WO2018019308A1 - 一种无源光网络手拉手保护系统切换方法 - Google Patents

一种无源光网络手拉手保护系统切换方法 Download PDF

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Publication number
WO2018019308A1
WO2018019308A1 PCT/CN2017/097218 CN2017097218W WO2018019308A1 WO 2018019308 A1 WO2018019308 A1 WO 2018019308A1 CN 2017097218 W CN2017097218 W CN 2017097218W WO 2018019308 A1 WO2018019308 A1 WO 2018019308A1
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Prior art keywords
link interface
interface
link
optical line
line terminal
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PCT/CN2017/097218
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English (en)
French (fr)
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谷秀玲
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中兴通讯股份有限公司
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Publication of WO2018019308A1 publication Critical patent/WO2018019308A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/22—Alternate routing

Definitions

  • the present invention relates to the field of optical communications and computers, and in particular to a method and apparatus for switching hand-in-hand protection systems of passive optical networks.
  • the link protection network of the hand-in-hand protection type supports the optical network terminal to work under the main optical line terminal and the optical line terminal respectively, and realizes the primary backup protection of the optical line terminal equipment. Further extend the range of link protection.
  • the link of the optical network terminal port corresponding to the link of the optical switching device port or the link connecting the optical network terminal port is interrupted.
  • the link connecting the port of the network switching device cannot be synchronized and the service is switched to the standby optical line terminal.
  • the network switching address or the optical network terminal address must be aged before the service switching standby optical line terminal can be started.
  • the primary optical line terminal cannot be automatically switched back from the backup optical line terminal. For the above problems, no effective solution has been proposed.
  • Embodiments of the present invention provide a handover method and apparatus for a hand-to-hand protection system for a passive optical network, so as to at least solve the link in the prior art when an optical line terminal is connected to a network switching device port or When the link connecting the optical network terminal port is interrupted, the link of the corresponding optical network terminal port or the link connecting the network switching device port cannot be synchronously closed and the service switching to the standby optical line terminal is started, and the network must wait until the network After the exchange address or the optical network terminal address is aged, the service switching standby optical line terminal can be started.
  • a method for switching a hand-in-hand protection system for a passive optical network comprising: monitoring, by a primary optical line terminal, a first link interface connecting a network switching device and a second connecting optical network terminal a link state of the link interface; when the first link interface or the second link interface is interrupted, the primary optical line terminal is configured according to the first link interface and the first The link interface correspondence of the two-link interface automatically shuts down the second link interface or the first link interface; the primary optical line terminal automatically describes the optical network terminal of the second link interface or the The network switching device service connected to the first link interface is switched to the standby optical line terminal.
  • the method further includes the primary optical line terminal periodically updating the link interface correspondence between the first link interface and the second link interface.
  • the method further includes: the link interface correspondence between the first link interface and the second link interface includes: location information of the first link interface, interface state information of the first link interface, and a second link The location information of the interface and the interface state information of the second link interface.
  • the method further includes that the link interface correspondence between the first link interface and the second link interface is stored on an optical line terminal or a server.
  • the method further includes: the status information of the first link interface and the second link interface: UP, DOWN, and linkage shutdown, where the initial state of the status information is UP.
  • the method further includes: the primary optical line terminal automatically closing the second link interface according to a preset link interface relationship between the first link interface and the second link interface After the first link interface, the method further includes:
  • the primary optical line terminal marks the status information of the interrupted first link interface or the second link interface as DOWN, and connects the second link interface or the first link
  • the port interface status information flag is linked off.
  • the method further includes: marking, at the primary optical line terminal, status information of the first link interface or the second link interface that is interrupted as DOWN, and simultaneously connecting the second link interface or After the first link interface interface status information flag is linked to be closed, the method further includes:
  • the optical line terminal monitors the first link interface or the second link interface whose interface state information is DOWN;
  • the interface state information DOWN of the first link interface or the second link interface is restored to UP, and the first The linkage shutdown of the two-link interface or the first link interface is restored to UP.
  • the method further includes: restoring interface state information DOWN of the first link interface or the second link interface to UP, and simultaneously using the second link interface or the first link interface After the linkage closure is restored to UP, the method further includes:
  • the primary optical line terminal automatically switches the network switching device and the optical network terminal service back to the primary optical line terminal.
