CN101336004A - Method for determining connection failure in ASON - Google Patents
Method for determining connection failure in ASON Download PDFInfo
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- CN101336004A CN101336004A CNA2008101427494A CN200810142749A CN101336004A CN 101336004 A CN101336004 A CN 101336004A CN A2008101427494 A CNA2008101427494 A CN A2008101427494A CN 200810142749 A CN200810142749 A CN 200810142749A CN 101336004 A CN101336004 A CN 101336004A
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Abstract
The invention provides a method of judging linkage fault in an automatic exchange optical network. When the optical network is provided with warning information report, the method comprises: judging as linkage generating channel warning, wherein the warning information is generated by non-multiplexing segment warning, detecting channel warning information at a positive direction port and a reverse direction port according to connecting types and the first node and the last node, judging fault state in the channel; judging whether the linkage has fault through the channel warn vanishing information received by the first node and the last node when determining that the linkage generation channel warn disappears. According to the method of the invention, the position of the fault is determined through judging the aspects of the multiplexing segment warning, the channel warning and the channel warning vanishing and the like, on the linkage fault generated in the automatic exchange optical network, thereby completely and effectively finding network fault, advancing positioning speed of the network and the channel fault, increasing fault clearance efficiency and network performance.
Description
Technical field
The present invention relates to the Automatic Switched Optical Network Technology field, relate in particular to and judge the method that connects fault in a kind of ASON.
Background technology
ASON (Automatically Switched Optical Network) is under routing and signaling control, finish the optical-fiber network of new generation of automatic function of exchange, it is a kind of normalized intelligent optical transfer network, having represented the main flow direction of following ASON development, is typical case's representative of intelligent optical transport network of future generation.ASON introduces the transmission net with signaling and routing first, set up by the control aspect of intelligence and to call out and be connected, make exchange, transmission, three fields of data increase a new common factor again, realized that route setting truly, teleservice scheduling and network recover automatically, be the important breakthrough that once has milestone significance of optical transfer network, be widely regarded as the mainstream technology of optical-fiber network of future generation.
Development along with optical transport technology, ASON has become the next developing direction of optical transmission, the important feature of ASON is after issuing the connection request of foundation from control plane, can seek route automatically, build up the connection that meets the demands, and after the good connection of foundation is broken down, can recover automatically as requested to connect, guarantee to connect normally, judge to connect the essential condition whether fault is the normal operation of ASON.Network failure of the prior art comprises the fine fault in pass own, as close fine disconnected, the faults that the network hardware caused such as transmission veneer, the fault that is taken place that also comprises the network different aspects, because ASON technology relative complex, the non-tunnel of setting up that is connected with connects, the tunnel connects, polytypes such as accurate tunnel connection, and unidirectional connection is arranged according to the direction differentiation, types such as two-way connection, the failure cause that produces also has and detects the multiplex section alarm in the connection, reasons such as channel alarm, if in above-mentioned connection procedure, break down, just need fast, the position that fault location took place exactly, the judgement of present network failure also lacks comprehensively, complete and effective decision method if can not find fault in time, finally causes network performance low.
Summary of the invention
The objective of the invention is, the problem that exists at above-mentioned prior art provides the method for judging the connection fault in a kind of ASON, and fixer network and passage connect fault fully and effectively, improve network performance.
Technical scheme of the present invention is as follows:
Judge the method that connects fault in a kind of ASON, wherein, when alarming information report appears in the optical-fiber network connection, comprise the steps:
A, judgement warning information are that non-multiplex section warning information produces execution in step b;
B, judge whether to be that channel alarm information produces, detect positive direction inbound port, the channel alarm information of inbound port in the other direction respectively, judge passage internal fault state, if be judged as non-channel alarm when producing, execution in step c according to connection type and initial and end node;
C, determine that interface channel alarm disappears, and by the channel alarm disappearance information that the initial and end node is received, judges channel attached malfunction.
