CN106330517B - Tunnel adjusting method and device - Google Patents

Abstract

The present invention provides a method and device for adjusting a tunnel, wherein the method includes: when the network topology changes, obtaining the first type of tunnel before the network topology changes and the second type after the network topology changes. type tunnel; determine multiple tunnels to be migrated according to the change information of the second type tunnel relative to the first type tunnel; deliver the migration information of the multiple tunnels to each device through which the multiple tunnels pass. The invention solves the problem in the related art that the time and labor consumption cannot meet the progress requirements of the engineering network transformation by simply relying on the adjustment of a single tunnel modification function one by one, thereby greatly shortening the time for manual calculation of tunnel routing and tunnel configuration, and improving the The efficiency of network maintenance realizes the automation of batch configuration and batch distribution.

Description

Tunnel adjustment method and device

technical field

The present invention relates to the field of communications, and in particular, to a method and device for adjusting a tunnel.

Background technique

In related technologies, after the network topology changes, the tunnels must be reconfigured accordingly. In the case of a huge number of tunnels on the existing network, the time and labor consumption cannot meet the needs of the engineering network transformation by simply relying on the modification function of a single tunnel to adjust one by one. Therefore, the network management needs to provide some automatic functions for batch modification.

However, there is no effective solution provided in the related art for the above problem.

SUMMARY OF THE INVENTION

The present invention provides a method and device for adjusting a tunnel, so as to at least solve the problem in the related art that the time and manpower consumption cannot meet the progress requirement of the engineering network transformation by simply relying on the adjustment of a single tunnel modification function one by one.

According to an aspect of the present invention, a method for adjusting a tunnel is provided, comprising: when a network topology changes, acquiring a first type of tunnel before the network topology changes and a tunnel after the network topology changes. Type II tunnels; determine multiple tunnels that need to be migrated according to the change information of the second type tunnels relative to the first type tunnels; deliver the migration information of the multiple tunnels to the tunnels through which the multiple tunnels pass Each device of the , wherein the migration information is the information required by the various devices when performing tunnel reconfiguration.

Optionally, the migration information at least includes: a communication protocol used in the reconfiguration process.

Optionally, before delivering the migration information of the multiple tunnels to each device that the multiple tunnels pass through, the process includes: delivering the migration information to a database; Migration information used when the tunnel is reconfigured.

Optionally, the communication protocol includes at least one of the following: an operation management system (Operation And Management, OAM) protocol, a quality of service (Quality of Service, QOS) protocol, and a network technology project (Technologe Network Program, TNP) protocol.

Optionally, after delivering the migration information of the multiple tunnels to each device through which the multiple tunnels pass, the method further includes: when the respective devices fail to perform the tunnel reconfiguration, outputting and displaying the information for instructing to perform the tunnel reconfiguration. Indication of tunnel failure.

Optionally, before determining a plurality of tunnels to be migrated according to the change information of the second type of tunnels relative to the first type of tunnels, the method includes: acquiring configuration information of the first type of tunnels, wherein the configuration information at least It includes: routing information and protection information; determining the route and the shortest idle route of the second type of tunnel, and outputting the migration information according to the route and the shortest idle route.

According to another aspect of the present invention, an apparatus for adjusting a tunnel is provided, comprising: an obtaining module, configured to obtain the first type of tunnel and the network before the change of the network topology when the network topology changes. The second type of tunnel after the topology structure has changed; the determining module is used to determine the multiple tunnels to be migrated according to the change information of the second type tunnel relative to the first type tunnel; the first issuing module is used for The migration information of the multiple tunnels is delivered to each device through which the multiple tunnels pass, wherein the migration information is information required by the various devices when performing tunnel reconfiguration.

Optionally, the migration information at least includes: a communication protocol used in the reconfiguration process.

Optionally, the device further includes: a second issuing module, configured to issue the migration information to a database; and a first acquiring module, configured to acquire from the database the information about the current tunnel reconfiguration. Migration information to use.

