CN109274421B - Method for automatically positioning end-to-end circuit fault of transmission OTN network - Google Patents
Method for automatically positioning end-to-end circuit fault of transmission OTN network Download PDFInfo
- Publication number
- CN109274421B CN109274421B CN201811385774.5A CN201811385774A CN109274421B CN 109274421 B CN109274421 B CN 109274421B CN 201811385774 A CN201811385774 A CN 201811385774A CN 109274421 B CN109274421 B CN 109274421B
- Authority
- CN
- China
- Prior art keywords
- fault
- circuit
- signal stream
- alarm data
- paragraph
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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 invention provides a method for automatically positioning end-to-end circuit fault of a transmission optical transmission network, which is applied to the optical transmission network, and step S1 is used for establishing a whole network element table related to the optical transmission network; step S2, acquiring the signal flow check point port of each network element according to the whole network element table; step S3, acquiring and classifying the alarm data of the signal stream check point port; step S4, judging whether each signal flow check point port has alarm data; step S5, acquiring each fault section in the circuit; step S6, judging whether each sub path in the circuit has a fault paragraph; step S7, a fault section in the interrupt circuit that affects the circuit interrupt is obtained, and then the process exits. The invention has the advantages that the automatic positioning and analysis of the fault paragraphs are realized by classifying the alarm types, thereby improving the fault processing efficiency of the transmission network, further improving the actual availability of the customer circuit and improving the satisfaction degree of users.
Description
Technical Field
The invention relates to the field of optical transmission communication, in particular to a method for automatically positioning end-to-end circuit faults of an OTN (optical transport network).
Background
The OTN network has the characteristics of large bandwidth, flexible and various protection modes, multi-service access and the like, becomes a key development network of the current backbone and international transmission network, in network maintenance and operation, timely response and accurate positioning to faults are the premise of improving fault processing efficiency and service circuit availability, and automation of fault positioning is also the most critical factor in the development of the next generation of intelligent networks. The existing transmission integrated network management also takes the automatic fault location of the circuit as a development key point, can locate the fault of the circuit loaded on the traditional wavelength division system according to the performance data of the wavelength division system, but cannot accurately locate the fault of the complex branch circuit separation, the band protection and the multi-service with time slot crossing.
The current fault location can not simply locate the fault section according to the performance of the optical path, and can not clearly locate the fault section under the multi-service access and various protection modes.
Disclosure of Invention
Aiming at the problems in the prior art, a method for automatically positioning the end-to-end circuit fault of the OTN is provided, which aims to realize automatic positioning and analysis of fault paragraphs by classifying alarm types, so that the fault processing efficiency of the transmission network is improved, the actual availability of a customer circuit is further improved, and the satisfaction of a user is improved.
The specific technical scheme is as follows:
a method for automatically positioning end-to-end circuit fault of a transmission optical transmission network is applied to the optical transmission network, wherein the optical transmission network comprises a plurality of network elements, and each network element is correspondingly provided with at least one signal flow check point port;
every two adjacent signal stream check point ports on different network elements are connected to form paragraphs, and the paragraphs are spliced with each other to form a sub-path;
each sub-path is divided into a forward sub-path and a reverse sub-path according to the transmission direction of the signal flow check point port;
each of the forward sub-paths combining with each other to form a circuit, an
Each reverse sub-path is mutually combined to form a circuit;
the method comprises the following steps:
step S1, establishing a whole network element table related to the optical transmission network;
step S2, acquiring the signal flow check point port of each network element according to the whole network element table;
step S3, acquiring and classifying the alarm data of the signal stream check point port;
step S4, judging whether each signal flow check point port has alarm data;
if yes, processing according to the type of the alarm data to obtain a fault section, and then executing step S5;
if not, judging that the section where the signal stream check point port is located has no fault, and then exiting;
step S5, acquiring each fault section in the circuit;
step S6, judging whether each sub path in the circuit has a fault paragraph;
if yes, the circuit is judged to be an interrupt circuit, and then step S7 is executed;
if not, judging the circuit as a partial interrupt circuit, and then quitting;
step S7, a fault section in the interrupt circuit that affects the circuit interrupt is obtained, and then the process exits.
Preferably, in the method for automatically positioning an end-to-end circuit fault of a transmission optical transport network, in step S3, alarm data of corresponding signal stream checkpoint ports are sequentially obtained according to a transmission sequence of the signal stream checkpoint ports.
