CN116232909A - Policy verification and adjustment method, device and equipment - Google Patents
Policy verification and adjustment method, device and equipment Download PDFInfo
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- CN116232909A CN116232909A CN202111478706.5A CN202111478706A CN116232909A CN 116232909 A CN116232909 A CN 116232909A CN 202111478706 A CN202111478706 A CN 202111478706A CN 116232909 A CN116232909 A CN 116232909A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
- H04L12/1407—Policy-and-charging control [PCC] architecture
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Abstract
The invention provides a method, a device and equipment for verifying and adjusting a strategy, wherein the method comprises the following steps: receiving a policy generated by a policy control function PCF; performing verification processing on the strategy according to a verification method corresponding to a preset construction type of a strategy verification platform to obtain a verification result; and sending the verification result to the PCF. By the technical scheme, feasibility verification of the policy generated by the PCF can be realized, and negative influence on the network due to the inappropriateness of the issued policy is reduced.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a device for verifying and adjusting a policy.
Background
The PCF (policy control function) generates policies to be directly issued to the SMF (session management function)/AMF (access management function), but lacks a feasibility verification procedure for policies.
In the prior art, the PCF strategy cannot be verified, and root cause positioning can only be carried out in negative influences generated after strategy issuing, so that strategy adjustment is repeated. But the influence on the current network and clients caused by improper strategy is large, and the strategy adjustment period is very long.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method, a device and equipment for verifying and adjusting the policy, which can realize feasibility verification of the policy generated by PCF and reduce negative influence on the network caused by the inappropriateness of the issued policy.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a policy verification method applied to a policy verification platform, the method comprising:
receiving a policy generated by a policy control function PCF;
performing verification processing on the strategy according to a verification method corresponding to a preset construction type of a strategy verification platform to obtain a verification result;
and sending the verification result to the PCF.
Optionally, receiving the policy generated by the policy control function PCF includes:
receiving a first message sent by a Policy Control Function (PCF) through a P1 interface, wherein the first message carries a policy generated by the PCF, and the first message comprises at least one field as follows: policy configuration form, different kinds of characterization of policies, expression form of policies.
Optionally, sending the verification result to the PCF includes:
sending a second message to the PCF via a P2 interface, the second message carrying the verification result, the second message including at least one of the following fields: marking whether the strategy is feasible or not, and reason information for the infeasibility of the strategy.
Optionally, the construction type of the policy verification platform includes at least one of the following:
constructing a knowledge graph;
adopting a mode of interaction between upper layer logic and physical network of preset simulation software to construct;
and constructing by adopting an intelligent arrangement mode.
Optionally, when the policy verification platform adopts knowledge graph construction, the policy is verified according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result, which includes:
extracting key features from the strategy to obtain key features;
generating an N-tuple according to the preset format of the preset programming language by the key features, wherein N is a positive integer;
and carrying out conflict verification and/or consistency detection processing on the strategy represented by the N-tuple according to the verification rule of the knowledge graph to obtain a verification result.
Optionally, when the policy verification platform is constructed by adopting a mode of interaction between a preset simulation software upper layer logic and a physical network, performing verification processing on the policy according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result, where the method includes:
converting the strategy into a target configuration file according to the configuration file requirement of the preset simulation software;
and carrying out simulation verification on the target configuration file in a simulation environment of the preset simulation software to obtain a verification result.
Optionally, when the policy verification platform is built in an intelligent arrangement manner, the policy is verified according to a verification method corresponding to a preset building type of the policy verification platform, so as to obtain a verification result, including:
converting the strategy into a target expression;
calculating the target expression in a twin body constructed in an intelligent arrangement mode to obtain a calculation result;
and verifying the calculation result according to a second preset judgment rule to obtain a verification result.
The embodiment of the invention also provides a strategy adjusting method which is applied to the PCF, and comprises the following steps:
sending a policy to a policy verification platform;
receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and adjusting the strategy according to the verification result to obtain an adjusted strategy.
Optionally, the method for adjusting the policy further includes:
and interacting with network elements of the core network according to the adjusted strategy.
The embodiment of the invention also provides a strategy verification platform, which comprises the following steps:
the receiving and transmitting module is used for receiving the strategy generated by the PCF;
the processing module is used for carrying out verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform to obtain a verification result;
the transceiver module is further configured to send the verification result to the PCF.
