CN109274421A - A method of transmission OTN network end-to-end fault automatic positioning - Google Patents

A method of transmission OTN network end-to-end fault automatic positioning Download PDF

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Publication number
CN109274421A
CN109274421A CN201811385774.5A CN201811385774A CN109274421A CN 109274421 A CN109274421 A CN 109274421A CN 201811385774 A CN201811385774 A CN 201811385774A CN 109274421 A CN109274421 A CN 109274421A
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China
Prior art keywords
paragraph
port
signal stream
failure
class
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CN201811385774.5A
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CN109274421B (en
Inventor
颜敏
邱志勇
陈宏毅
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China Telecom Group Trade Union Committee Of Shanghai Network Operation Department
China Telecom Group Trade Union Shanghai Committee
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China Telecom Group Trade Union Committee Of Shanghai Network Operation Department
China Telecom Group Trade Union Shanghai Committee
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Priority to CN201811385774.5A priority Critical patent/CN109274421B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0791—Fault location on the transmission path

Abstract

The present invention provides a kind of method for transmitting optical transport network end to end circuit fault automatic location, is applied in optical transport network, step S1, establishes the whole network network element table for being associated with optical transport network；Step S2 obtains the signal stream checkpoint port of each network element according to the whole network network element table；Step S3 obtains the alarm data of signal stream checkpoint port and classifies；Step S4 judges each signal stream checkpoint port with the presence or absence of alarm data；Step S5 obtains each failure paragraph in circuit；Whether step S6, each subpath in decision circuitry have failure paragraph；Step S7 obtains the failure paragraph that Circuit Interrupt is influenced in interrupt circuit, with backed off after random.The invention has the advantages that realizing automatic positioning and analysis failure paragraph by being classified to alarm type, to promote transmission network troubleshooting efficiency, and then the actually available rate of customer service circuit is promoted, promote the satisfaction of user.

Description

A method of transmission OTN network end-to-end fault automatic positioning
Technical field
It is automatically fixed that the present invention relates to the optical transport communications field more particularly to a kind of transmission OTN network end-to-end faults The method of position.
Background technique
The features such as OTN network possesses big bandwidth, flexile protected mode, multi service access as one kind, becomes mesh Preceding backbone and international networks network give priority to network, in network operation and operation, to timely responding to and precisely for failure Positioning is all the premise for improving troubleshooting efficiency, improving service circuit availability, and the automation of fault location is also next-generation The most key factor in intelligent network development.Current transmission comprehensive network management is also using the fault automatic location of circuit as exploitation Emphasis, can accomplish to the circuit being carried on traditional wavelength-division system according to the performance data of wavelength-division system carry out fault location, but It is that cannot all carry out accurately fault location to complicated branch line separation, with protection, the multi-service with time-slot cross.
Current fault location can not be protected according to optical path performance come simple positioning failure paragraph in multi service access and multiplicity Failure paragraph can not be clearly navigated under shield mode.
Summary of the invention
For the above-mentioned problems in the prior art, one kind is now provided and is intended to by classifying alarm type come real It is now automatically positioned and analyzes failure paragraph, to promote transmission network troubleshooting efficiency, and then it is actually available to promote customer service circuit Rate, the method for promoting the transmission OTN network end-to-end fault automatic positioning of the satisfaction of user.
