CN113055820B - Data storage method, device, system and storage medium - Google Patents

Abstract

The invention discloses a data storage method, device, system and storage medium. The method includes receiving service information sent by a first base station; the service information includes acquiring location information of the service information and service type information of the service information; according to the service type information, determining whether the service information is information for a location-related service; when When the service information is information for a service related to the location, the service information is sent to the second MEC server, so as to be used when the second MEC server determines that the location information in the service information is located within the first preset range of the second base station , the second MEC server stores the service information, so as to improve the hit rate of the data obtained by the user.

Description

Data storage method, device, system and storage medium

technical field

The present invention belongs to the technical field of wireless networks, and in particular, relates to a data storage method, device, system and storage medium.

Background technique

With the rapid growth of traffic usage and the improvement of user experience requirements, it is necessary to improve the computing processing capability and data storage capability at the edge of the wireless network, that is, edge computing.

The application of edge computing to mobile communication networks is called Mobile Edge Computing (MEC). MEC means that the data to be obtained by the user is stored in the MEC server. The MEC server is deployed near the base station, and the data required by the user is stored in the MEC server, which saves the utilization of network resources on the core network side. However, the storage space of the MEC server is limited, and the data required by the user cannot be stored, that is, the current data caching method on the MEC server side makes the hit probability of the data required by the user in the MEC server low.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a data storage method, device, system, and storage medium, which can solve the problem of a low hit rate of data obtained by users in the current data caching method on the MEC server side.

In a first aspect, a data storage method is provided, the method is applied to the first MEC server, and the method includes:

Receive the service information sent by the first base station; the service information includes the location information of the acquired service information and the service type information of the service information;

According to the service type information, determine whether the service information is information for a location-related service;

When the service information is information for a service related to the location, sending the service information to the second MEC server, so as to be used when the second MEC server determines that the location information in the service information is located within the first preset range of the second base station , the second MEC server stores the service information.

In a possible implementation, the method further includes:

The business information is sent to the centralized database for the centralized database to store the business information.

In a possible implementation, the method further includes:

When the business information is not information for the location-related business, the business information is sent to the centralized database for the centralized database to store the business information.

In a second aspect, a data storage method is provided, the method is applied to a second MEC server, and the method includes:

Receive the service information sent by the first MEC server; the service information includes the location information of the obtained service information and the service type information of the service information; wherein, the service type information is the information that the service information is used for the service related to the position;

determining whether the location information is within the first preset range of the second base station according to the location information in the received service information;

When the location information is within the first preset range of the second base station, the service information is stored.

In a possible implementation, the method further includes:

When the location information is not within the first preset range of the second base station, the service information is deleted.

In a possible implementation, the method further includes:

Send a service request to the centralized database; the service request carries the service type information, the identifier of the second MEC server and the first preset range, so that the centralized database determines the service information according to the service type information and the first preset range, and sends it to the centralized database. The second MEC server corresponding to the identifier of the second MEC server sends service information;

Store the business information sent by the centralized database;

The service information includes service type information and location information for obtaining the service information.

In a third aspect, a data storage device is provided, the device is applied to the first MEC server, and the device includes:

a receiving module, configured to receive the service information sent by the first base station; the service information includes the location information of the acquired service information and the service type information of the service information;

a determining module, configured to determine whether the business information is information for a location-related business according to the business type information;

The sending module is configured to send the service information to the second MEC server when the service information is information for a service related to the location, so as to be used when the second MEC server determines that the location information in the service information is located in the second base station. When within a preset range, the second MEC server stores the service information.

In a possible implementation manner, the sending module is further configured to send service information to the centralized database, so that the centralized database stores the service information.

In a possible implementation, the sending module is also used to:

When the business information is not information for the location-related business, the business information is sent to the centralized database for the centralized database to store the business information.

In a fourth aspect, a data storage device is provided, and the device is applied to a second MEC server; the device includes:

The receiving module is used for receiving the service information sent by the first MEC server; the service information includes the location information of the obtained service information and the service type information of the service information; wherein, the service type information is used to characterize that the service information is used for position-related services information;

a determining module, configured to determine whether the location information is located within the first preset range of the second base station according to the location information in the received service information;

The storage module is configured to store the service information when the location information is within the first preset range of the second base station.

In a possible implementation, the device further includes a deletion module;

A deletion module, configured to delete the service information when the location information is not within the first preset range of the second base station.

