CN115665722A - A multi-home terminal discovery device - Google Patents

Abstract

The invention provides a multi-hole terminal discovery device, comprising: the first determining module is used for determining a plurality of first addresses related to each multi-hole terminal based on the communication connection log; the strategy matching module is used for calling an interface service strategy set matched with each terminal interface from the strategy database; the priority determining module is used for analyzing the communication connection instruction and determining the strategy priority of each strategy; the address acquisition module is used for determining an interface service layout corresponding to the multi-hole terminal according to the unique service strategy and obtaining a plurality of second addresses from a layout-address database; and the communication determining module is used for matching and verifying the first addresses and the second addresses of the same multi-hole terminal, determining the communication conditions of the same multi-hole terminal and outputting and displaying the communication conditions. The existing communication condition is determined through the matching verification of the addresses acquired in the two modes, the abnormal effective discovery is realized, and the abnormal multi-hole terminal is further effectively discovered.

Description

A multi-home terminal discovery device

technical field

The invention relates to the technical field of network communication, in particular to a multi-homed terminal discovery device.

Background technique

In a 3GPP cellular system, a cellular terminal can access several IP networks in parallel by establishing a so-called PDN connection with each packet data network it wants to access. Common typical use cases are as follows:

The UE may need to access the Internet in parallel with the operator's IP multimedia subsystem and in parallel with the user's corporate intranet. On each PDN connection, the UE is assigned an IP address. In the terms of the Internet Engineering Task Force, the UE is An IP address with multiple IP interfaces is called a multi-homed host, that is, a multi-homed host may have multiple IP addresses at the same time in the network.

In the process of determining the communication status of the same multi-homed terminal, the existing communication problems are generally determined according to the captured logs, but in this process, the abnormalities in the parameters will be developed, but the root cause is generally because The parameter is abnormal caused by the error of address access, so it is necessary to find the abnormality of the address, and then determine the abnormality of communication.

Therefore, the present invention proposes a multi-homed terminal discovery device.

Contents of the invention

The present invention provides a device for discovering multi-homed terminals, which is used to initially determine the address of the same multi-homed terminal from the log of the service cluster, and then determine the corresponding address from the multi-homed terminal itself. Matching verification is used to determine the existing communication conditions, realize the effective discovery of abnormalities, and then realize the effective discovery of abnormal multi-homed terminals.

The present invention provides a multi-home terminal discovery device, including:

The first determination module is configured to determine a plurality of first addresses related to each multi-home terminal at the current moment based on the communication connection log of the service cluster;

A policy matching module, configured to determine the terminal interface set of each multi-home terminal, and retrieve the interface service policy set matched with each terminal interface from the policy database;

The priority determination module is used to obtain and analyze the communication connection instructions of each multi-homed terminal at the moment, respectively determine the policy priority of each interface service policy in the interface service policy set matched by each terminal interface, and obtain the unique service Strategy;

The address acquisition module is used to determine the interface service layout corresponding to the multi-home terminal according to the unique service strategy, and obtain several second addresses from the layout-address database;

The communication determination module is used to verify the matching of several first addresses and several second addresses of the same multi-home terminal, determine the communication status of the same multi-home terminal, and output and display.

Preferably, the first determination module includes:

A list construction unit, configured to obtain the communication connection log of the service cluster at the moment, and construct a connection list for each server, wherein the connection list includes a number of terminal interface connection identifiers;

The address acquiring unit is configured to determine all first identifiers of the same multi-home terminal according to all connection lists, and then acquire several first addresses of the same multi-home terminal.

Preferably, the strategy matching module includes:

an interface set acquisition unit, configured to acquire the terminal interface set of each multi-home terminal from the terminal database;

A task determining unit, configured to determine the interface attributes of each terminal interface in the set of terminal interfaces matched by each multi-home terminal and the historical execution tasks of the corresponding interfaces, and obtain the calling task for each terminal interface;

A policy determining unit, configured to call an interface service policy set matching the corresponding terminal interface from the policy database according to the calling task;

Wherein, the set of interface service policies includes several interface service policies matched by corresponding terminal interfaces.

