WO2022022440A1 - 网络重连方法、设备、系统及存储介质 - Google Patents

网络重连方法、设备、系统及存储介质 Download PDF

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Publication number
WO2022022440A1
WO2022022440A1 PCT/CN2021/108351 CN2021108351W WO2022022440A1 WO 2022022440 A1 WO2022022440 A1 WO 2022022440A1 CN 2021108351 W CN2021108351 W CN 2021108351W WO 2022022440 A1 WO2022022440 A1 WO 2022022440A1
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node
edge cloud
target
changed
nodes
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PCT/CN2021/108351
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English (en)
French (fr)
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朱松
张大江
黄瑞瑞
白常明
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阿里巴巴集团控股有限公司
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Publication of WO2022022440A1 publication Critical patent/WO2022022440A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/141Setup of application sessions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1097Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/143Termination or inactivation of sessions, e.g. event-controlled end of session
    • H04L67/145Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/148Migration or transfer of sessions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/18Management of setup rejection or failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment

Definitions

  • the present application relates to the technical field of Internet and communication fusion, and in particular, to a network reconnection method, device, system and storage medium.
  • the pursuit is to process the data as close as possible to the location where the data is generated on the edge side, so as to reduce the processing delay and meet the application requirements of some short delays.
  • edge cloud nodes due to some reasons, such as the objects served by edge cloud nodes have a certain mobility, and for example, edge cloud nodes fail, resource occupancy is too high, network conditions change, etc. Cloud nodes cannot continue to provide services.
  • Various aspects of the present application provide a network reconnection method, device, system, and storage medium, which are used to improve the efficiency of changing edge cloud nodes, thereby helping to improve the service quality of the network system.
  • An embodiment of the present application provides a network system, including: a network element in a mobile network, a central management and control node, and a plurality of edge cloud nodes in an edge cloud network;
  • a network element in the mobile network configured to: identify the edge cloud node to be changed among the plurality of edge cloud nodes;
  • the network element in the mobile network or the central management and control node is used to: select a target edge cloud node from other edge cloud nodes except the edge cloud node to be changed; the central management and control node, using in migrating the service provided by the edge cloud node to be changed to the target edge cloud node;
  • the network element in the mobile network is further configured to establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • Embodiments of the present application further provide a network system, including: a communication network, a central management and control node, and multiple edge cloud nodes in an edge cloud network;
  • the communication network is used to: identify the edge cloud node to be changed among the plurality of edge cloud nodes;
  • the communication network or the central management and control node is used to: select a target edge cloud node from other edge cloud nodes except the edge cloud node to be changed;
  • the central management and control node is used to migrate the service provided by the edge cloud node to be changed to the target edge cloud node;
  • the communication network is further configured to establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the embodiment of the present application also provides a network reconnection method, which is suitable for a session management function node in a mobile network; the method includes:
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node, establish a relationship between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed session connection.
  • the embodiment of the present application also provides a network reconnection method, which is suitable for a user plane function node in a mobile network; the method includes:
  • the target scheduling node Instruct the target scheduling node to select a target edge cloud node from other edge cloud nodes in the edge cloud network;
  • the target scheduling node is a central management and control node or a user plane function node in a mobile network;
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node; providing the identifier of the target edge cloud node to the session management function node in the mobile network, for the session management function node to establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the embodiment of the present application also provides a network reconnection method, which is suitable for a central management and control node; the method includes:
  • the embodiment of the present application also provides a network reconnection method, which is suitable for a central management and control node; the method includes:
  • the processor is coupled to the memory for executing the computer program for performing the steps in the network reconnection method performed by the session management function node described above.
  • the embodiments of the present application also provide an electronic device, which can be implemented as a user plane function node in a mobile network, the electronic device includes: a memory, a processor, and a communication component; wherein, the memory is used to store a computer program;
  • the processor is coupled to the memory for executing the computer program for executing steps in the above-described network reconnection method performed by a user plane function node.
  • the embodiment of the present application further provides an electronic device, which can be implemented as a central management and control node, the electronic device includes: a memory, a processor, and a communication component; wherein, the memory is used to store a computer program;
