CN101252477B - Determining method and analyzing apparatus of network fault root - Google Patents
Determining method and analyzing apparatus of network fault root Download PDFInfo
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- CN101252477B CN101252477B CN2008101028583A CN200810102858A CN101252477B CN 101252477 B CN101252477 B CN 101252477B CN 2008101028583 A CN2008101028583 A CN 2008101028583A CN 200810102858 A CN200810102858 A CN 200810102858A CN 101252477 B CN101252477 B CN 101252477B
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Abstract
The invention discloses a network fault root ascertaining method and the analyzing device thereof. The method comprises the following steps: fault polling is performed on the monitored objects of the equipment and the chain circuit comprised in a network; according to the polling result, the fault objects, among which connecting relations exist, can be ascertained as an identical fault region; in the ascertained fault region, the fault root of the fault region can be ascertained according to the connecting relations among each fault object and the objects thereof. The technical proposal disclosed by the invention can be used to position the network fault root aroused by the network fault, and to avoid unnecessary warnings.
Description
Technical field
The present invention relates to network fault diagnosis system, relate in particular to a kind of definite method and analytical equipment of network fault root.
Background technology
Along with The development in society and economy, scope of the enterprise enlarges day by day, and the client distributes increasingly extensive, and the affiliate is increasing, causes intranet user's network size to enlarge fast, and the expansion of network size has proposed new challenge to the analyzing and positioning of network failure; Simultaneously, along with whole industry develops with the direction of service-oriented (SOA) towards intelligent (Smart), the intranet user is to the intelligent level of accident analysis, also have higher requirement with professional binding ability.
Existing network management platform obtains the state of managed devices mostly by the mode of active poll, wherein common processing is to check whether equipment can reach (be equipment whether can proper communication), if equipment unreachable (be equipment can not proper communication) then sends alarm.In the network system as shown in Figure 1, what network management platform was regular carries out poll to confirm its state to switch A, switch b, switch C, switch D.But in this processing method, can not proper communication if switch D breaks down, then because switch D all has link to be connected with switch A, switch b, switch C, other network, network management platform can successively report four equipment inaccessible alarms and/or four obstructed alarms of link, be switch A, switch b, switch C, switch D inaccessible alarm, and/or A-D, B-D, four obstructed alarms of link of other networks of C-D, D-.As seen, in this processing method, on the one hand can cause the unreachable and/or obstructed alarm of link of unnecessary equipment, that cause the user correctly to locate to break down only is switch D; On the other hand,, then all inaccessible alarm can be reported, the incident storm can be caused when serious with related all the subordinate's equipment of switch D if the network that switch D connects is very big.
In addition, for network system shown in Figure 1, if the link between other networks and the network management platform does not have fault, have only switch D to break down, then when producing the situation that above-mentioned four equipment are unreachable, four links are obstructed, can't know and cause that the obstructed fault rootstock of link is switch D between network management platform and each switch.Promptly when numerous fault takes place, can not locate the obstructed fault rootstock of current link.
Summary of the invention
In view of this, provide a kind of definite method of network fault root among the present invention on the one hand, a kind of analytical equipment of network fault root is provided on the other hand, so that the location causes the fault rootstock that link is obstructed.
Definite method of network fault root provided by the present invention comprises:
The monitored object that comprises equipment and/or link in the network is carried out the fault poll;
According to the poll result, the fault object that has annexation each other is defined as same fault zone;
From determined fault zone,, determine the fault rootstock of described fault zone according to the annexation of each fault object and other object.
Preferably, this method further comprises:
With regional unreachable alarm of described fault rootstock as described fault zone.
Preferably, described from determined fault zone, according to the annexation of each fault object and other object, determine that the fault rootstock of described fault zone comprises:
From determined fault zone, will there be the fault object of annexation to be defined as the object of suspicion collection of described fault zone with the object outside the described fault zone;
The faulty equipment that the faulty link of concentrating with described object of suspicion in faulty equipment that described object of suspicion is concentrated and the described fault zone links is defined as the fault rootstock of described fault zone.
Preferably, described according to the poll result, the fault object that has annexation each other is defined as a fault zone comprises:
According to the poll result, determine the fault collection of forming by all fault objects;
Concentrate from described fault, the fault object that has annexation each other is defined as same fault zone.
