WO2004047363A1 - Procede de realisation de la reconstruction d'un reseau optique - Google Patents

Procede de realisation de la reconstruction d'un reseau optique Download PDF

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Publication number
WO2004047363A1
WO2004047363A1 PCT/CN2003/000974 CN0300974W WO2004047363A1 WO 2004047363 A1 WO2004047363 A1 WO 2004047363A1 CN 0300974 W CN0300974 W CN 0300974W WO 2004047363 A1 WO2004047363 A1 WO 2004047363A1
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WO
WIPO (PCT)
Prior art keywords
data
network
network element
modified
configuration layer
Prior art date
Application number
PCT/CN2003/000974
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English (en)
French (fr)
Inventor
Ning Kang
Liang Liu
Shengqiang Gao
Xinhua Guo
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to AU2003302099A priority Critical patent/AU2003302099A1/en
Priority to EP03811328A priority patent/EP1571779A4/en
Publication of WO2004047363A1 publication Critical patent/WO2004047363A1/zh
Priority to US11/131,064 priority patent/US7421198B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0654Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0663Performing the actions predefined by failover planning, e.g. switching to standby network elements

Definitions

  • the present invention relates to the maintenance technology of an optical network, and particularly to a method for implementing the reconstruction of an optical network. Background of the invention
  • the existing optical network capacity can no longer meet the increasing user needs, which will necessarily require the expansion and reconstruction of the current optical network to support larger business capacity.
  • the expansion and reconstruction of the former optical network mainly depends on engineers' use of tools such as the command line on network management systems such as the element management system (EMS) or local network maintenance equipment (LCT) based on their own experience. According to certain steps, the data on the network element side and the network management side are modified into the data after the expansion and transformation.
  • EMS element management system
  • LCDT local network maintenance equipment
  • the purpose of the present invention is to provide a method for realizing optical network reconstruction, realizing automatic modification of optical network reconstruction, thereby reducing the operation difficulty of network engineers, shortening modification time, and avoiding network interruption during the reconstruction process as much as possible.
  • a method for implementing optical network transformation includes the following steps:
  • the network manager calculates the actual data required for the current optical network transformation based on all the physical information entered and the network-related data saved by itself.
  • the network management performs data modification on the network management side according to the calculated data, and sends the network element side data of the optical network transformation obtained in step b) to the network element.
  • Step b) of the method further includes:
  • the network management judges whether the input physical information is legal, and if so, proceeds to the next step; otherwise, it ends the current data modification process.
  • step c) of the method the network management system modifies the network layer and configuration layer data of the optical network transformation, and after the configuration layer data modification on the network management side is completed, immediately sends the configuration layer data required for modification on the network element side to the corresponding Network element.
  • the modification in step c) of the method is to divide the data modification process into more than one small step, and each small step performs one data modification.
  • Step C) of the method further includes: in the data modification process, each time a small step of data modification is performed to determine whether the modification of the step is successful, and if successful, the current state data is saved, and the data modification of the subsequent steps is continued, Otherwise, the modified data in each step is restored from the current state and rolled back to the state before the expansion.
  • the network management saves all current data before performing the optical network reconstruction. If the reverse operation process fails, the current data modification process ends, and the saved optical network is displayed. Data before transformation.
  • step C) specifically includes the following steps:
  • cl6 Create fiber and unprotected chain between the main subrack and extension subrack at the network layer.
  • cl7. Create cross-connections related to the migration tributary on the main subrack and the extended subrack at the configuration layer, and send the data that needs to be modified on the NE side to the corresponding NEs.
  • step c) specifically includes the following steps:
  • step c specifically includes the following steps:
  • c36 Create a cross-connection on the newly created unit disk at the configuration layer, and send the data that needs to be modified on the NE side to the corresponding NE.
  • step c) specifically It includes the following steps:
  • step c44 Determine whether the current protection subnet is a multiplex segment ring. If it is a multiplex segment ring, adjust the node ID of the multiplex segment ring and go to step c45, otherwise, go directly to step c45.
  • c45 Determine whether the current protection subnet is a multiplex segment ring. If it is a multiplex segment ring, start the multiplex segment protocol to end the process; otherwise, directly end the process.
  • the physical information related to the optical network reconstruction described in this method includes: a network element identification before or after the optical network reconstruction, or a unit disk identification, or a port identification, or an optical fiber identification, or a combination of the above four identifications.
  • the method further includes: the network element sends the data to its own unit disk at one time after the optical network transformation operation is completed.
  • the solution of the present invention automatically completes the data calculation and data modification of the optical network transformation based on the physical information required by the user for the optical network transformation through the network management having a circuit function, and will need to be modified on the network element side
  • the data is delivered to the corresponding network element, thereby completing the optical network transformation.
  • the manual operation of the optical network reconstruction process is reduced, and the quality requirements of the network maintenance engineer are reduced.
  • the information and resource advantages of the network management are fully utilized. As the calculation, modification and distribution of the optical network reconstruction data are performed by the network management, The reliability of optical network reconstruction is improved, and the time for optical network reconstruction is shortened.
  • the network layer and configuration layer data are modified separately, so that the network elements and data affected during the reconstruction operation are minimized, and the operation can be effectively reduced. For risk.
  • the network management automatically performs the reverse operation to restore the data to the original state before the transformation, ensure the correctness of the transformation data, and further improve the reliability of the optical network transformation.
  • the solution of the present invention can reliably and reliably implement optical network transformation operations such as adding an expansion subrack, relocating a unit disk, changing a unit disk type, and protecting a subnet by adding or deleting network elements.
  • optical network transformation operations such as adding an expansion subrack, relocating a unit disk, changing a unit disk type, and protecting a subnet by adding or deleting network elements.
  • the network management automatically implements the optical network transformation, which improves efficiency and reduces the risk of network transformation.
  • FIG. 1 is a schematic flow chart of a newly added extended subrack according to the present invention
  • Figure 2 is a schematic diagram of the process of inputting physical information during the process of adding an extended subrack
  • Figure 3 is a schematic diagram of the process of data modification during the process of adding an extended subrack
  • Figure 4 is a schematic diagram of the unit disk location migration process of the present invention
  • Figure 5 is a schematic diagram of the physical information input process during the unit disk location migration process
  • Figure 6 is a schematic diagram of the data modification process during the unit disk location migration process
  • Figure 7 is a schematic diagram of the unit disk type change process of the present invention
  • Figure 8 is a schematic diagram of the physical information input process during the unit disk type change process
  • Figure 9 is a schematic diagram of the data modification process during the unit disk type change process
  • Figure 10 is a schematic flowchart of adding and deleting network elements in the protection subnet of the present invention
  • Figure 11 is a schematic diagram of the physical information input process during the process of adding or deleting network elements in the protection subnet;
  • Figure 12 is a schematic diagram of the process of data modification during the process of adding or deleting network elements in the protection subnet.