In a possible implementation, the device further includes:

The sending module is used to send a service request to the centralized database; the service request carries the service type information, the identifier of the second MEC server and the first preset range, so that the centralized database can determine the service type information and the first preset range according to the service type information and the first preset range. Service information, and send service information to the second MEC server corresponding to the identifier of the second MEC server;

The storage module is also used to store the business information sent by the centralized database;

The service information includes service type information and location information for obtaining the service information.

A fifth aspect provides a data storage system, the system includes a first base station and a second base station, and a first edge computing MEC server disposed within a second preset range of the first base station and a third base station disposed in the second base station. a second MEC server within a preset range;

The first MEC server is configured to receive service information sent by the first base station, where the service information includes location information for obtaining the service information and service type information for the service information; and, according to the service type information, determines whether the service information is used for location-related information The information of the business; When the business information is the information for the business related to the location, send the business information to the second MEC server; The first MEC server is also used for sending the business information to the centralized database;

The second MEC server is configured to determine whether the location information is located within the first preset range of the second base station according to the location information in the received service information; when the location information is located within the first preset range of the second base station, store business information;

The centralized database is used to store the service information sent by the first MEC server.

In a sixth aspect, a computer storage medium is provided, on which computer program instructions are stored, and when the computer program instructions are executed by a processor, a method such as the first aspect or any possible implementation manner of the first aspect is implemented, Or implement the method in the second aspect or any possible implementation manner of the second aspect.

Based on the provided data storage method, device, system and storage medium, the service information sent by the first base station is received; the service information includes the location information of the acquired service information and the service type information of the service information; according to the service type information, it is determined whether the service information is is the information for the service related to the position; when the service information is the information for the service related to the position, the service information is sent to the second MEC server to be used when the second MEC server determines the position information in the service information When located within the first preset range of the second base station, the second MEC server stores the service information, so as to improve the hit rate of the data obtained by the user.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the embodiments of the present invention. For those of ordinary skill in the art, without creative work, the Additional drawings can be obtained from these drawings.

1 is a schematic structural diagram of a network of an edge cache system provided by an embodiment of the present invention;

2 is a schematic structural diagram of a data storage system provided by an embodiment of the present invention;

3 is a schematic flowchart of a data storage method provided by an embodiment of the present invention;

4 is a schematic flowchart of another data storage method provided by an embodiment of the present invention;

5 is a schematic flowchart of another data storage method provided by an embodiment of the present invention;

6 is a schematic flowchart of still another data storage method provided by an embodiment of the present invention;

7 is a schematic structural diagram of a data storage device provided by an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of another data storage device provided by an embodiment of the present invention.

Detailed ways

The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present invention, and are not configured to limit the present invention. It will be apparent to those skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the invention.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising" does not preclude the presence of additional identical elements in the process, method, article or device that includes the element.

At present, the rapid emergence of many new business applications such as augmented reality/virtual reality, 4K/8K resolution high-definition video, the Internet of Things, the Industrial Internet, and the Internet of Vehicles has put forward higher and higher requirements for network transmission capacity, data distribution and processing capabilities, etc. requirements. In the face of rapid traffic growth and ever-increasing user experience requirements, communication networks are bound to be under enormous pressure. Therefore, network architecture must be adjusted to meet services such as ultra-large connections, ultra-low latency, and ultra-large bandwidth. need. In order to cope with the above challenges, the industry proposes to provide computing processing and data storage capabilities at the edge of the network, that is, edge computing, in order to achieve the purpose of providing high-quality services to users at the edge of the network. The basic idea of edge computing is to migrate cloud computing platforms (including computing, storage and network resources) to the edge of the network, and try to achieve deep integration between traditional mobile communication networks, the Internet, and the Internet of Things, and reduce the end-to-end service delivery. end delay, explore the inherent capabilities of the network, and improve user experience, thereby bringing new changes to the operation mode of telecom operators and establishing a new industrial chain and network ecosystem.

Introducing edge computing into the mobile communication network, the Mobile Edge Computing (MEC) is proposed. In order to help the conceptual understanding of MEC, the overall system architecture of MEC shown in Figure 1 is used as a comparison. The application scenarios of the content are initially introduced to MEC.

