CN101090296A - Diagnostic method and device for breakout of cable - Google Patents
Diagnostic method and device for breakout of cable Download PDFInfo
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- CN101090296A CN101090296A CNA2007101415219A CN200710141521A CN101090296A CN 101090296 A CN101090296 A CN 101090296A CN A2007101415219 A CNA2007101415219 A CN A2007101415219A CN 200710141521 A CN200710141521 A CN 200710141521A CN 101090296 A CN101090296 A CN 101090296A
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Abstract
This invention discloses a method for diagnosing interruption of optical cables including: obtaining the original warming information of all plant equipment in communication network to process them to self-defined warning information, selecting the information with the cable interruption characters from the self-defined information to decide that some cables have been interrupted. This invention also discloses a diagnosis device.
Description
Technical field
The present invention relates to the communications field, more particularly, relate to a kind of method for diagnosing interruption of optical cables and device.
Background technology
Communication network is after coming into operation, and each transmission line that is in each communication equipment in this communication network and is used for transmission signals all beyond thought fault might take place at any time.
Development and construction along with communication network, transmission network is more and more huger, and for the maintenance of transmission network, then more and more concentrated, the processing of circuit and equipment fault occupies very big proportion with being maintained in the maintenance work of transmission network, huge transmission network has brought inconvenience for the regular maintenance of transmission network and troubleshooting with the relative system of concentrating of safeguarding, has prolonged the time of attendant's handling failure, and operating efficiency is lower.Present transmission network has been realized the monitoring of webmaster to transmission equipment, and great impetus is played in the maintenance of transmission equipment, makes the attendant can in time recognize the fault of transmission equipment.
But an other class the fault---lightguide cable link fault for the transmission network most common failure then lacks effective detection judging means.Owing to will carry a plurality of transmission systems simultaneously on the same lightguide cable link, therefore judge whether that the penetrating method that the lightguide cable link fault takes place is, at WDM (Wavelength DivisionMultiplexing, wavelength division multiplexing) transmission system and SDH (Synchronous Digital Hierarchy, when Synchronous Digital Hierarchy) equipment of transmission system circular Cable's Fault is alarmed, the dedicated network management system of attendant by watching every kind of equipment producer simultaneously is (as the network management system of H company at its BWS320G equipment, L company is at network management system of the transmission equipment of its ADM16/1 etc.) relevant warning information, manually carry out comprehensive analysis and judgement, then can comprehensively judge the Cable's Fault position, and, after judging the generation Cable's Fault, when handling failure, also need by inquiring about relevant data to understand other information of fault section (two offices station between) optical cable, so that the goods and materials such as repairing optical cable of notifying corresponding attendant to prepare respective model are rushed to repair, so, greatly increased transmission network work of maintenance personnel amount, prolong the time of handling failure, brought great inconvenience for the repairing of Cable's Fault.
Summary of the invention
In view of this, the object of the present invention is to provide method for diagnosing interruption of optical cables and device, after solving the dedicated network management system that needs to watch respectively a plurality of equipment producer in the prior art, carry out the artificial comprehensive analysis and judgement, can diagnose out Cable's Fault, and the attendant's workload that causes is huge, the problem that fault handling time is long.
The present invention is achieved in that
A kind of method for diagnosing interruption of optical cables comprises:
The original alarm information of all the producer's equipment in the obtaining communication network;
Described original alarm information processing is become self-define of alarm information;
From self-define of alarm information, filter out interruption of optical cables feature warning information;
Determine to take place the optical cable of interruption of optical cables according to interruption of optical cables feature warning information;
When the alarm of interruption of optical cables fault signature all takes place all transmission systems on being carried on this optical cable, determine that this optical cable interrupts.
Preferably, also comprise: after determining that the optical cable of interruption of optical cables may take place, judge whether the state of described optical cable is in blocking-up or cutover state, when the state of described optical cable is not in blocking-up or cutover state, determine that this optical cable interrupts.
Preferably, in determining this optical cable generation, have no progeny, also comprise:
Generation comprises the optical cable position and is affected circuit or the failure indication information of system, and reports to the user.
Preferably, before described original alarm information processing is become self-define of alarm information, also comprise:
According to alarm level and significance level described original alarm information is filtered.
Preferably, after described original alarm information processing is become self-define of alarm information, also comprise:
According to alarm level and significance level described self-define of alarm information is filtered.
Preferably, become the implementation of self-define of alarm information to be described original alarm information processing:
Warning information is carried out self-defined classification according to semanteme, the alarm of identical semanteme is classified as self-defined alarm.
Preferably, also comprise:
According to the time window that sets in advance described warning information or self-defined alarm are screened.
Preferably, determine to take place the optical cable of interruption of optical cables according to following steps:
Determine to take place the equipment that the alarm of interruption of optical cables fault signature takes place;
Find opposite end topology associate device by the topological relation of retrieving this equipment;
Judge whether this generation interruption of optical cables fault signature alarm equipment and opposite end topology associate device hardware fault all takes place, if not, determine that then the optical cable between this equipment place office station is the optical cable that interruption of optical cables possible take place.
The present invention also discloses a kind of interruption of optical cables diagnostic device, comprising:
The alarm data acquiring unit is used for obtaining original alarm information from each producer's dedicated network management system;
The alarm filtering unit is used for obtaining interruption of optical cables feature warning information from described original alarm information;
Diagnosis unit, be used for according to described interruption of optical cables feature warning information, determine to take place the optical cable of outage, when knowing that the alarm of interruption of optical cables fault signature all takes place all transmission systems that are carried on this optical cable, determine that this optical cable interrupts, send diagnostic result;
The self-defining data storehouse is used to preserve the diagnostic result of above-mentioned original alarm information, interruption of optical cables feature warning information and diagnosis unit.
Preferably, described device also comprises:
Failure indication information report unit, be used for receive described diagnosis unit judge optical cable generation interruption of optical cables as a result the time, will be used to indicate this result's failure indication information to report to the user.
