WO2016091094A1 - Optical transport network protection switching method and device - Google Patents
Optical transport network protection switching method and device Download PDFInfo
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- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
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Abstract
Disclosed are an optical transport network protection switching method and device. The method comprises: a first client-side singleboard of an optical transport network acquires detection information about a working line from a working line-side singleboard, wherein the detection information about the working line is obtained by detecting the working line via the working line-side singleboard; and if the acquired detection information about the working line indicates the occurrence of a failure of the working line, the first client-side singleboard executes a protection switched strategy and switches service data from the working line to a protection line.
Description
本申请涉及但不限于光传输网络中的信息传输领域。This application relates to, but is not limited to, the field of information transmission in optical transmission networks.
传统的OTN(光传送网，Optical Transport Network)是基于电路交换技术来传输数据。图1所示的是相关技术的OTN构架，在电路交换中，每个客户侧单板将业务数据发送给交叉单板，由交叉单板确定传输线路。交叉单板将业务数据分配给已确定的传输路径的线路侧单板，之后由线路侧单板进行传输，到达对端。在这种电路交换技术下，必需由交叉单板负责传输路径的保护倒换工作。即，交叉单板来监测工作线路(即主用传输线路)是否故障，并在确定故障后，基于APS(自动保护倒换，Automatic Protection Switched)协议，执行倒换工作，使保护线路(即备用传输线路)替代工作线路。The traditional OTN (Optical Transport Network) is based on circuit switching technology to transmit data. The OTN architecture of the related art is shown in FIG. 1. In the circuit switching, each client-side board sends service data to the cross-board, and the cross-board determines the transmission line. The cross-board distributes the service data to the line-side board of the determined transmission path, and then transmits the line-side board to the peer. Under this circuit-switching technology, it is necessary for the cross-board to be responsible for the protection switching of the transmission path. That is, the cross-board is used to monitor whether the working line (ie, the primary transmission line) is faulty, and after the fault is determined, the switching operation is performed based on the APS (Automatic Protection Switched) protocol, so that the protection line (ie, the alternate transmission line) ) Replace the work line.
由于基于电路交换技术传输数据的速率远不及分组交换。因此，一些前沿公司开始在OTN上尝试通过分组交换技术传输业务数据。分组交换技术也称包交换技术，是将业务数据划分成一定的长度，每个部分叫做一个分组，通过传输分组的方式传输每个分组数据，并在对端对分组数据重组成OTN的业务数据。Since the rate of data transmission based on circuit-switched technology is far less than packet switching. As a result, some leading companies have begun experimenting with the transmission of business data over packet switching technology on OTN. Packet switching technology, also called packet switching technology, divides service data into a certain length. Each part is called a packet. Each packet data is transmitted by transmitting packets, and the packet data is reassembled into OTN service data at the opposite end. .
发明内容Summary of the invention
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.
由于分组交换的交叉粒度更小，因此对交叉单板的容量要求更大，而在传统的OTN保护倒换方法是由交叉单板集中负责执行，因此占用了很大的容量，所以当前需要重新研发OTN的保护倒换方案。Because the cross-linking granularity of packet switching is smaller, the capacity of the cross-board is more demanded. In the traditional OTN protection switching method, the cross-board is centralized and responsible for execution, so it takes up a lot of capacity, so it needs to be re-developed. OTN protection switching scheme.
本文提供一种光传送网的保护倒换方法及装置，能够由客户侧单板来代替交叉单板的执行保护倒换。
The present invention provides a protection switching method and device for an optical transport network, which can replace the performing protection switching of the cross-board by the client-side board.
本发明的实施例提供一种光传送网的保护倒换方法，包括：Embodiments of the present invention provide a protection switching method for an optical transport network, including:
光传送网的第一客户侧单板向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；The first client-side board of the optical transport network obtains the detection information of the working line from the working line side board, and the detection information of the working line is obtained by detecting the working line by the working line side board;
若获取到的所述工作线路的检测信息指示所述工作线路发生故障，则所述第一客户侧单板执行保护倒换策略，将业务数据由工作线路倒换至保护线路。If the obtained detection information of the working line indicates that the working line is faulty, the first customer side board performs a protection switching policy, and the service data is switched from the working line to the protection line.
