CN112423347A

CN112423347A - QoS guarantee method and device

Info

Publication number: CN112423347A
Application number: CN202011205330.6A
Authority: CN
Inventors: 李静; 董秋丽; 曹亘; 杨艳; 冯毅; 李福昌
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-02-26
Anticipated expiration: 2040-11-02
Also published as: CN112423347B

Abstract

The embodiment of the application discloses a QoS guarantee method and a device, which relate to the technical field of communication and are used for dynamically adjusting the priority of a service executed by a network slice to ensure the QoS of the network slice. The method comprises the following steps: analyzing the number of services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice; analyzing parameters of the network slice, namely at least one of the data transmission rate of the service executed by the network slice, the number of users using the network slice, the data volume to be transmitted of the service executed by the network slice, the channel quality of the user using the network slice and the cell resource corresponding to the network slice, according to the priority of the network slice, and obtaining an analysis result for indicating whether the priority of the service executed by the network slice needs to be adjusted; and according to the analysis result, adjusting the priority of the service executed by the network slice.

Description

QoS guarantee method and device

Technical Field

The embodiment of the application relates to the technical field of communication, in particular to a QoS guarantee method and device.

Background

The fifth generation mobile communication technology (5th generation mobile networks, 5G) system introduced a network slicing technique. The SLA is an agreement between a service provider and a service user in terms of quality of service, service type, and the like, and the requirements of different SLAs can be mapped to corresponding quality of service (QoS) policies. A Differentiated Services Code Point (DSCP) is a QoS classification standard for differentiated services, that is, services, wherein the higher the DSCP value is, the higher the priority of the corresponding service is, and the QoS of the service can be better guaranteed.

In the prior art, according to the SLA that can be achieved by the network slice obtained by monitoring the network slice, the QoS policy corresponding to the network slice is adjusted to obtain the network slice that can meet the SLA requirements of the user. A mapping relationship exists between a 5G QoS identifier (5G QoS index, 5QI) and a service in a radio access network, and a mapping relationship exists between a DSCP and a service in a transmission network, so that the two mapping relationships are analyzed to obtain a 5QI and a DSCP corresponding to the same or similar service, thereby obtaining a mapping relationship between the 5QI and the DSCP. For example, the mapping relationship between the 5QI and the service in the radio access network may be as shown in fig. 1 (a), the mapping relationship between the DSCP and the service in the transmission network may be as shown in fig. 1 (b), and the mapping relationship between the 5QI and the DSCP may be obtained according to fig. 1 (a) and fig. 1 (b), for example, a mapping relationship exists between the 5QI1 and the DSCP46 corresponding to the voice related service, and a mapping relationship exists between the 5QI2 and the DSCP34 corresponding to the video related service. By using the mapping relation, the priority of a certain service and the QoS strategy corresponding to the service can be determined, thereby realizing the QoS guarantee of the service.

However, in the prior art, the mapping relationship between the 5QI in the radio access network corresponding to a certain service and the DSCP in the transmission network is fixed, that is, the priority of the service is fixed. If the QoS of the service executed by the network slice is poor, the priority of the service executed by the network slice may be fixed, and therefore, the SLA that can be realized by the network slice for executing the service cannot meet the user requirement, and the QoS guarantee effect of the network slice is poor.

Disclosure of Invention

The application provides a QoS guarantee method and device, which can adjust the priority of the service executed by a network slice based on the type and the number of the service executed by the network slice, the number of users using the network slice and the data volume to be transmitted of the service executed by the network slice, thereby guaranteeing the QoS of the network slice.

In order to achieve the purpose, the following technical scheme is adopted in the application:

in a first aspect, the present application provides a QoS securing method, including: first, the number of services executed by a network slice and the priority of the services executed by the network slice are analyzed to obtain the priority of the network slice. Then, according to the priority of the network slice, analyzing at least one of the parameters of the network slice, that is, the data transmission rate of the service executed by the network slice, the number of users using the network slice, the data amount to be transmitted of the service executed by the network slice, the channel quality of the user using the network slice, and the cell resource corresponding to the network slice, to obtain an analysis result, wherein the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted. And finally, adjusting the priority of the service executed by the network slice according to the obtained analysis result.

The data transmission rate of the service executed by the network slice, the number of users using the network slice, the channel quality of the users using the network slice, the data volume to be transmitted of the service executed by the network slice, and the cell resource corresponding to the network slice can all reflect the QoS of the network slice, and further reflect the QoS of the service executed by the network slice. Therefore, the QoS of the service executed by the network slice can be determined more accurately by analyzing the parameters of the network slice. Further, according to the analysis result obtained by analyzing the parameter capable of reflecting the QoS of the network slice, the priority of the service executed by the network slice can be dynamically adjusted to realize dynamic adjustment of the mapping relationship between the DSCP and the 5QI, so as to realize dynamic adjustment of the QoS policy corresponding to the service executed by the network slice. Therefore, through the above process, when the QoS of the network slice is poor, the QoS of the network slice can be guaranteed by dynamically adjusting the priority of the service executed by the network slice, that is, dynamically adjusting the QoS policy corresponding to the service executed by the network slice.

In one possible implementation, the priorities of the network slices include a high priority, a medium priority, and a low priority. The priorities of the traffic executed by the network slice include a high priority, a medium priority, and a low priority.

Through the above process, the network slice and the service executed by the network slice are divided into different priorities, and the QoS policies corresponding to the network slice and the service executed by the network slice can be determined according to the priority of the network slice and the priority of the service in the process of using the network slice, so that the QoS of the service executed by the network slice and the network slice is ensured.

In one possible implementation, before analyzing the number of services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice, the method further includes: and dividing the DSCP having a mapping relation with the service executed by the network slice into a DSCP high priority, a DSCP medium priority and a DSCP low priority. And then, according to the mapping relation between the services executed by the network slice and the DSCP, determining the priority of the services executed by the network slice to be high priority, medium priority or low priority.

In a possible implementation manner, the priority of the service corresponding to the DSCP high priority is a high priority, the priority of the service corresponding to the DSCP medium priority is a medium priority, and the priority of the service corresponding to the DSCP low priority is a low priority.

In the above process, since the DSCP can be used to represent the priority of the service, after the DSCP is divided into a DSCP high priority, a DSCP medium priority and a DSCP low priority, the priority of the service executed by the network slice can be determined as the high priority, the medium priority or the low priority according to the mapping relationship between the DSCP and the service executed by the network slice. After the priority of the service is determined according to the DSCP corresponding to the service, the QoS strategy corresponding to the service is further determined, and the QoS of the service is guaranteed through the QoS strategy.

In a possible implementation manner, the services with different priorities may further perform more detailed priority division of the services according to different values of the DSCPs corresponding to the services.

In one possible implementation, analyzing the number of services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice includes: if the ratio of the number of the services with the high priority executed by the network slice to the total number of the services executed by the network slice is greater than a first preset threshold, the priority of the network slice is the high priority; if the ratio of the number of the services with the medium priority executed by the network slice to the total number of the services executed by the network slice is greater than a second preset threshold, the priority of the network slice is the medium priority; and if the ratio of the number of the services with the low priority executed by the network slice to the total number of the services executed by the network slice is greater than a third preset threshold, the priority of the network slice is the low priority.

The priority of the network slice is determined by the priority of all the services executed by the network slice, and if the ratio of the number of the services of a certain priority in the services executed by the network slice to the number of the services executed by the network slice reaches a certain threshold, the network slice can be determined as the network slice of the priority, so as to determine the priority of the network slice.

In a possible implementation manner, analyzing parameters of the network slice according to a priority of the network slice to obtain an analysis result, including: if the priority of the network slice is high, analyzing the data transmission rate of the service executed by the network slice to obtain an analysis result; if the priority of the network slice is the middle priority, analyzing the number of users using the network slice and the channel quality of the users using the network slice to obtain an analysis result; and if the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result.

