WO2012048569A1 - 一种1+1保护方法及故障检测装置 - Google Patents

一种1+1保护方法及故障检测装置 Download PDF

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Publication number
WO2012048569A1
WO2012048569A1 PCT/CN2011/074297 CN2011074297W WO2012048569A1 WO 2012048569 A1 WO2012048569 A1 WO 2012048569A1 CN 2011074297 W CN2011074297 W CN 2011074297W WO 2012048569 A1 WO2012048569 A1 WO 2012048569A1
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Prior art keywords
fault
protection
path
alarm
work
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PCT/CN2011/074297
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English (en)
French (fr)
Inventor
姚春星
富森
方瑜
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中兴通讯股份有限公司
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Publication of WO2012048569A1 publication Critical patent/WO2012048569A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03Arrangements for fault recovery
    • H04B10/032Arrangements for fault recovery using working and protection systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Definitions

  • the present invention relates to protection techniques in optical transport networks (OTN), and more particularly to a 1+1 protection method and fault detection apparatus.
  • OTN optical transport networks
  • a typical 1+1 automatic protection switching (APS) system consists of a fault detection unit (located at the fault detection point), an execution unit, and a control unit.
  • the fault detecting unit is configured to detect the fault, and notify the control unit of the detected fault, and the control unit analyzes the fault and then controls the executing unit to perform the protection action.
  • the fault detection point has a work and protection point, that is, a fault detection point located on the working path and a fault detection point located on the protection path, thereby facilitating the control unit to determine whether the working path or the protection path is faulty, and then Correctly control the protection action of the execution unit.
  • Figure 1 is a schematic diagram of a 1+1 protection application scenario. As shown in Figure 1, the fault detection point 1 is located on the working path, and the fault occurring on the working path can be detected. The fault detection point 2 is located on the protection path, and the protection path can be detected. The failure occurred. The fault detection points are all located in the protection domain.
  • the fault detection point 3 in FIG. 1 the fault detection point has a more powerful fault detection capability, and can detect faults that cannot be detected by the fault detection point 1 and the fault detection point 2, but the fault detection point 3 is located. Outside the protection domain, it is not intuitive to determine whether the detected failure occurred on the working path or on the protection path. This is also not conducive to fault location. Summary of the invention
  • the main object of the present invention is to provide a 1+1 protection method and fault detection.
  • the device can make full use of fault detection points outside the protection domain to better protect the system.
  • the technical solution of the present invention is achieved as follows:
  • a 1+1 protection method includes: detecting a fault alarm by a fault detection point outside the protection domain, and determining, according to the current service bearer, a work fault/protection fault alarm on the working path/protection path; determining the generated according to the fault state
  • the fault alarm is fault occurrence/failure disappears.
  • the work/protection fault processing is performed.
  • the work/protection alarms of the fault detection points outside the protection domain are sequentially set to disappear, and the protection/work alarm disappears.
  • the method further includes:
  • the failure alarm is caused by the alarm
  • the 1+1 protection switching process is performed, and the working path is switched to the protection path.
  • the failure alarm is caused by the disappearance of the alarm, Performing a fault detection point work out of the protection domain to detect a fault disappearing process, and performing a fault detection point failure disappearing process on the working path in the protection domain.
  • the method further includes:
  • the 1+1 protection switching process is performed, and the protection path is switched to the working path.
  • the 1+1 protection switching process is performed to switch the protection path to the working path.
  • the fault alarm is caused by the disappearance of the alarm, Performing a fault detection point protection detection failure disappearing process outside the protection domain, and performing a failure detection point failure disappearing process on the protection path in the protection domain.
  • the work/protection fault processing is performed; when the fault disappears, the sequence is set The working/protection alarm of the fault detection point outside the protection domain disappears, and the protection/work alarm disappears:
  • the fault occurs if it is a fault generated on the working path, 1+1 protection switching processing is performed, and the working path is switched to the protection path. If the fault is generated on the protection path, perform 1+1 protection switching and switch the protection path to the working path.
  • the method further includes: starting an alarm mask.
  • a fault detecting apparatus includes at least: a fault detecting/determining module, a fault type determining module, and a fault processing module, wherein the fault detecting/determining module is configured to detect a fault alarm, and is in a working path/protection path according to a current service
  • the fault detection module is used to determine the generated work fault alarm/protection fault alarm, which is the fault occurrence/failure disappearance;
  • the fault processing module is configured to work when the fault occurs. / Protection fault handling; When the fault disappears, the work/protection alarms of the fault detection points outside the protection domain are sequentially set to disappear, and the protection/work alarms disappear.
