CN101990133A - Maintenance method and system for degradation alarm status of automatically switched optical network service - Google Patents
Maintenance method and system for degradation alarm status of automatically switched optical network service Download PDFInfo
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- CN101990133A CN101990133A CN2009101095027A CN200910109502A CN101990133A CN 101990133 A CN101990133 A CN 101990133A CN 2009101095027 A CN2009101095027 A CN 2009101095027A CN 200910109502 A CN200910109502 A CN 200910109502A CN 101990133 A CN101990133 A CN 101990133A
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Abstract
The invention provides maintenance method and system for the degradation alarm status of an automatically switched optical network service, which is applicable to the field of the automatic switched optical network. The maintenance method comprises the following steps that: a control plane reports a service degradation alarm to a management plane when a service fault appears and recovery fails; the management plane maintains the service according to the service degradation alarm status; and the control plane reports the disappearance of the service degradation alarm to the management when the service fault disappears. In the method, when recovery is needed after the service fault appears and recovery fails, the management plane of the automatically switched optical network triggers another trial recovery when needed or recovery conditions are met, and thus, the success rate of trial recovery is increased and the number of times of trial recovery is reduced.
Description
Technical field
The invention belongs to the ASON field, relate in particular in ASON, to the maintaining method and the system of business degradation alarm status based on digital synchronous system SDH.
Background technology
Survivability refers to that network still can continue the ability of normal operation when breaking down, and for the survivability that strengthens transport network and the integrality of keeping existing call, the ASON network need to adopt certain protection and Restoration Mechanism.
Protection refers to replace a stale resource will with a pre-assigned standby resources; Recovery refers to by substituting the connection of breaking down with the idle capacity of network again routing.
For the business of recovering attribute is arranged, in recovery process, following abnormal conditions may appear:
1) behind the selected restoration path, this restoration path also breaks down, and causes remaining interrupt status behind the switching services;
2) inadequate resource on the not enough or selected restoration path of resources in network can not carry the business of recovering.
Above situation can cause part or all of business normally not to be resumed.Should use certain mechanism this moment, again triggers recovery operation.And, may also should use certain mechanism this moment because fault generation or the protection activity of switching cause protection to connect and can't continue at M:N protection group business, trigger recovery operation once more.Adopting more recovery scheme at present is periodically to attempt setting up restoration path, until finish recovery operation.The defective of this scheme is that number of attempt is more, and it is lower to revert to power.
Summary of the invention
The object of the present invention is to provide maintaining method and the system of the professional degradation alarm status of a kind of ASON, be intended to solve under the prior art, revert to the low problem of power after service in automatic switched optical network breaks down.
The present invention is achieved in that the maintaining method of the professional degradation of a kind of ASON alarm status, and described maintaining method comprises:
Business breaks down and when recovering to fail, management plane is given in the alarm of control plane reporting service degradation;
Described management plane is safeguarded business according to business degradation alarm status;
When traffic failure disappeared, the alarm of control plane reporting service degradation disappeared to described management plane.
Another object of the present invention is to provide the maintenance system of the professional degradation of a kind of ASON alarm status, described maintenance system comprises:
Professional degradation alarm report unit is used for when business breaks down and recovers to fail, and management plane is given in the alarm of reporting service degradation;
The service maintenance unit is used for according to business degradation alarm status business being safeguarded on described management plane;
The alarm of professional degradation disappears and reports the unit, is used for when traffic failure disappears, and the alarm of reporting service degradation disappears to described management plane.
The invention has the beneficial effects as follows, when after recover attempting certain number of times, still failing, no longer periodically attempt recovering, but to the alarm of management plane reporting service degradation, wait for when demand is arranged or the recovery condition when satisfying management plane trigger and again recover to attempt.Because the comprehensive allotment of management plane, thereby the success rate and the reliability of trial have been guaranteed to recover.