  • a passive optical network hand-handed handover method apparatus comprising: a monitoring module: setting a first link interface and a connection for the primary optical line terminal to monitor the connected network switching device a link state of the second link interface of the optical network terminal; a shutdown module: configured to: when the first link interface or the second link interface is interrupted, the primary optical line terminal is configured according to a preset Corresponding relationship between the first link interface and the link interface of the second link interface, automatically closing the second link interface or the first link interface; and the switching module: setting the main optical line The terminal automatically switches the optical network terminal of the second link interface or the network switching device service connected to the first link interface to the standby optical line terminal.
  • the device further includes a storage module configured to store a link interface correspondence between the first link interface and the second link interface, where the storage module is located on an optical line terminal or a server.
  • a storage medium is further provided, and the storage medium may be stored Executing an instruction for performing the implementation of the switching method of the passive optical network hand-held protection system in the foregoing embodiment.
  • the embodiment of the present invention provides a simple solution by creating a primary optical line terminal to monitor the correspondence between the first link interface of the network switching device and the second link interface of the optical network terminal, and the solution can be implemented in the main solution.
  • the linkage switching with the second link interface of the optical network terminal is implemented; when the second link interface of the optical optical terminal connected to the optical network terminal fails Corresponding to the linkage switching of the first link interface connected to the network switching device, and solving the optical network terminal corresponding to when the link of the main optical line terminal connecting the network switching device port or the link connecting the optical network terminal port is interrupted
  • the link of the port or the link connecting the port of the network switching device cannot be synchronized and the service is switched to the standby optical line terminal.
  • the technology of the service switching standby optical line terminal can be started after the network switching address or the optical network terminal address is aged. Problem, shorten switching time, improve business recovery speed, enhance users Experience.
  • FIG. 1 is a schematic structural diagram of a hand-held protection system for a passive optical network according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for switching a hand-held protection system for a passive optical network according to an embodiment of the present invention
  • FIG. 3 is a block diagram of a system for switching a hand-in-hand protection system for a passive optical network according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for switching a hand-held protection system for a passive optical network according to an embodiment of the present invention, as shown in FIG. The method includes
  • the primary optical line terminal monitors a link state of a first link interface connected to the network switching device and a second link interface connected to the optical network terminal.
  • the primary optical line terminal automatically switches the optical network terminal of the second link interface or the network switching device service connected to the first link interface to the standby optical line terminal.
  • the optical network terminal When the primary optical line terminal detects that the first link interface (hereinafter referred to as the first link interface) connected to the network switching device is interrupted, the second link interface corresponding to the optical network connection terminal in the link association relationship is automatically replaced (hereinafter referred to as the first After the two-link interface is closed, the optical network terminal obtains the signal that the optical line terminal is closed, and implements the switching operation of the optical network terminal side interface, so that the optical network terminal switches to work under the protection optical line terminal.
  • the primary optical line terminal detects the failure of the second link network connected to the optical network terminal, the first link interface of the connected network switching device in the link association relationship is automatically closed, and the optical network terminal obtains the optical line terminal closed.
  • the switching operation of the interface on the terminal side of the optical network is implemented, and the network switching device obtains the signal that the first link interface is closed, and implements the switching operation of the optical line terminal, so that the optical network terminal switches to work under the protection optical line terminal.
  • the main optical line terminal OLT0 and the standby optical line terminal OLT1 complete the configuration of the link association table, and the first optical interface terminal is configured to be associated with the first optical interface of the primary optical line terminal.
  • the association relationship of the second link interface is configured to be associated with the first optical interface of the primary optical line terminal.
  • a link association table is created.
  • the information of each recorded information in the table corresponds to the link interface of the second link interface, including: the location of the first link interface.
  • the information, the interface status information of the first link interface, the location information of the second link interface, and the interface status information of the second link interface have three values: UP, DOWN, and linkage shutdown.
  • the initial state of the status information is UP.
  • the table is stored on the optical line terminal or server and is periodically or updated in real time. The specific implementation is not only a table but also a database.
  • the main optical line terminal OLT0 starts a special state monitoring task to monitor the real-time status of the first link interface and the second link interface in the association group in real time, and fills in the status information into the link association table.
  • the status of the first link interface or the second link interface of the primary optical line terminal OLT0 is updated to: DOWN.
  • the status monitoring task detects that the status flag of the first link interface of the primary optical line terminal OLT0 or the status flag of the second link interface changes to DOWN, notify the primary optical line terminal OLT0 to automatically associate the corresponding second link interface. Or the first link interface is closed, and the status flag of the automatically closed port is recorded in the association relationship table as the "linkage closed" state, and the service is automatically switched to the standby optical line terminal OLT1 and the related network element.