Specific technical solution is as follows:
A method of transmission optical transport network end to end circuit fault automatic location, wherein be applied to optical transport network In, optical transport network includes multiple network elements, and each network element is correspondingly provided at least one signal stream checkpoint port；
Every two adjacent signal stream checkpoint port connects to form paragraph in different network elements, and paragraph mutually splices shape At subpath；
Each subpath is divided into positive subpath and reversed subpath according to the transmission direction of signal stream checkpoint port；
Each forward direction subpath is combined with each other to form circuit, and
Each reversed subpath is combined with each other to form circuit；
Method the following steps are included:
Step S1 establishes the whole network network element table for being associated with optical transport network；
Step S2 obtains the signal stream checkpoint port of each network element according to the whole network network element table；
Step S3 obtains the alarm data of signal stream checkpoint port and classifies；
Step S4 judges each signal stream checkpoint port with the presence or absence of alarm data；
If it exists, then it is handled to obtain failure paragraph according to the type of alarm data, then executes step S5；
If it does not exist, then failure is not present in the paragraph where judging signal stream checkpoint port, with backed off after random；
Step S5 obtains each failure paragraph in circuit；
Whether step S6, each subpath in decision circuitry have failure paragraph；
If so, being interrupt circuit by circuit judges, step S7 is then executed；
If it is not, being then partial interruption circuit by circuit judges, with backed off after random；
Step S7 obtains the failure paragraph that Circuit Interrupt is influenced in interrupt circuit, with backed off after random.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein in step S3, according to The transmission sequence of signal stream checkpoint port successively obtains the alarm data of corresponding signal stream checkpoint port.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein the alarm in step S4 The type of data includes A class, B class and C class；
Wherein,
The alarm data of A class can be used directly to positioning failure paragraph；
The alarm data of B class is transmitting class alarm data；
The alarm data of C class is reversed diffraction class alarm data.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein step S4 is specifically included Following steps,
Step S41 successively carries out each signal stream checkpoint port according to the transmission sequence of signal stream checkpoint port Analysis；
Step S42 judges that signal stream checkpoint port whether there is the alarm data of A class；
If it does not exist, step S43 is executed；
If it exists, step S45 is executed；
Step S43 judges whether each signal stream checkpoint port deposits according to the transmission sequence of signal stream checkpoint port In the alarm data of B class；
If it exists, the paragraph where the signal stream checkpoint port for the alarm data that there is B class earliest is judged as failure Paragraph then executes step S5；
If it does not exist, step S44 is executed；
Step S44 judges whether is first signal stream checkpoint port in the transmission sequence of signal stream checkpoint port There are the alarm datas of C class；
If so, the paragraph where the port of signal stream checkpoint is judged as failure paragraph, step S5 is then executed；
If it is not, failure is not present in the paragraph where then judging signal stream checkpoint port, step S5 is then executed；
Step S45 judges that the paragraph where the port of signal stream checkpoint for failure paragraph, then executes step S5.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein before step S45 The following steps are included:
Step C1 judges the alarm data of A class and the alarm data of B class whether are existed simultaneously in the same subpath；
If so, executing step C2；
If it is not, will be present A class alarm data or earliest there are the signal stream checkpoint ports where the alarm data of B class The paragraph at place is judged as failure paragraph；
Step C2, the paragraph where the alarm data of A class and the signal stream checkpoint end where the alarm data of B class The alarm time of paragraph where mouthful obtains failure paragraph.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein step C2 is specifically included Following steps:
Step C21, when first of the paragraph where the port of signal stream checkpoint where the alarm data of acquisition A class alerts Between and B class alarm data where signal stream checkpoint port where paragraph the second alarm time；
First alarm time and the second alarm time are compared by step C22；
When the difference of the first alarm time and the second alarm time is no more than a preset range, the alarm number of A class is judged It is failure paragraph according to the paragraph where the signal stream checkpoint port at place；
When the difference of the first alarm time and the second alarm time is more than a preset range, the alarm data of B class is judged Paragraph where the signal stream checkpoint port at place is failure paragraph.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein step C22's is default Range is 3 minutes.
