CN107294847B - Method and apparatus for GT translation - Google Patents

Abstract

The invention relates to a GT translation method and a GT translation device, wherein the method comprises the following steps: acquiring service parameters carried in a signaling message primitive; matching GT translation selector according to the service parameter and the address format type in the signaling message primitive to obtain a target GT translation selector; and obtaining a GT number carried in the original language of the signaling message, and translating the GT number according to the target GT translation selector and the GT number, so that different results can be obtained by translation under the condition that the routing address information in the signaling message is the same, and correct signaling routing information can be obtained.

Description

Method and apparatus for GT translation

technical field

The present invention relates to telecommunication technology, in particular to the technology of GT (Global Title, global code) translation in Signaling Connect and Control Part (Signaling Connect and Control Part) of Signaling System No. 7, and in particular to a method and device for GT translation .

Background technique

In the SCCP protocol, GT translation is a means of routing addressing in the No. 7 signaling network, especially when signaling messages need to be transmitted across the network between different No. 7 signaling networks, GT translation must be used, and messages are obtained through GT translation. The next signaling network node information to be delivered.

For some operators, in the process of capital reorganization or network construction, there may be situations in which multiple mobile networks are maintained, but user data needs to be maintained uniformly. For example, different users use different networks, but user data is stored in the same HLR (Home Location Register, home location register), and users can also switch to different networks freely. For users, they can use the same terminal to use mobile services in different mobile networks without feeling any difference. For example, a user terminal can perform services such as route query and location update to the same HLR through different networks. When the HLR respectively receives the signaling of these user terminals from different signaling networks, it is required to return the relevant service responses to the user terminals according to the original path in the network where the user initiated the service request. In different networks, the address information carried in the actual service signaling messages may be the same, resulting in the same GT translation results obtained by different networks, and it is impossible to determine which network the service response should be sent back to.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a method and device for GT translation in view of the above technical problems, which can achieve different results in the case of the same routing address information in signaling messages, thereby obtaining correct signaling routing information.

A method for GT translation, the method comprising:

Obtain the service parameters carried in the signaling message primitive;

According to the service parameter and the address format type in the signaling message primitive, the matching of the GT translation selector is performed to obtain the target GT translation selector;

Obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number.

A device for GT translation, the device comprising:

an acquisition module, used to acquire the service parameters carried in the signaling message primitive;

A matching module, for carrying out matching of GT translation selectors to obtain target GT translation selectors according to the service parameters and the address format type in the signaling message primitive;

The translation module is configured to obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number.

The above-mentioned method and device for GT translation, by acquiring the service parameters carried in the signaling message primitive, and performing the matching of the GT translation selectors according to the service parameters and the address format type in the signaling message primitives to obtain the target GT translation selectors, and obtaining the target GT translation selectors. The GT number carried in the signaling message primitive is translated according to the target GT translation selector and GT number. Since the determination of the target GT translation selector considers the service parameters, the routing address information is the same even in the signaling message primitive. , different target GT translation selectors can also be obtained, so that different GT translation results can be obtained according to the target GT translation selectors and the GT number, and correct signaling routing information can be obtained. There is a finer degree of discrimination when selecting a route according to the GT translation result, and a more specific route can be obtained.

Description of drawings

1 is a flowchart of a method for GT translation in one embodiment;

Fig. 2 is the flow chart of obtaining target GT translation selector in one embodiment;

Fig. 3 is the flow chart of obtaining target GT translation selector in another embodiment;

4 is a flowchart of a method for GT translation in a specific embodiment;

5 is a structural block diagram of an apparatus for GT translation in one embodiment;

6 is a structural block diagram of an apparatus for GT translation in another embodiment;

7 is a structural block diagram of a matching module in one embodiment;

FIG. 8 is a structural block diagram of a matching module in another embodiment.

Detailed ways

In one embodiment, as shown in Figure 1, a method for GT translation is provided, comprising:

In step S110, the service parameters carried in the signaling message primitive are acquired.

Specifically, in the signaling message primitive transmitted by the service to the SCCP, a field is added to carry the service parameter, and the position of the added field can be customized as required. The unit of the SCCP responsible for the GT translation function extracts service parameters from the primitives of the signaling messages according to preset rules. Service refers to the protocol function body that handles specific functions in the signaling protocol. The part of the signaling at the upper layer of the SCCP at the protocol level is called service. Service parameters refer to the parameters corresponding to the actual situation of the service, which have an important impact on the system process and operation mode in the system, such as the control network type, the area to which it belongs, and the processing priority. The service parameters can be network type information, number category, etc., and can be represented by a net type.