In the traditional way without using MEC, when each user terminal (User Equipment, UE) initiates a content service request, it first needs to access the base station (eNodeB), and then connect to the target content through the core network (Core Network, CN), Then, the backhaul is performed layer by layer, and the interaction between the terminal and the target content is finally completed. If other terminals under the same base station initiate the same content request, the connection process and the calling process shown in FIG. 1 need to be repeated. On the one hand, repeated connections and calls will waste network resources; on the other hand, long-distance transmission also increases the corresponding delay. By introducing the MEC solution and deploying the MEC server on the base station side close to the UE, content can be cached on the MEC server, enabling users to obtain content directly from the MEC server instead of repeatedly obtaining it through the core network. From a network perspective, the introduction of MEC can not only avoid network congestion, but also save network resources on the core network side; from a user perspective, it means reducing latency and improving service quality experience.

Based on the above-mentioned MEC principle, the reduction of user service delay mainly depends on the fact that the data required by the user is obtained from the MEC server on the base station side, and due to the limited storage space, the MEC server cannot store all the data. Therefore, as much as possible Only by improving the hit probability of the data required by the user in the MEC server (hereinafter referred to as the data hit rate) can the delay of the user service be reduced as much as possible. To improve the data hit rate, a good caching strategy is needed. Most of the research work is to revise some caching strategies in the traditional wired network according to the characteristics of the mobile network. In addition, some new caching schemes are also proposed, such as Caching strategies based on user preference, reinforcement learning or multi-node cooperation.

Most of the data caching strategies in the MEC server are based on data content and user preferences. Although these caching strategies can improve the data hit rate to a certain extent, these strategies are more suitable for content-type data.

For example, in the field of transportation, there is a great relationship between data and location information, and many data only need to be used within a certain range. When the data stored in the MEC server corresponding to the base station that the vehicle passes through is nearby location data, the vehicle will most likely need the data, so the data cached in the MEC server is highly correlated with the location of the data.

For the above scenario, the cache strategy of the prior art does not judge whether the location information of the data needs to be considered when caching the data related to the business according to the business type, resulting in the low efficiency of the cache strategy of the MEC server for the business with a high degree of correlation with the location information. , and lead to a low hit rate for users to obtain data.

Therefore, the embodiments of the present invention provide a data storage method, device, system, and storage medium, which can improve the hit rate of data obtained by a user.

In order to facilitate understanding of the embodiments of the present invention, the data storage system in the embodiments of the present invention is first introduced in detail.

FIG. 2 is a schematic structural diagram of a data storage system provided by an embodiment of the present invention.

As shown in FIG. 2 , the data storage system provided in this embodiment of the present invention may include: a first base station 201 , a second base station 202 , a first MEC server 203 , a second MEC server 204 , and a centralized database 205 .

The first MEC server 203 is configured to receive service information sent by the first base station 201, where the service information includes location information for obtaining the service information and service type information for the service information; Information about the business; when the business information is information for the business related to the location, send the business information to the second MEC server 204; the first MEC server 203 is also used to send the business information to the centralized database 205;

The second MEC server 204 is configured to determine whether the location information is located within the first preset range of the second base station 202 according to the location information in the received service information; when the location information is located within the first preset range of the second base station 202 store business information;

The centralized database 205 is used to store the service information sent by the first MEC server 203 .

In an embodiment of the present invention, the service information is information corresponding to service data to be acquired by the user. The service information includes location information at which the service information is obtained, that is, the location where service data is collected. The service information further includes service type information, where the service type information is used to indicate a scenario to which the service data in the service information is to be applied. For example, in an embodiment corresponding to a traffic application, the actual data may be traffic light information, real-time road condition information, etc., and the location where the business data in the business information is collected may be the location of the traffic light or the location corresponding to real-time road conditions. The service type information of the service information is that the service data is applied to a traffic service or a video service.

In order to facilitate the understanding of the embodiments of the present invention, each device in the data storage system provided by the embodiments of the present invention will be described in detail below.

Both the first base station 201 and the second base station 202 refer to public mobile communication base stations, and in a certain radio coverage area, through the mobile communication switching center, the radio transceiver nodes that transmit information with the mobile phone terminal, in the embodiment of the present invention The first base station 201 and the second base station 202 are both a general term for a signal baseband processing part, a signal radio frequency processing part, and an antenna.

The MEC server in the embodiment of the present invention is deployed on the base station side close to the terminal, and the content can be cached on the MEC server, so that the user can directly obtain the content from the MEC server instead of repeatedly obtaining the content through the core network. The MEC server includes data caching It can provide data content and computing processing services for terminals. The first MEC server 203 is set within the preset range of the first base station 201 ; the second MEC server 204 is set within the preset range of the second base station 202 . The preset range of the first base station 201 and the preset range of the second base station 202 may be the same or different.