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein in step s 5:
It whether there is the subpath that do not analyze according to the transmission direction decision circuitry of signal stream checkpoint port；
If so, return step S4；
If it is not, obtaining each failure paragraph in circuit, step S6 is then executed；
Preferably, the method for optical transport network end to end circuit fault automatic location is transmitted, wherein subpath includes that band is protected The paragraph of shield；
Paragraph without protection includes protection paragraph；
Step S7 specifically includes the following steps:
Step S71 obtains each failure paragraph of each subpath of interrupt circuit；
Step S72 judges whether failure paragraph is the paragraph with protection；
If so, failure paragraph is the failure paragraph for influencing Circuit Interrupt；
If it is not, executing step S73；
Step S73 judges whether failure paragraph includes protection paragraph；
If so, failure paragraph is the failure paragraph for influencing Circuit Interrupt；
If it is not, with backed off after random.
Above-mentioned technical proposal has the following advantages that or determines automatically the utility model has the advantages that being realized by being classified to alarm type Position and analysis failure paragraph, to promote transmission network troubleshooting efficiency, and then promote the actually available rate of customer service circuit, are promoted and used The satisfaction at family.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing be merely to illustrate and It illustrates, and is not meant to limit the scope of the invention.
Fig. 1 is the flow chart of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning；
Fig. 2 is the stream of the step S4 of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning Cheng Tu；
Before Fig. 3 is the step S45 of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning Flow chart；
Fig. 4 is the stream of the step C2 of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning Cheng Tu；
Fig. 5 is the stream of the step S7 of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning Cheng Tu；
Fig. 6 is the path profile of the embodiment of the method for present invention transmission OTN network end-to-end fault automatic positioning.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
A method of transmission optical transport network end to end circuit fault automatic location is applied in optical transport network, light Transmission network includes multiple network elements, and each network element is correspondingly provided at least one signal stream checkpoint port；
Every two adjacent signal stream checkpoint port connects to form paragraph in different network elements, and paragraph mutually splices shape At subpath；
Each subpath is divided into positive subpath and reversed subpath according to the transmission direction of signal stream checkpoint port；
Each forward direction subpath is combined with each other to form circuit, and
Each reversed subpath is combined with each other to form circuit；
As shown in Figure 1, method the following steps are included:
Step S1 establishes the whole network network element table for being associated with optical transport network；
Step S2 obtains the signal stream checkpoint port of each network element according to the whole network network element table；
Step S3 obtains the alarm data of signal stream checkpoint port and classifies；
Step S4 judges each signal stream checkpoint port with the presence or absence of alarm data；
If it exists, then it is handled to obtain failure paragraph according to the type of alarm data, then executes step S5；
If it does not exist, then failure is not present in the paragraph where judging signal stream checkpoint port, with backed off after random；
Step S5 obtains each failure paragraph in circuit；
Whether step S6, each subpath in decision circuitry have failure paragraph；
If so, being interrupt circuit by circuit judges, step S7 is then executed；
If it is not, being then partial interruption circuit by circuit judges, with backed off after random；
Step S7 obtains the failure paragraph that Circuit Interrupt is influenced in interrupt circuit, with backed off after random.
Further, in the above-described embodiments, it in step S3, is successively obtained according to the transmission sequence of signal stream checkpoint port Take the alarm data of corresponding signal stream checkpoint port.
Further, as preferred embodiment, as shown in fig. 6, being integrated according to network path and cross-connection information All forward direction subpaths and reversed subpath, and form corresponding circuit.
Network path includes signal stream checkpoint port N1, signal stream checkpoint port N2, signal stream checkpoint end in Fig. 6 Mouth N3 and signal stream checkpoint port N4；
Wherein, above-mentioned signal stream checkpoint port N1 includes node P1, node P2 and node P3；
Above-mentioned signal stream checkpoint port N2 includes node P1, node P2, node P3 and node P4；
Above-mentioned signal stream checkpoint port N3 includes node P1 and node P2；
Above-mentioned signal stream checkpoint port N4 includes node P1, node P2 and node P3；
Pass through internal chiasma between each node in the port of each signal stream checkpoint (shown in the dotted arrow in Fig. 6) Connection；
It does not need to connect by internal chiasma between the node of two adjacent signals stream checkpoints port；
It should be noted that S0, S1, S2, S3, S4, S5 and S6 respectively represent corresponding paragraph.