  • the fault detecting device is disposed in a fault detecting point outside the protection domain
  • the fault detection/determination module is specifically configured to detect a fault alarm by detecting a fault detection point outside the domain, and determining that the fault is a work fault/protection fault according to the current service bearer on the working path/protection path;
  • the fault processing module is specifically configured to: if a fault alarm caused by a fault occurs, if it is a fault generated on the working path, perform 1+1 protection switching processing, and switch the working path to the protection path; if it is generated on the protection path If the fault is caused by the 1+1 protection switching, the protection path is switched to the working path. If the fault is caused by the fault disappearing, if the current service is carried on the protection path, the work path fault disappears first, and then the protection path disappears. If the current service is carried on the working path, the work path failure disappears first, and then the protection path disappears. The fault alarm caused by the fault is generated by the fault, and the fault processing module is further configured to start the alarm mask to shield the fault check outside the protection domain that may exist at the moment of the handover. Check the fault alarm that was detected.
  • the fault detecting device is disposed in a fault detecting point in the protection domain
  • the fault detection/determination module is specifically configured to detect a fault alarm by the fault detection point in the protection domain, and determine that the work fault alarm/protection fault alarm is performed according to the current service bearer on the working path/protection path;
  • the fault processing module is specifically configured to: when the current service is carried on the working path, perform 1+1 protection switching processing, and switch the working path to the protection path;
  • the current service is carried on the protection path
  • the fault alarm is caused by the alarm
  • the 1+1 protection switching process is performed, and the working path is switched to the protection path.
  • the fault alarm is caused by the disappearance of the alarm, First, the fault detection point work detection fault disappearance processing outside the protection domain is performed, and then the fault detection point fault disappearing processing on the working path in the protection domain is performed;
  • the fault processing module is specifically configured to: when the current service is carried on the protection path, perform 1+1 protection switching processing, and switch the protection path to the working path; When the current service is carried on the working path, when the fault alarm is caused by the alarm, the 1+1 protection switching process is performed, and the protection path is switched to the working path.
  • the fault alarm is caused by the disappearance of the alarm, First, the fault detection point protection detection failure detection processing outside the protection domain is performed, and the fault detection point failure disappearing processing on the protection path in the protection domain is performed.
  • the fault detection point including the protection domain detects the fault alarm, and determines that the work fault alarm/protection fault alarm is based on the current service bearer on the working path/protection path;
  • the fault alarm generated is determined to be fault occurrence/failure.
  • work/protection fault handling is performed.
  • the work/protection alarms of the fault detection points outside the protection domain are sequentially set to disappear, and the protection/work alarm disappears. Pass Through the method of the invention, the fault detection points outside the protection domain are fully utilized, so that the system is better protected.
  • Figure 1 is a schematic diagram of a 1+1 protection application scenario
  • FIG. 2 is a schematic flow chart of a 1+1 protection method according to the present invention.
  • FIG. 3 is a schematic structural diagram of a fault detecting apparatus for implementing the 1+1 protection method of the present invention
  • FIG. 4 is a schematic flow chart of a method for implementing 1+1 protection of a fault detecting point outside the protection domain of the present invention
  • FIG. 5 is a schematic flowchart of a method for implementing 1+1 protection of a fault detection point in a protection domain when there is a fault detection point outside the protection domain.
  • FIG. 2 is a schematic flowchart of a 1+1 protection method according to the present invention. As shown in FIG. 2, the method includes the following steps:
  • Step 200 The fault detection point outside the protection domain detects the fault alarm, and determines that it is a work fault alarm/protection fault alarm according to the current service load on the working path/protection path.
  • the detected fault alarm is a work fault alarm or a protection fault alarm, which may be determined according to the state of the execution unit.
  • the detected fault alarm is Work failure alarm;
  • the detected failure alarm is a protection failure alarm.
  • Step 201 Determine that the generated fault alarm according to the fault state is fault occurrence/failure disappears.
  • the fault status of the fault alarm is displayed as generating a fault, it indicates that the current fault alarm is caused by the fault; if the fault state of the fault alarm is displayed as a disappearing fault, it indicates that the current fault alarm is due to the disappearance of the fault. And appeared.
  • Step 202 Perform work/protection fault processing when the fault occurs; when the fault disappears, The work/protection alarms of the fault detection points outside the protection domain are sequentially set to disappear, and the protection/work alarms disappear.
  • the fault on the working path or the fault on the protection path may be correspondingly processed: If the fault occurs on the working path, then 1+1 is performed. The protection switching process is performed to switch the working path to the protection path. Further, the method further includes: starting an alarm mask to mask the fault alarm detected by the fault checkpoint outside the protection domain that may exist at the moment of the handover. If the fault is generated on the protection path, then 1+1 protection switching is performed to switch the protection path to the working path.
  • the specific processing includes:
  • the work path failure disappears first, and then the protection path disappears. If the protection path fails to be processed first, the service is switched to the protection path. The path is faulty. After the alarm masking time arrives, it will be switched to the working path. At this time, neither the working path nor the protection path records the fault and returns to the initial state of the protection switching.