Preferably, the method for automatically positioning the end-to-end circuit fault of the transmission optical network, wherein the types of the alarm data in the step S4 include a type a, a type B and a type C;
wherein the content of the first and second substances,
the alarm data of the A type can be directly used for positioning a fault section;
the alarm data of the type B is transmission type alarm data;
the alarm data of class C is the inverse diffraction class alarm data.
Preferably, the method for automatically locating the end-to-end circuit fault of the transmission optical network, wherein the step S4 specifically includes the following steps,
step S41, analyzing each signal stream check point port in turn according to the transmission sequence of the signal stream check point ports;
step S42, judging whether the signal flow check point port has A-type alarm data;
if not, go to step S43;
if yes, go to step S45;
step S43, judging whether each signal stream check point port has B-type alarm data according to the transmission sequence of the signal stream check point port;
if yes, judging the section where the signal stream check point port with the earliest B-type alarm data is located as a fault section, and then executing the step S5;
if not, go to step S44;
step S44, judging whether the first signal flow check point port in the transmission sequence of the signal flow check point port has C-type alarm data;
if yes, the section where the signal stream check point port is located is determined as a fault section, and then step S5 is executed;
if not, judging that the section where the signal stream check point port is located has no fault, and then executing step S5;
in step S45, it is determined that the segment where the signal stream checkpoint port is located is a failed segment, and then step S5 is performed.
Preferably, the method for automatically locating the end-to-end circuit fault of the transmission optical network includes the following steps before step S45:
step C1, judging whether the same sub-path has the alarm data of type A and the alarm data of type B;
if yes, go to step C2;
if not, judging the section where the signal stream check point port where the alarm data of the type A or the alarm data of the type B exists at the earliest is a fault section;
and step C2, acquiring the fault paragraph according to the alarm time of the paragraph where the class A alarm data is located and the paragraph where the class B alarm data is located.
Preferably, the method for automatically locating the end-to-end circuit fault of the transmission optical transport network, wherein the step C2 specifically includes the following steps:
step C21, acquiring a first alarm time of a paragraph in which the signal stream checkpoint port of the alarm data of class A is located and a second alarm time of a paragraph in which the signal stream checkpoint port of the alarm data of class B is located;
step C22, comparing the first alarm time with the second alarm time;
when the difference value between the first alarm time and the second alarm time does not exceed a preset range, judging that the section where the signal stream check point port of the class A alarm data is located is a fault section;
and when the difference value between the first alarm time and the second alarm time exceeds a preset range, judging that the section where the signal stream check point port of the B-type alarm data is located is a fault section.
Preferably, the method for automatically locating the end-to-end circuit fault of the transmission optical network is implemented, wherein the preset range of the step C22 is 3 minutes.
Preferably, the method for automatically locating the end-to-end circuit fault of the transmission optical network, wherein in step S5:
judging whether the circuit has an unanalyzed sub-path or not according to the transmission direction of the signal flow check point port;
if yes, return to step S4;
if not, acquiring each fault section in the circuit, and then executing step S6;
preferably, the method for automatically positioning the end-to-end circuit fault of the transmission optical transmission network, wherein the sub-path comprises a segment with protection;
the unprotected segments include protected segments;
step S7 specifically includes the following steps:
step S71, acquiring each fault paragraph of each sub-path of the interrupt circuit;
step S72, judging whether the fault paragraph is a paragraph with protection;
if so, the fault section is a fault section influencing circuit interruption;
if not, go to step S73;
step S73, judging whether the fault paragraph includes a protection paragraph;
if so, the fault section is a fault section influencing circuit interruption;
if not, then exit.