The path that may be walked in all forward and reverse subpaths is as follows:
Positive subpath 1:
N1_P1, N1_P2 → N2_P1, N2_P2 → N3_P1, N3_P2 → N4_P1, N4_P2 (can also use the form of paragraph It indicates: S0-S1-S2-S3-S4)；
Wherein, N1_P1, N1_P2 indicate that business is transferred to P2 at the node P1 at the port N1 of signal stream checkpoint；Below And so on, it is not set forth in detail herein.
Positive subpath 2:N1_P1, N1_P2 → N2_P1, N2_P4 → N4_P3, N4_P2 (can also use the form of paragraph It indicates: S0-S1-S6-S4)；
Positive subpath 3:N1_P1, N1_P3 → N2_P3, N2_P4 → N4_P3, N4_P2 (can also use the form of paragraph It indicates: S0-S5-S6-S4)；
Positive subpath 4:
N1_P1, N1_P3 → N2_P3, N2_P2 → N3_P1, N3_P2 → N4_P1, N4_P2 (can also use the form of paragraph It indicates: S0-S5-S2-S3-S4)；
The path that may be walked in all reversed subpaths is as follows:
Reversed subpath 1:
N4_P2, N4_P1 → N3_P2, N3_P1 → N2_P2, N2_P1 → N1_P2, N1_P1 (can also use the form of paragraph It indicates: S4-S3-S2-S1-S0)；
Reversed subpath 2:
N4_P2, N4_P1 → N3_P2, N3_P1 → N2_P2, N2_P3 → N1_P3, N1_P1 (can also use the form of paragraph It indicates: S4-S3-S2-S5-S0)；
Reversed subpath 3:
N4_P2, N4_P3 → N2_P4, N2_P3 → N1_P3, N1_P1 (can also be indicated: S4-S6-with the form of paragraph S5—S0)；
Reversed subpath 4:
N4_P2, N4_P3 → N2_P4, N2_P1 → N1_P2, N3_P1 (can also be indicated: S4-S6-with the form of paragraph S1—S0)；
The first port (receiving relaying signal) that network element in each path is taken by signal stream sequence, filters out every sub-route Signal stream checkpoint, such as following:
The transmission path of positive 1 signal stream checkpoint port of subpath: N1_P1 → N2_P1 → N3_P1 → N4_P1；
The transmission path of positive 2 signal stream checkpoint port of subpath: N1_P1 → N2_P1 → N4_P3；
The transmission path of positive 3 signal stream checkpoint port of subpath: N1_P1 → N2_P3 → N4_P3；
The transmission path of positive 4 signal stream checkpoint port of subpath: N1_P1 → N2_P3 → N3_P1 → N4_P1；
The transmission path of reversed 1 signal stream checkpoint port of subpath: N4_P2 → N3_P2 → N2_P2 → N1_P2；
The transmission path of reversed 2 signal stream checkpoint port of subpath: N4_P2 → N3_P2 → N2_P2 → N1_P3；
The transmission path of reversed 3 signal stream checkpoint port of subpath: N4_P2 → N2_P4 → N1_P3；
The transmission path of reversed 4 signal stream checkpoint port of subpath: N4_P2 → N2_P4 → N1_P2.
Further, in the above-described embodiments, the type of the alarm data in step S4 includes A class, B class and C class；
Wherein,
The alarm data of A class can be used directly to positioning failure paragraph, such as ODU2_TCM1, OTU2_LOF, OTU2_ LOM, OTU2_F, OTU3_DEG etc.；
The alarm data of B class is transmitting class alarm data, such as R_LO, R_LOF, ODU2_LOFLOM, ODU2_M_AI etc.；
The alarm data of C class is reversed diffraction class alarm data, is mainly used for judging the failure of boundary node, such as ODU2_M_BDI etc..