其中，所述第一客户侧单板执行保护倒换策略，将业务数据由工作线路倒换至保护线路，包括：The first client-side board performs a protection switching policy, and the service data is switched from the working line to the protection line, including:
所述第一客户侧单板向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；The first client-side board sends a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;
所述第一客户侧单板向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。The first client-side board sends a traffic-opening command and a switching command to the protected-line-side board, so that the protection-line-side board starts the traffic switch of the protection line, and completes the service data according to the switching command. Protection switching action.
其中，所述第一客户侧单板向保护线路侧单板获取保护线路的检测信息，所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；The first client side board obtains detection information of the protection line from the protection line side board, and the detection information of the protection line is obtained by detecting the protection line by the protection line side board;
其中，所述第一客户侧单板在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection of the service data is performed when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line is not faulty.
其中，所述方法还包括：The method further includes:
所述第一客户侧单板在完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知；After the protection switching of the service data is completed, the first client-side board sends a switching notification to the second client-side board of the optical transport network;
其中，所述第二客户侧单板向工作线路侧单板获取工作线路的检测信息，并在根据获取到的检测信息确定出工作线路发生故障后，开始计时，若计时达到预设阈值时，未能接收到来自第一客户侧单板的倒换通知，则代替所述第一客户侧单板执行所述业务数据的倒换保护。The second client side board obtains the detection information of the working line from the working line side board, and after determining that the working line is faulty according to the obtained detection information, starts timing, and if the timing reaches a preset threshold, If the switching notification from the first client-side board is not received, the switching protection of the service data is performed instead of the first client-side board.
此外，本发明的实施例还提供一种光传送网的保护倒换装置，包括：
In addition, an embodiment of the present invention further provides a protection switching device for an optical transmission network, including:
第一获取模块，设置为：向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；The first obtaining module is configured to: obtain detection information of the working line from the working line side board, and the detecting information of the working line is obtained by detecting the working line by the working line side board;
保护倒换模块，设置为：若所述第一获取模块获取到的所述工作线路的检测信息指示所述工作线路发生故障，则执行保护倒换策略，将业务数据由工作线路倒换至保护线路。The protection switching module is configured to: if the detection information of the working line acquired by the first obtaining module indicates that the working line is faulty, perform a protection switching policy to switch service data from the working line to the protection line.
其中，所述保护倒换模块包括：The protection switching module includes:
第一发送子模块，设置为：向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；The first sending sub-module is configured to send a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;
第二发送子模块，设置为：向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。The second sending sub-module is configured to: send a traffic open command and a switch command to the protected line side board, so that the protection line side board starts the traffic switch of the protection line, and completes the service according to the switching command. Data protection switching action.
其中，所述装置还包括：Wherein, the device further comprises:
第二获取模块，设置为：向保护线路侧单板获取保护线路的检测信息，所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；The second obtaining module is configured to: obtain the detection information of the protection line from the protection line side board, and the detection information of the protection line is obtained by detecting the protection line by the protection line side board;
所述保护倒换模块是设置为：在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection switching module is configured to perform protection switching of service data when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line has no fault.
其中，所述装置还包括：Wherein, the device further comprises:
发送模块，设置为：在所述倒换保护模块完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知。The sending module is configured to send a switching notification to the second client-side board of the optical transport network after the switching protection module completes the protection switching of the service data.
此外，本发明的实施例还提供一种客户侧单板，包括上述光传送网的保护倒换装置。In addition, an embodiment of the present invention further provides a client side board, including the protection switching device of the above optical transmission network.
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。A computer readable storage medium storing computer executable instructions for performing the method of any of the above.
采用本发明实施例的方案，业务数据的保护组的决策由原来的交叉单板的集中执行，分散到每个客户侧单板上执行，在保护组数众多的情况下，缩
短了保护倒换处理时间，并释放交叉单板的容量资源。With the solution of the embodiment of the present invention, the decision of the protection group of the service data is performed by the centralized execution of the original cross-board, and is distributed to each client-side board, and in the case of a large number of protection groups, the reduction is performed.
The protection switching processing time is shortened, and the capacity resources of the cross-board are released.
在阅读并理解了附图和详细描述后，可以明白其他方面。Other aspects will be apparent upon reading and understanding the drawings and detailed description.
