CN111405506B - Policy control method, device, equipment and computer readable storage medium - Google Patents
Policy control method, device, equipment and computer readable storage medium Download PDFInfo
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- CN111405506B CN111405506B CN201910000994.XA CN201910000994A CN111405506B CN 111405506 B CN111405506 B CN 111405506B CN 201910000994 A CN201910000994 A CN 201910000994A CN 111405506 B CN111405506 B CN 111405506B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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Abstract
The embodiment of the invention discloses a policy control method, a policy control device, policy control equipment and a computer readable storage medium, which relate to the technical field of communication and are used for improving the flexibility of policy control. The policy control method of the present invention is applied to a first network element, and comprises: and acquiring subscription information from a second network element, wherein the subscription information comprises information used for representing that the strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled. The embodiment of the invention can improve the flexibility of strategy control.
Description
Technical Field
Embodiments of the present invention relate to the field of communications technologies, and in particular, to a policy control method, apparatus, device, and computer-readable storage medium.
Background
In order to achieve the objectives of differentiated Service capability, resource grooming capability, network traffic optimization capability, etc., according to the 3rd Generation Partnership Project (3 GPP) standard specification, a Policy and Charging Control (PCC) system architecture is introduced into the existing packet network to perform QoS (Quality of Service) Control on packet data services.
Fig. 1 is a schematic diagram of a PCC architecture. The main network elements of the PCC architecture include PCRF (Policy and Charging Rules Function), PCEF (Policy and Charging implementation Function), AF (Application Function), OCS/OFCS (Online Charging System/Offline Charging System), and SPR (Subscription Profile Repository). Wherein:
(1) PCRF: with policy control decision making and flow-based charging control functionality, the PCEF is provided with network control functions with respect to traffic data flow detection, gating, QoS-based and flow-based charging (except credit control).
(2) A PCEF: the charging function responsible for detecting service data flow, executing policy and based on flow is generally set on GGSN (Gateway GPRS Support Node) or P-GW (PDN Gateway).
(3) AF: the dynamic policy/charging control is mainly carried out on the user plane behavior of an IP-CAN (IP-Connectivity Access Network) and is arranged on a service platform.
(4) SPR: the service server is a logical entity and is used for storing information related to all subscribers or subscriptions, including services allowed by the subscribers and the like.
(5) OCS/OFCS: for online/offline charging.
The 5G network is similar to the 4G PCC network, and the 5G adopts a service mode to design network elements and interfaces among the network elements.
At present, Policy Control is enabled by all defaults in the 5G network, where AMF (Access and Mobility Management Function) may choose whether to interact with PCF (Policy Control Function) based on operator configuration, so as to enable AMF Policy Control and UE (User Equipment) Policy Control.
Therefore, this strategy control approach is not flexible.
Disclosure of Invention
In view of this, embodiments of the present invention provide a policy control method, apparatus, device and computer readable storage medium to improve flexibility of policy control.
To solve the foregoing technical problem, in a first aspect, an embodiment of the present invention provides a policy control method, applied to a first network element, including:
acquiring subscription information from a second network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges:
for DNN (Data Network Name), for slice, for entire user.
Wherein the method further comprises:
and processing according to the information.
Wherein the processing according to the information comprises:
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
Wherein the first network element comprises at least one of the following network elements: AMF, SMF (Session Management Function).
In a second aspect, an embodiment of the present invention provides a policy control method, applied to a second network element, including:
sending subscription information to a first network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
Wherein the second network element comprises: UDM (Unified Data Management).
In a third aspect, an embodiment of the present invention provides a policy control apparatus, which is disposed in a first network element, and includes: a processor and a transceiver;
the processor is configured to acquire subscription information from a second network element, where the subscription information includes information used to indicate that a policy is turned on or enabled, or the subscription information includes information used to indicate that the policy is turned off or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges:
DNN, slice, and user-wide.
Wherein the processor is further configured to perform processing according to the information.
Wherein the processor is further configured to,
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
Wherein the first network element comprises at least one of the following network elements: AMF, SMF.
In a fourth aspect, an embodiment of the present invention provides a policy control apparatus, which is disposed in a second network element, and includes: a processor and a transceiver;
the transceiver is configured to send subscription information to a first network element, where the subscription information includes information used to indicate that a policy is turned on or enabled, or the subscription information includes information used to indicate that the policy is turned off or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
Wherein the second network element comprises: and (4) UDM.
In a fifth aspect, an embodiment of the present invention provides a communication device, including: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor;
the processor configured to read a program in the memory to implement the steps in the method according to the first aspect; or to implement a step in a method according to the second aspect.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium for storing a computer program, which when executed by a processor implements the steps in the method according to the first aspect; or to implement a step in a method according to the second aspect.