Preferably, described diagnosis unit comprises:
Candidate's optical cable judging unit, be used for determining to take place the equipment that the alarm of interruption of optical cables fault signature takes place according to interruption of optical cables feature warning information, find opposite end topology associate device by the topological relation of retrieving this equipment, when hardware fault does not all take place in the topological associate device of this generation interruption of optical cables fault signature alarm equipment and opposite end, optical cable between this equipment and the opposite end topology associate device is defined as taking place the optical cable of interruption of optical cables, otherwise, to failure indication information report unit transmitting apparatus hardware fault information;
The interruption of optical cables determining unit, be used for the optical cable that outage may take place definite according to candidate's optical cable judging unit, when whether all transmission systems on being carried on this optical cable the alarm of interruption of optical cables fault signature all takes place, determine this optical cable generation outage, send interruption of optical cables information to failure indication information report unit report, this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.
Preferably, described device also comprises:
Optical cable state judging unit, be used to inquire about the state information of the definite optical cable that may interrupt of described diagnosis unit, judge whether described optical cable is in cutover or blocking state, when optical cable is in cutover or blocking state, to failure indication information report unit report optical cable cleft grafting information;
Described diagnosis unit is knowing that the alarm of interruption of optical cables fault signature all takes place all transmission systems that are carried on this optical cable, and when described optical cable is not in cutover or blocking state, determine that this optical cable interrupts, to the interruption of optical cables information of failure indication information report unit report eliminating cutover, this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.
Preferably, described alarm filtering unit comprises:
The normalization unit is used for according to the warning information table of comparisons that sets in advance warning information being carried out self-defined classification according to semanteme, and the warning information of identical semanteme is carried out normalized, obtains self-define of alarm information;
Optical cable feature alarm filtering unit is used for filtering out the warning information that meets the interruption of optical cables judgment rule from described self-define of alarm information.
Preferably, described alarm filtering unit also comprises:
Alarm level screening unit is used for filtering out urgent, important warning information according to alarm level at warning information, and offers the normalization unit.
Preferably, described alarm filtering unit also comprises:
The time window filter element is used for filtering out warning information in some time periods from original alarm information, and offers alarm level screening unit.
As can be known from the above technical solutions, with respect to prior art, the present invention carries out normalized with the similar urgent significant alarm information of equipment in the various transfers net system of optical cable carrying, be converted into self-define of alarm information, be a kind of method of the information of obtaining of classifying automatically as required, improved the efficient of obtaining useful information effectively; By press alarm level, by the interruption of optical cables diagnostic rule, press the further method of filtering information by different level of time window, dwindled the screening scope again greatly, thus the optical cable of location generation outage fast; Further increase the judgement of optical cable hardware fault and current optical cable state, improved the correctness of diagnosis optical cable.Utilize the present invention, set up the warning information Screening Treatment mechanism of intelligence, correctly diagnose out the optical cable that breaks down rapidly, thereby instruct attendant's handling failure apace.The attendant need not watch a plurality of dedicated network management systems simultaneously respectively, does not need to go to judge Cable's Fault by the artificial comprehensive analysis, thereby has shortened the Cable's Fault processing time, has reduced the work of maintenance personnel amount.
Description of drawings
Fig. 1 is the flow chart of the embodiment one of a kind of method for diagnosing interruption of optical cables of the present invention;
Fig. 2 is the illustraton of model of optical cable bearing system in certain communication network;
Fig. 3 is the flow chart of the embodiment two of a kind of method for diagnosing interruption of optical cables of the present invention;
Fig. 4 is the structural representation of the embodiment three of a kind of method for diagnosing interruption of optical cables of the present invention;
Fig. 5 is the structural representation of the embodiment one of a kind of interruption of optical cables diagnostic device of the present invention;
Fig. 6 is the structural representation of the alarm filtering unit of the embodiment two of a kind of interruption of optical cables diagnostic device of the present invention;
Fig. 7 is the structural representation of the alarm filtering unit of the embodiment three of a kind of interruption of optical cables diagnostic device of the present invention;
Fig. 8 is the structural representation of the embodiment four of a kind of interruption of optical cables diagnostic device of the present invention;
Fig. 9 is the structural representation of the diagnosis unit of the embodiment five of a kind of interruption of optical cables diagnostic device of the present invention;
Figure 10 is the structural representation of the embodiment six of a kind of interruption of optical cables diagnostic device of the present invention;
Figure 11 is the structural representation of the alarm filtering unit of the embodiment seven of a kind of interruption of optical cables diagnostic device of the present invention.
Embodiment
Basic thought of the present invention is: the original alarm information of all the producer's equipment in the obtaining communication network, this original alarm information processing is become self-define of alarm information, and in described self-define of alarm information, filter out interruption of optical cables feature warning information; Determine to take place the optical cable of interruption of optical cables, when the alarm of interruption of optical cables fault signature all takes place all transmission systems on being carried on this optical cable, determine that this optical cable interrupts.
The basic communication network of majority of network operator is to be set up by the network equipment that how tame manufacturer provides to form, equipment fault for same type, fault warning information from the network equipment of different manufacturers is different, the failure identification that correspondingly is used to identify this fault occurrence positions also can be different, for example: receiving optical signals takes place certain position on optical cable loses, the failure identification of the network equipment that H company makes is R_LOS, and the failure identification of the network equipment that L company makes is STM16cLOS.
And even if the network equipment that is provided by same manufacturer, if adopt different optical transport technologys, for example: SDH network, or WDM network, or the network that combines with WDM of SDH, for the fault occurrence positions of same type, its corresponding failure identification also can difference.
Method according to prior art, the communication network that forms is provided at the network equipment that provides by how tame manufacturer, the network maintenance staff is if correctly diagnose network failure, the fault message that just must gather the dedicated network management system of various network device correspondence, carry out comprehensive analysis and judgement, if for example the network element of the network equipment BWS320G wavelength-division system of H company breaks down then has the network management system of H company to report alarm information of net element in the communication network, if breaking down, the transmission equipment of the ADM16/1 of L company have the network management system of L company to report alarm information of net element, the network maintenance staff need check this two kinds of network management system respectively, consult this two producer's device fault information handbooks respectively, understand the sign and the implication of every kind of fault, by manually carrying out analysis-by-synthesis, thereby the fiber break network failure is diagnosed.
