CN115426413B - Edge node scheduling method, device, medium and equipment based on 5G - Google Patents
Edge node scheduling method, device, medium and equipment based on 5G Download PDFInfo
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Abstract
The application relates to a 5G-based edge node scheduling method, a device, a medium and equipment, wherein the 5G-based edge node scheduling method is applied to an edge management node and comprises the following steps: receiving a data request carrying a target node identifier forwarded by a UPF network element; generating an analysis request aiming at the target node identification, and sending the analysis request to a dispatching node; receiving an IP address of a target node fed back by a scheduling node, wherein the target node is determined by the scheduling node according to a target node identifier; and feeding back the IP address of the target node to the UPF network element. The technical scheme can ensure the response success rate of the data request and reduce the complexity of updating the address list for a plurality of times.
Description
Technical Field
The present disclosure relates to the field of 5G communications, and in particular, to a 5G-based edge node scheduling method, apparatus, medium, and device.
Background
In the related art, when data is transmitted in a 5G communication network, an access address of a server obtained from an access address list by a UPF network element according to a data request of an access target application is relatively fixed, but when the server cannot support a service, the service cannot be flexibly adjusted in time. And the updating of the access address list requires the operator side to open the corresponding interface, so that the updating step is complicated. Therefore, how to ensure the response success rate of the data request and reduce the complexity of updating the address list becomes a technical problem to be solved urgently.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a 5G-based edge node scheduling method, a device, a medium and equipment.
According to one aspect of the present application, there is provided a 5G-based edge node scheduling method, which is applied to an edge management node, including:
receiving a data request which is forwarded by a UPF network element and carries a target node identifier, wherein the data request is forwarded by the UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider;
generating an analysis request aiming at the target node identification, and sending the analysis request to a scheduling node;
receiving an IP address of a target node fed back by the scheduling node, wherein the target node is determined by the scheduling node according to the target node identification;
and feeding back the IP address of the target node to the UPF network element.
In some embodiments of the present application, based on the foregoing solution, before the receiving the data request with the destination node identifier forwarded by the UPF network element, the method further includes:
acquiring a network address IP section corresponding to an autonomous domain of a service provider;
registering a network address IP segment corresponding to the autonomous domain of the service provider to a 5G communication network.
In some embodiments of the present application, based on the foregoing,
the generating an parsing request for the target node identification includes:
acquiring an IP address of the scheduling node;
and generating an analysis request aiming at the target node identification, wherein the analysis address of the analysis request is the IP address of the dispatching node.
According to one aspect of the present application, there is provided a 5G-based edge node scheduling method, applied to a scheduling node, including:
receiving an analysis request aiming at a target node identifier, which is sent by an edge management node, wherein the analysis request is generated by the edge management node according to a data request carrying the target node identifier, and the data request is forwarded to the edge management node by a UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider;
according to the target node identification, determining an IP address of a target node corresponding to the target node identification;
and feeding back the IP address of the target node to the edge management node.
In some embodiments of the present application, based on the foregoing solution, the determining, according to the target node identifier, an IP address of a target node corresponding to the target node identifier includes:
According to the target node identification, acquiring an edge node list corresponding to the target node identification;
detecting the health value of the edge nodes in the edge node list, and identifying the edge nodes with the health value being greater than or equal to a preset threshold as alternative edge nodes;
and determining an alternative edge node with the optimal route between the alternative edge node and the edge management node as a target node.
In some embodiments of the present application, based on the foregoing solution, after the detecting the health value of the edge node in the edge node list, the method further includes:
and adding the edge nodes with the health values smaller than the preset threshold value into a fault list.
In some embodiments of the present application, based on the foregoing solution, before the receiving the resolution request for the target node identifier sent by the edge management node, the method further includes:
and carrying out route announcement on the public network according to the network address IP section corresponding to the autonomous domain of the service provider.
In some embodiments of the present application, based on the foregoing solution, before the determining, according to the destination node identifier, an IP address of a destination node corresponding to the destination node identifier, the method further includes:
When a new edge node access is detected, the IP address of the newly accessed edge node is added into the IP address record of the IP segment of the corresponding network address.
According to one aspect of the present application, there is provided a 5G-based edge node scheduling apparatus, the 5G-based edge node scheduling apparatus being applied to an edge management node, including:
the data request receiving module receives a data request which is forwarded by a UPF network element and carries a target node identifier, wherein the data request is forwarded by the UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider;
the scheduling module is used for generating an analysis request aiming at the target node identification and sending the analysis request to a scheduling node;
the scheduling result receiving module is used for receiving the IP address of the target node fed back by the scheduling node, and the target node is determined by the scheduling node according to the target node identification;
and the first feedback module is used for feeding back the IP address of the target node to the UPF network element.