  • the solution of the present invention is selected by the user on the network management side after the hardware reconstruction of the optical network is completed
  • the current physical network transformation related physical information such as the network element identification, unit disk identification, port identification, fiber identification before and after the reconstruction, and network management with circuit functions, such as: EMS or network management
  • the system (NMS, Network Management System) completes the business calculations required for the optical network reconstruction based on the physical information related to the optical network reconstruction selected by the user, and according to the network-related data saved by itself, and obtains the optical network reconstruction required for the network management side and the network element side.
  • the network management refines the transformation process into several small steps, and completes the modification of the data related to the optical network one by one, thereby completing the optical network transformation.
  • the configuration layer and network layer data are modified separately, that is, the protection subnet, fiber, path at the network layer, and the protection type at the configuration layer. Data such as services are modified separately. In this way, modifying network layer data does not affect the data on the network elements, while modifying configuration layer data only affects a maximum of two network elements, which can effectively reduce operational risks.
  • the capacity of the branch is generally extended by adding a new subrack.
  • the boards on the original main subrack need to be migrated to the extended subrack.
  • an optical fiber and an unprotected chain are created between the main subrack and the expansion subrack.
  • the services on the original main subrack are penetrated through the main subrack and are placed on and off the branch board of the expansion subrack.
  • Step 101 Enter the physical information related to the newly added expansion subrack.
  • the wizard may be used to prompt the user to input the physical information required for adding the expansion sub-frame step by step.
  • the specific process is shown in Figure 2:
  • Step 101a enter the network element where the main subrack to be modified is located.
  • Step 101b enter the branch trays to be migrated on the main subrack.
  • Step 101c input the line board connected to the optical fiber on the main subrack.
  • Step 101d enter the network element where the expansion subrack is located.
  • Step 101e input the line board connected to the optical fiber on the expansion subrack.
  • Step 101f enter the branch tray to be migrated on the expansion subrack.
  • step 101g the port correspondence between the tributary disks before and after the position migration is set.
  • Step 102 The network manager analyzes the input information to determine whether the input information is valid. If the input information is invalid, it exits and ends the process. If it is valid, it proceeds to step 103.
  • Step 103 According to the input information and the configuration layer and network layer related data stored in the network management database, the network manager performs calculations required for adding the extension subrack, and determines the configuration layer and network layer that need to be modified for the newly added extension subrack. data.
  • the calculation described in this step is calculated by the network administrator based on the input physical information and comprehensively considering the current state of the network, and related data at the configuration layer and the network layer to obtain the updated network layer and configuration layer data required for the current optical network transformation.
  • Step 104 The network management system modifies the data of the network layer and the configuration layer respectively on the network management side, and immediately sends the configuration layer data that needs to be modified on the network element side to the corresponding network element after the configuration layer data modification is completed.
  • this step includes the following steps, as shown in FIG. 3:
  • Step 104a At the configuration layer, delete the cross connection related to the branch disk to be migrated from the main subrack, and send the data that needs to be modified on the network element side to the corresponding network element.
  • step 104b the branch disk to be migrated from the main subrack is deleted at the configuration layer, and the data that needs to be modified on the network element side is sent to the corresponding network element.
  • Step 104c Create a circuit board to be connected to the optical fiber on the main subrack at the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 104d at the configuration layer, an expansion subrack needs to be connected to an optical fiber line board.
  • the data modified on the NE side is delivered to the corresponding NE.
  • Step 104e Create a tributary tray on the extended subrack at the configuration layer, move the tributary tray of the main subrack to this place, and send the data that needs to be modified on the NE side to the corresponding NE.
  • Step 104f Create an optical fiber and an unprotected chain between the main subrack and the extended subrack at the network layer.
  • Step 104g Create cross-connections related to the migration tributary disks on the main subrack and the extended subrack at the configuration layer, and send the data that needs to be modified on the NE side to the corresponding NEs.
  • Step 104h Modify related circuits at the network layer.
  • the network manager saves the current data before the optical network transformation in advance.
  • the network manager determines whether the modification is successful. If it needs to issue a network element, it must wait for the network element's feedback message. And determine whether the network element returns a success message. If the modification is successful, save the current data and proceed to the next step, otherwise, perform a rollback operation, that is, reverse the completed modification process, restore the data to the state before the data modification, and prompt an error message. If an error fails during the rollback process, the rollback operation is stopped immediately, and the saved data information before the optical network transformation is displayed for the user to process.
  • Step 401 Enter physical information related to the location of the unit disk.
  • a wizard can be used to prompt the user to input the physical information required for the unit disk position migration step by step.
  • the specific process is shown in Figure 5:
  • Step 401a input a network element to be modified.
  • Step 401b input the unit disk to be migrated.
  • Step 401c enter the location of the unit disk after migration.
  • step 401d the port correspondence between the unit disks before and after the position migration is set.
  • Step 402 The network manager analyzes the input information to determine whether the input information is valid. If the input information is invalid, the network administrator exits and ends the process. If the input information is valid, the process proceeds to the next step.
  • Step 403 Based on the input information and the configuration layer and network layer related data stored in the network management database, the network management performs calculations required for unit disk position migration, and determines the configuration layer and network layer data that need to be modified for unit disk position migration.
  • the calculation described in this step is calculated by the network administrator based on the input physical information and comprehensively considering the current state of the network, and related data at the configuration layer and the network layer to obtain the updated network layer and configuration layer data required for the current optical network transformation.
  • step 404 the network management system modifies the data of the network layer and the configuration layer respectively on the network management side, and immediately sends the configuration layer data that needs to be modified on the network element side to the corresponding network element after the configuration layer data modification is completed.
  • this step includes the following steps, as shown in FIG. 6:
  • Step 404a Delete the cross-connection related to the unit disk to be migrated at the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 404b Delete the protection subnet related to the unit disk to be migrated at the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 404c Delete the unit disk to be migrated at the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 404d Create a unit disk at a new location on the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 404e Create a protection subnet on the newly created unit disk at the configuration layer, and send the data that needs to be modified on the network element side to the corresponding network element.