The technical scheme of the embodiment of the invention has the following beneficial effects:
in the embodiment of the present invention, the subscription information includes information for indicating policy on or enabling, or the subscription information includes information for indicating policy off or disabling, so that a network element can perform policy control based on a certain policy, thereby improving flexibility of policy control.
Drawings
FIG. 1 is a schematic diagram of a PCC architecture in the prior art;
FIG. 2 is a flow chart of a policy control method according to an embodiment of the present invention;
FIG. 3 is a flow chart of a policy control method according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a policy control device according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a policy control device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a communication device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a communication device according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 2, a policy control method according to an embodiment of the present invention is applied to a first network element, and includes:
the policy includes at least one of the following policies:
session management Policy (SM Policy), Non-session management Policy (Non-SM Policy); or
The policy includes at least one of the following policies:
session management Policy, user Policy (UE Policy), access and mobility Policy (AM Policy).
In practical applications, the subscription information is for at least one of the following ranges:
DNN, slice, and user-wide.
In the embodiment of the present invention, the subscription information includes information for indicating policy on or enabling, or the subscription information includes information for indicating policy off or disabling, so that a network element can perform policy control based on a certain policy, thereby improving flexibility of policy control.
Wherein the first network element comprises at least one of the following network elements: AMF, SMF.
On the basis of the above embodiment, the first network element may further perform processing according to the information.
Specifically, when the information indicates that a session management policy is opened or enabled, a session management policy is requested from a third network element; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
The third network element may be a PCF (Policy Control Function).
Taking services such as VoLTE (Voice over LTE, Voice over long term evolution) as an example, the requirements of the services on the non-session management policy are low, the introduction of the non-session management policy will result in a reduction in efficiency, and in an unnecessary scenario, the policy control capability of part of DNNs or part of services needs to be closed. Therefore, based on the above-described embodiments, the policy control capability of closing part of the DNN or part of the service may be indicated by the subscription information.
As shown in fig. 3, the policy control method according to the embodiment of the present invention is applied to a second network element, and includes:
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
In practical applications, the subscription information is for at least one of the following ranges:
DNN, slice, and user-wide.
Wherein the second network element comprises: and (4) UDM.
In the embodiment of the present invention, the subscription information includes information for indicating policy on or enabling, or the subscription information includes information for indicating policy off or disabling, so that a network element can perform policy control based on a certain policy, thereby improving flexibility of policy control.
As shown in fig. 4, a policy control apparatus according to an embodiment of the present invention is disposed in a first network element, and includes:
a processor 301 and a transceiver 302.
The processor 301 is configured to acquire subscription information from a second network element, where the subscription information includes information used to indicate that a policy is turned on or enabled, or the subscription information includes information used to indicate that the policy is turned off or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
Wherein the subscription information is for at least one of the following ranges:
DNN, slice, and user-wide.
Wherein, the processor 301 is further configured to perform processing according to the information.
Wherein, the processor 301 is further configured to request a session management policy from a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
Wherein the first network element comprises at least one of the following network elements: AMF, SMF.
The working principle of the device according to the invention can be referred to the description of the method embodiment described above.
In the embodiment of the present invention, the subscription information includes information for indicating policy on or enabling, or the subscription information includes information for indicating policy off or disabling, so that a network element can perform policy control based on a certain policy, thereby improving flexibility of policy control.
As shown in fig. 5, a policy control apparatus according to an embodiment of the present invention is disposed in a second network element, and includes: a processor 401 and a transceiver 402.
The transceiver 401 is configured to send subscription information to a first network element, where the subscription information includes information used to indicate policy activation or policy enablement, or the subscription information includes information used to indicate policy deactivation or policy disablement;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
Wherein the second network element comprises: and (4) UDM.
The working principle of the device according to the invention can be referred to the description of the method embodiment described above.
In the embodiment of the present invention, the subscription information includes information for indicating policy on or enabling, or the subscription information includes information for indicating policy off or disabling, so that a network element can perform policy control based on a certain policy, thereby improving flexibility of policy control.
As shown in fig. 6, the communication device according to the embodiment of the present invention includes: the processor 500, which is used to read the program in the memory 520, executes the following processes:
acquiring subscription information from a second network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
A transceiver 510 for receiving and transmitting data under the control of the processor 500.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 520, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
The processor 500 is further configured to read the computer program and perform the following steps:
and processing according to the information.
The processor 500 is further configured to read the computer program and perform the following steps:
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
As shown in fig. 6, the communication device according to the embodiment of the present invention includes: the processor 600, which is used to read the program in the memory 620, executes the following processes:
sending subscription information to a first network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
A transceiver 610 for receiving and transmitting data under the control of the processor 600.