According to one aspect of the present application, there is provided a 5G-based edge node scheduling apparatus, applied to a scheduling node, including:
the device comprises an analysis request receiving module, a target node identification receiving module and a service provider node identification receiving module, wherein the analysis request is sent by an edge management node and is generated by the edge management node according to a data request carrying the target node identification, and the data request is forwarded to the edge management node by a UPF network element according to a network address IP section corresponding to the self-control domain of the service provider;
The analysis module is used for determining the IP address of the target node corresponding to the target node identifier according to the target node identifier;
and the second feedback module is used for feeding back the IP address of the target node to the edge management node.
According to another aspect of the present application, there is provided a computer readable storage medium having stored thereon a computer program which when executed implements the steps of the method as described above.
According to another aspect of the present application there is provided a computer device comprising a processor, a memory and a computer program stored on the memory, the processor implementing the steps of the method as described above when executing the computer program.
According to the edge node scheduling method based on 5G, an edge management node receives a data request which is forwarded by a UPF network element and carries a target node identifier, generates an analysis request aiming at the target node identifier, sends the analysis request to a scheduling node, and determines an IP address of the target node by the scheduling node, so that when a client requests data through the UPF network element, the scheduling node of a server selects the target node to provide service for the client, and when the server fails, the access address can be flexibly adjusted in time, the failed server is eliminated, and the response is ensured in time; and the updating of the access address list does not need to open a corresponding interface at the 5G operator side, so that the safety and reliability of the 5G communication network system are ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
fig. 1 is a flow chart illustrating a 5G-based edge node scheduling method according to an exemplary embodiment.
Fig. 2 is a flow chart illustrating a 5G-based edge node scheduling method according to an exemplary embodiment.
Fig. 3 is a flow chart illustrating a 5G-based edge node scheduling method according to an exemplary embodiment.
Fig. 4 is a scheduling diagram of a 5G-based edge node scheduling method according to an exemplary embodiment of the present application.
Fig. 5 is a block diagram illustrating a 5G-based edge node scheduler in accordance with an exemplary embodiment.
Fig. 6 is a block diagram illustrating a 5G-based edge node scheduler in accordance with an exemplary embodiment.
FIG. 7 is a block diagram of a computer device, according to an example embodiment.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.
With the advent of the 5G era, in the 5G network, the data transmission speed is greatly improved, taking the communication network SMF/architecture as an example, in the current technology, a UPF (User Plane Function ) network element splitting policy is set by an SMF (Session Management Function ) network element, so that a corresponding access request in the communication network is split to an MEC (Mobile Edge Computing, edge computing technology) edge cloud, and the data response speed is improved. However, the access address of each target application needs to be preset by the MEC edge cloud, so that the access address of the target application acquired by the UPF network element is relatively fixed, once a node in the data network fails or the interface is abnormal, the UPF network element cannot adjust the access address of the target application in time, which tends to affect the response speed of the data, even causes that the target data cannot be acquired, and affects the user experience.
In order to solve the above problems, the present application provides a 5G-based edge node scheduling method.
Fig. 1 shows a flowchart of a 5G-based edge node scheduling method according to an exemplary embodiment of the present application. Referring to fig. 1, the 5G-based edge node scheduling method is applied to an edge management node, and the 5G-based edge node scheduling method at least includes steps S11 to S14, and is described in detail as follows:
in step S11, a data request carrying a target node identifier forwarded by a UPF network element is received, where the data request is forwarded by the UPF network element according to a network address IP segment corresponding to an autonomous domain of a service provider.
The target node may be an edge node that provides data services required by the user (e.g., the data services may be data storage, data retrieval, or application support, etc.). It should be noted that, one edge node may provide a single data service or may provide multiple data services, so the number of edge nodes may be one or two or more, or any number thereof, which is not limited in this application.
The target node identifier may be identifier information associated with the target node, and the corresponding target node may be determined according to the target node identifier. It should be noted that, the target node identifier described in the present application may not only uniquely determine a certain edge node, but also may be common attribute information of multiple edge nodes, for example, have the same IP segment, correspond to the same domain name, be in the same area, or support the same data service, etc.
