CN110944038A - CDN scheduling method and system - Google Patents
CDN scheduling method and system Download PDFInfo
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- CN110944038A CN110944038A CN201911039635.1A CN201911039635A CN110944038A CN 110944038 A CN110944038 A CN 110944038A CN 201911039635 A CN201911039635 A CN 201911039635A CN 110944038 A CN110944038 A CN 110944038A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1023—Server selection for load balancing based on a hash applied to IP addresses or costs
Abstract
The embodiment of the invention provides a CDN scheduling method and a system. The method comprises the following steps: the scheduling server receives a data request sent by the terminal, wherein the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station; the scheduling server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station; and the dispatching server dispatches the data request to the target edge server so that the terminal acquires target data through the target edge server. The embodiment of the invention can enable the scheduling server to select a proper edge server from the edge servers corresponding to the 5G base stations which are in communication connection with the terminal for scheduling, thereby enabling the scheduled edge server to be more accurate and improving the downloading speed of data.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a CDN scheduling method and a system.
Background
A CDN (Content Delivery Network) is a server deployment architecture for providing a download service, and a basic idea of the CDN is to avoid bottlenecks and links on the internet that may affect data transmission speed and stability as much as possible, so that Content transmission is faster and more stable.
A typical implementation of a CDN is an architecture consisting of a dispatch server and an edge server. The scheduling server is responsible for scheduling the request of the terminal, and the edge server is used for caching data. When a terminal requests a scheduling server to download data, the scheduling server selects a suitable one from a plurality of available edge servers according to an IP (Internet Protocol) address of the terminal, and schedules the request of the terminal to the edge server.
The above technical architecture is applicable to a current 3G (3rd-Generation, third Generation mobile communication technology) network, a 4G (4rd-Generation, fourth Generation mobile communication technology) network, but a problem may occur in a 5G (5rd-Generation, fifth Generation mobile communication technology) network. In a 5G network, the CDN architecture will further sink the edge server, and typically deploy it near each 5G base station, so that the edge server is closer to the user to provide faster download speed. However, in the existing 5G architecture, when the terminal is in a large area, the IP address of the terminal does not change in the area regardless of which 5G base station communicates with, and therefore the edge server selected by the scheduling server according to the IP address may not be optimal, which may cause inaccuracy of the edge server scheduled by the scheduling server and affect the data download speed.
Disclosure of Invention
The embodiment of the invention aims to provide a CDN scheduling method and a CDN scheduling system so as to realize that an edge server scheduled by a scheduling server is more accurate and improve the downloading speed of data. The specific technical scheme is as follows:
in a first aspect of the present invention, a CDN scheduling method is provided first, where a terminal is in communication connection with a scheduling server through a 5G network, and the method includes:
the scheduling server receives a data request sent by the terminal, wherein the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station;
the scheduling server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station;
and the dispatching server dispatches the data request to the target edge server so that the terminal acquires target data through the target edge server.
Optionally, the scheduling server pre-stores a corresponding relationship between the 5G base station and the edge server; the step that the dispatching server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station comprises the following steps: the dispatching server searches an edge server corresponding to the 5G base station from the corresponding relation according to the identifier of the 5G base station; and the dispatching server selects an edge server cached with the target data from the searched edge servers as the target edge server.
Optionally, before the step of receiving, by the scheduling server, the data request sent from the terminal, the method further includes: and after the terminal successfully establishes communication connection with the 5G base station, inquiring the identifier of the 5G base station according to a preset time interval.
Optionally, the step of querying the identifier of the 5G base station includes: the terminal sends an identification query request to a query server corresponding to the 5G base station; the identification query request is agreed by the terminal and the query server in advance; the terminal receives the identifier of the 5G base station returned by the query server after responding to the identifier query request; the identifier of the 5G base station is stored in the query server in advance.
Optionally, before the step of receiving, by the scheduling server, the data request sent from the terminal, the method further includes: and the terminal adds the identifier of the 5G base station as a new field or a new parameter to the data request and sends the data request to the scheduling server.
In a second aspect of the present invention, there is further provided a CDN scheduling system, where the system includes a terminal, a 5G base station, and a scheduling server, the terminal is in communication connection with the scheduling server through a 5G network, and the scheduling server includes:
a receiving module, configured to receive a data request sent from the terminal, where the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station;
a determining module, configured to determine, according to the identifier of the 5G base station, a target edge server corresponding to the 5G base station;
and the scheduling module is used for scheduling the data request to the target edge server so that the terminal can obtain target data through the target edge server.