Described method, wherein, described step a is further comprising the steps of: a10, judgement multiplex section warning information produce, and described multiplex section connects and has fault, judges and finishes.
Described method, wherein, described step a10 specifically comprises the steps:
Whether a11, described multiplex section connect is unidirectional connection, if, judge that this connection produces fault, judge and finish, otherwise execution in step a21;
It is two-way connection that a21, described multiplex section connect, and detects other node beyond the initial and end node according to positive and negative direction and whether has received that the multiplex section alarm judges whether this connection has fault.
Described method, wherein, described step a21 specifically comprises:
A211, received the multiplex section alarm, determined then that described multiplex section connects to produce fault at positive direction other node except first node;
A212, received the multiplex section alarm, determined that then described multiplex section connects the generation fault at other node except tail node in the other direction.
Described method, wherein, described step b also comprises the steps:
B1, judge whether described channel alarm produces is unidirectional connection, if, judge to produce fault in the described passage, judge and finish, otherwise execution in step b2;
It is two-way connection that b2, described channel alarm produce, and does not receive channel alarm when the first node of positive direction inbound port and produces, and detects channel alarm in tail node and produces, then determine to connect in the described passage to have fault, otherwise execution in step b3;
It is two-way connection that b3, described channel alarm produce connection, does not receive channel alarm when the tail node of opposite direction inbound port and produces, and produces to channel alarm in first node detection, determines that then there is fault in interior connection of described passage.
Described method, wherein, the connection type that described channel alarm produces comprises that non-tunnel channel alarm produces, the tunnel channel alarm produces and accurate tunnel channel alarm produces.
Described method, wherein, described step c also comprises:
C10, the described channel alarm disappearance of judgement are unidirectional connections, then judge this connection fault-free, otherwise execution in step c20;
C20, described connection are that two-way interface channel alarm disappears, and detect the channel alarm disappearance information of initial and end node according to positive and negative direction and judge the malfunction that connects.
Described method, wherein, described step c20 specifically comprises:
C21, when receiving that channel alarm disappears, the positive direction tail node judges whether there is fault in the other direction, if, judge that this is connected with fault, otherwise should connect fault-free, judge and finish;
C22, when in the other direction first node receives that channel alarm disappears, judge whether positive direction exists fault, if, judge that this is connected with fault, otherwise should connect fault-free, judge end.
Judge the method that connects fault in a kind of ASON provided by the present invention, to contingent connection fault in the ASON, by connection type is determined location of fault with closure and to the judgement that detects aspects such as multiplex section alarm, channel alarm in being connected, comprehensively, complete and effectively find network failure, improve network and channel failure locating speed, thereby improved the efficient of fault eliminating and the performance of network.
Description of drawings
Fig. 1 is the two-way non-tunnel of the present invention connection multiplexing section alarm figure;
Fig. 2 connects alarm figure for the two-way non-tunnel of the present invention;
Fig. 3 is bidirectional tunnel interface channel alarm figure of the present invention;
Fig. 4 is the two-way accurate tunnel channel alarm figure of the present invention;
Fig. 5 schemes for the two-way non-tunnel of the present invention channel alarm disappears;
Fig. 6 a, 6b and 6c are workflow schematic diagram of the present invention.