Description of drawings
Fig. 1 is the maintaining method flow chart of the professional degradation of a kind of ASON alarm status that provides of the embodiment of the invention;
Fig. 2 is that 1+1SNCP has the schematic diagram that recovers to have the associated maintenance process of replying professional degradation alarm status in a kind of ASON of providing of the embodiment of the invention;
Fig. 3 is that 1+1SNCP has the schematic diagram that recovers not have the associated maintenance process of replying professional degradation alarm status in a kind of ASON of providing of the embodiment of the invention;
Fig. 4 is the schematic diagram of the associated maintenance process of the professional degradation of M:N protection group alarm status in a kind of ASON of providing of the embodiment of the invention;
Fig. 5 is the maintaining method particular flow sheet of the professional degradation of a kind of ASON alarm status that provides of the embodiment of the invention;
Fig. 6 is the maintenance system structure chart of the professional degradation of a kind of ASON alarm status that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, the business still failure after recover attempting certain number of times of breaking down, and producing to the alarm of management plane reporting service degradation can be waited for when demand be arranged or the recovery condition triggers when satisfying and again recovers to attempt by management plane.Thereby avoided periodically recovering to attempt caused unnecessary action, and because the comprehensive allotment of management plane reliability and the success rate of recovering trial have been improved.
Fig. 1 shows the maintaining method flow process of the professional degradation of a kind of ASON alarm status that the embodiment of the invention provides.This flow process comprises:
In step S101, business breaks down and when recovering to fail, management plane is given in the alarm of control plane reporting service degradation;
Business breaks down and when recovering to fail, and has carried out after the business of referring to breaks down that one or many recovers to attempt and when not being successfully recovered, and control plane triggers the alarm of professional degradation and produces indication and give management plane with the business alarm report of demoting.Concrete traffic failure situation is as described below.
In step S102, described management plane is safeguarded business according to business degradation alarm status;
To the business of some type, management plane can be when needed or the recovery condition again trigger when satisfying and recover to attempt, to eliminate traffic failure; The business of some type also can be disposed new protection group business or be issued clear command by management plane by management plane, to eliminate traffic failure.Specific as follows described, repeat no more.
In step S103, when traffic failure disappeared, the alarm of control plane reporting service degradation disappeared to this management plane.
The condition that corresponding different type of service had different judgement traffic failures to disappear when traffic failure disappeared, specific as follows described.When traffic failure disappeared, business was just recovered normal condition, so control plane triggers the professional degradation alarm indication that disappears, and the business alarm of demoting was disappeared and reported management plane.
Business breaks down and the situation recovering to fail comprises as follows:
Situation C1:
Service attribute: the protection type is unshielded business, and recovering type is dynamically to recover.
When work connects fault, connect if can not successfully set up corresponding recovery, then trigger professional degradation alarm indication.
Situation C2:
Service attribute: the protection type is the business of multiplex section protection, and recovering type is dynamically to recover.
When the multiplex section fault causes that connection fault and multiplex section protection lost efficacy, connect if can not successfully set up corresponding recovery, then trigger the professional alarm of demoting and produce indication.
Situation C3:
Service attribute: the protection type is the business of 1+1SNCP, and recovering type is dynamically to recover, and replys type and does not reply for having.
When work connects or protects the connection fault, connect as if can not successfully setting up corresponding recovery, the business that then triggers is demoted to alarm and is produced indication.
Situation C4:
Service attribute: the protection type is the business of 1+1SNCP, and recovering type is dynamically to recover, and replys type for answer is arranged.
The business multiple situation that broken down, trigger the alarms of professional degradation and produce indication there being two kinds:
1) work connects fault and protects the connection fault-free, or protection connects fault and the connection fault-free of working, and do not trigger recovery this moment, can not trigger the alarm of professional degradation yet and produce indication.
2) work connects when being connected all fault with protection, recovers to connect if can not successfully set up corresponding work, then triggers professional degradation alarm and produces indication.
Situation C5:
Service attribute: M:N protection group.
Protection connects breaks down, if allow to recover, then adding conditional recovers failure.Trigger professional degradation alarm this moment and produce indication.
Situation C6:
Service attribute: M:N protection group.
Protect to connect and protected one of them connection of working (switching services has arrived the protection connection to refer to connect this work upward), trigger the business degradation at this moment and alarm the generation indication.