The data request may be information to request a corresponding data service, such as an application access request. In an example, a user may click on a particular area in the terminal interface (e.g., a "confirm access" key, etc.) to generate a corresponding data request, which may contain the target node identification. The terminal device may transmit the data request in the 5G communication network to determine a target node corresponding to the target node identification.
In an exemplary embodiment of the present application, the client connects to the 5G network through the base station, and the data request is sent to the UPF (User Plane Fuction, user plane function) network element. The 5G operator sets up UPF splitting policies in advance through SMF (Session Management Function ) network elements. According to the offloading policy, the UPF network element may forward the data request carrying the target node identifier to the corresponding edge management node, and forward the data request not carrying the target node identifier to the 5G core network. It should be noted that, in order to implement the 5G-based edge node scheduling method provided in the present application, a network server may cooperate with a 5G communication network operator to implement convergence of a communication network and a data network.
The target node identifier may be a domain name, an IP segment, an area where the client is located, which are preset in the edge node in the edge management node, or may be a type of content stored in the edge node, a function of the edge node, and so on. For example, the service provider sets an edge node in the IP segment of the network address corresponding to the autonomous domain, for providing services for the domain name a. The 5G operator configures a UPF distribution strategy through an SMF network element in the 5G communication network, the UPF receives a data request, the data request carries a target node identifier of 'domain name A', and the UPF determines that the access request is provided with service by an edge node in a network address IP section corresponding to an autonomous domain of a service provider, so the access request is forwarded to an edge management node.
In step S12, an resolution request for the target node identification is generated and sent to a scheduling node.
The resolution request may be information for requesting determination of the IP address of the target node. In an example, the resolution request may include a destination node identifier, so that the IP address of the corresponding destination node may be determined according to the destination node identifier included in the resolution request.
The scheduling node may be a network device of a service provider, and the scheduling node may be a processing node with a node allocation function, and after receiving the parsing request, the scheduling node may determine an IP address of a corresponding target node according to a target node identifier included in the parsing request, and feed back the IP address of the target node to the edge management node. It should be appreciated that a target node identifier may correspond to a plurality of edge nodes, and thus, the scheduling node may determine a plurality of edge nodes corresponding to the target node identifier according to the target node identifier, and then select one of the plurality of edge nodes as a target node for feedback, for example, may determine the target node according to an optimal route or a node health value, and so on.
In an exemplary embodiment of the present application, according to a target node identifier in a received data request, an edge management node generates an analysis request for the target node identifier, and sends the analysis request to a scheduling node, and the scheduling node analyzes an IP address of the target node. For example, if the target node is identified as a domain name, a resolution request for the domain name is generated to cause the dispatch node to determine an edge node that serves the domain name. If the target node is identified as the area in which the client is located, a resolution request is generated for the area to cause the scheduling node to determine the edge node that serves the area. If the target node is identified as a combination of the domain name and the region in which the client is located, a resolution request for the domain name is generated that carries the region information in which the client is located, so that the scheduling node determines an edge node that serves the domain name accessed by the region client.
In step S13, an IP address of a target node fed back by the scheduling node is received, where the target node is determined by the scheduling node according to a target node identifier.
In an exemplary embodiment of the present application, the scheduling node determines, according to the received resolution request, a target node corresponding to a target node identifier included in the resolution request, and then feeds back an IP address of the target node to the edge management node. For example, the parsing request is a parsing request for an access area, and the scheduling node may determine, according to the area where the client is located, an edge node in the same area as a target node, and feed back an IP address of the target node to the edge management node.
In step S14, the IP address of the target node is fed back to the UPF network element.
In an exemplary embodiment of the present application, the edge management node may feed back the IP address of the target node fed back by the scheduling node to the UPF network element, where the UPF network element sends the IP address of the target node to the client used by the user, so that the client can establish a connection with the target node, thereby obtaining the corresponding data service.
In the embodiment shown in fig. 1, the edge management node generates an analysis request for the target node identification in the data request, analyzes the analysis request by the scheduling node, and determines the IP address of the target node. The scheduling node can schedule in the existing edge node, and determines the target node from the scheduling node, so that the problem that the access address of the server side for accessing the target application in the existing 5G communication network is relatively fixed is solved, the service robustness is ensured, and the response success rate of the data request is ensured. And the UPF network element forwards according to the network address IP section corresponding to the autonomous domain of the service provider, a specific access address list in the communication network is not required to be modified, and a 5G operator open address interface is not required, so that the safety and reliability of a 5G communication network system are ensured, and the complexity of updating the address list is reduced. In addition, the transmission of the part of data does not need to pass through the 5G core network, so that the occupation of the resources of the 5G core network is reduced while the data response speed is improved.