Where in fig. 6, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 600 and memory represented by memory 620. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 610 may be a number of elements including a transmitter and a transceiver providing a means for communicating with various other apparatus over a transmission medium. The processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 600 in performing operations.
The processor 600 is responsible for managing the bus architecture and general processing, and the memory 620 may store data used by the processor 600 in performing operations.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
Furthermore, a computer-readable storage medium of an embodiment of the present invention stores a computer program executable by a processor to implement:
acquiring subscription information from a second network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges:
DNN, slice, and user-wide.
Wherein the method further comprises:
and processing according to the information.
Wherein the processing according to the information comprises:
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
Furthermore, a computer-readable storage medium of an embodiment of the present invention stores a computer program executable by a processor to implement:
sending subscription information to a first network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies.
Wherein the subscription information is for at least one of the following ranges: DNN, slice, and user-wide.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. A policy control method applied to a first network element, comprising:
acquiring subscription information from a second network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies;
wherein the subscription information is for at least one of the following ranges:
for data network names DNN, for slices.
2. The method of claim 1, further comprising:
and processing according to the information.
3. The method of claim 2, wherein the processing according to the information comprises:
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
4. The method of claim 1, wherein the first network element comprises at least one of: an access and mobility management function AMF, a session management function SMF.
5. A policy control method applied to a second network element, comprising:
sending subscription information to a first network element, wherein the subscription information comprises information used for representing that a strategy is opened or enabled, or the subscription information comprises information used for representing that the strategy is closed or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies;
wherein the subscription information is for at least one of the following ranges: for DNN, for slice.
6. The method of claim 5, wherein the second network element comprises: unified data management UDMs.
7. A policy control device, disposed in a first network element, comprising: a processor and a transceiver;
the processor is configured to acquire subscription information from a second network element, where the subscription information includes information used to indicate that a policy is turned on or enabled, or the subscription information includes information used to indicate that the policy is turned off or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies;
wherein the subscription information is for at least one of the following ranges:
for DNN, for slice.
8. The apparatus of claim 7, wherein the processor is further configured to perform processing based on the information.
9. The apparatus of claim 8, wherein the processor is further configured to,
requesting a session management policy to a third network element when the information indicates to open or enable the session management policy; when the information indicates that the session management policy is closed or not enabled, not requesting the session management policy from the third network element; or
Requesting a non-session management policy to the third network element when the information indicates to open or enable the non-session management policy; when the information indicates that a non-session management policy is closed or not enabled, not requesting a non-session management policy from the third network element.
10. The apparatus of claim 7, wherein the first network element comprises at least one of: AMF, SMF.
11. A policy control device, disposed in a second network element, comprising: a processor and a transceiver;
the transceiver is configured to send subscription information to a first network element, where the subscription information includes information used to indicate that a policy is turned on or enabled, or the subscription information includes information used to indicate that the policy is turned off or not enabled;
the policy includes at least one of the following policies:
a session management policy, a non-session management policy; or
The policy includes at least one of the following policies:
session management policies, user policies, access and mobility policies;
wherein the subscription information is for at least one of the following ranges: for DNN, for slice.
12. The apparatus of claim 11, wherein the second network element comprises: and (4) UDM.
13. A communication device, comprising: a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,
the processor, configured to read a program in the memory to implement the steps in the method according to any one of claims 1 to 4; or to implement a step in a method as claimed in any one of claims 5 to 6.
14. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the steps in the method according to any one of claims 1 to 4; or to implement a step in a method as claimed in any one of claims 5 to 6.
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| WO2007026268A1 (en) * | 2005-08-31 | 2007-03-08 | Nokia Corporation | Inter-access mobility and service control |
| CN101364882B (en) * | 2007-08-08 | 2011-01-05 | 华为技术有限公司 | Method, system and apparatus realizing off-line charging control |
| CN101505470B (en) * | 2008-02-04 | 2011-08-10 | 华为技术有限公司 | Policy control method and equipment |
| CN102137450B (en) * | 2010-11-17 | 2014-02-19 | 华为技术有限公司 | Strategy control method and device as well as gateway |
| CN104254071B (en) * | 2013-06-28 | 2017-12-15 | 中国电信股份有限公司 | PCC control methods and system in eHRPD network |
| CN105682068A (en) * | 2014-11-17 | 2016-06-15 | 中兴通讯股份有限公司 | Method, device and system for enabling policy and charging control (PCC) |
| CN107370615B (en) * | 2016-05-13 | 2020-12-01 | 中国移动通信集团辽宁有限公司 | Network policy control method and equipment |
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