Further, in the above-described embodiments, as shown in Fig. 2, step S4 specifically includes following steps,
Step S41 successively carries out each signal stream checkpoint port according to the transmission sequence of signal stream checkpoint port Analysis；
Step S42 judges that signal stream checkpoint port whether there is the alarm data of A class；
If it does not exist, step S43 is executed；
If it exists, step S45 is executed；
Step S43 judges whether each signal stream checkpoint port deposits according to the transmission sequence of signal stream checkpoint port In the alarm data of B class；
If it exists, the paragraph where the signal stream checkpoint port for the alarm data that there is B class earliest is judged as failure Paragraph then executes step S5；
If it does not exist, step S44 is executed；
Step S44 judges whether is first signal stream checkpoint port in the transmission sequence of signal stream checkpoint port There are the alarm datas of C class；
If so, the paragraph where the port of signal stream checkpoint is judged as failure paragraph, step S5 is then executed；
If it is not, failure is not present in the paragraph where then judging signal stream checkpoint port, step S5 is then executed；
Step S45 judges that the paragraph where the port of signal stream checkpoint for failure paragraph, then executes step S5.
Further, as preferred embodiment, there are the alarm of A class, just A class is alerted when in the same subpath The paragraph at place is judged as failure paragraph, when there are the alarms of multiple A classes in the same subpath, where just alerting each A class Paragraph be judged as failure paragraph.
Further, in the above-described embodiments, as shown in figure 3, before step S45 the following steps are included:
Step C1 judges the alarm data of A class and the alarm data of B class whether are existed simultaneously in the same subpath；
If so, executing step C2；
If it is not, will be present A class alarm data or earliest there are the signal stream checkpoint ports where the alarm data of B class The paragraph at place is judged as failure paragraph；
Step C2, the paragraph where the alarm data of A class and the signal stream checkpoint end where the alarm data of B class The alarm time of paragraph where mouthful obtains failure paragraph.
Further, in the above-described embodiments, as shown in figure 4, step C2 specifically includes the following steps:
Step C21, when first of the paragraph where the port of signal stream checkpoint where the alarm data of acquisition A class alerts Between and B class alarm data where signal stream checkpoint port where paragraph the second alarm time；
First alarm time and the second alarm time are compared by step C22；
When the difference of the first alarm time and the second alarm time is no more than a preset range, the alarm number of A class is judged It is failure paragraph according to the paragraph where the signal stream checkpoint port at place；
When the difference of the first alarm time and the second alarm time is more than a preset range, the alarm data of B class is judged Paragraph where the signal stream checkpoint port at place is failure paragraph.
Further, in the above-described embodiments, the preset range of step C22 is 3 minutes.
Further, in the above-described embodiments, in step s 5:
It whether there is the subpath that do not analyze according to the transmission direction decision circuitry of signal stream checkpoint port；
If so, return step S4；
If it is not, obtaining each failure paragraph in circuit, step S6 is then executed；
Further, in the above-described embodiments, subpath includes the paragraph with protection；
Paragraph without protection includes protection paragraph；As shown in figure 5,
Step S7 specifically includes the following steps:
Step S71 obtains each failure paragraph of each subpath of interrupt circuit；
Step S72 judges whether failure paragraph is the paragraph with protection；
If so, failure paragraph is the failure paragraph for influencing Circuit Interrupt；
If it is not, executing step S73；
Step S73 judges whether failure paragraph includes protection paragraph；
If so, failure paragraph is the failure paragraph for influencing Circuit Interrupt；
If it is not, with backed off after random.
