CN204272157U - Switched system - Google Patents
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- CN204272157U CN204272157U CN201420854532.7U CN201420854532U CN204272157U CN 204272157 U CN204272157 U CN 204272157U CN 201420854532 U CN201420854532 U CN 201420854532U CN 204272157 U CN204272157 U CN 204272157U
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Abstract
The utility model provides a kind of switched system, comprising: at least one client; For at least one client provides the application server of service; The standby server of service is provided to described client, application server and standby server physical connection when application server stops providing service to client; When application server stopping provides service for client, send to application server and switch the handover command messages that current config option is the second config option, send to standby server and switch the switching device shifter that current config option is the notification message of the first config option; Described switching device shifter and described application server and described standby server mutual.The switched system that the utility model provides, system equipment reduces, and complexity reduces, and handoff procedure is efficient, safety, improves operating efficiency.
Description
Technical field
The utility model relates to distributed system field, refers to a kind of switched system being applied to standby server especially.
Background technology
Safe examination system comprises the rays safety detection apparatus being arranged on security check work station, rays safety detection apparatus is used for scanning human body or the article that carry, and scanning result is sent to the process of safety check management system, thus the risk that strick precaution contraband is brought, safety check management system comprises safety check distribution management system or safety check centralized management system, under normal mode, generally there is in safety check distribution management system the server of two cover redundancies, core switch and part non-universal client.One is enclosed within applied environment and uses, and another set of as environment for subsequent use, need for environment for subsequent use and applied environment are isolated.When applied environment server failure, by changing the physical link of relative client, by client's side link to environment server system for subsequent use.
Fig. 1 is changing method and the distributed system of application server and standby server in prior art, as shown in Figure 1, existing application service and standby server isolation, under normal condition, client's side link is at application server network, when handover is needed, need manually to disconnect the current applied environment network of general purpose client, general purpose client is connected to backup environment network.
But the switched system of existing application server and standby server, owing to needing the extra network equipment of increase and non-universal client to cause system configuration complicated, cost is high, and in addition, switch step is complicated, needs longer switching time.
Utility model content
For the deficiencies in the prior art, the utility model proposes a kind of switched system, structure be simple, handoff procedure is efficient, safety, improve operating efficiency.
First aspect, the utility model provides a kind of switched system, comprising:
At least one client;
For at least one client described provides the application server of service;
The standby server of service is provided to described client, described application server and described standby server physical connection when described application server stops providing service to described client;
When described application server stopping provides service for described client, send to described application server and switch the handover command messages that current config option is the second config option, send to described standby server and switch the switching device shifter that current config option is the notification message of the first config option;
Described switching device shifter and described application server and described standby server mutual.
Preferably, at least one client described comprises the client receiving the service that described application server provides and the client receiving the service that described standby server provides;
The client of the service that the described application server of described reception provides comprises: general purpose client and the first non-universal client;
The client of the service that the described standby server of described reception provides comprises: described general purpose client and the second non-universal client;
Described second non-universal client is corresponding to described first non-universal client.
Preferably, described switching device shifter communicates with described general purpose client, sends the switch prompting message switching described application server to described general purpose client.
Preferably, described first config option is the config option of described application server when providing service for described client.
Preferably, described first config option is IP address, the resource of carry and/or the service of startup.
Preferably, described application server and described standby server simultaneously with described client communication.
Second aspect, the utility model provides a kind of switched system, comprising:
At least one client;
For at least one client described provides the application server of service;
The standby server of service is provided to described client, described application server and described standby server physical connection when described application server stops providing service to described client;
The network equipment, described client is by the described network equipment and described application server communication;
When described application server stopping provides service for described client, notify that current config option is switched to the switching device shifter of the 3rd config option that can communicate with standby server by the described network equipment;
Described switching device shifter and the described network equipment mutual.
Preferably, the described network equipment is router or switch.
Preferably, the config option of the described network equipment is the config option divided about VLAN.
Preferably, described application server and described standby server can not simultaneously with described client communication.