In one embodiment, the service parameter is network type information carried in the last associated signaling message sent to the service.

Specifically, the network type information carried in the last associated signaling message sent by the SCCP to the service is inserted into the signaling message primitive transmitted by the service to the SCCP, and then the GT translation selector is matched according to the network type information. The network type information is considered when matching the target GT translation selector. Even if the routing address information in the signaling message primitive is the same, different GT translation selectors and different GT translation results can be obtained. Therefore, when selecting a route according to the GT translation result, a finer degree of discrimination can be obtained, and a more specific route can be obtained.

In step S120, the target GT translation selector is obtained by matching the GT translation selectors according to the service parameters and the address format type in the signaling message primitive.

Specifically, the SCCP address includes a routing label, a subsystem number, a signaling point code and a GT. Among them, GT is an address format used by the No. 7 signaling network, including a group of numbers and some flag bytes representing the attributes of the number. It does not contain information that can be routed directly in the signaling network, but according to the configuration of GT translation data on the network node that processes or forwards signaling messages, the GT number is translated into SCCP and MTP (Media Transfer) through the GT translation function. Protocol, the media transfer protocol) recognizable address format. There are 4 types of GT, GT1, GT2, GT3, GT4.

GT1 includes address property indicator, parity bit and GT number.

GT2 includes translation type and GT number.

GT3 includes translation types, coding designs, numbering plans and GT numbers.

GT4 includes translation type coding design, numbering plan, address property indicator and GT number.

When addressing is performed according to the SCCP address, the addressing is performed through GT translation, such as querying the translation table through GT to obtain the destination signaling point. When querying the translation table through GT, it is necessary to first match the GT translation selectors according to the address format type and service parameters carried in the routed signaling messages, such as service parameters, GT type, address property indicator, numbering plan, translation Type query the GT translation selector table to obtain the target GT translation selector. If a corresponding address type in GT does not exist, it is set to an invalid value and filled with 0. The positions and query steps of each parameter are not limited. For example, a candidate GT translation selector may be determined from a part of the parameters, and then a target GT translation selector may be determined from the candidate GT translation selectors according to another part of the parameters. The number and design of GT translation selection sub-tables are not limited, and one or more GT translation selection sub-tables can be configured according to the query rules.

Step S130: Obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number.

Specifically, the translation table is queried according to the target GT translation selector and the GT number, and the translation result is obtained. Since the determination of the target GT translation selector takes into account the service parameters, even if the routing address information in the signaling message primitive is the same, different target GT translation selectors can be obtained, so that different target GT translation selectors can be obtained according to the target GT translation selector and the GT number. GT translation results of . There is a finer degree of discrimination when selecting a route according to the GT translation result, and a more specific route can be obtained. For example, when the service parameter is network type information, the GT translation result obtained from the same routing address information can distinguish different networks, thereby obtaining the destination signaling point of the correct network.

In this embodiment, the target GT translation selector is obtained by obtaining the service parameters carried in the signaling message primitive, and the target GT translation selector is obtained by matching the GT translation selector according to the service parameter and the address format type in the signaling message primitive, and the signaling message is obtained. The GT number carried in the primitive is translated according to the target GT translation selector and the GT number. Since the determination of the target GT translation selector considers the service parameters, even if the routing address information in the primitive of the signaling message is the same, it can be Obtain different target GT translation selectors, thereby obtaining different GT translation results according to the target GT translation selectors and the GT number, and obtaining correct signaling routing information. There is a finer degree of discrimination when selecting a route according to the GT translation result, and a more specific route can be obtained.

In one embodiment, before step S110, the method further includes: adding a service parameter configuration item to the GT translation selection sub-table, and configuring corresponding GT translation selectors for each configuration item of the GT translation selection sub-table.