Further, in above-mentioned preferred embodiment, scene set simulation 1:
Initialization circuit includes positive subpath 1, positive subpath 2, positive subpath 3 and positive subpath 4；
Positive subpath 1, which has, alerts paragraph S0 (there are the alarms of A class), S1 (there are the alarms of B class), S2 (there are the alarms of B class), And alarm time is within preset range；
The failure paragraph of positive subpath 1 is S0 at this time；
Positive subpath 2 has alarm paragraph S0 (there are the alarms of A class), S1 (there are the alarms of B class), and alarm time is pre- Within the scope of if；
The failure paragraph of positive subpath 2 is S0 at this time；
Positive subpath 3 has alarm paragraph S0 (there are the alarms of A class), S5 (there are the alarms of A class)；
The failure paragraph of positive subpath 3 is S0, S5 at this time；
Positive subpath 4 has alarm paragraph S0 (there are the alarms of A class), S5 (there are the alarms of A class)；Positive subpath 3 at this time Failure paragraph be S0, S5；
Conclusion: the failure paragraph intersection of circuit is exactly { S0, S5 } at this time；
When failure paragraph S0 be band protection paragraph, and failure paragraph S5 be without protection paragraph and failure paragraph S5 When not including protection paragraph, real traffic affecting failure paragraph is failure paragraph S0.
Further, in above-mentioned preferred embodiment, scene set simulation 2:
Initialization circuit includes positive subpath 1, positive subpath 2, positive subpath 3 and positive subpath 4；
There is the alarm of A class in the node P1 (N2_P1) of signal stream checkpoint port N2 at this time；
There are failure paragraph N1_P2 → N2_P1 (can also be indicated with the form of paragraph: S1) for i.e. positive subpath 1；
There are failure paragraph N1_P2 → N2_P1 (can also be indicated with the form of paragraph: S1) for positive subpath 2；
Failure paragraph is not present in positive subpath 3；
Failure paragraph is not present in positive subpath 4；
Conclusion: for circuit without influence (but there are paragraph failures), failure paragraph is that N1_P2 → N2_P1 (can also use paragraph Form indicates: S1).
Further, in above-mentioned preferred embodiment, scene set simulation 3:
Initialization circuit includes positive subpath 1, positive subpath 2, positive subpath 3 and positive subpath 4；
The node P1 of the node P1 (N3_P1) and signal stream checkpoint port N4 of signal stream checkpoint port N3 at this time (N4_P1) there is the alarm of B class, and the alarm of A class occurs in the node P3 (N4_P3) of signal stream checkpoint port N4.
I.e. there are failure paragraph N2_P2 → N3_P1 (can also be indicated with the form of paragraph: S2) for positive subpath 1 at this time；
There are failure paragraph N2_P2 → N3_P1 (can also be indicated with the form of paragraph: S2) for positive subpath 2；
There are failure paragraph N2_P4 → N4_P3 (can also be indicated with the form of paragraph: S6) for positive subpath 3；
There are failure paragraph N2_P4 → N4_P3 (can also be indicated with the form of paragraph: S6) for positive subpath 4；
Conclusion: Circuit Interrupt, failure paragraph are as follows:
N2_P2 → N3_P1 (can also be indicated: S2) with the form of paragraph；
N2_P4 → N4_P3 (can also be indicated: S6) with the form of paragraph；
Since failure paragraph S2 is the paragraph with protection, and failure paragraph S6 is the paragraph and failure paragraph without protection When S6 includes protection paragraph, real traffic affecting failure paragraph is failure paragraph { S2, S6 } at this time.
Further, in above-mentioned preferred embodiment, scene set simulation 4:
Initialization circuit includes positive subpath 1, positive subpath 2, positive subpath 3 and positive subpath 4；
The node P3 of the node P1 (N1_P1) and signal stream checkpoint port N2 of signal stream checkpoint port N1 at this time (N2_P3) there are the alarm of A class, and the node P1 (N2_P1) and signal stream checkpoint port N3 of signal stream checkpoint port N2 Node P1 (N3_P1) there are the alarm of B class, wherein alarm time is within preset range.