Based on the embodiment shown in fig. 1, in an exemplary embodiment of the present application, before the receiving the data request with the destination node identifier forwarded by the UPF network element, the 5G-based edge node scheduling method further includes:
acquiring a network address IP section corresponding to an autonomous domain of a service provider;
registering a network address IP segment corresponding to the autonomous domain of the service provider to the 5G communication network.
In this embodiment, the facilitator may be a CDN facilitator or an edge cloud computing facilitator, who may have a large number of edge nodes to cache data in the network/computation, providing targeted data to the user nearby. The service provider may own an autonomous domain with a corresponding network address IP segment. Before providing network service, the autonomous domain and its corresponding network address IP segment need to be announced to route outwards to establish connection with devices in other domains.
The 5G communication network operator and the network service provider cooperate to provide high-speed data service for the end user accessing the 5G communication network by using a large number of edge nodes of the service provider as MEC edge clouds. The 5G communication network operator needs to acquire a network address IP segment corresponding to the autonomous domain of the service provider, and register the network address IP segment corresponding to the autonomous domain of the service provider in the 5G communication network, for example, add the network address IP segment into the 5G communication record table, so that the IP address in the network address IP segment can be accessed by the 5G communication network. Edge nodes with IP addresses within the network address IP segment may provide MEC edge cloud services for 5G communication networks from which clients may obtain data.
Based on the embodiment shown in fig. 1, in an exemplary embodiment of the present application,
the generating an parsing request for the target node identification includes:
acquiring an IP address of the scheduling node;
and generating an analysis request aiming at the target node identification, wherein the analysis address of the analysis request is the IP address of the dispatching node.
In this embodiment, the edge management node may acquire the IP address of the scheduling node system, and when generating the resolution request, set the resolution address corresponding to the resolution request as the IP address of the scheduling node. Therefore, the edge management node can send the analysis request to the scheduling node for analysis, and the server side analyzes the analysis request, so that the analysis flexibility is improved.
Fig. 2 shows a flowchart of a 5G-based edge node scheduling method according to another exemplary embodiment of the present application. Referring to fig. 2, the 5G-based edge node scheduling method is applied to a scheduling node, and the 5G-based edge node scheduling method at least includes steps S21 to S23, and is described in detail as follows:
in step S21, an analysis request for a target node identifier sent by an edge management node is received, where the analysis request is generated by the edge management node according to a data request carrying the target node identifier, and the data request is forwarded to the edge management node by a UPF network element according to a network address IP segment corresponding to an autonomous domain of a service provider.
In this embodiment, corresponding to a scheduling method of an edge management node on the operator side, on the server side, the scheduling node receives an analysis request for a target node identifier sent by the edge management node.
In step S22, according to the destination node identifier, an IP address of the destination node corresponding to the destination node identifier is determined.
In this embodiment, the IP address of the target node corresponding to the target node identification is parsed by the scheduling node. Specifically, the scheduling node may search for an edge node corresponding to the target node identifier according to the target node identifier, and then determine the IP address of the corresponding target node from the edge node. For example, if the target node is identified as a domain name, the scheduling node determines an edge node serving the domain name as the target node; if the target node is identified as the area where the client is located, the scheduling node determines the edge node serving the area as the target node.
In step S23, the IP address of the target node is fed back to the edge management node.
In this embodiment, the scheduling node feeds back the IP address of the target node to the edge management node. And the edge management node feeds back the IP address of the target node to the client according to the path of the receiving request so as to connect the client with the target node and acquire the data content.
In the embodiment shown in fig. 2, the scheduling node receives an resolution request generated by the edge management node for the destination node identifier in the data request, resolves the resolution request, and determines the IP address of the destination node. The scheduling node can schedule in the existing edge node, and determines the target node from the scheduling node, so that the problem that the access address of the server side for accessing the target application in the existing 5G communication network is relatively fixed is solved, the service robustness is ensured, and the response success rate of the data request is ensured. The service provider can flexibly determine the target node according to the actual situation, does not need to update the address list by 5G, does not need to open an address interface by a 5G operator, ensures the safety and reliability of a 5G communication network system, and reduces the complexity of updating the address list. In addition, the target node responds to the data request, the transmission of the data request and the response data does not need to pass through the 5G core network, the data response speed is improved, and meanwhile, the occupation of the resources of the 5G core network is reduced.