In the present invention, the fault warning information of dedicated network management system of obtaining each producer is as basic raw information, set up the warning information Screening Treatment mechanism of intelligence, correctly diagnose out the optical cable that breaks down rapidly, thereby instruct attendant's handling failure apace.
In the present invention, the original alarm information of the network equipment that will provide from different manufacturers is carried out normalized, that is to say, the fault warning information processing of the network equipment that different manufacturers is provided becomes self-define of alarm information, reaches rapidly the various warning information of the different manufacturers purpose by the fault message content classification.Among the present invention, in order to improve the performance of screening warning information, can take the screening mode of several multilayer, pass through alarm level, time window, interruption of optical cables judgment rule etc., from the warning information of a large amount of vastnesses, to filter out the interruption of optical cables warning information, thereby find out candidate's fault optical cable that Cable's Fault may take place, again according to the consistency of the warning information that is reflected in the multiple producer facility network guard system, and judge that the state that hardware fault is not in cutover had not yet both taken place candidate's fault optical cable, so diagnosable have candidate's fault optical cable of finding out Cable's Fault take place really.
The process of carrying out normalized is such, sets up the warning information table of comparisons, in order to the foundation as normalized.The described warning information table of comparisons is the standard alarm with reference to ITU_T (internationaltelecommunication union, International Telecommunications Union), is provided with after the warning information feature of each producer's dedicated network management system of analysis-by-synthesis.According to the alarm list that producer provides, the implication of corresponding every alarm is treated to the standard alarm title of ITU_T, forms producer's warning information table of comparisons; Gather each producer's warning information table of comparisons, find out the alarm of identical content, classify as a unified class self-define of alarm information, form the warning information table of comparisons.
For example: the warning information of L company equipment is R_LOS, and outage appears in certain section optical cable in the expression network, and (one or more of following situation might appear in reason equally that cause: 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault), the warning information of L company equipment is STM16cLOS, and (one or more of following situation equally might network appear in the reason that causes: 1, interruption of optical cables to represent in the network outage to occur by certain section optical cable equally; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault), then can create self-define of alarm information LOS and alarm description, and form the warning information table of comparisons, as shown in table 1:
Table 1
| Table 1 transmission system | Warning code | Producer's alarm name | Alarm description | Self-defined alarm name |
| The SDH system | The warning code of L company equipment | STM16cLOS | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. | LOS |
| The SDH system | The warning code of H company equipment | R_LOS | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. | LOS |
Normalized will be handled original alarm information one by one according to this table in this example, select because interruption of optical cables, Line Attenuation are excessive, distance station sends partial fault, circuit sends the warning information that reasons such as failure, distance station cross board fault or not on the throne, distance station clock board fault report.
In order further to filter out the alarm that reports by the interruption of optical cables fault, according to the alarm consistency characteristics that a plurality of network management system that same optical cable carried reflect jointly, further screening principle is to make the interruption of optical cables alarm regulation according to maintenance experience in the past to select the interruption of optical cables alarm.
Comprise many interruption of optical cables alarm regulations in the interruption of optical cables alarm regulation table.
The rule that the alert analysis that the alarm regulation of interruption of optical cables is the attendant when on the network interruption of optical cables taking place sums up out.For example infer the interruption of optical cables alarm according to the equipment NE type on the network, the topological relational structure that reflects annexation between the network element, self-define of alarm information etc., such rule can define a plurality of, these rules can be configured according to the configuring condition of network and adjust, and form interruption of optical cables alarm regulation table.For example, interruption of optical cables alarm regulation:
Rule 1:
If port of the ADM network element of a SDH transmission system with exist the self-defined alarm name of another port when interruption of optical cables takes place of another one ADM network element in the same transmission system of topological incidence relation identical with this network element, all be the LOS alarm, then this alarm LOS belongs to the alarm of interruption of optical cables feature.
Rule 2:
If port of the ADM network element of a SDH transmission system with exist the self-defined alarm name of another port when interruption of optical cables takes place of another one REG network element in the same transmission system of topological incidence relation identical with this network element, all be the LOS alarm, then this alarm LOS belongs to the alarm of interruption of optical cables feature.
Table 2
| Rule numbers | Device type (A end) | NE type (A end) | Alarm name | Device type (B end) | NE type (B end) | Alarm name |
| 1 | ?SDH | ?ADM | ?LOS | ?SDH | ?ADM | ?LOS |
| 2 | ?SDH | ?ADM | ?LOS | ?SDH | ?REG | ?LOS |
Can understand from the content of table 2, for rule 1, A, B two ends neighbouring device with topological incidence relation are SDH equipment, and NE type all is ADM, and simultaneous alarm that is called LOS, and then this alarm LOS belongs to the alarm of interruption of optical cables feature.For rule 2, all be SDH equipment if having A, the B two ends of topological incidence relation, the NE type of A end is ADM, and the NE type of B end is REG, and the LOS alarm all takes place, and then this alarm LOS belongs to the alarm of interruption of optical cables feature.
Those skilled in the art will be understood that the rule in the table only is two in a plurality of judgment rules.
All store the mapping table of optical cable and transmission equipment port in existing each transmission network management system, how to generate this mapping table and belong to prior art, do not repeat them here.The mapping table of optical cable among the present invention and transmission equipment port is the set of the mapping table of the optical cable of each transmission network management system in the existing network and transmission equipment port, and this table comprises optical cable title or ID number, transmission equipment port numbering, port position, the transmission system of carrying.As shown in table 3:
Table 3
| Optical cable title or ID | Fiber core sequence number or ID under the optical cable | The transmission equipment port numbering | Port position | The attribute of port | The optical cable state |
| 1 | ?1 | The DK1-A port | Machine room 1/2 plate position | Carrying WDM transmission system | 1, normal 2, cutover or blocking-up |
| 1 | ?2 | The DK2-B port | Machine room 2/16 plate position | Carrying SDH transmission system | 1, normal 2, cutover or blocking-up |
The attribute of transmission equipment port has provided the transmission system that optical cable carried in the table, thereby can draw all transmission systems that are carried on this optical cable.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 shows a kind of preferred flow of method for diagnosing interruption of optical cables of the present invention.