  • the method of the present invention further includes: when there is a fault detection point outside the protection domain, and the fault detection point in the protection domain detects the fault alarm, if the fault detection point is set on the working path and the current service is carried on the working path, 1+1 is performed.
  • the protection switching process is performed to switch the working path to the protection path.
  • the current service is carried on the protection path
  • the 1+1 protection switching process is performed, and the working path is switched to the protection path.
  • the failure detection processing of the fault detection point outside the protection domain is first performed, and then the failure detection processing of the fault detection point on the working path in the protection domain is performed;
  • the current service is carried on the protection path.
  • the 1+1 protection switching process is performed to switch the protection path to the working path.
  • the current service is carried on the working path, when the fault alarm is caused by an alarm, 1+1 protection switching processing is performed, and the protection path is performed. Switch to the working path.
  • the fault alarm is caused by the disappearance of the alarm, firstly, the fault detection point protection detection fault disappearing processing outside the protection domain is performed, and then the fault detection point fault disappearing processing on the protection path in the protection domain is performed. .
  • FIG. 3 is a schematic structural diagram of a fault detecting apparatus for implementing the 1+1 protection method of the present invention. As shown in FIG. 3, the method includes at least: a fault detecting/determining module, a fault type determining module, and a fault processing module, where
  • the fault detection/determination module is configured to detect a fault alarm, and determine that it is a work fault alarm/protection fault alarm according to the current service bearer on the working path/protection path.
  • the fault type determining module is configured to determine the generated work fault alarm/protection fault alarm, and the fault generation/failure disappears.
  • the fault processing module is used to perform work/protection fault handling when the fault occurs.
  • the work/protection alarms of the fault detection points outside the protection domain are sequentially set to disappear, and the protection/work alarm disappears.
  • the fault detecting device is disposed in a fault detecting point outside the protection domain
  • the fault detection/determination module is specifically configured to detect a fault alarm at a fault detection point outside the protection domain, and determine that it is a work fault alarm/protection fault alarm according to the current service bearer on the working path/protection path.
  • the fault processing module is specifically configured to: for the fault alarm caused by the fault, if it is a fault generated on the working path, perform 1+1 protection switching processing, and switch the working path to the protection path; if it is a fault generated on the protection path, Perform a 1+1 protection switching process to switch the protection path to the working path.
  • the fault is caused by the failure of the fault. First, the work path failure disappears, and then the protection path disappears. The current service is carried on the working path. First, the work path failure disappears, and then the protection path disappears.
  • the fault handling module is also used to start the alarm mask to shield the fault checkpoint outside the protection domain that may exist at the moment of the handover. Fault alarm.
  • the fault detecting device is disposed in a fault detecting point in the protection domain
  • the fault detection/determination module is specifically configured to detect a fault alarm in the fault detection point in the protection domain, and determine that it is a work fault alarm/protection fault alarm according to the current service bearer on the working path/protection path.
  • the fault processing module is specifically configured to: when the current service is carried on the working path, perform 1+1 protection switching processing, and switch the working path to the protection path;
  • the current service is carried on the protection path
  • the fault alarm is caused by the alarm
  • the 1+1 protection switching process is performed, and the working path is switched to the protection path.
  • the fault alarm is caused by the disappearance of the alarm, First, the fault detection point work detection fault disappearance processing outside the protection domain is performed, and then the fault detection point fault disappearing processing on the working path in the protection domain is performed;
  • the fault processing module is specifically configured to: when the current service is carried on the protection path, perform 1+1 protection switching processing, and switch the protection path to the working path; When the current service is carried on the working path, when the fault alarm is caused by the alarm, the 1+1 protection switching process is performed, and the protection path is switched to the working path.
  • the fault alarm is caused by the disappearance of the alarm, First, the fault detection point protection detection failure detection processing outside the protection domain is performed, and the fault detection point failure disappearing processing on the protection path in the protection domain is performed.
  • FIG. 4 is a schematic flowchart of a method for implementing 1+1 protection of a fault detection point outside the protection domain of the present invention.
  • the fault detection point outside the protection domain in this embodiment is the fault detection point 3 in FIG. 1, as shown in FIG.
  • the following steps are included:
  • Step 400 to step 401 The fault check point 3 checks the fault alarm to determine the current service. If the fault persists on the working path, it is determined that the working path is faulty, and step 402a is performed. If it is determined that the current service bearer is on the protection path, it is determined that the protection path is faulty, and step 402b is performed.
  • Step 402a to step 403a It is determined that the current fault alarm is caused by the fault, and the process proceeds to step 406a. If it is determined that the current fault alarm is caused by the fault disappearing, the process proceeds to step 404a.
  • Step 404a The work alarm on the fault detection point 3 disappears.
