in production area includes at least one server-side, cross-safety zone agency and peace
Whole district's gateway machine, the non-security production district include at least one client, across non-security district agency and non-security district gateway machine,
The safety in production area and non-security production district are physically separated by positive isolating device and reverse isolation device, the visitor
Family end sends solicited message acting on behalf of across non-security district, and across the non-security district agency encapsulates solicited message to form request report
Text, is sent to corresponding non-security district gateway machine, and the request message received is converted to language-specific lattice by non-security district gateway machine
Formula file is placed on the transmission catalogue of reverse isolation, is ultimately sent to safety in production area；
The safety zone gateway machine receives and reads language-specific formatted file, and reverse resolution, which is converted to, can be read request report
Text will can be read request message and be transferred to cross-safety zone agency；Cross-safety zone Agent Analysis can be read request message and be sent to
To corresponding server-side；
The server-side processing is received to can be read request message；The server-side generates response message, by with across peace
The connection relationship that whole district agency establishes, response message is acted on behalf of by corresponding cross-safety zone, safety zone gateway machine is sent to just
To isolating device, response message is sent to corresponding non-security district gateway machine by the forward direction isolating device；The non-security district
Response message is sent to across non-security district agency by gateway machine, and response message is transmitted to corresponding by across the non-security district agency
Client, so that the synchronous service for completing request and response across isolation is called.
The electric power dispatching system of routing self-adaption proposed by the present invention and its transregional service calling method the utility model has the advantages that this
It invents and provides a kind of general service tune for one-to-many, multi-to-multi electric power scheduling automatization system cross-safety zone service call
Support is provided and calls multiple safety in production areas to service in non-security production district, realizes shielding bottom by unified interface with method
The synchronous service call mechanism for sending request and returning response of layer transmission details, meets new functional requirement.
Detailed description of the invention
Fig. 1 is the electric power dispatching system network architecture diagram of routing self-adaption of the invention.
Fig. 2 is that the gateway machine that cross-safety zone of the invention is acted on behalf of registers schematic diagram.
Fig. 3 is the schematic diagram of service invocation request and response of the invention by reverse isolation and positive isolation.
Fig. 4 is the corresponding relationship of transregional invocation flags and client link of the invention.
Fig. 5 is the corresponding relationship of cross-safety zone label and server-side link of the invention.
Specific embodiment
The preferred embodiment of apparatus of the present invention and method is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of electric power dispatching system network architecture diagram of routing self-adaption, which includes safety in production area
(the safe area I) and non-security production district (the safe area III), safety in production area include three regions, the a-quadrant area I as shown in figure 1, B
The region area I, the region the C area I, non-security production district include the region the D area III as shown in Figure 1, and safety in production area includes at least one
Server-side, cross-safety zone agency and safety zone gateway machine, as shown in figure 1, the a-quadrant area I, the area B area I, the region the C area I respectively include
Transregional agency, D gateway machine and server-side, non-security production district include at least one client, across non-security district agency and non-peace
Whole district's gateway machine, the area the region D III includes client, transregional agency and A gateway machine, B gateway machine, C gateway machine, safety as shown in figure 1
Production district and non-security production district are physically separated by positive isolating device and reverse isolation device, meet electric system two
The requirement of " lateral isolation " in secondary security protection framework.It will be appreciated that client is likely to be work station, it is also possible to be service
Device, transregional proxy server (cross-safety zone agency and across non-security district agency) and gateway machine are to separate in logic, in use across
Area's proxy server and gateway machine can be deployed on same server, can also be disposed on a different server.
Wherein, dynamic registration and unregistration is realized by the way of registration between gateway machine and across non-security district agency, such as scheme
Shown in 2, schematic diagram is registered for the gateway machine of the invention across non-security district agency, across non-security district agent maintenance one transregional
The dynamic table of gateway has recorded targeted security production area (a-quadrant etc.) and corresponding gateway program host (hostA etc.) and net
Close the information such as program port (port etc.) and registion time, validity.And support the same of multiple gateway machines of the same area
When register and use, can dynamically realize isolation join domain increase and deletion.
During specifically calling transregional service bus interface, if it is the calling in one's respective area, then it is transmitted directly to this
The service in region；If it is the service call of other safety zones, then cross-safety zone agency is sent to.Across non-security district agency receives
The registration of different non-security district gateway machines, forms the routing table of different non-security districts, and across non-security district agency is receiving
After solicited message, the selection of non-security district gateway machine is carried out according to the routing table of registration, is acted on behalf of in generation system across non-security district
Unique transregional invocation flags, in the contents such as the transregional invocation flags of the outer package of request message and timestamp, and record transregional tune
With the corresponding relationship of label and requesting client link socket.Final encapsulation at be placed into after E language format file reversely every
Under folder content from device configuration.