Specifically, the service parameter configuration items can be set with different service parameters. For example, the two service parameter configuration items are China Unicom and China Mobile, which can be obtained by combining the service parameters corresponding to different service configuration items and the configuration parameters corresponding to other configuration items. Corresponding different GT translation selectors. Configuration parameters corresponding to other configuration items include: GT type, address property indicator, numbering plan, translation type, and the like. After the GT translation selector table is configured successfully, you can look up the table according to the specific business parameters, GT type, address property indicator, numbering plan, and translation type as query conditions to obtain one-to-one corresponding GT translation selectors. Depending on the GT type, there may be one or more invalid parameters in the configuration parameters such as address property indicator, numbering plan, and translation type, and a preset value may be used to represent an invalid value, such as 0.

In one embodiment, as shown in FIG. 2 , step S120 includes:

Step S121: Obtain the GT type, address property indicator, numbering plan, translation type and service parameters carried in the primitive of the signaling message, and combine them to obtain the first attribute parameter.

Specifically, the address property indicator is used to indicate the attribute of the address information, and the numbering plan uses one digit to indicate how the address information is numbered. The GT type, address property indicator, numbering plan, translation type and service parameters are combined to obtain The first attribute parameter, the order of combination can be customized.

Step S122, query the GT translation selector table according to the first attribute parameter to obtain the corresponding first target GT translation selector.

Specifically, in the GT translation selector table, different configuration parameters are pre-composed into first attribute parameter configuration items, and corresponding GT translation selectors are assigned to the first attribute parameter configuration items under different first attribute parameter values. Therefore, the corresponding first target GT translation selector can be quickly searched according to the first attribute parameter. Combining different configuration items into one first attribute parameter, so as to convert many-to-one correspondence into one-to-one correspondence, the first target GT translation selector can be quickly obtained.

In one embodiment, as shown in FIG. 3 , step S120 includes:

Step S123, if the first attribute parameter does not have a corresponding target GT translation selector in the GT translation selector table, remove the service parameter information in the first attribute parameter to obtain the second attribute parameter.

Specifically, if the first attribute parameter has a corresponding target GT translation selector in the GT translation selector table, query the GT translation table according to the combination of the target GT translation selector and the GT number in the message to perform the GT translation, and the message is sent to the translation The destination direction obtained. If the acquisition of the target GT translation selector fails, remove the service parameter in the first attribute parameter, for example, set it to an invalid value, such as 0, obtain the second attribute parameter and continue to query the GT translation selector table. By removing the service parameter information in the first attribute parameter and setting it to an invalid value, the original GT translation process can be compatible, because the original GT translation process does not have the query condition of service parameters.

Step S124, query the GT translation selector table according to the second attribute parameter to obtain the corresponding second target GT translation selector.

Specifically, if the corresponding second target GT translation selector is obtained by querying the GT translation selector table according to the second attribute parameter, the GT translation table can be queried according to the combination of the second target GT translation selector and the GT number in the message to perform the GT translation. translate, get the translation result. By removing the service parameter information in the first attribute parameter, the compatibility of GT translation can be improved. On the basis of being compatible with the existing configuration data, it is possible to obtain different translation results through service parameter control for the same GT type, address property indicator, numbering plan, translation type, and GT number information.

In one embodiment, as shown in Figure 4, the specific process of GT translation is as follows:

Step S210, obtain the service parameter carried in the primitive of the signaling message, obtain the GT type, address property indicator, numbering plan, translation type and service parameter carried in the primitive of the signaling message and combine to obtain the first attribute parameter, according to the first attribute parameter. An attribute parameter queries the GT translation selection subtable.

Step S220, it is judged whether there is a first target GT translation selector corresponding to the first attribute parameter in the GT translation selector table, if not, go to step S230, otherwise go to step S250.

Step S230, remove the service parameter information in the first attribute parameter to obtain the second attribute parameter, and query the GT translation selection sub-table according to the second attribute parameter.

Step S240, it is judged whether there is a second target GT translation selector corresponding to the second attribute parameter in the GT translation selector table, if not, the GT translation fails, if so, go to step S250.

In step S250, GT translation is performed according to the target GT translation selector and GT number obtained by the query.

In one embodiment, as shown in Figure 5, a device for GT translation is provided, comprising:

The obtaining module 310 is configured to obtain the service parameters carried in the signaling message primitive.

The matching module 320 is configured to perform the matching of the GT translation selectors according to the service parameters and the address format type in the signaling message primitive to obtain the target GT translation selectors.

The translation module 330 is configured to obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number.