The technical scheme has the following advantages or beneficial effects: the automatic positioning and analysis of the fault paragraphs are realized by classifying the alarm types, so that the fault processing efficiency of the transmission network is improved, the actual availability of the customer circuit is improved, and the satisfaction of users is improved.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a flowchart of an embodiment of a method for automatic end-to-end circuit fault location in an OTN network according to the present invention;
fig. 2 is a flowchart of step S4 of the method for automatic end-to-end circuit fault location in transport OTN network according to the embodiment of the present invention;
fig. 3 is a flowchart of an embodiment of the method for automatically locating an end-to-end circuit fault in an OTN network according to the present invention before step S45;
fig. 4 is a flowchart of step C2 of the method for automatic end-to-end circuit fault location in an OTN network according to an embodiment of the present invention;
fig. 5 is a flowchart of step S7 of the method for automatic end-to-end circuit fault location in transport OTN network according to the embodiment of the present invention;
fig. 6 is a path diagram of an embodiment of a method for automatically locating an end-to-end circuit fault of an OTN network according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
A method for automatically positioning end-to-end circuit fault of transmission optical transmission network is applied to the optical transmission network, the optical transmission network comprises a plurality of network elements, each network element is correspondingly provided with at least one signal flow check point port;
every two adjacent signal stream check point ports on different network elements are connected to form paragraphs, and the paragraphs are spliced with each other to form a sub-path;
each sub-path is divided into a forward sub-path and a reverse sub-path according to the transmission direction of the signal flow check point port;
each of the forward sub-paths combining with each other to form a circuit, an
Each reverse sub-path is mutually combined to form a circuit;
as shown in fig. 1, the method comprises the steps of:
step S1, establishing a whole network element table related to the optical transmission network;
step S2, acquiring the signal flow check point port of each network element according to the whole network element table;
step S3, acquiring and classifying the alarm data of the signal stream check point port;
step S4, judging whether each signal flow check point port has alarm data;
if yes, processing according to the type of the alarm data to obtain a fault section, and then executing step S5;
if not, judging that the section where the signal stream check point port is located has no fault, and then exiting;
step S5, acquiring each fault section in the circuit;
step S6, judging whether each sub path in the circuit has a fault paragraph;
if yes, the circuit is judged to be an interrupt circuit, and then step S7 is executed;
if not, judging the circuit as a partial interrupt circuit, and then quitting;
step S7, a fault section in the interrupt circuit that affects the circuit interrupt is obtained, and then the process exits.
Further, in the above embodiment, in step S3, the alarm data of the corresponding signal stream checkpoint ports are sequentially obtained according to the transmission order of the signal stream checkpoint ports.
Further, as a preferred embodiment, as shown in fig. 6, all the forward sub-paths and the reverse sub-paths are integrated according to the network path and the cross-connection information, and corresponding circuits are formed.
The network path of fig. 6 includes signal stream checkpoint port N1, signal stream checkpoint port N2, signal stream checkpoint port N3 and signal stream checkpoint port N4;
wherein the traffic checkpoint port N1 includes a node P1, a node P2 and a node P3;
the aforesaid signal stream checkpoint port N2 includes node P1, node P2, node P3 and node P4;
the flow checkpoint port N3 includes a node P1 and a node P2;
the signal stream checkpoint port N4 includes node P1, node P2 and node P3;
each node within each signal stream checkpoint port is connected by an internal crossing (shown by a dashed arrow in fig. 6);
nodes of two adjacent signal stream check point ports do not need to be connected through internal cross connection;
it should be noted that S0, S1, S2, S3, S4, S5 and S6 respectively represent corresponding paragraphs.
The possible paths in all forward and reverse sub-paths are as follows:
forward sub-path 1:
n1_ P1, N1_ P2 → N2_ P1, N2_ P2 → N3_ P1, N3_ P2 → N4_ P1, N4_ P2 (which can also be expressed in paragraph form: S0-S1-S2-S3-S4);
where N1_ P1, N1_ P2 indicate that traffic is transmitted to P2 at node P1 at signal stream checkpoint port N1; the following analogy is omitted here for brevity.