This basic procedure may further comprise the steps:
Step S101: the original alarm information of all the producer's dedicated network management systems in the obtaining communication network.
Original alarm information can be obtained from existing transmission network management system, also can directly obtain from producer's dedicated network management system.
Step S102: in described original alarm information, filter out urgent and important warning information, filter out general non-significant alarm.
In communication network, when communication equipment or transmission line break down, can produce a large amount of fault warning information usually.But we only need to be concerned about urgent and significant alarm, can extract urgent and important warning information from described warning information according to alarm level.
Step S103: urgent information processing becomes self-define of alarm information with significant alarm with described.
To be processed into self-define of alarm information from the warning information of the network equipment of different manufacturers, the mode of processing is: according to the predefined warning information table of comparisons, warning information is carried out normalized.For example:, this warning information is classified into the self-define of alarm information that alarm name is LOS when receiving alarm name when being warning information such as STM16cLOS or R_LOS.
Step S104:, in self-define of alarm information, filter out interruption of optical cables feature warning information with reference to predefined interruption of optical cables alarm regulation table.
Comprised the alarm name that has topological incidence relation in the alarm regulation table 2 of above interruption of optical cables,, can filter out LOS interruption of optical cables feature warning information according to these information.
Described interruption of optical cables feature warning information comprises the information that is used to indicate the alarm occurrence positions, and for example port is alarmed, and indicates the optical port position of equipment.
Step S105: the optical cable of determining to take place outage.
Indicate the definite device port that this interruption of optical cables feature warning information takes place of information of alarm occurrence positions according to being used in the described interruption of optical cables feature warning information, obtain the port information in the warning information, according to the port in the mapping table (table 3) of optical cable that sets in advance and transmission equipment port and the corresponding relation of optical cable, determine to take place the optical cable of interruption of optical cables.
Step S106: determine to be carried on all transmission systems on this optical cable.
Set up the basic communication network that forms for the network equipment that provides by how tame manufacturer, one section multiple transmission system of the very possible carrying of optical cable.The mapping table of inquiry optical cable and transmission equipment port draws all transmission systems of carrying on this optical cable according to wherein port device attribute.
Step S107: when the alarm of interruption of optical cables fault signature all takes place all transmission systems of this optical cable carrying, determine that this optical cable interrupts.
Below by a specific embodiment technical scheme of the present invention is further described in detail.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the illustraton of model of optical cable bearing system in certain communication network; Fig. 3 is the flow chart of the embodiment one of a kind of Cable's Fault localization method of the present invention.
As shown in Figure 2, office station 21,22 drawn game stations 23, office station be three offices stations of transmission network, stand with office and link to each other by optical cable between 23 with office station 22, office station 22 in office station 21; Network element 11, network element 12 belong to two network elements of the BWS320G wavelength-division system of H company, and wherein, network element 11 is in office station 21, and network element 12 is in office station 23; Network element 31, network element 32 and network element 33 are the transmission equipment of the ADM16/1 of L company, belong to the SDH system, and wherein, network element 31 is in office station 21, and network element 32 is in office station 22, and network element 33 is in office station 23; The BWS320G wavelength-division system of H company directly is carried on above the optical cable, and the SDH system of L company directly is carried on above the optical cable.
At above-mentioned network,, optical cable is detected according to following diagnostic process with reference to figure 3:
Step S201: obtain all original alarm information in the described communication network in real time.
May comprise in the described original alarm information from H company network management system and obtain the warning information that comes or/and obtain next warning information from L company network management system.
Suppose that warning information is as shown in table 4:
Table 4
| Warning code | Producer's alarm name | The alarm grade | Alarm description |
| The warning code of the equipment of L company | STM16cLOS R_LOS | Promptly | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. |
| The warning code of the equipment of H company | R_LOS | Promptly | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. |
| The warning code of the equipment of L company | TU-12AIS | Generally | The business configuration mistake |
| The warning code of the equipment of H company | B2-SD | Generally | The Signal Degrade indication |
| The warning code of the equipment of H company | AU-AIS | Seriously | The business configuration mistake |
Step S202: filter out urgent and important warning information.
The alarm level of general interruption of optical cables fault all is urgent and significant alarm, therefore, can utilize alarm level to filter out urgent, important equipment alarm from the original alarm information that obtains.
Because the alarm quantity that network produces is very many, the embodiment of the invention adopts and filters out urgent, important alarm according to alarm level earlier from a large amount of alarms, go to filter coupling according to the interruption of optical cables diagnosis rule again, dwindle candidate's scope of interruption of optical cables fault warning, can improve the operational efficiency of system.From table 4, filter out urgent, significant alarm information, i.e. STM16cLOS, R_LOS and AU-AIS.
Step S203: warning information is made normalized.
After warning information carried out self-defined classification according to semanteme,, determine and the corresponding self-define of alarm information of described warning information according to the warning information table of comparisons.This warning information table of comparisons is as shown in table 5:
Table 5
| Warning code | Producer's alarm name | The alarm grade | Self-defined alarm name | Alarm description |
| The warning code of the equipment of L company | STM16cLOS R_LOS | Promptly | LOS | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. |
| The warning code of the equipment of H company | R_LOS | Promptly | LOS | 1, interruption of optical cables; 2, Line Attenuation is excessive; 3, distance station sends partial fault, and circuit sends failure; 4, distance station cross board fault or not on the throne; 5, distance station clock board fault. |
| The warning code of the equipment of H company | AU alarms indication | Seriously | AU-AIS | 1, the opposite end sends AU-AIS 2, the opposite end sends partial fault |
From table 5 content as can be known, when the name of warning information is called STM16cLOS or R_LOS, the name of determining the self-define of alarm information that it is corresponding according to warning content is called LOS, and when the name of alarm was called " AU alarms indication ", the name of corresponding self-define of alarm information was called AU-AIS.