  • a table can be used to record the alarm condition. If the fault of one of the checkpoints disappears, the corresponding alarm record can be deleted.
  • Step 405a The protection alarm on the fault detection point 3 disappears. End this process.
  • Step 406a A work alarm on the fault detection point 3 is generated. For example, add the corresponding alarm record to the table used to record the alarm condition.
  • Step 407 Perform 1+1 protection switching processing, switch the working path to the protection path, or switch the protection path to the working path.
  • the method also includes, when performing step 407, initiating an alert mask. When the alarm is blocked, the corresponding fault disappearing process is performed.
  • FIG. 5 is a schematic flowchart of a method for implementing 1+1 protection on a fault detection point in a protection domain when there is a fault detection point outside the protection domain.
  • the fault detection point in the protection domain in this embodiment is in FIG.
  • the fault detection point 2 or the fault detection point 1, as shown in FIG. 4, includes the following steps:
  • Steps 500 to 501 The fault check point 1 or the fault detection point 2 detects the fault alarm, determines that the current service bearer is on the work/protection path, determines that the work/protection path is faulty, and performs step 503b; if the current service is determined If it is carried on the protection/work path, it is determined that there is a fault in the protection/work path, and step 502 is performed.
  • Step 502 It is determined that the current fault alarm is caused by the fault, and the process proceeds to step 503b. If it is determined that the current fault alarm is caused by the fault disappearing, the process proceeds to step 503a.
  • Step 503a The work/protection alarm disappears on the fault detection point 3.
  • Step 504a The fault detection point 1/fault detection point 1 alarm disappears processing. End this process.
  • Step 503b to step 504b The work/protection alarm is generated, and the 1+1 protection switching process is performed to switch the work/protection path to the protection/work path.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

一种 1+1保护方法及故障检测装置 技术领域
本发明涉及光传输网络(OTN ) 中的保护技术, 尤指一种 1+1保护方 法及故障检测装置。 背景技术
典型的 1+1 自动保护倒换(APS ) 系统包括故障检测单元(置于故障 检测点)、 执行单元和控制单元三个部分。 其中, 故障检测单元用于检测故 障, 并将检测到的故障通知控制单元, 控制单元对故障进行分析后控制执 行单元执行保护动作。