Forward sub-path 2: n1_ P1, N1_ P2 → N2_ P1, N2_ P4 → N4_ P3, N4_ P2 (which can also be expressed in paragraph form: S0-S1-S6-S4);
forward sub-path 3: n1_ P1, N1_ P3 → N2_ P3, N2_ P4 → N4_ P3, N4_ P2 (which can also be expressed in paragraph form: S0-S5-S6-S4);
forward sub-path 4:
n1_ P1, N1_ P3 → N2_ P3, N2_ P2 → N3_ P1, N3_ P2 → N4_ P1, N4_ P2 (which can also be expressed in paragraph form: S0-S5-S2-S3-S4);
the possible paths in all the reverse sub-paths are as follows:
reverse sub-path 1:
n4_ P2, N4_ P1 → N3_ P2, N3_ P1 → N2_ P2, N2_ P1 → N1_ P2, N1_ P1 (which can also be expressed in paragraph form: S4-S3-S2-S1-S0);
reverse sub-path 2:
n4_ P2, N4_ P1 → N3_ P2, N3_ P1 → N2_ P2, N2_ P3 → N1_ P3, N1_ P1 (which can also be expressed in paragraph form: S4-S3-S2-S5-S0);
reverse sub-path 3:
n4_ P2, N4_ P3 → N2_ P4, N2_ P3 → N1_ P3, N1_ P1 (which can also be expressed in paragraph form: S4-S6-S5-S0);
reverse sub-path 4:
n4_ P2, N4_ P3 → N2_ P4, N2_ P1 → N1_ P2, N3_ P1 (which can also be expressed in paragraph form: S4-S6-S1-S0);
taking the first port (receiving the relay signal) of the network element in each path according to the signal flow sequence, and screening out the signal flow check point of each sub-route, as follows:
transmission path of forward sub-path 1 signal stream checkpoint port: n1_ P1 → N2_ P1 → N3_ P1 → N4_ P1;
transmission path of forward sub-path 2 signal stream checkpoint port: n1_ P1 → N2_ P1 → N4_ P3;
transmission path of forward sub-path 3 signal stream checkpoint port: n1_ P1 → N2_ P3 → N4_ P3;
transmission path of forward sub-path 4 signal stream checkpoint port: n1_ P1 → N2_ P3 → N3_ P1 → N4_ P1;
transmission path of reverse sub-path 1 signal stream checkpoint port: n4_ P2 → N3_ P2 → N2_ P2 → N1_ P2;
reverse sub-path 2 signal flow checkpoint port transmission path: n4_ P2 → N3_ P2 → N2_ P2 → N1_ P3;
reverse sub-path 3 signal stream checkpoint port transmission path: n4_ P2 → N2_ P4 → N1_ P3;
reverse sub-path 4 signal stream checkpoint port transmission path: n4_ P2 → N2_ P4 → N1_ P2.
Further, in the above-described embodiment, the types of the alarm data in step S4 include a class a, a class B, and a class C;
wherein the content of the first and second substances,
the alarm data of class a can be directly used to locate a fault section, such as ODU2_ TCM1, OTU2_ LOF, OTU2_ LOM, OTU2_ F, OTU3_ DEG, and the like;
the class B alarm data is transfer class alarm data, such as R _ LO, R _ LOF, ODU2_ LOFLOM, ODU2_ M _ AI, and the like;
the class C alarm data is reverse diffraction class alarm data, and is mainly used for judging a fault of a boundary node, such as an ODU2_ M _ BDI.
Further, in the above embodiment, as shown in fig. 2, the step S4 specifically includes the following steps,
step S41, analyzing each signal stream check point port in turn according to the transmission sequence of the signal stream check point ports;
step S42, judging whether the signal flow check point port has A-type alarm data;
if not, go to step S43;
if yes, go to step S45;
step S43, judging whether each signal stream check point port has B-type alarm data according to the transmission sequence of the signal stream check point port;
if yes, judging the section where the signal stream check point port with the earliest B-type alarm data is located as a fault section, and then executing the step S5;
if not, go to step S44;
step S44, judging whether the first signal flow check point port in the transmission sequence of the signal flow check point port has C-type alarm data;
if yes, the section where the signal stream check point port is located is determined as a fault section, and then step S5 is executed;
if not, judging that the section where the signal stream check point port is located has no fault, and then executing step S5;
in step S45, it is determined that the segment where the signal stream checkpoint port is located is a failed segment, and then step S5 is performed.
Further, as a preferred embodiment, when there are a-type alarms in the same sub-path, the section where the a-type alarm is located is determined as a fault section, and when there are a plurality of a-type alarms in the same sub-path, the section where each a-type alarm is located is determined as a fault section.
Further, in the above embodiment, as shown in fig. 3, the following steps are included before step S45:
step C1, judging whether the same sub-path has the alarm data of type A and the alarm data of type B;
if yes, go to step C2;
if not, judging the section where the signal stream check point port where the alarm data of the type A or the alarm data of the type B exists at the earliest is a fault section;
and step C2, acquiring the fault paragraph according to the alarm time of the paragraph where the class A alarm data is located and the paragraph where the class B alarm data is located.