Optionally, the scheduling server pre-stores a corresponding relationship between the 5G base station and the edge server; the determining module comprises: a searching unit, configured to search, according to the identifier of the 5G base station, an edge server corresponding to the 5G base station from the corresponding relationship; and the selecting unit is used for selecting one edge server cached with the target data from the searched edge servers as the target edge server.
Optionally, the terminal includes: and the query module is used for querying the identifier of the 5G base station according to a preset time interval after the communication connection is successfully established with the 5G base station.
Optionally, the system further includes a query server, and the query module includes: a request sending unit, configured to send an identifier query request to a query server corresponding to the 5G base station; the identification query request is agreed by the terminal and the query server in advance; an identifier receiving unit, configured to receive an identifier of the 5G base station, which is returned by the query server after responding to the identifier query request; the identifier of the 5G base station is stored in the query server in advance.
Optionally, the terminal includes: and the sending module is used for adding the identifier of the 5G base station into the data request as a new field or a new parameter and sending the data request to the scheduling server.
According to the CDN scheduling method and system provided by the embodiment of the invention, the terminal is in communication connection with the scheduling server through the 5G network, the scheduling server receives a data request sent by the terminal, the data request carries an identifier of the 5G base station, and the terminal is in communication connection with the 5G base station; the scheduling server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station; and the dispatching server dispatches the data request to the target edge server so that the terminal acquires the target data through the target edge server. Therefore, in the 5G network, because a corresponding edge server is deployed near each 5G base station, if the scheduling server selects an edge server for scheduling according to the IP address of the terminal, the edge server to be scheduled is not the edge server corresponding to the 5G base station in communication connection with the terminal, so that scheduling is inaccurate, and the data download speed is affected. According to the embodiment of the invention, the identifier of the 5G base station in communication connection with the terminal is notified to the scheduling server, so that the scheduling server can select a proper edge server from the edge servers corresponding to the 5G base station in communication connection with the terminal for scheduling, the scheduled edge server is more accurate, and the data downloading speed is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a system architecture diagram according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a CDN scheduling method according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating a CDN scheduling method according to a second embodiment of the present invention.
Fig. 4 is a block diagram of a CDN scheduling system in a third embodiment of the present invention.
Fig. 5 is a block diagram of a CDN scheduling system in a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
In the CDN architecture, when a terminal wants to download data, a data request is sent to a scheduling server; the dispatching server selects a proper target edge server according to the data request and returns the information of the target edge server to the terminal; and the terminal downloads corresponding data from the target edge server according to the information of the target edge server.
In 3G and 4G network environments, a plurality of base stations correspond to an edge server in many cases, for example, if an edge server is set in beijing, then the base stations in beijing all correspond to the edge server, and when the IP address of the terminal corresponds to beijing, the scheduling server can select the edge server in beijing to schedule according to the IP address of the terminal. In the 5G network environment, one or more corresponding edge servers are deployed near each base station, and when the IP address of the terminal corresponds to beijing city, if the scheduling server still selects one edge server in beijing city according to the IP address of the terminal for scheduling, it cannot be guaranteed that the selected edge server corresponds to the base station to which the terminal is currently accessed, which results in inaccurate scheduling and affects the data downloading speed.
Fig. 1 is a system architecture diagram according to an embodiment of the present invention. In a 5G network, an operator's base station, an Edge server of a content provider, and a server that the operator can provide other types of services (such as a query service) are generally deployed in very close positions physically or topologically, and such a group of devices are deployed together and may be referred to as an MEC (Mobile Edge Computing) node. As shown in fig. 1, a 5G base station a, an inquiry server B and an edge server C are deployed in MEC _ 1; MEC _2 has deployed 5G base station X, query server Y and edge server Z. The edge server C and the edge server Z may be both one server or a server cluster. The terminal, the scheduling server, the query server and the edge server can be in communication connection through a 5G network. The terminal can be a mobile phone, a tablet computer, a wearable device, and the like.
The CDN scheduling method of the embodiment of the present invention mainly relates to a process of performing CDN scheduling using a system architecture shown in fig. 1 in a 5G network environment. The embodiment of the invention can realize that the data request of the terminal is accurately scheduled to the edge server corresponding to the 5G base station which is accessed by the terminal currently in the 5G network environment.
Example one
Fig. 2 is a flowchart illustrating a CDN scheduling method according to an embodiment of the present invention.