附图概述BRIEF abstract
图1为相关技术的OTN的构架示意图；1 is a schematic structural diagram of a related art OTN;
图2为本发明实施例的保护倒换方法的步骤示意图；2 is a schematic diagram of steps of a protection switching method according to an embodiment of the present invention;
图3为本发明实施例执行传输线路的保护倒换方法的流程示意图；3 is a schematic flowchart of a method for performing protection switching of a transmission line according to an embodiment of the present invention;
图4为本发明实施例的保护倒换装置的结构示意图。FIG. 4 is a schematic structural diagram of a protection switching device according to an embodiment of the present invention.
下面将结合附图对本发明的实施方式进行详细描述。Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
在相关技术中，OTN传输线路的保护倒换机制是由交叉单板集中执行，在大容量的保护组情况下，难以及时进行相应的保护倒换，为此，本发明实施例提供了一种全新的光传送网的保护倒换方法及装置，由客户侧单板来代替交叉单板的执行保护倒换。In the related art, the protection switching mechanism of the OTN transmission line is implemented by the cross-boards. In the case of the large-capacity protection group, it is difficult to perform the corresponding protection switching in time. For this reason, the embodiment of the present invention provides a brand-new protection. The protection switching method and device of the optical transport network replace the performing protection switching of the cross-board by the client-side board.
如图1所示，所述保护倒换方法包括：As shown in FIG. 1, the protection switching method includes:
步骤11，光传送网的第一客户侧单板向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；Step 11: The first client-side board of the optical transport network obtains the detection information of the working line from the working-line board, and the detection information of the working line is obtained by detecting the working line by the working-line board;
步骤12，若获取到的所述工作线路的检测信息指示所述工作线路发生故障，则所述第一客户侧单板执行保护倒换策略，将业务数据由工作线路倒换至保护线路。Step 12: If the obtained detection information of the working line indicates that the working line is faulty, the first client-side board performs a protection switching policy, and the service data is switched from the working line to the protection line.
采用本实施例的方法，在光传输网中，可将保护倒换组的决策分散到每个客户侧单板上，在保护组数众多的情况下，缩短了保护倒换处理时间。With the method of the embodiment, in the optical transmission network, the decision of the protection switching group can be distributed to each client side board, and in the case of a large number of protection groups, the protection switching processing time is shortened.
此外，传统的电路交换技术使用双发选收的方式传输业务数据，双发选收是指：发送端将业务数据通过工作线路以及保护线路同时向对端发送，对端择优接收工作线路上的业务数据，在工作线路故障之后，接收保护线路
上的业务数据。因此，在这种双发选收机制下，工作线路以及保护线路的流量一直处于打开状态，白白占用交叉单板上的交叉容量。为此，作为可选方案，本发明实施例在客户侧单板上实现了控制工作线路以及保护线路的流量开启/关闭功能。即，上述步骤12包括：In addition, the traditional circuit-switching technology uses the dual-issue selection method to transmit service data. The dual-issue selection means that the transmitting end sends the service data to the opposite end through the working line and the protection line, and the opposite end preferentially receives the working line. Service data, receiving protection lines after a working line failure
Business data on. Therefore, under this dual-issue selection mechanism, the traffic of the working line and the protection line is always on, and the cross capacity on the cross-board is occupied in vain. To this end, as an alternative, the embodiment of the present invention implements the flow opening/closing function of the control working line and the protection line on the client side board. That is, the above step 12 includes:
步骤121，所述第一客户侧单板向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；Step 121: The first client-side board sends a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;
步骤122，所述第一客户侧单板向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。Step 122: The first client-side board sends a traffic-opening command and a switching command to the protected-line-side board, so that the protection-line-side board starts the traffic switch of the protection line, and completes according to the switching command. The protection switching action of the service data.
在工作线路正常工作下，保护线路的流量处于常闭状态。当工作线路故障后，第一客户侧单板会控制工作线路侧单板关闭工作线路上的流量，从而不再占用交叉单板的容量资源。When the working line is working normally, the flow of the protection line is in a normally closed state. After the working line is faulty, the board on the first customer side controls the traffic on the working line to close the working line, so that the capacity of the cross-board is no longer occupied.