  • the OLT0 state monitoring task of the primary optical line terminal After the OLT0 state monitoring task of the primary optical line terminal detects that the status flag of the first link interface or the second link interface is in the "linked closed” state, it starts to monitor only the status of the corresponding second link interface or the first link interface.
  • the status of the second link interface of the first link interface of the primary optical line terminal OLT0 in the link association table is updated to: UP, corresponding to the first
  • the connection status of the second link interface or the first link interface is changed from UP to UP, and the working status of the interface is updated in real time in the association table.
  • the backup main optical line terminal OLT1 and the corresponding network element service can be automatically switched as needed.
  • the processing here is a common means for those skilled in the art and will not be described herein.
  • the first link of the primary optical line terminal can be protected and deployed by planning the full protection network.
  • the data configuration work can be performed on the optical line terminal network element or through the provided Other media are carried out.
  • the purpose of this configuration is to ensure linkage between the state of the protection link of the passive optical network system and the state of the first link interface of the optical line termination.
  • the second link interface or the first link interface of the main optical line terminal OLT0 is disconnected, and the network channel of the terminal user experiencing the broadband Internet service is quickly switched to the standby optical line terminal OLT1 and On the upper-layer network connected to the standby optical line terminal OLT1, the terminal user can continue to experience the broadband Internet access service. If the upper-layer network structure is not complicated and does not cause additional delay, the user can hardly perceive that the hand-held protection network has been switched.
  • FIG. 3 is a system block diagram of a passive optical network hand-hand protection system switching device according to an embodiment of the present invention.
  • the device includes : monitoring module 32: setting a link state of a first link interface connected to the network switching device and a second link interface connecting the optical network terminal to the primary optical line terminal; and closing module 34: setting to detect the first When the link interface or the second link interface is interrupted, the primary optical line terminal automatically closes according to the preset link interface relationship between the first link interface and the second link interface.
  • a second link interface or the first link interface a notification module 36: configured to notify the primary optical line terminal of an optical network terminal of the second link interface or a network connected by the first link interface The switching device switches the service to the standby optical line terminal. .
  • the device further includes a storage module configured to store a link interface correspondence between the first link interface and the second link interface, where the storage module is located on an optical line terminal or a server.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. Perform the steps shown or described, or separate them into individual integrated circuit modules, or multiple of them Blocks or steps are made in a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • the embodiment of the present invention provides a simple optical fiber terminal to monitor the correspondence between the first link interface of the network switching device and the second link interface of the optical network terminal, so as to provide a simple solution.
  • the linkage switching with the second link interface of the optical network terminal is implemented; when the second link interface of the optical optical terminal connected to the optical network terminal fails Corresponding to the linkage switching of the first link interface connected to the network switching device, and solving the optical network terminal corresponding to when the link of the main optical line terminal connecting the network switching device port or the link connecting the optical network terminal port is interrupted
  • the link of the port or the link connecting the port of the network switching device cannot be synchronized and the service is switched to the standby optical line terminal.
  • the technology of the service switching standby optical line terminal can be started after the network switching address or the optical network terminal address is aged. The problem is to shorten the switching time and improve the speed of business recovery.