  • Step 404f Create a cross-connection on the newly created unit disk at the configuration layer, and send the data that needs to be modified on the NE side to the corresponding NE.
  • Step 404g Modify the circuit and protect the subnet based on the relocated unit disks at the network layer.
  • the network manager saves the current data before the optical network transformation in advance. Each time the network manager completes a small step, it determines whether the modification is successful. If it is necessary to issue a network element, it must wait for the network element's feedback message. And determine whether the network element returns a success message. If the modification is successful, save the current data and proceed to the next step, otherwise, perform a rollback operation, that is, reverse the completed modification process, restore the data to the state before the data modification, and prompt an error message. If an error fails during the rollback process, the rollback operation is stopped immediately, and the saved data information before the optical network transformation is displayed for the user to process.
  • Type The system automatically completes changes in the circuit and protects the network data related to the subnet.
  • the types of unit disks include branch disks and line disks.
  • Step 701 Enter the physical information required to change the type of the unit disk.
  • Step 701a enter the network element that needs to be modified.
  • Step 701b enter the unit disk whose type needs to be changed.
  • Step 701c enter the changed unit disk type.
  • step 701d the port correspondence between the unit disks before and after the change is set.
  • Step 702 The network management analyzes the input information to determine whether the input information is legal. If it is not legal, then exit and end the process; if it is legal, go to the next step.
  • Step Oak 703. Based on the input information and the configuration layer and network layer data stored in the database, the network administrator performs calculations required to change the type of the unit disk, and determines the configuration layer and network layer data that need to be modified when the type of unit disk is changed.
  • the calculation described in this step is calculated by the network administrator based on the input physical information and comprehensively considering the current state of the network, and related data at the configuration layer and the network layer to obtain the updated network layer and configuration layer data required for the current optical network transformation.
  • step 704 the network management changes the data of the network layer and the configuration layer respectively at the network management side, and immediately sends the configuration layer data that needs to be modified at the network element side to the corresponding network element after the configuration layer data modification is completed.
  • This step specifically includes the following steps, as shown in FIG. 9:
  • step 704a the cross-connection related to the unit disk of the type to be changed is deleted at the configuration layer, and the data that needs to be modified on the network element side is sent to the corresponding network element.
  • step 704b at the configuration layer, the data at the configuration layer of the protection subnet related to the unit disk to be changed is deleted, and the data that needs to be modified at the network element side is sent to the corresponding network element.
  • step 704c the unit disk of the type to be changed is deleted at the configuration layer, and the data to be modified on the network element side is sent to the corresponding network element.
  • step 704d the changed type unit disk is created at the configuration layer, and the data that needs to be modified on the network element side is sent to the corresponding network element.
  • step 704e at the configuration layer, the data of the protection subnet at the configuration layer is created on the newly created unit disk, and the data that needs to be modified at the network element side is sent to the corresponding network element.
  • step 704f a cross-connection is created on the newly created unit disk at the configuration layer, and the data that needs to be changed on the NE side is sent to the corresponding NE.
  • Step 704g modify the circuit and protect the subnet according to the modified unit disk at the network layer.
  • the current data before the network management is reformed by the network management in advance For saving, each time the network administrator completes a small step, it determines whether the modification is successful. If the network element needs to be delivered, it must also wait for the network element's feedback message, and determine whether the network element returns a success message. If the modification is successful, save the current data and proceed to the next step; otherwise, perform a rollback operation, that is, reverse the completed modification process, restore the data to the previous state of the data modification, and prompt an error message. If an error fails during the rollback process, the rollback operation is stopped immediately, and the saved data information before the optical network transformation is displayed for the user to process.
  • SNC subnet connection
  • a node is added and the fiber is disconnected
  • the working services on the fiber are automatically switched to the protection channel through the present invention
  • a node is added and the fiber connection is restored, and services are directly configured Pass-through to ensure that the original business is not interrupted and restored to the working channel.
  • a multiplex segment ring or a linear multiplex segment chain when a node is added and a fiber is disconnected, a through service is automatically generated by the present invention, and the multiplex segment ring will be switched to ensure that the loop is not interrupted during the adding process.
  • the network automatically returns from the switching state to the working state to ensure the normal operation of the multiplex section.
  • Step 1001 enter the physical information related to adding and deleting network elements in the protection subnet.
  • a wizard can be used to prompt the user to input the physical information required to add or delete network elements in the protection subnet step by step.
  • the specific process is shown in Figure 11:
  • Step 1001a enter the removed fiber.
  • Step 1001b For an optical network with a multiplex segment ring, the user needs to check the protocol status first. If the multiplex segment protocol is running, enter the current status of the multiplex segment ring. If the multiplex segment protocol is not running, enter directly Next step.
  • Step 1001c enter the network element to be added.
  • Step 10Old enter to establish a new fiber connection.
  • Step lOOle enter a service pass-through policy for the newly added network element.
  • Step 1002 The network administrator analyzes the input information to determine whether the input information is valid. If the input information is invalid, the network administrator exits and ends the process. If the input information is valid, the process proceeds to the next step.
  • Step 1003 According to the input information, and according to the configuration layer and network layer data stored in the network management database, the network manager performs calculations required to protect the addition and deletion of network elements on the subnet, and determines the configuration layer and network that need to be modified to protect and add the network elements on the subnet Layer data.
  • the calculation described in this step is calculated by the network administrator based on the input physical information and comprehensively considering the current state of the network, and related data at the configuration layer and the network layer to obtain the updated network layer and configuration layer data required for the current optical network transformation.
  • step 1004 the network management system modifies the data of the network layer and the configuration layer respectively at the network management side, and immediately sends the configuration layer data that needs to be modified at the network element side to the corresponding network element after the configuration layer data modification is completed.
  • this step specifically includes the following detailed steps, as shown in FIG. 12:
  • Step 1004a Modify the fiber connection at the network layer.
  • Step 1004b Modifying data at the configuration layer of the protection subnet at the configuration layer mainly includes adding a node to the protection subnet, and sending the data that needs to be modified at the network element side to the corresponding network element.
  • Step 1004c Modify related circuits at the configuration layer, create cross-connections on the newly added nodes, and send the data that needs to be modified on the NE side to the corresponding NEs.
  • Step 1004d Determine whether the protection subnet is a multiplex segment ring. If it is a multiplex segment, adjust the node ID of the multiplex segment ring and proceed to step 1004e; if it is not a multiplex segment, proceed directly to step 1004e.