Situation C7:
Service attribute: M:N protection group.
The protection group is in " protection blocking " after carrying out " protection locking " order, triggers professional degradation alarm this moment and produces indication.
The above-mentioned situation that triggers professional degradation alarm generation indication of having summed up; Enumerate the condition that professional degradation alarm disappears that triggers below again:
Condition N1: former connection fault disappears, or the former fault that continues to exist connected successfully sets up corresponding recovery by follow-up trigger mechanism and connect, or the network management plane transmitting order to lower levels changes and recover type for not having, and does not promptly consider to protect the variation of type.
Condition N2: mainly for M:N protection group business.The protection of this business connects fault-free, and the protection connection does not protect any work to connect and protection connects the protection blocking state that is not in.
The situation that corresponding business degradation alarm disappears comprises:
Situation C8:
For situation C1, C2, the described type of service of C3, C4, if satisfy condition N1, and reported before professional degradation alarm generation, then the alarm of the professional degradation of triggering disappears and indicates.
Need to prove especially not have the business of answer for 1+1SNCP, following special circumstances arranged:
C801: work connects fault and recovers failure, and the alarm of reporting service degradation produces indication.Protection connects fault again, and recovers successfully, the N1 that satisfies condition at this moment, and alarm disappears and indicates but the business that should not trigger is demoted.
C802: protection connects fault and recovers successfully, and the connection fault that proceeds with one's work and recovery are failed, and reporting service degradation alarm generation is indicated, and protect again and recover to connect fault and recover successfully, the N1 that satisfies condition at this moment, alarm disappears and indicates but the business that should not trigger is demoted.
Therefore; there is not the business of answer for 1+1SNCP; satisfying the disappearance of former connection recovery fault; or the former fault of sustainable existence connected by follow-up trigger mechanism successfully set up corresponding recovery when connecting; whether all the work of also need judging connect and be connected connection fault-free, can trigger professional degradation alarm disappearance indication.
Situation C9:
For scene C5, C6, the described M:N protection group of C7 business, if satisfy condition N2, and reported before professional degradation alarm generation, then the alarm of the professional degradation of triggering disappears and indicates.
In order to illustrate that better the embodiment of the invention, Fig. 2 to Fig. 4 show the associated maintenance process of the business degradation alarm status of several business in the ASON.Fig. 2 shows in a kind of ASON that the embodiment of the invention provides 1+1SNCP to be had and recovers to have the associated maintenance process of replying professional degradation alarm status.Fig. 2 (A) recovers have the work of the business of answer to connect the schematic diagram that breaks down for 1+1SNCP has; Fig. 2 (B) recovers to have for 1+1SNCP has to reply professional work connection and be connected and connects the schematic diagram that breaks down; Fig. 2 (C) recovers to have for 1+1SNCP has and replys the schematic diagram that professional recovery is connected with fault or recovers to fail, and this moment is to the alarm of management plane reporting service degradation; Fig. 2 (D) recovers to have for 1+1SNCP has and replys the schematic diagram that professional protection connection fault is restored, and disappear to the alarm of management plane reporting service degradation this moment; Fig. 2 (F) recovers to have for 1+1SNCP has and replys the schematic diagram that professional work connects the fault disappearance, and disappear to the alarm of management plane reporting service degradation this moment.
Fig. 3 shows in a kind of ASON that the embodiment of the invention provides 1+1SNCP to be had and recovers not have the associated maintenance process of replying professional degradation alarm status.Fig. 3 (A) recovers not have for 1+1SNCP has and replys professional work connection fault and recover the schematic diagram of failure, and this moment is to the alarm of management plane reporting service degradation; Fig. 3 (B) recovers not have the schematic diagram of replying professional protection connection fault but being successfully recovered for 1+1SNCP has, this moment is not to the alarm of management plane reporting service degradation; Fig. 3 (C) recovers not have the professional protection connection fault of answer but is successfully recovered for 1+1SNCP has, and work connects the schematic diagram that fault is recovered to fail, at this moment to the alarm of management plane reporting service degradation; Fig. 3 (D) recovers not have the protection connection fault of the business of answer but is successfully recovered for 1+1SNCP has; and work connection fault is recovered failure; taking place to recover the schematic diagram of failure when protection connects fault, do not disappear to the alarm of management plane reporting service degradation this moment again.