Preferably, the priority determination module includes:

The instruction analysis unit is used to analyze the communication connection instruction of each multi-home terminal acquired at the moment, obtain the analysis result, and determine the corresponding work task of the multi-home terminal from the analysis result, and determine the corresponding task based on the task-interface database. The first interface in the working state in the multi-home terminal;

Represents a construction unit, which is used to determine the interface attributes, allowed execution content, and current execution content of each first interface, and construct a service logic representation corresponding to the first interface;

A priority determining unit, configured to match the service logic representation with each service policy in the matching interface service policy set one by one, obtain the corresponding policy matching degree, and then obtain the policy priority;

The unique determination unit is used to extract the maximum policy priority. If the maximum policy priority is less than the preset priority, according to the service logic representation, the latest service policy corresponding to the first interface is reconstructed and used as the only service policy ;

If the maximum policy priority is greater than or equal to the preset priority, the service policy matching the maximum policy priority is used as the only service policy.

Preferably, the address obtaining module includes:

a layout determining unit, configured to determine an initial service layout according to the determined first interface of the same multi-home terminal;

a policy parsing unit, configured to parse the unique service policy, and determine the first access address corresponding to the first interface from the policy-address database;

A layout optimization unit, configured to optimize the initial service layout based on the communication connection instruction, obtain an interface service layout, and query historical combined addresses from the layout-address database;

The address obtaining unit is used to extract the address set related to the interface from all the historical combination addresses, and obtain the second access address;

An interface address determining unit, configured to determine a reasonable access address corresponding to the first interface based on the first access address and the second access address;

The terminal address determining unit is configured to obtain the second address of the same multi-homed terminal according to all reasonable access addresses.

Preferably, the communication determination module includes:

The address consistency determination unit is used to obtain the same address among the several first addresses and the several second addresses in the same multi-home terminal, the first different address among the several first addresses, and the second different address among the several second addresses;

a value determination unit, configured to determine the qualified execution value of the communication connection instruction based on all the same addresses;

At the same time, determining a first value of the communication connection instruction based on all first different addresses, and simultaneously determining a second value of the communication connection instruction based on all second different addresses;

a first calculation unit, configured to calculate a first cumulative sum of the eligible execution value and a first value and calculate a second cumulative sum of the qualified execution value and a second value;

a second calculation unit, configured to calculate a first ratio between the qualified performance value and the first cumulative sum, and at the same time, calculate a second ratio between the qualified performance value and the second cumulative sum;

The behavior obtaining unit is used to obtain the abnormal communication behavior and the normal communication behavior matched with the first ratio, the second ratio, the first different address and the second different address from the preset mapping table, and output and display.

Preferably, the behavior acquisition unit includes:

A determination block, configured to determine the first identification of the abnormal communication behavior and the matching first display interface, and at the same time, determine the second identification of the normal communication behavior and the matching second display interface;

A building block, which is used to create a first display group of the first logo and the first display interface in the same abnormal behavior and a second display group of the second logo and the second display interface in the same normal behavior;

The output block is configured to obtain an output image and output the display according to the first position of the first display group and the second position of the second display group.

Preferably, said representation building units include:

The first analysis block is configured to analyze the interface attributes of each first interface based on the attribute representation model to obtain the first representation;

The second analysis block is configured to analyze the allowed execution content of each first interface based on the content representation model to obtain a second representation, and at the same time, analyze the current execution content of each first interface based on the content representation model, get the third representation;

The representation combination block is configured to combine the service logic representation corresponding to the first interface based on the first representation, the second representation and the third representation.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

FIG. 1 is a structural diagram of a device for discovering multi-homed terminals in an embodiment of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

The present invention provides a multi-home terminal discovery device, as shown in Figure 1, including:

The first determination module is configured to determine a plurality of first addresses related to each multi-home terminal at the current moment based on the communication connection log of the service cluster;