Optionally, the communication protocol includes at least one of the following: an operation management system OAM protocol, a quality of service QOS protocol, and a network technology project TNP protocol.

Optionally, the apparatus further includes: a display module, configured to output and display indication information for indicating that the tunnel fails when the respective devices fail to perform the tunnel reconfiguration.

Optionally, the apparatus further includes: a second obtaining module, configured to obtain configuration information of the first type of tunnel, wherein the configuration information at least includes: routing information and protection information; and an output module, configured to determine the For the route and the shortest idle route of the second type of tunnel, the migration information is output according to the route and the shortest idle route.

Through the present invention, when the network topology changes, the first type of tunnels before the network topology changes and the second type of tunnels after the network topology changes are obtained; The change information of the tunnel determines the multiple tunnels that need to be migrated; the migration information of the multiple tunnels is delivered to each device that the multiple tunnels pass through, which solves the problem of the related art simply relying on a single tunnel modification function to adjust one by one. The problem is that neither the labor consumption nor the labor consumption can meet the progress requirements of the engineering network transformation, thereby greatly shortening the time for manual calculation of tunnel routing and tunnel configuration, improving the efficiency of network maintenance, and realizing the automation of batch modification and batch distribution.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Fig. 1 is the adjustment flow chart of the tunnel according to the embodiment of the present invention;

2 is a structural block diagram of an apparatus for adjusting a tunnel according to an embodiment of the present invention;

3 is a structural block diagram (1) of an apparatus for adjusting a tunnel according to an embodiment of the present invention;

4 is a structural block diagram (2) of an apparatus for adjusting a tunnel according to an embodiment of the present invention;

5 is a structural block diagram (3) of a device for adjusting a tunnel according to an embodiment of the present invention;

6 is a schematic diagram of a tunnel adaptive adjustment method under network transitions in the related art;

FIG. 7 is a schematic diagram of adjustment of a tunnel according to an embodiment of the present invention;

8 is an adjustment frame diagram of a tunnel according to an embodiment of the present invention;

FIG. 9 is a flow chart (1) of adjusting a tunnel according to an embodiment of the present invention;

FIG. 10 is a flowchart (2) of tunnel adjustment according to an embodiment of the present invention.

Detailed ways

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in conjunction with embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence.

A method for adjusting a tunnel is provided in this embodiment. FIG. 1 is a flowchart of adjusting a tunnel according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:

Step S102, when the network topology changes, obtain the first type of tunnel before the network topology changes and the second type of tunnels after the network topology changes;

Step S104, determining a plurality of tunnels to be migrated according to the change information of the second type of tunnel relative to the first type of tunnel;

Step S106, delivering the migration information of the multiple tunnels to each device through which the multiple tunnels pass, where the migration information is information required by each device when performing tunnel reconfiguration.

Through the above steps, the first type of tunnels and the second type of tunnels before and after the change of the network topology are obtained, the multiple tunnels to be migrated are determined, and the migration information of the multiple tunnels is delivered to each device through which the multiple tunnels pass, so as to realize After the network topology changes, the tunnels are reconfigured in batches and delivered in batches. Compared with related technologies, the process of manually checking the topology that needs to be changed during network transition, manually analyzing the tunnels carried on the topology, analyzing the routes available after the transition of the tunnels, and then reconfiguring the tunnels, and finally modifying each device that the tunnel passes through is the process of the above. The steps solve the problem in the related art that the time and labor consumption cannot meet the progress requirements of the engineering network transformation by simply relying on the adjustment of a single tunnel modification function one by one, thereby achieving the automatic effect of providing batch modification and batch distribution of tunnels.

The migration information involved in the above step S106 at least includes: the communication protocol used in the reconfiguration process. Through this protocol, the automatic reconfiguration of tunnels can be realized without manual participation, thereby greatly shortening the time for manual calculation of tunnel routing and tunnel configuration, and improving the efficiency of network maintenance.