The CDN scheduling method in the embodiment of the present invention may include the following steps:
In step 201, after the terminal is in communication connection with the 5G base station, in order to enable the scheduling server to schedule the data request of the terminal to the edge server corresponding to the 5G base station in communication connection with the terminal, the terminal may acquire the identifier of the 5G base station in communication connection with the terminal. The terminal sends a data request to the scheduling server, the data request carries the identifier of the 5G base station which is in communication connection with the terminal, and the scheduling server receives the data request sent by the terminal.
In step 202, after receiving the data request sent by the terminal, the scheduling server may determine, according to the identifier of the 5G base station carried in the data request, a target edge server corresponding to the 5G base station in communication connection with the terminal.
In step 203, the scheduling server schedules the data request to the target edge server, and the terminal may obtain target data corresponding to the data request from the target edge server. The target edge server is an edge server corresponding to the 5G base station in communication connection with the terminal, so that the terminal can more accurately and quickly acquire target data from the target edge server.
In the 5G network, because a corresponding edge server is deployed near each 5G base station, if the scheduling server selects an edge server for scheduling according to the IP address of the terminal, the scheduled edge server is not the edge server corresponding to the 5G base station in communication connection with the terminal, which results in inaccurate scheduling and affects the data downloading speed. According to the embodiment of the invention, the identifier of the 5G base station in communication connection with the terminal is notified to the scheduling server, so that the scheduling server can select a proper edge server from the edge servers corresponding to the 5G base station in communication connection with the terminal for scheduling, the scheduled edge server is more accurate, and the data downloading speed is improved.
Example two
Fig. 3 is a flowchart illustrating a CDN scheduling method according to a second embodiment of the present invention.
The CDN scheduling method in the embodiment of the present invention may include the following steps:
In step 301, the 5G base station communicatively connected to the terminal may change at any time, considering that the user using the 5G network has mobility. Taking fig. 1 as an example, the terminal currently accesses a 5G base station a, which belongs to the MEC _1 node, and if the user moves and the terminal currently accesses a 5G base station X after the user moves, the identifier of the 5G base station in communication connection with the terminal should be updated in time in order to ensure the scheduling accuracy. Therefore, in the embodiment of the present invention, after the terminal successfully establishes the communication connection with the 5G base station, the identifier of the 5G base station in communication connection with the terminal is queried according to the preset time interval.
The successful establishment of the communication connection between the terminal and the 5G base station may be that the terminal is automatically accessed to the 5G network after being initially started, or that the terminal is switched to the 5G network after network switching. For the specific numerical value of the preset time interval, if the updating is too fast, the meaning is not great and the access pressure to the query server is too great; if the update is too slow, the update is not timely, and the scheduling is not accurate. Any suitable value may be selected by one skilled in the art based on practical experience, and the embodiment of the present invention is not limited thereto. For example, for video download, if the length of each video slice stored by the edge server is 5-10 minutes, the time interval may be selected to be 5 minutes, and so on.
In an alternative embodiment, each MEC includes a 5G base station and a query server. The query server may store therein an identifier of a 5G base station corresponding to the query server (i.e., a 5G base station belonging to the same MEC as the query server). The inquiry server can be provided with an inquiry interface, and the terminal and the inquiry server agree in advance in the form of an identification inquiry request, so that the terminal can inquire the identification of the 5G base station which is in communication connection with the terminal from the inquiry server.
The step of querying the identity of the 5G base station may comprise: the terminal sends an identification query request to a query server corresponding to the 5G base station; and the terminal receives the identifier of the 5G base station returned by the query server after responding to the identifier query request.
After the terminal sends the identification query request to the 5G base station in communication connection with the terminal, the 5G base station automatically dispatches the identification query request to the corresponding query server, the query server receives the identification query request and obtains the identification of the 5G base station stored by the query server, the identification is the identification of the 5G base station in communication connection with the terminal, the query server returns the obtained identification of the 5G base station to the corresponding 5G base station, and the 5G base station automatically returns the identification of the 5G base station to the terminal.
Optionally, since the query request for the identifier of the 5G base station has higher real-time performance, the identifier query request may be in the form of a HTTP (Hyper Text Transfer Protocol) request, so as to ensure a query speed.
In step 302, the terminal accesses the scheduling server, transmits a data request to the scheduling server through the 5G base station communicatively connected to the terminal, and intends to transmit an identification of the 5G base station to the scheduling server. In an alternative implementation, the terminal may add the identifier of the 5G base station as a new field or a new parameter to the data request, and then send the data request with the identifier added to the scheduling server.