Further, in the above embodiment, as shown in fig. 4, step C2 specifically includes the following steps:
step C21, acquiring a first alarm time of a paragraph in which the signal stream checkpoint port of the alarm data of class A is located and a second alarm time of a paragraph in which the signal stream checkpoint port of the alarm data of class B is located;
step C22, comparing the first alarm time with the second alarm time;
when the difference value between the first alarm time and the second alarm time does not exceed a preset range, judging that the section where the signal stream check point port of the class A alarm data is located is a fault section;
and when the difference value between the first alarm time and the second alarm time exceeds a preset range, judging that the section where the signal stream check point port of the B-type alarm data is located is a fault section.
Further, in the above embodiment, the preset range of the step C22 is 3 minutes.
Further, in the above-described embodiment, in step S5:
judging whether the circuit has an unanalyzed sub-path or not according to the transmission direction of the signal flow check point port;
if yes, return to step S4;
if not, acquiring each fault section in the circuit, and then executing step S6;
further, in the above embodiment, the sub path includes a segment with protection;
the unprotected segments include protected segments; as shown in figure 5 of the drawings,
step S7 specifically includes the following steps:
step S71, acquiring each fault paragraph of each sub-path of the interrupt circuit;
step S72, judging whether the fault paragraph is a paragraph with protection;
if so, the fault section is a fault section influencing circuit interruption;
if not, go to step S73;
step S73, judging whether the fault paragraph includes a protection paragraph;
if so, the fault section is a fault section influencing circuit interruption;
if not, then exit.
Further, in the above preferred embodiment, the scene simulation 1:
the setting circuit comprises a forward sub-path 1, a forward sub-path 2, a forward sub-path 3 and a forward sub-path 4;
the forward sub-path 1 has alarm paragraphs S0 (there is a class a alarm), S1 (there is a class B alarm), S2 (there is a class B alarm), and the alarm time is within the preset range;
the failure paragraph of the forward sub-path 1 at this time is S0;
the forward sub-path 2 has alarm paragraphs S0 (there is a class a alarm), S1 (there is a class B alarm), and the alarm time is within the preset range;
the failure paragraph of the forward sub-path 2 at this time is S0;
the forward sub-path 3 has alarm paragraphs S0 (there is a class a alarm), S5 (there is a class a alarm);
the fault paragraphs of the forward sub-path 3 at this time are S0, S5;
the forward sub-path 4 has alarm paragraphs S0 (there is a class a alarm), S5 (there is a class a alarm); the fault paragraphs of the forward sub-path 3 at this time are S0, S5;
and (4) conclusion: the fault paragraph collection of the circuit is { S0, S5 };
when the failed segment S0 is a segment with protection, and the failed segment S5 is a segment without protection, and the failed segment S5 does not include a protection segment, the failed segment that actually affects the traffic is the failed segment S0.
Further, in the above preferred embodiment, the scene simulation 2 is set:
the setting circuit comprises a forward sub-path 1, a forward sub-path 2, a forward sub-path 3 and a forward sub-path 4;
at this time, the class A alarm occurs at the node P1(N2_ P1) of the signal flow check point port N2;
that is, the forward sub-path 1 has a fault paragraph N1_ P2 → N2_ P1 (which can also be expressed in the form of paragraphs: S1);
forward sub-path 2 has a failed paragraph N1_ P2 → N2_ P1 (which may also be expressed in paragraph form: S1);
the forward sub-path 4 has no failed segment;
and (4) conclusion: the circuit has no effect (but there is a paragraph fault), and the fault paragraph is N1_ P2 → N2_ P1 (which can also be expressed in paragraph form: S1).
Further, in the above preferred embodiment, the scene simulation 3 is set:
the setting circuit comprises a forward sub-path 1, a forward sub-path 2, a forward sub-path 3 and a forward sub-path 4;
at this time, class B alarms occur at the node P1(N3_ P1) of the signal stream checkpoint port N3 and the node P1(N4_ P1) of the signal stream checkpoint port N4, and class a alarms occur at the node P3(N4_ P3) of the signal stream checkpoint port N4.