Further, the gateway machine of different zones dynamically can be registered and be infused to across non-security district service broker
It sells, increases and decreases some gateway program, do not have to restarting cross-safety zone agency, also do not need cross-safety zone agency and add again
Carry configuration message.
The specific call method of the electric power dispatching system includes step S1: client is sent acting on behalf of across non-security district
Solicited message, across non-security district agency encapsulate solicited message to form request message, are sent to corresponding non-security district gateway machine,
The request message received is converted to language-specific formatted file by non-security district gateway machine, specifically, is converted to E language format text
Part is placed on the transmission catalogue of reverse isolation, is ultimately sent to safety in production area, i.e. request message is transferred to peace by reverse isolation
The reception catalogue of full production district (the safe area I).
Wherein, the request message of encapsulation include the transregional invocation flags of request instruction and encapsulation, requesting client link and
The corresponding relationship of timestamp etc..Request message can be read in across non-security district Agent Analysis, and the transregional of request message can be read in record
The corresponding relationship of invocation flags, requesting client link and timestamp etc., and established with the host of corresponding server-side and port
Connection is sent request instruction is formed after the removing such as corresponding relationship of transregional invocation flags and requesting client link and timestamp
To the server-side of connection.
Specifically, as shown in figure 3, transregional agency (cross-safety zone agency and across non-security district agency) and gateway machine (gateway
Program) what is established is tcp connection, the solicited message of the client of non-security district issues transregional agency (across non-peace by tcp link
Whole district agency), transregional agency (across non-security district agency) by transregional invocation flags callbackId, client link socket with
The corresponding relationship of timestamp etc. is recorded in table as shown in Figure 4, by Information encapsulations such as callbackId, socket, timestamps
Corresponding gateway machine is sent to by tcp connection afterwards, the request message received is converted to the E language that can be read by corresponding gateway machine
It says formatted file, is placed on the transmission catalogue of reverse isolation.
Step S2: the gateway machine (gateway program) in the area that keeps the safety in production reads language-specific formatted file (E language format text
Part), reverse resolution, which is converted to, can be read request message, then be acted on behalf of again by the cross-safety zone that tcp is sent to safety in production area；
Cross-safety zone Agent Analysis can be read request message and send it to corresponding server-side.
That is, the transregional invocation flags and request of request message can be read in the cross-safety zone proxy records in the safe area I
The corresponding relationship of client link and timestamp, and according to the destination service information searching of the request in request message to request
Service host and port, so that connection is established with the host of corresponding server-side and port, by transregional invocation flags and request visitor
The server-side that request instruction is sent to connection is formed after the removing of the corresponding relationship of family end link and timestamp.Namely will
The request instruction of client is only sent to server-side by way of tcp, and recorded across peace by the removing of the contents such as callbackId
The whole district marks the corresponding relationship (as shown in Figure 5) of callbackId, server-side socket and gateway source gate etc..Specifically,
Above-mentioned corresponding relationship supports respectively corresponding for multiple transregional invocation flags and uniform machinery and the multiple connections in port, this mechanism guarantees
Support cross-safety zone Multi-thread synchronization calls.The link socket that response is established before is sent to after server-side processing
The gateway machine in the safe area I.
Step S3: server-side processing is received to can be read request message；Server-side generate response message, by with across safety
Response message is sent to corresponding cross-safety zone agency, safety zone gateway machine, positive isolation by the connection relationship that area agency establishes
Response message is sent to corresponding non-security district gateway machine by device, positive isolating device；Non-security district gateway machine reports response
Text is sent to across non-security district agency, is then forwarded to corresponding client, so that it is synchronous with response to complete the request across isolation
Service call.
Specifically, after server-side processing request instruction, response instruction is generated, by response instruction by acting on behalf of with cross-safety zone
The link socket of foundation returns to cross-safety zone agency, and cross-safety zone agency finds source according to server-side link socket
Gateway machine is responding the Information encapsulations such as transregional invocation flags callbackId in conjunction with the corresponding relationship with transregional invocation flags
Instruction is external to form response message, sends jointly to connection safety zone gateway machine, and safety zone gateway machine passes through positive isolating device
Virtual link response message is sent to corresponding non-security district gateway machine, non-security district gateway machine again forwards response message
It is acted on behalf of to across non-security district, across non-security district agency finds corresponding client chain according to transregional invocation flags callbackId
Road socket, wherein the socket established with client can be found from from transregional invocation flags mapping table and connect, will be responded
It is formed and is rung after the content removing of the encapsulation such as corresponding relationship of transregional invocation flags and requesting client link and timestamp in message
(response information on services) should be instructed to issue corresponding client, the overall process of this complete service call.