The centralized database 205 refers to a centralized platform for business data, which is equivalent to a server in a public data network (PDN) in a traditional network architecture, and stores business information in a centralized manner. The target service information stored in the centralized database 205 is connected to the network, and then returned layer by layer, and the interaction between the terminal and the target service information is finally completed.

Optionally, in this embodiment of the present invention, the data storage system may further include an information collection device 206 , a terminal 207 and a core network 208 .

Among them, the terminal 206 refers to the device used by the user to access the network. The most common terminal is that the user holds an ordinary mobile phone terminal. With the development of applications, there are also more and more terminals that are not mobile phones, such as applications in the transportation field. , the vehicle terminal is also a common terminal.

The information collection device 207 refers to a device used to collect business information, and actually belongs to a type of terminal. After collecting business information, it is sent back to the database through the network. Such service information may also include applicable service types and location information for information collection.

Taking the core network of the fourth generation mobile communication technology (the 4th generation mobile communication technology, 4G) network as an example, the core network 208 includes a mobility management entity (Mobility Management Entity, MME) responsible for the signaling processing part, routing data packets The base station is connected to the PDN network through the core network, that is, connected to the Internet. However, the embodiments of the present invention are not limited to 4G networks. In networks such as the 5th generation mobile communication technology (5G), the above network elements may be corresponding network elements in a wireless communication system.

The data storage method provided by the embodiment of the present invention is described in detail below based on the data storage system provided by the embodiment of the present invention.

FIG. 3 is a schematic flowchart of a data storage method provided by an embodiment of the present invention.

As shown in FIG. 3, a data storage method provided by an embodiment of the present invention includes:

S301: The information collection device collects business information.

The information collection device can collect business information periodically, and can also collect business information in real time. For example, the status information of traffic lights can be collected according to the real-time changes of traffic lights. The collected service information includes service data, a location where service information is collected and collected, and service type information of the service information. When new service information is collected or service information is updated, information reporting is triggered.

S302: The information collection device sends service information to the first base station.

The information collection device may access the first base station as a terminal. After receiving the service information, the first base station stores the service information in the first MEC server.

S303: The first MEC server determines whether the service information is information for a location-related service according to the service type information in the service information. If not, execute S304; if yes, execute S305 and S309.

The first MEC server needs to judge whether the service to be applied by the service information is a service related to the location. For example, traffic services, such as traffic signal status information, real-time road condition information, location-related services, and video services, such as a short video, have nothing to do with location.

S304: The first MEC server sends service information to the centralized database.

When the service information is not information for the service related to the location, the first MEC server sends the service information to the centralized database, and the centralized database stores the service information. At this time, the business information stored in the centralized database can be used as the business information on the platform side. The service information on the platform side can be used in various services. For example, the service information is video information, voice information, and so on.

S305: The first MEC server sends service information to the second MEC server. Execute S306.

In an embodiment of the present invention, after receiving the service information, the second MEC server may store the service information, or may discard the service information. Next, it is determined through S306 whether the second MEC server needs to store the service information.

S306: The second MEC server determines whether the location information in the service information is within a second preset range of the second base station. If yes, go to S307; if not, go to S308.

The service information carries location information for obtaining the service information. The location information is the location where the service information is obtained. The service types corresponding to the services to which different service information is applied have different requirements for the location range for obtaining the service information. For example, the application to traffic services may require service information within 3 kilometers; the application to industrial Internet may require service information within 100 meters. Therefore, the second MEC server may set different preset ranges for different types of services. When the location information in the service information is within the preset range of the second station, the second MEC server will save the service information.

S307: The second MEC server stores the service information.

The second MEC server stores the service information for the terminal to obtain the service information. For example, the vehicle-mounted terminal attached to the second base station needs to obtain the real-time status of a traffic signal light, and the position of the traffic signal light is within the second preset range of the second base station, then the second MEC server stores the real-time status of the traffic signal light information. The terminal can avoid the delay of information transmission increased by the long-distance transmission of service information, improve the efficiency of obtaining service information, and improve the hit rate of edge cache data. Here, the second MEC server may be any MEC server adjacent to the first MEC server.

S308: The second MEC server discards the service information.

S309: The first MEC server sends service information to the centralized database.

When the service information is information for a location-related service, the first MEC server sends the service information to the centralized database, which stores the service information. At this time, the business information stored in the centralized database can be used as the business information on the platform side. The service information on the platform side can be used in various services. For example, the service information is video information, voice information, and so on.