A policy matching module, configured to determine the terminal interface set of each multi-home terminal, and retrieve the interface service policy set matching each terminal interface from the policy database;

The priority determination module is used to obtain and analyze the communication connection instructions of each multi-homed terminal at the moment, respectively determine the policy priority of each interface service policy in the interface service policy set matched by each terminal interface, and obtain the unique service Strategy;

The address acquisition module is used to determine the interface service layout corresponding to the multi-home terminal according to the unique service strategy, and obtain several second addresses from the layout-address database;

The communication determination module is used to verify the matching of several first addresses and several second addresses of the same multi-home terminal, determine the communication status of the same multi-home terminal, and output and display.

In this embodiment, the current moment refers to the moment when the multi-homed terminal 1 receives the communication connection instruction and starts to execute according to the communication connection instruction, and then obtains the work log of the service cluster at this moment, that is, the work log in the work log It includes the communication connection log at that moment.

In this embodiment, the communication connection log includes connections between different multi-homed terminals and different servers, connections between different interfaces of the same multi-homed terminal and servers, etc., and includes different addresses.

In this embodiment, the server 1 is communicatively connected to the interface 1 in the multi-home terminal 1, the server 2 is communicatively connected to the interface 2 in the multi-home terminal 1, and so on.

In this embodiment, the set of terminal interfaces refers to all interfaces contained in the multi-homed terminal.

In this embodiment, the policy database is pre-set and includes different terminal interface sets, terminal interfaces included in the set, and matching service policies, and then the interface service policy set of the same interface can be obtained, because, The tasks performed by the same multi-homed terminal on the same interface may be different in different instructions, therefore, the interface service policy set of each interface can be obtained.

In this embodiment, the instruction parsing is mainly to determine the final service policy of each terminal interface in the same multi-homed terminal, that is, after the execution is disassembled, the content that the corresponding interface needs to execute can be determined, and then through the policy One-to-one matching to determine the priority, and the unique service policy is obtained by matching the highest priority corresponding to the set.

In this embodiment, the service policy refers to the service content that needs to be executed by the corresponding interface, for example, after the communication connection is established, the data 1 is acquired or the data 1 is transmitted.

In this embodiment, the interface service layout is obtained through comprehensive construction including the interfaces in the working state of the multi-homed terminal and the service policies of the interfaces in the working state.

In this embodiment, the layout-address database includes different interface service layouts and historical combination addresses matching the layouts.

In this embodiment, the second address is obtained based on historical combined addresses.

In this embodiment, the matching verification is regarded as determining the same address and different addresses among the first address and the second address, and then the communication situation of the multi-homed terminal, so as to realize effective output and display.

The beneficial effect of the above technical solution is: the address of the same multi-homed terminal is preliminarily determined from the log of the service cluster, and then the corresponding address is determined from the multi-homed terminal itself, and the matching verification of the addresses obtained by the two methods is used to determine The existing communication situation realizes the effective discovery of abnormalities, and then realizes the effective discovery of abnormal multi-homed terminals.

The present invention provides a multi-home terminal discovery device, the first determination module includes:

A list construction unit, configured to obtain the communication connection log of the service cluster at the moment, and construct a connection list for each server, wherein the connection list includes a number of terminal interface connection identifiers;

The address acquiring unit is configured to determine all first identifiers of the same multi-home terminal according to all connection lists, and then acquire several first addresses of the same multi-home terminal.

In this embodiment, the communication connection log includes communication connection conditions between different interfaces and the server and related communication connection addresses.

In this embodiment, the connection list is that the same server contains the identifiers of different terminal interfaces in different multi-homed terminals, and the identifiers of each terminal interface are unique. The identification contained in the multi-home terminal is further obtained to obtain the first address, wherein the first address is matched one by one with the corresponding connection identification.

The beneficial effect of the above technical solution is: the list is constructed by obtaining the communication connection log of the server, and then the first address can be obtained effectively, which provides an effective basis for subsequent verification and matching of addresses.