The embodiment of the invention also provides a policy control function PCF, which comprises:
the receiving and transmitting module is used for transmitting the strategy to the strategy verification platform; receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and the processing module is used for adjusting the strategy according to the verification result to obtain an adjusted strategy.
The embodiment of the invention also provides a communication device, which comprises: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above.
Embodiments of the present invention also provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform a method as described above.
The scheme of the invention at least comprises the following beneficial effects:
verifying the policy generated by the PCF through a policy verification platform according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result; sending the verification result to the PCF; therefore, real-time simulation deduction of the policy generated by the PCF is realized, the feasibility of the policy generated by the PCF is improved, and the efficiency of network operation is improved.
Drawings
FIG. 1 is a flowchart of a method for verifying policies provided by an embodiment of the invention;
FIG. 2 is a flowchart of one embodiment of a method of verifying policies according to an embodiment of the invention;
FIG. 3 is a flow chart of an implementation of a QoS adjustment method based on business experience awareness according to an embodiment of the present invention;
fig. 4 is a block diagram of an indication device of an access network according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a policy verification method, applied to a policy verification platform, where the method includes:
and step 13, sending the verification result to the PCF.
According to the embodiment of the invention, the policy generated by the PCF is verified by the policy verification platform according to the verification method corresponding to the preset construction type of the policy verification platform, so that a verification result is obtained; sending the verification result to the PCF; therefore, real-time simulation deduction of the policy generated by the PCF is realized, the feasibility of the policy generated by the PCF is improved, and the efficiency of network operation is improved.
In an alternative embodiment of the present invention, step 11 may include:
receiving a first message sent by a Policy Control Function (PCF) through a P1 interface, wherein the first message carries a policy generated by the PCF, and the first message comprises at least one field as follows: policy configuration form, different kinds of characterization of policies, expression form of policies.
In the embodiment, interaction between the PCF and the policy verification platform is realized by adding the P1 interface, and the P1 interface more rapidly transmits the generated policy to the policy verification platform on one hand and receives the simulation deduction result of the policy verification platform on the other hand in real time. The interface output message includes: the method can be in a policy configuration form, and can also be in mathematical forms of different characterization and abstraction of policies. Here, the policy configuration form may be, for example: application and traffic data flow detection, gating, qoS (quality of service), flow based charging, flow control, usage monitoring control, access network information reporting and configuration of policies for RAN (radio access network) support information. Different types of characterization of policies include, but are not limited to: information obtained from AF (access function), such as session, media and subscription related information, UDR (unified data repository function); information obtained from the AMF, such as UE-related and access-related information; information obtained from the SMF; information obtained from NWDAF (network intelligent analysis function); information obtained from NEF (network open function); information obtained from CHF (billing function); policy context preconfigured by PCF, etc.; the abstract mathematical form can be a data expression form of the strategy, and the corresponding expression can be selected to be expressed according to the specific strategy. The interface can be adapted to the policy format of the policy real-time verification requirement, so that the PCF policy can be verified on diversified network elements, platforms or other functional bodies with real-time verification. Such outgoing messages are more generalizable and more adaptable.
In an alternative embodiment of the present invention, step 13 may include:
sending a second message to the PCF via a P2 interface, the second message carrying the verification result, the second message including at least one of the following fields: marking whether the strategy is feasible or not, and reason information for the infeasibility of the strategy. Here, the flag of whether the policy is feasible is such as a flag character as 1 or 0, but is not limited to these flag characters, and is used to indicate whether the policy is feasible after verification; the reason information of the policy infeasibility is used to indicate what the reason why the policy infeasibility is if the policy infeasibility is after the policy is verified, so that the PCF can adjust the corresponding policy according to the flag and the reason information of the corresponding policy infeasibility.
In this embodiment, by adding a P2 interface, on one hand, in order to receive the PCF transmission message, on the other hand, in order to quickly transmit the policy feasibility conclusion after the simulation deduction to the PCF. The P2 interface output message includes:
in an optional embodiment of the present invention, the policy verification platform may be constructed according to a construction type including at least one of:
constructing a knowledge graph;
adopting a mode of interaction between upper layer logic and physical network of preset simulation software to construct;
and constructing by adopting an intelligent arrangement mode.
In this embodiment, when the policy verification platform is constructed, there may be various methods, such as a construction method based on OWL (Web Ontology Language) language and a knowledge graph, a construction method based on interaction between upper logic and physical networks of NS3 simulation software, a construction method based on intelligent arrangement, etc., but because of differences between construction languages and network configuration languages, in order for the policy verification platform to correctly identify and execute policies, PCF policies need to be automatically converted and resolved, and the PCF policies are converted into forms that can be simulated, verified and deduced by the policy verification platform.