Embodiment
The embodiment of the invention provides judges the method that connects fault in a kind of concrete ASON, clearer, clear and definite for making purpose of the present invention, technical scheme and advantage, below develops simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
Judge that in order to solve existing shortage is comprehensive in the connection failure process in ASON, complete and effective decision method problem, the present invention adopts the connection type from passage, closure and to many-sided judgement such as multiplex section alarm and channel alarm location of fault, comprehensively, complete and improved the efficient that fault is got rid of effectively, its core concept is: the first step: at first multiplex section is carried out fault verification, judge whether the multiplex section warning information produces, if warning information is created in the multiplex section layer, illustrate that there is fault in the multiplex section connection, if not, need judge whether it is channel alarm; Second step: when producing channel alarm, it is that alarm produces or passage is alarmed generation outward in the passage that the channel alarm of being received according to the initial and end node produces signal determining, alarms generation outside passage, then shows to connect fault-free in the passage, judges and finishes; Produce if alarm in the passage, judge in the passage according to connection type, the closure continuation of passage to connect fault; The 3rd step: if there is not channel alarm, need judge the channel alarm disappearance information that equipment sent, after definite connection produced the channel alarm disappearance according to closure, the channel alarm of being received by the initial and end node disappeared, judgement connection malfunction.Because the present invention by connection type is determined location of fault with closure and to the judgement that detects aspects such as multiplex section alarm, channel alarm in being connected, has reached the purpose of comprehensive judgement fault.
In order to be illustrated more clearly in the present invention, be described below in conjunction with accompanying drawing 1 to accompanying drawing 5.Adopt the ASON networking diagram of 5 nodes in the accompanying drawing of present embodiment, be respectively A, B, C, D, E node, 3 nodes have been experienced in the connection of foundation, are respectively A, C, E, wherein set node headed by the A, and E is a tail node; General estimation according to the optical network node alarm, if intra-node alarm, the alarm of upstream extremity alarm filter downstream, if upstream fault-free, break down in the downstream, then fault location is in this node inside, if the upstream have that fault again can not the location, ground think and this node fault-free be upstream node place fault.
The present invention at first carries out fault verification to optical multiplex layer, according to closure: if unidirectional connection, connect and produce the multiplex section alarm, conclude then that the multiplex section layer connects to produce fault; If two-way connection, the needs basis is in positive direction or (positive direction refers to that first node is to the tail node direction in the other direction, refer to that in the other direction tail node is to first node direction) initial and end multiplex section that node is received alarm generation, judge whether the connection of multiplex section layer produces fault, when other node except first node in positive direction multiplex section alarm generation connects has been received the multiplex section alarm, show that then this connection produces fault, if in the other direction, other node during the multiplex section alarm refers to connect except tail node has been received the multiplex section alarm, shows that then this connection produces fault; Accompanying drawing 1 expression is set up two-way non-tunnel and is connected the situation that tail node is received the multiplex section alarm, and tail node E receives the multiplex section alarm, shows that this is connected with fault.
If optical multiplex layer carries out not having fault behind the fault verification, judge whether it is that channel alarm produces; When producing channel alarm, it is that alarm produces or passage is alarmed generation outward in the passage that the channel alarm of being received according to the initial and end node produces signal determining, alarms generation outside passage, then shows to connect fault-free in the passage, judges and finishes; Produce if alarm in the passage, judge in the passage according to connection type, the closure of passage to connect fault, its decision method is: connection produces channel alarm, judges whether that the interior alarm of passage produces; If judge is that alarm produces then this is connected with fault in the passage; Here describe in the passage alarm and produce and being meant if connects positive direction, the channel alarm here produces and refers to that tail node has received that channel alarm produces and the first node inbound port of this connection is not received the channel alarm generation; If in the other direction, the channel alarm here produces and refers to that first node has received that channel alarm produces and this connection tail node inbound port is not received the channel alarm generation.Need to prove that positive direction only needs tail node sense channel alarm status,, need this moment to judge that there is fault in this connection because the channel alarm that this connection produces finally all will pass to tail node; Only need first node detection channel alarm state in the other direction,, need this moment to judge that there is fault in this connection because the channel alarm that this connection produces finally all will pass to first node.Connect the generation channel alarm,, then should connect fault-free if passage is alarmed generation outward; Concrete grammar is: describe passage here and alarm outward to produce and be meant if connects positive direction, the channel alarm here produces and refers to not only that tail node has received that channel alarm produces and the first node inbound port of this connection is also received the channel alarm generation; If in the other direction, the channel alarm here produces and refers to that not only first node has received that channel alarm produces and this connection tail node inbound port is also received the channel alarm generation.