In an exemplary embodiment, before receiving the resolution request for the target node identifier sent by the edge management node, the edge node scheduling method based on 5G further includes:
And carrying out route announcement on the public network according to the network address IP section corresponding to the autonomous domain of the service provider.
In this embodiment, in order to enable the IP address in the network address IP segment corresponding to the autonomous domain of the server to be accessed by the 5G communication network, the server needs to issue a route announcement and broadcast, so that the 5G communication network can acquire the network address IP segment corresponding to the autonomous domain of the server, and register the network address IP segment corresponding to the autonomous domain of the server in the 5G communication network. The edge node with the IP address in the IP segment of the network address corresponding to the server autonomous domain can then be discovered and a connection established by other devices in the network.
Fig. 3 shows a flowchart of a 5G-based edge node scheduling method according to another exemplary embodiment of the present application. Referring to fig. 3, in an exemplary embodiment, in step S22, determining the IP address of the target node according to the target node identification includes steps S221 to S223, which are described in detail below:
in step S221, according to the target node identifier, an edge node list corresponding to the target node identifier is obtained.
In this embodiment, the target node identity may be identity information associated with the target node, from which the edge node associated with the target node identity may be determined. For example, when the target node is a domain name, the edge node of the server at the domain name may be determined to be the associated edge node. When more clients access the domain name, a plurality of edge nodes can be set to serve the domain name at the same time, and at the moment, the plurality of edge nodes can be acquired according to the target node identification, so that the target edge node can be conveniently determined from the plurality of edge nodes later, an edge node list can be built for IP addresses of the plurality of edge nodes serving the same domain name, and the corresponding relation between the domain name and the edge node list can be built. When receiving a data request for a domain name, the scheduling node can quickly determine a corresponding edge node list.
In step S222, the health value of the edge node in the edge node list is detected, and the edge node whose health value is greater than or equal to the predetermined threshold value is selected as the candidate edge node.
The dispatching node can detect the edge nodes in the edge node list one by one in a mode of traversing the IP addresses of the edge node list, and the health value of each edge node is detected. The health value of an edge node may be numerical information representing the service capabilities of the edge node, which may be based on the traffic metrics of the edge node: determining factors such as throughput, response time, concurrency number, service success rate and the like, for example, monitoring the magnitude of each factor such as throughput, concurrency number, response time, service success rate and the like in unit time of the edge node, comparing the magnitude with a preset magnitude, and comprehensively calculating a score as a health value of the edge node; the resource index of the edge node can also be: if the consumption conditions of resources such as CPU, memory, I/O and the like are determined, for example, the consumption conditions of the resources such as CPU, memory, I/O and the like of the edge node are detected, and the remaining resource score is calculated and used as the health value of the edge node; or respectively multiplying the health value determined according to the business index and the health value determined according to the resource index by weight coefficients to comprehensively determine. It should be noted that, the higher the health value, the stronger the service capability of the edge node, and the lower the health value, the weaker the service capability of the edge node. In this embodiment, by presetting a health value threshold, only edge nodes with health values greater than the threshold can provide good service, and edge nodes with health values greater than the predetermined threshold are taken as candidate edge nodes.
In step S223, an edge node having an optimal route with the edge management node is determined as a target node from among the candidate edge nodes.
In this embodiment, an alternative edge node is determined, one edge node may be randomly selected from the alternative edge nodes as a target node, and the IP address of the target node is fed back to the client, so that the client establishes a connection with the target node, and the target node provides services for the client. In this embodiment, to further improve the response speed, the scheduling node further performs route detection on the candidate edge node, and uses the edge node having the optimal route with the edge management node as the target node. For example, an edge node that is least time consuming for information transfer may be determined as the target node, and so on.
The method selects the target node, so that the analyzed target node has good health degree, can provide service for the client, has optimal routes and can provide service for the client at the fastest response speed.
In an exemplary embodiment, after said detecting the health value of an edge node in said list of edge nodes, further comprising:
And adding the edge nodes with the health values smaller than the preset threshold value into a fault list.
In this embodiment, after an edge node fails, the failed edge node may be added to the failure list. In order that the failed edge node is not resolved by the scheduling node, the IP address of the failed edge node may be deleted from the edge node list. When the dispatching node analyzes, traversing the edge node list, determining an alternative edge node, deleting the IP address of the edge node with the fault from the edge node list, and then analyzing the edge node without the fault; or when the dispatching node traverses the IP address of the edge node list, comparing the edge node list with the fault list, and skipping over the IP address in the fault list, so that the fault edge node can not be resolved any more, and the terminal can not request the fault edge node. In this embodiment, when the node fails, timely adjustment is performed on the server side, and no adjustment is required on the operator side, so that scheduling flexibility and timeliness are ensured.