In one embodiment, as shown in Figure 6, the apparatus further includes:

The configuration module 340 is configured to add service parameter configuration items in the GT translation selection sub-table, and configure corresponding GT translation selectors for each configuration item of the GT translation selection sub-table.

In one embodiment, the service parameter is network type information carried in the last associated signaling message sent to the service.

In one embodiment, as shown in FIG. 7, the matching module 320 includes:

The combining unit 321 is configured to obtain the GT type, address property indicator, numbering plan, translation type and service parameters carried in the primitive of the signaling message and combine them to obtain the first attribute parameter.

The first query unit 322 is configured to query the GT translation selector table according to the first attribute parameter to obtain the corresponding first target GT translation selector.

In one embodiment, as shown in FIG. 8 , the matching module 320 further includes:

The service parameter information removing unit 323 is configured to remove the service parameter information in the first attribute parameter to obtain the second attribute parameter if the first attribute parameter does not have a corresponding target GT translation selector in the GT translation selector table.

The second query unit 324 is configured to query the GT translation selector table according to the second attribute parameter to obtain the corresponding second target GT translation selector.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium, such as the present invention. In an embodiment, the program may be stored in a storage medium of a computer system, and executed by at least one processor in the computer system, so as to implement the processes of the embodiments including the foregoing methods. The storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM) or the like.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. a method for GT translation, the method comprising: Obtain the service parameters carried in the signaling message primitive; According to the service parameter and the address format type in the signaling message primitive, the matching of the GT translation selector is performed to obtain the target GT translation selector; Obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number. 2. The method according to claim 1, wherein before the step of acquiring the service parameters carried in the signaling message primitives, the method further comprises: Add service parameter configuration items to the GT translation selection sub-table, and configure the corresponding GT translation selection sub-table for each configuration item of the GT translation selection sub-table. 3 . The method according to claim 1 , wherein the service parameter is network type information carried in the last associated signaling message sent to the service. 4 . 4. The method according to claim 1, wherein the step of performing the matching of the GT translation selector to obtain the target GT translation selector according to the service parameter and the address format type in the signaling message primitive include: Obtain the GT type, address property indicator, numbering plan, translation type and service parameters carried in the primitive of the signaling message and combine them to obtain the first attribute parameter; Query the GT translation selector table according to the first attribute parameter to obtain the corresponding first target GT translation selector. 5. The method according to claim 4, wherein the step of performing the matching of the GT translation selector to obtain the target GT translation selector according to the service parameter and the address format type in the signaling message primitive include: If the first attribute parameter does not have a corresponding target GT translation selector in the GT translation selector table, remove the service parameter information in the first attribute parameter to obtain a second attribute parameter; Query the GT translation selector table according to the second attribute parameter to obtain a corresponding second target GT translation selector. 6. A device for GT translation, wherein the device comprises: an acquisition module, used to acquire the service parameters carried in the signaling message primitive; A matching module, for carrying out matching of GT translation selectors to obtain target GT translation selectors according to the service parameters and the address format type in the signaling message primitive; The translation module is configured to obtain the GT number carried in the primitive of the signaling message, and perform the GT translation according to the target GT translation selector and the GT number. 7. The apparatus of claim 6, wherein the apparatus further comprises: The configuration module is used to add service parameter configuration items in the GT translation selection sub-table, and configure corresponding GT translation selection sub-tables for each configuration item of the GT translation selection sub-table. 8 . The apparatus according to claim 6 , wherein the service parameter is network type information carried in the last associated signaling message sent to the service. 9 . 9. The apparatus according to claim 6, wherein the matching module comprises: a combining unit, configured to obtain the GT type, address property indicator, numbering plan, translation type and service parameter carried in the primitive of the signaling message and combine to obtain the first attribute parameter; The first query unit is configured to query the GT translation selector table according to the first attribute parameter to obtain the corresponding first target GT translation selector. 10. The apparatus according to claim 9, wherein the matching module further comprises: A service parameter information removal unit, configured to remove the service parameter information in the first attribute parameter to obtain a second attribute parameter if there is no corresponding target GT translation selector in the GT translation selector table for the first attribute parameter attribute parameter; A second query unit, configured to query the GT translation selector table according to the second attribute parameter to obtain a corresponding second target GT translation selector.

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