  • Step 1004e Determine whether the protection subnet is a multiplex segment ring. If it is a multiplex segment ring, start the multiplex segment protocol and end the process; if it is not a multiplex segment, end the process.
  • step 1004 the network management prior to the optical network reconstruction before the current data According to the save, each time the network administrator completes a small step, it determines whether the modification is successful. If the network element needs to be delivered, it must also wait for the network element's feedback message, and determine whether the network element returns a success message. If the modification is successful, save the current data and proceed to the next step; otherwise, perform a rollback operation, that is, reverse the completed modification process, restore the data to the previous state of the data modification, and prompt an error message. If an error fails during the rollback process, the rollback operation is stopped immediately, and the saved data information before the optical network transformation is displayed for the user to process.
  • a rollback operation that is, reverse the completed modification process
  • the current modification content and progress can also be displayed by the network management in real time, thereby making the operation process more intuitive.
  • the control software of the network element After the network management automatically completes the data modification and delivers the network element, the control software of the network element only receives the configuration layer data, but does not send it to the unit disk. After the operation is over, the control software of the network element sends the data to the unit disk at one time. This will ensure minimal impact on the business.

Description

实现光网络改造的方法
技术领域
本发明涉及光网络的维护技术, 特别是指一种实现光网络改造的方 法。 发明背景
随着通讯需求的不断增加, 现有的光网絡容量已不能满足曰益增长 的用户需要, 这就必然需要对当前的光网络进行扩容改造, 以支持更大 的业务容量。
司前光网络扩容改造的操作, 主要依靠工程师根据自己的经验, 在 网元管理系统( EMS , Element Management System )等网管上, 或者本 地维护终端 (LCT )等网元设备上借助命令行等工具, 按一定步骤将网 元侧和网管侧上的数据逐一修改成扩容改造后的数据。
人工操作进行光网络改造的缺点是: 修改难度大, 操作步骤较多, 由于电信网络组网复杂, 数据量大, 每次进行不同的网络改造都需要确 定出本次改造所影响到的所有可能数据, 然后再逐一进行修改, 如此即 使是非常有经验的工程师, 也可能出现数据修改遗漏、 网元侧和网管侧 数据不一致等问题, 具有一定的风险; 而且, 耗费时间长, 修改过程中 往往需要网络长时间中断业务; 并且在扩容失败的情况下, 若想恢复原 配置同样是费时、 费力, 更增加了中断业务的风险, 因此对于网络通信 特别是对于不允许业务中断的电信设备来说, 人工操作进行扩容改造不 仅具有一定风险, 而且给用户服务带来很多不便。 发明内容
本发明的目的在于提供一种实现光网络改造的方法, 实现光网络改 造的自动修改, 从而降低网络工程师操作难度, 缩短修改时间, 并尽量 避免改造过程中的网络中断。
为达到上述目的, 本发明的技术方案是这样实现的:
一种实现光网络改造的方法, 包括以下步驟:
a )输入光网络改造所需的物理信息;
b ) 网管根据输入的所有物理信息和自身保存的网络相关数据, 计 算当前光网络改造实际所需的数据;
c ) 网管根据计算得到的数据在网管侧进行数据修改, 并将步驟 b ) 得到的光网络改造的网元侧数据下发至网元。
该方法步骤 b )前进一步包括:
bl )网管判断所输入的物理信息是否合法, 如果是, 则进入下一步, 否则, 结束当前数据修改流程。
该方法所述步骤 c ) 中网管对光网络改造的网络层和配置层数据分 别进行修改, 并在网管侧配置层数据修改完成后, 立即将网元侧修改所 需配置层数据下发至相应网元。