Wherein, positive isolating device, which is only capable of producing from safety in production area to non-security production district, send a byte, can not establish
TCP connection.Reverse isolation device is only capable of that request message is transferred to safety in production area, Wu Fajian by language-specific formatted file
Vertical link connection.
The above-mentioned call method that the embodiment of the present invention proposes is supported to call simultaneously in one or more safe area III
The different services in multiple and different safe areas I.The client of service call does not need specified specifically to connect with targeted security area
Isolating device, it is only necessary to by the transregional service bus interface of routing self-adaption, the safe area III any server or
It is called on person's work station, the synchronous service that request and response across isolation can be completed is called.
The present invention proposes a kind of electric power dispatching system of routing self-adaption using above-mentioned dispatching method, such as Fig. 1 simultaneously
Shown, which includes safety in production area and non-security production district, safety in production area include at least one server-side,
Cross-safety zone agency and safety zone gateway machine, non-security production district include at least one client, across non-security district agency and non-
Safety zone gateway machine, area and the non-security production district of keeping the safety in production pass through positive isolating device and reverse isolation device carry out physics every
Solicited message is sent acting on behalf of across non-security district from, wherein client, and across non-security district agency encapsulates solicited message to be formed
Request message, is sent to corresponding non-security district gateway machine, and non-security district gateway machine is converted to the request message received specific
Language format file is placed on the transmission catalogue of reverse isolation, is ultimately sent to safety in production area；
Safety zone gateway machine reads language-specific formatted file, and reverse resolution, which is converted to, can be read request message, will be readable
Request message is taken to be transferred to cross-safety zone agency；Cross-safety zone Agent Analysis can be read request message and send it to corresponding clothes
Business end；
Server-side processing is received to can be read request message；Server-side generates response message, by acting on behalf of with cross-safety zone
Response message is sent to corresponding cross-safety zone agency, safety zone gateway machine, positive isolating device by the connection relationship of foundation,
Response message is sent to corresponding non-security district gateway machine by positive isolating device；Non-security district gateway machine sends response message
It is acted on behalf of to across non-security district, is then forwarded to corresponding client, to complete the synchronous service tune of request and response across isolation
With.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for examples detailed above, all skills obtained by the way of equivalent substitution or equivalent transformation
Art scheme, falls within the scope of protection of the present invention.
Claims (9)
1. a kind of transregional service calling method of the electric power dispatching system of routing self-adaption, which is characterized in that the power scheduling
System includes safety in production area and non-security production district, the safety in production area include at least one server-side, cross-safety zone generation
Reason and safety zone gateway machine, the non-security production district includes at least one client, across non-security district agency and non-security district
Gateway machine, the safety in production area and non-security production district pass through positive isolating device and reverse isolation device carry out physics every
From client does not need the specified isolating device specifically connected with targeted security area, it is only necessary to pass through transregional service bus interface
The synchronous service for completing one-to-many or multi-to-multi the request across isolation and response is called；The described method includes:
Step S1: the client sends solicited message, the non-security district generation on non-security district agency by service bus
Reason encapsulates solicited message to form request message, is sent to corresponding non-security district gateway machine, non-security district gateway machine will receive
Request message be converted to language-specific formatted file, be placed on the transmission catalogue of reverse isolation, be ultimately sent to keep the safety in production
Area；
Step S2: the safety zone gateway machine receives and reads language-specific formatted file, and reverse resolution is converted to can be read and be asked
Message is sought, request message will can be read and be transferred to cross-safety zone agency；Cross-safety zone Agent Analysis can be read request message by its
It is sent to corresponding server-side；
Step S3: the server-side processing is received to can be read request message；The server-side generates response message, by with across
The connection relationship that safety zone agency establishes, response message is acted on behalf of by corresponding cross-safety zone, safety zone gateway machine is sent to
Response message is sent to corresponding non-security district gateway machine by positive isolating device, the forward direction isolating device；It is described non-security
Response message is sent to non-security district agency by area's gateway machine, and response message is transmitted to corresponding visitor by the non-security district agency
Family end, so that the synchronous service for completing request and response across isolation is called.
2. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 1, feature exist
In, in the step S1, the request message include the transregional invocation flags of request instruction and encapsulation, requesting client link and
The corresponding relationship of timestamp completes the request message and received sound that send by link and the corresponding relationship of transregional invocation flags
Answer the corresponding relationship of message.
3. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 1, feature exist
In in the step S2, the non-security district agency receives the registration of non-security district gateway machine, forms the routing of non-security district
Table, the non-security district agency carry out the choosing of non-security district gateway machine according to the routing table of registration after receiving solicited message
It selects.
4. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 1, feature exist
Gateway machine in, the safety in production area, non-security production district can be acted on behalf of to non-security district carries out dynamic registration and unregistration.
5. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 1, feature exist
In in the step S2, the side that request message sends it to corresponding server-side is can be read in the cross-safety zone Agent Analysis
Cross-safety zone described in method packet is formed after acting on behalf of the corresponding relationship removing by transregional invocation flags, requesting client link and timestamp
Request instruction is sent to the server-side of connection.
6. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 1, feature exist
In in the step S3, the method that response message is transmitted to corresponding client is included described non-by the non-security district agency
Shape after safety zone agency removes the corresponding relationship of invocation flags transregional in response message and requesting client link and timestamp
Corresponding client is issued at response instruction.
7. the transregional service calling method of the electric power dispatching system of routing self-adaption according to claim 2, feature exist
In multiple transregional invocation flags of the client can establish connection with same server-side, support cross-safety zone multithreading same
Step is used.
8. the called side of the transregional service calling system of automation of routing self-adaption according to claim 1-7
Method, which is characterized in that the language-specific formatted file includes E language format file.
9. a kind of electric power dispatching system of routing self-adaption, which is characterized in that the electric power dispatching system includes safety in production area
And non-security production district, the safety in production area includes at least one server-side, safety zone is acted on behalf of and safety zone gateway machine, described
Non-security production district include at least one client, non-security district agency and non-security district gateway machine, the safety in production area with
Non-security production district is physically separated by positive isolating device and reverse isolation device, and the client is across non-security district
Solicited message is sent on agency, solicited message is encapsulated to form request message, is sent to corresponding by across the non-security district agency
The request message received is converted to language-specific formatted file by non-security district gateway machine, non-security district gateway machine, is placed on anti-
To the transmission catalogue of isolation, it is ultimately sent to safety in production area；
The safety zone gateway machine receives and reads language-specific formatted file, and reverse resolution, which is converted to, can be read request message,
Request message will can be read and be transferred to cross-safety zone agency；Cross-safety zone Agent Analysis can be read request message and send it to pair
The server-side answered；
The server-side processing is received to can be read request message；The server-side generates response message, by with cross-safety zone
Act on behalf of establish connection relationship, response message is acted on behalf of by corresponding cross-safety zone, safety zone gateway machine be sent to forward direction every
From device, response message is sent to corresponding non-security district gateway machine by the forward direction isolating device；The non-security district gateway
Response message is sent to across non-security district agency by machine, and response message is transmitted to corresponding client by across the non-security district agency
End, so that the synchronous service for completing request and response across isolation is called.
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| CN110636127A (en) * | 2019-09-20 | 2019-12-31 | 大唐融合通信股份有限公司 | Communication processing method and system between information data |
| CN111614618A (en) * | 2020-04-17 | 2020-09-01 | 国网上海能源互联网研究院有限公司 | Cross-region data transmission method and system for physical isolation device |
| CN111935079A (en) * | 2020-06-24 | 2020-11-13 | 国网电力科学研究院有限公司 | Method, device and system for calling cross-regional operation service of power distribution artificial intelligence engine |
| CN112286915A (en) * | 2020-10-13 | 2021-01-29 | 国家电网有限公司 | Data interaction method for power communication dispatching command platform and third-party platform |
| CN112437095A (en) * | 2020-12-05 | 2021-03-02 | 江苏秉信科技有限公司 | Client-server communication interaction method across security zones |
| CN113079203A (en) * | 2021-03-22 | 2021-07-06 | 中水北方勘测设计研究有限责任公司 | System and method for expanding, deploying and calling service across security zones |
| CN113179242A (en) * | 2021-03-02 | 2021-07-27 | 南方电网深圳数字电网研究院有限公司 | Partition video transmission method, electronic device and storage medium |
| CN113612764A (en) * | 2021-07-30 | 2021-11-05 | 广西电网有限责任公司 | Power grid monitoring system data trans-regional reliable transmission method based on reply confirmation mechanism |
| CN114629953A (en) * | 2020-12-14 | 2022-06-14 | 电科云(北京)科技有限公司 | Service cross-domain calling method and system based on proxy |
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