在上述实施例的基础之上，所述方法还包括：Based on the foregoing embodiment, the method further includes:
步骤13，所述第一客户侧单板向保护线路侧单板获取保护线路的检测信息，所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；Step 13: The first client-side board obtains detection information of the protection line from the protection line side board, and the detection information of the protection line is obtained by detecting the protection line by the protection line side board;
其中，所述第一客户侧单板在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection of the service data is performed when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line is not faulty.
即，第一客户侧单板同时捕获保护线路以及工作线路的状态，当工作线路故障，只有在保护线路正常情况下，将业务数据倒换至保护线路。That is, the first client-side board simultaneously captures the status of the protection line and the working line. When the working line fails, the service data is switched to the protection line only when the protection line is normal.
此外，还可再加入一个第二客户侧单板，与第一客户侧单板构建一个保护组，形成冗余方案，即，第一客户侧单板如果无法执行工作线路的保护倒换，则由第二客户侧单板负责执行。In addition, a second client-side board can be added to form a protection group with the first client-side board to form a redundancy scheme, that is, if the first client-side board cannot perform protection switching of the working line, The second client side board is responsible for execution.
在实施上述方案时，所述第二客户侧单板与第一客户侧单板一样，向工作线路侧单板获取工作线路的检测信息，并根据工作线路的检测信息实时确定工作线路是否发生故障。第一客户侧单板在完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知；当所述第二客户侧单
板确定出工作线路发生故障后，开始计时，若计时达到预设阈值时，未能接收到来自第一客户侧单板的倒换通知，则确定第一客户侧单板发生异常状况，并执行冗余协议，代替所述第一客户侧单板执行所述业务数据的倒换保护。When the solution is implemented, the second client-side board obtains the detection information of the working line from the working-line board in the same manner as the first-client board, and determines whether the working line is faulty according to the detection information of the working line. . After completing the protection switching of the service data, the first client-side board sends a switching notification to the second client-side board of the optical transmission network; when the second client side is single
After the board determines that the working line is faulty, it starts timing. If the timeout reaches the preset threshold, the board fails to receive the switching notification from the first client side board, and then determines that the first client side board is abnormal and performs redundancy. The remaining protocol performs the switching protection of the service data instead of the first client side board.
下面是对工作线路与保护线路的保护倒换的执行流程进行详细介绍。The following is a detailed introduction to the execution flow of the protection switching of the working line and the protection line.
如图3所示，包括如下步骤：As shown in Figure 3, the following steps are included:
步骤31，OLT系统中的工作线路的工作线路侧单板实时对工作线路进行故障检测。假设工作线路侧单板检测到工作线路发生故障，则通过其通讯模块向第一客户侧单板发送故障告警。在该过程中，工作线路侧单板可根据APS(Automatic Protection Switched自动保护倒换)协议对工作线路的状态进行检测，当检测出故障后，向第一客户侧单板发送APS告警报文；Step 31: The working line side board of the working line in the OLT system performs fault detection on the working line in real time. Assume that the working line side board detects that the working line is faulty, and sends a fault alarm to the first client side board through its communication module. In the process, the working line side board can detect the status of the working line according to the APS (Automatic Protection Switched Automatic Protection Switching) protocol, and send an APS alarm message to the first client side board after detecting the fault;
步骤32，第一客户侧单板的通讯模块在接收到故障告警后，通过其内部运行的APS协议，选择对应的保护线路，并通过通讯模块发送流量关闭命令给工作线路侧单板。Step 32: After receiving the fault alarm, the communication module of the first client-side board selects the corresponding protection line through the APS protocol running therein, and sends a traffic shutdown command to the working line side board through the communication module.
步骤33，工作线路侧单板板在接收到流量开关命令后，将对应流量开关关闭。Step 33: After receiving the flow switch command, the working line side single board board closes the corresponding flow switch.
步骤34，第一客户侧业务板通过通讯模块接收到应答成功报后文，发送打开流量开关命令和倒换命令给保护线路的保护线路侧单板。需要说明的是，倒换命令是已有的命令，可控制保护线路侧单板配置传输业务数据的相关信息(如组播方式的配置)。Step 34: The first client-side service board receives the response success message from the communication module, and sends a traffic switch command and a switch command to the protection line side board of the protection line. It should be noted that the switch command is an existing command, and can be used to control the information about the transmission service data (such as the configuration of the multicast mode).
