CN101815315A - Redundancy backup swap method, device and system - Google Patents
Redundancy backup swap method, device and system Download PDFInfo
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- CN101815315A CN101815315A CN201010132701A CN201010132701A CN101815315A CN 101815315 A CN101815315 A CN 101815315A CN 201010132701 A CN201010132701 A CN 201010132701A CN 201010132701 A CN201010132701 A CN 201010132701A CN 101815315 A CN101815315 A CN 101815315A
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Abstract
The embodiment of the invention relates to the wireless communication technology, in particular to a redundancy backup swap method, a redundancy backup swap device and a redundancy backup swap system, which are used for realizing quick and accurate swap of master and standby routing equipment and improving overall fault-tolerant capability of the routing equipment. The method comprises the following steps of: calculating the priority of the standby routing equipment according to priority values corresponding to parameters of the standby routing equipment, weight values corresponding to the parameters and an equipment priority value configured by a user; and when a message sent by the master routing equipment is not detected in preset time, swapping the standby routing equipment with the highest priority into the master routing equipment.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of redundancy backup swap method, device and system.
Background technology
Restorative and redundancy has become the key characteristic in the current local area network (LAN).For this reason, IETF (InternetEngineering Task Force, the network engineering task groups) formulated VRRP (Virtual RouterRedundancy Protocol, Virtual Router Redundancy Protocol), this protocol application is in as the layer-3 switch on the static configuration default gateway, carries out the terminal system that wide area network inserted or visited other local area network (LAN) net territory faster, more effective redundancy fault-tolerant ability is provided for relying on default gateway.
In the wavelength-division supervisory control system of prior art; main control device carries out information interaction by fixing routing device and terminal system; because routing device is fixed; it breaks down can't operate as normal the time; main control device and terminal system can't be carried out information interaction; whole network element will be taken off pipe, and protection control channel also can be obstructed.
Summary of the invention
The embodiment of the invention provides a kind of redundancy backup swap method, device and system, switches fast and accurately in order to realize master-slave back-up route apparatus, has improved the whole fault-tolerant ability of routing device.
The embodiment of the invention provides a kind of redundancy backup swap method, and this method comprises:
Parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Surpass the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
The embodiment of the invention provides a kind of redundancy backup swap device, and this device comprises:
The first priority computing module is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Switch module, be used for surpassing the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
The embodiment of the invention provides a kind of system of redundancy backup swap, comprises main control unit, data transmission unit and terminal management unit, it is characterized in that, transmits information by described data transmission unit between described main control unit and the described terminal management unit;
Described data transmission unit comprises: redundancy backup swap device and routing device, described redundancy backup swap device is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment; Surpass the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
The redundancy backup swap method that the embodiment of the invention provides, device and system are used for parameter corresponding priorities value and the weighted value of this parameter correspondence and the priority that user configured priority facility value is calculated this standby routing equipment according to standby routing equipment; Surpass the scheduled time when not detecting main road and sending message by equipment, the standby routing equipment that priority is the highest switch into main road by equipment.The methods, devices and systems that the embodiment of the invention provides can dynamically update the priority of equipment when variation in plant parameters, to satisfy the requirement of intelligent redundancy backup.When the priority that obtains according to the routing device dynamic parameter equates simultaneously, determine priority facility once more, realize the difference of compatible dissimilar routing device groove bit functions according to residing sub-frame of routing device and groove position.By to the dynamically updating of route priority facility, the ability of intelligent redundancy backup is provided, can realize that master-slave back-up route apparatus switches rapidly and accurately, improved the whole fault-tolerant ability of routing device.
Description of drawings
Fig. 1 is the method flow schematic diagram of redundancy backup swap in the embodiment of the invention;
Fig. 2 is the method flow schematic diagram of redundancy backup swap in the embodiment of the invention;
Fig. 3 is the structural representation of redundancy backup swap device in the embodiment of the invention;
Fig. 4 is the structural representation of redundancy backup swap system in the embodiment of the invention;
Fig. 5 is the structural representation of data transmission unit in the redundancy backup swap system in the embodiment of the invention.