I.e. at this point, positive subpath 1 there are failure paragraphs: the end A → N1_P1 (can also be indicated: S0) with the form of paragraph；
There are failure paragraphs for positive subpath 2: the end A → N1_P1 (can also be indicated: S0) with the form of paragraph；
There are failure paragraphs for positive subpath 3: the end A → N1_P1 (it can also be indicated with the form of paragraph: S0), N1_P3 → N2_P3 (can also be indicated: S5) with the form of paragraph；
There are failure paragraphs for positive subpath 4: the end A → N1_P1 (it can also be indicated with the form of paragraph: S0), N1_P3 → N2_P3 (can also be indicated: S5) with the form of paragraph
Conclusion: Circuit Interrupt, failure paragraph be the end A → N1_P1 (can also be indicated with the form of paragraph: S0), N1_P3 → N2_P3 (can also be indicated: S5) with the form of paragraph；
Since failure paragraph S0 is the paragraph with protection, and failure paragraph S5 is the paragraph and failure paragraph without protection When S5 does not include protection paragraph, real traffic affecting failure paragraph is failure paragraph S0.
Further, in above-mentioned preferred embodiment, scene set simulation 5:
Initialization circuit includes positive subpath 1, positive subpath 2, positive subpath 3 and positive subpath 4；
There is the alarm of C class in the node P2 (N4_P2) of signal stream checkpoint port N4 at this time；
I.e. at this time all there is the end failure paragraph Z → N4_P2 and (can also use the form table of paragraph in positive subpath 1,2,3,4 Show: S4)；
Conclusion: Circuit Interrupt, failure paragraph are that the end Z → N4_P2 (can also be indicated: S4), due to event with the form of paragraph Hindering paragraph S0 for the paragraph with protection or failure paragraph S0 is the paragraph without protection, but failure paragraph includes protection section It falls, really influencing traffic failure paragraph is S4.
The above is only preferred embodiments of the present invention, are not intended to limit the implementation manners and the protection scope of the present invention, right For those skilled in the art, it should can appreciate that and all replace with being equal made by description of the invention and diagramatic content It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.

Claims (9)

1. a kind of method for transmitting optical transport network end to end circuit fault automatic location, which is characterized in that be applied to optical transport In network, the optical transport network includes multiple network elements, and each network element is correspondingly provided at least one signal stream checkpoint end Mouthful；
Every two adjacent signal stream checkpoint port connects to form paragraph on the different network elements, the paragraph phase Mutually it is spliced to form subpath；
Each subpath is divided into positive subpath and reversed sub- road according to the transmission direction of signal stream checkpoint port Diameter；
Each positive subpath is combined with each other to form circuit, and
Each reversed subpath is combined with each other to form circuit；
It the described method comprises the following steps:
Step S1 establishes the whole network network element table for being associated with the optical transport network；
Step S2 obtains the signal stream checkpoint port of each network element according to the whole network network element table；
Step S3 obtains the alarm data of signal stream checkpoint port and classifies；
Step S4 judges each signal stream checkpoint port with the presence or absence of alarm data；
If it exists, then it is handled to obtain failure paragraph according to the type of the alarm data, then executes step S5；
If it does not exist, then failure is not present in the paragraph where judging signal stream checkpoint port, with backed off after random；
Step S5 obtains each of described circuit failure paragraph；
Step S6, judges whether each of described circuit subpath has the failure paragraph；
If so, being interrupt circuit by the circuit judges, step S7 is then executed；
If it is not, being then partial interruption circuit by the circuit judges, with backed off after random；
Step S7 obtains the failure paragraph that the Circuit Interrupt is influenced in the interrupt circuit, with backed off after random.
2. the method for transmission optical transport network end to end circuit fault automatic location as described in claim 1, which is characterized in that In the step S3, the corresponding signal stream checkpoint is successively obtained according to the transmission sequence of signal stream checkpoint port The alarm data of port.
3. the method for transmission optical transport network end to end circuit fault automatic location as described in claim 1, which is characterized in that The type of the alarm data in the step S4 includes A class, B class and C class；
Wherein,
The alarm data of A class can be used directly to position the failure paragraph；
The alarm data of B class is transmitting class alarm data；
The alarm data of C class is reversed diffraction class alarm data.