Optionally, the manner in which the terminal sends the data request to the scheduling server may select an HTTP manner, a Socket (Socket) connection, and the like, which is not limited in this embodiment of the present invention.
In step 303, the scheduling server receives a data request transmitted from the terminal. The data request carries, in addition to the identifier of the 5G base station communicatively connected to the terminal, information of the target data, such as a Uniform Resource Locator (URL) of the target data.
In step 304, the scheduling server stores the correspondence between the 5G base station and the edge server in advance. Taking fig. 1 as an example, the corresponding relationships are (5G base station a, edge server C), (5G base station X, edge server Z). And after receiving the data request, the scheduling server analyzes the data request to obtain the identifier of the 5G base station carried in the data request, searches the edge server corresponding to the 5G base station from the stored corresponding relation according to the identifier of the 5G base station, and selects one edge server cached with target data from the searched edge servers as a target edge server.
When the edge server cached with the target data is selected, the scheduling server analyzes and obtains information such as URL of the target data carried in the data request, and searches the edge server cached with the target data from the searched edge server corresponding to the 5G base station according to the URL. If one edge server cached with the target data is found, the edge server can be used as the target edge server; if a plurality of edge servers cached with target data are found, one of the edge servers may be selected as the target edge server, for example, the edge server with the latest caching time and the smallest caching file is selected, and the like, which is not limited in this embodiment.
In step 305, the scheduling server schedules the data request to the target edge server, and the terminal obtains the target data through the target edge server. In implementation, the scheduling server returns the information of the target edge server to the terminal through the 5G base station in communication connection with the terminal. The information of the target edge server may be information such as an IP address. And the terminal acquires the information of the target edge server returned by the dispatching server, and sends a data request to the target edge server through the 5G base station in communication connection with the terminal according to the information of the target edge server, wherein the data request can be the same as the data request sent to the dispatching server by the terminal. And after receiving the data request, the target edge server searches target data corresponding to the data request from a cache of the target edge server according to the URL carried in the data request, and returns the target data corresponding to the data request to the terminal through a 5G base station in communication connection with the terminal, so that the terminal successfully downloads the data.
The embodiment of the invention can ensure that the data request of the terminal is accurately dispatched to the edge server corresponding to the 5G base station which is in communication connection with the terminal in the 5G network environment, thereby ensuring the accuracy of dispatching and improving the data downloading speed; and the identifier of the 5G base station in communication connection with the terminal can be updated in time, so that scheduling errors are avoided.
EXAMPLE III
Fig. 4 is a block diagram of a CDN scheduling system in a third embodiment of the present invention. The CDN scheduling system of the embodiment of the present invention includes a terminal 41, a 5G base station 42, a scheduling server 43, and an edge server 44, where the terminal 41 is in communication connection with the scheduling server 43 through a 5G network.
The scheduling server 43 of the embodiment of the present invention includes the following modules:
a receiving module 431, configured to receive a data request sent by the terminal, where the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station.
A determining module 432, configured to determine, according to the identifier of the 5G base station, a target edge server corresponding to the 5G base station.
A scheduling module 433, configured to schedule the data request to the target edge server, so that the terminal obtains target data through the target edge server.
According to the embodiment of the invention, the dispatching server is informed of the identifier of the 5G base station in communication connection with the terminal, so that the dispatching server can select a proper edge server from the edge servers corresponding to the 5G base station in communication connection with the terminal for dispatching, the dispatched edge server is more accurate, and the data downloading speed is increased.
Example four
Fig. 5 is a block diagram of a CDN scheduling system in a fourth embodiment of the present invention. The CDN scheduling system of the embodiment of the invention comprises a terminal 51, a 5G base station 52, a scheduling server 53 and an edge server 54, wherein the terminal 51 is in communication connection with the scheduling server 53 through a 5G network.
The dispatch server 53 includes the following modules:
a receiving module 531, configured to receive a data request sent from the terminal, where the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station.
A determining module 532, configured to determine, according to the identifier of the 5G base station, a target edge server corresponding to the 5G base station.
The scheduling module 533 is configured to schedule the data request to the target edge server, so that the terminal obtains target data through the target edge server.
Optionally, the scheduling server 53 pre-stores a corresponding relationship between the 5G base station and the edge server; the determining module 532 includes: a searching unit 5321, configured to search, according to the identifier of the 5G base station, an edge server corresponding to the 5G base station from the corresponding relationship; a selecting unit 5322, configured to select an edge server cached with the target data from the found edge servers as the target edge server.