In an optional embodiment of the present invention, when the policy verification platform uses knowledge graph construction, step 12 may include:
step 121, extracting key features from the strategy to obtain key features;
step 122, generating an N-tuple according to the preset format of the preset programming language by the key features, wherein N is a positive integer;
and step 123, performing conflict verification and/or consistency detection processing on the strategy represented by the N-tuple according to the verification rule of the knowledge graph to obtain a verification result.
In this embodiment, if the policy verification platform is constructed by adopting OWL (Web Ontology Language) language, the policy generated by PCF is converted into OWL language expression form, that is, the key information is extracted, and the N-tuple, that is, < individual, class, attribute, relationship, function, rule, constraint, axiom, event > and the like are used for characterization. And the knowledge graph is adopted to verify the strategy of the N-tuple, the knowledge graph can automatically identify the configuration file, the information of the configuration file is extracted, and the principles of conflict detection, consistency detection and the like of the knowledge graph are utilized to verify the strategy. For example: if A < B, B < C, C < A occur in PCF policy simulation, then conflict with A < B and B < C= > A < C, then the policy is unreasonable.
In addition, if the policy generated by PCF is a dispatch path, characterized by the relationship in N-tuple, then it is < attribute: nodes a, b, c, d, f have forwarding capability, relationship: a- > b- > c- > d- > f, constraint: c| - > b & f| - > a, but the relational characterization of the nodes a, b, c, d, f of the constructed knowledge-graph is: c- > a- > d- > f- > b, and according to consistency detection, the triplet information of the PCF scheduling path and the characterization information in the knowledge graph are inconsistent, so that the policy generated by the PCF can be judged to be infeasible.
In an optional embodiment of the present invention, when the policy verification platform is constructed by adopting a mode of interaction between upper layer logic and physical network of preset simulation software, step 12 may include:
step 124, converting the strategy into a target configuration file according to the configuration file requirement of the preset simulation software;
and step 125, performing simulation verification on the target configuration file in a simulation environment of the preset simulation software to obtain a verification result.
In this embodiment, if the policy verification platform is constructed by adopting NS3 simulation software upper layer logic and physical network interaction: the policy generated by the PCF is converted into a configuration file consistent with the NS3 simulation software, the converted configuration information is simulated and verified in the NS3 simulation environment, and the simulation result is checked in the simulation software. In one example, the policy generated by the PCF is a billing policy, and the CDR (call detail record) is generated based on billing data in the billing event; CDF generates a CDR by a charging message; a single charging event may generate one CDR, namely: the relationship of events and CDRs is a 1:1 relationship; one CDR may be generated in multiple events, namely: the relation between the event and the CDR is that of N:1, but the final implementation adopts a 1:1 corresponding relation; each charging event exists in only one CDR, namely: there is no 1:N relationship (N > 1) between event and CDR; the relation between CDR and charging event is converted into a target file which can be identified by an application layer of NS3 simulation software, the target file realizes the downward transmission of data packets by utilizing socket-like programming, the data packets are downward transmitted to network equipment through a protocol stack (TCP/IP), the network equipment comprises a MAC layer and a physical layer protocol, thus the data packets flow like a real network, data frames are converted into binary streams, and finally, the binary streams become signals to be transmitted to a destination node through a medium channel.
In an alternative embodiment of the present invention, when the policy verification platform is constructed in an intelligent orchestration manner, step 12 may include:
step 126, converting the strategy into a target expression;
step 127, calculating the target expression in a twin body constructed in an intelligent arrangement mode to obtain a calculation result;
and 128, verifying the calculation result according to a second preset judgment rule to obtain a verification result.
In this embodiment, if the policy verification platform adopts the method of construction based on intelligent orchestration: then the policy generated by the PCF is converted into a matrixThe mathematical expression of quantity, tuple and so on is calculated in the constructed digital twin body, and the feasibility of the result is judged. For example: node a to node B can be mathematically characterized as a vector form:
node B to node C can be mathematically characterized as a vector form: />
Judging whether the route from node A to node C is reachable or not, the data expression +.>
And (5) judging. In one example, the policy generated by the PCF is a policy for transmission rate adjustment of quality of service QoS, which is transmitted at a target transmission rate, which is converted into a vector->
The vector +.>
And (5) putting the target transmission rate into a digital twin body for calculation to obtain a verification result of whether the target transmission rate is feasible or not.