Through the process, different parameters of the network slices are analyzed respectively according to the priorities of the network slices to obtain analysis results, because the different parameters of the network slices can reflect the QoS of the network slices, the QoS guarantee effect of the network slices can be obtained by analyzing the different parameters of the network slices, and then the priorities corresponding to the services executed by the network slices and used for indicating whether the network slices need to be adjusted or not are determined according to the QoS guarantee effect, namely the analysis results are determined.

In a possible implementation manner, if the priority of the network slice is a high priority, analyzing the data transmission rate of the service executed by the network slice to obtain an analysis result, including: if the ratio of the number of the services of which the data transmission rate executed by the network slice does not exceed the preset rate threshold to the total number of the services executed by the network slice exceeds a fourth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice does not need to be adjusted.

Wherein the analysis result is further used for indicating data of the service executed by the network slice transmitted through a Virtual Local Area Network (VLAN).

When the QoS guarantee effect of the network slice with the high priority is poor, since the priority of the network slice is the highest priority, that is, the high priority, when the priority of the service executed by the network slice is adjusted, the QoS of the network slice cannot be changed, but a channel for transmitting data of the service executed by the network slice can be switched to a dedicated VLAN to transmit the data of the service executed by the network slice, so as to ensure the QoS of the service executed by the network slice, that is, the QoS of the network slice.

In a possible implementation manner, if the priority of the network slice is a medium priority, analyzing the number of users using the network slice and the channel quality of the users using the network slice to obtain an analysis result, including: and determining the number of users using the network slice and the number of target users using the network slice, wherein the target users are users of which the downlink channel quality is lower than a fifth preset threshold value. If the product of the first ratio and the second ratio is greater than a sixth preset threshold, the analysis result is used for indicating that the priority of the service executed by the network slice needs to be adjusted. The first ratio is the ratio of the number of target users using the network slice to the number of users using the network slice, and the second ratio is the ratio of the total number of services executed by the network slice to the number of users using the network slice.

The medium priority service includes more service types, and more users use the medium priority service. Generally, the QoS of medium priority traffic is poor due to poor channel quality of users. Therefore, the number of users using the network slice and the channel quality of the users using the network slice can be analyzed, so that an analysis result for indicating whether the priority of the service executed by the network slice needs to be adjusted can be obtained more accurately.

In one possible implementation, the cell resource corresponding to the network slice includes a Physical Resource Block (PRB) resource that is idle in the cell and all PRB resources in the cell. If the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result, wherein the analysis result comprises the following steps: and determining the number of target services in the services executed by the network slice, wherein the target services are services of which the data volume to be transmitted exceeds a seventh preset threshold value. If the number of the target services exceeds an eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice are greater than a ninth preset threshold, the analysis result is used to indicate that the priority of the service executed by the network slice needs to be adjusted. Or, if the number of the target services exceeds an eighth preset threshold and all PRB resources of the network slice are greater than a tenth preset threshold, the analysis result is used to indicate that the priority of the service executed by the network slice needs to be adjusted.

The majority of the services executed by the network slice with low priority are low-priority services, and the data volume of the low-priority services is large. Therefore, for a low-priority network slice, if the data size to be transmitted of the service executed by the network slice, the idle PRB resources in the cell corresponding to the network slice, and the number of PRBs used by the network slice can better reflect whether the QoS of the network slice is guaranteed. In conclusion, by analyzing the data, a more accurate analysis result can be obtained to determine whether to adjust the priority of the service executed by the network slice, so as to ensure the QoS of the low-priority network slice.

In one possible implementation, the analysis result includes a target DSCP corresponding to the service executed by the network slice. According to the analysis result, the priority of the service executed by the network slice is adjusted, which comprises the following steps: and according to the analysis result, adjusting the DSCP corresponding to the service executed by the network slice to be the target DSCP.

Through the process, when the parameters of the network slice are analyzed, the obtained analysis result comprises the target DSCP corresponding to the service executed by the network slice. That is to say, when analyzing the parameters of the network slice, the target DSCP corresponding to the service executed by the network slice may be determined, so as to adjust the priority of the service executed by the network slice according to the target DSCP, thereby implementing dynamic adjustment of the QoS policy corresponding to the service executed by the network slice, and ensuring the QoS of the service executed and the QoS of the network slice executing the service.

In a second aspect, the present application provides a QoS securing apparatus for implementing the method described in the first aspect. The QoS securing apparatus may include an analyzing unit and an adjusting unit: an analyzing unit for analyzing the number of the services executed by the network slice and the limitation of the services executed by the network slice, i.e. obtaining the priority of the network slice. The analysis unit is further configured to analyze, according to the priority of the network slice, parameters of the network slice, that is, at least one of a data transmission rate of a service executed by the network slice, the number of users using the network slice, a data amount to be transmitted of the service executed by the network slice, a channel quality of the user using the network slice, and a cell resource corresponding to the network slice, to obtain an analysis result. Wherein the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted. And the adjusting unit is used for adjusting the priority of the service executed by the network slice according to the obtained analysis result.

In a possible implementation manner, the QoS securing apparatus further includes a dividing unit and a determining unit. The dividing unit is used for dividing the DSCP having a mapping relation with the service executed by the network slice into a DSCP high priority, a DSCP medium priority and a DSCP low priority. The determining unit is configured to determine, according to a mapping relationship between a service executed by a network slice and the DSCP, that the priority of the service executed by the network slice is a high priority, a medium priority, or a low priority.

In a possible implementation manner, the analysis unit is specifically configured to: if the ratio of the number of the services with the high priority executed by the network slice to the total number of the services executed by the network slice is greater than a first preset threshold, the priority of the network slice is the high priority. If the ratio of the number of the services with the medium priority executed by the network slice to the total number of the services executed by the network slice is greater than a second preset threshold, the priority of the network slice is the medium priority. And if the ratio of the number of the services with the low priority executed by the network slice to the total number of the services executed by the network slice is greater than a third preset threshold, the priority of the network slice is the low priority.

In a possible implementation manner, the analysis unit is specifically further configured to, if the priority of the network slice is a high priority, analyze the data transmission rate of the service executed by the network slice to obtain an analysis result. And if the priority of the network slice is the middle priority, analyzing the number of the users using the network slice to obtain an analysis result. And if the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice to obtain an analysis result.

In a possible implementation manner, the analysis unit is further specifically configured to: if the ratio of the number of the services of which the data transmission rate executed by the network slice does not exceed the preset rate threshold to the total number of the services executed by the network slice exceeds a fourth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice does not need to be adjusted.

Wherein the analysis result is further used for indicating data of the service executed by the virtual local area network VLAN transmission network slice.

In a possible implementation manner, the analysis unit is further specifically configured to: and determining the number of users using the network slice and the number of target users using the network slice, wherein the target users are users of which the downlink channel quality is lower than a fifth preset threshold value. If the product of the first ratio and the second ratio is greater than a sixth preset threshold, the analysis result is used for indicating that the priority of the service executed by the network slice needs to be adjusted. The first ratio is the ratio of the number of target users using the network slice to the number of users using the network slice, and the second ratio is the ratio of the total number of services executed by the network slice to the number of users using the network slice.

In a possible implementation manner, the analysis unit is further specifically configured to: and determining the number of target services in the services executed by the network slice, wherein the target services are services of which the data volume to be transmitted exceeds a seventh preset threshold value. And if the number of the target services exceeds an eighth preset threshold and the idle Physical Resource Block (PRB) resource in the cell corresponding to the network slice is greater than a ninth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice needs to be adjusted. Or, if the number of the target services exceeds an eighth preset threshold and all PRB resources of the network slice are greater than a tenth preset threshold, the analysis result is used to indicate that the priority of the service executed by the network slice needs to be adjusted.