Abstract

本发明提供了一种无源光网络手拉手保护系统切换方法包括：主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；所述主光线路终端自动将所述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备业务切换到备用光线路终端。

Description

一种无源光网络手拉手保护系统切换方法 技术领域
本发明涉及光通信和计算机领域，特别涉及无源光网络手拉手保护系统切换方法和装置。
背景技术
伴随着中国网络运营商“光进铜退”工程的实施，光纤接入已经推广多年,光纤入户部署的更是如火如荼，除了为家庭用户提供接入服务外，光纤接入已经逐步渗透到越来越多的行业，比如医疗、电力、教育等，应用越来越广泛。不同行业对光接入网络的稳定性、可靠性要求不同，有些行业(比如医疗、电力等行业)对光接入网络的稳定性、可靠性要求非常高。为了进一步提高光接入网络的可靠性，在有些行业进行光接入网络部署时，将电力系统中常用的手拉手保护组网引入到了光接入网络的链路保护组网当中，参见图1，手拉手保护类型的链路保护组网支持光网络终端分别工作在主用光线路终端和光线路终端下，实现了光线路终端设备的主备用保护。将链路保护的范围进一步上移。但伴随手拉手保护网络应用到光接入网络，当主光线路终端连接网络交换设备端口的链路或者连接光网络终端端口的链路出现中断时，与之对应的光网络终端端口的链路或者连接网络交换设备端口的链路无法同步联动关闭并启动业务倒换到备用光线路终端，必须等到网络交换地址或者光网络终端地址老化后，才能启动业务倒换备用光线路终端，同时当已中断业务的链路恢复正常时，无法支持主光线路终端自动将业务从备份光线路终端切换回来，针对以上问题，目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种无源光网络手拉手保护系统切换方法和装置，以至少解决现有技术中当光线路终端连接网络交换设备端口的链路或 者连接光网络终端端口的链路出现中断时，与之对应的光网络终端端口的链路或者连接网络交换设备端口的链路无法同步联动关闭并启动业务倒换到备用光线路终端，必须等到网络交换地址或者光网络终端地址老化后，才能启动业务倒换备用光线路终端的问题。
根据本发明的一个实施例，提供了一种无源光网络手拉手保护系统切换方法，该方法包括：主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；所述主光线路终端自动将述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备业务切换到备用光线路终端。
进一步地，该方法还包括,主光线路终端定期更新第一链路接口与第二链路接口的链路接口对应关系。
进一步地，该方法还包括,第一链路接口与第二链路接口的链路接口对应关系包括：第一链路接口的位置信息、第一链路接口的接口状态信息、第二链路接口的位置信息和第二链路接口的接口状态信息。
进一步地，该方法还包括,所述第一链路接口与所述第二链路接口的链路接口对应关系存储在光线路终端或服务器上。
进一步地，该方法还包括，所述第一链路接口和第二链路接口的状态信息包括：UP、DOWN、联动关闭，其中，所述状态信息的初始状态均为UP。
进一步地，该方法还包括，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口之后，所述方法还包括：
所述主光线路终端将中断的所述第一链路接口或所述第二链路接口的状态信息标志为DOWN，同时将所述第二链路接口或所述第一链路接 口接口状态信息标志为联动关闭。
进一步地，该方法还包括，在所述主光线路终端将中断的所述第一链路接口或所述第二链路接口的状态信息标志为DOWN，同时将所述第二链路接口或所述第一链路接口接口状态信息标志为联动关闭之后，所述方法还包括：
所述光线路终端监测接口状态信息为DOWN的所述第一链路接口或所述第二链路接口；
当所述第一链路接口或所述第二链路接口恢复正常时，将所述第一链路接口或所述第二链路接口的接口状态信息DOWN恢复为UP，同时将所述第二链路接口或所述第一链路接口的联动关闭恢复为UP。
进一步地，该方法还包括，将所述第一链路接口或所述第二链路接口的接口状态信息DOWN恢复为UP，同时将所述第二链路接口或所述第一链路接口的联动关闭恢复为UP之后，所述方法还包括：
所述主光线路终端自动将所述网络交换设备和所述光网络终端业务切换回所述主光线路终端。
根据本发明的另一实施例，还提供了一种无源光网络手拉手切换方法装置，该装置包括：监测模块：设置为主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；关闭模块：设置为当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；切换模块：设置为所述主光线路终端自动将所述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备业务切换到备用光线路终端。。
进一步地，该装置还包括储存模块，设置为存储所述第一链路接口与所述第二链路接口的链路接口对应关系，其中所述储存模块位于光线路终端或服务器上。
在本发明实施例中，还提供了一种存储介质，该存储介质可以存储有 执行指令，该执行指令用于执行上述实施例中的无源光网络手拉手保护系统切换方法的实现。