The following describes a specific implementation of the above method in conjunction with a specific implementation flow, as shown in fig. 2:
step 21, PCF generates a strategy;
step 22, sending the strategy to a strategy verification platform;
step 23, the policy verification platform converts and analyzes the PCF policy, and performs reasoning, simulation and verification on the platform according to the converted information and the real-time data drive of the physical network;
step 24, if the policy is viable, send a "Y" field to the PCF;
step 25, the PCF issues the strategy to the session management function SMF/mobility management function AMF;
step 26, if the policy is not feasible, transmitting a field "N" and carrying the reason of the infeasibility;
step 27, PCF receives the information and then carries out strategy optimization adjustment;
step 28, then sending the regulated strategy to a strategy verification platform again for simulation deduction, and repeating the steps 22 and 23 until the strategy is feasible;
step 29, executing step 24 and step 25;
in step 23, to implement conversion and analysis of PCF policy, and perform reasoning, simulation, and verification on the platform according to the converted information and real-time data driving of the physical network, the policy verification platform needs to have the following three functions: the platform should interact with the physical network in real time, and virtual-real mapping is performed. The platform has the capability of simulating and deducting the strategy issued in the physical network, and the feasibility of the strategy is verified based on the real-time data synchronized to the verification platform. The platform can automatically convert and analyze the PCF strategy, and convert the PCF strategy into a form which can be simulated, verified and deduced by the strategy verification platform.
As shown in fig. 3, a specific implementation example is described in detail by taking QoS adjustment perceived based on service experience as an example, and the specific flow is as follows:
step 31, nwdaf (network data analysis function) collects user radio performance KPIs (such as reference signal received power RSRP, reference signal received quality RSRQ) from gNB/OMC (operation maintenance center), collects user traffic performance KPIs (such as rate, time delay, etc.) from UPF (user plane function), and collects interactive traffic MoS (maintenance operation subsystem) from AF (application function).
Step 32, based on the data collected in step 31, NWDAF builds a machine learning/deep learning model to perform business awareness.
And step 33, sending the sensing result to the policy control function PCF.
Step 34, the pcf generates a QoS adjustment policy according to the perceived result of the NWDAF and the network condition.
Step 35, the pcf issues the generated QoS adjustment policy to the policy verification platform via the P1 interface.
Step 36, the policy verification platform receives the PCF message through the P2 interface, converts and analyzes the PCF policy, and performs reasoning, simulation and verification on the platform according to the converted information and combining with the real-time data drive of the physical network, thereby judging whether the policy is feasible.
Step 37, if the policy is viable, the policy verification platform sends a message "Y" to the PCF over the P2 interface.
In step 38, the pcf triggers the SMF (session management function) to make QoS adjustments according to the generated policy.
Step 39, the smf informs the UPF (user plane function) of QoS adjustment.
According to the embodiment of the invention, the policy generated by the PCF is simulated and deduced in real time through the policy verification platform, so that the negative influence on the network caused by improper policy issuing is solved, the policy generated by the PCF is verified in real time, and the policy generated by the PCF is regulated in real time, so that the actual requirement of the network is met.
The embodiment of the invention also provides a strategy adjusting method which is applied to the PCF, and comprises the following steps:
sending a policy to a policy verification platform;
receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and adjusting the strategy according to the verification result to obtain an adjusted strategy.
In an alternative embodiment of the present invention, the method for adjusting a policy further includes: and interacting with network elements of the core network according to the adjusted strategy.
In an optional embodiment of the present invention, receiving a verification result fed back by the policy verification platform after performing verification processing on the policy may include:
receiving a second message sent by the policy verification platform through a P2 interface, wherein the second message carries the verification result, and the second message comprises at least one field as follows: marking whether the strategy is feasible or not and reason information for infeasibility of the strategy;
here, the flag of whether the policy is viable is such as a flag character as 1 or 0, but is not limited to these flag characters, and is used to indicate whether the policy is viable after verification; the reason information of the policy infeasibility is used to indicate what the reason why the policy infeasibility is if the policy infeasibility is after the policy is verified, so that the PCF can adjust the corresponding policy according to the flag and the reason information of the corresponding policy infeasibility.