As shown from the above technical solution, switched system of the present utility model, when application server stopping provides service for client, switching device shifter sends the switching command switching current config option to application server, send the notification message switching current config option to standby server; Current config option is switched to the first default config option according to notification message by standby server, and provides service for described client.Thus, such that whole handoff procedure is efficient, safety, reduce the time of switch operating, drastically increase the efficiency of switch operating.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of distributed system of the prior art;
The theory diagram of the switched system that Fig. 2 provides for the utility model one embodiment;
The structural representation of the switched system that Fig. 3 provides for the utility model one embodiment;
The theory diagram of the switched system that Fig. 4 provides for another embodiment of the utility model;
The structural representation of the switched system that Fig. 5 provides for another embodiment of the utility model;
The schematic flow sheet of the changing method of the switched system that Fig. 6 provides for the utility model one embodiment;
The part run schematic diagram of the changing method of the switched system that Fig. 7 provides for the utility model one embodiment;
The schematic flow sheet of the changing method of the switched system that Fig. 8 provides for the utility model embodiment;
The schematic flow sheet of the changing method of the switched system that Fig. 9 provides for another embodiment of the utility model;
The schematic flow sheet of the changing method of the switched system that Figure 10 provides for another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is removed, intactly described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiments; based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment is mainly used in safe examination system, such as, and the safe examination system etc. of the important place such as airport security system, ship lockage security check system, subway, station.Particularly, following client can be rays safety detection apparatus and receives a PC (Personal Computer of the scan-data that rays safety detection apparatus sends, personal computer) machine, application server can be the second PC being arranged on and communicating with the first PC in machine room, and the data that the second PC can send according to the first PC judge that whether article are dangerous; Standby server can be under the second PC failure condition, the 3rd PC communicated with rays safety detection apparatus, and switching device shifter can be another PC of monitoring rays safety detection apparatus, the first PC, the second PC, the 3rd PC operating state.
Fig. 2 shows the theory diagram of the switched system that the utility model one embodiment provides, Fig. 3 shows the structural representation of the switched system shown in Fig. 2, as shown in Figures 2 and 3, the switched system of the present embodiment comprises: switching device shifter 21, at least one client 22, to provide the application server 23 of service and provide the standby server 24 of service when application server 23 stops providing service to client to client at least one client; Application server 23 and standby server 24 physical connection; Switching device shifter 21 monitor application server 23 stop for client 22 service is provided time, the switching command switching current config option is sent to application server 23, the notification message switching current config option is sent to standby server 24, to make standby server 24 current config option switched to and can provide the config option of service for client 22, communicate with standby server 24 to make at least one client 22, now, current config option is switched to the second default config option by application server 23, enters wait state.
In a particular application, when application server 23 stops providing service for client 22, switching device shifter 21 is by switching to the second default config option by config option current for application server 23, and config option current for standby server 24 is switched to the first default config option, for client 22 provides service.
In another embodiment, the switched system of the present embodiment also comprises the network equipment 25;
Client 22 connects application server 23 by the network equipment 25;
Switching device shifter 21 monitor application server 23 stop for client 22 service is provided time, current config option is switched to the config option that can communicate with standby server 24 by informing network equipment 25, provides service to make standby server 24 at least one client 22.
The network equipment 25, for current config option being switched to the 3rd default config option, provides service to make standby server 24 for client 22.
The switched system of the present embodiment can perform the flow process in the embodiment of the method shown in Fig. 6 to Fig. 8 described later, and the present embodiment does not describe in detail at this.
The automatic switchover system of the present embodiment, its application server and backup server possess different config options, and when handover is needed, application server stops providing service, and handover configurations option, enter standby condition.Standby server handover configurations option simultaneously, and alternate application server provides service as client, without the need to the arrangement place to equipment, decreases coordination and preparation.
Fig. 4 shows the theory diagram of the switched system that another embodiment of the utility model provides, and Fig. 5 shows the structural representation of switched system described in Fig. 4.
As shown in Figure 4 and Figure 5, the switched system of the present embodiment comprises: switching device shifter 41, at least one client 42, to provide the application server 43 of service and provide the standby server 44 of service when application server 43 stops providing service to client 42 to client 42 at least one client 42; The network equipment 45 be connected with application server 43;
When application server 43 stops providing service for client 42, switching device shifter 41 makes standby server 44 provide service for client 42 by config option current for the network equipment 45 being switched to the 3rd config option.