The present invention provides a multi-home terminal discovery device, the policy matching module includes:

an interface set acquisition unit, configured to acquire the terminal interface set of each multi-home terminal from the terminal database;

A task determination unit, configured to determine the interface attributes of each terminal interface in the set of terminal interfaces matched by each multi-homed terminal and the historical execution tasks of the corresponding interfaces, and obtain the calling task for each terminal interface;

A policy determining unit, configured to call an interface service policy set matching the corresponding terminal interface from the policy database according to the calling task;

Wherein, the set of interface service policies includes several interface service policies matched by corresponding terminal interfaces.

In this embodiment, the terminal database includes different terminal types and interfaces matching the types, and then the set of terminal interfaces of related multi-homed terminals can be obtained.

In this embodiment, the interface attributes are factory-set.

In this embodiment, the historical execution task refers to the historical task executed based on the interface, and the historical task can be obtained based on establishing a communication connection under different instructions, but there will be irrelevant execution tasks in the process, Therefore, the irrelevant execution tasks are eliminated to obtain the calling tasks, and then the service policy for each interface can be obtained.

The beneficial effect of the above technical solution is: by obtaining the interface set, and based on the interface attributes and tasks, it is convenient to call and obtain the interface service policy set, which provides a basis for subsequent interface address analysis.

The present invention provides a multi-home terminal discovery device, the priority determination module includes:

The instruction analysis unit is used to analyze the communication connection instruction of each multi-home terminal acquired at the moment, obtain the analysis result, and determine the corresponding work task of the multi-home terminal from the analysis result, and determine the corresponding task based on the task-interface database. The first interface in the working state in the multi-home terminal;

Represents a construction unit, which is used to determine the interface attributes, allowed execution content, and current execution content of each first interface, and construct a service logic representation corresponding to the first interface;

A priority determination unit, configured to match the service logic representation with each service policy in the matching interface service policy set one by one, obtain the corresponding policy matching degree, and then obtain the policy priority;

The unique determination unit is used to extract the maximum policy priority. If the maximum policy priority is less than the preset priority, according to the service logic representation, the latest service policy corresponding to the first interface is reconstructed and used as the only service policy ;

If the maximum policy priority is greater than or equal to the preset priority, the service policy matching the maximum policy priority is used as the only service policy.

In this embodiment, the analysis of the instruction is obtained based on the analysis of the instruction analysis model, and the model is pre-trained based on different instructions and the analysis results of the instruction as samples, and then the work for the multi-homed terminal can be obtained. Tasks, for example, work task 1 matches interfaces 1, 2, and 3 in the multi-homed terminal from the task-interface database to be in the working state, this is regarded as the first interface, and the remaining interfaces are in the waiting state.

In this embodiment, because the attributes of the interfaces are different and the contents executed by the interfaces are different, a logical representation of the service is constructed, wherein the representations are trained based on different models.

In this embodiment, in the process of matching the service logic representation with the policy set, each service policy needs to be matched from the policy-representation database, and then the policy representation of the service policy is obtained.

By matching the service logic representation with the policy representation, the policy matching degree can be obtained. After the policy matching degree is determined, the relevant policy priority is retrieved according to the service policy type-matching degree-priority mapping table, where the mapping The table includes different service policy types, policy matching degrees, and related policy priorities.

By comparing the maximum priority, the unique service policy can be effectively determined.

Among them, the determination of policy matching includes:

P=sim{s1,s2}

Among them, P represents the corresponding policy matching degree; s1 represents the logical representation of the corresponding service; s2 represents the corresponding policy representation.

The beneficial effect of the above technical solution is: by analyzing the instructions to determine the interface in the working state, and then constructing the service logic representation according to the interface attributes, allowed work content and current execution content, and matching with different service strategies to obtain The unique service policy provides a basis for subsequent determination of the second address.

