CN101145955A - Method for hot backup of network management software, network management and network management system - Google Patents

Abstract

The invention discloses a method for hot backup of network management software, a network management system and a network management system. The connection between the standby network management backups the data in the main network management database/memory; the second synchronization step, the standby network management uses the connection between the main and standby network management to receive the message that causes data changes in the main network management, and backs up the information of the main network management through the message Data changes. The invention greatly reduces the cost of network management dual-computer hot backup, and is simple to realize, and does not need any additional configuration, and is easy to operate. After the backup network management is synchronized with the main network management, it can immediately replace the work of the main network management without restarting.

Description

Method for hot backup of network management software, network management and network management system

technical field

The invention relates to telecommunication network management technology, in particular to a network management software hot backup method, network management and network management system.

Background technique

Telecom network management software (hereinafter referred to as network management) is the control center and data center of the communication network. Due to its important position in management, higher and higher requirements are put forward for its reliability. At present, its reliability is mainly guaranteed through backup.

In terms of the scale of backup, there are single-machine backup, dual-machine backup and remote dual-machine backup; in terms of data backup methods, there are disk mirroring, disk array, third-party backup software and database backup software; in terms of the readiness of the backup operating system Generally speaking, there are cold backup, warm backup and hot backup.

For network management with high reliability requirements, the backup solution with the best availability is dual-machine hot backup.

The so-called dual-machine hot backup means that during the operation of the system, there are two machines loaded with exactly the same system and data, and at the same time, they are kept in sync through communication cables. The currently working machine is called the master machine, and the other machine is called the master machine. as a backup machine.

The standby machine continuously detects the status of the main machine, and when the standby machine detects a physical abnormality of the main machine or receives an active switch command, it will switch between the main machine and the standby machine. For dual-machine backup technology, the focus and difficulty lies in how to realize real-time data synchronization.

In the prior art, real-time data is realized by using third-party software, but this solution has the problem that the third-party software is complicated to operate and difficult to maintain.

In order to solve the problem of complex operation and difficult maintenance of third-party software, an abstract management layer is added between the network management and the operating system in the existing technology, that is, a software module dedicated to the master and backup is added under the network management, so that the network management Compatible with various third-party backup software.

The above solution solves the problem that third-party software is complicated to operate and difficult to maintain, however, its use cost is very high.

Therefore, it is necessary to develop a low-cost, wide-applicability, and easy-to-use and maintain method for realizing active and standby network management. Since the existing system usually does not consider the dual-machine hot backup solution, if the system is completely redesigned, the cost will increase significantly and the development cycle will become longer. Therefore, only the existing network management system should be considered to be transformed and realized by its own software.

Contents of the invention

The purpose of the present invention is to provide a method for hot backup of network management software, a network management system and a network management system to realize hot backup of network management software with low cost, wide applicability and easy maintenance.

In order to achieve the above object, the present invention provides a method for network management software hot backup, including:

The initial step is to establish a connection between the active and standby network management after the active and standby network management is started;

In the first synchronization step, the standby network management backs up the data in the main network management database/memory through the connection between the main and standby network management;

In the second synchronization step, the backup network manager uses the connection between the master and backup network managers to receive the message of data change in the master network manager, and backs up the data change of the master network manager through the message.

The above method, wherein the first synchronization step includes:

The main network manager exports data from the database or memory;

The main network management sends the exported data to the standby network management through the connection between the main and standby network management;

The backup NMS will export the data and import it into the database, and load it into the memory.

The above method, wherein the second synchronization step includes:

The main network manager captures the messages that cause data changes;

The master network manager sends the message to the backup network manager through the connection between the master and backup network managers;

The backup network manager executes the received message.

In the above method, the connection between the active and standby network managers is established in a Corba manner.

In the above-mentioned method, wherein, the exported data and the message are sent to the backup network manager through a file transfer protocol.

In order to better achieve the above object, the present invention also provides a main network manager, including a message distribution module and a network management module, wherein it also includes a message capture module, a data export module and a master-standby synchronization module, wherein:

The message capture module is used to capture the message causing data change;

The data export module is used to export data from a database or memory;

The master-standby synchronization module is configured to establish a connection with the backup network manager, and send the exported data and the message causing the data change to the backup network manager through the connection.

In order to better achieve the above object, the present invention also provides a backup network management, including a message distribution module and a network management module, wherein it also includes a master-standby synchronization module and a data import module, wherein:

The master-standby synchronization module is used to establish a connection with the master network manager, and receive the exported data and the message causing the data change sent by the master network manager through the connection;

The data import module is used to import the exported data into the database and load it into the memory at the same time;

The message distribution module is configured to distribute the message causing the data change to the network management module;

The network management module is configured to execute the message causing data change.