In an embodiment, before the determining, according to the destination node identifier, the IP address of the destination node corresponding to the destination node identifier, the method further includes:
When a new edge node access is detected, the IP address of the newly accessed edge node is added into the IP address record of the IP segment of the corresponding network address.
In this embodiment, when the service provider configures a new edge node, in order to enable the new edge node to provide services for users using the 5G network, only the IP address of the new edge node needs to be set to be the IP address in the IP segment of the network address, so that the new edge node can be accessed by the 5G communication network, and in order to enable the new edge node to schedule the node to resolve, the IP address of the new edge node needs to be added to the edge node list. The above process does not need any adjustment by the 5G operator, and avoids the trouble of modifying the address list of the operator for many times.
Based on the technical solutions of the foregoing embodiments, a specific application scenario of the embodiments of the present application is described below:
fig. 4 shows a scheduling diagram of a 5G-based edge node scheduling method according to an exemplary embodiment of the present application.
Referring to fig. 4,5G, an operator a establishes a 5G network in a certain city, and provides 5G services to citizens. Carrier a and carrier B cooperate to use the edge node cluster of carrier B as EMC edge cloud (46). The service provider B sets up a number of edge nodes in the city, where edge node 1-edge node 10 serves domain name a. The operator a divides the city into two areas and sets an edge management node (44); corresponding to the two areas, setting an edge management node 1 (441) in the area 1, and setting an access address list, wherein the access address list comprises the edge node 1 and the edge node 2; an edge management node 2 (442) is set in the area 2, and an access address list is set, wherein the access address list comprises an edge node 5 and an edge node 6.
A user in zone 1 (411) initiates a data request by accessing the 5G network through the 5G base station. After the UPF network element (43) receives the data request, if the domain name of the data request is not the domain name served by the edge node, the data request is forwarded to the 5G core network (47), and the user is connected with a source station or a public network (48) through the 5G core network (47) and acquires the data. If the domain name of the data request is a domain name serviced by the edge node, the data request is forwarded to an edge management node (44). Wherein, because the target node identifier carried by the request contains the region information which indicates that the request originates from the region 1, the data request of the user is forwarded to the edge management node 1 (441), and the edge management node 1 (441) determines that the edge node 1 or the edge node 2 belonging to the region 1 responds to the access request of the user. When the edge node 1 fails, the access address list of the edge management node 1 needs to be modified by the operator a, and adjustment cannot be made in time. In this process, a large number of users will have no access.
After negotiating with the operator a, the operator a registers the network address IP segment corresponding to the autonomous domain of the operator B to the 5G communication network, and sets an IP address in the network address IP segment corresponding to the autonomous domain of the operator B for the edge node, so that the edge node having the IP address in the IP segment can provide edge cloud service for the user of the 5G communication network. Simultaneously, the IP address of the scheduling node (45) is acquired.
Assuming that the edge nodes 1 and 5 fail, after the edge management node 1 receives a data request of a user (411) accessing the domain name a in the area 1, generating an analysis request for the domain name a, sending the analysis request to a dispatching node (45) of a service provider B, inquiring an edge node list by the dispatching node (45) according to the domain name a in the request, determining that the edge node 1-10 serves the domain name a, and sequentially detecting the edge nodes 1-10 by the dispatching node (45), wherein health values of the edge nodes 3, 4, 6 and 7 are larger than a preset threshold value, further detecting the route from the edge node to the edge management node 1 by the dispatching node, finally determining that the route from the edge node 4 to the edge management node 1 is shortest, selecting the edge node 4 as a target node, and providing services to the user (411) in the area 1. And adding the edge nodes 1 and 5 into a fault list according to the detection result, wherein the health values of the edge nodes 1 and 5 are smaller than a preset threshold value, and deleting the edge nodes 1 and 5 from the edge node list. After the edge management node 2 (442) receives a request of a user (412) accessing the domain name a in the area 2, an analysis request for the domain name a is generated, the analysis request is sent to the dispatching node (45) of the service provider B, the dispatching node (45) inquires an edge node list according to the domain name a in the request, 8 edge nodes including the edge node 2-4 and the edge node 6-10 are determined to provide service, the dispatching node sequentially detects the 8 edge nodes, wherein the health value of the edge node 3, the edge node 4, the edge node 6 and the edge node 7 is larger than a preset threshold value, the dispatching node (45) further detects the route from the edge node to the edge management node 2 (442), finally determines that the route from the edge node 7 to the edge management node 2 (442) is shortest, and the edge node 7 is selected as a target node to provide service for the user (412) in the area 2.