It should be noted that, in this embodiment of the present invention, S305 and S309 are not executed in sequence.

The data storage system provided by the embodiment of the present invention is configured to receive, through the first MEC server, service information sent by the first base station, where the service information includes location information for obtaining the service information and service type information for the service information; and according to the service type information, Determine whether the service information is information for a location-related service; when the service information is for a location-related service, send the service information to the second MEC server; the first MEC server is also used to send the centralized database Sending service information; the second MEC server is used to determine whether the position information is located within the first preset range of the second base station according to the position information in the received service information; when the position information is located in the first preset range of the second base station When it is within the range, the business information is stored; the centralized database is used for storing the business information sent by the first MEC server, which improves the hit rate of the data obtained by the user.

Optionally, in this embodiment of the present invention, after the centralized database stores service information, when the MEC server is initialized or data needs to be updated, the service information needs to be acquired from the centralized database. As shown in Figure 4, the MEC server obtains business information from the centralized database and includes the following steps:

S401: A service request sent by the MEC server to the centralized database; the service request carries service type information, an identifier of the MEC server, and a preset range.

When the MEC server needs to update data or initialize data, it will send business requests to the centralized database. The service request carries service type information, an identifier of the MEC server and a preset range. The preset range is the preset range of the base station corresponding to the MEC server, and the MEC server only stores service information within the preset range of the base station corresponding to the MEC server. The MEC server is set within a certain range of the base station.

S402: The centralized database determines the business information according to the business type information and the preset scope.

In an embodiment of the present invention, the centralized database establishes data requirement information for the MEC server according to the service type information and the preset range. Each item of service information in the data requirement information records the MEC server identifier, service type information, and preset range in association with each other. Wherein, each MEC server may have records of information of multiple service types, and the preset range of each service type may be different.

S403: The centralized database sends service information to the MEC server according to the identifier of the MEC server.

The centralized database retrieves the corresponding service type information and data within the preset range for the MEC server according to the data requirement information according to the identification of the MEC server, and initially sends or updates the data to the MEC server.

S404: The MEC server stores service information.

The embodiment of the present invention provides the MEC server with data information near its location through a centralized database according to the business type and data location preset range corresponding to the data required by the base station corresponding to the MEC server, and the method helps to improve the utilization of nearby data. The probability that the terminal hits the required data on the MEC server corresponding to its access base station implements a high-efficiency MEC server caching strategy.

FIG. 5 is a schematic flowchart of a data storage method provided by an embodiment of the present invention.

As shown in FIG. 5 , a data storage method provided by an embodiment of the present invention is applied to the first MEC server, and the method may include:

S501: Receive service information sent by a first base station; the service information includes location information of the acquired service information and service type information of the service information.

The service information is information corresponding to service data to be acquired by the user. The service information includes location information at which the service information is obtained, that is, the location where service data is collected. The service information further includes service type information, and the service type information is used to standardize the scenario in which the service data in the service information is to be applied. For example, in an embodiment corresponding to a traffic application, the actual data may be traffic light information, real-time road condition information, etc., and the location where the business data in the business information is collected may be the location of the traffic light or the location corresponding to real-time road conditions. The service type information of the service information is that the service data is applied to a traffic service or a video service.

S502: Determine whether the service information is information for a location-related service according to the service type information.

The first MEC server needs to judge whether the service to be applied by the service information is a service related to the location. For example, traffic services, such as traffic signal status information, real-time road condition information, location-related services, and video services, such as a short video, have nothing to do with location.

S503: When the service information is information for a service related to the location, send the service information to the second MEC server, so as to be used when the second MEC server determines that the location information in the service information is located in the first preset of the second base station When within the range, the second MEC server stores the service information.

The service information carries location information for obtaining the service information. The location information is the location where the service information is obtained. The service types corresponding to the services to which different service information is applied have different requirements for the location range for obtaining the service information. For example, the application to traffic services may require service information within 3 kilometers; the application to industrial Internet may require service information within 100 meters. Therefore, the second MEC server may set different preset ranges for different types of services.

After the first MEC server sends the service information to the second MEC server, the second MEC server needs to determine whether to store the service information according to the location information. When the location information in the service information is within the preset range of the second base station, the second MEC server will save the service information. The second MEC server stores the service information for the terminal to obtain the service information. For example, the vehicle-mounted terminal attached to the second base station needs to obtain the real-time status of a traffic signal light, and the position of the traffic signal light is within the second preset range of the second base station, then the second MEC server stores the real-time status of the traffic signal light information. The terminal can avoid long-distance transmission of service information and increase the delay of information transmission, improve the efficiency of obtaining service information, and improve the hit rate of edge cache data.