In order to better achieve the above object, the present invention also provides a network management system, which includes a primary network manager and a backup network manager, the primary network manager includes a first message distribution module and a first network management module, and the backup network manager includes a second The message distribution module and the second network management module, wherein:

The main network management also includes a message capture module, a data export module, and a first active-standby synchronization module, and the standby network management also includes a second active-standby synchronization module and a data import module, wherein:

The message capture module is used to capture the message causing data change;

The data export module is used to export data from the main network management database or memory;

The first active-standby synchronization module is configured to establish a connection with the second active-standby synchronization module, and send the exported data and the message causing the data change to the second active-standby synchronization module through the connection;

The second active/standby synchronization module is configured to receive the exported data and the message causing the data change through the connection;

The data import module is used to import the exported data into the database of the standby network management system and load it into the memory at the same time;

The second message distribution module is configured to distribute the message causing the data change to the second network management module;

The second network management module is configured to execute the message causing data change.

In the above system, the connection between the master and backup synchronization modules is established in a Corba manner.

The above system, wherein, the exported data and the message are transmitted through a file transfer protocol.

The present invention has the following beneficial effects:

For the system that has been developed, only a partial transformation is needed to realize the hot backup function of the active and standby network management systems, that is, adding "message capture module", "data import module", "main-standby synchronization module", etc., so that the network management The cost of dual-machine hot backup is greatly reduced;

No need to do any additional configuration, easy to operate;

After the standby network management is synchronized with the main network management, it can replace the work of the main network management immediately without restarting.

Description of drawings

Fig. 1 is the schematic flow sheet of the method for network management software dual-computer hot backup of the present invention;

Fig. 2 is the concrete flow diagram of the first synchronous step;

Fig. 3 is the specific flow diagram of the second synchronization step;

FIG. 4 is a schematic diagram of the detailed structure of the network management system of the present invention.

Detailed ways

The invention adds several modules on the basis of the existing network management/network management system, and backs up the data and data changes of the main network management to the standby network management, so as to realize dual-computer hot backup.

The method for dual-computer hot backup of network management software of the present invention is as shown in Figure 1, comprises:

Initial step 11, after the active and standby network managements are started, a connection between the two network managements is established;

The first synchronization step 12, the standby network management backup data in the main network management database/memory;

The primary network manager exports data from the database/memory, and sends the exported data to the backup network manager through the established connection; the backup network manager imports the received data into the database and loads it into the memory.

In the second synchronization step 13, the backup network manager backs up the data changes of the main network manager;

The master network manager obtains the message causing the data change, and sends the message to the backup network manager through the established connection, and the backup network manager executes the received message.

Simultaneously, method of the present invention also includes:

In the active-standby switchover step, when the standby network manager detects that the primary network manager fails or receives an active switching command, the standby network manager takes over the primary network manager to perform management work.

Since the backup network management system is in the backup standby state, operations to change data are not allowed in the backup network management system, and only operations that do not change data, such as data query, can be performed.

Each step of the present invention will be further described in detail below.

In the initial step, after the full standby network management is started, the connection between the main and standby network management needs to be established. Connection.

As shown in Figure 2, the first synchronization step 12 of the method of the present invention specifically includes:

Step 121, export the data in the main network management; Since the data in the database in the network management system is consistent with the data in the memory, therefore, the data in the database or memory can be exported. In a specific embodiment of the present invention, the main network management is adopted The way to export the data in the database to a file.

Step 122, the data derived in the main network management is sent to the backup network management, in a specific embodiment of the present invention, the above-mentioned exported files are sent to the backup network management in the FTP (File Transfer Protocol, file transfer protocol) mode.

Step 123, the standby network manager imports the data files transmitted from the main network manager into the database, and at the same time, in order to take over the work of the main network manager in time when the main network manager breaks down or actively switches over, the backup network manager also loads the data in the database into the database. in memory.

As shown in Figure 3, the second synchronization step 13 of the method of the present invention specifically includes:

Step 131, the main network manager captures the message causing the data change;

Step 132, the master network manager sends the captured message causing data changes to the backup network manager through the established connection between the master and backup network managers;

Step 133, the backup network manager distributes the message after receiving the message causing the data change forwarded from the master network manager through the established connection between the master and backup network managers;

Step 134, the standby network management executes the message causing the data change, so as to achieve data synchronization between the standby network management and the main network management.