Through the embodiment, the operator registers the network address IP segment of the service provider to the 5G communication network, a large number of edge nodes of the service provider can be used as MEC edge cloud to provide service, the data response speed is accelerated, meanwhile, the dispatching node of the service provider provides analysis service, and after the edge nodes fail, the intelligent dispatching node can adjust analysis results in time, and the operator side does not need to open corresponding interfaces. The method does not need to adjust the setting of the 5G core network, and the operator side does not have security risk, so that the service is ensured to be stable; the edge node capable of selecting the shortest route provides service and improves response timeliness.
Fig. 5 shows a block diagram of a 5G-based edge node scheduler according to an exemplary embodiment of the present application. Referring to fig. 5, the 5G-based edge node scheduling apparatus is applied to an edge management node, and includes: the device comprises a data request receiving module 501, a scheduling module 502, a scheduling result receiving module 503 and a first feedback module 504.
The data request receiving module 501 is configured to receive a data request carrying a target node identifier forwarded by a UPF network element, where the data request is forwarded by the UPF network element according to a network address IP segment corresponding to an autonomous domain of a service provider.
The scheduling module 502 is configured to generate a resolution request for the target node identification and send the resolution request to a scheduling node.
The scheduling result receiving module 503 is configured to receive an IP address of a target node fed back by the scheduling node, where the target node is determined by the scheduling node according to the target node identifier.
The first feedback module 504 is configured to feed back the IP address of the target node to the UPF network element.
The scheduling module 502 is further configured to:
acquiring an IP address of a scheduling node;
and generating an analysis request aiming at the target node identification, wherein the analysis address of the analysis request is the IP address of the dispatching node.
Fig. 6 illustrates a block diagram of a 5G-based edge node scheduler according to an exemplary embodiment of the present application. Referring to fig. 6, the 5G-based edge node scheduling apparatus is applied to a scheduling node, and includes: the system comprises an analysis request receiving module 601, an analysis module 602 and a second feedback module 603.
The parsing request receiving module 601 is configured to receive a parsing request for a target node identifier sent by an edge management node, where the parsing request is generated by the edge management node according to a data request carrying the target node identifier, and the data request is forwarded to the edge management node by a UPF network element according to a network address IP segment corresponding to an autonomous domain of a service provider.
The parsing module 602 is configured to determine an IP address of a target node corresponding to the target node identification based on the target node identification.
The second feedback module 603 is configured for feeding back the IP address of the target node to the edge management node.
The parsing module 602 determines, according to the destination node identifier, an IP address of the destination node including:
according to the target node identification, acquiring an edge node list corresponding to the target node identification;
detecting the health value of the edge nodes in the edge node list, and identifying the edge nodes with the health value being greater than or equal to a preset threshold as alternative edge nodes;
and determining an alternative edge node with the optimal route between the alternative edge node and the edge management node as a target node.
After the detecting the health value of the edge node in the edge node list, the method further comprises:
and adding the edge nodes with the health values smaller than the preset threshold value into a fault list.
When a new edge node access is detected, the IP address of the newly accessed edge node is added into the IP address record of the IP segment of the corresponding network address.
Fig. 7 illustrates a block diagram of a computer device 700 for 5G scheduling according to an exemplary embodiment of the present application. For example, the computer device 700 may be provided as a server. Referring to fig. 7, a computer device 700 includes a processor 701, the number of which may be set to one or more as needed. The computer device 700 also includes a memory 702 for storing instructions, such as application programs, that are executable by the processor 701. The number of the memories can be set to one or more according to the requirement. Which may store one or more applications. The processor 701 is configured to execute instructions to perform the 5G-based edge node scheduling method described above.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus (device), or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein. Computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, including, but not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an 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 article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional identical elements in an article or apparatus that comprises the element.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, given that such modifications and variations of the present application are within the scope of the claims and their equivalents, such modifications and variations are intended to be included herein.
Claims (12)
1. The edge node scheduling method based on 5G is applied to an edge management node and is characterized by comprising the following steps:
receiving a data request which is forwarded by a UPF network element and carries a target node identifier, wherein the data request is forwarded by the UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider, the UPF network element forwards the data request which carries the target node identifier to a corresponding edge management node, and forwards the data request which does not carry the target node identifier to a 5G core network;
generating an analysis request aiming at the target node identification, and sending the analysis request to a scheduling node;
receiving an IP address of a target node fed back by the scheduling node, wherein the target node is determined by the scheduling node according to the target node identification;
and feeding back the IP address of the target node to the UPF network element.