In an optional embodiment, before the migration information of the multiple tunnels is delivered to each device through which the multiple tunnels pass, the migration information is delivered to a database, and the current tunnel modification is obtained from the database. Migration information used for configuration.

In an optional embodiment, the communication protocol used in the reconfiguration process includes at least one of the following: an operation management system OAM protocol, a quality of service QOS protocol, and a network technology project TNP protocol.

In an optional embodiment, after the migration information of multiple tunnels is delivered to each device through which the multiple tunnels pass, when each device fails to reconfigure the tunnel, output and display an indication for indicating that the tunnel fails information. Through this method, users can know the migration result of the tunnel in real time.

In an optional embodiment, before the above step S104, the configuration information of the first type of tunnel is obtained, wherein the configuration information at least includes: routing information, protection information, determining the route and the shortest idle route of the second type of tunnel, The migration information is output according to the route and the shortest idle route.

From the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present invention can be embodied in the form of software products in essence, or the parts that make contributions to related technologies. The computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) ), including several instructions to enable a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in the various embodiments of the present invention.

In this embodiment, an apparatus for adjusting a tunnel is also provided, and the apparatus is used to implement the above-mentioned embodiments and preferred implementations, and what has been described will not be repeated. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, implementations in hardware, or a combination of software and hardware, are also possible and contemplated.

FIG. 2 is a structural block diagram of an apparatus for adjusting a tunnel according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes: an obtaining module 22, configured to obtain a first data before the change of the network topology when the network topology changes. Type 2 tunnels and the second type of tunnels after the network topology has changed; the determining module 24 is configured to determine a plurality of tunnels to be migrated according to the change information of the second type tunnels relative to the first type tunnels; the first issuing module 26, for delivering the migration information of the multiple tunnels to each device through which the multiple tunnels pass, where the migration information is information required by the various devices when performing tunnel reconfiguration.

Optionally, the migration information in the foregoing optional embodiment includes at least: a communication protocol used in the reconfiguration process.

FIG. 3 is a structural block diagram (1) of a tunnel adjustment apparatus according to an embodiment of the present invention. As shown in FIG. 3 , the apparatus further includes a second issuing module 32 for issuing the migration information to the database; the first obtaining The module 34 is configured to obtain the migration information used in the current tunnel reconfiguration from the database.

In an optional embodiment, the communication protocol used in the reconfiguration process includes at least one of the following: an operation management system OAM protocol, a quality of service QOS protocol, and a network technology project TNP protocol.

Fig. 4 is a structural block diagram (2) of an apparatus for adjusting a tunnel according to an embodiment of the present invention. As shown in Fig. 4, the apparatus further includes a display module 42 for outputting and displaying a display module 42 when each device fails to reconfigure the tunnel. Indication information indicating that the tunnel failed.

FIG. 5 is a structural block diagram (3) of a tunnel adjustment apparatus according to an embodiment of the present invention. As shown in FIG. 5 , the apparatus further includes a second acquisition module 52 for acquiring configuration information of the first type of tunnel, wherein the configuration information It includes at least: routing information and protection information; and an output module 54, configured to determine the route and the shortest idle route of the second type of tunnel, and output the migration information according to the route and the shortest idle route.

It should be noted that the above modules can be implemented by software or hardware, and the latter can be implemented in the following ways, but not limited to this: the above modules are all located in the same processor; or, the above modules are located in multiple in the processor.

Embodiments of the present invention also provide a storage medium. Optionally, in this embodiment, the above-mentioned storage medium may be configured to store program codes for executing the following steps:

S1, when the network topology changes, obtain the first type of tunnel before the network topology changes and the second type of tunnels after the network topology changes;

S2, determining a plurality of tunnels to be migrated according to the change information of the second type of tunnel relative to the first type of tunnel;

S3: Deliver the migration information of the multiple tunnels to each device through which the multiple tunnels pass, where the migration information is information required by each device when performing tunnel reconfiguration.