When the service information is not information for the service related to the location, the first MEC server sends the service information to the centralized database, and the centralized database stores the service information. At this time, the business information stored in the centralized database can be used as the business information on the platform side. The service information on the platform side can be used in various services. For example, the service information is video information, voice information, and so on.

In addition, when the service information is information for a service related to a location, the first MEC server sends the service information to the centralized database, which stores the service information. At this time, the business information stored in the centralized database can be used as the business information on the platform side. The service information on the platform side can be used in various services. For example, the service information is video information, voice information, and so on.

In the data storage method provided by the embodiment of the present invention, the service information sent by the first base station is received; the service information includes the location information of the acquired service information and the service type information of the service information; according to the service type information, it is determined whether the service information is used for Information of the location-related service; when the service information is information for the location-related service, the service information is sent to the second MEC server, so as to be used when the second MEC server determines that the location information in the service information is located at the second base station The second MEC server stores the service information when it is within the first preset range of , which improves the hit rate of the data obtained by the user.

FIG. 6 is a schematic flowchart of a data storage method provided by an embodiment of the present invention.

As shown in FIG. 6 , the data storage method provided by the embodiment of the present invention is applied to the second MEC server, and the method includes:

S601: Receive the service information sent by the first MEC server; the service information includes the location information of the acquired service information and the service type information of the service information; wherein the service type information is information indicating that the service information is used for location-related services.

After receiving the service information, the second MEC server may store the service information or discard the service information. The second MEC server needs to determine whether to store the service information according to the location information included in the service information for obtaining the service information.

S602: Determine whether the location information is located within a first preset range of the second base station according to the location information in the received service information.

The service information carries location information for obtaining the service information. The location information is the location where the service information is obtained. The service types corresponding to the services to which different service information is applied have different requirements for the location range for obtaining the service information. For example, the application to traffic services may require service information within 3 kilometers; the application to industrial Internet may require service information within 100 meters. Therefore, the second MEC server may set different preset ranges for different types of services. When the location information in the service information is within the preset range of the second station, the second MEC server will save the service information.

S603: When the location information is within the first preset range of the second base station, store the service information.

In an embodiment of the present invention, the second MEC server stores service information for the terminal to obtain the service information. For example, the vehicle-mounted terminal attached to the second base station needs to obtain the real-time status of a traffic signal light, and the position of the traffic signal light is within the second preset range of the second base station, then the second MEC server stores the real-time status of the traffic signal light information. The terminal can avoid long-distance transmission of service information and increase the delay of information transmission, improve the efficiency of obtaining service information, and improve the hit rate of edge cache data.

When the location information is not within the first preset range of the second base station, the service information is deleted.

In addition, the second MEC may also acquire service information from the centralized database, where the service information acquired in the centralized database is used for the initialization of the second MEC server or data needs to be updated. specific:

Send a service request to the centralized database; the service request carries the service type information, the identifier of the second MEC server and the first preset range, so that the centralized database determines the service information according to the service type information and the first preset range, and sends it to the centralized database. The second MEC server corresponding to the identifier of the second MEC server sends service information;

Store the business information sent by the centralized database;

The service information includes service type information and location information for obtaining the service information.

Optionally, in this embodiment of the present invention, when the second MEC server needs to update data or needs to initialize data, it will send a service request to the centralized database. The service request carries service type information, an identifier of the second MEC server and a preset range. The preset range is a preset range of the base station corresponding to the second MEC server, and the second MEC server only stores service information within the preset range of the base station corresponding to the MEC server. Wherein, the second MEC server is set within a certain range of the base station.

The centralized database establishes data requirement information for the second MEC server according to the business type information and the preset range. Each item of service information in the data requirement information records the MEC server identifier, service type information, and preset range in association with each other. Wherein, each second MEC server may have records of information of multiple service types, and the preset range of each service type may be different.

Here, the first MEC server may also obtain service information from the centralized data to initialize or update the data.

The centralized database retrieves the corresponding service type information and data within the preset range for the MEC server according to the data requirement information according to the identification of the MEC server, and initially sends or updates the data to the MEC server. The centralized database provides the MEC server with data information near its location according to the service type and data location preset range corresponding to the data required by the base station corresponding to the MEC server. The probability of hitting the required data on the MEC server corresponding to the incoming base station realizes a high-efficiency MEC server caching strategy.