从理论上讲, 系统中所有的、 与信号和业务有关的性能检测点, 都可 以作为故障检测点。 一般来说, 故障检测点有工作和保护之分, 即位于工 作路径上的故障检测点和位于保护路径上的故障检测点, 这样, 有利于控 制单元判断是工作路径还是保护路径发生故障, 然后正确控制执行单元的 保护动作。
图 1为 1+1保护应用场景示意图, 如图 1中, 故障检测点 1位于工作 路径上, 可以检测到工作路径上发生的故障, 故障检测点 2位于保护路径 上, 可以检测到保护路径上发生的故障。 故障检测点都是位于保护域内的。
对于图 1中的故障检测点 3 ,该故障检测点具有更为强大的故障检测能 力, 可以检查到故障检测点 1和故障检测点 2所不能检测到的故障, 但是, 故障检测点 3是位于保护域之外的, 不能直观地判断出检测到的故障是工 作路径上发生的, 还是保护路径上发生的。 这样, 也不利于故障定位。 发明内容
有鉴于此, 本发明的主要目的在于提供一种 1+1保护方法及故障检测 装置, 能够充分利用保护域之外的故障检测点, 使系统得到更好的保护。 为达到上述目的, 本发明的技术方案是这样实现的:
一种 1+1保护方法, 包括: 保护域外的故障检测点检测到故障告警, 并根据当前业务承载在工作路径 /保护路径上,确定是工作故障告警 /保护故 障告警; 根据故障状态确定产生的故障告警是故障产生 /故障消失, 在故障 产生时, 进行工作 /保护故障处理; 在故障消失时, 顺序设置保护域外的故 障检测点的工作 /保护告警消失, 保护 /工作告警消失。
设置在所述工作路径上的保护域内的故障检测点检测到故障告警时, 该方法还包括:
如果当前业务承载在工作路径上, 则进行 1+1保护倒换处理, 将工作 路径切换到保护路径;
如果当前业务承载在保护路径上, 在故障告警是由于产生告警而引起 的时, 进行 1+1保护倒换处理, 将工作路径切换到保护路径, 在故障告警 是由于告警的消失而引起的时, 进行所述保护域外的故障检测点工作检测 故障消失处理, 再进行所述保护域内该工作路径上的故障检测点故障消失 处理。
设置在所述保护路径上的保护域内的故障检测点检测到故障告警时, 该方法还包括:
如果当前业务承载在保护路径上, 则进行 1+1保护倒换处理, 将保护 路径切换到工作路径;
如果当前业务承载在工作路径上, 在故障告警是由于产生告警而引起 的时, 进行 1+1保护倒换处理, 将保护路径切换到工作路径, 在故障告警 是由于告警的消失而引起的时, 进行所述保护域外的故障检测点保护检测 故障消失处理, 再进行所述保护域内该保护路径上的故障检测点故障消失 处理。
所述在故障产生时, 进行工作 /保护故障处理; 在故障消失时, 顺序设 置保护域外的故障检测点的工作 /保护告警消失, 保护 /工作告警消失包括: 在故障产生时, 如果是工作路径上产生的故障, 进行 1+1保护倒换处 理, 将工作路径切换到保护路径; 如果是保护路径上产生的故障, 进行 1+1 保护倒换处理, 将保护路径切换到工作路径;
在故障消失时, 如果当前业务是承载在保护路径上, 进行工作路径故 障消失处理, 再进行保护路径消失处理; 如果当前业务是承载在工作路径 上, 进行工作路径故障消失处理, 再进行保护路径消失处理。
所述在故障产生时, 该方法还包括: 启动告警屏蔽。
一种故障检测装置, 至少包括: 故障检测 /确定模块, 故障类型确定模 块, 以及故障处理模块, 其中, 故障检测 /确定模块, 用于检测到故障告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 /保护故障 告警; 故障类型确定模块, 用于确定产生的工作故障告警 /保护故障告警, 是故障产生 /故障消失; 故障处理模块, 用于在故障产生时, 进行工作 /保护 故障处理; 在故障消失时, 顺序设置保护域外的故障检测点的工作 /保护告 警消失, 保护 /工作告警消失。
所述故障检测装置设置在保护域外的故障检测点中,
所述故障检测 /确定模块, 具体用于保护域外的故障检测点检测到故障 告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 / 保护故障告警;
所述故障处理模块, 具体用于: 对于产生故障引起的故障告警, 如果 是工作路径上产生的故障, 进行 1+1保护倒换处理, 将工作路径切换到保 护路径; 如果是保护路径上产生的故障, 进行 1+1保护倒换处理, 将保护 路径切换到工作路径; 对于故障消失引起的故障告警, 如果当前业务是承 载在保护路径上, 首先进行工作路径故障消失处理, 再进行保护路径消失 处理; 如果当前业务是承载在工作路径上, 首先进行工作路径故障消失处 理, 再进行保护路径消失处理。 所述对于产生故障引起的故障告警, 而且是工作路径上产生的故障; 所述故障处理模块, 还用于启动告警屏蔽, 以屏蔽掉在切换的一瞬间有可 能存在的该保护域外的故障检查点检查到的故障告警。
所述故障检测装置设置在保护域内的故障检测点中,
所述故障检测 /确定模块, 具体用于保护域内的故障检测点检测到故障 告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 / 保护故障告警;
如果该保护域内的故障检测点设置在工作路径上, 所述故障处理模块, 具体用于: 在当前业务承载在工作路径上时, 进行 1+1保护倒换处理, 将 工作路径切换到保护路径; 在当前业务承载在保护路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将工作路径切换到 保护路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点工作检测故障消失处理, 再进行保护域内该工作路径上的故 障检测点故障消失处理;