Optionally, in this embodiment, the above-mentioned storage medium may include but is not limited to: a U disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a mobile hard disk, a magnetic Various media that can store program codes, such as discs or optical discs.

Optionally, in this embodiment, the processor executes the above S1, S2 and S3 according to the program codes stored in the storage medium.

In view of the above-mentioned problems existing in the related art, the following description is made with reference to specific optional embodiments, and the above-mentioned optional embodiments and optional implementations thereof are combined in the following optional embodiments.

In order to achieve the above-mentioned purpose of the invention, optional embodiments of the present invention adopt the following technical solutions:

The apparatus for adjusting a tunnel in an optional embodiment of the present invention includes the following three modules: a topology transition parameter input module, a tunnel impact analysis and recalculation module, and a tunnel automatic configuration and delivery module.

The method for adjusting a tunnel in an optional embodiment of the present invention includes the following steps:

1. The network maintenance operator specifies the network topology before the transition and the network topology after the transition.

2. After the system obtains the transition topology, the impact analysis and recalculation of the tunnel are carried out, and the corresponding operation plan is given before storage.

3. Invoke the tunnel auto-configuration module, obtain the corresponding protocol from the protocol pool according to the scheduling of the engine, reconfigure the tunnel, and finally deliver the created device.

An optional embodiment of an automatic stand-alone distributed deployment method of the present invention will be described below with reference to the accompanying drawings.

FIG. 6 is a schematic diagram of a method for adaptive adjustment of tunnels under network transitions in the related art. As shown in Figure 6, the current situation is to manually check the topology that needs to be changed during network transition, manually analyze the tunnels carried on the topology, and then reconfigure the tunnel after analyzing the available routes after the transition of the tunnel. Finally, modify the process of each device that the tunnel passes through one by one. 7 is a schematic diagram of tunnel adjustment according to an embodiment of the present invention. As shown in FIG. 7 , after the user inputs the network topology before and after the transition, the system automatically analyzes and recalculates, and then automatically configures each device in batches.

FIG. 8 is a frame diagram of a tunnel adjustment according to an embodiment of the present invention. As shown in FIG. 8 , the frame diagram includes three functional modules, a topology transition parameter input module 82 , a tunnel analysis and recalculation module 84 , and an automatic tunnel configuration. Delivery module 86 .

After the tunnel self-adaptive adjustment system under network transition is started, the user enters the tunnel migration scenario, such as ring expansion and chain addition, access ring splitting, or transition between network elements of NNI ports on the aggregation ring. The user enters the pre-transition tunnel and the post-transition tunnel. The system calls the module algorithm of tunnel impact analysis and recalculation, and the system analyzes the configuration of the tunnel before the transition, including routing and protection information. Then calculate the shortest idle route that can carry the tunnel in the route after transition. Finally, the tunnel migration list of each network element involved in the tunnel reconfiguration is given. The user selects the tunnel that needs to be migrated and reconfigures it according to the actual situation. The NE tunnel migration list data of the involved tunnel reconfiguration is stored in the database. The system obtains the protocols required for tunnel reconfiguration from the protocol pool, including delivery devices such as OAM, QOS, and TNP. If the data fails to be delivered to the device, the data is returned to the database for storage, and the user is notified that the delivery failed. After the data is delivered to the device successfully, the tunnel migration process ends. So far, the process of the tunnel adaptive adjustment system and method under the network transition ends.