4. the method for transmission optical transport network end to end circuit fault automatic location as claimed in claim 3, which is characterized in that The step S4 specifically includes following steps,
Step S41, according to the transmission sequence of signal stream checkpoint port successively to each signal stream checkpoint port It is analyzed；
Step S42 judges that signal stream checkpoint port whether there is the alarm data of A class；
If it does not exist, step S43 is executed；
If it exists, step S45 is executed；
Step S43 judges that each signal stream checkpoint port is according to the transmission sequence of signal stream checkpoint port It is no that there are the alarm datas of B class；
If it exists, the paragraph where the signal stream checkpoint port for the alarm data that there is B class earliest is judged as The failure paragraph then executes step S5；
If it does not exist, step S44 is executed；
Step S44 judges first signal stream checkpoint port in the transmission sequence of signal stream checkpoint port With the presence or absence of the alarm data of C class；
If so, the paragraph where the port of the signal stream checkpoint is judged as the failure paragraph, step S5 is then executed；
If it is not, failure is not present in the paragraph where then judging signal stream checkpoint port, step S5 is then executed；
Step S45 judges that the paragraph where the port of the signal stream checkpoint for the failure paragraph, then executes step S5.
5. the method for transmission optical transport network end to end circuit fault automatic location as claimed in claim 4, which is characterized in that Before the step S45 the following steps are included:
Step C1 judges the alarm data that A class whether is existed simultaneously in the same subpath and the alarm of B class Data；
If so, executing step C2；
If it is not, will be present A class the alarm data or earliest there are where the alarm data of B class the signal stream inspection Paragraph where making an inventory of port is judged as the failure paragraph；
Step C2, the paragraph where the alarm data of A class and the signal stream where the alarm data of B class The alarm time of paragraph where the port of checkpoint obtains the failure paragraph.
6. the method for transmission optical transport network end to end circuit fault automatic location as claimed in claim 5, which is characterized in that The step C2 specifically includes the following steps:
Step C21, first of the paragraph where the port of the signal stream checkpoint where the alarm data of acquisition A class are accused Second alarm time of the paragraph where the port of the signal stream checkpoint where the alarm data of alert time and B class；
First alarm time and second alarm time are compared by step C22；
When the difference of first alarm time and second alarm time is no more than a preset range, the institute of A class is judged Paragraph where stating the signal stream checkpoint port where alarm data is the failure paragraph；
When the difference of first alarm time and second alarm time is more than a preset range, the described of B class is judged The paragraph where the port of the signal stream checkpoint where alarm data is the failure paragraph.
7. the method for transmission optical transport network end to end circuit fault automatic location as claimed in claim 6, which is characterized in that The preset range of the step C22 is 3 minutes.
8. the method for transmission optical transport network end to end circuit fault automatic location as described in claim 1, which is characterized in that In the step S5:
Judge that the circuit whether there is the subpath that do not analyze according to the transmission direction of signal stream checkpoint port；
If so, return step S4；
If it is not, obtaining each of described circuit failure paragraph, step S6 is then executed.
9. the method for transmission optical transport network end to end circuit fault automatic location as described in claim 1, which is characterized in that The subpath includes the paragraph with protection；
The paragraph without protection includes protection paragraph；
The step S7 specifically includes the following steps:
Step S71 obtains each of described subpath of each of described interrupt circuit failure paragraph；
Step S72, judge the failure paragraph whether be band protection paragraph；
If so, the failure paragraph is the failure paragraph for influencing the Circuit Interrupt；
If it is not, executing step S73；
Step S73 judges whether the failure paragraph includes the protection paragraph；
If so, the failure paragraph is the failure paragraph for influencing the Circuit Interrupt；
If it is not, with backed off after random.
CN201811385774.5A 2018-11-20 2018-11-20 Method for automatically positioning end-to-end circuit fault of transmission OTN network Active CN109274421B (en)

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