如果该保护域内的故障检测点设置在保护路径上, 所述故障处理模块, 具体用于: 在当前业务承载在保护路径上时, 进行 1+1保护倒换处理, 将 保护路径切换到工作路径; 在当前业务承载在工作路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将保护路径切换到 工作路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点保护检测故障消失处理, 再进行保护域内该保护路径上的故 障检测点故障消失处理。
从上述本发明提供的技术方案可以看出, 包括保护域外的故障检测点 检测到故障告警, 并根据当前业务承载在工作路径 /保护路径上, 确定是工 作故障告警 /保护故障告警; 根据故障状态确定产生的故障告警是故障产生 / 故障消失, 在故障产生时, 进行工作 /保护故障处理; 在故障消失时, 顺序 设置保护域外的故障检测点的工作 /保护告警消失, 保护 /工作告警消失。 通 过本发明方法, 充分利用了保护域之外的故障检测点, 使系统得到了更好 的保护。 附图说明
图 1为 1+1保护应用场景示意图;
图 2为本发明 1+1保护方法的流程示意图;
图 3为实现本发明 1+1保护方法的故障检测装置的组成结构示意图; 图 4为本发明保护域外的故障检测点实现 1+1保护的方法的流程示意 图;
图 5 为本发明存在保护域外的故障检测点时, 保护域内的故障检测点 实现 1+1保护的方法的流程示意图。 具体实施方式
图 2为本发明 1+1保护方法的流程示意图, 如图 2所示, 包括以下步 骤:
步骤 200: 保护域外的故障检测点检测到故障告警, 并根据当前业务承 载在工作路径 /保护路径上, 确定是工作故障告警 /保护故障告警。
本步骤中, 确定检测到的故障告警是工作故障告警, 还是保护故障告 警, 可以依据执行单元的状态来确定, 当执行单元的状态显示当前业务承 载在工作路径上, 则检测到的故障告警是工作故障告警; 当执行单元的状 态显示当前业务承载在保护路径上, 则检测到的故障告警是保护故障告警。
步骤 201 : 根据故障状态确定产生的故障告警是故障产生 /故障消失。 本步骤中, 如果故障告警的故障状态显示为产生故障, 则表明当前故 障告警是由于故障的产生而出现的; 如果故障告警的故障状态显示为消失 故障, 则表明当前故障告警是由于故障的消失而出现的。
步骤 202: 在故障产生时, 进行工作 /保护故障处理; 在故障消失时, 顺序设置保护域外的故障检测点的工作 /保护告警消失, 保护 /工作告警消 失。
本步骤中, 如果是产生了故障, 则按照现有故障处理, 对工作路径上 的故障或保护路径上的故障进行相应处理即可: 如果是工作路径上产生的 故障, 那么, 进行 1+1保护倒换处理, 将工作路径切换到保护路径; 进一 步地, 还可以包括: 启动告警屏蔽, 以屏蔽掉在切换的一瞬间有可能存在 的该保护域外的故障检查点检查到的故障告警。 如果是保护路径上产生的 故障, 那么, 进行 1+1保护倒换处理, 将保护路径切换到工作路径。
本步骤中, 如果是之前产生的故障消失了, 具体处理包括:
如果当前业务是承载在保护路径上, 首先进行工作路径故障消失处理, 然后再进行保护路径消失处理。 此时, 工作路径和保护路径都没有记录故 障, 恢复到保护倒换的初始状态;
如果当前业务是承载在工作路径上, 首先进行工作路径故障消失处理, 然后再进行保护路径消失处理(如若不然, 先进行保护路径故障消失处理, 则会导致业务倒换到保护路径, 而此时保护路径是有故障的, 告警屏蔽时 间到达后又会倒换到工作路径)。 此时, 工作路径和保护路径都没有记录故 障, 恢复到保护倒换的初始状态。
本发明方法还包括: 当存在保护域外故障检测点, 保护域内的故障检 测点检测到故障告警时, 如果该故障检测点设置在工作路径上, 当前业务 承载在工作路径上, 则进行 1+1保护倒换处理, 将工作路径切换到保护路 径; 而当前业务承载在保护路径上时, 在故障告警时由于产生告警而引起 的时, 进行 1+1保护倒换处理, 将工作路径切换到保护路径, 但是, 如果 故障告警是由于告警的消失而引起的时, 首先进行保护域外的故障检测点 工作检测故障消失处理, 然后再进行保护域内该工作路径上的故障检测点 故障消失处理;
如果该故障检测点设置在保护路径上, 当前业务承载在保护路径上, 则进行 1+1保护倒换处理, 将保护路径切换到工作路径; 而当前业务承载 在工作路径上时, 在故障告警是由于产生告警而引起的时, 进行 1+1保护 倒换处理, 将保护路径切换到工作路径, 但是, 如果故障告警是由于告警 的消失而引起的时, 首先进行保护域外的故障检测点保护检测故障消失处 理, 然后再进行保护域内该保护路径上的故障检测点故障消失处理。
图 3为实现本发明 1+1保护方法的故障检测装置的组成结构示意图, 如图 3所示, 至少包括: 故障检测 /确定模块, 故障类型确定模块, 以及故 障处理模块, 其中,
故障检测 /确定模块, 用于检测到故障告警, 根据当前业务承载在工作 路径 /保护路径上, 确定是工作故障告警 /保护故障告警。
故障类型确定模块, 用于确定产生的工作故障告警 /保护故障告警, 是 故障产生 /故障消失。