步骤35，保护线路侧单盘通过通讯模块接收到打开流量开关命令后，将对应流量开关打开，并根据保护命令建立业务数据的连接。Step 35: After receiving the open flow switch command through the communication module, the protection line side single disk opens the corresponding flow switch, and establishes a connection of the service data according to the protection command.
下面对客户侧单板实施冗余方案进行介绍。The following describes how to implement redundancy on the client-side board.
网管配置指定第一客户侧单板为主控制器，另一第二客户侧单板为从控制器，主控制器运行APS协议，从而对工作线路侧单板以及保护线路侧单板进行监听，并发送流量开关命令以及倒换命令，从控制器运行APS协议，但不发送流量开关命令以及倒换命令。The NMS configuration specifies that the first client-side board is the master controller, and the other second-client board is the slave controller. The master controller runs the APS protocol to monitor the working line-side board and the protection line-side board. The traffic switch command and the switch command are sent, and the APS protocol is run from the controller, but the traffic switch command and the switch command are not sent.
第一客户侧单板在接收到第一线路侧单板发送的故障告警同时，传递给
第二客户侧单板，如果第一客户侧单板成功执行了工作线路与保护线路的保护倒换，则向第二客户侧倒换通知，使第一客户侧单板与第二客户侧单板运行的APS数据保持一致。The first client-side board receives the fault alarm sent by the first line-side board and transmits it to the fault alarm.
On the second client side board, if the first customer side board successfully performs the protection switching of the working line and the protection line, the second client side switches the notification to enable the first client side board and the second client side board to run. The APS data is consistent.
第二客户侧单板根据APS协议确定工作线路侧单板故障后，如果预设时间之内未收到第一客户侧单板的倒换通知，则认为第一客户侧单板异常，自动变成主控制器，并且发送流量开关命令以及倒换命令到保护线路侧单板。After the second client side board determines that the working line side board is faulty according to the APS protocol, if the switching notification of the first customer side board is not received within the preset time, the first customer side board is abnormal and automatically becomes The main controller sends a traffic switch command and a switch command to the protection line side board.
第一客户侧单板恢复正常，通过板间通信发状态信息给从第二客户侧单板，使第二客户侧单板恢复为从控制器。The board on the first client side is restored to normal. The status information is sent to the slave board from the second client side through the inter-board communication, so that the second client side board is restored to the slave controller.
此外，本发明的另一实施例还提供一种光传送网的保护倒换装置，应用于光传送网的第一客户侧单板，所述光传送网基于分组交换技术传输业务数据，如图4所示，所述装置包括：In addition, another embodiment of the present invention further provides a protection switching device for an optical transport network, which is applied to a first client-side board of an optical transport network, and the optical transport network transmits service data based on a packet switching technology, as shown in FIG. 4 . As shown, the device includes:
第一获取模块41，设置为：向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；The first obtaining module 41 is configured to: obtain the detection information of the working line from the working line side board, and the detection information of the working line is obtained by detecting the working line by the working line side board;
保护倒换模块42，设置为：若第一获取模块41获取到的所述工作线路的检测信息指示所述工作线路发生故障，则执行保护倒换策略，将业务数据由工作线路倒换至保护线路。The protection switching module 42 is configured to: if the detection information of the working line acquired by the first obtaining module 41 indicates that the working line is faulty, perform a protection switching policy to switch service data from the working line to the protection line.
与相关技术相比，本实施例的装置，由传统的交叉单板集中式的处理机制变为由每个客户侧单板的分组式处理机制，从而使保护倒换的反应速度更快，很好地满足了光传输系统对保护倒换的时间要求。Compared with the related art, the device in this embodiment is changed from the traditional cross-board centralized processing mechanism to the packet processing mechanism of each client-side board, so that the response of the protection switching is faster, and the response is faster. The ground meets the time requirement of the optical transmission system for protection switching.
所述保护倒换模块42包括：The protection switching module 42 includes:
第一发送子模块，设置为：向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；The first sending sub-module is configured to send a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;
第二发送子模块，设置为：向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。The second sending sub-module is configured to: send a traffic open command and a switch command to the protected line side board, so that the protection line side board starts the traffic switch of the protection line, and completes the service according to the switching command. Data protection switching action.