That is, the forward sub-path 1 has a fault paragraph N2_ P2 → N3_ P1 (which can also be expressed in the form of paragraphs: S2);
forward sub-path 2 has a failed paragraph N2_ P2 → N3_ P1 (which may also be expressed in paragraph form: S2);
forward sub-path 3 has a failed paragraph N2_ P4 → N4_ P3 (which may also be expressed in paragraph form: S6);
the forward sub-path 4 has a fault paragraph N2_ P4 → N4_ P3 (which can also be expressed in paragraph form: S6);
and (4) conclusion: the circuit is interrupted, and the fault section is as follows:
n2_ P2 → N3_ P1 (which can also be expressed in paragraph form: S2);
n2_ P4 → N4_ P3 (which can also be expressed in paragraph form: S6);
since the failed segment S2 is a segment with protection, and the failed segment S6 is a segment without protection, and the failed segment S6 includes a protection segment, the failed segment that actually affects the traffic at this time is the failed segment { S2, S6 }.
Further, in the above preferred embodiment, the scene simulation 4 is set:
the setting circuit comprises a forward sub-path 1, a forward sub-path 2, a forward sub-path 3 and a forward sub-path 4;
at this time, there are class a alarms at the node P1(N1_ P1) of the signal stream checkpoint port N1 and the node P3(N2_ P3) of the signal stream checkpoint port N2, and there are class B alarms at the node P1(N2_ P1) of the signal stream checkpoint port N2 and the node P1(N3_ P1) of the signal stream checkpoint port N3, where the alarm time is within a preset range.
That is, at this time, the forward sub-path 1 has a fault paragraph of A end → N1_ P1 (which can also be expressed in the form of paragraph: S0);
the forward sub-path 2 has a fault paragraph of A end → N1_ P1 (which can also be expressed in paragraph form: S0);
the forward sub-path 3 has a fault paragraph of A end → N1_ P1 (which can also be expressed in the form of a paragraph: S0), N1_ P3 → N2_ P3 (which can also be expressed in the form of a paragraph: S5);
forward sub-path 4 has a failed paragraph A → N1_ P1 (also expressed in paragraph form: S0), N1_ P3 → N2_ P3 (also expressed in paragraph form: S5)
And (4) conclusion: the circuit is interrupted, and the fault section is A terminal → N1_ P1 (which can also be expressed in the form of a paragraph: S0), N1_ P3 → N2_ P3 (which can also be expressed in the form of a paragraph: S5);
since the failed paragraph S0 is a paragraph with protection, and the failed paragraph S5 is a paragraph without protection and the failed paragraph S5 does not include a protection paragraph, the failed paragraph that actually affects the traffic is the failed paragraph S0.
Further, in the above preferred embodiment, the scene simulation 5 is set:
the setting circuit comprises a forward sub-path 1, a forward sub-path 2, a forward sub-path 3 and a forward sub-path 4;
at this time, a class C alarm occurs at the node P2(N4_ P2) of the signal flow check point port N4;
that is, the forward sub-paths 1,2,3,4 all have the fault paragraph Z → N4_ P2 (which can also be expressed in paragraph form: S4);
and (4) conclusion: the circuit is interrupted, the fault section is Z terminal → N4_ P2 (which can also be expressed in the form of a paragraph: S4), since the fault section S0 is a section with protection, or the fault section S0 is a section without protection, but the fault section includes a protection section, and the section actually affecting the service fault is S4.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A method for automatically positioning end-to-end circuit fault of a transmission optical transmission network is characterized in that the method is applied to the optical transmission network, the optical transmission network comprises a plurality of network elements, and each network element is correspondingly provided with at least one signal flow check point port;
every two adjacent signal stream check point ports on different network elements are connected to form paragraphs, and the paragraphs are spliced with each other to form a sub-path;
each sub-path is divided into a forward sub-path and a reverse sub-path according to the transmission direction of the signal flow check point port;
each of said forward sub-paths combining with each other to form a circuit, an
Each reverse sub-path is mutually combined to form a circuit;
the method comprises the following steps:
step S1, establishing a whole network element table related to the optical transmission network;
step S2, acquiring the signal flow check point port of each network element according to the whole network element table;
step S3, acquiring and classifying the alarm data of the signal stream check point port;
step S4, judging whether each signal flow check point port has alarm data;
if yes, processing according to the type of the alarm data to obtain a fault paragraph, and then executing step S5;
if the current section does not exist, judging that the section where the signal stream check point port is located does not have a fault, and then exiting;
step S5, acquiring each of the fault sections in the circuit;
step S6, determining whether each of the sub-paths in the circuit has the fault section;
if yes, the circuit is judged to be an interrupt circuit, and then step S7 is executed;
if not, judging the circuit as a partial interrupt circuit, and then quitting;
step S7, obtaining the fault paragraph in the interrupt circuit which affects the circuit interrupt, and then exiting;
the sub-path comprises a protected paragraph;
the unprotected segments include protected segments;
the step S7 specifically includes the following steps:
step S71, acquiring each of the fault sections of each of the sub-paths of the interrupt circuit;
step S72, determining whether the failed paragraph is the paragraph with protection;
if so, the fault section is the fault section which influences the circuit interruption;
if not, go to step S73;
step S73, determining whether the failed paragraph includes the protection paragraph;
if so, the fault section is the fault section which influences the circuit interruption;
if not, then quitting;
the types of the alarm data in the step S4 include a type a, a type B, and a type C;
wherein the content of the first and second substances,
the alarm data of class a can be used directly to locate the fault paragraph;
the alarm data of the type B is transmission type alarm data;
the alarm data of class C is inverse diffraction class alarm data.