In one possible implementation, the analysis result includes a target DSCP corresponding to the service executed by the network slice. And the adjusting unit is specifically configured to adjust the DSCP corresponding to the service executed by the network slice to a target DSCP according to the analysis result.

In a third aspect, the present application provides a QoS securing apparatus, where the QoS securing apparatus may implement the functions in the above method examples, and the functions may be implemented by hardware or by hardware executing corresponding software. The hardware or software comprises one or more modules corresponding to the functions. The QoS securing apparatus may exist in a product form of a chip.

In a fourth aspect, the present application provides a QoS securing apparatus, comprising a processor and a memory, the memory being connected to the processor, the memory being configured to store computer instructions, and when the processor executes the computer instructions, the apparatus performs the QoS securing method according to the first aspect.

In a fifth aspect, the present application provides a QoS securing apparatus, which includes a processor and a transceiver, wherein the processor is configured to support the apparatus to perform corresponding functions in the above method. The transceiver is configured to support communication between the apparatus and other devices. The apparatus may also include a memory, coupled to the processor, that retains program instructions and data necessary for the apparatus.

In a sixth aspect, a computer-readable storage medium is provided, which includes instructions that, when executed on a computer, cause the computer to perform the QoS securing method provided in any one of the possible implementations of the first aspect.

In a seventh aspect, a computer program product containing instructions is provided, which when run on a computer, causes the computer to execute the QoS securing method provided in any one of the possible implementations of the first aspect.

In an eighth aspect, an embodiment of the present application provides a chip system, where the chip system includes a processor and may further include a memory, and is configured to implement a function in the QoS securing method provided in any one of the foregoing possible implementation manners of the first aspect. The chip system may be formed by a chip, and may also include a chip and other discrete devices.

It should be noted that, all possible implementation manners of any one of the above aspects may be combined without departing from the scope of the claims.

Drawings

Fig. 1 (a) is a schematic diagram of a mapping relationship between 5QI and services in a radio access network in the prior art;

fig. 1 (b) is a schematic diagram of a mapping relationship between DSCPs and services in a transmission network in the prior art;

fig. 2 is a first schematic structural diagram of a QoS securing apparatus provided in the present application;

fig. 3 is a schematic flow chart of a QoS securing method provided in the present application;

fig. 4 is a schematic diagram of a mapping relationship between a DSCP and a service in a transmission network according to the present application;

fig. 5 is a schematic structural diagram of a QoS securing apparatus according to the present application.

Detailed Description

The terms "first," "second," and "third," etc. in the description and claims of this application and the above-described drawings are used for distinguishing between different objects and not for limiting a particular order.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present relevant concepts in a concrete fashion for ease of understanding.

In the description of the present application, a "/" indicates a relationship in which the objects associated before and after are an "or", for example, a/B may indicate a or B; in the present application, "and/or" is only an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. Also, in the description of the present application, "a plurality" means two or more than two unless otherwise specified. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.

Network slicing is a new technology introduced in 5G systems, which can be understood as a set of logical network functions supporting the communication service requirements of a specific usage scenario or business model, based on the implementation of services by physical infrastructure. The logical network function may be regarded as a series of sub-functions (NSF) decomposed from Network Functions (NF) under a 5G core (5G core, 5 GC).

Network slicing is an end-to-end solution, and can be applied to a core network, a wireless access network (RAN), or a bearer network. That is, the network slice includes a radio subslice, a bearer subslice, and a core network subslice. For the core network sub-slice, the 3GPP standard defines the overall architecture of the network slice, which can satisfy the isolation requirements in many aspects such as resource guarantee, security, reliability/availability, and the like, and specifically to each technical domain, the network slice can support various different resource isolation and sharing modes to adapt to the performance, function and isolation requirements of the same level. The wireless sub-slice is responsible for service isolation and SLA guarantee at the wireless access side, and can jointly adjust end-to-end transmission resources by combining a core network and a bearer network, thereby guaranteeing the SLA requirements of services. The bearer sub-slice is responsible for connecting the wireless sub-slice with the core network sub-slice, and bears the important roles of long/short distance safe transmission of service data under the condition of large bandwidth network connection, strict physical isolation and stable SLA guarantee.

The network slice can divide the physical network on the end-to-end level according to specific service scenes and requirements so as to realize the optimal flow/data grouping, isolate other users and configure network resources on the macro level according to needs. Specific service scenes in the 5G system can be predicted based on the existing service development trend and can be divided into three types, namely, an enhanced mobile broadband (eMBB) scene, a large-scale internet of things (mtc) scene, and a low-latency and low-reliability service access scene (urrllc). These three scenarios have different transmission characteristics. For example, there are typically very many devices in an mtc, but the throughput per device may be very low. In contrast to mtc, eMBB has fewer devices, but each device transmits or receives a large amount of content over a larger bandwidth.

With the diversification of future services and access scenes, the sub-slices of the RAN, namely the wireless sub-slices, have the characteristic of flexible open deployment and the network slice sensing capability of flexibly allocating wireless resources as required, and can support resource isolation among network slices based on services. The wireless sub-slice has a mapping relationship with a slice Identity (ID) and a configuration policy. The wireless sub-slices can complete corresponding network services through scheduling and configuration of different layers L1/L2, namely after the wireless sub-slices acquire slice IDs from the core network sub-slices, different configuration strategies are adopted according to the different slice IDs to guarantee the differentiated SLA requirements of the wireless sub-slices.

The basic granularity of a network slice is a Protocol Data Unit (PDU) Session (Session), one network slice used by the UE may include 1 or more PDU sessions (i.e., one or more services are established on one network slice used by the UE), and one PDU Session may include multiple logical channels. And the UE sends uplink or downlink data on the logical channel. The core network may establish multiple slices, multiple PDU sessions, and multiple logical channels for one UE according to service requirements.

In the embodiments of the present application, at least one may also be described as one or more, and a plurality may be two, three, four or more, which is not limited in the present application.

For example, the application can be applied to a 5G communication scenario, and can also be applied to other communication scenarios that can use network slices.

In specific implementation, fig. 2 is a schematic diagram illustrating a QoS securing apparatus provided in an embodiment of the present application, where the QoS securing apparatus may be a chip in a certain device or a system on a chip. As shown in fig. 2, the QoS securing apparatus includes a processor 201, a transceiver 202, and a communication line 203.

Further, the QoS securing apparatus may further include a memory 204. The processor 201, the memory 204 and the transceiver 202 may be connected via a communication line 203.

The processor 201 is a Central Processing Unit (CPU), a general purpose processor Network (NP), a Digital Signal Processor (DSP), a microprocessor, a microcontroller, a Programmable Logic Device (PLD), or any combination thereof. The processor 201 may also be other devices with processing functions, such as, without limitation, a circuit, a device, or a software module.

A transceiver 202 for communicating with other devices or other communication networks. The other communication network may be an ethernet, a Radio Access Network (RAN), a Wireless Local Area Network (WLAN), or the like. The transceiver 202 may be a module, a circuit, a transceiver, or any device capable of enabling communication.

A communication line 203 for transmitting information between the respective components included in the QoS securing apparatus.

A memory 204 for storing instructions. Wherein the instructions may be a computer program.

The memory 204 may be a read-only memory (ROM) or other types of static storage devices that can store static information and/or instructions, a Random Access Memory (RAM) or other types of dynamic storage devices that can store information and/or instructions, an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), a magnetic disc storage medium or other magnetic storage devices, and the like, without limitation.

It is noted that the memory 204 may exist separately from the processor 201 or may be integrated with the processor 201. The memory 204 may be used for storing instructions or program code or some data etc. The memory 204 may be located inside the QoS security device or outside the QoS security device, and is not limited. The processor 201 is configured to execute the instructions stored in the memory 204 to implement the QoS securing method provided in the following embodiments of the present application.