Optionally, the terminal 51 includes: the query module 511 is configured to query the identifier of the 5G base station according to a preset time interval after the communication connection is successfully established with the 5G base station.
Optionally, the system further includes a query server 55, and the query module 511 includes: a request sending unit 5111, configured to send an identifier query request to a query server corresponding to the 5G base station; the identification query request is agreed by the terminal and the query server in advance; an identifier receiving unit 5112, configured to receive an identifier of the 5G base station, which is returned by the query server after responding to the identifier query request; the identifier of the 5G base station is stored in the query server in advance.
Optionally, the identification query request is a hypertext transfer protocol HTTP request.
Optionally, the terminal 51 includes: a sending module 512, configured to add the identifier of the 5G base station as an additional field or an additional parameter to the data request, and send the data request to the scheduling server.
The embodiment of the invention can ensure that the data request of the terminal is accurately dispatched to the edge server corresponding to the 5G base station which is in communication connection with the terminal in the 5G network environment, thereby ensuring the accuracy of dispatching and improving the data downloading speed; and the identifier of the 5G base station in communication connection with the terminal can be updated in time, so that scheduling errors are avoided.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A CDN scheduling method is characterized in that a terminal is in communication connection with a scheduling server through a 5G network, and the method comprises the following steps:
the scheduling server receives a data request sent by the terminal, wherein the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station;
the scheduling server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station;
and the dispatching server dispatches the data request to the target edge server so that the terminal acquires target data through the target edge server.
2. The method according to claim 1, wherein the scheduling server pre-stores the corresponding relationship between the 5G base station and the edge server; the step that the dispatching server determines a target edge server corresponding to the 5G base station according to the identifier of the 5G base station comprises the following steps:
the dispatching server searches an edge server corresponding to the 5G base station from the corresponding relation according to the identifier of the 5G base station;
and the dispatching server selects an edge server cached with the target data from the searched edge servers as the target edge server.
3. The method according to claim 1, wherein before the step of the scheduling server receiving the data request transmitted from the terminal, the method further comprises:
and after the terminal successfully establishes communication connection with the 5G base station, inquiring the identifier of the 5G base station according to a preset time interval.
4. The method of claim 3, wherein the step of querying the identity of the 5G base station comprises:
the terminal sends an identification query request to a query server corresponding to the 5G base station; the identification query request is agreed by the terminal and the query server in advance;
the terminal receives the identifier of the 5G base station returned by the query server after responding to the identifier query request; the identifier of the 5G base station is stored in the query server in advance.
5. The method according to claim 1, wherein before the step of the scheduling server receiving the data request transmitted from the terminal, the method further comprises:
and the terminal adds the identifier of the 5G base station as a new field or a new parameter to the data request and sends the data request to the scheduling server.
6. The CDN scheduling system is characterized by comprising a terminal, a 5G base station, a scheduling server and an edge server, wherein the terminal is in communication connection with the scheduling server through a 5G network, and the scheduling server comprises:
a receiving module, configured to receive a data request sent from the terminal, where the data request carries an identifier of a 5G base station, and the terminal is in communication connection with the 5G base station;
a determining module, configured to determine, according to the identifier of the 5G base station, a target edge server corresponding to the 5G base station;
and the scheduling module is used for scheduling the data request to the target edge server so that the terminal can obtain target data through the target edge server.
7. The system according to claim 6, wherein the scheduling server pre-stores the corresponding relationship between the 5G base station and the edge server; the determining module comprises:
a searching unit, configured to search, according to the identifier of the 5G base station, an edge server corresponding to the 5G base station from the corresponding relationship;
and the selecting unit is used for selecting one edge server cached with the target data from the searched edge servers as the target edge server.
8. The system of claim 6, wherein the terminal comprises:
and the query module is used for querying the identifier of the 5G base station according to a preset time interval after the communication connection is successfully established with the 5G base station.
9. The system of claim 8, further comprising a query server, the query module comprising:
a request sending unit, configured to send an identifier query request to a query server corresponding to the 5G base station; the identification query request is agreed by the terminal and the query server in advance;
an identifier receiving unit, configured to receive an identifier of the 5G base station, which is returned by the query server after responding to the identifier query request; the identifier of the 5G base station is stored in the query server in advance.
10. The system of claim 6, wherein the terminal comprises:
and the sending module is used for adding the identifier of the 5G base station into the data request as a new field or a new parameter and sending the data request to the scheduling server.
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| Publication number | Priority date | Publication date | Assignee | Title |
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