The present invention provides a multi-home terminal discovery device, the address acquisition module includes:

a layout determining unit, configured to determine an initial service layout according to the determined first interface of the same multi-home terminal;

a policy parsing unit, configured to parse the unique service policy, and determine the first access address corresponding to the first interface from the policy-address database;

A layout optimization unit, configured to optimize the initial service layout based on the communication connection instruction, obtain an interface service layout, and query historical combined addresses from the layout-address database;

The address obtaining unit is used to extract the address set related to the interface from all the historical combination addresses, and obtain the second access address;

An interface address determining unit, configured to determine a reasonable access address corresponding to the first interface based on the first access address and the second access address;

The terminal address determining unit is configured to obtain the second address of the same multi-homed terminal according to all reasonable access addresses.

In this embodiment, the determination of the first interface is only a preliminary determination of the interface based on the location distribution of the terminals to obtain the initial service layout.

In this embodiment, the policy-address database includes different unique service policies and access addresses matching the unique service policies, so that the matching first access address can be obtained.

In this embodiment, the purpose of optimizing the initial service layout based on instructions is to conduct a reasonable analysis of each interface, which is equivalent to adding a dedicated identifier to each first interface on the initial service layout, thereby realizing the optimization of the initial service layout. Optimization.

In this embodiment, the layout-address database contains different interface service layouts and different combinations matching the layouts, and thus obtains historical combination addresses.

In this embodiment, since the historical combined addresses are multiple groups of addresses for the same interface service layout, the address set of the same interface in the same interface service layout can be extracted from the multiple groups of addresses.

For example: in historical combined address 1, there are addresses 01 and 02 for interfaces 1 and 2; in historical combined address 2, there are addresses 01 and 00 for interfaces 1 and 2; in historical combined address 3, there are addresses for interfaces 1 and 2 address 01, 00, at this time, the address set for interface 1 is: address 01, address 01, address 01, and the address set for interface 2 is: address 02, address 00, address 01.

Wherein, the second access address for interface 1 is 01, and the second access address for interface 2 is 02.

In this embodiment, if the first access address for interface 1 is also 01, the reasonable access address at this time is address 01.

The beneficial effect of the above technical solution is: by determining the initial layout and optimizing the initial layout based on the strategy, it is convenient to obtain the combined address, and then extract the address set of the same interface to obtain the second access address, and finally determine it comprehensively with the first azimuth address Whether it is reasonable or not, it can effectively guarantee the rationality of the final address determined by the terminal, and provide an effective basis for finding abnormalities.

The present invention provides a multi-home terminal discovery device, the communication determination module includes:

The address consistency determination unit is used to obtain the same address among the several first addresses and the several second addresses in the same multi-home terminal, the first different address among the several first addresses, and the second different address among the several second addresses;

a value determination unit, configured to determine the qualified execution value of the communication connection instruction based on all the same addresses;

At the same time, determining a first value of the communication connection instruction based on all first different addresses, and simultaneously determining a second value of the communication connection instruction based on all second different addresses;

a first calculation unit, configured to calculate a first cumulative sum of the eligible execution value and a first value and calculate a second cumulative sum of the qualified execution value and a second value;

a second calculation unit, configured to calculate a first ratio between the qualified performance value and the first cumulative sum, and at the same time, calculate a second ratio between the qualified performance value and the second cumulative sum;

The behavior obtaining unit is used to obtain the abnormal communication behavior and the normal communication behavior matched with the first ratio, the second ratio, the first different address and the second different address from the preset mapping table, and output and display.

In this embodiment, the first address: 01, 02, 03, 04, the second address: 01, 02, 03, 05, wherein, the same address is 01, 02, 03, the first different address is 04, the second address Two different addresses are 05.

In this embodiment, the method of determining the qualified execution value is as follows:

Among them, Y represents the corresponding qualified execution value; n1 represents the number of identical addresses; r _i1 represents the qualified value of the i1th instruction with the same address; g _i1 represents the instruction weight value of the i1th identical address; (r _i1 g _i1 ) _max represents the maximum value among n1 r _i1 g _i1 ; r _i1 g _i1 represents the effective value of the i1th same address.

In this embodiment, the method for determining the first value is similar to the method for determining the second value and the method for calculating the qualified execution value, and will not be repeated here.