The switched system of the present embodiment can perform the flow process in the embodiment of the method shown in Fig. 8 and Figure 10 described later, and the present embodiment does not describe in detail at this.
The switched system of the present embodiment, compared with prior art, no longer need the client device setting up independent standby server network and preparation non-universal, by config option current for the network equipment being switched to the 3rd default config option, client and standby server being accessed same VLAN, application server is switched to other VLAN, switch operating completes automatically, decrease system equipment, reduce system complexity, reduce cost.
The present embodiment takes into full account the reliability of safe examination system and the reasonability of cost, standby server is independent of application server, in normal state, client-access application server, when application server fault, client arranges access standby server by switch route, from network level by standby server and application server isolation, ensure that, when unpredictable fault appears in application server, whole safe examination system still can be run.
Fig. 6 shows the schematic flow sheet of the changing method of the switched system that the utility model embodiment provides, and as shown in Figure 6, the automatic switching method of the switched system that the present embodiment provides is as described below.
601, the service state of application server monitored in real time by switching device shifter.
In the present embodiment, client sends safety check information to application server, and application server carries out corresponding safety check operation, record safety check result to client feedback safety check result.
602, when switching device shifter monitor application server stop providing service for client time, automatic switching control equipment sends the switching command switching current config option to application server, send the notification message switching current config option to standby server.
For example, config option can be Internet protocol (Internet Protocol is called for short IP) address, the resource of carry, the service etc. of startup, and the present embodiment does not specifically limit it.
603, current config option is switched to the first default config option according to notification message by standby server, and provides service for client.
Wherein, the first config option is the config option of application server when providing service for client.
In the present embodiment, application server enters wait state after current config option is switched to the second default config option, and standby server enters service state after current config option is switched to the first default config option.
Wherein, the config option that the first config option is current with application server mates, as configured specific IP address, the corresponding resource of carry, starting corresponding service etc.
In step 601, the service state of application server monitored in real time by switching device shifter, in normal state, client-access application server, when client send safety inspection data meet deploy to ensure effective monitoring and control of illegal activities data time, application server gives the alarm to warning system, when application server fault or staff initiate task switching, application server stops providing service, and client cannot access application server.
In step 602, when switching device shifter monitor application server stop providing service for client time, switching device shifter sends the notification message for switching current config option to the driving agent apparatus being arranged on standby server inside, trigger standby server after driving agent apparatus to receive notification message, switch current config option according to notification message.
In step 603, the client receiving the service that application server provides comprises: general purpose client and the first non-universal client, the client receiving the service that standby server provides comprises: above-mentioned general purpose client and the second non-universal client, the second non-universal client is corresponding to the first non-universal client.
Switching device shifter, when monitoring application server and stopping providing service for client, triggers the second non-universal client terminal start-up.
In a particular application, application server and standby server can simultaneously and client communication, the application server config option current with standby server is different, under normal condition, client-access application server, when application server fault, application server stops providing service, switching device shifter sends the switching command switching current config option to application server, and config option current for application server is switched to the second default config option, the notification message switching current config option is sent to standby server, make standby server that current config option is switched to the first default config option, and alternate application server provides service to client.
After safety check terminates, up-to-date safety check result is synchronized in the database be connected with standby server by client.
The communication process of client and standby server is realized automatically by network mechanism, the switching of config option comprises the switching of IP address, after the config option that standby server is current switches to specific IP address, the packet that client sends can be sent to standby server automatically.
In the present embodiment, when standby server provides service for client, send the information switched to client, when client receives the information switched, switch operating completes.
The safe examination system that the present embodiment is suitable for, can configure an application server and multiple standby server, when application server damages, can share task, realize load and redistribute by standby application server.
Alternatively, before or after step 602, said method also can comprise following not shown step 602a.
602a, switching device shifter monitor application server stop for client service is provided time, send the switch prompting message being used for switch application server to client, remind the user of client to provide the application server of service to switch.Now, client, after this switch indicating information of acquisition, if need to back up current Detection Information, can back up this.