In one possible example, if a policy is viable, e.g., a flag of 1, indicates that the policy is viable, and therefore, the policy may not be adjusted; otherwise, when the mark of whether the strategy is feasible or not is 0, the strategy is not feasible, and strategy adjustment is needed;
when the policy adjustment is needed, the field information of the reason information of the infeasibility of the policy can be further read, and the corresponding policy adjustment is carried out according to the reason information of the infeasibility of the policy. Thus, the negative influence on the network caused by improper strategy can be well solved.
It should be noted that, the method is a PCF-side method corresponding to the policy verification platform-side method, and all implementation manners in the method embodiment are applicable to the method embodiment, so that the same technical effects can be achieved.
As shown in fig. 4, an embodiment of the present invention further provides a policy verification platform 40, including:
a transceiver module 41, configured to receive a policy generated by the policy control function PCF;
the processing module 42 is configured to perform verification processing on the policy according to a verification method corresponding to a preset construction type of the policy verification platform, so as to obtain a verification node;
the transceiver module 41 is further configured to send the verification result to the PCF.
Optionally, receiving the policy generated by the policy control function PCF includes:
receiving a first message sent by a Policy Control Function (PCF) through a P1 interface, wherein the first message carries a policy generated by the PCF, and the first message comprises at least one field as follows: policy configuration form, different kinds of characterization of policies, expression form of policies.
Optionally, sending the verification result to the PCF includes:
sending a second message to the PCF via a P2 interface, the second message carrying the verification result, the second message including at least one of the following fields: marking whether the strategy is feasible or not, and reason information for the infeasibility of the strategy.
Optionally, the construction type of the policy verification platform includes at least one of the following:
constructing a knowledge graph;
adopting a mode of interaction between upper layer logic and physical network of preset simulation software to construct;
and constructing by adopting an intelligent arrangement mode.
Optionally, when the policy verification platform adopts knowledge graph construction, the policy is verified according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result, which includes:
extracting key features from the strategy to obtain key features;
generating an N-tuple according to the preset format of the preset programming language by the key features, wherein N is a positive integer;
and carrying out conflict verification and/or consistency detection processing on the strategy represented by the N-tuple according to the verification rule of the knowledge graph to obtain a verification result.
Optionally, when the policy verification platform is constructed by adopting a mode of interaction between a preset simulation software upper layer logic and a physical network, performing verification processing on the policy according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result, where the method includes:
converting the strategy into a target configuration file according to the configuration file requirement of the preset simulation software;
and carrying out simulation verification on the target configuration file in a simulation environment of the preset simulation software to obtain a verification result.
Optionally, when the policy verification platform is built in an intelligent arrangement manner, the policy is verified according to a verification method corresponding to a preset building type of the policy verification platform, so as to obtain a verification result, including:
converting the strategy into a target expression;
calculating the target expression in a twin body constructed in an intelligent arrangement mode to obtain a calculation result;
and verifying the calculation result according to a second preset judgment rule to obtain a verification result.
It should be noted that, the device is a device corresponding to the method on the policy verification platform side, and all implementation manners of the method are applicable to the embodiment of the device, so that the same technical effects can be achieved.
The embodiment of the invention also provides a policy control function PCF, which comprises:
the receiving and transmitting module is used for transmitting the strategy to the strategy verification platform; receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and the processing module is used for adjusting the strategy according to the verification result to obtain an adjusted strategy.
Optionally, the transceiver module is further configured to interact with a network element of the core network according to the adjusted policy.
The embodiment of the invention also provides a communication device, which comprises: a processor, a memory storing a computer program which, when executed by the processor, performs the method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Embodiments of the present invention also provide a computer-readable storage medium comprising instructions which, when run on a computer, cause the computer to perform a method as described above. All the implementation manners in the method embodiment are applicable to the embodiment, and the same technical effect can be achieved.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
Furthermore, it should be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. Also, the steps of performing the series of processes described above may naturally be performed in chronological order in the order of description, but are not necessarily performed in chronological order, and some steps may be performed in parallel or independently of each other. It will be appreciated by those of ordinary skill in the art that all or any of the steps or components of the methods and apparatus of the present invention may be implemented in hardware, firmware, software, or a combination thereof in any computing device (including processors, storage media, etc.) or network of computing devices, as would be apparent to one of ordinary skill in the art after reading this description of the invention.