该方法所述步骤 c ) 中所述修改是将数据修改过程划分为一个以上 小步骤, 每个小步驟执行一个数据的修改。
该方法步骤 C ) 中进一步包括: 网管在数据修改过程中, 每进行完 一个小步骤的数据修改都判断该步修改是否成功, 如果成功, 则保存当 前状态数据, 继续进行后面步骤的数据修改, 否则, 从当前状态开始逆 向恢复各步骤已修改的数据, 回滚至扩容前的状态。
该方法网管在进行光网络改造以前保存当前所有数据, 如果所述逆 向操作过程失败, 则结束当前数据修改流程, 并显示所保存的该光网络 改造之前的数据。
该方法如果所述光网络改造是新增扩展子架, 则步驟 C )具体包括 以下步骤:
cll . 在配置层删除主子架上与要迁移支路盘有关的交叉连接, 将需 要在网元侧修改的数据下发至相应网元。
cl2. 在配置层删除主子架上要迁移的支路盘,将需要在网元侧修改 的数据下发至相应网元。
cl3. 在配置层创建主子架上需连接光纤的线路盘,将需要在网元侧 修改的数据下发至相应网元。
cl4. 在配置层创建扩展子架上需连接光纤的线路盘,将需要在网元 侧修改的数据下发至相应网元。
cl5. 在配置层创建扩展子架上支路盘, 主子架的支路盘迁移至此, 将需要在网元侧修改的数据下发至相应网元。
cl6. 在网絡层创建主子架和扩展子架之间的光纤和无保护链。 cl7. 在配置层创建主子架和扩展子架上与迁移支路盘有关的交叉 连接, 将需要在网元侧修改的数据下发至相应网元
cl8. 在网络层修改相关的电路, 结束流程。
该方法如果所述光网络改造是单元盘位置迁移, 步骤 c )具体包括 以下步骤:
c21. 在配置层删除与要迁移的单元盘有关的交叉连接,将需要在网 元侧修改的数据下发至相应网元。
c22. 在配置层删除与要迁移的单元盘有关的保护子网在配置层的 数据, 将需要在网元侧修改的数据下发至相应网元。
c23. 在配置层删除要进行位置迁移的单元盘,将需要在网元侧修改 的数据下发至相应网元。 c24. 在配置层在新的位置上创建单元盘,将需要在网元侧修改的数 据下发至相应网元。
c25. 在配置层在新创建的单元盘上创建保护子网在配置层的数据, 将需要在网元侧修改的数据下发至相应网元。
c26. 在配置层在新创建的单元盘上创建交叉连接,将需要在网元侧 修改的数据下发至相应网元。
c27. 在网络层根据迁移后的单元盘, 修改电路和保护子网, 结束流 程。
该方法所述光网絡改造如果是单元盘类型更改, 则步骤 c )具体包 括以下步骤:
c31. 在配置层删除与要更改类型的单元盘有关的交叉连接,将需要 在网元侧修改的数据下发至相应网元。
c32. 在配置层删除与要更改类型的单元盘有关的保护子网在配置 层的数据, 将需要在网元侧修改的数据下发至相应网元。
c33. 在配置层删除要更改类型的单元盘,将需要在网元侧修改的数 据下发至相应网元。
c34. 在配置层创建更改成的类型的单元盘,将需要在网元侧修改的 数据下发至相应网元。
c35. 在配置层在新创建的单元盘上创建保护子网在配置层的数据, 将需要在网元侧修改的数据下发至相应网元。
c36. 在配置层在新创建的单元盘上创建交叉连接,将需要在网元侧 修改的数据下发至相应网元。
c37. 在网络层根据修改后的单元盘, 修改相关电路和保护子网, 结 束流程。
该方法所述光网絡改造如果是保护子网增删网元, 则步骤 c )具体 包括以下步驟:
c41. 在网络层修改光纤连接。
c42. 在配置层修改保护子网在配置层的数据,将需要在网元侧修改 的数据下发至相应网元。
c43. 在配置层修改相关的电路,在新增节点上在配置层创建交叉连 接, 将需要在网元侧修改的数据下发至相应网元。
c44. 判断当前保护子网是否为复用段环, 若是复用段环, 则调整复 用段环的节点 ID, 进入步骤 c45, 否则, 直接进入步骤 c45。
c45. 判断当前保护子网是否为复用段环, 若为复用段环, 则启动复 用段协议, 结束流程; 否则, 直接结束流程。
该方法所述的光网络改造的相关物理信息包括: 光网络改造前后的 网元标识、 或单元盘标识、 或端口标识、 或光纤标识、 或以上四种标识 的组合。
该方法所述网管将光网络改造的网元侧数据下发至网元后进一步 包括: 网元在所述光网络改造操作完成后将数据一次性下发到自身单元 盘。
从上面所述可以看出, 本发明方案通过具有电路功能的网管根据用 户输入的光网络改造所需物理信息, 自动完成光网络改造的数据计算和 数据修改, 并将需要在网元侧修改的数据下发至相应网元, 从而完成光 网络改造。 筒化了光网络改造过程的人工操作, 降低了对网络维护工程 师的素质要求, 同时充分利用了网管的信息和资源优势, 由于光网络改 造数据的计算、 修改和下发都由网管进行, 从而提高了光网絡改造的可 靠性, 缩短了光网絡改造的时间。
并进一步在光网络改造过程中对网络层和配置层数据分别进行修 改, 从而使得在改造操作中所影响的网元和数据最少, 可以有效减小操 作风险。 并在数据修改过程中, 若产生错误, 网管自动执行逆向操作, 使数据恢复到改造以前的原来状态, 保证改造数据正确性, 进一步提高 了光网络改造的可靠性。
总之, 本发明方案可以筒便可靠地实现如: 新增扩展子架、 单元盘 位置迁移、 单元盘类型更改、 保护子网增删网元等光网络改造操作, 在 尽量不中断业务的前提下, 由网管自动实现光网络改造, 提高了效率, 降低了网络改造的风险。 附图简要说明
图 1为本发明新增扩展子架流程示意图;
图 2为新增扩展子架过程中物理信息输入流程示意图;
图 3为新增扩展子架过程中进行数据修改的流程示意图; 图 4为本发明单元盘位置迁移流程示意图;
图 5为单元盘位置迁移过程中物理信息输入流程示意图; 图 6为单元盘位置迁移过程中进行数据修改的流程示意图; 图 7为本发明单元盘类型更改流程示意图;
图 8为单元盘类型更改过程中物理信息输入流程示意图; 图 9为单元盘类型更改过程中进行数据修改的流程示意图; 图 10为本发明保护子网中增删网元流程示意图
图 11为保护子网中增删网元过程中物理信息输入流程示意图; 图 12为保护子网中增删网元过程中进行数据修改的流程示意图。 实施本发明的方式
下面结合附图和具体实施例对本发明作进一步详细说明: 本发明方案是在完成了光网络的硬件改造后, 在网管侧由用户选择 当前光网络改造所做操作后, 输入如: 改造前后的网元标识、 单元盘标 识、 端口标识、 光纤标识等当前光网络改造的相关物理信息, 具有电路 功能的网管, 如: EMS 或网络管理系统(NMS, Network Management System )根据用户选择的光网络改造相关物理信息, 并根据自身保存的 网络相关数据, 完成光网络改造所需的业务计算, 得到网管侧和网元侧 光网络改造所需数据, 然后, 再由网管将改造过程细化成若干小步骤, 逐一完成光网络改造相关数据的修改, 从而完成光网络改造。