In one example, processor 201 may include one or more CPUs, such as CPU0 and CPU1 in fig. 2.

As an alternative implementation, the QoS securing apparatus includes multiple processors, for example, the processor 207 may be included in addition to the processor 201 in fig. 2.

As an optional implementation manner, the QoS securing apparatus further includes an output device 205 and an input device 206. Illustratively, the input device 206 is a keyboard, mouse, microphone, or joystick, among other devices, and the output device 205 is a display screen, speaker (spaker), among other devices.

It is noted that the QoS securing apparatus may be a device having a similar structure as in fig. 2. Further, the constituent structures shown in fig. 2 do not constitute limitations on the QoS securing apparatus, and the QoS securing apparatus may include more or less components than those shown in fig. 2, or may combine some components, or a different arrangement of components, in addition to the components shown in fig. 2.

In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.

In addition, acts, terms, and the like referred to between the embodiments of the present application may be mutually referenced and are not limited. In the embodiment of the present application, information or names of interactions between devices are merely an example, and other names may also be used in specific implementations, which is not limited.

The QoS securing method proposed by the present application is described below with reference to the drawings, and the QoS securing apparatus described in the following embodiments may have the components shown in fig. 2.

In order to solve the problems that in the prior art, when the QoS of a service is poor, the requirement that an SLA cannot be realized by a network slice for executing the service due to the fixed priority of the service, and the QoS guarantee effect of the network slice is poor, the QoS guarantee method is provided. The executing subject of the method may be the QoS securing apparatus shown in fig. 2, or may be a processor in the QoS securing apparatus shown in fig. 2. As shown in fig. 3, the method includes steps S301 to S303:

s301, analyzing the number of the services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice.

Wherein the priorities of the network slices include a high priority, a medium priority and a low priority. That is, the network slices include a high priority network slice, a medium priority network slice, and a low priority network slice. The priorities of the traffic executed by the network slice include a high priority, a medium priority, and a low priority. That is, the traffic performed by the network slice includes high priority traffic, medium priority traffic, and low priority traffic.

Alternatively, the priority of the network slice, i.e., the category of the network slice, may be determined according to the priority of the traffic executed by the network slice.

In a possible implementation manner, when the number of services that can be mapped to the DSCP corresponding to the DSCP high priority is large in the services executed by the network slice, determining that the priority of the network slice is the high priority, that is, the network slice is the high priority network slice; when the number of services which can be mapped to the DSCP corresponding to the priority in the DSCP is large in the services executed by the network slice, determining that the priority of the network slice is a medium priority, namely the network slice is a medium priority network slice; when the number of services that can be mapped to the DSCP corresponding to the low priority of the DSCP is large in the services executed by the network slice, it is determined that the priority of the network slice is the low priority, that is, the network slice is the low priority network slice.

Specifically, if the ratio of the number of services with high priority executed by the network slice to the total number of services executed by the network slice is greater than a first preset threshold, the priority of the network slice is high priority; if the ratio of the number of the services with the medium priority executed by the network slice to the total number of the services executed by the network slice is greater than a second preset threshold, the priority of the network slice is the medium priority; and if the ratio of the number of the services with the low priority executed by the network slice to the total number of the services executed by the network slice is greater than a third preset threshold, the priority of the network slice is the low priority.

The first preset threshold, the second preset threshold and the third preset threshold may be the same or different, and may be predetermined according to an actual application situation.

Illustratively, for a network slice 1, the network slice 1 is used to execute 5 services, which are service a, service b, service c, service d, and service e, respectively. The first preset threshold is 0.5, the second preset threshold is 0.6, the third preset threshold is 0.3, the priorities of the service a, the service c and the service d are high priorities, and the priorities of the service b and the service e are medium priorities. That is, the ratio of the number of the traffic whose priority is high performed by the network slice 1 to the total number of the traffic performed by the network slice 1 is 0.6, 0.6> 0.5; the ratio of the number of the services with the medium priority executed by the network slice 1 to the total number of the services executed by the network slice 1 is 0.4, and 0.4< 0.6; the priority performed by network slice 1 is the number of low priority traffic, and the ratio to the total number of traffic performed by network slice 1 is 0, 0< 0.3. Therefore, the priority of the network slice 1 is a high priority, that is, the network slice 1 is a high priority network slice.

It should be noted that the priority of the network slice may be represented by the priority of the service executed by the network slice. Therefore, according to the number of high-priority services, the number of medium-priority services, and the number of low-priority services in the services executed by the network slice, whether the ratio of the total number of services executed by the network slice to the total number of services executed by the network slice exceeds the corresponding preset threshold value, that is, the priority of most of the services in the services executed by the network slice, the priority of the network slice can be determined more accurately.

Optionally, before analyzing the number of the services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice, the DSCP having the mapping relationship with the services executed by the network slice may be divided into a DSCP high priority, a DSCP medium priority and a DSCP low priority. Then, according to the mapping relationship between the service executed by the network slice and the DSCP, the priority of the service executed by the network slice can be determined to be high priority, medium priority or low priority.

The DSCP may be used to indicate the priority of the service, and the DSCP is further divided into a DSCP high priority, a DSCP medium priority, and a DSCP low priority, so that the priority of the service executed by the network slice may be determined as a high priority, a medium priority, or a low priority according to a mapping relationship between the DSCP and the service executed by the network slice. The service corresponding to the high priority of the DSCP is a high priority service, the service corresponding to the medium priority of the DSCP is a medium priority service, and the service corresponding to the low priority of the DSCP is a low priority service. The services with different priorities can further perform more detailed service priority division according to different values of the corresponding DSCPs.

In a possible implementation manner, the DSCP in the first value range is determined as the high priority of the DSCP, the DSCP in the second value range is determined as the medium priority of the DSCP, and the DSCP in the third value range is determined as the low priority of the DSCP. Correspondingly, the priority of the service corresponding to the DSCP in the first value range is determined as a high priority, the priority of the service corresponding to the DSCP in the second value range is determined as a medium priority, and the priority of the service corresponding to the DSCP in the third value range is determined as a low priority.

For example, as shown in fig. 4, when the value of the DSCP is 56-62 or 48, a column of the service corresponds to reserved, that is, when the value of the DSCP is 56-62 or 48, the service corresponding to the DSCP is reserved. That is, the user can add services to the reserved column according to the requirement. The DSCP value corresponding to the DSCP high priority includes 46, 34 or 26, and the service corresponding to the DSCP value can be Voice bearer Voice transmission, Video-data traffic Video data transmission or Mission-critical data key service data, etc. That is, the priority of the service such as Voice bearer, Video-data traffic, or session-critical data is high priority. The DSCP values corresponding to the priority in the DSCP include 18, 20, 22, 8, 10, 12, 14, etc., and the services corresponding to the DSCP values may be Transactional data transaction data, a Scavenger recycle bin, Bulk data of Bulk data, etc. That is, the priority of the traffic such as transaction data, Scavenger or Bulk data is a medium priority. The DSCP value corresponding to the DSCP low priority includes 0, 2, 8, 4, 6, etc., and the service corresponding to the DSCP value may be Best-effort data or Less Best-effort data. That is, the priority of the traffic such as Best-effort data or Less-than-Best-effort data is low priority.

S302, analyzing the parameters of the network slice according to the priority of the network slice to obtain an analysis result.

The parameters of the network include at least one of a data transmission rate of the network slice, the number of users using the network slice, a data amount to be transmitted of a service executed by the network slice, a channel quality of a user using the network slice, and a cell resource corresponding to the network slice. The analysis result is used to indicate whether the priority of the traffic executed by the network slice needs to be adjusted.