Fig. 4 shows the associated maintenance process of the professional degradation of M:N protection group alarm status in a kind of ASON that the embodiment of the invention provides.Fig. 4 (A) connects the schematic diagram that breaks down for the protection of M:N protection group business, needs the alarm of reporting service degradation this moment; Fig. 4 (B) connects the schematic diagram of having protected a job to connect for the protection of M:N protection group business, needs the alarm of reporting service degradation this moment.
Fig. 5 shows the idiographic flow of the maintaining method of the professional degradation of a kind of ASON alarm status that the embodiment of the invention provides.This flow process specifically comprises:
In step S501, when satisfying situation C1, C2, C3, C4, C5, C6, C7, control plane triggers the alarm of professional degradation and produces indication, and professional degradation alarm status is TRUE.
In step S502, control plane produces to the alarm of management plane reporting service degradation.
In step S503, management plane is safeguarded business according to business degradation alarm status.
As to situation C1, C2, C3, C4, C5, management plane can trigger recovery again when the recovery condition satisfies; For situation C5, management plane is configurable new protection group business also; For situation S7, management plane can issue " removing " order.Repeat no more
In step S504, satisfy under scene C8, the C9, control plane triggers professional degradation alarm disappearance indication, and professional degradation alarm status is FALSE.
In step S505, control plane disappears to the alarm of management plane reporting service degradation.
Fig. 6 shows the maintenance system structure of the professional degradation of a kind of ASON alarm status that the embodiment of the invention provides.For convenience of description, only show part related to the present invention here.This concrete structure comprises:
Professional degradation alarm report unit 601 is used for when business breaks down and recovers to fail, and management plane is given in the alarm of reporting service degradation; Specifically as mentioned above.
Professional degradation alarm disappears and reports unit 603, is used for when traffic failure disappears, and the alarm of reporting service degradation disappears and gives described management plane; Specifically as mentioned above.
Recover to attempt trigger subelement, be used for waiting for when demand is arranged or the recovery condition triggers when satisfying and recovers once more to attempt;
The business configuration subelement is used for connecting the business degradation alarm of breaking down and triggering when recovering to fail for the professional protection of M+N protection, waits for when demand is arranged or recovery condition new protection group business of configuration when satisfying;
Clear command issues subelement, is used for waiting for issuing clear command when demand is arranged for be in protection business of triggering degradation alarm during blocking in M+N protection business.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the maintaining method of the professional degradation of ASON alarm status is characterized in that described maintaining method comprises:
Management plane is given in the alarm of control plane reporting service degradation;
Described management plane is safeguarded business according to business degradation alarm status;
When traffic failure disappeared, the alarm of described control plane reporting service degradation disappeared to described management plane.
2. maintaining method as claimed in claim 1 is characterized in that, described management plane is safeguarded business according to professional degradation alarm status and comprised:
Described management plane is waited for when demand is arranged or the recovery condition triggers when satisfying and recovers once more to attempt after business degradation alarm produces; Or
Connect for the professional protection of M+N protection and to break down and business of triggering degradation alarm when recovering to fail, described management plane is waited for when demand is arranged or recovery condition new protection group business of configuration when satisfying; Or
For be in protection business of triggering degradation alarm during blocking in M+N protection business, described management plane is waited for and is issued clear command when demand is arranged.
3. maintaining method as claimed in claim 2 is characterized in that, the situation that described traffic failure disappears comprises:
There is answer professional for the unprotect business, multiplexing protection service or the 1+1 SNCP that trigger professional degradation alarm generation indication, its former connection fault disappears or the former fault of sustainable existence is connected and connects by follow-up recovery trial and success, or the management plane transmitting order to lower levels changes and recovers type when no;
Do not have for the 1+1 SNCP that triggers the alarm of professional degradation and produce indication and to reply professionally, its work connects and be connected the former connection fault that connects all to disappear or the former fault of sustainable existence connected by follow-up recovery trial and all successfully connects.