另外, 为了使在光网络改造操作中所影响的网元和数据最少, 采用 配置层和网絡层数据分别修改的策略, 即网络层的保护子网、 光纤、 路 径, 与配置层的保护类型、 业务等数据分开进行修改, 这样, 修改网络 层数据时, 不影响网元上的数据, 而修改配置层数据时最多只影响到两 个网元, 从而可以有效减小操作风险。
下面, 对光网络扩容改造中的新增扩展子架、 单元盘位置的迁移、 单元盘类型的更改以及保护子网中增删网元的过程进行进一步详细说 明。
对于新增扩展子架的操作过程:
原网络在某处上下支路的能力不足的情况下, 一般通过新增子架的 方式来扩展支路的上下能力, 需要将原来主子架上的单板迁移到扩展子 架上。 在进行扩容时, 在主子架和扩展子架之间创建光纤和无保护链, 原主子架上的业务经主子架穿通, 在扩展子架的支路板上下。
参见图 1所示, 新增扩展子架的具体步骤如下:
步骤 101 , 输入新增扩展子架相关物理信息。
本步驟中为使用户操作更加筒便, 可采用向导的方式提示用户一步 步的输入新增扩展子架所需物理信息, 具体流程参见图 2所示:
步骤 101a, 输入需要改造的主子架所在网元。 步棟 101b, 输入主子架上需要迁移的支路盘。
步骤 101c, 输入主子架上连接光纤的线路盘。
步骤 101d, 输入扩展子架所在网元。
步驟 101e, 输入扩展子架上连接光纤的线路盘。
步骤 101f, 输入扩展子架上所要迁移到的支路盘。
步骤 101g, 设定位置迁移前后支路盘的端口对应关系。
步骤 102, 网管对输入信息进行分析, 判断所输入的信息是否合法, 若不合法, 则退出, 结束流程; 若合法, 则进入步骤 103。
步骤 103 , 网管根据输入的信息, 并根据网管数据库中保存的配置 层和网络层相关数据, 进行新增扩展子架所需的计算, 确定出新增扩展 子架需修改的配置层和网络层数据。
其中, 本步骤所述计算是由网管根据输入的物理信息, 并综合考虑 网络当前状态, 及配置层和网络层相关数据计算得到当前光网络改造所 需修改更新的网络层和配置层数据。
步骤 104, 网管在网管侧分别对网络层和配置层的数据进行修改, 并在配置层数据修改完成后, 立刻将需要在网元侧修改的配置层数据下 发至相应网元。
其中, 本步骤具体包括以下步骤, 参见图 3所示:
步骤 104a, 在配置层删除主子架上与要迁移支路盘有关的交叉连 接, 将需要在网元侧修改的数据下发至相应网元。
步骤 104b, 在配置层删除主子架要迁移的支路盘, 将需要在网元侧 修改的数据下发至相应网元。
步骤 104c, 在配置层创建主子架上需连接光纤的线路盘, 将需要在 网元侧修改的数据下发至相应网元。
步骤 104d, 在配置层创建扩展子架上需连接光纤的线路盘, 将需要 在网元侧修改的数据下发至相应网元。
步骤 104e, 在配置层创建扩展子架上支路盘, 将主子架的支路盘迁 移至此, 将需要在网元侧修改的数据下发至相应网元。
步骤 104f,在网络层创建主子架和扩展子架之间的光纤和无保护链。 步骤 104g,在配置层创建主子架和扩展子架上与迁移支路盘有关的 交叉连接, 将需要在网元侧修改的数据下发至相应网元。
步骤 104h, 在网络层修改相关的电路。
在步驟 104的以上步骤中, 网管事先对光网絡改造以前的当前数据 进行保存, 网管每执行完成一个小步骤, 都判断修改是否成功, 如果需 要下发网元, 还要等待网元的反馈消息, 并判断网元返回的是否是成功 消息。 如果修改成功, 则将当前数据进行保存, 进入下一步, 否则, 执 行回滚操作, 即逆向执行已完成的修改过程, 使数据恢复至数据修改以 前的状态, 并提示出错信息。 如果回滚过程中出现错误失败, 则立即停 止回滚操作, 并显示所保存的光网络改造之前的数据信息, 以便用户进 行处理。
对于单元盘位置迁移的操作:
在扩容工程中, 有时会需要将一块单元盘从一个槽位移到其它槽位 上, 此时用户只需要指定该单元盘迁移的目的槽位的相关物理信息, 网 管系统将自动完成电路、 保护子网等相关网管数据的变化, 并将相应数 据下发网元。
参见图 4所示, 单元盘位置迁移的具体步骤如下:
步驟 401 , 输入单元盘位置迁移相关物理信息。
本步骤中为使用户操作更加简便, 可采用向导的方式提示用户一步 步的输入单元盘位置迁移所需物理信息, 具体流程参见图 5所示:
步骤 401a, 输入需要改造的网元。 步驟 401b, 输入需要迁移位置的单元盘。
步骤 401c, 输入迁移后单元盘的位置。
步骤 401d, 设定位置迁移前后单元盘的端口对应关系。
步骤 402, 网管对输入信息进行分析, 判断输入信息是否合法, 若 不合法, 则退出, 结束流程; 若合法, 则进入下面步驟。
步骤 403 , 网管根据输入的信息, 并根据网管数据库中保存的配置 层和网络层相关数据, 进行单元盘位置迁移所需的计算, 确定出单元盘 位置迁移需修改的配置层和网络层数据。
其中, 本步骤所述计算是由网管根据输入的物理信息, 并综合考虑 网络当前状态, 及配置层和网络层相关数据计算得到当前光网络改造所 需修改更新的网络层和配置层数据。
步骤 404, 网管在网管侧分别对网络层和配置层的数据进行修改, 并在配置层数据修改完成后, 立刻将需要在网元侧修改的配置层数据下 发至相应网元。 '
其中, 本步骤具体包括以下步骤, 参见图 6所示:
步骤 404a: 在配置层删除与要迁移的单元盘有关的交叉连接, 将需 要在网元侧修改的数据下发至相应网元。
步骤 404b: 在配置层删除与要迁移的单元盘有关的保护子网, 将需 要在网元侧修改的数据下发至相应网元。
步驟 404c: 在配置层删除要进行位置迁移的单元盘, 将需要在网元 侧修改的数据下发至相应网元。
步骤 404d: 在配置层在新的位置上创建单元盘, 将需要在网元侧修 改的数据下发至相应网元。
步骤 404e: 在配置层在新创建的单元盘上创建保护子网, 将需要在 网元侧修改的数据下发至相应网元。 步驟 404f: 在配置层在新创建的单元盘上创建交叉连接, 将需要在 网元侧修改的数据下发至相应网元。
步錄 404g: 在网络层根据迁移后的单元盘, 修改电路和保护子网。 在步骤 404的以上步骤中, 网管事先对光网络改造以前的当前数据 进行保存, 网管每执行完成一个小步骤, 都判断修改是否成功, 如果需 要下发网元, 还要等待网元的反馈消息, 并判断网元返回的是否是成功 消息。 如果修改成功, 则将当前数据进行保存, 进入下一步, 否则, 执 行回滚操作, 即逆向执行已完成的修改过程, 使数据恢复至数据修改以 前的状态, 并提示出错信息。 如果回滚过程中出现错误失败, 则立即停 止回滚操作, 并显示所保存的光网络改造之前的数据信息, 以便用户进 行处理。