It should be noted that, the switch prompting information for switching server to client transmission can be the command information of various instruction client operation, as pointed out the information warning of application server fault, remind the instruction of client data on file, the state information etc. of reactive applications server contention states, switch prompting information can be shown by the information indicating apparatus be connected with rays safety detection apparatus, this switch prompting information can be arranged according to the difference of application scenarios, and the present embodiment is not specifically limited it.
In the present embodiment, switching device shifter sends the switch prompting message being used for switch application server to the general purpose client in client, client operates accordingly according to the concrete instruction in switch prompting message or points out, as the preservation of data or the calcellation etc. of current operation.
Alternatively, before or after step 603, said method also can comprise following not shown step 603a.
Current config option is switched to the 3rd default config option by 603a, the network equipment be connected with application server, provides service to make standby server for client.
In the present embodiment, application server has physical link to be connected with standby server and the network equipment, and due to the configuration of the network equipment, before handover network equipment, standby server cannot by the network equipment and client communication.
For example, the network equipment can be the equipment such as router, network switch.
In the present embodiment, the config option of the network equipment can be about WLAN (wireless local area network) (VirtualLocal Area Network, be called for short VLAN) config option that divides, after the current config option of the network equipment has switched, standby server and client are in same VLAN, pass through network mechanism, the packet that client sends can be sent to standby server automatically, carry out safety inspection data by client and standby server to communicate, safe examination system task and risk be can rationally share, fail safe and the operational efficiency of safe examination system improved.
In the present embodiment, when handover is needed, application server stops providing service, current config option is switched to the second default config option by application server, current config option is switched to the first default config option by standby server, and for client provides service, client is communicated with standby server automatically by network mechanism, thus manual switchover work can be exempted, increase work efficiency.
Fig. 7 shows the part run schematic diagram of the switched system changing method that the utility model one embodiment provides, and particularly, Fig. 7 shows the schematic flow sheet of above-mentioned sub-step 603a, and as shown in Figure 7, above-mentioned steps 603a specifically comprises:
6031a, switching device shifter monitor application server stop for client service is provided time, send to the network equipment and make standby server provide the notification message of service for client.
For example, switching device shifter monitors application server and stops as after when client provides service, the notification message for handover configurations option is sent to the driving agent apparatus being arranged on network device internal, drive agent apparatus to receive trigger network equipment after notification message, the network equipment switches current config option according to notification message.
Current config option is switched to the 3rd default config option according to notification message by 6032a, the network equipment.
In the present embodiment, when handover is needed, application server stops providing service, the config option of handover network equipment is the 3rd preset configuration option, put client and standby server under same VLAN, make standby server provide service for client, client is communicated with standby server automatically by network mechanism, increases work efficiency.
Fig. 8 shows the idiographic flow schematic diagram of the changing method of the switched system that the utility model one embodiment provides, and as shown in Figure 8, the changing method of the present embodiment specifically comprises:
801, whether switching device shifter monitoring application server stops providing service.
Wherein, stop providing service if switching device shifter monitors application server, then sent the switching command switching current config option to application server, otherwise, return prompting message to automatic switching control equipment.
802, application server handover configurations option, enters wait state.
In the present embodiment, after application server receives switching command, switching current config option is the second default config option, enters wait state.
803, judge whether successfully application server enters wait state.
In a particular application, the config option of switching device shifter reception application server is switched to the feedback message of wait state, judge whether successfully application server enters wait state, if application server enters wait state failure, then returns prompting message to automatic switching control equipment according to feedback message.
804, after application server handover configurations enters wait state success, the non-universal client in backup environment is enabled.
Application server handover configurations sends feedback information to switching device shifter after entering wait state success.
805, judge whether the non-universal client in backup environment enables successfully.
806, non-universal client is enabled successfully, standby server handover configurations option, and enters service state.
Current config option is switched to the first default config option by the notification message that standby server sends according to switching device shifter, enters service state.
Wherein, after application server handover configurations enters wait state success, switching device shifter sends corresponding notification message to standby server, and current config option is switched to the first default config option according to notification message by standby server.
807, judge whether successfully standby server enters service state.
In a particular application, it is after the first default config option that standby server switches current config option, enter service state, can receive and store the safety inspection data that client sends, for client provides service, client is communicated with standby server automatically by network mechanism, if standby server handoff failure, do not enter service state, then return prompting message to automatic switching control equipment.