4. maintaining method as claimed in claim 3 is characterized in that, the situation that described traffic failure disappears also comprises:
Triggered the M:N protection group business that the professional alarm of demoting produces, it is protected to connect fault-free and protect to connect not protect any work to connect and protect to connect and is not in the protection blocking.
5. the maintenance system of the professional degradation of ASON alarm status is characterized in that described maintenance system comprises:
Professional degradation alarm report unit is used for when business breaks down and recovers to fail, and management plane is given in the alarm of reporting service degradation;
The service maintenance unit is used for according to business degradation alarm status business being safeguarded on described management plane;
The alarm of professional degradation disappears and reports the unit, is used for when traffic failure disappears, and the alarm of reporting service degradation disappears to described management plane.
6. maintenance system as claimed in claim 5 is characterized in that, described service maintenance unit comprises:
Recover to attempt trigger subelement, be used for waiting for when demand is arranged or the recovery condition triggers when satisfying and recovers once more to attempt;
The business configuration subelement is used for connecting the business degradation alarm of breaking down and triggering when recovering to fail for the professional protection of M+N protection, waits for when demand is arranged or recovery condition new protection group business of configuration when satisfying;
Clear command issues subelement, is used for waiting for issuing clear command when demand is arranged for be in protection business of triggering degradation alarm during blocking in M+N protection business.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109502.7A CN101990133B (en) | 2009-07-31 | 2009-07-31 | Maintenance method and system for degradation alarm status of automatically switched optical network service |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109502.7A CN101990133B (en) | 2009-07-31 | 2009-07-31 | Maintenance method and system for degradation alarm status of automatically switched optical network service |
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| Publication Number | Publication Date |
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| CN101990133A true CN101990133A (en) | 2011-03-23 |
| CN101990133B CN101990133B (en) | 2014-02-19 |
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| CN200910109502.7A Expired - Fee Related CN101990133B (en) | 2009-07-31 | 2009-07-31 | Maintenance method and system for degradation alarm status of automatically switched optical network service |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2014077313A1 (en) * | 2012-11-16 | 2017-01-05 | 日本電気株式会社 | COMMUNICATION SYSTEM, CONTROL DEVICE, ITS CONTROL METHOD, AND PROGRAM |
| CN112422350A (en) * | 2020-12-15 | 2021-02-26 | 四川福泰美科技有限公司 | Switch thing networking global positioning and alarm device and system |
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| EP1942604A1 (en) * | 2006-05-10 | 2008-07-09 | Huawei Technologies Co., Ltd. | A service switching method and the network node thereof |
| CN101325456A (en) * | 2008-07-24 | 2008-12-17 | 中兴通讯股份有限公司 | Method for processing degrade of TE link in an optical network |
| CN101360008A (en) * | 2008-08-25 | 2009-02-04 | 中兴通讯股份有限公司 | Method for transmitting alarm on transmission plane when alarm generated by service |
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2009
- 2009-07-31 CN CN200910109502.7A patent/CN101990133B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1942604A1 (en) * | 2006-05-10 | 2008-07-09 | Huawei Technologies Co., Ltd. | A service switching method and the network node thereof |
| CN101325456A (en) * | 2008-07-24 | 2008-12-17 | 中兴通讯股份有限公司 | Method for processing degrade of TE link in an optical network |
| CN101360008A (en) * | 2008-08-25 | 2009-02-04 | 中兴通讯股份有限公司 | Method for transmitting alarm on transmission plane when alarm generated by service |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2014077313A1 (en) * | 2012-11-16 | 2017-01-05 | 日本電気株式会社 | COMMUNICATION SYSTEM, CONTROL DEVICE, ITS CONTROL METHOD, AND PROGRAM |
| CN112422350A (en) * | 2020-12-15 | 2021-02-26 | 四川福泰美科技有限公司 | Switch thing networking global positioning and alarm device and system |
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| Publication number | Publication date |
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| CN101990133B (en) | 2014-02-19 |
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Granted publication date: 20140219 Termination date: 20190731 |