对于单元盘类型更改的操作:
在系统功能进行扩展的基础上, 用户可以选择使用端口数目较多, 系统容量较大的单元盘替换原有的单元盘, 此时用户只需要选择需要变 动的单元盘和需要变成的单元盘类型, 系统自动完成电路、 保护子网相 关网络数据的变化, 单元盘类型具体包括支路盘和线路盘等。
参见图 7所示, 单元盘类型更改具体步骤如下:
步骤 701, 输入单元盘类型更改所需的物理信息。
本步骤中为使用户操作更加筒便, 可采用向导的方式提示.用户一步 步的输入单元盘类型更改所需物理信息, 具体流程参见图 8所示: 步骤 701a, 输入需要改造的网元。
步驟 701b, 输入需要更改类型的单元盘。
步骤 701c, 输入更改后的单元盘类型。
步骤 701d, 设定更改前后单元盘的端口对应关系。
步骤 702, 网管对输入信息进行分析, 判断输入信息是否合法, 若 不合法, 则退出, 结束流程; 若合法, 则进入下面步骤。
步橡 703 , 网管根据输入的信息, 并根据数据库保存的配置层和网 络层数据, 进行单元盘类型更改所需的计算, 确定出单元盘类型更改需 修改的配置层和网络层数据。
其中, 本步骤所述计算是由网管根据输入的物理信息, 并综合考虑 网络当前状态, 及配置层和网絡层相关数据计算得到当前光网络改造所 需修改更新的网络层和配置层数据。
步骤 704, 网管在网管侧分别对网络层和配置层的数据进行修改, 并在配置层数据修改完成后, 立刻将需要在网元侧修改的配置层数据下 发至相应网元。
其中, 本步骤具体包括以下步骤, 参见图 9所示:
步骤 704a, 在配置层删除与要更改类型的单元盘有关的交叉连接, 将需要在网元侧修改的数据下发至相应网元。
步骤 704b,在配置层删除与要更改类型的单元盘有关的保护子网在 配置层的数据, 并将需要在网元侧修改的数据下发至相应网元。
步骤 704c, 在配置层删除要更改类型的单元盘, 将需要在网元侧修 改的数据下发至相应网元。
步骤 704d, 在配置层创建更改成的类型的单元盘, 将需要在网元侧 修改的数据下发至相应网元。
步骤 704e,在配置层在新创建的单元盘上创建保护子网在配置层的 数据 , 并将需要在网元侧修改的数据下发至相应网元。
步骤 704f, 在配置层在新创建的单元盘上创建交叉连接, 将需要在 网元侧 "改的数据下发至相应网元。 '
步骤 704g, 在网络层根据修改后的单元盘, 修改电路和保护子网。 在步骤 704的以上步驟中, 网管事先对光网络改造以前的当前数据 进行保存, 网管每执行完成一个小步骤, 都判断修改是否成功, 如果需 要下发网元, 还要等待网元的反馈消息, 并判断网元返回的是否是成功 消息。 如果修改成功, 则将当前数据进行保存, 进入下一步, 否则, 执 行回滚操作, 即逆向执行已完成的修改过程, 使数据恢复至数据修改以 前的状态, 并提示出错信息。 如果回滚过程中出现错误失败, 则立即停 止回滚操作, 并显示所保存的光网络改造之前的数据信息, 以便用户进 行处理。
对于保护子网中增加、 删除网元的操作:
对于通道保护环和子网连接(SNC )保护, 在增加节点, 断开光纤 时, 通过本发明将该光纤上的工作业务会自动倒换到保护通道上, 增建 节点并恢复光纤连接, 直接配置业务穿通, 保证原有业务不中断并恢复 回工作通道上。 对于复用段环或线性复用段链, 在增加节点, 断开光纤 时, 通过本发明自动生成穿通业务, 而复用段环会发生倒换, 保证环路 在加点过程中, 业务不中断。 在扩容完成后, 网络自动从倒换状态恢复 回工作状态, 保证复用段的正常工作。
参见图 10所示, 保护子网中增加、 删除网元的具体步骤如下: 步骤 1001, 输入保护子网中增加、 删除网元相关物理信息。
本步骤中为使用户操作更加简便, 可采用向导的方式提示用户一步 步的输入保护子网中增加、 删除网元所需物理信息, 具体流程参见图 11 所示:
步驟 1001a, 输入拆除的光纤。
步骤 1001b, 对于有复用段环的光网络, 用户需先检查协议状态, 如果正在运行复用段协议, 则输入当前处在复用段环状态, 如果复用段 协议没有运行, 则直接进入下一步。
步骤 1001c, 输入需要添加的网元。 步骤 lOOld, 输入建立新的光纤连接。
步骤 lOOle, 输入新添网元的业务穿通策略。
步驟 1002, 网管对输入信息进行分析, 判断输入信息是否合法, 若 不合法, 则退出, 结束流程; 若合法, 则进入下面步骤。
步骤 1003, 网管根据输入的信息, 并根据网管数据库中保存的配置 层和网络层数据, 进行保护子网增删网元所需的计算, 确定出保护子网 增删网元需修改的配置层和网络层数据。
其中, 本步骤所述计算是由网管根据输入的物理信息, 并综合考虑 网络当前状态, 及配置层和网络层相关数据计算得到当前光网络改造所 需修改更新的网络层和配置层数据。
步骤 1004, 网管在网管侧分别对网络层和配置层的数据进行修改, 并在配置层数据修改完成后 , 立刻将需要在网元侧修改的配置层数据下 发至相应网元。
其中, 以添加网元过程为例本步骤中具体包括以下细化步骤, 参见 图 12所示:
步骤 1004a: 在网络层修改光纤连接。
步骤 1004b: 在配置层修改保护子网在配置层的数据, 主要包括在 保护子网中添加节点, 将需要在网元侧修改的数据下发至相应网元。
步骤 1004c: 在配置层修改相关的电路, 在新增节点上创建交叉连 接, 将需要在网元侧修改的数据下发至相应网元。
步骤 1004d: 判断保护子网是否为复用段环, 若为复用段, 则调整 复用段环的节点 ID,进入步骤 1004e;若非复用段,直接进入步驟 1004e。
步骤 1004e: 判断保护子网是否为复用段环, 若为复用段环, 则启 动复用段协议, 结束流程; 若非复用段, 则结束流程。
在步驟 1004 的以上步骤中, 网管事先对光网络改造以前的当前数 据进行保存, 网管每执行完成一个小步骤, 都判断修改是否成功, 如果 需要下发网元, 还要等待网元的反馈消息, 并判断网元返回的是否是成 功消息。 如果修改成功, 则将当前数据进行保存, 进入下一步, 否则, 执行回滚操作, 即逆向执行已完成的修改过程, 使数据恢复至数据修改 以前的状态, 并提示出错信息。 如果回滚过程中出现错误失败, 则立即 停止回滚操作, 并显示所保存的光网络改造之前的数据信息, 以便用户 进行处理。