Preferably, described according to the poll result, determine that the fault collection of being made up of all fault objects comprises:
A, according to the poll result, unreachable equipment and/or obstructed link are deposited in alarm as fault object concentrate;
B, all fault objects that described alarm is concentrated leave the unprocessed object district in, and are fault with the status indicator of described object, leave other objects outside the described alarm collection in other target area, and be the unknown with the status indicator of described object;
C, from the unprocessed object district, extract current object, if the state of described current object is a fault, then from described other target areas, extract and all objects that link are arranged with described current object, and leave these objects in the unprocessed object district, leave described current object in process object district simultaneously; If the state of described current object is unknown, then test the state of described current object again, if state is unreachable or obstructed, then leave described current object in the unprocessed object district, and the state of described current object changed to fault, otherwise, leave described current object in process object district;
D, judge that whether described unprocessed object district is empty, if be sky, then with the fault object in the described process object district as the fault collection, otherwise, the next object in the described unprocessed object district as current object, is returned execution in step C.
Preferably, further comprise in the steps A: described unreachable equipment and/or obstructed link are alarmed;
Before alarming after described definite fault rootstock, to fault rootstock, this method further comprises: stop the alarm to described unreachable equipment and/or obstructed link.
Preferably, after described definite fault rootstock, this method further comprises: it is related that described unreachable equipment and/or obstructed link and described fault rootstock are carried out fault.
Preferably,, determine and object that described fault zone is outer has the object of suspicion collection of annexation to be sky that this method further comprises: the whole network fault is alarmed if from described each fault zone.
The analytical equipment of network fault root provided by the present invention comprises: fault poll module is used for network is comprised that the monitored object of equipment and/or link carries out the fault poll; In addition, this device also comprises:
The fault zone determination module is used for according to the poll result fault object that has annexation each other being defined as same fault zone;
The fault rootstock determination module is used for from determined fault zone, according to the annexation of each fault object and other object, determines the fault rootstock of described fault zone.
Preferably, this device further comprises: alarm module is used for regional unreachable alarm of described fault rootstock as described fault zone.
Preferably, described fault rootstock determination module comprises:
The object of suspicion collection is determined submodule, is used for from determined fault zone, will have the fault object of annexation to be defined as the object of suspicion collection of described fault zone with the object outside the described fault zone;
Fault rootstock is determined submodule, is used for the fault rootstock that faulty equipment that the faulty link of concentrating with described object of suspicion in faulty equipment that described object of suspicion is concentrated and the described fault zone links is defined as described fault zone.
Preferably, described fault zone determination module comprises:
The fault collection is determined submodule, is used for according to the poll result, determines the fault collection of being made up of all fault objects;
Submodule is determined in the fault zone, is used for concentrating from described fault, and the fault object that has annexation each other is defined as same fault zone.
Preferably, described fault collection determines that submodule comprises:
Fault processing unit is used for according to the poll result, unreachable equipment and/or obstructed link is deposited in alarm as fault object concentrate;
The object scheduling unit, be used for leaving all fault objects that described alarm is concentrated in the unprocessed object district, and be fault with the status indicator of described object, leave other objects outside the described alarm collection in other target area, and be unknown the status indicator of described object; From the unprocessed object district, extract current object, if the state of described current object is a fault, then from described other target areas, extract and all objects that link are arranged with described current object, and leave these objects in the unprocessed object district, leave described current object in process object district simultaneously; If the state of described current object is unknown, then test the state of described current object again, if state is unreachable or obstructed, then leave described current object in the unprocessed object district, and the state of described current object changed to fault, otherwise, leave described current object in process object district; If the unprocessed object district is not empty, the next object in the described unprocessed object district as current object, and is returned and carries out described operation of extracting current object from the unprocessed object district, up to the unprocessed object district sky;
Fault collection determining unit is used in the unprocessed object district fault object in the described process object district being defined as the fault collection when empty.
Wherein, described unprocessed object district, process object district and other target areas are: the memory cell of storehouse or chained list or other form except that storehouse and chained list.
Preferably, described fault processing unit is further used for described unreachable equipment and/or obstructed link are reported described alarm module;
Described alarm module was further used for before unreachable alarm the to the zone, and described unreachable equipment and/or obstructed link are alarmed.
Preferably, to be further used for that fault is carried out in the alarm of the alarm of described unreachable equipment and/or described obstructed link and the inaccessible alarm in described zone related for described alarm module.