In this embodiment, the preset mapping table includes different ratios and addresses, and may include behaviors that match the ratios and addresses.

The beneficial effect of the above technical solution is: by determining the sameness or difference between the first address and the second address, the existing qualified execution value, the first value, and the second value can be effectively calculated, which provides convenience for subsequent determination of abnormal behavior and normal behavior , providing an effective basis for finding anomalies.

The present invention provides a multi-home terminal discovery device, the behavior acquisition unit includes:

A determination block, configured to determine the first identification of the abnormal communication behavior and the matching first display interface, and at the same time, determine the second identification of the normal communication behavior and the matching second display interface;

A building block, which is used to create a first display group of the first logo and the first display interface in the same abnormal behavior and a second display group of the second logo and the second display interface in the same normal behavior;

The output block is configured to obtain an output image and output the display according to the first position of the first display group and the second position of the second display group.

In this embodiment, the identifiers matched with the behavior are all determined from the behavior database, and then related identifiers and interfaces can be obtained through matching.

In this embodiment, the first display group includes the first identifier and an identifier consistent with the display interface.

The beneficial effect of the above technical solution is that by determining the display group of abnormal behavior and normal behavior and displaying them at corresponding positions, effective output of abnormality can be guaranteed.

The present invention provides a device for discovering multi-homed terminals, and the representation construction unit includes:

The first analysis block is configured to analyze the interface attributes of each first interface based on the attribute representation model to obtain the first representation;

The second analysis block is configured to analyze the allowed execution content of each first interface based on the content representation model to obtain a second representation, and at the same time, analyze the current execution content of each first interface based on the content representation model, get the third representation;

The representation combination block is configured to combine the service logic representation corresponding to the first interface based on the first representation, the second representation and the third representation.

In this embodiment, the attribute representation model is obtained through sample training based on different interface attributes and representations matching the interface attributes.

In this embodiment, the content representation model is obtained by training samples based on different allowed content, current content and matching scores.

In this embodiment, the representation can be different identification symbols to represent the representation and obtain the service logic representation. For example, the first 3 characters are the first representation, the middle 2 characters are the second representation, and the last 3 characters are the second representation. Three said.

The beneficial effect of the above-mentioned technical solution is that attributes and contents can be effectively represented through different models, and then the service logic representation of the interface can be realized.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (8)