2. The 5G-based edge node scheduling method of claim 1, further comprising, prior to said receiving the data request with the destination node identification forwarded by the UPF network element:
acquiring a network address IP section corresponding to an autonomous domain of a service provider;
registering a network address IP segment corresponding to the autonomous domain of the service provider to a 5G communication network.
3. The 5G-based edge node scheduling method of claim 1, wherein the generating the resolution request for the target node identification comprises:
acquiring an IP address of the scheduling node;
and generating an analysis request aiming at the target node identification, wherein the analysis address of the analysis request is the IP address of the dispatching node.
4. The edge node scheduling method based on 5G is applied to scheduling nodes and is characterized by comprising the following steps:
receiving an analysis request for a target node identifier sent by an edge management node, wherein the analysis request is generated by the edge management node according to a data request carrying the target node identifier, the data request is forwarded to the edge management node by a UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider, the UPF network element forwards the data request carrying the target node identifier to the corresponding edge management node, and forwards the data request not carrying the target node identifier to a 5G core network;
According to the target node identification, determining an IP address of a target node corresponding to the target node identification;
and feeding back the IP address of the target node to the edge management node.
5. The 5G-based edge node scheduling method of claim 4, wherein the determining the IP address of the target node corresponding to the target node identification according to the target node identification comprises:
according to the target node identification, acquiring an edge node list corresponding to the target node identification;
detecting the health value of the edge nodes in the edge node list, and identifying the edge nodes with the health value being greater than or equal to a preset threshold as alternative edge nodes;
and determining an alternative edge node with the optimal route between the alternative edge node and the edge management node as a target node.
6. The 5G-based edge node scheduling method of claim 5, further comprising, after said probing the health values of edge nodes in the list of edge nodes:
and adding the edge nodes with the health values smaller than the preset threshold value into a fault list.
7. The 5G-based edge node scheduling method of claim 4, further comprising, prior to receiving the resolution request for the target node identification sent by the edge management node:
And carrying out route announcement on the public network according to the network address IP section corresponding to the autonomous domain of the service provider.
8. The 5G-based edge node scheduling method of claim 7, further comprising, prior to said determining an IP address of a target node corresponding to said target node identification based on said target node identification:
when a new edge node access is detected, the IP address of the newly accessed edge node is added into the IP address record of the IP segment of the corresponding network address.
9. A 5G-based edge node scheduling apparatus, applied to an edge management node, comprising:
the data request receiving module receives a data request carrying a target node identifier forwarded by a UPF network element, wherein the data request is forwarded by the UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider, the UPF network element forwards the data request carrying the target node identifier to a corresponding edge management node, and forwards the data request not carrying the target node identifier to a 5G core network;
the scheduling module is used for generating an analysis request aiming at the target node identification and sending the analysis request to a scheduling node;
The scheduling result receiving module is used for receiving the IP address of the target node fed back by the scheduling node, and the target node is determined by the scheduling node according to the target node identification;
and the first feedback module is used for feeding back the IP address of the target node to the UPF network element.
10. A 5G-based edge node scheduling apparatus, applied to a scheduling node, comprising:
the device comprises an analysis request receiving module, a target node identification receiving module and a 5G core network, wherein the analysis request receiving module is used for receiving an analysis request which is sent by an edge management node and aims at the target node identification, the analysis request is generated by the edge management node according to a data request carrying the target node identification, the data request is forwarded to the edge management node by a UPF network element according to a network address IP section corresponding to an autonomous domain of a service provider, the UPF network element forwards the data request carrying the target node identification to the corresponding edge management node, and the data request not carrying the target node identification is forwarded to the 5G core network;
the analysis module is used for determining the IP address of the target node corresponding to the target node identifier according to the target node identifier;
and the second feedback module is used for feeding back the IP address of the target node to the edge management node.
11. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements the steps of the method according to any one of claims 1-8.
12. A computer device comprising a processor, a memory and a computer program stored on the memory, characterized in that the processor implements the steps of the method according to any of claims 1-8 when the computer program is executed.
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| PCT/CN2022/091392 WO2022237670A1 (en) | 2021-05-14 | 2022-05-07 | 5g-based edge node scheduling method and apparatus, and medium and device |
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