Step S204: filter out interruption of optical cables feature warning information.
From self-defining warning information, reference cable interrupts the alarm regulation table and filters out interruption of optical cables feature warning information.
According to interruption of optical cables alarm regulation table, as shown in table 2, LOS meets the interruption of optical cables judgment rule, and AU-AIS does not meet the interruption of optical cables judgment rule, so filter out AU-AIS, LOS is defined as the alarm of interruption of optical cables feature.
According to the corresponding alarm description of the self-defined alarm of LOS, determine current contingent following failure condition:
1, interruption of optical cables;
2, Line Attenuation is excessive;
3, distance station sends partial fault, and circuit sends failure;
4, distance station cross board fault or not on the throne;
5, distance station clock board fault.
Step S205: port and the Peer-Port of determining to take place warning information.
The port of described interruption of optical cables fault signature warning information determine to take place, and determines and there is the Peer-Port of topological incidence relation in this port.
Comprise port information in the interruption of optical cables warning information,, can find the Peer-Port of this port with reference to the topology relation table in the self-defining data storehouse.
This topology relation table example is as shown in table 6.Represent the attribute of a port with element name/plate position/disc-type/port in the table.31/2/L16.1/1 implication be the 1st port of the 2 plate positions (disc-type is L16.1) of 31 network elements.The 1st port that means the 16 plate positions (disc-type is L16.3) of the 1st port of 2 plate positions (disc-type is L16.1) of 31 network elements and 32 network elements in the table is the Peer-Port that has topological relation.
Table 6
| The A end | The B end |
| 31/2/L16.1/1 | 32/16/L16.3/1 |
Step S206: judge whether this port and described Peer-Port hardware fault takes place, if, generate and send the failure indication information of device hardware fault, enter step S207; Otherwise, enter step S208.Can inquire the hardware fault of equipment according to the fault message that obtains among the step S201.
Step S207: report optical cable diagnostic result.
Report to subscriber optical cable failure diagnosis task executions result-do not have Cable's Fault information or interruption of optical cables.
Step S208: determine to send out the optical cable that interrupts.
Determine that the optical cable between this port and the described Peer-Port is the optical cable that interruption of optical cables possible take place.
According to the indication of the topological relation shown in the table 6, inquire about all current alarms at 21 drawn game stations 22, described office station.
Suppose that the warning information that inquires is as shown in table 7:
Table 7
| Warning position | Alarm name |
| 31/2/L16.1/1 | STM16cLOS |
| 31/2/L16.1/1 | MS16cAIS |
| 32/16/L16.3/1 | STM16cLOS |
| 32/16/L16.3/1 | MS16cAIS |
The result of the fault message inquiry from fault management, equipment/the network element (network element 31, network element 11 and network element 32) that can judge described office station is in the current hardware fault that all do not take place, do you from what information know? get rid of above-mentioned alarm description the 3rd, 4,5 kind of situation, thereby determine that interruption of optical cables may take place the optical cable between this port and the described Peer-Port.
Step S209: all transmission systems of inquiring about this optical cable carrying.
The optical cable in the inquiry self-defining data storehouse and the mapping table of transmission equipment port are determined the transmission system 1 that managed network element 31/ network element 32/ network element 33 (the 31,32, the 33rd, the SDH element name) is arranged of carrying on the optical cable between described network element 31 and the network element 32 and the transmission system 2 of managed network element 11/ network element 12.
Step S210: judge whether all transmission systems have all reported the alarm of light path outage feature, if enter step S211; Otherwise, generate and send and do not find possible light path outage information, enter step S207.
Step S211: determine this optical cable generation interruption of optical cables fault, generate and send and comprise the optical cable position and be affected circuit or the failure indication information of system, enter step S207.
Clearly, interruption of optical cables fault signature warning information comprises STM16cLOS or R_LOS, that is to say, the alarm of interruption of optical cables fault signature has all taken place for the SDH system of described optical cable carrying and wavelength-division system, then can determine this optical cable generation interruption of optical cables fault.
After definite optical cable generation interruption of optical cables, generate the interruption of optical cables fault message, and described fault message is preserved, feed back to this interruption of optical cables fault message of user.This interruption of optical cables fault message can be as shown in the table:
Table 8
| Fault type | The fault rank | Source of trouble producer | Responsible department |
| The source of trouble | Fault section | Time of failure | The system that is affected |
| The circuit that is affected |
Fault type is: Cable's Fault.
Fault level is: urgent.
Source of trouble producer is: the source of trouble producer of Cable's Fault.
Fault section is: the A of optical cable holds between the B end.
Time of failure is: the time started of interrupt diagnostic alarm.
The system that is affected is: the transmission system of carrying on the optical cable.
The circuit that is affected is: according between discontinuity area and the business configuration situation, and the circuit that is affected.
By above-mentioned flow process, the network maintenance staff promptly and accurately in the awareness network which section optical cable interrupt information such as interruption of optical cables fault scene, time of origin, the system that is affected and circuit, in time handling failure, shorten fault handling time, improved maintenance levels.
Need to prove, the screening rule that filters out the Cable's Fault warning information in a plurality of warning information not only can be set according to alarm level, alarm type, can also filter according to time of origin, setting-up time window for example, time window is carried out analysis-by-synthesis with interior alarm, and, then do not need to analyze the correlation of alarm to the alarm outside the time window.So, can improve the accuracy and the speed of accident analysis.The principle that time window is set is that a series of alarms that are mutually related only produce in the regular hour section.During interruption of optical cables, meeting produces a large amount of alarms in very short a period of time, filters and analyze interruption of optical cables according to rule from interior during this period of time alarm to be only significant.If surpassed the alarm of the time period of this time window setting, put together and carry out filter analysis, also may produce the alarm that meets the interruption of optical cables rule, but not be that interruption of optical cables causes.Therefore, need this time window to improve the accuracy of analysis.