Accompanying drawing 2, Fig. 3 has represented that with Fig. 4 two-way non-tunnel is connected, bidirectional tunnel connects and two-way accurate tunnel interface channel alarm figure; Wherein each step is as follows:
A), judge that wherein channel alarm judges that at first whether non-tunnel interface channel alarm produce, if be that non-tunnel channel alarm produces, need judge whether that the interface channel alarm of unidirectional non-tunnel produces, if interface channel alarm in unidirectional non-tunnel produces, judge that there is fault in this connection this moment; If interface channel alarm in two-way non-tunnel produces, judge it is positive direction or opposite direction according to the direction that connects, if positive direction, the channel alarm here produces and refers to that tail node E has received that channel alarm produces and the first node A of this connection inbound port is not received the channel alarm generation; If in the other direction, the channel alarm here produces and refers to that first node A has received that channel alarm produces and this connections tail node E inbound port is not received the channel alarm generation, judges that there is fault in this connection at this moment; Accompanying drawing 2 is to have set up two-way non-tunnel connection tail node to receive that the first node of channel alarm does not have the situation of channel alarm, and tail node E receives channel alarm, and first node A does not receive channel alarm, shows that this is connected with fault.
B), judge whether tunnel channel alarm generation, if channel alarm generation in tunnel then need judge whether it is that the alarm of unidirectional tunnel interface channel produces, if unidirectional tunnel interface channel alarm generation judges that there is fault in this connection; If the alarm of bidirectional tunnel interface channel produces, judge it is positive direction or opposite direction according to the direction that connects, if connecting is positive direction, the channel alarm here produces and refers to that tail node E has received the channel alarm generation, if in the other direction, the channel alarm here produces and refers to that the A node received the channel alarm generation, and judge that there is fault in this connection this moment; Be to have set up bidirectional tunnel to connect the situation that tail node is received channel alarm as shown in Figure 3, this tunnel connects tail node E and receives channel alarm, shows that this is connected with fault.
C), judge whether that the interface channel alarm of accurate tunnel produces, if interface channel alarm in accurate tunnel produces, need judge whether that then first node A has the interface channel alarm of the unidirectional accurate tunnel of intersection to produce, if first node A has the interface channel alarm of the unidirectional accurate tunnel of intersection to produce, the channel alarm here produces and refers to that tail node E has received that channel alarm produces and the first node A of this connections inbound port is not received the channel alarm generation, judges that there is fault in this connection at this moment; If first node A has the interface channel alarm of the two-way accurate tunnel of intersection to produce, judge it is positive direction or opposite direction according to the direction that connects, if connecting is positive direction, the channel alarm here produces and refers to that tail node E has received that channel alarm produces and the first node A of this connection inbound port is not received the channel alarm generation, if in the other direction, the channel alarm here produces and refers to that first node A has received the channel alarm generation, need to prove that positive direction only needs tail node E sense channel alarm status, because the channel alarm that this connection produces finally all will pass to tail node, need this moment to judge that there is fault in this connection; If tail node E has and intersects the interface channel alarm of unidirectional accurate tunnel and produce, the channel alarm here produces and refers to that tail node E has received that channel alarm produces and the first node A of this connections inbound port is not received the channel alarm generation, judges that there is fault in this connection at this moment; If tail node E has the interface channel alarm of the two-way accurate tunnel of intersection to produce, then need judge their closure, if connecting is positive direction, the channel alarm here produces and refers to that tail node E has received the channel alarm generation, if in the other direction, the channel alarm here produces and refers to that first node A has received that channel alarm produces and tail node E inbound port place does not receive that channel alarm produces, and judge that there is fault in this connection this moment.Be to have set up first node to have the two-way accurate tunnel connection tail node of intersection to receive channel alarm as shown in Figure 4, first node is with nowhere to turn to alert situation, and this head node A has cross-coupled accurate tunnel connection tail node E to receive alarm, and then this is connected with fault to first node A with nowhere to turn to the police.According to top described, the invention provides the situation that two-way non-tunnel connects, bidirectional tunnel connects and interface channel alarm in two-way accurate tunnel produces for channel alarm, from the unidirectional and two-way method of having illustrated failure judgement that is connected.