The object of the invention can thus also be achieved by running a program or a set of programs on any computing device. The computing device may be a well-known general purpose device. The object of the invention can thus also be achieved by merely providing a program product containing program code for implementing said method or apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is apparent that the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. The steps of executing the series of processes may naturally be executed in chronological order in the order described, but are not necessarily executed in chronological order. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (13)
1. A method for verifying a policy, applied to a policy verification platform, the method comprising:
receiving a policy generated by a policy control function PCF;
performing verification processing on the strategy according to a verification method corresponding to a preset construction type of a strategy verification platform to obtain a verification result;
and sending the verification result to the PCF.
2. The method of policy validation of claim 1, wherein receiving policies generated by a policy control function PCF comprises:
receiving a first message sent by a Policy Control Function (PCF) through a P1 interface, wherein the first message carries a policy generated by the PCF, and the first message comprises at least one field as follows: policy configuration form, different kinds of characterization of policies, expression form of policies.
3. The method of validating a policy of claim 1, wherein sending the validation result to the PCF comprises:
sending a second message to the PCF via a P2 interface, the second message carrying the verification result, the second message including at least one of the following fields: marking whether the strategy is feasible or not, and reason information for the infeasibility of the strategy.
4. A method of validating policies according to any one of claims 1 to 3, wherein the type of construction of the policy validation platform comprises at least one of:
constructing a knowledge graph;
adopting a mode of interaction between upper layer logic and physical network of preset simulation software to construct;
and constructing by adopting an intelligent arrangement mode.
5. The method for verifying a policy according to claim 4, wherein when the policy verification platform is constructed by using a knowledge graph, performing verification processing on the policy according to a verification method corresponding to a preset construction type of the policy verification platform to obtain a verification result, including:
extracting key features from the strategy to obtain key features;
generating N-tuple according to a preset format of a preset programming language by the key features, wherein N is a positive integer;
and carrying out conflict verification and/or consistency detection processing on the strategy represented by the N-tuple according to the verification rule of the knowledge graph to obtain a verification result.
6. The method for verifying a policy according to claim 4, wherein when the policy verification platform is constructed by adopting a mode of interaction between a preset simulation software upper layer logic and a physical network, the policy is verified according to a verification method corresponding to a preset construction type of the policy verification platform, so as to obtain a verification result, and the method comprises the following steps:
converting the strategy into a target configuration file according to the configuration file requirement of the preset simulation software;
and carrying out simulation verification on the target configuration file in a simulation environment of the preset simulation software to obtain a verification result.
7. The method for verifying a policy according to claim 4, wherein when the policy verification platform is constructed in an intelligent arrangement manner, the policy is verified according to a verification method corresponding to a preset construction type of the policy verification platform, so as to obtain a verification result, and the method comprises:
converting the strategy into a target expression;
calculating the target expression in a twin body constructed in an intelligent arrangement mode to obtain a calculation result;
and verifying the calculation result according to a second preset judgment rule to obtain a verification result.
8. A method for policy adjustment, applied to a policy control function PCF, the method comprising:
sending a policy to a policy verification platform;
receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and adjusting the strategy according to the verification result to obtain an adjusted strategy.
9. The method of policy adjustment according to claim 8, further comprising:
and interacting with network elements of the core network according to the adjusted strategy.
10. A policy verification platform, comprising:
the receiving and transmitting module is used for receiving the strategy generated by the PCF;
the processing module is used for carrying out verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform to obtain a verification result;
the transceiver module is further configured to send the verification result to the PCF.
11. A policy control function PCF, comprising:
the receiving and transmitting module is used for transmitting the strategy to the strategy verification platform; receiving a verification result fed back by the strategy verification platform after verification processing is carried out on the strategy; the verification result is obtained by performing verification processing on the strategy according to a verification method corresponding to a preset construction type of the strategy verification platform;
and the processing module is used for adjusting the strategy according to the verification result to obtain an adjusted strategy.
12. A communication device, comprising: a processor, a memory storing a computer program which, when executed by the processor, performs the method of any one of claims 1 to 7 or the method of any one of claims 8 to 9.
13. A computer readable storage medium storing instructions which, when run on a computer, cause the computer to perform the method of any one of claims 1 to 7 or the method of any one of claims 8 to 9.
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| CN116599862A (en) * | 2023-07-18 | 2023-08-15 | 中国电信股份有限公司 | Communication method, analysis network element and communication system |
| CN116599862B (en) * | 2023-07-18 | 2023-09-29 | 中国电信股份有限公司 | Communication method, analysis network element and communication system |
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