Because the composition of network is various, therefore exist the time of origin of the alarm of correlation also to there are differences, so can form situation setting-up time window according to network.General time window was set between 10～50 seconds.
Need to prove that the mode of obtaining the warning information of all the producer's equipment in the described communication network among the above-mentioned steps S201 can be regularly to obtain, and also can obtain in real time according to network maintenance staff's demand.
The network maintenance staff is when carrying out fault recovery to cable, optical cable need be carried out artificial cutover or blocking-up, this optical cable diagnosed when optical cable is carried out fault recovery the network maintenance staff and there is no need, so for fear of when optical cable is carried out fault recovery, this optical cable being diagnosed the network maintenance staff, after determining that the optical cable of interruption of optical cables may take place, enter step S2081.Please refer to Fig. 4, be the flow chart of the embodiment two of method for diagnosing interruption of optical cables of the present invention.
Step S2081: inquire about this optical cable and whether be in cutover or blocking state, if, send and send the information that this optical cable is in cutover or blocking state, enter step S207; Otherwise, enter step S209.
The embodiment of the invention, obtaining fault warning information, and after therefrom filtering out urgent, important warning information, convert this warning information to self-defined alarm, and determine that in this self-defined alarm the alarm of interruption of optical cables feature, attendant need not to watch simultaneously a plurality of equipment producer private network guard system, just can diagnose the optical cable of communication network, thereby reduce the time overhead of alarm correlation analysis, improve the processing speed of system.
The present invention also discloses a kind of interruption of optical cables trouble-shooter, be used to carry out above flow process, please refer to Fig. 5, be the structural representation of the embodiment one of a kind of interruption of optical cables trouble-shooter of the present invention.
This device comprises alarm data acquiring unit 101, alarm filtering unit 102 and diagnosis unit 103 and self-defining data storehouse 104.
Original alarm information, the warning information table of comparisons, interruption of optical cables alarm regulation table, optical cable and the mapping table of transmission equipment port and the topological incidence relation table of network are stored in described self-defining data storehouse 104, also store the diagnostic result of above-mentioned original alarm information, interruption of optical cables feature warning information and diagnosis unit 103.
The acquisition process of the mapping table of the described warning information table of comparisons, interruption of optical cables alarm regulation table, optical cable and transmission equipment port and the topology relation table of network was described in detail in the said method part, did not repeat them here.
The course of work of this device is as follows:
Described alarm data acquiring unit 101 obtains all original alarm information of each producer's network management system in the network, is saved in the self-defining data storehouse 104.The method of obtaining can comprise two kinds: obtain from the data acquisition system of existing transmission network management system, perhaps directly obtain from producer's dedicated network management system.
Described alarm filtering unit 102 can comprise normalization unit 1021 and optical cable feature alarm filtering unit 1022, as shown in Figure 6, is the structural representation of the alarm filtering unit of the embodiment two of a kind of interruption of optical cables trouble-shooter of the present invention.Described normalization unit 1021 carries out self-defined classification with warning information according to semanteme, and the warning information of identical semanteme is carried out normalized, obtains self-define of alarm information; Optical cable feature alarm filtering unit 1022 filters out the warning information that meets the interruption of optical cables judgment rule from described self-define of alarm information.
Because the number of devices in the communication network is a lot, the reason that breaks down is also a lot, and same fault can present with multiple warning information form, so, when communication equipment or transmission line break down, can produce a large amount of fault warning information usually.So the fault warning information content that alarm data acquiring unit 101 gets access to is very large.Screen a large amount of warning information, this has influenced diagnosis speed to a certain extent, in order to address this problem, can realize quick diagnosis, the alarm filtering unit 102 of this device can further include alarm level screening unit 1023, please refer to Fig. 7, structural representation for the alarm filtering unit 102 of interruption of optical cables trouble-shooter embodiment three of the present invention, this alarm level screening unit 1023 can be used for filtering out urgent, important warning information from described original alarm information, offers normalization unit 1021; Another kind of feasible mode is that the self-define of alarm information that obtains after also can handling at normalization unit 1021 carries out the alarm level screening.Because the alarm level of general interruption of optical cables fault all is urgent and significant alarm, alarm type all is equipment alarm, therefore, can utilize general alarm type, alarm level information sifting to go out urgent, important equipment alarm from the warning information that obtains.
This device can also comprise failure indication information report unit 105, as shown in Figure 8, is the structural representation of the embodiment four of a kind of interruption of optical cables trouble-shooter of the present invention.
On the basis of the foregoing description, the present invention can also comprise failure indication information report unit 105, described failure indication information report unit 105 obtains the diagnostic result that diagnosis unit 103 sends, the feedback information that the indication optical cable is in interruption is given the user, the mode of feedback can be to notify the user with the form of literal or chart, also can inform the user by sound.
The information that this failure indication information comprises is as shown in table 8.
Fig. 9 shows the structural representation of the diagnosis unit of the embodiment of the invention five.
The interruption of optical cables feature warning information that candidate's optical cable judging unit 1031 filters out according to alarm filtering unit 102, determine to take place the equipment that the alarm of interruption of optical cables fault signature takes place, topology relation table by this equipment of retrieve stored in self-defining data storehouse 104 finds opposite end topology associate device, and detect this equipment and opposite end topology associate device whether hardware fault all takes place, when if hardware fault all takes place in this equipment and opposite end topology associate device, the indication information of transmitting apparatus hardware fault is given diagnosis unit 103, if hardware fault does not all take place in this equipment and opposite end topology associate device, determine that then the optical cable between the topology associate device of this equipment and opposite end is the optical cable that interruption of optical cables possible take place, and the indication information that sends interruption of optical cables is to diagnosis unit 103, and this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.
Interruption of optical cables determining unit 1032 receives the information that candidate's optical cable judging unit 1031 sends over, and when this indication information indication optical cable terminal device all hardware fault takes place, finishes diagnostic process, and sends diagnostic result.Indicate the optical cable that may interrupt when this indication information, be stored in optical cable in the self-defining data storehouse 104 and the mapping table (as table 3) of transmission equipment port is judged all transmission systems of carrying on this optical cable by inquiry, and judge whether described all transmission systems the alarm of interruption of optical cables feature all takes place, if, determine that this optical cable interrupts, and send diagnostic result.