其中，本实施例的装置还包括:The device of this embodiment further includes:
第二获取模块，设置为：向保护线路侧单板获取保护线路的检测信息，
所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；The second obtaining module is configured to: obtain detection information of the protection line from the board on the protection line side,
The detection information of the protection line is obtained by detecting the protection circuit by the protection board side board;
所述保护倒换模块42是设置为：在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection switching module 42 is configured to perform protection switching of service data when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line has no fault.
其中，本实施例的装置还包括:The device of this embodiment further includes:
发送模块，设置为：在所述倒换保护模块42完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知。The sending module is configured to: after the switching protection module 42 completes the protection switching of the service data, send a switching notification to the second client-side board of the optical transport network.
其中，所述第二客户侧单板向工作线路侧单板获取工作线路的检测信息，并在根据获取到的检测信息确定出工作线路发生故障后，开始计时，若计时达到预设阈值时，未能接收到来自第一客户侧单板的倒换通知，则代替所述第一客户侧单板执行所述业务数据的倒换保护。The second client side board obtains the detection information of the working line from the working line side board, and after determining that the working line is faulty according to the obtained detection information, starts timing, and if the timing reaches a preset threshold, If the switching notification from the first client-side board is not received, the switching protection of the service data is performed instead of the first client-side board.
本实施例的保护倒换装置与上一实施例保护倒换方法相对应，均能够达到相同的技术效果。The protection switching device of this embodiment corresponds to the protection switching method of the previous embodiment, and can achieve the same technical effect.
此外，本发明另一实施例还提供一种客户侧单板，包括了上述的光传送网的保护倒换装置。本实施例的客户侧单板能够代替交叉单板执行业务数据的保护倒换机制，从而释放了交叉单板的容量占用。In addition, another embodiment of the present invention further provides a client side board, including the protection switching device of the optical transmission network described above. The client-side board in this embodiment can perform the protection switching mechanism of the service data instead of the cross-board, thereby releasing the capacity occupation of the cross-board.
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，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。Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
上述实施例中的装置/功能模块/功能单元可以采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，也可以分布在多个计算装置所组成的网络上。The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。
上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
采用本发明实施例的方案，业务数据的保护组的决策由原来的交叉单板的集中执行，分散到每个客户侧单板上执行，在保护组数众多的情况下，缩短了保护倒换处理时间，并释放交叉单板的容量资源。
With the solution of the embodiment of the present invention, the decision of the protection group of the service data is performed by the centralized execution of the original cross-board, and is distributed to each client side, and the protection switching process is shortened when the number of protection groups is large. Time and release the capacity resources of the cross-board.
Claims (10)
- 一种光传送网的保护倒换方法，包括：A protection switching method for an optical transport network includes:光传送网的第一客户侧单板向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；The first client-side board of the optical transport network obtains the detection information of the working line from the working line side board, and the detection information of the working line is obtained by detecting the working line by the working line side board;若获取到的所述工作线路的检测信息指示所述工作线路发生故障，则所述第一客户侧单板执行保护倒换策略，将业务数据由工作线路倒换至保护线路。If the obtained detection information of the working line indicates that the working line is faulty, the first customer side board performs a protection switching policy, and the service data is switched from the working line to the protection line.
- 根据权利要求1所述的方法，其中，The method of claim 1 wherein所述第一客户侧单板执行保护倒换策略，将业务数据由工作线路倒换至保护线路，包括：The first client-side board performs a protection switching policy, and the service data is switched from the working line to the protection line, including:所述第一客户侧单板向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；The first client-side board sends a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;所述第一客户侧单板向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。The first client-side board sends a traffic-opening command and a switching command to the protected-line-side board, so that the protection-line-side board starts the traffic switch of the protection line, and completes the service data according to the switching command. Protection switching action.
- 根据权利要求1所述的方法，还包括：The method of claim 1 further comprising:所述第一客户侧单板向保护线路侧单板获取保护线路的检测信息，所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；The first client-side board obtains detection information of the protection line from the protection line side board, and the detection information of the protection line is obtained by detecting the protection line by the protection line side board;其中，所述第一客户侧单板在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection of the service data is performed when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line is not faulty.