1. A multi-home terminal discovery device, characterized in that, comprising: The first determination module is configured to determine a plurality of first addresses related to each multi-home terminal at the current moment based on the communication connection log of the service cluster; A policy matching module, configured to determine the terminal interface set of each multi-home terminal, and retrieve the interface service policy set matched with each terminal interface from the policy database; The priority determination module is used to obtain and analyze the communication connection instructions of each multi-homed terminal at the moment, respectively determine the policy priority of each interface service policy in the interface service policy set matched by each terminal interface, and obtain the unique service Strategy; The address acquisition module is used to determine the interface service layout corresponding to the multi-home terminal according to the unique service strategy, and obtain several second addresses from the layout-address database; The communication determination module is used to verify the matching of several first addresses and several second addresses of the same multi-home terminal, determine the communication status of the same multi-home terminal, and output and display. 2. The device for discovering multi-homed terminals according to claim 1, wherein the first determination module includes: A list construction unit, configured to obtain the communication connection log of the service cluster at the moment, and construct a connection list for each server, wherein the connection list includes a number of terminal interface connection identifiers; The address acquiring unit is configured to determine all first identifiers of the same multi-home terminal according to all connection lists, and then acquire several first addresses of the same multi-home terminal. 3. The multi-home terminal discovery device according to claim 1, wherein the policy matching module includes: an interface set acquisition unit, configured to acquire the terminal interface set of each multi-home terminal from the terminal database; A task determination unit, configured to determine the interface attributes of each terminal interface in the set of terminal interfaces matched by each multi-homed terminal and the historical execution tasks of the corresponding interfaces, and obtain the calling task for each terminal interface; A policy determining unit, configured to call an interface service policy set matching the corresponding terminal interface from the policy database according to the calling task; Wherein, the set of interface service policies includes several interface service policies matched by corresponding terminal interfaces. 4. The device for discovering multi-homed terminals according to claim 1, wherein the priority determination module includes: The instruction analysis unit is used to analyze the communication connection instruction of each multi-home terminal obtained at the moment, obtain the analysis result, and determine the corresponding work task of the multi-home terminal from the analysis result, and determine the corresponding task based on the task-interface database. The first interface in the working state in the multi-home terminal; Represents a construction unit, which is used to determine the interface attributes, allowed execution content, and current execution content of each first interface, and construct a service logic representation corresponding to the first interface; A priority determination unit, configured to match the service logic representation with each service policy in the matching interface service policy set one by one, obtain the corresponding policy matching degree, and then obtain the policy priority; The unique determination unit is used to extract the maximum policy priority. If the maximum policy priority is less than the preset priority, according to the service logic representation, the latest service policy corresponding to the first interface is reconstructed and used as the only service policy ; If the maximum policy priority is greater than or equal to the preset priority, the service policy matching the maximum policy priority is used as the only service policy. 5. The device for discovering multi-homed terminals according to claim 1, wherein the address acquisition module includes: a layout determining unit, configured to determine an initial service layout according to the determined first interface of the same multi-home terminal; a policy parsing unit, configured to parse the unique service policy, and determine the first access address corresponding to the first interface from the policy-address database; A layout optimization unit, configured to optimize the initial service layout based on the communication connection instruction, obtain an interface service layout, and query historical combined addresses from the layout-address database; The address obtaining unit is used to extract the address set related to the interface from all the historical combination addresses, and obtain the second access address; An interface address determining unit, configured to determine a reasonable access address corresponding to the first interface based on the first access address and the second access address; The terminal address determining unit is configured to obtain the second address of the same multi-homed terminal according to all reasonable access addresses. 6. The device for discovering multi-homed terminals according to claim 1, wherein the communication determining module comprises: The address consistency determination unit is used to obtain the same address among the several first addresses and the several second addresses in the same multi-home terminal, the first different address among the several first addresses, and the second different address among the several second addresses; a value determination unit, configured to determine the qualified execution value of the communication connection instruction based on all the same addresses; At the same time, determining a first value of the communication connection instruction based on all first different addresses, and simultaneously determining a second value of the communication connection instruction based on all second different addresses; a first calculation unit, configured to calculate a first cumulative sum of the eligible execution value and a first value and calculate a second cumulative sum of the qualified execution value and a second value; a second calculation unit, configured to calculate a first ratio between the qualified performance value and the first cumulative sum, and at the same time, calculate a second ratio between the qualified performance value and the second cumulative sum; The behavior obtaining unit is used to obtain the abnormal communication behavior and the normal communication behavior matched with the first ratio, the second ratio, the first different address and the second different address from the preset mapping table, and output and display. 7. The device for discovering multi-homed terminals according to claim 1, wherein the behavior acquiring unit comprises: A determination block, configured to determine the first identification of the abnormal communication behavior and the matching first display interface, and at the same time, determine the second identification of the normal communication behavior and the matching second display interface; A building block, which is used to create a first display group of the first logo and the first display interface in the same abnormal behavior and a second display group of the second logo and the second display interface in the same normal behavior; The output block is configured to obtain an output image and output the display according to the first position of the first display group and the second position of the second display group. 8. The device for discovering multi-homed terminals according to claim 5, wherein the representation construction unit comprises: The first analysis block is configured to analyze the interface attributes of each first interface based on the attribute representation model to obtain the first representation; The second analysis block is configured to analyze the allowed execution content of each first interface based on the content representation model to obtain a second representation, and at the same time, analyze the current execution content of each first interface based on the content representation model, get the third representation; The representation combination block is configured to combine the service logic representation corresponding to the first interface based on the first representation, the second representation and the third representation.

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