Figure 10 shows the structural representation of the embodiment of the invention six.
Because generally speaking, the network maintenance staff keeps in repair optical cable through regular meeting, and at this moment, this optical cable is in cutover or blocking state, in this case, there is no need this optical cable is diagnosed.In order to obtain optical cable diagnostic result more accurately, on the basis of the foregoing description, the present invention can also comprise optical cable state judging unit 106, be used for after knowing the optical cable that interruption of optical cables may take place that described diagnosis unit 103 is determined, by the optical cable state in the self-define of alarm information of inquiry self-defining data storehouse 104 storages, judge whether described optical cable is in cutover or blocking state, and judged result is stored in described self-defining data storehouse 104, perhaps directly offer diagnosis unit 103; Described diagnosis unit 103 obtains this judged result, when knowing that the alarm of interruption of optical cables fault signature all takes place all transmission systems that are carried on this optical cable, and when described optical cable is not in cutover or blocking state, determine that this optical cable interrupts, send the interruption of optical cables information of getting rid of cutover to failure indication information report unit, this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.When if this optical cable is in cutover or blocking state, determine that this optical cable is in cutover or blocking state, send optical cable cleft grafting information to failure indication information report unit.Described failure indication information report unit 105 will be used to indicate optical cable to take place to interrupt or optical cable is in the feedback information of cutover or blocking state to the user.
Figure 11 shows the structural representation of alarm filtering unit of the embodiment seven of a kind of interruption of optical cables trouble-shooter of the present invention.
The alarm filtering unit 102 of this device can also comprise time window filter element 1024, be used for warning information that alarm data acquiring unit 101 is obtained, or screen unit 1023 through alarm level and screen urgent, the important warning information that draws, or filter by self-define of alarm information, draw the warning information in some time periods, improved the accuracy and the speed of accident analysis.
Because the composition of network is various, therefore exist the time of origin of the alarm of correlation also to there are differences, so can form situation setting-up time window according to network.
Below by object lesson the present invention is further described.
The illustraton of model of supposing optical cable bearing system in certain communication network as shown in Figure 2.
Suppose that the optical cable that office stands between the 21 drawn game stations 22 interrupts.Alarm data acquiring unit 101 obtains all warning information in the communication network described in this communication network, the warning information that may comprise H company network management system in for example described warning information is or/and the warning information of L company network management system, and warning information can reference table 4.Alarm level screening unit 1023 is being that equipment alarm, alarm level are urgent and important according to alarm type, and the fault warning information that filters out is: STM16cLOS, R_LOS and AU alarm indication.After normalization unit 1021 couples of above-mentioned STM16cLOS, R_LOS and AU alarm indication are classified according to semanteme, according to the warning information of determining in the alarm table of comparisons (please refer to table 5) to be complementary, as LOS and AU-AIS with described warning information.
Comprise fault occurrence positions information in the described self-define of alarm information.
Optical cable feature alarm filtering unit 1022 filters out interruption of optical cables feature warning information, LOS according to the interruption of optical cables alarm regulation table in the self-defining data storehouse 104.
Diagnosis unit 103 is according to this interruption of optical cables feature warning information LOS, determine to take place the network element 31 of this fault warning, the inquiry topology relation table finds the Peer-Port (network element 32) that has topological incidence relation with this network element 31, this topology information is as shown in table 6, and judges whether this network element 31 and network element 32 the hardware fault alarm takes place.And the current alarm information of extraction network element 31 and network element 32, whether judge to exist in the described current alarm information is used to indicate network element 31 and network element 32 that the information of hardware fault takes place, when not having this information, determine that the optical cable between the 21 drawn game stations 22, office station is the optical cable that interruption of optical cables possible take place.Described optical cable state judging unit 106 by storehouse 104 storages of inquiry self-defining data optical cable and the optical cable state in the mapping table (as table 3) of transmission equipment port, judge whether this optical cable is in cutover or blocking state, and the result offered diagnosis unit 103, this diagnosis unit 103 is according to the mapping table of optical cable in the self-defining data storehouse 104 and transmission equipment port, draw the transmission system of carrying on the described optical cable SDH system that comprises network element 31/ network element 32/ network element 33 and the wavelength-division system that comprises network element 11/ network element 12 are arranged, judge on the position of network management system correspondence of the network management system of SDH system and wavelength-division system and whether all circulate a notice of interruption of optical cables fault signature warning information, if, and know that optical cable state judging unit 106 judges this optical cable and be not in cutover or blocking state, judge network element 31 and network element 32 simultaneously hardware fault when alarm all do not take place, can determine that then this optical cable interrupts.
The embodiment of the invention, obtaining fault warning information, and after therefrom filtering out interruption of optical cables fault signature warning information, this interruption of optical cables fault signature warning information is processed into self-define of alarm information, the attendant need not to watch simultaneously a plurality of network management systems, just can diagnose the optical cable of communication network, thus the expense of minimizing alarm correlation analysis, the processing speed of raising system.
More than disclosed only be preferred implementation of the present invention; but the present invention is not limited thereto; any those skilled in the art can think do not have a creationary variation, and, all should drop in protection scope of the present invention not breaking away from some improvements and modifications of being done under the principle of the invention prerequisite.
Claims (15)
1, a kind of method for diagnosing interruption of optical cables is characterized in that, comprising:
The original alarm information of all the producer's equipment in the obtaining communication network;
Described original alarm information processing is become self-define of alarm information;
From self-define of alarm information, filter out interruption of optical cables feature warning information;
Determine to take place the optical cable of interruption of optical cables according to interruption of optical cables feature warning information;
When the alarm of interruption of optical cables fault signature all takes place all transmission systems on being carried on this optical cable, determine that this optical cable interrupts.
2, the method for claim 1, it is characterized in that, also comprise: after determining that the optical cable of interruption of optical cables may take place, judge whether the state of described optical cable is in blocking-up or cutover state, when the state of described optical cable is not in blocking-up or cutover state, determine that this optical cable interrupts.