Embodiment
At length set forth to the main realization principle of embodiment of the invention technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
As shown in Figure 1, be a kind of redundancy backup swap method that the embodiment of the invention provides, this method may further comprise the steps:
Step 101, the priority of calculating standby routing equipment according to the weighted value and the user configured priority facility value of the parameter corresponding priorities value of standby routing equipment and this parameter correspondence;
Step 102, surpass the scheduled time when not detecting main road and sending message by equipment, the standby routing equipment that priority is the highest switch into main road by equipment.
After the redundancy backup swap device starts,, add virtual port for supporting the standby routing equipment configuration virtual IP address of redundancy backup function.Obtain the parameter corresponding priorities value of standby routing equipment, the weighted value and the user configured priority facility value of this parameter correspondence then, and then obtain the priority of this standby routing equipment, wherein, the weighted value of parameter corresponding priorities value and parameter correspondence can obtain according to the predetermined mapped table, concrete, value getparms is determined the codomain at value place in mapping table of this parameter, obtains codomain corresponding priorities value then.When obtaining priority, according to the parameter corresponding priorities value of this standby routing equipment and weighted value and the product of user's configuration identifier and the priority that user configured priority facility value sum is calculated this standby routing equipment of this parameter correspondence.Wherein, the parameter corresponding priorities value of this standby routing equipment specifically comprises: obtain the value of this parameter, determine the codomain at value place in mapping table of this parameter, obtain this codomain corresponding priorities value.If priority facility value that the user is pre-configured, then the value of user's configuration identifier is 0.Difference as the case may be can be carried out corresponding modification to the above-mentioned formula that obtains.
The parameter of standby routing equipment includes but not limited to Center Processing Unit Utilization, standby routing equipment temperature.Because parameters such as Center Processing Unit Utilization, standby routing equipment temperature are dynamic changes, therefore, can determine its corresponding priorities value according to the scope at the value place in its a certain moment.The weighted value of Center Processing Unit Utilization correspondence is greater than the weighted value of standby routing equipment temperature correspondence, and the priority value of Center Processing Unit Utilization is when being lower than predetermined threshold, and it is minimum that the priority value of this standby routing equipment is changed to priority; When the weighted value of the standby routing equipment temperature correspondence weighted value greater than the Center Processing Unit Utilization correspondence, and the priority value of standby routing equipment temperature is when being lower than predetermined threshold, and it is minimum that the priority value of this standby routing equipment is changed to priority.Can get rid of like this and be not suitable for, and then determine faster to switch and be the standby routing equipment of main road by equipment as the standby routing equipment of main road by equipment.When if a plurality of standby routing equipment priority that obtain according to the parameter of standby routing equipment are identical, can determine priority according to the sub-frame at standby routing equipment place number and slot number.Sub-frame is number more little, and standby routing equipment priority is high more, and when sub-frame was number identical, slot number was more little, and standby routing equipment priority is high more.
Main road carries out information interaction with the redundancy backup swap device in real time or regularly by equipment, when surpassing scheduled time redundancy backup swap device and not receiving the message that main road sends by equipment yet, be that this main road of decidable is quit work by equipment, at this moment, can the standby routing equipment that priority is the highest switch into main road by equipment.Main road can be broken down by equipment or main road is lower than predetermined threshold value etc. by the priority of equipment for main road by the out-of-work reason of equipment.
In addition, can also determine the time of delay of standby routing equipment according to priority, priority is high more, and time of delay is short more, when time of delay of standby routing equipment finishes and does not detect yet message that main road sends by equipment, with this standby routing equipment switch into main road by equipment.Certainly, can directly specify to switch to be the standby routing equipment of main road by equipment, this main road continues transmission information between main control device and terminal management apparatus by equipment.Main road is by equipment can't operate as normal the time like this, standby routing equipment can in time switch into main road by equipment, guarantee between main control device and the terminal management apparatus transmission information smoothly.