- 根据权利要求1所述的方法，还包括：The method of claim 1 further comprising:所述第一客户侧单板在完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知；After the protection switching of the service data is completed, the first client-side board sends a switching notification to the second client-side board of the optical transport network;其中，所述第二客户侧单板向工作线路侧单板获取工作线路的检测信息，并在根据获取到的检测信息确定出工作线路发生故障后，开始计时，若计时达到预设阈值时，未能接收到来自第一客户侧单板的倒换通知，则代替 所述第一客户侧单板执行所述业务数据的倒换保护。The second client side board obtains the detection information of the working line from the working line side board, and after determining that the working line is faulty according to the obtained detection information, starts timing, and if the timing reaches a preset threshold, Failure to receive a switch notification from the first client side board instead The first client-side board performs the switching protection of the service data.
- 一种光传送网的保护倒换装置，包括：A protection switching device for an optical transmission network, comprising:第一获取模块，设置为：向工作线路侧单板获取工作线路的检测信息，所述工作线路的检测信息是工作线路侧单板对该工作线路进行检测得到的；The first obtaining module is configured to: obtain detection information of the working line from the working line side board, and the detecting information of the working line is obtained by detecting the working line by the working line side board;保护倒换模块，设置为：若所述第一获取模块获取到的所述工作线路的检测信息指示所述工作线路发生故障，则执行保护倒换策略，将业务数据由工作线路倒换至保护线路。The protection switching module is configured to: if the detection information of the working line acquired by the first obtaining module indicates that the working line is faulty, perform a protection switching policy to switch service data from the working line to the protection line.
- 根据权利要求5所述的装置，其中，The device according to claim 5, wherein所述保护倒换模块包括：The protection switching module includes:第一发送子模块，设置为：向所述工作线路侧单板发送流量关闭命令，使得所述工作线路侧单板关闭该工作线路的流量开关；The first sending sub-module is configured to send a traffic close command to the working line side board, so that the working line side board closes the flow switch of the working line;第二发送子模块，设置为：向所保护线路侧单板发送流量开启命令以及倒换命令，使得所述保护线路侧单板开启该保护线路的流量开关，并根据所述倒换命令完成所述业务数据的保护倒换动作。The second sending sub-module is configured to: send a traffic open command and a switch command to the protected line side board, so that the protection line side board starts the traffic switch of the protection line, and completes the service according to the switching command. Data protection switching action.
- 根据权利要求5所述的装置，还包括：The apparatus of claim 5 further comprising:第二获取模块，设置为：向保护线路侧单板获取保护线路的检测信息，所述保护线路的检测信息是保护线路侧单板对该保护线路进行检测得到的；The second obtaining module is configured to: obtain the detection information of the protection line from the protection line side board, and the detection information of the protection line is obtained by detecting the protection line by the protection line side board;所述保护倒换模块是设置为：在所述工作线路的检测信息指示所述工作线路发生故障，且所述保护线路的检测信息指示所述保护线路没有故障时，执行业务数据的保护倒换。The protection switching module is configured to perform protection switching of service data when the detection information of the working line indicates that the working line is faulty, and the detection information of the protection line indicates that the protection line has no fault.
- 根据权利要求1所述的装置，还包括：The apparatus of claim 1 further comprising:发送模块，设置为：在所述倒换保护模块完成所述业务数据的保护倒换后，向所述光传送网的第二客户侧单板发送倒换通知。The sending module is configured to send a switching notification to the second client-side board of the optical transport network after the switching protection module completes the protection switching of the service data.
- 一种客户侧单板，包括：A client-side board that includes:如权利要求5-8任一项所述的光传送网的保护倒换装置。A protection switching device for an optical transport network according to any of claims 5-8.
- 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-4任一项的方法。 A computer readable storage medium storing computer executable instructions for performing the method of any of claims 1-4.
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| JP2014093600A (en) * | 2012-11-01 | 2014-05-19 | Mitsubishi Electric Corp | Forced uninterruptible changeover system of communication node device |
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| CN1921326A (en) * | 2006-08-29 | 2007-02-28 | 华为技术有限公司 | Method, device and system for main-standby inverting control |
| CN101170320A (en) * | 2007-11-28 | 2008-04-30 | 中兴通讯股份有限公司 | Crossed master/slave switching method |
| CN101909222A (en) * | 2009-06-03 | 2010-12-08 | 华为技术有限公司 | Optical line terminal equipment, protection method and passive optical network system |
| JP2014093600A (en) * | 2012-11-01 | 2014-05-19 | Mitsubishi Electric Corp | Forced uninterruptible changeover system of communication node device |
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