3, the method for claim 1 is characterized in that, has no progeny in determining this optical cable generation, also comprises:
Generation comprises the optical cable position and is affected circuit or the failure indication information of system, and reports to the user.
4, the method for claim 1 is characterized in that, before described original alarm information processing is become self-define of alarm information, also comprises:
According to alarm level and significance level described original alarm information is filtered.
5, the method for claim 1 is characterized in that, after described original alarm information processing is become self-define of alarm information, also comprises:
According to alarm level and significance level described self-define of alarm information is filtered.
6, as any described method of claim 1 to 5, it is characterized in that, become the implementation of self-define of alarm information to be described original alarm information processing:
Warning information is carried out self-defined classification according to semanteme, the alarm of identical semanteme is classified as self-defined alarm.
7, method as claimed in claim 6 is characterized in that, also comprises:
According to the time window that sets in advance described warning information or self-defined alarm are screened.
8, method as claimed in claim 7 is characterized in that, determines to take place the optical cable of interruption of optical cables according to following steps:
Determine to take place the equipment that the alarm of interruption of optical cables fault signature takes place;
Find opposite end topology associate device by the topological relation of retrieving this equipment;
Judge whether this generation interruption of optical cables fault signature alarm equipment and opposite end topology associate device hardware fault all takes place, if not, determine that then the optical cable between this equipment place office station is the optical cable that interruption of optical cables possible take place.
9, a kind of interruption of optical cables diagnostic device is characterized in that, comprising:
The alarm data acquiring unit is used for obtaining original alarm information from each producer's dedicated network management system;
The alarm filtering unit is used for obtaining interruption of optical cables feature warning information from described original alarm information;
Diagnosis unit, be used for according to described interruption of optical cables feature warning information, determine to take place the optical cable of outage, when knowing that the alarm of interruption of optical cables fault signature all takes place all transmission systems that are carried on this optical cable, determine that this optical cable interrupts, send diagnostic result;
The self-defining data storehouse is used to preserve the diagnostic result of above-mentioned original alarm information, interruption of optical cables feature warning information and diagnosis unit.
10, device as claimed in claim 9 is characterized in that, also comprises:
Failure indication information report unit, be used for receive described diagnosis unit judge optical cable generation interruption of optical cables as a result the time, will be used to indicate this result's failure indication information to report to the user.
11, device as claimed in claim 10 is characterized in that, described diagnosis unit comprises:
Candidate's optical cable judging unit, be used for determining to take place the equipment that the alarm of interruption of optical cables fault signature takes place according to interruption of optical cables feature warning information, find opposite end topology associate device by the topological relation of retrieving this equipment, when hardware fault does not all take place in the topological associate device of this generation interruption of optical cables fault signature alarm equipment and opposite end, optical cable between this equipment and the opposite end topology associate device is defined as taking place the optical cable of interruption of optical cables, otherwise, to failure indication information report unit transmitting apparatus hardware fault information;
The interruption of optical cables determining unit, be used for the optical cable that outage may take place definite according to candidate's optical cable judging unit, when whether all transmission systems on being carried on this optical cable the alarm of interruption of optical cables fault signature all takes place, determine this optical cable generation outage, send interruption of optical cables information to failure indication information report unit report, this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.
12, device as claimed in claim 10 is characterized in that, also comprises:
Optical cable state judging unit, be used to inquire about the state information of the definite optical cable that may interrupt of described diagnosis unit, judge whether described optical cable is in cutover or blocking state, when optical cable is in cutover or blocking state, to failure indication information report unit report optical cable cleft grafting information;
Described diagnosis unit is knowing that the alarm of interruption of optical cables fault signature all takes place all transmission systems that are carried on this optical cable, and when described optical cable is not in cutover or blocking state, determine that this optical cable interrupts, to the interruption of optical cables information of failure indication information report unit report eliminating cutover, this interruption of optical cables information comprises the optical cable position and is affected circuit or the failure indication information of system.
13, as any described device in the claim 9 to 12, it is characterized in that described alarm filtering unit comprises:
The normalization unit is used for according to the warning information table of comparisons that sets in advance warning information being carried out self-defined classification according to semanteme, and the warning information of identical semanteme is carried out normalized, obtains self-define of alarm information;
Optical cable feature alarm filtering unit is used for filtering out the warning information that meets the interruption of optical cables judgment rule from described self-define of alarm information.
14, device as claimed in claim 13 is characterized in that, described alarm filtering unit also comprises:
Alarm level screening unit is used for filtering out urgent, important warning information according to alarm level at warning information, and offers the normalization unit.
15, device as claimed in claim 14 is characterized in that, described alarm filtering unit also comprises:
The time window filter element is used for filtering out warning information in some time periods from original alarm information, and offers alarm level screening unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101415219A CN101090296A (en) | 2007-07-31 | 2007-07-31 | Diagnostic method and device for breakout of cable |
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|---|---|---|---|
| CNA2007101415219A CN101090296A (en) | 2007-07-31 | 2007-07-31 | Diagnostic method and device for breakout of cable |
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| CN101090296A true CN101090296A (en) | 2007-12-19 |
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| CNA2007101415219A Pending CN101090296A (en) | 2007-07-31 | 2007-07-31 | Diagnostic method and device for breakout of cable |
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| CN115276787B (en) * | 2021-04-30 | 2023-12-15 | 中国移动通信集团设计院有限公司 | Optical cable interruption fault positioning method, system, equipment and medium |
| CN113114357A (en) * | 2021-06-16 | 2021-07-13 | 中兴通讯股份有限公司 | Passive wavelength division equipment fault detection method, device, server and storage medium |
| CN113114357B (en) * | 2021-06-16 | 2021-10-22 | 中兴通讯股份有限公司 | Passive wavelength division equipment fault detection method, device, server and storage medium |
| WO2023226477A1 (en) * | 2022-05-26 | 2023-11-30 | 华为技术有限公司 | Optical module, electronic device, communication system and related processing method |
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