After channel alarm reports, promptly not that multiplex section alarm generation information neither produce information by channel alarm, just need judge whether to come from channel alarm disappearance information and produce through judging; If judge it is that the interface channel alarm disappears, need judge that then it still is that two-way interface channel alarm disappears that unidirectional interface channel alarm disappears, if the alarm of unidirectional interface channel disappears, then should connect fault-free; If two-way interface channel alarm disappears, the closure that then need judge them is positive direction or opposite direction, if positive direction, tail node E receives that channel alarm disappears, need this moment to judge again and whether have fault in the other direction, if opposite direction has fault then this connection still has fault, if opposite direction does not have fault then judge this connection fault-free; If in the other direction, first node A receives that channel alarm disappears, and need judge whether positive direction exists fault this moment again, and this connection still has fault if there is fault in positive direction, this connection fault-free if positive direction does not have fault; Be to have set up two-way non-tunnel connection tail node to receive that channel alarm disappears as shown in Figure 5, and in the other direction with nowhere to turn to alert situation, tail node E channel alarm disappears, and opposite direction then should connect fault to disappear with nowhere to turn to the police, was normal condition.
Understand for the present invention being had further, below in conjunction with Fig. 6 flow process of the present invention is described in detail, wherein accompanying drawing 6 comprises 6a, 6b and 6c, the L point of the L point map interlinking 6b of Fig. 6 a, and the M point of the M point map interlinking 6c of Fig. 6 b, accompanying drawing 6 comprises the steps:
Whether step 3, judgement alarm are caused by channel failure, if not, execution in step 4, if channel failure causes the generation warning information, according to connection type connect from non-tunnel, the tunnel connects and interface channel alarm in accurate tunnel produces failure judgement to come from which kind of connection type.
Judge whether it is that non-tunnel channel alarm produces, if not, execution in step 4 if be that non-tunnel channel alarm produces, judges whether that the interface channel alarm of unidirectional non-tunnel produces, if judge that there is fault in this connection this moment, judges and finishes;
Produce if not the alarm of unidirectional non-tunnel interface channel, judge whether that two-way non-tunnel positive direction channel alarm produces, if, judge whether that first node do not receive that channel alarm produces, if, judge that there is fault in this connection, judge and finish, otherwise it is constant to connect malfunction, judges and finishes;
Produce if not two-way non-tunnel positive direction channel alarm, need judge whether that tail node do not receive that channel alarm produces, if there is fault in this connection, judges and finish, otherwise it is constant to connect malfunction, judges and finishes;
Describe according to step shown in Figure 6, respectively from the warning information type, connection type, closure etc. all possible situation are judged one by one, reach the purpose of multianalysis.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1, judge the method that connects fault in a kind of ASON, it is characterized in that, when alarming information report appears in the optical-fiber network connection, comprise following treatment step:
A, judgement warning information are that non-multiplex section warning information produces execution in step b;
B, judge whether to be that channel alarm information produces, detect positive direction inbound port, the channel alarm information of inbound port in the other direction respectively according to connection type and initial and end node, judge passage internal fault state, if be judged as non-channel alarm information when producing, execution in step c;
C, determine that interface channel alarm disappears, and by the channel alarm disappearance information that the initial and end node is received, judges channel attached malfunction.
2, method according to claim 1 is characterized in that, described step a is further comprising the steps of:
A10, judgement multiplex section warning information produce, and described multiplex section connects and has fault, judges and finishes.