Optionally, according to the priority of the network slice, at least one of a data transmission rate of a service executed by the network slice, the number of users using the network slice, a data amount to be transmitted of the service executed by the user slice, a channel quality of the user using the network slice, and a cell resource corresponding to the network slice is analyzed, so as to obtain an analysis result. And if the ratio of the number of the first target network slices to the total number of the network slices used by the UE is greater than a preset ratio, activating a target secondary cell.

In one possible implementation, first, the network slice is prioritized, i.e., the network slice is prioritized. If the network slice is a high-priority network slice, analyzing the data transmission rate of the network slice to obtain an analysis result; if the network slice is a medium-priority network slice, analyzing the number of users using the network slice and the channel quality of the users using the network slice to obtain an analysis result; and if the network slice is a low-priority network slice, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result.

Specifically, for a high-priority network slice, if the ratio of the number of services whose data transmission rate does not exceed the preset rate threshold to the total number of services executed by the network slice in the services executed by the network slice exceeds a fourth preset threshold, the ratio is determined. That is, the QoS of the traffic executed by the network slice cannot be guaranteed. At this time, the analysis result obtained by analyzing the data transmission rate of the service executed by the network slice indicates that the priority of the service executed by the network slice does not need to be adjusted, but the analysis result indicates that the high-priority network slice transmits the data of the service executed by the network slice through a specific virtual local area network VLAN, so as to guarantee the QoS of the service executed by the network slice, and further guarantee the QoS of the network slice. In addition, for a high-priority network slice, if the ratio of the number of services whose data transmission rate does not exceed the preset rate threshold to the total number of services executed by the network slice in the services executed by the network slice does not exceed the fourth preset threshold. That is, the QoS of the service executed by the network slice can be guaranteed. At this time, the analysis result obtained by analyzing the data transmission rate of the traffic executed by the network slice only indicates that there is no need to adjust the priority of the traffic executed by the network slice.

When there is a high-priority VLAN (i.e., a VLAN with more idle resources or more available resources), the analysis result obtained by analyzing the parameter of the high-priority network slice may be used to instruct the high-priority network slice to transmit data of a service executed by the network slice through the high-priority VLAN.

In a possible implementation manner, the preset rate threshold may be a Guaranteed Bit Rate (GBR), or the preset rate threshold may also be another preset rate, or a rate determined according to the current application scenario.

Illustratively, for a high priority network slice, i.e., network slice 2, the network slice 2 is used to execute 7 services, the data transmission rates of the 7 services are a, b, c, d, e, f and g, the preset rate threshold is h, and the fourth preset threshold is 0.8. Wherein a > b > c > e > f > h > g ═ d. That is, among the services executed by the network slice 2, the data transmission rate of 5 services exceeds the preset rate threshold, and the data transmission rate of 2 services does not exceed the preset rate threshold. The ratio of the number of the services whose data transmission rate does not exceed the preset rate threshold to the total number of the services executed by the network slice 2 in the services executed by the network slice 2 is 2/7, 2/7>0.2, that is, the QoS of the services executed by the network slice 2 cannot be guaranteed, that is, the QoS of the network slice 2 cannot be guaranteed. Therefore, the analysis result obtained by analyzing the data transmission rate of the traffic executed by the network slice 2 indicates that the priority of the executed traffic of the network slice 2 does not need to be adjusted, but the analysis result instructs the network slice 2 to transmit the data of the traffic executed by the network slice 2 through the VLAN to guarantee the QoS of the network slice 2.

Specifically, the channel quality of the user using the network slice may refer to a downlink channel quality. For a network slice of medium priority, the number of target users among the users using the network slice, and the number of users using the network slice are first determined. And the target user is a user with the downlink channel quality lower than a fifth preset threshold value. Then, a product of the first ratio and the second ratio, that is, a product of the number of target users using the network slice and the total number of users using the network slice, and a product of the total number of services performed by the network slice and the total number of users using the network slice, is determined. If the product is greater than the sixth preset threshold, that is, the QoS of the service executed by the network slice cannot be guaranteed. At this time, the analysis result obtained by the user using the network slice is analyzed, indicating that the priority of the service executed by the network slice needs to be adjusted. If the product is not greater than the sixth preset threshold, that is, the QoS of the service executed by the network slice can be guaranteed, at this time, the analysis result obtained by analyzing the number of users using the network slice indicates that the priority of the service executed by the network slice does not need to be adjusted.

The fifth preset threshold and the sixth preset threshold may be predetermined, or may be determined according to the current application scenario.

For example, the parameter for determining the quality of the downlink channel of the user may be a signal-to-noise ratio of the downlink channel, and if a value of the signal-to-noise ratio of the downlink channel of a certain user is smaller than a fifth preset threshold, the user is the target user.

Illustratively, the total number of users using the medium priority network slice, i.e., network slice 3, is 5, the 5 users are user 1, user 2, user 3, user 4, and user 5, respectively, and the 5 users perform service a, service b, service c, service d, and service e using network slice 3, respectively. Of course, one user may use the same network slice to execute at least one service, which is illustrated in this example as one user executing one service through network slice 3. Taking the parameter for determining the quality of the downlink channel of the user as the signal-to-noise ratio of the downlink channel as an example, the signal-to-noise ratios of the downlink channels used by the 5 users are a1, b1, c1, d1 and e1, respectively. If the fifth preset threshold is f, and a1< b1< e1 ═ f < c1< d1, the number of target users among the users using the network slice 3 is 3. The ratio of the number 3 of target users using the network slice 3 to the total number 5 of users using the network slice 3 is 0.6, and the ratio of the total number 5 of services performed by the network slice 3 to the total number 5 of users using the network slice 3 is 1, and 0.6 × 1 is 0.6. If the sixth preset threshold is 0.7, 0.7>0.6, that is, the QoS of the service executed by the network slice 3 can be guaranteed, at this time, the analysis result obtained by analyzing the number of users using the network slice 3 and the channel quality of the user using the network slice 3 indicates that the priority of the service executed by the network slice 3 does not need to be adjusted.

It should be noted that the second ratio is a ratio of the total number of services executed by the network slice to the number of users using the network slice, that is, the larger the value of the second ratio is, the more services executed by the network slice are, and the smaller the value of the second ratio is, the less services executed by the network slice are. The first ratio is a ratio of the number of target users with poor downlink channel quality of the network slice to the total number of users using the network slice, that is, the higher the first ratio is, the more target users using the network slice are indicated, and the lower the first ratio is, the less target users using the network slice are indicated. If the product of the first ratio and the second ratio is greater than the sixth preset threshold, it indicates that the first ratio is higher and/or the second ratio is higher, that is, there are more target users with poor channel quality using the network slice and/or there are more services executed by the network slice. At this time, the QoS of the network slice may be poor, and thus, the priority of the traffic executed by the network slice needs to be adjusted.

In a possible implementation manner, the cell resource corresponding to the network slice includes an idle PRB resource in the cell corresponding to the network slice and all PRB resources corresponding to the network slice (that is, all PRB resources used by the cell corresponding to the network slice).

Specifically, for a network slice with low priority, a target service is determined according to the amount of data to be transmitted of a service executed by the network slice. And the target service is the service of which the data volume to be transmitted in the services executed by the network slice exceeds a seventh preset threshold value. Then, the number of target services among the services performed by the network slice is determined. If the number of the target services exceeds an eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice are greater than a ninth preset threshold, the QoS of the network slice cannot be guaranteed. Or, if the number of the target services exceeds an eighth preset threshold and all PRB resources in the network slice are greater than a tenth preset threshold, the QoS of the network slice cannot be guaranteed. At this time, the obtained analysis result indicates that the priority of the service executed by the network slice needs to be adjusted. That is, if the number of target services does not exceed the eighth preset threshold, the QoS of the network slice may be guaranteed. If the number of the target services exceeds the eighth preset threshold, but the idle PRB resources in the cell corresponding to the network slice are not greater than the ninth preset threshold, or all PRB resources in the network slice are not greater than the tenth preset threshold, the QoS of the network slice may be guaranteed. At this time, the obtained analysis result indicates that there is no need to adjust the priority of the traffic executed by the network slice.

The seventh preset threshold, the eighth preset threshold, the ninth preset threshold, and the tenth preset threshold may be predetermined or determined according to a current application scenario.

Illustratively, the seventh preset threshold is a, the eighth preset threshold is B, the ninth preset threshold is C, and the tenth preset threshold is D. Taking a network slice 4 as an example, which is a network slice with a low priority, the network slice 4 executes 4 services, namely service 1, service 2, service 3 and service 4, the data amounts to be transmitted of the 4 services are a1, a2, a3 and a4, the amount of idle PRB resources in a cell corresponding to the network slice 4 is b, and the amount of all PRB resources in the network slice 4 is c. If the relation between the amount of data to be transmitted of the 4 services executed by the network slice 4 and the seventh preset threshold a is a4> a1> a2> a3, the number of the target services in the services executed by the network slice 4 is 3. If the network slice 4 satisfies at least one of 3> B, B > C, C > D, analyzing the data amount to be transmitted of the service executed by the network slice 4 and the cell resource corresponding to the network slice 4, and the obtained analysis result indicates that the priority of the 4 services executed by the network slice 4 needs to be adjusted.

In a possible implementation manner, for a network slice with a low priority, after determining a target service in services executed by the network slice according to a data amount to be transmitted of the services executed by the network slice and a seventh preset threshold, if a ratio of a number of the target service to a total number of the services executed by the network slice exceeds an eighth preset threshold, and an idle PRB resource in a cell corresponding to the network slice is greater than a ninth preset threshold, or a ratio of the number of the target service to the total number of the services executed by the network slice exceeds an eighth preset threshold, and all PRB resources in the network slice are greater than a tenth preset threshold, QoS of the network slice cannot be guaranteed, and an obtained analysis result indicates that the priority of the services executed by the network slice needs to be adjusted. That is to say, if the ratio of the number of the target services to the total number of the services executed by the network slice does not exceed the eighth preset threshold, or if the ratio of the number of the target services to the total number of the services executed by the network slice exceeds the eighth preset threshold, the idle PRB resources in the cell corresponding to the network slice are not greater than the ninth preset threshold, and all PRB resources in the cell corresponding to the network slice are not greater than the tenth preset threshold, then the QoS of the network slice may be guaranteed, and the analysis result indicates that the priority of the services executed by the network slice does not need to be adjusted.

And S303, adjusting the priority of the service executed by the network slice according to the analysis result.

Wherein the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted.

Optionally, the DSCP corresponding to the service executed by the network slice is adjusted, so that the priority of the service can be changed, and the effect of guaranteeing the QoS of the service is achieved. Therefore, the DSCP corresponding to the service executed by the network slice may be adjusted to the target DSCP according to the analysis result obtained in step S302.

In a possible implementation manner, the analysis result further includes a target DSCP, and the target DSCP is determined according to a value of the DSCP corresponding to the service executed by the current network slice and whether QoS of the network slice is guaranteed.

Specifically, since the priorities of the services executed by the network slices can be divided into a high priority, a medium priority and a low priority, the following respectively introduces the analysis results corresponding to the network slices with different priorities and the process of adjusting the priorities of the services executed by the network slices according to the analysis results:

generally, a high-priority service is a service that needs to be heavily guaranteed by a network, and whether the QoS of the service is good or not can directly determine the feeling of a user when using the network. Such as voice traffic. For the high-priority network slice, whether the QoS of the high-priority network slice is guaranteed or not, the analysis result obtained in the step S302 indicates that the priority of the service executed by the high-priority network slice does not need to be adjusted. Therefore, the analysis result obtained by analyzing the high-priority network slice does not include the target DSCP. If the QoS of the high-priority network slice is guaranteed, the analysis result indicates that no operation is performed, and if the QoS of the high-priority network slice is not guaranteed, the analysis result indicates that the high-priority network slice uses a dedicated data transmission channel, such as a VLAN channel, to perform data transmission of the service executed by the high-priority network slice, so as to guarantee the QoS of the high-priority network slice.

The medium priority service includes more service types, and there are more users using the medium priority service, and if the user is located at an edge position covered by a network or at a position covered by the network, the channel quality of the user may be poor, and the QoS of the medium priority service used by the user may not be guaranteed. If the QoS of the medium-priority service is poor, the priority of the service may be adjusted to a higher priority, where the higher priority may be a high DSCP priority or a higher priority among the medium priorities. In a possible implementation manner, the DSCP corresponding to the medium priority service may be adjusted to be a target DSCP, and a value of the target DSCP is greater than a value of a currently corresponding DSCP, so as to ensure QoS of the medium priority service.

Illustratively, the medium priority network slice is a network slice 5, where the number of services executed by the network slice 5 is 7, which are service 1, service 2, service 3, service 4, service 5, service 6 and service 7, and the DSCP values of the 7 services are 18, 20, 22, 8, 10, 12 and 14, respectively. If the QoS of the medium-priority network slice, i.e., the network slice 5, is not guaranteed, the priority of the service executed by the network slice 5 is adjusted according to the analysis result. For example, the values of the DSCPs corresponding to the service 1, the service 2, and the service 3 are increased by 8, the value of the DSCP corresponding to the service 4 is increased by 18, and the values of the DSCPs corresponding to the service 5, the service 6, and the service 7 are increased by 16, 14, and 12, respectively, that is, the values of the DSCPs corresponding to the service 1, the service 2, the service 3, the service 4, the service 5, the service 6, and the service 7 are adjusted to 18, 20, 22, 26, 34, and 34, respectively. That is, the DSCP values 18, 20, 22, 26, 34 are the values of the target DSCP corresponding to the services 1 to 7, respectively. If the QoS of the network slice 5 can be guaranteed, the analysis result indicates that the priority of the service executed by the network slice 5 does not need to be adjusted, and at this time, the operation of adjusting the priority is not performed.

The data volume of the low-priority service is large, but the number of users using the low-priority service is small, and if more services with higher priority than the low priority are available in the current network, the QoS of the low-priority service may not be guaranteed. For a low-priority service, if the QoS of the low-priority service is poor, and the low-priority service has a large amount of data to be transmitted or a user using the low-priority service has additional resources to ensure the low-priority service, the priority of the low-priority service may be adjusted to be a higher priority, such as a medium priority or a higher priority of the low priority. That is, the DSCP corresponding to the low-priority service is adjusted to be the target DSCP, and the value of the target DSCP is greater than the value of the DSCP corresponding to the target DSCP currently, so as to ensure the QoS of the low-priority service.

Illustratively, the low-priority network slice is a network slice 6, where there are 4 services executed by the network slice 6, which are respectively a service 1, a service 2, a service 3, and a service 4, and values of DSCPs corresponding to the 4 services are respectively 0, 2, 4, and 6. If the QoS of the network slice 6 is not guaranteed, the priority of the service executed by the network slice 6 is adjusted according to the analysis result. For example, the values of the DSCPs corresponding to the services 1 to 4 are respectively increased by 8, that is, the values of the DSCPs corresponding to the services 1 to 4 are respectively adjusted to 8, 10, 12, and 14. That is, the DSCP values 8, 10, 12, and 14 are values of the target DSCP corresponding to the services 1 to 4, respectively. If the QoS of the network slice 6 can be guaranteed, the analysis result indicates that the priority of the service executed by the network slice 6 does not need to be adjusted, and at this time, the operation of adjusting the priority is not performed.

In one possible implementation, certain rules need to be followed when adjusting the priority of the traffic executed by the network slice. A brief description of possible rules is provided below in conjunction with fig. 4:

the DSCP low priority may be further divided into two gears (or two priorities, where the description of the gears is used to distinguish from the other priorities), that is, the DSCP low priority may be further divided into a DSCP low priority lowest gear and a DSCP low priority highest gear according to the difference of the DSCP values. Similarly, the priority in the DSCP may be further divided into a lowest priority in the DSCP, a middle priority in the DSCP, and a lowest priority in the DSCP; the DSCP high priority may be further divided into a DSCP high priority lowest gear, a DSCP high priority middle gear, and a DSCP high priority highest gear. According to the method and the device, the DSCP files corresponding to the services executed by the network slices which cannot guarantee the QoS can be adjusted according to the DSCP files corresponding to the DSCP values corresponding to the services, so that the priority of the services and the QoS guarantee strategy of the services are adjusted, and the QoS of the network slices is guaranteed.

Illustratively, the rule for adjusting the DSCP file corresponding to the service is as follows:

when the priority of a certain service A needs to be adjusted, if the DSCP value corresponding to the service A is the lowest DSCP value of the low priority, the DSCP value corresponding to the service A is adjusted to be the DSCP value corresponding to the lowest priority in the DSCP, so as to adjust the priority of the service A; if the DSCP grade corresponding to the service A is the lowest grade of the low priority of the DSCP, the DSCP value corresponding to the service A is adjusted to be the DSCP value corresponding to the middle grade of the medium priority of the DSCP; if the DSCP file corresponding to the service A is the lowest priority level in the DSCP, the DSCP value corresponding to the service A is adjusted to be the DSCP value corresponding to the highest priority level in the DSCP; if the DSCP grade corresponding to the service A is the middle grade of the DSCP medium priority, the DSCP value corresponding to the service A is adjusted to be the DSCP value corresponding to the lowest grade of the DSCP high priority; if the DSCP grade corresponding to the service is the highest grade of the priority in the DSCP, the DSCP value corresponding to the service A is adjusted to the DSCP value corresponding to the middle grade of the high priority of the DSCP; if the DSCP file corresponding to the service a is three high-priority DSCP files, the DSCP value corresponding to the service a is not adjusted, but the data of the service a is transmitted through the VLAN.

It should be noted that the rule for adjusting the DSCP file corresponding to the service may be preset, or may be determined according to an application scenario, a requirement, an actual service condition of the service, and the like, and is not limited to the adjustment rule given in the above example.

Through the process, the mapping relation between the DSCP and the 5QI is determined based on the same or similar services corresponding to the DSCP in the transmission network and the 5QI in the wireless access network, the priority of the services executed by the network slice is adjusted according to the QoS guarantee condition of the network slice, namely the value of the DSCP corresponding to the services executed by the network slice is adjusted, so that the mapping relation between the DSCP and the 5QI is dynamically adjusted, the QoS strategy corresponding to the services is adjusted, and further when the QoS of the network slice is poor, the QoS of the network slice is guaranteed by adjusting the QoS strategy corresponding to the services executed by the network slice.

The scheme provided by the embodiment of the application is introduced mainly from the perspective of the working principle of the QoS security device. It is understood that, in order to implement the above functions, the QoS securing apparatus includes a hardware structure and/or a software module corresponding to each function. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware 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 application.

In the embodiment of the present application, the QoS securing apparatus may perform the division of the function modules according to the method, for example, each function module may be divided corresponding to each function, or two or more functions may be integrated in one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation.

Fig. 5 shows a possible structure diagram of a QoS securing apparatus in the case of dividing each function module corresponding to each function. The QoS securing apparatus includes an analysis unit 401, an adjustment unit 402, a division unit 403, and a determination unit 404. Of course, the QoS provisioning apparatus may also include other modules, or the QoS provisioning apparatus may include fewer modules.

The analyzing unit 401 is configured to analyze the number of services executed by the network slice and the priority of the services executed by the network slice, so as to obtain the priority of the network slice.

Wherein the priorities of the network slices include a high priority, a medium priority and a low priority. The priorities of the traffic executed by the network slice include a high priority, a medium priority, and a low priority.

Optionally, before the analyzing unit 401 obtains the priority of the network slice, the dividing unit 403 is configured to divide the DSCP having a mapping relationship with the service executed by the network slice into a DSCP high priority, a DSCP medium priority, and a DSCP low priority. A determining unit 404, configured to determine, according to a mapping relationship between a service executed by a network slice and a DSCP, that a priority of the service executed by the network slice is a high priority, a medium priority, or a low priority.

Optionally, the analysis unit 401 is specifically configured to: if the ratio of the number of the services with the high priority executed by the network slice to the total number of the services executed by the network slice is greater than a first preset threshold, the priority of the network slice is the high priority. If the ratio of the number of the services with the medium priority executed by the network slice to the total number of the services executed by the network slice is greater than a second preset threshold, the priority of the network slice is the medium priority. And if the ratio of the number of the services with the low priority executed by the network slice to the total number of the services executed by the network slice is greater than a third preset threshold, the priority of the network slice is the low priority.

The analysis unit 401 is further configured to analyze, according to the priority of the network slice, parameters of the network slice, that is, at least one of a data transmission rate of a service executed by the network slice, the number of users using the network slice, a data amount to be transmitted of the service executed by the network slice, a channel quality of the user using the network slice, and a cell resource corresponding to the network slice, to obtain an analysis result. Wherein the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted.

Optionally, the analysis unit 401 is further specifically configured to, if the priority of the network slice is a high priority, analyze the data transmission rate of the service executed by the network slice, and obtain an analysis result. And if the priority of the network slice is the medium priority, analyzing the number of the users using the network slice and the channel quality of the users using the network slice to obtain an analysis result. And if the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result.

The analysis unit 401 is further specifically configured to: if the ratio of the number of the services of which the data transmission rate executed by the network slice does not exceed the preset rate threshold to the total number of the services executed by the network slice exceeds a fourth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice does not need to be adjusted. Wherein the analysis result is further used for indicating data of the service executed by the virtual local area network VLAN transmission network slice.

The analysis unit 401 is further specifically configured to: and determining the number of users using the network slice and the number of target users using the network slice, wherein the target users are users of which the downlink channel quality is lower than a fifth preset threshold value. If the product of the first ratio and the second ratio is greater than a sixth preset threshold, the analysis result is used for indicating that the priority of the service executed by the network slice needs to be adjusted. The first ratio is the ratio of the number of target users using the network slice to the number of users using the network slice, and the second ratio is the ratio of the total number of services executed by the network slice to the number of users using the network slice.

The analysis unit 401 is further specifically configured to: and determining the number of target services in the services executed by the network slice, wherein the target services are services of which the data volume to be transmitted exceeds a seventh preset threshold value. If the number of the target services exceeds an eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice are greater than a ninth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice needs to be adjusted; or the number of the target services exceeds an eighth preset threshold, and all PRB resources in the cell corresponding to the network slice are greater than a tenth preset threshold, the analysis result is used to indicate that the priority of the service executed by the network slice needs to be adjusted.

An adjusting unit 402, configured to adjust a priority of a service executed by the network slice according to the obtained analysis result.

Optionally, the analysis result further includes a target DSCP corresponding to a service executed by the network slice. The adjusting unit 402 is specifically configured to adjust, according to the analysis result, the DSCP corresponding to the service executed by the network slice to a target DSCP.

As described above, the QoS securing apparatus provided in the embodiments of the present application may be used to implement the functions in the method implemented in the embodiments of the present application, and for convenience of description, only the relevant portions of the embodiments of the present application are shown, and specific technical details are not disclosed.

The embodiment of the present application further provides a computer-readable storage medium, on which instructions are stored, and when executed, the instructions perform the QoS securing method in the foregoing method embodiment.

The embodiment of the present application further provides a computer program product containing instructions, which when executed on a computer, causes the computer to execute the QoS securing method in the foregoing method embodiment.

An embodiment of the present application further provides a chip system, where the chip system includes a processor, and is configured to implement the technical method according to the embodiment of the present application. In one possible design, the system-on-chip further includes a memory for storing program instructions and/or data necessary for the embodiments of the present application. In one possible design, the system-on-chip further includes a memory for the processor to call application code stored in the memory. The chip system may be composed of one or more chips, and may also include a chip and other discrete devices, which is not specifically limited in this embodiment of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

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 such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. 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.

The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application.

Claims

1. A QoS guarantee method is characterized in that the method comprises the following steps:

analyzing the number of services executed by a network slice and the priority of the services executed by the network slice to obtain the priority of the network slice;

analyzing the parameters of the network slices according to the priorities of the network slices to obtain analysis results; the parameters comprise at least one of data transmission rate of the service executed by the network slice, the number of users using the network slice, the amount of data to be transmitted of the service executed by the network slice, and channel quality of the users using the network slice and cell resources corresponding to the network slice; the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted or not;

and adjusting the priority of the service executed by the network slice according to the analysis result.

2. The QoS guarantee method of claim 1, wherein the priorities of the network slices comprise a high priority, a medium priority, and a low priority; the priorities of the traffic executed by the network slice include a high priority, a medium priority, and a low priority.

3. The QoS guarantee method of claim 1 or 2, wherein before analyzing the number of services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice, the method further comprises:

dividing the DSCP having a mapping relation with the service executed by the network slice into a DSCP high priority, a DSCP medium priority and a DSCP low priority;

and determining the priority of the service executed by the network slice as high priority, medium priority or low priority according to the mapping relation between the service executed by the network slice and the DSCP.

4. The QoS guarantee method of any one of claims 1 to 3, wherein the analyzing the number of services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice comprises:

if the ratio of the number of the services with the high priority executed by the network slice to the total number of the services executed by the network slice is greater than a first preset threshold, the priority of the network slice is the high priority;

if the ratio of the number of the services with the medium priority to the total number of the services executed by the network slice is greater than a second preset threshold, the priority of the network slice is the medium priority;

if the ratio of the number of the services with the low priority executed by the network slice to the total number of the services executed by the network slice is greater than a third preset threshold, the priority of the network slice is the low priority.

5. The QoS guarantee method of any one of claims 1 to 4, wherein the analyzing the parameters of the network slice according to the priority of the network slice to obtain an analysis result comprises:

if the priority of the network slice is high, analyzing the data transmission rate of the service executed by the network slice to obtain an analysis result;

if the priority of the network slice is a medium priority, analyzing the number of users using the network slice and the channel quality of the users using the network slice to obtain an analysis result;

and if the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result.

6. The QoS securing method according to claim 5, wherein if the priority of the network slice is a high priority, analyzing a data transmission rate of a service executed by the network slice to obtain an analysis result, comprising:

if the ratio of the number of the services of which the data transmission rate executed by the network slice does not exceed the preset rate threshold to the total number of the services executed by the network slice exceeds a fourth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice does not need to be adjusted.

7. The QoS guarantee method of claim 6, wherein the analysis result is further used for indicating data of a service executed by the network slice transmitted through a Virtual Local Area Network (VLAN).

8. The QoS guarantee method of claim 5, wherein if the priority of the network slice is a medium priority, analyzing the number of users using the network slice and the channel quality of the users using the network slice to obtain an analysis result, comprising:

determining the number of users using the network slice and the number of target users using the network slice, wherein the target users are users of which the downlink channel quality is lower than a fifth preset threshold;

if the product of the first ratio and the second ratio is greater than a sixth preset threshold, the analysis result is used for indicating that the priority of the service executed by the network slice needs to be adjusted; the first ratio is a ratio of the number of the target users to the number of users using the network slice, and the second ratio is a ratio of the total number of services performed by the network slice to the number of users using the network slice.

9. The QoS guarantee method of claim 5, wherein the cell resources corresponding to the network slice comprise idle Physical Resource Blocks (PRB) resources in the cell and all PRB resources in the cell;

if the priority of the network slice is low, analyzing the data volume to be transmitted of the service executed by the network slice and the cell resource corresponding to the network slice to obtain an analysis result, including:

determining the number of target services in services executed by the network slice, wherein the target services are services of which the data volume to be transmitted exceeds a seventh preset threshold;

if the number of the target services exceeds an eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice are greater than a ninth preset threshold, the analysis result is used for indicating that the priority of the services executed by the network slice needs to be adjusted; or, if the number of the target services exceeds an eighth preset threshold and all PRB resources in the cell corresponding to the network slice are greater than a tenth preset threshold, the analysis result is used to indicate that the priority of the service executed by the network slice needs to be adjusted.

10. The QoS securing method according to claim 8 or 9, wherein the analysis result includes a target DSCP corresponding to a service executed by the network slice; the adjusting the priority of the service executed by the network slice according to the analysis result includes:

and adjusting the DSCP corresponding to the service executed by the network slice to be the target DSCP according to the analysis result.

11. A QoS guarantee device is characterized by comprising an analysis unit and an adjustment unit;

the analysis unit is used for analyzing the number of the services executed by the network slice and the priority of the services executed by the network slice to obtain the priority of the network slice;

the analysis unit is further configured to analyze parameters of the network slices according to priorities of the network slices to obtain analysis results; the parameters comprise at least one of data transmission rate of the executed service, the number of users using the network slice, the data amount to be transmitted of the executed service of the network slice, and the channel quality of the users using the network slice and the cell resources corresponding to the network slice; the analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted or not;

and the adjusting unit is used for adjusting the priority of the service executed by the network slice according to the analysis result.

12. The QoS securing apparatus according to claim 11, wherein the priorities of the network slices include a high priority, a medium priority, and a low priority; the priorities of the traffic executed by the network slice include a high priority, a medium priority, and a low priority.

13. The QoS securing apparatus according to claim 11 or 12, characterized in that the apparatus further comprises a dividing unit and a determining unit;

the dividing unit is configured to divide the DSCP having a mapping relationship with the service executed by the network slice into a DSCP high priority, a DSCP medium priority, and a DSCP low priority;

the determining unit is configured to determine, according to a mapping relationship between a service executed by the network slice and the DSCP, that the priority of the service executed by the network slice is a high priority, a medium priority, or a low priority.

14. The QoS securing apparatus according to any one of claims 11 to 13, wherein the analyzing unit is specifically configured to:

15. The QoS securing apparatus according to any one of claims 11 to 14, wherein the analyzing unit is further configured to:

16. The QoS securing apparatus according to claim 15, wherein the analyzing unit is further configured to:

17. The QoS guarantee device of claim 16, wherein the analysis result is further used to indicate data of services executed by the network slice transmitted through a Virtual Local Area Network (VLAN).

18. The QoS securing apparatus according to claim 15, wherein the analyzing unit is further configured to:

19. The QoS guarantee apparatus of claim 15, wherein the cell resources corresponding to the network slice include idle Physical Resource Blocks (PRB) resources in the cell and all PRB resources in the cell;

the analysis unit is specifically further configured to:

20. The QoS securing apparatus according to claim 18 or 19, wherein the analysis result includes a target DSCP corresponding to a service executed by the network slice;

the adjusting unit is specifically configured to adjust, according to the analysis result, the DSCP corresponding to the service executed by the network slice to a target DSCP.

21. A QoS securing apparatus, comprising: a processor and a memory;

the memory is connected with the processor; the memory is configured to store computer instructions which, when executed by the processor, cause the QoS securing apparatus to perform the QoS securing method according to any one of claims 1 to 10.

22. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the QoS securing method of any of claims 1 to 10.

23. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the QoS securing method of any of claims 1 to 10.