From such scheme as can be seen, among the present invention, the monitored object that is made of equipment and link in the network is carried out poll; According to the poll result, the fault object that has annexation each other is defined as same fault zone, further, from described each fault zone, determine fault rootstock according to the annexation of each fault object and other object, as seen, by navigating to fault rootstock in the multiple faults object of directly comforming, thereby shortened the cycle of troubleshooting, and, further, a lot of unnecessary alarms have been avoided.
Description of drawings
Fig. 1 is a kind of network system architecture figure;
Fig. 2 determines the exemplary process diagram of the embodiment of method for network fault root among the present invention;
Fig. 3 is for obtaining the method flow diagram of fault collection in the flow process shown in Figure 2;
Fig. 4 is the exemplary block diagram of the embodiment of network fault root analytical equipment among the present invention;
Fig. 5 determines the flow chart of method for a network fault root using technical solution of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
Fig. 2 determines the exemplary process diagram of the embodiment of method for network fault root among the present invention.As shown in Figure 1, this flow process comprises the steps:
Step 201 is carried out the fault poll to the monitored object that comprises equipment and/or link in the network.
Concrete operations in this step can be consistent with operation of the prior art.
Step 202 according to the poll result, is defined as same fault zone with the fault object that has annexation each other.
In this step, the fault zone of determining may have only one, also has a plurality ofly, has annexation between the fault object in each fault zone, and there is not annexation in the object between the fault zone, and the annexation here is often referred to the relation of communicating to connect.During specific implementation, several different methods can be arranged.For example, can a situation arises carries out real-time fault zone and divide according to fault object in the polling procedure, illustrate, if object 1 breaks down, then object 2 also breaks down, and has annexation between object 1 and the object 2, then object 1 and object 2 can be determined in a fault zone, if after object 3 also break down, but do not have annexation between object 3 and object 1, the object 2, then object 3 can be determined in another subject area.And for example: also can a situation arises at first determines a fault collection according to fault object in the polling procedure, afterwards this fault collection being carried out the fault zone divides, the fault collection that described fault collection can be a real time record, also can be after the fault collection of real time record is handled again, the stable fault collection that obtains, illustrate, can earlier the above-mentioned object that breaks down 1, object 2 and object 3 be arranged on a fault concentrates, afterwards according to each other annexation, object 1 and object 2 are determined in a fault zone object 3 to be determined in another fault zone.
Step 203 from determined fault zone, according to the annexation of each fault object and other object, is determined the fault rootstock of this fault zone.
In this step, the method for determining fault rootstock from each fault zone can have multiple, for example, can determine to link more equipment as fault rootstock with faulty link in the fault zone according to the annexation of other object in each fault object and the fault zone.And for example, also can be according to the annexation of other object outside each fault object and the fault zone, there is the annexation fault object to be defined as the object of suspicion collection of this fault zone the object outside in each fault zone and the described fault zone, if the object of suspicion collection is not empty, then the faulty equipment that described object of suspicion is concentrated is as fault rootstock, and, object of suspicion has link if concentrating, then link itself is concentrated from object of suspicion and removed, and will be defined as the fault rootstock of this fault zone with the faulty equipment that is positioned at the fault zone that described link links.
Wherein,, then represent the whole network fault if the object of suspicion collection is empty, but the indeterminate fault root, and the whole network fault is alarmed, perhaps also can therefrom determine to link more equipment as fault rootstock with faulty link.
Step 204 is with regional unreachable alarm of described fault rootstock as this fault zone.
During specific implementation, regional inaccessible alarm can be reported alarm module, alarm demonstration by alarm module.
In the present embodiment, further, it is related also all fault objects (comprising unreachable equipment and/or obstructed link) and fault rootstock can be carried out fault, to make things convenient for the user further to search other faults, promptly the user can further find and related other fault objects of this fault rootstock according to this fault rootstock.
As seen, avoid a lot of unnecessary alarms in the above-mentioned flow process, directly navigated to fault rootstock, shortened the cycle of troubleshooting.
Fig. 3 is for obtaining a kind of method flow diagram of fault collection in the process step 202 shown in Figure 2, this flow process comprises the steps:
Step 301 according to the poll result, is deposited in alarm with unreachable equipment and/or obstructed link as fault object and is concentrated, and this alarm collects the fault collection that is real time record.