FIG. 9 is a flow chart (1) of adjusting a tunnel according to an embodiment of the present invention. As shown in Figure 9, the process includes the following steps:

Step S902, selecting a tunnel migration scenario;

Step S904, input the sequence before the transition and the sequence after the transition;

Step S906, the system invokes the module algorithm of tunnel impact analysis and recalculation, the system analyzes the configuration of the tunnel before the transition, including information such as routing and protection, and then calculates the shortest idle route that can carry the tunnel in the route after the transition;

Step S908, outputting the tunnel migration list of each network element involved in the tunnel reconfiguration;

Step S910, the user selects the tunnel to be migrated for reconfiguration according to the actual situation;

Step S912, the network element tunnel migration list data of the involved tunnel reconfiguration is stored in the database;

Step S914, obtain the operation scheme from the data path;

Step S916, fetching a protocol from the protocol pool to delete, modify, and create a tunnel;

Step S918, the system obtains the protocol required for the tunnel reconfiguration from the protocol pool, including delivery devices such as OAM, QOS, and TNP.

In step S920, it is judged whether the data delivery is successful. If the data delivery to the device is successful, the tunnel migration process is ended. If not, the process returns to step S912 to prompt the user that the delivery fails.

So far, the tunnel self-adaptive adjustment process under network transition ends.

Taking the transition between NEs on the NNI port of the aggregation ring as an example, there are four tunnels between NEs passing through the BC. Adjust the network topology between BC devices to the network topology between BCDs. The system automatically analyzes and gives the route and bearer topology of the tunnel as BCD, and gives 4 tunnels that can be migrated in batches. The user selects 2 and sends them to the device. Start the tunnel adaptive adjustment system under network transition. The user selects the tunnel migration scenario as the transition between NNI ports on the aggregation ring. The system displays the configuration introduction of this tunnel migration scenario on the interface. Click Next, and the user selects this scenario. The network topology between the BCs before the transition and the network topology between the BCDs after the transition, click Next, the system automatically analyzes the tunnels carried on the network topology before the transition entered by the user, including the tunnels passing through the BC network topology and the BC is the termination tunnel of the upper and lower points and the protection tunnel of the bearer, and then re-search the network topology after the transition, the network route that can bear the tunnel, and calculate the shortest path, and finally enter the tunnel migration list. The name of the 4 affected tunnels in between, and the port of the tunnel's starting point. Users can select the 2 tunnels to be migrated according to their own needs. Click Next, the two reconfigured tunnels selected by the user and the corresponding tunnel migration single data are stored in the database. The system obtains the OAM and TNP protocols required to reconfigure the tunnel in the tunnel migration list from the protocol pool, and delivers them to the BCD device in the order of the migration list. When the precomputing fails, the failure information is returned to the database and displayed on the client side, the tunnel migration failed. If the pre-computing is successful, call the adapter, find the corresponding BCD device type, find the corresponding adapter container through the device type, find the corresponding device, and deliver the service. After the device is delivered, the device returns information to the database, indicating that the tunnel migration is complete.

Fig. 10 is a flow chart (2) of tunnel adjustment according to an embodiment of the present invention. As shown in Fig. 10, the flow includes the following steps:

Step S1002, the user selects the tunnel migration scenario as the transition between network elements of the aggregation ring NNI port;

Step S1004, the user selects the pre-transition sequence (the link between B and D devices) and the post-transition sequence (the link between B and C and D);

Step S1006, the system automatically provides a tunnel migration list (4 tunnels that can be migrated);

Step S1008, the user selects the tunnels (2) that need to be transitioned;

Step S1010, the user chooses to issue a migration operation;

Step S1012, data is entered into database DB;

Step S1014, the system provides that three network elements need to be created, deleted, and modified tunnel operations;

Step S1016, fetching OAM, QOS and other required protocols for configuring the tunnel from the protocol pool;

Step S1018, providing a queue for issuing commands to 3 network elements;

Step S1020, determine whether the pre-calculation is successful, if yes, go to step S1022, if not, go to step S1012;

Step S1022, delivering the device.