本发明实施例通过创建一个主光线路终端监测连接网络交换设备的第一链路接口与连接光网络终端的第二链路接口的对应关系以提供一种简便的方案，通过该方案可以在主光线路连接网络交换设备的第一链路接口出现故障时，实现与连接光网络终端的第二链路接口的联动倒换；在主光线路终端连接光网络终端的第二链路接口出现故障时，实现与连接网络交换设备的第一链路接口的联动倒换，解决当主光线路终端连接网络交换设备端口的链路或者连接光网络终端端口的链路出现中断时，与之对应的光网络终端端口的链路或者连接网络交换设备端口的链路无法同步联动关闭并启动业务倒换到备用光线路终端，必须等到网络交换地址或者光网络终端地址老化后，才能启动业务倒换备用光线路终端的技术问题，缩短切换时间，提高业务恢复速度，增强用户体验。
附图说明
图1是根据本发明实施例的无源光网络手拉手保护系统结构示意图；
图2是根据本发明实施例的无源光网络手拉手保护系统切换方法流程图；
图3是根据本发明实施例的无源光网络手拉手保护系统切换装置系统框图；
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或 先后次序。
根据本发明的一方面，提供了一种无源光网络手拉手保护系统切换方法，图2是根据本发明实施例的无源光网络手拉手保护系统切换方法流程图，如图2所示，该方法包括
S102：主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；
S104：当监测到第一链路接口或所述第二链路接口中断时，主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭第二链路接口或所述第一链路接口；
S106：主光线路终端自动将第二链路接口的光网络终端或第一链路接口连接的网络交换设备业务切换到备用光线路终端。
主光线路终端检测到连接网络交换设备的第一链路接口(以下简称第一链路接口)中断时，自动将链路关联关系中对应光网络连接终端的第二链路接口(以下简称第二链路接口)关闭，光网络终端获得光线路终端关闭的信号后，实现光网络终端侧接口的倒换操作，使得光网络终端切换到保护光线路终端下工作。反之，主光线路终端检测到连接光网络终端的第二链路网络故障时，自动将链路关联关系中的连接网络交换设备的第一链路接口关闭，光网络终端获得光线路终端关闭的信号后，实现光网络终端侧接口的倒换操作，网络交换设备获得第一链路接口关闭的信号，实现光线路终端的倒换操作，使得光网络终端切换到保护光线路终端下工作。
比如在实际网络部署中，为主光线路终端OLT0、备用光线路终端OLT1完成链路关联关系表的配置，配置主光线路终端第一链路接口、与主光线路终端第一链路接口关联的第二链路接口的关联关系。
然后创建链路关联关系表，在链路关联关系表中，表中每条记录的信息第一链路接口与第二链路接口的链路接口对应关系，包括：第一链路接口的位置信息、第一链路接口的接口状态信息、第二链路接口的位置信息和第二链路接口的接口状态信息有三种取值：UP、DOWN、联动关闭。 其中，所述状态信息的初始状态均为UP。该表存储在光线路终端或服务器上并进行周期或者实时更新，具体的实现方式不仅是表也可以是数据库等。
主光线路终端OLT0启动专门的状态监测任务实时监测关联关系组中第一链路接口与第二链路接口的实时状态，并将状态信息填写到链路关联关系表中。
当主光线路终端OLT0的第一链路接口或者第二链路接口异常中断时，则主光线路终端OLT0第一链路接口或者第二链路接口状态更新为：DOWN。
1.当状态监测任务监测到主光线路终端OLT0第一链路接口的状态标志或第二链路接口的状态标志变为DOWN时，通知主光线路终端OLT0自动将对应的第二链路接口或者第一链路接口关闭，并在关联关系表中将自动关闭的端口的状态标志记录为“联动关闭”状态，自动将业务切换至备用光线路终端OLT1和相关网元。
当主光线路终端OLT0状态监测任务监测到第一链路接口或第二链路接口的状态标志处于“联动关闭”状态后，开始仅监测对应第二链路接口或者第一链路接口的状态，当主光线路终端OLT0第一链路接口或者第二链路接口连接恢复时，链路关联关系表中主光线路终端OLT0第一链路接口者第二链路接口状态更新为：UP，对应第二链路接口或者第一链路接口连接状态由联动关闭变更为UP，并在关联关系表中实时更新接口的工作状态，可根据需要自动将备份主光线路终端OLT1和对应的网元业务切换到主光线路终端OLT0，此处的处理为本领域技术人员的常用手段在此不做赘述。
当然，根据本领域技术人员的公知常识，包括无源光网络系统的链路保护部署，特别是可以通过规划全保护网络对主光线路终端第一链路进行保护部署，
数据配置工作可以在光线路终端网元上进行，也可以通过已经提供的 其他媒介进行。该配置的目的是确保无源光网络系统的保护链路的状态能够与光线路终端第一链路接口的状态之间的联动。
在最终用户体验宽带上网业务的时候，将主光线路终端OLT0的第二链路接口或者第一链路接口断开，终端用户体验宽带上网业务的网络通道迅速切换到备用光线路终端OLT1以及与备用光线路终端OLT1相连的上层网络上，终端用户可以继续进行宽带上网业务体验，如果上层网络结构不复杂且不会产生额外的延时，用户几乎感知不到手拉手保护网络已经发生过倒换。