The data storage method provided by the embodiment of the present invention receives the service information sent by the first MEC server; the service information includes the location information of the obtained service information and the service type information of the service information; wherein, the service type information indicates that the service information is used to communicate with the service information. information about location-related services; determine whether the location information is located within the first preset range of the second base station according to the location information in the received service information; when the location information is located within the first preset range of the second base station, It stores business information and improves the hit rate of data acquisition by users.

FIG. 7 is a data storage device provided by an embodiment of the present invention. The device is applied to the first MEC server. The device may include: a receiving module 701 , a determining module 702 , and a sending module 703 .

A receiving module 701, configured to receive service information sent by a first base station; the service information includes location information for obtaining the service information and service type information for the service information;

A determination module 702, configured to determine whether the service information is information for a location-related service according to the service type information;

The sending module 703 is configured to send the service information to the second MEC server when the service information is information for a service related to the location, so as to be used when the second MEC server determines that the location information in the service information is located at the location of the second base station. When within the first preset range, the second MEC server stores the service information.

Optionally, in this embodiment of the present invention, the sending module 703 is further configured to send service information to the centralized database, so that the centralized database stores the service information.

Optionally, in this embodiment of the present invention, the sending module 703 is further configured to:

When the business information is not information for the location-related business, the business information is sent to the centralized database for the centralized database to store the business information.

The data storage device provided by the embodiment of the present invention executes each step in the method shown in FIG. 5 , and can achieve the technical effect of improving the hit rate of the data obtained by the user.

FIG. 8 is a data storage device provided by an embodiment of the present invention. The device is applied to a second MEC server. The device may include: a receiving module 801 , a determining module 802 , and a storage module 803 .

The receiving module 801 is used to receive the service information sent by the first MEC server; the service information includes the location information of the obtained service information and the service type information of the service information; wherein, the service type information is to characterize that the service information is used for position-related services Information;

A determination module 802, configured to determine whether the location information is located within the first preset range of the second base station according to the location information in the received service information;

The storage module 803 is configured to store the service information when the location information is within the first preset range of the second base station.

Optionally, in this embodiment of the present invention, the device further includes a deletion module;

A deletion module, configured to delete the service information when the location information is not within the first preset range of the second base station.

Optionally, in this embodiment of the present invention, a sending module is configured to send a service request to the centralized database; the service request carries service type information, an identifier of the second MEC server, and a first preset range, which is used for the centralized database according to the data. The service type information and the first preset range, determine the service information, and send the service information to the second MEC server corresponding to the identifier of the second MEC server;

The storage module 803 is also used to store the business information sent by the centralized database;

The service information includes service type information and location information for obtaining the service information.

The data storage device provided by the embodiment of the present invention is configured to receive the service information sent by the first MEC server through the receiving module 801; the service information includes the location information of the acquired service information and the service type information of the service information; wherein, the service type information is The characterizing service information is information used for the service related to the position; the determining module 802 is used for determining whether the position information is located within the first preset range of the second base station according to the position information in the received service information; the storage module 803 , which is used to store the service information when the location information is within the first preset range of the second base station, so as to improve the hit rate of the data obtained by the user.

The data storage device provided by the embodiment of the present invention executes each step in the method shown in FIG. 6 , and can achieve the technical effect of improving the hit rate of the data obtained by the user.

In addition, in combination with the data storage methods in the above embodiments, the embodiments of the present invention can be implemented by providing a computer storage medium. Computer program instructions are stored on the computer storage medium; when the computer program instructions are executed by the processor, any one of the data storage methods in the foregoing embodiments is implemented.

It is to be understood that the present invention is not limited to the specific arrangements and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above-described embodiments, several specific steps are described and shown as examples. However, the method process of the present invention is not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the sequence of steps after comprehending the spirit of the present invention.

The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an application specific integrated circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, elements of the invention are programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted over a transmission medium or communication link by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transmit information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, and the like. The code segments may be downloaded via a computer network such as the Internet, an intranet, or the like.

It should also be noted that the exemplary embodiments mentioned in the present invention describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be different from the order in the embodiments, or several steps may be performed simultaneously.

The above are only specific implementations of the present invention. Those skilled in the art can clearly understand that, for the convenience and simplicity of the description, the specific working process of the above-described systems, modules and units may refer to the foregoing method embodiments. The corresponding process in , will not be repeated here. It should be understood that the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should all cover within the protection scope of the present invention.