Client in the present embodiment is communicated with standby server automatically by network mechanism, thus can exempt manual switchover work, saves switching time.
Fig. 9 shows the schematic flow sheet of the changing method of the switched system that another embodiment of the utility model provides, and as shown in Figure 9, the changing method that the present embodiment provides is as described below.
901, the service state of application server monitored in real time by switching device shifter.
902, when switching device shifter monitor application server stop providing service for client time, switching device shifter sends the notification message for switching current config option to the network equipment be connected with application server, switches current config option to make the network equipment according to notification message.
Illustrate, the network equipment refers to router, switch or other network equipments.
903, current config option is switched to the 3rd default config option, to make standby server and client communication, for client provides service according to notification message by the network equipment.
It should be noted that application server and standby server can not simultaneously and client communication, application server is identical with the config option of backup server, but adheres to different VLAN separately.
Wherein, the 3rd config option of the network equipment provides the config option of service for making standby server for client, such as, configure specific IP address, the corresponding resource of carry, start corresponding service etc.
In the present embodiment, the config option of the network equipment can be the config option divided about VLAN, after the current config option of the network equipment has switched, standby server and client are in same VLAN, application server is in other VLAN, by network mechanism, the packet that client sends can be sent to standby server automatically.
Alternatively, before or after step 902, said method also can comprise following not shown step 904.
904, switching device shifter is when monitoring application server and stopping providing service for client, sends the switch prompting message being used for switch application server to client, reminds the user of client to provide the application server of service to switch.
It should be noted that, the switch prompting information for switching server to client transmission can be the command information of various instruction client operation, as pointed out the information warning of application server fault or reminding the instruction etc. of client data on file, this switch prompting information can be arranged according to the difference of application scenarios, and the present embodiment is not specifically limited it.
In the present embodiment, client is after receiving the information needing to carry out switching server, automatic switching control equipment can control application server and cut off, thus makes client from interference in the process be connected with standby server, thus improves the stability of connection procedure.
In a particular application, client is receiving after server carries out the information switched, application server quits work, standby server starts provides service, config option current for the network equipment is switched to the 3rd default config option, client and standby server are accessed same VLAN, and application server is switched to other VLAN, switch operating completes.
The changing method of the present embodiment, can complete switch operating by the config option of handover network equipment, decrease the time of switch operating, reduce system complexity, drastically increase the efficiency of switch operating.
Figure 10 shows the idiographic flow schematic diagram of the changing method of the switched system that the utility model one embodiment provides, and as shown in Figure 10, described method specifically comprises:
1001, whether switching device shifter monitoring application server stops providing service.
1002, standby server starts service.
In the present embodiment, after application server stops providing service, start standby server.
1003, judge whether standby server starts successfully.
In a particular application, after application server stops providing service, enable the non-universal client in backup environment, non-universal client is enabled successfully, and standby server enters service state, otherwise, then return prompting message to automatic switching control equipment.
1004, the config option of handover network equipment.
For example, the config option of the network equipment can be the config option divided about VLAN, and automatic switching control equipment sends corresponding instruction to the network equipment, and switching current config option to make the network equipment is the 3rd default config option.
1005, the config option whether handover success of the network equipment is judged.
In the present embodiment, after the current config option of the network equipment switches to the 3rd default config option, standby server and client are in same VLAN, pass through network mechanism, the packet that client sends can be sent to standby server automatically, and after client receives the prompting switched, switch operating completes, otherwise, return prompting message to automatic switching control equipment.
The changing method of the present embodiment, can complete switch operating by the config option of handover network equipment, decrease the time of switch operating, reduce system complexity.
The present embodiment takes into full account the reliability of safe examination system and the reasonability of cost, standby server is independent of application server, in normal state, client-access application server, when application server fault, client arranges access standby server by switch route, from network level by standby server and application server isolation, ensure that, when unpredictable fault appears in application server, whole safe examination system still can be run.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a switched system, is characterized in that, comprising:
At least one client;
For at least one client described provides the application server of service;
The standby server of service is provided to described client, described application server and described standby server physical connection when described application server stops providing service to described client;
When described application server stopping provides service for described client, send to described application server and switch the handover command messages that current config option is the second config option, send to described standby server and switch the switching device shifter that current config option is the notification message of the first config option;
Described switching device shifter and described application server and described standby server mutual.