本发明实施例还提供了一种无源光网络手拉手切换方法装置，图3是根据本发明实施例的无源光网络手拉手保护系统切换装置系统框图，如图3所示，该装置包括：监测模块32：设置为主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；关闭模块34：设置为当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；通知模块36：设置为所述主光线路终端通知所述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备将业务切换到备用光线路终端。。
进一步地，该装置还包括储存模块，设置为存储所述第一链路接口与所述第二链路接口的链路接口对应关系，其中所述储存模块位于光线路终端或服务器上。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模 块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供了一个主光线路终端监测连接网络交换设备的第一链路接口与连接光网络终端的第二链路接口的对应关系以提供一种简便的方案，通过该方案可以在主光线路连接网络交换设备的第一链路接口出现故障时，实现与连接光网络终端的第二链路接口的联动倒换；在主光线路终端连接光网络终端的第二链路接口出现故障时，实现与连接网络交换设备的第一链路接口的联动倒换，解决当主光线路终端连接网络交换设备端口的链路或者连接光网络终端端口的链路出现中断时，与之对应的光网络终端端口的链路或者连接网络交换设备端口的链路无法同步联动关闭并启动业务倒换到备用光线路终端，必须等到网络交换地址或者光网络终端地址老化后，才能启动业务倒换备用光线路终端的技术问题，缩短切换时间，提高业务恢复速度。

Claims (10)

  1. 一种无源光网络手拉手保护系统切换方法，该方法包括：
    主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；
    当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；
    所述主光线路终端自动将所述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备的业务切换到备用光线路终端。
  2. 如根据权利要求1所述的方法，其中，所述方法还包括：
    所述主光线路终端定期更新所述第一链路接口与所述第二链路接口的链路接口对应关系。
  3. 根据权利要求2所述的方法，其中，所述第一链路接口与所述第二链路接口的链路接口对应关系包括：第一链路接口的位置信息、第一链路接口的接口状态信息、第二链路接口的位置信息和第二链路接口的接口状态信息。
  4. 根据权利要求3所述的方法，其中，所述第一链路接口与所述第二链路接口的链路接口对应关系存储在光线路终端或服务器上。
  5. 根据权利要求3所述的方法，其中，所述第一链路接口和第二链路接口的状态信息包括：UP、DOWN、联动关闭，其中，所述状态信息的初始状态均为UP。
  6. 根据权利要求5所述的方法，其中，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口之后，所述方法还包括：
    所述主光线路终端将中断的所述第一链路接口或所述第二链路接口 的状态信息标志为DOWN，同时将所述第二链路接口或所述第一链路接口接口状态信息标志为联动关闭。
  7. 根据权利要求6所述的方法，其中，在所述主光线路终端将中断的所述第一链路接口或所述第二链路接口的状态信息标志为DOWN，同时将所述第二链路接口或所述第一链路接口接口状态信息标志为联动关闭之后，所述方法还包括：
    所述光线路终端监测接口状态信息为DOWN的所述第一链路接口或所述第二链路接口；
    当所述第一链路接口或所述第二链路接口恢复正常时，将所述第一链路接口或所述第二链路接口的接口状态信息DOWN恢复为UP，同时将所述第二链路接口或所述第一链路接口的联动关闭恢复为UP。
  8. 根据权利要求7的方法，其中，将所述第一链路接口或所述第二链路接口的接口状态信息DOWN恢复为UP，同时将所述第二链路接口或所述第一链路接口的联动关闭恢复为UP之后，所述方法还包括：
    所述主光线路终端自动将所述网络交换设备和所述光网络终端业务切换回所述主光线路终端。
  9. 一种无源光网络手拉手保护系统切换装置，该装置包括：
    监测模块：用于主光线路终端监测连接网络交换设备的第一链路接口和连接光网络终端的第二链路接口的链路状态；
    关闭模块：用于当监测到所述第一链路接口或所述第二链路接口中断时，所述主光线路终端根据预先设置的所述第一链路接口与所述第二链路接口的链路接口对应关系，自动关闭所述第二链路接口或所述第一链路接口；
    切换模块：用于所述主光线路终端自动将所述第二链路接口的光网络终端或所述第一链路接口连接的网络交换设备业务切换到备用光线路终 端。
  10. 根据权利要求9所述的切换装置，其中，所述装置还包括：
    储存模块，用于存储所述第一链路接口与所述第二链路接口的链路接口对应关系，其中所述储存模块位于光线路终端或服务器上。
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