Claims (13)

1. a data storage method, is characterized in that, described method is applied to the first edge computing MEC server, described method comprises: Receive service information sent by the first base station; the service information includes location information obtained from the service information and service type information of the service information; According to the service type information, determine whether the service information is information for a location-related service; When the service information is information for a location-related service, sending the service information to a second MEC server, so as to be used when the second MEC server determines that the location information in the service information is located in When within the first preset range of the second base station, the second MEC server stores the service information. 2. The method according to claim 1, wherein the method further comprises: The business information is sent to a centralized database for the centralized database to store the business information. 3. The method according to claim 1, wherein the method further comprises: When the business information is not information for a location-related business, the business information is sent to a centralized database for the centralized database to store the business information. 4. A data storage method, wherein the method is applied to a second edge computing MEC server; the method comprises: Receive the service information sent by the first MEC server; the service information includes the location information for obtaining the service information and the service type information of the service information; wherein, the service type information indicates that the service information is used for and location-related business information; determining, according to the received location information in the service information, whether the location information is within a first preset range of the second base station; When the location information is located within the first preset range of the second base station, the service information is stored. 5. The method according to claim 4, wherein the method further comprises: When the location information is not located within the first preset range of the second base station, the service information is deleted. 6. The method according to claim 4, wherein the method further comprises: Send a service request to the centralized database; the service request carries service type information, the identifier of the second MEC server and the first preset range, so that the centralized database can use the service type information and the first preset range for the centralized database. Preset range, determine service information, and send the service information to the second MEC server corresponding to the identifier of the second MEC server; storing the service information sent by the centralized database; The service information includes service type information and location information for obtaining the service information. 7. A data storage device, wherein the device is applied to a first edge computing MEC server, and the device comprises: a receiving module, configured to receive service information sent by the first base station; the service information includes location information obtained from the service information and service type information of the service information; a determining module, configured to determine, according to the service type information, whether the service information is information for a location-related service; A sending module, configured to send the service information to a second MEC server when the service information is information for a service related to a location, so as to be used when the second MEC server determines the service information in the service information. When the location information is within the first preset range of the second base station, the second MEC server stores the service information. 8 . The apparatus according to claim 7 , wherein the sending module is further configured to send the service information to a centralized database, so that the centralized database stores the service information. 9 . 9. The device according to claim 7, wherein the sending module is further configured to: When the business information is not information for a location-related business, the business information is sent to a centralized database for the centralized database to store the business information. 10. A data storage device, wherein the device is applied to a second edge computing MEC server; the device comprises: a receiving module, configured to receive service information sent by the first MEC server; the service information includes location information obtained from the service information and service type information of the service information; wherein, the service type information is used to characterize the service Information is information used for location-related business; a determining module, configured to determine whether the location information is located within the first preset range of the second base station according to the received location information in the service information; A storage module, configured to store the service information when the location information is within a first preset range of the second base station. 11. The apparatus of claim 10, wherein the apparatus further comprises: A sending module, configured to send a service request to the centralized database; the service request carries service type information, the identifier of the second MEC server and the first preset range, so that the centralized database can use the service type information according to the service type information. and the first preset range, determine service information, and send the service information to the second MEC server corresponding to the identifier of the second MEC server; The storage module is further configured to store the service information sent by the centralized database; The service information includes service type information and location information for obtaining the service information. 12. A data storage system, characterized in that the system comprises a first base station and a second base station, and a first edge computing MEC server arranged in a second preset range of the first base station, and a first edge computing MEC server arranged in the A second MEC server and a centralized database within a third preset range of the second base station; The first MEC server is configured to receive service information sent by the first base station, where the service information includes location information obtained from the service information and service type information of the service information; and according to the service type information , determine whether the service information is information for a position-related service; when the service information is for a position-related service, send the service information to the second MEC server; the a first MEC server, further configured to send the service information to the centralized database; The second MEC server is configured to determine, according to the received location information in the service information, whether the location information is located within the first preset range of the second base station; when the location information is located within the first preset range of the second base station; when the second base station is within the first preset range, storing the service information; The centralized database is used to store the service information sent by the first MEC server. 13. A computer storage medium, wherein computer program instructions are stored on the computer storage medium, and when the computer program instructions are executed by a processor, the data storage method according to any one of claims 1-3 is implemented , or implement the data storage method according to any one of claims 4-6.

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