This step can be found to carry out behind the setting-up time of first fault object in step 301, and this setting-up time can be set according to actual conditions, as is set at as 10 seconds etc.In addition, this step also can be determined to carry out constantly according to other standard.
Step 303 is extracted current object from the unprocessed object district.
Step 306 is tested the state of described current object again.
Step 307 judges whether the state of described current object is unreachable or obstructed, if then execution in step 308, otherwise, execution in step 309.
Step 308 leaves described current object in the unprocessed object district, and the state of described current object is changed to fault, and execution in step 310 afterwards.
Step 309 leaves described current object in process object district, and execution in step 310 afterwards.
Step 310 judges whether described unprocessed object district is empty, if be empty, then execution in step 311, otherwise, the next object in the described unprocessed object district as current object, is returned execution in step 303.
In the present embodiment, can further comprise in the step 301: in polling procedure, when unreachable the or link of discovering device is obstructed, also can produce the obstructed alarm of equipment inaccessible alarm or link, during specific implementation, can give alarm module with this alarm report, alarm demonstration by alarm module, and in step 204, alarm when showing the zone is unreachable, stop demonstration to these equipment inaccessible alarms and/or the obstructed alarm of link, and it is related that these equipment inaccessible alarms and/or the obstructed alarm of link and described regional inaccessible alarm are carried out fault, further searches other faults to make things convenient for the user.
Fig. 4 is the exemplary block diagram of the embodiment of network fault root analytical equipment among the present invention.As shown in Figure 4, this device comprises: fault poll module, fault zone determination module, fault rootstock determination module and alarm module.
Wherein, fault poll module is used for network is carried out the fault poll by the monitored object that equipment and/or link constitute.
The fault zone determination module is used for according to the poll result, the fault object that has annexation each other is defined as same fault zone, promptly determine by fault object form do not have annexation each other and the internal fault object has each fault zone of annexation.In some cases, the fault zone may have only one.
The fault rootstock determination module is used for from determined fault zone, according to the annexation of each fault object and other object, determines the fault rootstock of this fault zone.
Alarm module is used for regional unreachable alarm of described fault rootstock as corresponding fault zone.
During specific implementation, the fault rootstock determination module can comprise: the object of suspicion collection determines that submodule and fault rootstock determine submodule.
Wherein, the object of suspicion collection is determined submodule, is used for from determined fault zone, will have the fault object of annexation to be defined as the object of suspicion collection of described fault zone with the object outside the described fault zone.
Fault rootstock is determined submodule, is used for the faulty equipment that the faulty link of concentrating with described object of suspicion in faulty equipment that described object of suspicion is concentrated and the described fault zone links and is defined as fault rootstock.
During specific implementation, the fault zone determination module can comprise: the fault collection determines that submodule and fault zone determine submodule.
Wherein, the fault collection is determined submodule, is used for according to the poll result, determines the fault collection of being made up of all fault objects.
Submodule is determined in the fault zone, is used for concentrating from described fault, and the fault object that has annexation each other is defined as same fault zone.Being about to fault object that fault concentrates is divided into inside and annexation is arranged, do not have a fault zone of annexation each other.Wherein, the fault zone can have only one.
During specific implementation, the fault collection determines that submodule can comprise: fault processing unit, object scheduling unit and fault collection determining unit.
Fault processing unit is used for according to the poll result, unreachable equipment and/or obstructed link is deposited in alarm as fault object concentrate;
The object scheduling unit, be used for leaving all fault objects that described alarm is concentrated in the unprocessed object district, and be fault with the status indicator of described object, leave other objects outside the described alarm collection in other target area, and be unknown the status indicator of described object; From the unprocessed object district, extract current object, if the state of described current object is a fault, then from described other target areas, extract and all objects that link are arranged with described current object, and leave these objects in the unprocessed object district, leave described current object in process object district simultaneously; If the state of described current object is unknown, then test the state of described current object again, if state is unreachable or obstructed, then leave described current object in the unprocessed object district, and the state of described current object changed to fault, otherwise, leave described current object in process object district; If the unprocessed object district is not empty, the next object in the described unprocessed object district as current object, and is returned and carries out described operation of extracting current object from the unprocessed object district, up to the unprocessed object district sky;
Fault collection determining unit is used in the unprocessed object district fault object in the described process object district being defined as the fault collection when empty.