故障处理模块, 用于在故障产生时, 进行工作 /保护故障处理; 在故障 消失时, 顺序设置保护域外的故障检测点的工作 /保护告警消失, 保护 /工作 告警消失。
所述故障检测装置设置在保护域外的故障检测点中,
故障检测 /确定模块,具体用于保护域外的故障检测点检测到故障告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 /保护故障 告警。
故障处理模块, 具体用于: 对于产生故障引起的故障告警, 如果是工 作路径上产生的故障, 进行 1+1保护倒换处理, 将工作路径切换到保护路 径; 如果是保护路径上产生的故障, 进行 1+1保护倒换处理, 将保护路径 切换到工作路径; 对于故障消失引起的故障告警, 如果当前业务是承载在 保护路径上, 首先进行工作路径故障消失处理, 再进行保护路径消失处理; 如果当前业务是承载在工作路径上, 首先进行工作路径故障消失处理, 再 进行保护路径消失处理。 对于产生故障引起的故障告警, 而且是工作路径上产生的故障, 故障 处理模块, 还用于启动告警屏蔽, 以屏蔽掉在切换的一瞬间有可能存在的 该保护域外的故障检查点检查到的故障告警。
所述故障检测装置设置在保护域内的故障检测点中,
故障检测 /确定模块,具体用于保护域内的故障检测点检测到故障告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 /保护故障 告警。
如果该保护域内的故障检测点设置在工作路径上, 所述故障处理模块, 具体用于: 在当前业务承载在工作路径上时, 进行 1+1保护倒换处理, 将 工作路径切换到保护路径; 在当前业务承载在保护路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将工作路径切换到 保护路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点工作检测故障消失处理, 再进行保护域内该工作路径上的故 障检测点故障消失处理;
如果该保护域内的故障检测点设置在保护路径上, 所述故障处理模块, 具体用于: 在当前业务承载在保护路径上时, 进行 1+1保护倒换处理, 将 保护路径切换到工作路径; 在当前业务承载在工作路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将保护路径切换到 工作路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点保护检测故障消失处理, 再进行保护域内该保护路径上的故 障检测点故障消失处理。
下面结合实施例对本发明方法进行详细描述。
图 4为本发明保护域外的故障检测点实现 1+1保护的方法的流程示意 图, 结合图 1 , 本实施例中的保护域外的故障检测点为图 1中的故障检测点 3 , 如图 4所示, 包括以下步骤:
步骤 400〜步骤 401 : 故障检查点 3检查到故障告警, 判断出当前业务 承载在工作路径上, 确定是工作路径存在故障, 执行步骤 402a; 如果判断 出当前业务承载在保护路径上, 确定是保护路径存在故障,执行步骤 402b。
步骤 402a〜步骤 403a: 判断出当前的故障告警是由于产生故障而引起 的, 进入步骤 406a; 判断出当前的故障告警是由于故障消失而引起的, 进 入步骤 404a。
步骤 404a: 故障检测点 3上的工作告警消失处理。 比如, 可以利用一 个表来记录告警情况, 如果其中一个检查点的故障消失, 则删除相应的告 警记录即可。
步骤 405a: 故障检测点 3上的保护告警消失处理。 结束本流程。
步骤 406a: 故障检测点 3上的工作告警产生。 比如, 在用于记录告警 情况的表中增加相应的告警记录即可。
步骤 407: 进行 1+1保护倒换处理, 将工作路径切换到保护路径上, 或 者将保护路径切换到工作路径上。
该方法还包括, 在执行步骤 407 时, 启动告警屏蔽。 告警的屏蔽时间 到, 进行相应故障消失处理。
图 5 为本发明存在保护域外的故障检测点时, 保护域内的故障检测点 实现 1+1保护的方法的流程示意图, 结合图 1 ,本实施例中的保护域内的故 障检测点为图 1中的故障检测点 2或故障检测点 1 , 如图 4所示, 包括以下 步骤:
步骤 500〜步骤 501 : 故障检查点 1/故障检测点 2检查到故障告警, 判 断出当前业务承载在工作 /保护路径上, 确定是工作 /保护路径存在故障, 执 行步骤 503b; 如果判断出当前业务承载在保护 /工作路径上, 确定是保护 / 工作路径存在故障, 执行步骤 502。
步骤 502: 判断出当前的故障告警是由于产生故障而引起的, 进入步骤 503b; 判断出当前的故障告警是由于故障消失而引起的, 进入步骤 503a。
步骤 503a: 故障检测点 3上的工作 /保护告警消失处理。 步骤 504a: 故障检测点 1/故障检测点 1告警消失处理。 结束本流程。 步骤 503b〜步骤 504b: 工作 /保护告警产生, 进行 1+1保护倒换处理, 将工作 /保护路径切换到保护 /工作路径上。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围, 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等, 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种 1+1保护方法, 其特征在于, 包括:
保护域外的故障检测点检测到故障告警, 并根据当前业务承载在工作 路径 /保护路径上, 确定是工作故障告警 /保护故障告警;