2. The method according to claim 1, wherein in step S3, the alarm data of the corresponding signal stream check point ports are sequentially obtained according to the transmission sequence of the signal stream check point ports.
3. The method for automatic end-to-end circuit fault location in a transmission optical network as claimed in claim 1, wherein said step S4 comprises the following steps,
step S41, analyzing each signal stream check point port in turn according to the transmission sequence of the signal stream check point ports;
step S42, judging whether the signal stream check point port has the alarm data of type A;
if not, go to step S43;
if yes, go to step S45;
step S43, judging whether each signal stream check point port has the B-type alarm data according to the transmission sequence of the signal stream check point port;
if yes, determining a paragraph where the signal stream checkpoint port where the alarm data of class B exists at the earliest is located as the fault paragraph, and then executing step S5;
if not, go to step S44;
step S44, determining whether the first signal stream checkpoint port in the transmission sequence of the signal stream checkpoint port has the alarm data of class C;
if yes, determining the section where the signal stream check point port is located as the fault section, and then executing step S5;
if not, judging that the section where the signal stream check point port is located has no fault, and then executing step S5;
in step S45, it is determined that the segment where the signal stream checkpoint port is located is the failed segment, and then step S5 is executed.
4. The method for automatic end-to-end circuit fault location in a transmission optical network according to claim 3, wherein the step S45 is preceded by the steps of:
step C1, judging whether the alarm data of type A and the alarm data of type B exist in the same sub-path;
if yes, go to step C2;
if not, judging the section where the signal stream checkpoint port where the alarm data of the type A or the alarm data of the type B exists at the earliest is as the fault section;
step C2, obtaining the fault paragraph according to the alarm time of the paragraph where the alarm data of class a is located and the paragraph where the alarm data of class B is located at the signal stream checkpoint port.
5. The method for automatic end-to-end circuit fault location in a transmission optical network as claimed in claim 4, wherein said step C2 specifically comprises the steps of:
step C21, obtaining a first alarm time of a paragraph where the signal stream checkpoint port where the alarm data of class a is located and a second alarm time of a paragraph where the signal stream checkpoint port where the alarm data of class B is located;
step C22, comparing the first alarm time and the second alarm time;
when the difference value between the first alarm time and the second alarm time does not exceed a preset range, judging that the section where the signal stream check point port of the alarm data of the class A is located is the fault section;
and when the difference value between the first alarm time and the second alarm time exceeds a preset range, judging that the section where the signal stream check point port of the class B alarm data is located is the fault section.
6. The method for automatic end-to-end circuit fault location in a transmission optical network as claimed in claim 5, wherein said predetermined range of said step C22 is 3 minutes.