2. system according to claim 1, is characterized in that, at least one client described comprises the client receiving the service that described application server provides and the client receiving the service that described standby server provides;
The client of the service that the described application server of described reception provides comprises: general purpose client and the first non-universal client;
The client of the service that the described standby server of described reception provides comprises: described general purpose client and the second non-universal client;
Described second non-universal client is corresponding to described first non-universal client.
3. system according to claim 2, is characterized in that, described switching device shifter communicates with described general purpose client, sends the switch prompting message switching described application server to described general purpose client.
4. system according to claim 1, is characterized in that, described first config option is the config option of described application server when providing service for described client.
5. system according to claim 4, is characterized in that, described first config option is internet protocol address, the resource of carry and/or the service of startup.
6., according to the arbitrary described system of claim 1-5, it is characterized in that, with described client communication while of described application server and described standby server.
7. a switched system, is characterized in that, comprising:
At least one client;
For at least one client described provides the application server of service;
The standby server of service is provided to described client, described application server and described standby server physical connection when described application server stops providing service to described client;
The network equipment, described client is by the described network equipment and described application server communication;
When described application server stopping provides service for described client, notify that current config option is switched to the switching device shifter of the 3rd config option that can communicate with standby server by the described network equipment;
Described switching device shifter and the described network equipment mutual.
8. system according to claim 7, is characterized in that, the described network equipment is router or switch.
9. system according to claim 7, is characterized in that, the config option of the described network equipment is the config option divided about virtual LAN VLAN.
10., according to the arbitrary described system of claim 7-9, it is characterized in that, described application server and described standby server can not simultaneously with described client communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420854532.7U CN204272157U (en) | 2014-12-29 | 2014-12-29 | Switched system |
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| CN201420854532.7U CN204272157U (en) | 2014-12-29 | 2014-12-29 | Switched system |
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| CN204272157U true CN204272157U (en) | 2015-04-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104468242A (en) * | 2014-12-29 | 2015-03-25 | 同方威视技术股份有限公司 | Automatic switching method and system |
| CN107196987A (en) * | 2016-03-15 | 2017-09-22 | 中国移动通信集团河南有限公司 | The switching method and server of a kind of pair of centring system |
| CN109257229A (en) * | 2018-10-25 | 2019-01-22 | 网宿科技股份有限公司 | A kind of main/standby switching method and device |
| JP2021077318A (en) * | 2019-11-11 | 2021-05-20 | 財團法人工業技術研究院Ｉｎｄｕｓｔｒｉａｌ Ｔｅｃｈｎｏｌｏｇｙ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ | Network communication control method of plurality of edge clouds, and edge computing device and system |
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- 2014-12-29 CN CN201420854532.7U patent/CN204272157U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104468242A (en) * | 2014-12-29 | 2015-03-25 | 同方威视技术股份有限公司 | Automatic switching method and system |
| WO2016107438A1 (en) * | 2014-12-29 | 2016-07-07 | 同方威视技术股份有限公司 | Automatic switching method and system |
| US10379976B2 (en) | 2014-12-29 | 2019-08-13 | Nuctech Company Limited | Automatic switching method and automatic switching system |
| CN107196987A (en) * | 2016-03-15 | 2017-09-22 | 中国移动通信集团河南有限公司 | The switching method and server of a kind of pair of centring system |
| CN109257229A (en) * | 2018-10-25 | 2019-01-22 | 网宿科技股份有限公司 | A kind of main/standby switching method and device |
| CN109257229B (en) * | 2018-10-25 | 2021-08-06 | 网宿科技股份有限公司 | Main/standby switching method and device |
| JP2021077318A (en) * | 2019-11-11 | 2021-05-20 | 財團法人工業技術研究院Ｉｎｄｕｓｔｒｉａｌ Ｔｅｃｈｎｏｌｏｇｙ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ | Network communication control method of plurality of edge clouds, and edge computing device and system |
| JP7017594B2 (en) | 2019-11-11 | 2022-02-08 | 財團法人工業技術研究院 | Network communication control methods for multiple edge clouds, and edge computing devices and systems |
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