根据故障状态确定产生的故障告警是故障产生 /故障消失, 在故障产生 时, 进行工作 /保护故障处理; 在故障消失时, 顺序设置保护域外的故障检 测点的工作 /保护告警消失, 保护 /工作告警消失。
2、 根据权利要求 1所述的 1+1保护方法, 其特征在于, 设置在所述工 作路径上的保护域内的故障检测点检测到故障告警时, 该方法还包括: 如果当前业务承载在工作路径上, 则进行 1+1保护倒换处理, 将工作 路径切换到保护路径;
如果当前业务承载在保护路径上, 在故障告警是由于产生告警而引起 的时, 进行 1+1保护倒换处理, 将工作路径切换到保护路径; 在故障告警 是由于告警的消失而引起的时, 进行所述保护域外的故障检测点工作检测 故障消失处理, 再进行所述保护域内该工作路径上的故障检测点故障消失 处理。
3、 根据权利要求 1所述的 1+1保护方法, 其特征在于, 设置在所述保 护路径上的保护域内的故障检测点检测到故障告警时, 该方法还包括: 如果当前业务承载在保护路径上, 则进行 1+1保护倒换处理, 将保护 路径切换到工作路径;
如果当前业务承载在工作路径上, 在故障告警是由于产生告警而引起 的时, 进行 1+1保护倒换处理, 将保护路径切换到工作路径; 在故障告警 是由于告警的消失而引起的时, 进行所述保护域外的故障检测点保护检测 故障消失处理, 再进行所述保护域内该保护路径上的故障检测点故障消失 处理。
4、 根据权利要求 1、 2或 3所述的 1+1保护方法, 其特征在于, 所述 在故障产生时, 进行工作 /保护故障处理; 在故障消失时, 顺序设置保护域 外的故障检测点的工作 /保护告警消失, 保护 /工作告警消失包括:
在故障产生时, 如果是工作路径上产生的故障, 进行 1+1保护倒换处 理, 将工作路径切换到保护路径; 如果是保护路径上产生的故障, 进行 1 + 1 保护倒换处理, 将保护路径切换到工作路径;
在故障消失时, 如果当前业务是承载在保护路径上, 进行工作路径故 障消失处理, 再进行保护路径消失处理; 如果当前业务是承载在工作路径 上, 进行工作路径故障消失处理, 再进行保护路径消失处理。
5、 根据权利要求 4所述的 1+1保护方法, 其特征在于, 所述在故障产 生时, 该方法还包括: 启动告警屏蔽。
6、 一种故障检测装置, 其特征在于, 至少包括: 故障检测 /确定模块, 故障类型确定模块, 以及故障处理模块, 其中,
故障检测 /确定模块, 用于检测到故障告警, 根据当前业务承载在工作 路径 /保护路径上, 确定是工作故障告警 /保护故障告警;
故障类型确定模块, 用于确定产生的工作故障告警 /保护故障告警, 是 故障产生 /故障消失;
故障处理模块, 用于在故障产生时, 进行工作 /保护故障处理; 在故障 消失时, 顺序设置保护域外的故障检测点的工作 /保护告警消失, 保护 /工作 告警消失。
7、 根据权利要求 6所述的故障检测装置, 其特征在于, 所述故障检测 装置设置在保护域外的故障检测点中,
所述故障检测 /确定模块, 具体用于保护域外的故障检测点检测到故障 告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 / 保护故障告警;
所述故障处理模块, 具体用于: 对于产生故障引起的故障告警, 如果 是工作路径上产生的故障, 进行 1+1保护倒换处理, 将工作路径切换到保 护路径; 如果是保护路径上产生的故障, 进行 1+1保护倒换处理, 将保护 路径切换到工作路径; 对于故障消失引起的故障告警, 如果当前业务是承 载在保护路径上, 首先进行工作路径故障消失处理, 再进行保护路径消失 处理; 如果当前业务是承载在工作路径上, 首先进行工作路径故障消失处 理, 再进行保护路径消失处理。
8、 根据权利要求 6所述的故障检测装置, 其特征在于, 所述对于产生 故障引起的故障告警, 而且是工作路径上产生的故障;
所述故障处理模块, 还用于启动告警屏蔽, 以屏蔽掉在切换的一瞬间 有可能存在的该保护域外的故障检查点检查到的故障告警。
9、 根据权利要求 6所述的故障检测装置, 其特征在于, 所述故障检测 装置设置在保护域内的故障检测点中,
所述故障检测 /确定模块, 具体用于保护域内的故障检测点检测到故障 告警, 根据当前业务承载在工作路径 /保护路径上, 确定是工作故障告警 / 保护故障告警;
如果该保护域内的故障检测点设置在工作路径上, 所述故障处理模块, 具体用于: 在当前业务承载在工作路径上时, 进行 1+1保护倒换处理, 将 工作路径切换到保护路径; 在当前业务承载在保护路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将工作路径切换到 保护路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点工作检测故障消失处理, 再进行保护域内该工作路径上的故 障检测点故障消失处理;
如果该保护域内的故障检测点设置在保护路径上, 所述故障处理模块, 具体用于: 在当前业务承载在保护路径上时, 进行 1+1保护倒换处理, 将 保护路径切换到工作路径; 在当前业务承载在工作路径上时, 在故障告警 是由于产生告警而引起的时, 进行 1+1保护倒换处理, 将保护路径切换到 工作路径, 在故障告警是由于告警的消失而引起的时, 首先进行保护域外 的故障检测点保护检测故障消失处理, 再进行保护域内该保护路径上的故 障检测点故障消失处理。
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