As can be seen from the above description, when the variation in plant parameters, dynamically update the priority of equipment, according to the embodiment of the invention to satisfy the requirement of intelligent redundancy backup.When the priority that obtains according to the routing device dynamic parameter equates simultaneously, determine priority facility once more, realize the difference of compatible dissimilar routing device groove bit functions according to residing sub-frame of routing device and groove position.By to the dynamically updating of route priority facility, the ability of intelligent redundancy backup is provided, can realize that master-slave back-up route apparatus switches fast and accurately, improved the whole fault-tolerant ability of routing device
Provide more specifically execution mode below, as shown in Figure 2, the method that the embodiment of the invention is provided describes, and comprises the steps:
After step 201, redundancy backup swap device start,, add virtual port for supporting the standby routing equipment configuration virtual IP address of redundancy backup function;
If there is user configured priority facility value, then user ID is changed to 0; If there is not user configured priority facility value, then user ID is changed to 1.
Because CPU usage is dynamic change, therefore when calculating its corresponding priorities value, can shine upon according to following table:
| The average occupancy of CPU | Mapping priority value priority_cpu |
| ??90％～71％ | ??0 |
| ??70％～30％ | ??25 |
| Below 30% | ??50 |
Promptly, determine CPU usage corresponding priorities value according to the scope at the value place of CPU usage.Numerical value high priority more is high more, and numerical value and form in the last table only are an example, also can adopt other numerical value, the form that reach effect same.
The temperature of standby routing equipment also is dynamic change, therefore, when calculating its corresponding priorities value, can shine upon according to following table:
| The temperature of equipment | Mapping priority value priority_temperature |
| More than 65 ° | ??0 |
| ??-5°～65° | ??20 |
| Below-5 ° | ??0 |
Promptly, determine standby routing equipment temperature corresponding priorities value according to the scope at the value place of standby routing equipment temperature.Numerical value high priority more is high more, and numerical value and form in the last table only are an example, also can adopt other numerical value, the form that reach effect same.
It should be noted that the step of obtaining the standby routing equipment CPU usage and the step of obtaining the temperature of standby routing equipment do not have inevitable execution sequencing.
The scope of each weighted value is as shown in the table:
| Weight | Codomain |
| Parameter 1weight1 | ??1～5 |
| Parameter 2weight2 | ??1～10 |
This weighted value can be disposed by the user, if configuration, can be in the codomain scope picked at random value.
The priority value of step 206, calculating standby routing equipment;
priority＝user_set_priority+(priority_cpu*weight1+priority_temperature*weight2)*Flag
Illustrate: user_set_priority: user configured priority facility value;
The mapping priority value of priority_cpu:CPU occupancy;
Priority_temperature: the mapping priority value of device temperature;
Flag: user's configuration identifier;
When having user configured priority facility value, Flag=0; When not having user configured priority facility value, Flag=1.This computing formula is the cited example of method that provides for the explanation embodiment of the invention, as the case may be, can carry out corresponding modification to the aforementioned calculation formula.
The parameter of standby routing equipment includes but not limited to Center Processing Unit Utilization, standby routing equipment temperature.The weighted value of Center Processing Unit Utilization correspondence is greater than the weighted value of standby routing equipment temperature correspondence, and the priority value of Center Processing Unit Utilization is when being lower than predetermined threshold, and it is minimum that the priority value of this standby routing equipment is changed to priority; When the weighted value of the standby routing equipment temperature correspondence weighted value greater than the Center Processing Unit Utilization correspondence, and the priority value of standby routing equipment temperature is when being lower than predetermined threshold, and it is minimum that the priority value of this standby routing equipment is changed to priority.Can determine faster like this to switch and be the standby routing equipment of main road by equipment.