3, method according to claim 2 is characterized in that, described step a10 specifically comprises the steps:
Whether a11, described multiplex section connect is unidirectional connection, if, judge that this connection produces fault, judge and finish, otherwise execution in step a21;
It is two-way connection that a21, described multiplex section connect, and detects other node beyond the initial and end node according to positive and negative direction and whether has received that the multiplex section alarm judges whether this connection has fault.
4, method according to claim 3 is characterized in that, described step a21 specifically comprises:
A211, received the multiplex section alarm, determined then that described multiplex section connects to produce fault at positive direction other node except first node;
A212, received the multiplex section alarm, determined that then described multiplex section connects the generation fault at other node except tail node in the other direction.
5, method according to claim 1 is characterized in that, described step b also comprises the steps:
B1, judge whether described channel alarm produces is unidirectional connection, if, judge to produce fault in the described passage, judge and finish, otherwise execution in step b2;
It is two-way connection that b2, described channel alarm produce, and does not receive channel alarm when the first node of positive direction inbound port and produces, and detects channel alarm in tail node and produces, then determine to connect in the described passage to have fault, otherwise execution in step b3;
It is two-way connection that b3, described channel alarm produce connection, does not receive channel alarm when the tail node of opposite direction inbound port and produces, and produces to channel alarm in first node detection, determines that then there is fault in interior connection of described passage.
6, method according to claim 5 is characterized in that, the connection type that described channel alarm produces comprises that non-tunnel channel alarm produces, the tunnel channel alarm produces and accurate tunnel channel alarm produces.
7, method according to claim 1 is characterized in that, described step c also comprises:
C10, the described channel alarm disappearance of judgement are unidirectional connections, then judge this connection fault-free, otherwise execution in step c20;
C20, described connection are that two-way interface channel alarm disappears, and detect the channel alarm disappearance information of initial and end node according to positive and negative direction and judge the malfunction that connects.
8, method according to claim 7 is characterized in that, described step c20 specifically comprises:
C21, when receiving that channel alarm disappears, the positive direction tail node judges whether there is fault in the other direction, if, judge that this is connected with fault, otherwise should connect fault-free, judge and finish;
C22, when in the other direction first node receives that channel alarm disappears, judge whether positive direction exists fault, if, judge that this is connected with fault, otherwise should connect fault-free, judge end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101427494A CN101336004B (en) | 2008-07-29 | 2008-07-29 | Method for determining connection failure in ASON |
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| CN2008101427494A CN101336004B (en) | 2008-07-29 | 2008-07-29 | Method for determining connection failure in ASON |
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| CN101336004A true CN101336004A (en) | 2008-12-31 |
| CN101336004B CN101336004B (en) | 2011-05-11 |
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| CN2008101427494A Expired - Fee Related CN101336004B (en) | 2008-07-29 | 2008-07-29 | Method for determining connection failure in ASON |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457403A (en) * | 2010-10-15 | 2012-05-16 | 无锡江南计算技术研究所 | Method and device for detecting network connection faults |
| CN112398530A (en) * | 2020-11-02 | 2021-02-23 | 中国联合网络通信集团有限公司 | Method and device for determining fiber breaking position |
-
2008
- 2008-07-29 CN CN2008101427494A patent/CN101336004B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457403A (en) * | 2010-10-15 | 2012-05-16 | 无锡江南计算技术研究所 | Method and device for detecting network connection faults |
| CN102457403B (en) * | 2010-10-15 | 2015-02-11 | 无锡江南计算技术研究所 | Method and device for detecting network connection faults |
| CN112398530A (en) * | 2020-11-02 | 2021-02-23 | 中国联合网络通信集团有限公司 | Method and device for determining fiber breaking position |
| CN112398530B (en) * | 2020-11-02 | 2022-02-15 | 中国联合网络通信集团有限公司 | Method and device for determining fiber breaking position |
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| Publication number | Publication date |
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| CN101336004B (en) | 2011-05-11 |
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