The network management system of the present invention is shown in FIG. 4 , and includes a main network manager 41 and a backup network manager 42 . The main network manager and the backup network manager will be further described in detail below.

As shown in Figure 4, the main network manager 41 includes:

The message distribution module 411 is used to send to the network management module after receiving the message or command;

A network management module 412, configured to perform management work according to received messages or commands;

A message capture module 413, configured to capture a message that causes data changes;

Data export module 414, is used for exporting data from the database of network management module or internal memory;

The master-standby synchronization module 415 is configured to establish a connection with the backup network manager, and send the exported data and the message causing the data change to the backup network manager.

The standby network management 42 includes:

The master-standby synchronization module 425 is configured to establish a connection with the master network manager, and receive the exported data sent by the master network manager and the message causing the data change;

The data import module 424 is used for importing the export data into the database of the network management module 422, and loads the memory simultaneously;

The message distribution module 421 is used for distributing the message causing the data change received by the master-standby synchronization module 424 to the network management module;

The network management module 422 is configured to execute messages that cause data changes.

Here, the connection between the active and standby synchronization modules 415 and 425 is established through the Corba method; of course, other methods can also be used to establish the connection.

The data export module exports the data in the database or memory of the network management module into files, and the master and backup synchronization modules send them by FTP. Of course, other methods can also be used to realize the file sending.

The above description is based on the description of the main network management and the standby network management separately, but ideally, they should be mutual backups, so the above-mentioned main network management/standby network management should include all modules in the standby network management/main network management.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. A method for network management software hot backup, characterized in that, comprising: The initial step is to establish a connection between the active and standby network management after the active and standby network management is started; In the first synchronization step, the standby network management backs up the data in the main network management database/memory through the connection between the main and standby network management; In the second synchronization step, the backup network manager uses the connection between the master and backup network managers to receive the message of data change in the master network manager, and backs up the data change of the master network manager through the message. 2. The method according to claim 1, wherein the first synchronizing step comprises: The main network manager exports data from the database or memory; The main network management sends the exported data to the standby network management through the connection between the main and standby network management; The backup NMS will export the data and import it into the database, and load it into the memory. 3. The method according to claim 1, wherein the second synchronization step comprises: The main network manager captures the messages that cause data changes; The master network manager sends the message to the backup network manager through the connection between the master and backup network managers; The backup network manager executes the received message. 4. The method according to claim 1, 2 or 3, characterized in that the connection between the active and standby network managers is established in a Corba manner. 5. The method according to claim 1, 2 or 3, characterized in that, the exported data and the message are sent to the standby network management system through a file transfer protocol. 6. A main network management, comprising a message distribution module and a network management module, is characterized in that, also includes a message capture module, a data export module and a master-standby synchronization module, wherein: The message capture module is used to capture the message causing data change; The data export module is used to export data from a database or memory; The master-standby synchronization module is configured to establish a connection with the backup network manager, and send the exported data and the message causing the data change to the backup network manager through the connection. 7. A backup network management system, comprising a message distribution module and a network management module, characterized in that it also includes a master-standby synchronization module and a data import module, wherein: The master-standby synchronization module is used to establish a connection with the master network manager, and receive the exported data and the message causing the data change sent by the master network manager through the connection; The data import module is used to import the exported data into the database and load it into the memory at the same time; The message distribution module is configured to distribute the message causing the data change to the network management module; The network management module is configured to execute the message causing data change. 8. A network management system, characterized in that it includes a main network management and a backup network management, the main network management includes a first message distribution module and a first network management module, and the backup network management includes a second message distribution module and a second network management module, It is characterized by: The main network management also includes a message capture module, a data export module and a first master-standby synchronization module, and the backup network management also includes a second master-standby synchronization module and a data import module; The message capture module is used to capture the message causing data change; The data export module is used to export data from the main network management database or memory; The first active-standby synchronization module is configured to establish a connection with the second active-standby synchronization module, and send the exported data and the message causing the data change to the second active-standby synchronization module through the connection; The second active/standby synchronization module is configured to receive the exported data and the message causing the data change through the connection; The data import module is used to import the exported data into the database of the standby network management system and load it into the memory at the same time; The second message distribution module is configured to distribute the message causing the data change to the second network management module; The second network management module is configured to execute the message causing data change. 9. The system according to claim 8, characterized in that the connection between the master and backup synchronization modules is established in a Corba manner. 10. The system according to claim 8, wherein the exported data and the message are transmitted through a file transfer protocol.

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