7. The method for automatic end-to-end circuit fault location in a transmission optical network as claimed in claim 1, wherein in said step S5:
judging whether the circuit has an unanalyzed sub-path or not according to the transmission direction of the signal flow check point port;
if yes, return to step S4;
if not, each of the fault sections in the circuit is obtained, and then step S6 is executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385774.5A CN109274421B (en) | 2018-11-20 | 2018-11-20 | Method for automatically positioning end-to-end circuit fault of transmission OTN network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811385774.5A CN109274421B (en) | 2018-11-20 | 2018-11-20 | Method for automatically positioning end-to-end circuit fault of transmission OTN network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109274421A CN109274421A (en) | 2019-01-25 |
| CN109274421B true CN109274421B (en) | 2022-03-01 |
Family
ID=65190420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811385774.5A Active CN109274421B (en) | 2018-11-20 | 2018-11-20 | Method for automatically positioning end-to-end circuit fault of transmission OTN network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109274421B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633082A (en) * | 2004-12-21 | 2005-06-29 | 中国联合通信有限公司 | A method and apparatus for fault location in communication network |
| CN1946038A (en) * | 2006-11-15 | 2007-04-11 | 华为技术有限公司 | Method and device for monitoring network quality |
| CN102684811A (en) * | 2011-03-16 | 2012-09-19 | 三菱电机株式会社 | Optical network system and WDM apparatus |
| EP2533549A1 (en) * | 2011-06-07 | 2012-12-12 | Alcatel Lucent | Fault detector for optical network communication system |
| CN103905114A (en) * | 2012-12-25 | 2014-07-02 | 中国移动通信集团广西有限公司 | Optical cable line failure point locating method, device and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090296A (en) * | 2007-07-31 | 2007-12-19 | 亿阳信通股份有限公司 | Diagnostic method and device for breakout of cable |
| CN103973359B (en) * | 2014-04-16 | 2016-05-25 | 烽火通信科技股份有限公司 | Automatization test system, method and device are switched in a kind of OTN protection |
| CN108664374B (en) * | 2018-05-17 | 2020-05-08 | 腾讯科技（深圳）有限公司 | Fault alarm model creating method and device and fault alarm method and device |
-
2018
- 2018-11-20 CN CN201811385774.5A patent/CN109274421B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1633082A (en) * | 2004-12-21 | 2005-06-29 | 中国联合通信有限公司 | A method and apparatus for fault location in communication network |
| CN1946038A (en) * | 2006-11-15 | 2007-04-11 | 华为技术有限公司 | Method and device for monitoring network quality |
| CN102684811A (en) * | 2011-03-16 | 2012-09-19 | 三菱电机株式会社 | Optical network system and WDM apparatus |
| EP2533549A1 (en) * | 2011-06-07 | 2012-12-12 | Alcatel Lucent | Fault detector for optical network communication system |
| CN103905114A (en) * | 2012-12-25 | 2014-07-02 | 中国移动通信集团广西有限公司 | Optical cable line failure point locating method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109274421A (en) | 2019-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1331773B1 (en) | Routing engine for telecommunications network | |
| US10868734B2 (en) | Service function chain detection path method and device | |
| KR100893783B1 (en) | A method for analyzing mutual relation of alarms in a synchronous optical transmission network | |
| CN101009518B (en) | Processing method of the failure relevancy monitoring for serial connection at different levels | |
| CN112866042B (en) | Network quality detection method, device, computer equipment and computer readable medium | |
| US20100128611A1 (en) | Transmitting apparatus, alarm control method, and computer product | |
| US7639603B2 (en) | Method and apparatus for setting up backup path | |
| US9426056B2 (en) | Method and system for determining alternate paths | |
| US6813240B1 (en) | Method of identifying low quality links in a telecommunications network | |
| CN103636172A (en) | Topology change in a network with ring topology | |
| CN109962801B (en) | Communication quality abnormity positioning method, device, equipment and medium | |
| CN110912606A (en) | Fault positioning method and device for PON cloud private network | |
| CN109274421B (en) | Method for automatically positioning end-to-end circuit fault of transmission OTN network | |
| RU2730390C1 (en) | Method and apparatus for automatic determination of inter-node communication topology in shared backup ring of transoceanic multiplex section | |
| US7680033B1 (en) | Network manager circuit rediscovery and repair | |
| CN100479449C (en) | Method for controlling flow | |
| US7580998B2 (en) | Method for describing problems in a telecommunications network | |
| EP2288054B1 (en) | Method for searching and establishing tcm path and management system for searching and establishing path | |
| CA2521518A1 (en) | Computing a path for an open ended uni-directional path protected switched ring | |
| CN107959628B (en) | Service route searching method and system | |
| Cho et al. | Minimizing protection switching time in transport networks with shared mesh protection | |
| US7536101B1 (en) | Communication system with cost based protection | |
| CN110086642B (en) | Method and device for determining network performance | |
| CN115065412B (en) | OLP (on-line performance) switching verification method and related device | |
| CN111277504B (en) | Method and system for inserting flow label in MPLS multilayer label stack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |