CN112423347B

CN112423347B - QoS guarantee method and device

Info

Publication number: CN112423347B
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: 2023-08-11
Anticipated expiration: 2040-11-02
Also published as: CN112423347A

Abstract

The embodiment of the application discloses a QoS guarantee method and a QoS guarantee 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 and guaranteeing the QoS of the network slice. The method comprises the following steps: 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; according to the priority of the network slice, analyzing at least one of parameters of the network slice, namely, data transmission rate of the service executed by the network slice, number of users using the network slice, data quantity to be transmitted of the service executed by the network slice, channel quality of the users using the network slice and cell resources corresponding to the network slice, so as to obtain an analysis result for indicating whether the priority of the service executed by the network slice needs to be adjusted; and adjusting the priority of the service executed by the network slice according to the analysis result.

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 network slicing technology. An SLA is an agreement made by a service provider and a service consumer regarding quality of service, type of service, etc., and the requirements of different SLAs may be mapped to corresponding quality of service (quality of service, qoS) policies. The differentiated services code point (differentiated services code point, DSCP) is a QoS classification standard of differentiated services, i.e. each service, 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 available SLA of the network slice obtained by monitoring the network slice, the QoS policy corresponding to the network slice is adjusted, so as to obtain the network slice capable of meeting the SLA requirement of the user. A mapping relationship exists between the 5G QoS identifier (5G QoS indentity,5QI) and the service in the radio access network, and a mapping relationship exists between the DSCP and the service in the transport network, so that the two mapping relationships are analyzed, and 5QI and DSCP corresponding to the same or similar service can be obtained, thereby obtaining the mapping relationship between the 5QI and the DSCP. For example, the mapping relationship between 5QI and service in the radio access network may be as shown in fig. 1 (a), the mapping relationship between DSCP and service in the transport network may be as shown in fig. 1 (b), and according to fig. 1 (a) and fig. 1 (b), the mapping relationship between 5QI and DSCP may be obtained, for example, there is a mapping relationship between 5QI1 corresponding to a voice related service and DSCP46, and there is a mapping relationship between 5QI2 corresponding to a video related service and DSCP 34. By utilizing the mapping relation, the priority of a certain service and the QoS strategy corresponding to the service can be determined, so that the QoS guarantee of the service is realized.

However, in the prior art, the mapping relationship between 5QI in the radio access network corresponding to a certain service and DSCP in the transport 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 is fixed, so that the SLA that can be implemented 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 a QoS guarantee 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 of the network slice and the data quantity to be transmitted of the service executed by the network slice, thereby guaranteeing the QoS of the network slice.

In order to achieve the above purpose, the application adopts the following technical scheme:

in a first aspect, the present application provides a QoS securing method, the method comprising: first, the number of services performed by a network slice and the priority of the services performed by the network slice are analyzed, and the priority of the network slice is obtained. Then, according to the priority of the network slice, 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 amount of data to be transmitted of the service executed by the network slice, the channel quality of the users using the network slice, and the cell resources corresponding to the network slice is analyzed to obtain an analysis result, where the analysis result is used to indicate 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 amount of data to be transmitted of the service executed by the network slice, and the cell resources corresponding to the network slice can reflect the QoS of the network slice, and further reflect the QoS of the service executed by the network slice. Therefore, by analyzing the parameters of the network slice, the QoS of the service executed by the network slice can be accurately determined. 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 the dynamic adjustment of the mapping relationship between DSCP and 5QI, thereby realizing the dynamic adjustment of the QoS policy corresponding to the service executed by the network slice. Therefore, through the above process, the present application can ensure the QoS of the network slice by dynamically adjusting the priority of the service executed by the network slice when the QoS of the network slice is poor, i.e. 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 performed by the network slices include high priority, medium priority, and 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 network slice and the service executed by the network slice is ensured.

In one possible implementation, before analyzing the number of services performed by a network slice and the priority of the services performed by the network slice, the method further includes: the DSCP having a mapping relation with the traffic performed by the network slice is classified into a DSCP high priority, a DSCP medium priority, and a DSCP low priority. And then, 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.

In one possible implementation, 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 DSCP may be used to represent priority of a service, after DSCP is classified into DSCP high priority, DSCP medium priority, and DSCP low priority, priority of a service performed by a network slice may be determined as high priority, medium priority, or low priority according to a mapping relationship between DSCP and a service performed by a network slice. After determining the priority of the service according to the DSCP corresponding to the service, further determining the QoS strategy corresponding to the service, and guaranteeing the QoS of the service through the QoS strategy.

In one possible implementation, the services with different priorities may be further prioritized according to the different values of their corresponding DSCPs.

In one possible implementation, analyzing the number of services performed by a network slice and the priority of the services performed by the network slice to obtain the priority of the network slice includes: if the priority executed by the network slice is the number of the high-priority services and the ratio of the total number of the high-priority 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 priority executed by the network slice is the number of the services with medium priority and the ratio of 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 priority of the network slice is the number of the low-priority services and the ratio of the total number of the low-priority services to the total number of the low-priority services 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 priorities of all the services executed by the network slice, if the ratio of the number of the services with 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 with the certain priority can be determined to be the network slice with the certain priority, so that the priority of the network slice is determined.

In one possible implementation, according to the priority of the network slice, analyzing the parameters of the network slice to obtain an analysis result includes: 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 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 quantity 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 above process, according to the priority of the network slice, different parameters of the network slice are respectively analyzed to obtain an analysis result, and because the different parameters of the network slice can reflect the QoS of the network slice, the QoS guarantee effect of the network slice can be obtained by analyzing the different parameters of the network slice, and then according to the QoS guarantee effect, the priority corresponding to the service for indicating whether the network slice needs to be adjusted is determined, that is, the analysis result is determined.

In one possible implementation manner, 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 includes: if the data transmission rate executed by the network slice does not exceed the number of the services of the preset rate threshold, and the ratio of the total number of the services executed by the network slice exceeds the 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.

The analysis result is used for indicating the data of the traffic executed by the network slice transmitted through the virtual local area network (virtual local area network, VLAN).

When the QoS guarantee effect of the network slice with high priority is poor, the QoS of the network slice cannot be changed when the priority of the service executed by the network slice is adjusted because the priority of the network slice is the highest priority, that is, the high priority, but the channel for transmitting the 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 guarantee the QoS of the service executed by the network slice, that is, the QoS of the network slice.

In one possible implementation, 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 includes: 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 with the downlink channel quality 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 a 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 a ratio of the total number of services performed by the network slice to the number of users using the network slice.

The medium priority service includes a plurality of service types, and a plurality of users using the medium priority service. QoS for medium priority traffic is generally poor due to poor channel quality for the user. Accordingly, the number of users using the network slice and the channel quality of the users using the network slice can be analyzed, thereby more accurately obtaining an analysis result indicating whether the priority of the service performed by the network slice needs to be adjusted.

In one possible implementation, the cell resources corresponding to the network slice include free physical resource block (physical resource block, PRB) resources in the cell, as well as 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: and determining the number of target services in the services executed by the network slice, wherein the target services are services with the data quantity to be transmitted exceeding a seventh preset threshold value. If the number of the target services exceeds the eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice is greater than the 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 the eighth preset threshold and all PRB resources of the network slice are greater than the 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.

Most of the services executed by the low-priority network slice are low-priority services, and the data volume of the low-priority services is large. Therefore, for the low-priority network slice, if the data volume 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 summary, analysis of the data may result in a more accurate analysis result to determine whether to adjust the priority of the service executed by the network slice, thereby ensuring QoS of the low-priority network slice.

In one possible implementation, the analysis result includes a target DSCP for traffic performed by the network slice. According to the analysis result, adjusting the priority of the service executed by the network slice, including: and according to the analysis result, adjusting the DSCP corresponding to the service executed by the network slice to be a 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, when the parameters of the network slice are analyzed, the target DSCP corresponding to the service executed by the network slice can be determined, so that the priority of the service executed by the network slice can be adjusted according to the target DSCP, thereby realizing the dynamic adjustment of the QoS policy corresponding to the service executed by the network slice, and ensuring the QoS of the service 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 analysis unit and an adjustment unit: and the analysis unit is used for analyzing the quantity of the services executed by the network slice and the limitation of the services executed by the network slice, namely, obtaining the priority of the network slice. The analysis unit is further configured to analyze, according to the priority of the network slice, at least one of a parameter of the network slice, that is, a data transmission rate of a service executed by the network slice, a number of users using the network slice, an amount of data 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. 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 one possible implementation, the QoS securing apparatus further includes a dividing unit and a determining unit. The dividing unit is used for dividing DSCPs with mapping relation with services executed by network slices into DSCPs with high priority, DSCPs with medium priority and DSCPs with low priority. The determining unit is configured to determine, according to a mapping relationship between a service executed by a network slice and a DSCP, whether a priority of the service executed by the network slice is a high priority, a medium priority or a low priority.

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

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

In a possible implementation, the analysis unit is specifically further configured to: if the data transmission rate executed by the network slice does not exceed the number of the services of the preset rate threshold, and the ratio of 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 traffic performed by the transport network slice through the virtual local area network VLAN.

In a possible implementation, the analysis unit is specifically further 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 with the downlink channel quality 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 a 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 a ratio of the total number of services performed by the network slice to the number of users using the network slice.

In a possible implementation, the analysis unit is specifically further configured to: and determining the number of target services in the services executed by the network slice, wherein the target services are services with the data quantity to be transmitted exceeding a seventh preset threshold value. If the number of the target services exceeds an eighth preset threshold and the idle physical resource block PRB resources in the cell corresponding to the network slice is 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 the eighth preset threshold and all PRB resources of the network slice are greater than the 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 for traffic performed by the network slice. And the adjusting unit is specifically used for adjusting the DSCP corresponding to the service executed by the network slice to be 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, where the functions may be implemented by hardware, or may be implemented by executing corresponding software by hardware. The hardware or software comprises one or more modules corresponding to the functions. The QoS securing apparatus may exist in the form of a product of a chip.

In a fourth aspect, the present application provides a QoS securing apparatus comprising a processor and a memory coupled to the processor, the memory for storing computer instructions, the apparatus performing the QoS securing method as described in the first aspect when the processor executes the computer instructions.

In a fifth aspect, the present application provides a QoS securing apparatus comprising a processor and a transceiver, the processor being configured to support the apparatus to perform the corresponding functions of the above method. The transceiver is for supporting communication between the apparatus and other devices. The apparatus may also include a memory for coupling with the processor, which holds the program instructions and data necessary for the apparatus.

In a sixth aspect, there is provided a computer readable storage medium comprising instructions which, when run on a computer, cause the computer to perform the QoS securing method provided by any one of the possible implementations of the first aspect.

In a seventh aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the QoS securing method provided by any one of the possible implementations of the first aspect described above.

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, where the processor is configured to implement a function in a QoS securing method provided by any one of possible implementations of the first aspect. The chip system may be formed of a chip or may include a chip and other discrete devices.

The various possible implementations of any of the foregoing aspects may be combined without contradiction between the schemes.

Drawings

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

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

fig. 2 is a schematic structural diagram of a QoS securing apparatus according to 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 mapping relationship between DSCP and 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, third and the like in the description and in the claims and in the above-described figures, are used for distinguishing between different objects and not necessarily for limiting a particular order.

In embodiments of the application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion that may be readily understood.

In the description of the present application, unless otherwise indicated, "/" means that the objects associated in tandem are in a "or" relationship, e.g., A/B may represent A or B; the "and/or" in the present application is merely an association relationship describing the association object, and indicates that three relationships may exist, for example, a and/or B may indicate: there are three cases, a alone, a and B together, and B alone, wherein a, B may be singular or plural. Also, in the description of the present application, unless otherwise indicated, "a plurality" means two or more than two. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). 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 plural.

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

Network slicing is an end-to-end solution, applicable to core networks, radio access networks (wireless access network, RAN), bearer networks. I.e. the network slices comprise radio subslices, bearer subslices and core network subslices. For core network sub-slices, the 3GPP standard defines the overall architecture of the network slices, can meet the isolation requirements of multiple aspects such as resource guarantee, safety, reliability/availability and the like, and particularly can support a plurality of different resource isolation and sharing modes to adapt to the same-level performance, function and isolation requirements to each technical domain. The wireless sub-slice is responsible for service isolation and SLA guarantee of the wireless access side, can combine a core network and a bearing network, and can jointly adjust end-to-end transmission resources to guarantee service SLA requirements. The bearing sub-slice is responsible for connecting the wireless sub-slice and the core network sub-slice, and bears important responsibilities of long/short distance safe transmission of service data under the connection condition of a large bandwidth network, and strict physical isolation and stable SLA guarantee.

The network slice can divide the physical network on an end-to-end level according to specific service scenes and requirements so as to realize optimal flow/data grouping, isolate other users and configure network resources on a macroscopic level as required. The specific service scenarios in the 5G system can be predicted based on the existing service development trend and can be classified into three types, namely a large-bandwidth mobile access scenario (enhanced mobile broadband, eMBB), a large-scale internet of things access scenario (massive machine type of communication, mctc) and a low-delay high-reliability service access scenario (ultra-reliable and low latency communications, ul lc). These three scenarios have different transmission characteristics. For example, there are typically very many devices in mctc, but the throughput per device may be very low. In contrast to mctc, an eMBB has fewer devices, but each device sends 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 distributing wireless resources according to requirements can support the resource isolation among the network slices based on the services. The wireless sub-slice has a mapping relationship with a slice Identity (ID) and a configuration policy. The wireless sub-slice can complete corresponding network service through scheduling and configuration of different layers L1/L2, namely, after the wireless sub-slice obtains slice IDs from the core network sub-slice, different configuration strategies are adopted according to different slice IDs, so that differentiated SLA requirements of the wireless sub-slice are ensured.

The basic granularity of a network slice is a protocol data unit (protocol data unit, PDU) Session (Session), one network slice used by a UE may contain 1 or more PDU sessions (i.e., one network slice used by the UE has one or more services established thereon), and one PDU Session may contain multiple logical channels. The UE transmits uplink or downlink data on a logical channel. The core network may establish multiple slices, multiple PDU sessions, and multiple logical channels for one UE according to traffic demands.

In the embodiment 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, and the present application is not limited thereto.

The application is applicable to 5G communication scenarios, and also to other communication scenarios where network slicing may be used.

In particular, fig. 2 is a schematic diagram of a QoS securing apparatus according to an embodiment of the present application, where the QoS securing apparatus may be a chip or a system on a chip in a certain device. 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 by a communication line 203.

The processor 201 is a central processing unit (central processing unit, CPU), a general purpose processor network processor (network processor, NP), a digital signal processor (digital signal processing, DSP), a microprocessor, a microcontroller, a programmable logic device (programmable logic device, PLD), or any combination thereof. The processor 201 may also be other devices with processing functions, such as, without limitation, circuits, devices, or software modules.

A transceiver 202 for communicating with other devices or other communication networks. The other communication network may be an ethernet, a radio access network (radio access network, RAN), a wireless local area network (wireless local area networks, WLAN), etc. The transceiver 202 may be a module, circuitry, transceiver, or any device capable of enabling communications.

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

Memory 204 for storing instructions. Wherein the instructions may be computer programs.

The memory 204 may be, but is not limited to, a read-only memory (ROM) or other type of static storage device capable of storing static information and/or instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device capable of storing information and/or instructions, an EEPROM, a CD-ROM (compact disc read-only memory) or other optical disk storage, an optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage device, etc.

It should be noted that the memory 204 may exist separately from the processor 201 or may be integrated with the processor 201. Memory 204 may be used to store instructions or program code or some data, etc. The memory 204 may be located inside the QoS securing apparatus or outside the QoS securing apparatus, without limitation. The processor 201 is configured to execute instructions stored in the memory 204 to implement a 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 a plurality of processors, for example, a processor 207 may be included in addition to the processor 201 in fig. 2.

As an alternative implementation, 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 device, and the output device 205 is a display screen, speaker (spaker), or the like.

It should be noted that the QoS securing apparatus may be a device having a similar structure to that in fig. 2. Further, the constituent structure shown in fig. 2 does not constitute a limitation of 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 may be arranged in different components.

In the embodiment of the application, the chip system can be composed of chips, and can also comprise chips and other discrete devices.

Further, actions, terms, and the like, which are referred to between embodiments of the present application, are not limited thereto. Information, names, etc. of interactions between devices in the embodiment of the present application are only an example, and other names may be used in specific implementations without limitation.

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 be provided with the components shown in fig. 2.

In order to solve the problem that in the prior art, when the QoS of a service is poor, the network slice for executing the service cannot realize the SLA requirement due to the fixed priority of the service, and the QoS guarantee effect of the network slice is poor, the application provides a QoS guarantee method. The execution subject of the method may be the QoS securing apparatus shown in fig. 2, or may be a processor or the like 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.

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

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

In one possible implementation manner, when the number of services which can be mapped to the DSCP corresponding to the DSCP high priority is greater in the services executed by the network slice, determining that the priority of the network slice is high priority, that is, the network slice is a high priority network slice; in the services executed by the network slice, when the number of the services which can be mapped to the DSCP corresponding to the priority in the DSCP is large, determining the priority of the network slice as the middle priority, namely, the network slice is the middle priority network slice; among the services executed by the network slice, when the number of services which can be mapped to the DSCP corresponding to the DSCP low priority is large, the priority of the network slice is determined to be low priority, i.e. the network slice is determined to be a low priority network slice.

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

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

For example, for network slice 1, the network slice 1 is configured to perform 5 services, namely, service a, service b, service c, service d, and service e. The first preset threshold is 0.5, the second preset threshold is 0.6, the third preset threshold is 0.3, the priorities of service a, service c and service d are high priorities, and the priorities of service b and service e are medium priorities. That is, the ratio of the number of the high-priority traffic to the total number of the traffic performed by the network slice 1 is 0.6,0.6>0.5; the priority of the network slice 1 is the number of the business with medium priority, and the ratio of the total number of the business executed by the network slice 1 is 0.4,0.4<0.6; the ratio of the number of low priority traffic performed by the network slice 1 to the total number of traffic performed by the network slice 1 is 0,0<0.3. Therefore, the priority of the network slice 1 is high priority, that is, the network slice 1 is a high priority network slice.

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 the services executed by the network slice to the total number of the services executed by the network slice exceeds the corresponding preset threshold, that is, the priority of most of 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 classified into a DSCP high priority, a DSCP medium priority and a DSCP low priority. And then according to the mapping relation 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.

DSCP may be used to represent the priority of traffic, and DSCP is further divided into DSCP high priority, DSCP medium priority, and DSCP low priority, so that the priority of traffic performed by a network slice may be determined to be high priority, medium priority, or low priority according to the mapping relationship between DSCP and traffic performed by the network slice. Wherein, the service corresponding to the DSCP high priority is the service with high priority, the service corresponding to the DSCP medium priority is the service with medium priority, and the service corresponding to the DSCP low priority is the service with low priority. The priority of the service with different priorities can be further divided in more detail according to the different values of the corresponding DSCPs.

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

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

S302, analyzing 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 data transmission rate of the network slice, number of users using the network slice, amount of data to be transmitted of the service executed by the network slice, channel quality of the users using the network slice, and cell resources corresponding to the network slice. The analysis results are used to indicate whether the priority of the traffic performed by the network slice needs to be adjusted.

Optionally, according to the priority of the network slice, 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 amount of data to be transmitted of the service executed by the user slice, the channel quality of the user using the network slice, and the 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 priority of a network slice is determined, i.e., the priority of the network slice is determined. 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 quantity 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 the 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 performed by the network slice exceeds the fourth preset threshold. That is, qoS of traffic performed by the network slice cannot be guaranteed. At this time, an 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 ensure the QoS of the service executed by the network slice and further ensure the QoS of the network slice. In addition, for the high priority network slice, if 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 performed by the network slice does not exceed the fourth preset threshold. That is, qoS of traffic performed by the network slice can be guaranteed. At this time, the analysis result obtained by analyzing the data transmission rate of the service performed by the network slice only indicates that the priority of the service performed by the network slice does not need to be adjusted.

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

In one possible implementation, the preset rate threshold may be a guaranteed bit rate (guaranteed bit rate, GBR), or the preset rate threshold may be another preset rate, or a rate determined according to the current application scenario.

For example, for a high priority network slice, i.e., network slice 2, the network slice 2 is configured to perform 7 traffic, the data transmission rates of the 7 traffic are a, b, c, d, e, f and g, respectively, 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. Among the services executed by the network slice 2, 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 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 performed by the network slice 2 indicates that the priority of the performed traffic of the network slice 2 does not need to be adjusted, but the analysis result indicates that the network slice 2 transmits the data of the traffic performed by it through the VLAN to secure the QoS of the network slice 2.

Specifically, the channel quality of the user using the network slice may refer to the downlink channel quality. For a medium priority network slice, the number of target users among users using the network slice, and the number of users using the network slice, are first determined. The target user is a user whose downlink channel quality is lower than a fifth preset threshold. Then, a product of the first ratio and the second ratio, that is, a product of a ratio of a number of target users using the network slice to a total number of users using the network slice, and a ratio of a total number of services performed by the network slice to a total number of users using the network slice is determined. If this product is greater than the sixth preset threshold, that is, the QoS of the service performed by the network slice cannot be guaranteed. At this time, the analysis result obtained by the user who uses the network slice is analyzed, which indicates 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, 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 the signal-to-noise ratio of the downlink channel of a certain user is smaller than a fifth preset threshold, the user is a target user.

Illustratively, the total number of users using medium priority network slices, i.e., network slice 3, is 5, these 5 users are user 1, user 2, user 3, user 4, and user 5, respectively, and these 5 users perform service a, service b, service c, service d, and service e, respectively, using network slice 3. Of course, a user may perform at least one service using the same network slice, in this example illustrated by a user performing a service through network slice 3. Taking the parameters for determining the downlink channel quality of the users 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, 0.6x1=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 users 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, and the smaller the value of the second ratio is, the fewer services executed by the network slice are. The first ratio is the 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 fewer target users using the network slice are indicated. If the product of the first ratio and the second ratio is greater than a sixth preset threshold, it indicates that the first ratio is higher and/or the second ratio is higher, that is, more target users with poor channel quality using the network slice and/or more services executed by the network slice are used. At this time, the QoS of the network slice may be poor, and thus the priority of the traffic performed by the network slice needs to be adjusted.

In one possible implementation, the cell resources corresponding to a network slice include free PRB resources in the cell corresponding to the network slice, and all PRB resources corresponding to the network slice (i.e., all PRB resources used by the cell corresponding to the network slice).

Specifically, for a low-priority network slice, a target service is determined according to the amount of data to be transmitted of the service executed by the network slice. The target service is a service of which the data quantity to be transmitted exceeds a seventh preset threshold value in the services executed by the network slice. Subsequently, the number of target traffic in the traffic performed by the network slice is determined. If the number of the target services exceeds the eighth preset threshold and the idle PRB resources in the cell corresponding to the network slice is greater than the ninth preset threshold, qoS of the network slice cannot be guaranteed. Or if the number of the target services exceeds the eighth preset threshold and all PRB resources in the network slice are greater than the tenth preset threshold, qoS of the network slice cannot be guaranteed. At this point, the analysis results indicate that the priority of the traffic performed 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 point, the analysis results indicate that the priority of the traffic performed by the network slice does not need to be adjusted.

The seventh preset threshold, the eighth preset threshold, the ninth preset threshold and the tenth preset threshold may be predetermined or may be determined according to the 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 low-priority network slice, i.e. network slice 4 as an example, network slice 4 executes 4 services, namely service 1, service 2, service 3 and service 4, the data volume to be transmitted of the 4 services is a1, a2, a3 and a4, the idle PRB resource volume in the cell corresponding to network slice 4 is b, and all PRB resource volumes in network slice 4 are c. If the relation between the data quantity 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 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 amount of data to be transmitted of the service executed by the network slice 4 and the cell resource corresponding to the network slice 4, where the obtained analysis result indicates that the priority of the 4 services executed by the network slice 4 needs to be adjusted.

In one possible implementation manner, for a low-priority network slice, after determining a target service in the services performed by the network slice according to the to-be-transmitted data amount of the services performed by the network slice and the seventh preset threshold, if the ratio of the number of the target services to the total number of the services performed by the network slice exceeds the eighth preset threshold, and the free PRB resources in the cell corresponding to the network slice is greater than the ninth preset threshold, or if the ratio of the number of the target services to the total number of the services performed by the network slice exceeds the eighth preset threshold, and all PRB resources in the network slice is greater than the tenth preset threshold, qoS of the network slice cannot be guaranteed, and the obtained analysis result indicates that the priority of the services performed by the network slice needs to be adjusted. That is, if the ratio of the number of target services to the total number of services performed by the network slice does not exceed the eighth preset threshold, or if the ratio of the number of target services to the total number of services performed by the network slice exceeds the eighth preset threshold, the free 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, the QoS of the network slice may be guaranteed, and the obtained analysis result indicates that the priority of the services performed 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 priority of the service can be changed by adjusting the DSCP corresponding to the service executed by the network slice, so as to achieve the effect of guaranteeing the QoS of the service. Therefore, the DSCP corresponding to the service executed by the network slice can be adjusted to the target DSCP according to the analysis result obtained in the above step S302.

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

Specifically, since the priority of the service executed by the network slice may be divided into a high priority, a medium priority and a low priority, the following description will be made on the analysis results corresponding to the network slices with different priorities, and the process of adjusting the priority of the service executed by the network slice according to the analysis results, respectively:

generally, a high priority service is a service requiring network emphasis for guarantee, and whether the QoS of the service is good can directly determine the experience of a user when using the network. Such as voice traffic. For the high priority network slice, whether or not the QoS of the high priority network slice is guaranteed, the analysis result obtained in step S302 described above indicates that the priority of the service performed 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 its 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 a plurality of service types, and the users using the medium priority service are more, if the users are at the edge position covered by the network or at the position with shielding, the channel quality of the users may be poor, and the QoS of the medium priority service used by the users is not guaranteed. If the QoS of the medium priority service is worse, the priority of the service can be adjusted to be higher priority, and the higher priority can be high DSCP priority or higher priority in the medium priority. In one possible implementation manner, the DSCP corresponding to the medium priority service may be adjusted to be a target DSCP, where the value of the target DSCP is greater than the value of the DSCP corresponding to the target DSCP currently, so as to ensure QoS of the medium priority service.

For example, the middle priority network slice is network slice 5, and 7 services executed by the network slice 5 are respectively service 1, service 2, service 3, service 4, service 5, service 6 and service 7, and the DSCP values of the 7 services are respectively 18, 20, 22, 8, 10, 12 and 14. 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 DSCP values corresponding to service 1, service 2 and service 3 are increased by 8, the DSCP value corresponding to service 4 is increased by 18, and the DSCP values corresponding to service 5, service 6 and service 7 are increased by 16, 14 and 12, respectively, that is, the DSCP values corresponding to service 1, service 2, service 3, service 4, service 5, service 6 and service 7 are adjusted to 18, 20, 22, 26, 34, respectively. That is, the DSCP values 18, 20, 22, 26, 34 are the target DSCP values corresponding to the traffic 1-traffic 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 the operation of adjusting the priority is not performed at this time.

The data volume of the low-priority service is larger, but fewer users use the low-priority service, if the priority of the low-priority service is higher than that of the low-priority service in the current network, the QoS of the low-priority service may not be guaranteed. For low priority service, if QoS of the low priority service is poor and there is a lot of data to be transmitted for the low priority service or a user using the low priority service has additional resources to guarantee the low priority service, the priority of the low priority service may be adjusted to be higher, for example, middle priority or 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 current target DSCP, so as to ensure the QoS of the low priority service.

For example, the low priority network slice is network slice 6, and 4 services executed by the network slice 6 are respectively service 1, service 2, service 3 and service 4, and DSCP values 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 DSCP values corresponding to service 1-service 4 are respectively increased by 8, that is, the DSCP values corresponding to service 1-service 4 are respectively adjusted to 8, 10, 12, 14. That is, the DSCP values 8, 10, 12, 14 are the target DSCP values corresponding to the service 1-service 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 the operation of adjusting the priority is not performed at this time.

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

the DSCP low priority may be further divided into two levels (also referred to as two levels, the description of the levels is used herein to distinguish from the other levels described above), that is, the DSCP low priority may be further divided into a lowest level of the DSCP low priority and a highest level of the DSCP low priority according to the difference of the DSCP values. Similarly, the priorities in DSCP may be further divided into a lowest priority in DSCP, a middle priority in DSCP, and a lowest priority in 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. The application can adjust the DSCP file corresponding to the service executed by the network slice which can not guarantee QoS according to the DSCP file corresponding to the DSCP value corresponding to the service so as to adjust the priority of the service and the QoS guarantee strategy of the service, thereby guaranteeing the QoS of the network slice.

Exemplary, the rules for adjusting the DSCP file corresponding to the service are as follows:

When the priority of a certain service A needs to be adjusted, if the DSCP grade corresponding to the service A is the lowest grade of DSCP low priority, adjusting the DSCP value corresponding to the service A to be the DSCP value corresponding to the lowest grade of 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 DSCP low priority, the DSCP value corresponding to the service A is adjusted to the DSCP value corresponding to the middle grade of DSCP medium priority; if the DSCP grade corresponding to the service A is the lowest grade of the priority in the DSCP, the DSCP value corresponding to the service A is adjusted to be the DSCP value corresponding to the highest grade of the priority in the DSCP; if the DSCP grade corresponding to the service A is a DSCP middle priority grade, adjusting the DSCP value corresponding to the service A to be a DSCP value corresponding to a DSCP high priority lowest grade; if the DSCP grade corresponding to the service is the highest grade of the DSCP medium priority, the DSCP value corresponding to the service A is adjusted to the DSCP value corresponding to the DSCP high priority medium grade; if the DSCP file corresponding to the service a is three files with high DSCP priority, 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 rules for adjusting the DSCP files corresponding to the services may be preset, or may be determined according to application scenarios, requirements, actual service use situations of the services, and the like, and are not limited to the adjustment rules given in the above examples.

Through the above process, the application can determine the mapping relation between DSCP and 5QI based on the same or similar service corresponding to DSCP in the transmission network and 5QI in the wireless access network, and adjust the priority of the service executed by the network slice according to the QoS guarantee condition of the network slice, that is, adjust the value of DSCP corresponding to the service executed by the network slice, thereby dynamically adjusting the mapping relation between DSCP and 5QI, adjusting the QoS strategy corresponding to the service, and further guaranteeing the QoS of the network slice by adjusting the QoS strategy corresponding to the service executed by the network slice when the QoS of the network slice is poor.

The scheme provided by the embodiment of the application is mainly introduced from the viewpoint of the working principle of the QoS guarantee device. It will be appreciated that, in order to implement the above-mentioned functions, the QoS securing apparatus includes a hardware structure and/or a software module that perform the respective functions. Those of skill in the art will 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 implemented as hardware or computer software driven 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.

The embodiment of the application can divide the functional modules according to the method example QoS guarantee device, for example, each functional module can be divided corresponding to each function, and two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present application, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.

Fig. 5 shows a possible structural diagram of a QoS securing apparatus in the case where respective functional modules are divided with corresponding respective functions. 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 securing apparatus may include other modules, or the QoS securing apparatus may include fewer modules.

An analyzing unit 401, configured to analyze the number of services performed by the network slice and the priority of the services performed by the network slice, and obtain the priority of the network slice.

The priorities of the network slices include high priority, medium priority and low priority. The priorities of the traffic performed by the network slices include high priority, medium priority, and low priority.

Optionally, before the analyzing unit 401 obtains the priority of the network slice, the dividing unit 403 is configured to divide DSCP having a mapping relationship with the service performed 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, whether the priority of the service executed by the network slice is high priority, medium priority or low priority.

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

The analyzing unit 401 is further configured to analyze, according to the priority of the network slice, at least one of a parameter of the network slice, that is, a data transmission rate of a service executed by the network slice, a number of users using the network slice, an amount of data 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. The analysis result is used for indicating whether the priority of the service executed by the network slice needs to be adjusted.

Optionally, the analyzing unit 401 is specifically further configured to analyze the data transmission rate of the service executed by the network slice if the priority of the network slice is high, so as to obtain an analysis result. If the priority of the network slice is the 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 quantity 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 specifically further configured to: if the data transmission rate executed by the network slice does not exceed the number of the services of the preset rate threshold, and the ratio of 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 traffic performed by the transport network slice through the virtual local area network VLAN.

The analysis unit 401 is specifically further 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 with the downlink channel quality 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 a 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 a ratio of the total number of services performed by the network slice to the number of users using the network slice.

The analysis unit 401 is specifically further configured to: and determining the number of target services in the services executed by the network slice, wherein the target services are services with the data quantity to be transmitted exceeding 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 service 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 for indicating that the priority of the service executed by the network slice needs to be adjusted.

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

Optionally, the analysis result further includes a target DSCP corresponding to the 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 of the methods implemented in the embodiments of the present application, and for convenience of explanation, only the portions related to the embodiments of the present application are shown, and specific technical details are not disclosed, and are not repeated herein with reference to the embodiments of the present application.

The embodiment of the application also provides a computer readable storage medium, on which instructions are stored, which when executed perform the QoS securing method in the method embodiment described above.

The present application also provides a computer program product comprising instructions which, when executed on a computer, cause the computer to perform the QoS securing method in the method embodiment described above.

The embodiment of the application further provides a chip system, which comprises a processor and is used for realizing the technical method of the embodiment of the application. In one possible design, the system on a chip also includes memory to hold the program instructions and/or data necessary for embodiments of the present application. In one possible design, the system-on-chip further includes a memory for the processor to invoke application code stored in the memory. The chip system may be formed by one or more chips, or may include chips and other discrete devices, which are not particularly limited in this embodiment of the application.

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

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely illustrative of specific embodiments of the present application, and the scope of the present application is not limited thereto, but any changes or substitutions within the technical scope of the present application should be covered by the scope of the present application.

Claims

1. A QoS securing method, the method comprising:

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 priorities of the network slices comprise a high priority, a medium priority and a low priority; the priority of the service executed by the network slice comprises a high priority, a medium priority and a low priority;

analyzing parameters of the network slice according to the priority of the network slice to obtain an analysis result; the parameters comprise the data transmission rate of the service executed by the network slice, the number of users using the network slice, the data quantity to be transmitted of the service executed by the network slice, and the cell resource corresponding to the network slice by the channel quality of the users using 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; analyzing parameters of the network slice according to the priority of the network slice to obtain an analysis result, wherein the 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; if the priority of the network slice is low, analyzing the data quantity 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;

And 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, wherein the analysis result comprises: if the data transmission rate executed by the network slice does not exceed the number of the services with the preset rate threshold, and the ratio of 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;

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

2. The QoS securing method according to claim 1, characterized in that before the analyzing the number of traffic performed by a network slice and the priority of traffic performed by the network slice, the method further comprises:

dividing DSCP with mapping relation with the service executed by the network slice into DSCP high priority, DSCP medium priority and 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.

3. The QoS securing method according to claim 1 or 2, wherein the analyzing the number of traffic performed by a network slice and the priority of traffic performed by the network slice, to obtain the priority of the network slice, comprises:

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

4. The QoS securing method according to claim 1, wherein the analysis result is further used to indicate data of traffic performed by transmitting the network slice through a virtual local area network VLAN.

5. The QoS securing method according to claim 1, 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, and obtaining the analysis result includes:

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 with downlink channel quality 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 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.

6. The QoS securing method according to claim 1, characterized in that the cell resources corresponding to the network slice include idle physical resource block PRB resources in the cell and all PRB resources in the cell;

And if the priority of the network slice is low, analyzing the amount of data 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:

determining the number of target services in the services executed by the network slice, wherein the target services are services with the data volume to be transmitted exceeding 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 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 in the cell corresponding to the network slice are greater than the 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.

7. The QoS securing method according to claim 5 or 6, wherein the analysis result includes a target DSCP corresponding to a service performed by the network slice; the step of adjusting the priority of the service executed by the network slice according to the analysis result comprises the following steps:

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

8. A QoS securing apparatus, characterized in that the apparatus comprises 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 priorities of the network slices comprise a high priority, a medium priority and a low priority; the priority of the service executed by the network slice comprises a high priority, a medium priority and a low priority;

the analysis unit is further used for analyzing parameters of the network slice according to the priority of the network slice to obtain an analysis result; the parameters comprise the data transmission rate of the executed service, the number of users using the network slice, the data quantity to be transmitted of the executed service of the network slice, and the cell resource of which the channel quality of the users using the network slice corresponds 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; analyzing parameters of the network slice according to the priority of the network slice to obtain an analysis result, wherein the 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; if the priority of the network slice is low, analyzing the data quantity 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;

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

9. The QoS securing apparatus according to claim 8, further comprising a dividing unit and a determining unit;

the dividing unit is used for dividing the DSCP with 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 the service executed by the network slice and the DSCP, whether the priority of the service executed by the network slice is high priority, medium priority or low priority.

10. QoS securing device according to claim 8 or 9, characterized in that the analysis unit is specifically adapted to:

11. The QoS securing apparatus of claim 8, wherein the analysis result is further used to indicate data of traffic performed by transmitting the network slice over a virtual local area network VLAN.

12. The QoS securing apparatus according to claim 8, characterized in that the analyzing unit is further specifically configured to:

13. The QoS securing apparatus according to claim 8, wherein the cell resources corresponding to the network slice include free physical resource block, PRB, resources in the cell and all PRB resources in the cell;

the analysis unit is specifically further configured to:

14. The QoS securing apparatus according to claim 12 or 13, wherein the analysis result includes a target DSCP corresponding to a service performed by the network slice;

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

15. A QoS securing apparatus, characterized in that the QoS securing apparatus comprises: a processor and a memory;

the memory is connected with the processor; the memory is configured to store computer instructions that, when executed by the processor, the QoS securing apparatus performs the QoS securing method of any one of claims 1 to 7.

16. A computer-readable storage medium comprising instructions that, when run on a computer, cause the computer to perform the QoS securing method of any one of claims 1 to 7.