Further, fault processing unit also can report described alarm module with described unreachable equipment and obstructed link, and then alarm module can be alarmed described unreachable equipment and obstructed link before unreachable alarm the to the zone.Further, it is related that alarm module also can carry out the alarm of the alarm of described unreachable equipment and described obstructed link and the inaccessible alarm in described zone fault.
In realize using, the concrete operations of each module can be consistent with the corresponding operating described in Fig. 2 and the flow process shown in Figure 3 in the device shown in Figure 4.
Be example below with the system shown in Figure 1, a network fault root during to the application technical solution of the present invention determines that example is described in detail.
Referring to Fig. 5, Fig. 5 is a network failure alarm method flow chart when using technical solution of the present invention.This flow process comprises the steps:
Step 505 owing between the fault object that above-mentioned fault is concentrated annexation is arranged all, therefore obtains a fault zone that is made of above-mentioned fault collection.
Step 507 because other networks of D-are links, are therefore concentrated this link itself and is removed, and will be defined as fault rootstock with the faulty equipment D that is positioned at above-mentioned fault zone that this link links from object of suspicion.
By the alarm association technology, the user is fault location equipment fast, shortens the cycle of troubleshooting, thereby fundamentally improve the returns of investment ratio of enterprise to network, makes things convenient for the user to carry out every business on network.
Technical scheme among the present invention also can be applied to other local area network (LAN) except can be applicable to enterprise network.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is preferred embodiment of the present invention; be not to be used to limit protection scope of the present invention; within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. definite method of a network fault root is characterized in that, this method comprises:
The monitored object that comprises equipment and/or link in the network is carried out the fault poll;
According to the poll result, the fault object that has annexation each other is defined as same fault zone;
From determined fault zone,, determine the fault rootstock of described fault zone according to the annexation of each fault object and other object;
With regional unreachable alarm of described fault rootstock as described fault zone;
Described according to the poll result, the fault object that has annexation each other is defined as a fault zone comprises:
According to the poll result, determine the fault collection of forming by all fault objects;
Concentrate from described fault, the fault object that has annexation each other is defined as same fault zone;
Described according to the poll result, determine that the fault collection of being made up of all fault objects comprises:
A, according to the poll result, unreachable equipment and/or obstructed link are deposited in alarm as fault object concentrate;
B, all fault objects that described alarm is concentrated leave the unprocessed object district in, and are fault with the status indicator of described object, leave other objects outside the described alarm collection in other target area, and be the unknown with the status indicator of described object;
C, from the unprocessed object district, extract current object, if the state of described current object is a fault, then from described other target areas, extract and all objects that link are arranged with described current object, and leave these objects in the unprocessed object district, leave described current object in process object district simultaneously; If the state of described current object is unknown, then test the state of described current object again, if state is unreachable or obstructed, then leave described current object in the unprocessed object district, and the state of described current object changed to fault, otherwise, leave described current object in process object district;
D, judge that whether described unprocessed object district is empty, if be sky, then with the fault object in the described process object district as the fault collection, otherwise, the next object in the described unprocessed object district as current object, is returned execution in step C.
2. the method for claim 1 is characterized in that, and is described from determined fault zone, according to the annexation of each fault object and other object, determines that the fault rootstock of described fault zone comprises:
From determined fault zone, will there be the fault object of annexation to be defined as the object of suspicion collection of described fault zone with the object outside the described fault zone;
The faulty equipment that the faulty link of concentrating with described object of suspicion in faulty equipment that described object of suspicion is concentrated and the described fault zone links is defined as the fault rootstock of described fault zone.
3. method as claimed in claim 2 is characterized in that, further comprises in the steps A: described unreachable equipment and/or obstructed link are alarmed;
Before alarming after described definite fault rootstock, to fault rootstock, this method further comprises: stop the alarm to described unreachable equipment and/or obstructed link.
4. method as claimed in claim 2 is characterized in that, after described definite fault rootstock, this method further comprises: it is related that described unreachable equipment and/or obstructed link and described fault rootstock are carried out fault.
5. as each described method in the claim 2 to 4, it is characterized in that, if from described each fault zone, determine and object that described fault zone is outer has the object of suspicion collection of annexation to be sky that this method further comprises: the whole network fault is alarmed.
6. the analytical equipment of a network fault root, comprising: fault poll module is used for network is comprised that the monitored object of equipment and/or link carries out the fault poll; It is characterized in that this device also comprises:
The fault zone determination module is used for according to the poll result fault object that has annexation each other being defined as same fault zone;
The fault rootstock determination module is used for from determined fault zone, according to the annexation of each fault object and other object, determines the fault rootstock of described fault zone;
Alarm module is used for regional unreachable alarm of described fault rootstock as described fault zone;
Described fault zone determination module comprises:
The fault collection is determined submodule, is used for according to the poll result, determines the fault collection of being made up of all fault objects;
Submodule is determined in the fault zone, is used for concentrating from described fault, and the fault object that has annexation each other is defined as same fault zone;
Described fault collection determines that submodule comprises:
Fault processing unit is used for according to the poll result, unreachable equipment and/or obstructed link is deposited in alarm as fault object concentrate;
The object scheduling unit, be used for leaving all fault objects that described alarm is concentrated in the unprocessed object district, and be fault with the status indicator of described object, leave other objects outside the described alarm collection in other target area, and be unknown the status indicator of described object; From the unprocessed object district, extract current object, if the state of described current object is a fault, then from described other target areas, extract and all objects that link are arranged with described current object, and leave these objects in the unprocessed object district, leave described current object in process object district simultaneously; If the state of described current object is unknown, then test the state of described current object again, if state is unreachable or obstructed, then leave described current object in the unprocessed object district, and the state of described current object changed to fault, otherwise, leave described current object in process object district; If the unprocessed object district is not empty, the next object in the described unprocessed object district as current object, and is returned and carries out described operation of extracting current object from the unprocessed object district, up to the unprocessed object district sky;
Fault collection determining unit is used in the unprocessed object district fault object in the described process object district being defined as the fault collection when empty.
7. device as claimed in claim 6 is characterized in that, described fault rootstock determination module comprises:
The object of suspicion collection is determined submodule, is used for from determined fault zone, will have the fault object of annexation to be defined as the object of suspicion collection of described fault zone with the object outside the described fault zone;
Fault rootstock is determined submodule, is used for the fault rootstock that faulty equipment that the faulty link of concentrating with described object of suspicion in faulty equipment that described object of suspicion is concentrated and the described fault zone links is defined as described fault zone.
8. device as claimed in claim 6 is characterized in that, described unprocessed object district, process object district and other target areas are: storehouse or chained list.
9. device as claimed in claim 6 is characterized in that, described fault processing unit is further used for described unreachable equipment and/or obstructed link are reported described alarm module;
Described alarm module was further used for before unreachable alarm the to the zone, and described unreachable equipment and/or obstructed link are alarmed.
10. device as claimed in claim 9 is characterized in that, it is related that described alarm module is further used for that fault is carried out in the alarm of the alarm of described unreachable equipment and/or described obstructed link and the inaccessible alarm in described zone.
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| CN2008101028583A CN101252477B (en) | 2008-03-27 | 2008-03-27 | Determining method and analyzing apparatus of network fault root |
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| CN2008101028583A CN101252477B (en) | 2008-03-27 | 2008-03-27 | Determining method and analyzing apparatus of network fault root |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102546274A (en) * | 2010-12-20 | 2012-07-04 | 中国移动通信集团广西有限公司 | Alarm monitoring method and alarm monitoring equipment in communication service |
| CN102571438B (en) * | 2012-01-16 | 2018-01-05 | 中国科学院深圳先进技术研究院 | Remote monitoring system and its automatic network diagnostic method |
| CN104734871A (en) * | 2013-12-20 | 2015-06-24 | 中兴通讯股份有限公司 | Method and device for positioning failures |
| CN104796273B (en) * | 2014-01-20 | 2018-11-16 | 中国移动通信集团山西有限公司 | A kind of method and apparatus of network fault root diagnosis |
| CN108243058B (en) * | 2016-12-27 | 2021-04-06 | 中国移动通信集团湖北有限公司 | Method and device for positioning fault based on alarm |
| CN108306747B (en) * | 2017-01-11 | 2021-07-23 | 阿里巴巴集团控股有限公司 | Cloud security detection method and device and electronic equipment |
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| 毛洪涛.基于事件的网络管理系统的研究与设计.《中国优秀硕士学位论文全文数据库》.2007,32-48. * |
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| CN101252477A (en) | 2008-08-27 |
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