Main road carries out information interaction with the redundancy backup swap device in real time or regularly by equipment, when surpassing scheduled time redundancy backup swap device and not receiving the message that main road sends by equipment yet, be that this main road of decidable is quit work by equipment, at this moment, can the standby routing equipment that priority is the highest switch into main road by equipment.In addition, can also determine the time of delay of alternate device according to priority, the standby routing equipment that priority is high more, time of delay is short more, is 0 when time of delay, when promptly postpone finishing, with this standby routing equipment switch into main road by equipment.Need to prove that main road can be broken down by equipment or main road is lower than predetermined threshold value by the priority of equipment for main road by the out-of-work reason of equipment.It is similar with the method for calculating the standby routing equipment priority value by the method for priority facility value to calculate main road, does not repeat them here.The user also can directly specify the priority of main road by equipment and standby routing equipment, then the redundancy backup function is only come into force by equipment room at specified circuit, priority value no longer works, and does not recover after switching, and this main road continues transmission information between main control device and terminal management apparatus by equipment.Main road is by equipment can't operate as normal the time like this, standby routing equipment can in time switch into main road by equipment, guarantee between main control device and the terminal management apparatus transmission information smoothly.
The redundancy backup function that relates in the method that the embodiment of the invention provides is based on RFC2338, and its protocol contents is expanded.Wherein, the airtime of priority value, notification packet interval, VID (VirtualRtr ID, virtual router ID) etc. can manual configuration, inherited the VRRP configuration flexibility, and realized the priority intelligent updating.
As can be seen from the above description, when the variations in temperature of equipment CPU usage and equipment, dynamically update the priority of equipment, according to the embodiment of the invention to satisfy the requirement of intelligent redundancy backup.When the priority that obtains according to the routing device dynamic parameter equates simultaneously, determine priority facility once more, realize the difference of compatible dissimilar routing device groove bit functions according to residing sub-frame of routing device and groove position.By to the dynamically updating of route priority facility, the ability of intelligent redundancy backup is provided, can realize that master-slave back-up route apparatus switches fast and accurately, improved the whole fault-tolerant ability of routing device.
Accordingly, the embodiment of the invention also provides a kind of redundancy backup swap device, and its structure specifically comprises as shown in Figure 3:
The first priority computing module 301 is used for parameter corresponding priorities value and the weighted value of this parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Preferable, this first priority computing module 301 comprises:
The parameter priority value obtains submodule 3012, is used to obtain the standby routing equipment parameter corresponding priorities value that described parameter acquiring submodule 3011 obtains;
Weighted value obtains submodule 3013, is used to get the weighted value of the standby routing equipment parameter correspondence that described parameter acquiring submodule 3011 obtains;
Preset priority and obtain submodule 3014, be used to obtain user configured priority facility value;
Calculating sub module 3015 is used for obtaining submodule 3012, weighted value according to described parameter priority value and obtains submodule 3013 and preset priority and obtain the priority value that value that submodule 3014 obtains is calculated standby routing equipment.
Preferable, this redundancy backup swap device also comprises: the second priority computing module 303, be used for the priority of a plurality of standby routing equipment that the described first priority computing module 301 obtains when identical, determine priority according to the sub-frame at described standby routing equipment place number and slot number.
Preferable, this redundancy backup swap device also comprises: time delay module 304 is used for determining that according to the priority that the described first priority computing module 301 or the second priority computing module 303 calculate standby routing equipment is switched to the time of delay of main road by equipment.
Preferable, this redundancy backup swap device also comprises: detection module 305, be used to detect the message that main road is sent by equipment, and when not detecting main road by equipment transmission message, notify the described module 302 of switching above the scheduled time.
Preferable, this redundancy backup swap device can be positioned at data transmission unit.
As can be seen from the above description, dynamically update the priority of equipment according to the embodiment of the invention, to satisfy the requirement of intelligent redundancy backup.When the priority that obtains according to the routing device dynamic parameter equates simultaneously, determine priority facility once more, realize the difference of compatible dissimilar routing device groove bit functions according to residing sub-frame of routing device and groove position.By to the dynamically updating of route priority facility, the ability of intelligent redundancy backup is provided, can realize that master-slave back-up route apparatus switches fast and accurately, improved the whole fault-tolerant ability of routing device.
Accordingly, the embodiment of the invention also provides a kind of redundancy backup swap system, and its structure specifically comprises as shown in Figure 4: main control unit 41, data transmission unit 42 and terminal management unit 43.Pass through data transmission unit 42 transmission information between main control unit 41 and the terminal management unit 43;
As shown in Figure 5, data transmission unit 42 comprises: redundancy backup swap device 421 and routing device 422, described redundancy backup swap device 421 is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment; Surpass the scheduled time when not detecting main road and sending message by equipment, the standby routing equipment that priority is the highest switch into main road by equipment.
Described redundancy backup swap device 421 comprises:
The first priority computing module 4211 is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Preferable, this first priority computing module 4211 comprises:
The parameter acquiring submodule is used to obtain the parameter of standby routing equipment;
The parameter priority value obtains submodule, is used to obtain the standby routing equipment parameter corresponding priorities value that described parameter acquiring submodule obtains;
Weighted value obtains submodule, is used to get the weighted value of the standby routing equipment parameter correspondence that described parameter acquiring submodule obtains;
Preset priority and obtain submodule, be used to obtain user configured priority facility value;
Calculating sub module is used for obtaining submodule, weighted value according to described parameter priority value and obtains submodule and preset priority and obtain the priority value that value that submodule obtains is calculated standby routing equipment.
Preferable, this redundancy backup swap device also comprises: the second priority computing module 4213, be used for the priority of a plurality of standby routing equipment that the described first priority computing module 4211 obtains when identical, determine priority according to the sub-frame at described standby routing equipment place number and slot number.
Preferable, this redundancy backup swap device also comprises: time delay module 4214 is used for determining that according to the priority that the described first priority computing module 4211 or the second priority computing module 4213 calculate standby routing equipment is switched to the time of delay of main road by equipment.
Preferable, this redundancy backup swap device also comprises: detection module 4215, be used to detect the message that main road is sent by equipment, and when not detecting main road by equipment transmission message, notify the described module 4212 of switching above the scheduled time.
As can be seen from the above description, dynamically update the priority of equipment according to the embodiment of the invention, to satisfy the requirement of intelligent redundancy backup.When the priority that obtains according to the routing device dynamic parameter equates simultaneously, determine priority facility once more, realize the difference of compatible dissimilar routing device groove bit functions according to residing sub-frame of routing device and groove position.By to the dynamically updating of route priority facility, the ability of intelligent redundancy backup is provided, can realize that master-slave back-up route apparatus switches fast and accurately, improved the whole fault-tolerant ability of routing device.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a redundancy backup swap method is characterized in that, this method comprises:
Parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Surpass the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
2. the method for claim 1 is characterized in that, the described priority of calculating described standby routing equipment according to the weighted value and the user configured priority facility value of the parameter corresponding priorities value of standby routing equipment, described parameter correspondence specifically comprises:
According to the parameter corresponding priorities value of described standby routing equipment and weighted value and the product of user's configuration identifier and the priority that user configured priority facility value sum is calculated described standby routing equipment of described parameter correspondence;
The parameter corresponding priorities value of described standby routing equipment specifically comprises: obtain the value of described parameter, determine the codomain at value place in mapping table of described parameter, obtain described codomain corresponding priorities value;
The parameter of described standby routing equipment specifically comprises: the temperature of Center Processing Unit Utilization, standby routing equipment;
When described user configured priority facility value existed, the value of described user's configuration identifier was 0.
3. method as claimed in claim 2, it is characterized in that, the weighted value of described Center Processing Unit Utilization correspondence is greater than the weighted value of described standby routing equipment temperature correspondence, and when the priority value of described Center Processing Unit Utilization was lower than predetermined threshold, it is minimum that the priority value of described standby routing equipment is changed to priority; The weighted value of described standby routing equipment temperature correspondence is greater than the weighted value of described Center Processing Unit Utilization correspondence, and when the priority value of described standby routing equipment temperature was lower than predetermined threshold, it is minimum that the priority value of described standby routing equipment is changed to priority.