To sum up, according to the present invention, when the network topology changes, the first type of tunnels before the network topology changes and the second type of tunnels after the network topology changes are obtained; Determining multiple tunnels that need to be migrated based on the change information of the first type of tunnels; delivering the migration information of the multiple tunnels to each device that the multiple tunnels pass through, solving the problem of simply relying on a single tunnel modification in the related art The functions are adjusted one by one, and the time and labor consumption cannot meet the progress requirements of the engineering network transformation, thereby greatly shortening the time for manual calculation of tunnel routing and tunnel configuration, improving the efficiency of network maintenance, and providing batch modification and batch download. automatic effect.

Obviously, those skilled in the art should understand that the above-mentioned modules or steps of the present invention can be implemented by a general-purpose computing device, and they can be centralized on a single computing device or distributed in a network composed of multiple computing devices Alternatively, they may be implemented in program code executable by a computing device, such that they may be stored in a storage device and executed by the computing device, and in some cases, in a different order than here The steps shown or described are performed either by fabricating them separately into individual integrated circuit modules, or by fabricating multiple modules or steps of them into a single integrated circuit module. As such, the present invention is not limited to any particular combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A method for adjusting a tunnel, comprising:

when a network topological structure changes, acquiring a first tunnel before the network topological structure changes and a second tunnel after the network topological structure changes;

acquiring configuration information containing routing information and protection information of the first type of tunnel, and determining a route and a shortest idle route of the second type of tunnel so as to output migration information according to the route and the shortest idle route;

determining a plurality of tunnels needing to be migrated according to the migration information of the second type of tunnel and the configuration information of the first type of tunnel;

and sending the migration information of the plurality of tunnels to be migrated to each device through which the plurality of tunnels to be migrated pass, so that each device performs tunnel reconfiguration by using the migration information, thereby realizing tunnel adjustment.

2. The method of claim 1, wherein the migration information comprises at least: the communication protocol used in the reconfiguration process.

3. The method of claim 2, wherein issuing the migration information of the plurality of tunnels to the front of each device through which the plurality of tunnels pass comprises:

sending the migration information to a database;

and acquiring the migration information used in the tunnel modification from the database.

4. The method of claim 2, wherein the communication protocol comprises at least one of: an operation administration system (OAM) protocol, a quality of service (QOS) protocol and a network technology project (TNP) protocol.

5. The method of claim 1, wherein after sending the migration information of the plurality of tunnels to each device through which the plurality of tunnels pass, the method further comprises:

and outputting and displaying indication information for indicating the tunnel reconfiguration failure of each device when the devices fail to perform tunnel reconfiguration.

6. An adjusting device for a tunnel, comprising:

an obtaining module, configured to obtain a first type of tunnel before a network topology changes and a second type of tunnel after the network topology changes when the network topology changes, obtain configuration information of the first type of tunnel, where the configuration information includes routing information and protection information, and determine a route and a shortest idle route of the second type of tunnel, so as to output migration information according to the route and the shortest idle route;

a determining module, configured to determine multiple tunnels to be migrated according to the migration information of the second type of tunnel and the configuration information of the first type of tunnel;

and the first issuing module is used for issuing the migration information of the plurality of tunnels to be migrated to each device through which the plurality of tunnels to be migrated pass, so that each device performs tunnel reconfiguration by using the migration information, and tunnel adjustment is realized.

7. The apparatus of claim 6, wherein the migration information comprises at least: the communication protocol used in the reconfiguration process.

8. The apparatus of claim 7, further comprising:

the second issuing module is used for issuing the migration information to a database;

and the first acquisition module is used for acquiring the migration information used in the tunnel change from the database.

9. The apparatus of claim 7, wherein the communication protocol comprises at least one of: an operation administration system (OAM) protocol, a quality of service (QOS) protocol and a network technology project (TNP) protocol.

10. The apparatus of claim 6, further comprising:

and the display module is used for outputting and displaying indication information for indicating the tunnel reconfiguration failure of each device when the devices fail to perform the tunnel reconfiguration.

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