另外, 在上面所述网络扩容改造网管执行操作和回滚的过程中, 还 可以由网管实时显示当前修改的内容和进度, 从而使得操作过程更为直 观。
网管自动完成数据的修改并下发网元后, 网元的控制软件只接收配 置层数据, 但不下发到单元盘, 在操作结束后由网元的控制软件将数据 一次性下发到单元盘, 这样可以保证对业务的影响最小。
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。

Claims

权利要求书
1、 一种实现光网络改造的方法, 其特征在于, 包括以下步骤: a )输入光网絡改造所需的物理信息;
b ) 网管根据输入的所有物理信息和自身保存的网络相关数据, 计 算当前光网络改造实际所需的数据;
c ) 网管根据计算得到的数据在网管侧进行数据修改, 并将步驟 b ) 得到的光网络改造的网元侧数据下发至网元。
2、根据权利要求 1所述方法,其特征在于, 步骤 b )前进一步包括: bl )网管判断所输入的物理信息是否合法, 如果是, 则进入下一步, 否则, 结束当前数据修改流程。
3、 根据权利要求 1所述方法, 其特征在于, 所述步骤 c ) 中网管对 光网络改造的网络层和配置层数据分别进行修改, 并在网管侧配置层数 据修改完成后, 立即将网元侧修改所需配置层数据下发至相应网元。
4、 根据权利要求 1所述方法, 其特征在于, 步骤 c ) 中所述修改是 将数据修改过程划分为一个以上小步骤, 每个小步驟执行一个数据的修 改。
5、根据权利要求 4所述方法, 其特征在于, 步骤 c )中进一步包括: 网管在数据修改过程中, 每进行完一个小步骤的数据修改都判断该步修 改是否成功, 如果成功, 则保存当前状态数据, 继续进行后面步骤的数 据修改, 否则, 从当前状态开始逆向恢复各步骤已修改的数据, 回滚至 才广容前的状态。
6、 根据权利要求 5 所述方法, 其特征在于, 网管在进行光网络改 造以前保存当前所有数据, 如果所述逆向操作过程失败, 则结束当前数 据修改流程, 并显示所保存的该光网络改造之前的数据。
7、 根据权利要求 1 所述方法, 其特征在于, 如果所述光网络改造 是新增扩展子架, 则步骤 c )具体包括以下步骤:
cl l.在配置层删除主子架上与要迁移支路盘有关的交叉连接,将需 要在网元侧修改的数据下发至相应网元;
cl2. 在配置层删除主子架上要迁移的支路盘,将需要在网元侧修改 的数据下发至相应网元;
cl3. 在配置层创建主子架上需连接光纤的线路盘,将需要在网元侧 修改的数据下发至相应网元;
cl4. 在配置层创建扩展子架上需连接光纤的线路盘,将需要在网元 侧修改的数据下发至相应网元;
cl5. 在配置层创建扩展子架上支路盘, 主子架的支路盘迁移至此, 将需要在网元侧修改的数据下发至相应网元;
cl6. 在网络层创建主子架和扩展子架之间的光纤和无保护链; cl7. 在配置层创建主子架和扩展子架上与迁移支路盘有关的交叉 连接, 将需要在网元侧修改的数据下发至相应网元;
cl8. 在网络层修改相关的电路, 结束流程。 '
8、 根据权利要求 1 所述方法, 其特征在于, 如果所述光网络改造 是单元盘位置迁移, 步骤 c )具体包括以下步骤:
c21. 在配置层删除与要迁移的单元盘有关的交叉连接,将需要在网 元侧修改的数据下发至相应网元;
c22. 在配置层删除与要迁移的单元盘有关的保护子网在配置层的 数据, 将需要在网元侧修改的数据下发至相应网元;
c23. 在配置层删除要进行位置迁移的单元盘,将需要在网元侧修改 的数据下发至相应网元;
c24. 在配置层在新的位置上创建单元盘,将需要在网元侧修改的数 据下发至相应网元;
c25. 在配置层在新创建的单元盘上创建保护子网在配置层的数据, 将需要在网元侧修改的数据下发至相应网元, 将需要在网元侧修改的数 据下发至相应网元;
c26. 在配置层在新创建的单元盘上创建交叉连接,将需要在网元侧 修改的数据下发至相应网元;
c27. 在网络层根据迁移后的单元盘, 修改电路和保护子网, 结束流 程。
9、 根据权利要求 1 所述方法, 其特征在于, 所述光网络改造如果 是单元盘类型更改, 则步骤 c )具体包括以下步骤:
c31. 在配置层删除与要更改类型的单元盘有关的交叉连接,将需要 在网元侧修改的数据下发至相应网元;
c32. 在配置层删除与要更改类型的单元盘有关的保护子网在配置 层的数据, 将需要在网元侧修改的数据下发至相应网元;
c33. 在配置层删除要更改类型的单元盘,将需要在网元侧修改的数 据下发至相应网元;
c34. 在配置层创建更改成的类型的单元盘,将需要在网元侧修改的 数据下发至相应网元;
c35. 在配置层在新创建的单元盘上创建保护子网在配置层的数据, 将需要在网元侧修改的数据下发至相应网元;
c36. 在配置层在新创建的单元盘上创建交叉连接,将需要在网元侧 修改的数据下发至相应网元;
c37. 在网络层根据修改后的单元盘, 修改相关电路和保护子网, 结 束流程。
10、 根据权利要求 1所述方法, 其特征在于, 所述光网络改造如果 是保护子网增删网元, 则步骤 C )具体包括以下步骤: c41. 在网絡层修改光纤连接;
c42. 在配置层修改保护子网在配置层的数据,将需要在网元侧修改 的数据下发至相应网元;
c43. 在配置层修改相关的电路,在新增节点上在配置层创建交叉连 接, 将需要在网元侧修改的数据下发至相应网元;
c44. 判断当前保护子 >网是否为复用段环, 若是复用段环, 则调整复 用段环的节点 ID, 进入步骤 c45, 否则, 直接进入步骤 c45;
c45. 判断当前保护子网是否为复用段环, 若为复用段环, 则启动复 用段协议, 结束流程; 否则, 直接结束流程。
11、 根据权利要求 1所述方法, 其特征在于, 所述的光网络改造的 相关物理信息包括: 光网络改造前后的网元标识、 或单元盘标识、 或端 口标识、 或光纤标识、 或以上四种标识的组合。
12、 才艮据权利要求 1所述方法, 其特征在于, 所述网管将光网络改 造的网元侧数据下发至网元后进一步包括: 网元在所述光网络改造操作 完成后将数据一次性下发到自身单元盘。
PCT/CN2003/000974 2002-11-17 2003-11-17 Procede de realisation de la reconstruction d'un reseau optique WO2004047363A1 (fr)

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