4. the method for claim 1 is characterized in that, this method also comprises: according to the priority of the described standby routing equipment of parameter acquiring of standby routing equipment when identical, determine priority according to the sub-frame at described standby routing equipment place number and slot number.
5. a redundancy backup swap device is characterized in that, comprising:
The first priority computing module is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Switch module, be used for surpassing the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
6. device as claimed in claim 5 is characterized in that, the described first priority computing module comprises:
The parameter acquiring submodule is used to obtain the parameter of standby routing equipment;
The parameter priority value obtains submodule, is used to obtain the standby routing equipment parameter corresponding priorities value that described parameter acquiring submodule obtains;
Weighted value obtains submodule, is used to get the weighted value of the standby routing equipment parameter correspondence that described parameter acquiring submodule obtains;
Preset priority and obtain submodule, be used to obtain user configured priority facility value;
Calculating sub module is used for obtaining submodule, weighted value according to described parameter priority value and obtains submodule and preset priority and obtain the priority value that value that submodule obtains is calculated standby routing equipment.
7. device as claimed in claim 6 is characterized in that, also comprises:
The second priority computing module is used for the priority of a plurality of standby routing equipment that the described first priority computing module obtains when identical, determines priority according to the sub-frame at described standby routing equipment place number and slot number;
Time delay module is used for determining that according to the priority that the described first priority computing module or the second priority computing module calculate described standby routing equipment is switched to the time of delay of main road by equipment.
8. device as claimed in claim 5 is characterized in that, also comprises:
Detection module is used to detect the message that main road is sent by equipment, when not detecting main road by equipment transmission message above the scheduled time, notifies the described module of switching.
9. the system of a redundancy backup swap comprises main control unit, data transmission unit and terminal management unit, it is characterized in that, transmits information by described data transmission unit between described main control unit and the described terminal management unit;
Described data transmission unit comprises: redundancy backup swap device and routing device, described redundancy backup swap device is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment; Surpass the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
10. system as claimed in claim 9 is characterized in that, described redundancy backup swap device comprises:
The first priority computing module is used for parameter corresponding priorities value and the weighted value of described parameter correspondence and the priority that user configured priority facility value is calculated described standby routing equipment according to standby routing equipment;
Switch module, be used for surpassing the scheduled time when not detecting main road and sending message by equipment, the described standby routing equipment that priority is the highest switch into main road by equipment.
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| CN102255750A (en) * | 2011-06-28 | 2011-11-23 | 中兴通讯股份有限公司 | Method and device for service disaster recovery protection |
| CN102387087A (en) * | 2011-12-18 | 2012-03-21 | 西安安智科技有限公司 | Method and system for realizing standby route based on active detection technique |
| CN106302152A (en) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of control method generating route and routing device |
| CN106982259A (en) * | 2017-04-19 | 2017-07-25 | 聚好看科技股份有限公司 | The failure solution of server cluster |
| CN113678179A (en) * | 2020-08-21 | 2021-11-19 | 深圳市华思旭科技有限公司 | Shared charging cabinet and pop-up control method thereof |
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| CN1780231A (en) * | 2004-11-25 | 2006-05-31 | 华为技术有限公司 | Backup system and method for access servo interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102255750A (en) * | 2011-06-28 | 2011-11-23 | 中兴通讯股份有限公司 | Method and device for service disaster recovery protection |
| CN102255750B (en) * | 2011-06-28 | 2017-05-10 | 中兴通讯股份有限公司 | Method and device for service disaster recovery protection |
| CN102387087A (en) * | 2011-12-18 | 2012-03-21 | 西安安智科技有限公司 | Method and system for realizing standby route based on active detection technique |
| CN106302152A (en) * | 2015-05-21 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of control method generating route and routing device |
| CN106982259A (en) * | 2017-04-19 | 2017-07-25 | 聚好看科技股份有限公司 | The failure solution of server cluster |
| CN113678179A (en) * | 2020-08-21 | 2021-11-19 | 深圳市华思旭科技有限公司 | Shared charging cabinet and pop-up control method thereof |
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| CN101815315B (en) | 2015-05-13 |
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