  • the processor is coupled to the memory for executing the computer program for executing the steps in the network reconnection method performed by the central management node.
  • Embodiments of the present application further provide a computer-readable storage medium storing computer instructions, which, when the computer instructions are executed by one or more processors, cause the one or more processors to execute the above network reconnection methods steps in .
  • FIG. 1a is a schematic structural diagram of a network system provided by an embodiment of the present application.
  • FIG. 1b is a schematic block diagram of the structure of a network system provided by an embodiment of the present application.
  • FIG. 1c is a schematic structural diagram of another network system provided by an embodiment of the present application.
  • FIG. 4 is another schematic flowchart of a network reconnection method provided by an embodiment of the present application.
  • FIG. 7 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 8 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the goal is to process the data as close as possible to the location where the data is generated on the edge side, so as to reduce the processing delay and meet the application requirements of some short delays.
  • the objects served by some edge cloud nodes have a certain mobility, or the network conditions of the edge cloud nodes themselves change, which will involve the need to select a new edge cloud node for the user terminal.
  • the existing edge cloud nodes and establishing communication between user terminals and new edge cloud nodes have become urgent problems to be solved.
  • the mobile communication standard complied with by the mobile network 10 is not limited.
  • the mobile network 10 may be a 2G, 3G, 4G/LET or 5G mobile network, and may also be a mobile network of other communication standards that will appear in the future.
  • the network elements in the mobile network 10 mainly refer to network elements responsible for data processing and routing. In some embodiments, this part of network elements may be referred to as core network network elements.
  • the edge cloud network 20 in this embodiment is a cloud computing platform built on the edge infrastructure based on cloud computing technology and edge computing capabilities, and is a cloud platform with computing, network, storage, and security capabilities at the edge. .
  • the edge cloud is a relative concept.
  • the edge cloud refers to the cloud computing platform that is relatively close to the terminal. In other words, it is different from the central cloud or the traditional cloud computing platform.
  • Cloud computing platforms can include data centers with large-scale resources and centralized locations, while edge cloud nodes cover a wider range of networks and therefore have the characteristics of being closer to the terminal.
  • the resource scale of a single edge cloud node is small, but the edge cloud node
  • the number of nodes is large, and multiple edge cloud nodes constitute components of the edge cloud in this embodiment.
  • the terminal in this embodiment refers to the demand side of the cloud computing service, for example, it may be a terminal or a user terminal in the Internet, or a terminal or a user terminal in the Internet of Things.
  • the edge cloud network 20 is a network constructed based on the infrastructure between the central cloud or the traditional cloud computing system and the terminal.
  • the edge cloud network 20 includes at least one edge cloud node 201 .
  • the number of edge cloud nodes 201 is multiple. Plural means two or more. In this way, once an edge cloud node 201 fails, the services provided by the faulty edge cloud node 201 can be migrated to other edge cloud nodes 201 to reduce the probability of service interruption and help improve the service quality of the edge cloud network 20 .
  • Each edge cloud node 201 includes a series of edge infrastructures, including but not limited to: distributed data center (DC), a series of edge infrastructures, including but not limited to: distributed data Center (DC), wireless computer room or cluster, operator's communication network, core network equipment, base station, edge gateway, home gateway, computing device and/or storage device and other edge devices and the corresponding network environment, etc. It is explained here that the locations, capabilities and included infrastructure of different edge cloud nodes 201 may be the same or different.
  • DC distributed data center
  • DC distributed data Center
  • the combination of the edge cloud network 20 in this embodiment, the central cloud or the traditional cloud computing platform and other central networks and terminals can form a network architecture of "cloud-edge-terminal three-body collaboration".
  • network forwarding, Tasks such as storage, computing, and intelligent data analysis are processed in each edge cloud node 201 in the edge cloud network 20. Since each edge cloud node 201 is closer to the terminal, the response delay can be reduced, and the central cloud or traditional cloud can be reduced.
  • the pressure on computing platforms reduces bandwidth costs.
  • a central management and control node 40 is also deployed.
  • the central management and control node 40 takes the edge cloud node 201 as the management and control object, and manages and controls the edge cloud node 201.
  • the edge cloud nodes 201 are uniformly managed and controlled by aspects such as dimension, network, security, etc., so that cloud computing services are placed in each edge cloud node 201 for processing.
  • the central management and control node 40 may be deployed in one or more cloud computing data centers, or may be deployed in one or more traditional data centers, or the central management and control node 40 may also be deployed in this embodiment.
  • the network system of this embodiment is formed together with at least one edge cloud node 201 managed and controlled by the network system, which is not limited in this embodiment.
  • the mobile network 10 is connected in communication with the central management and control node 40 and the edge cloud node 201 in the edge element network 20 .
  • the network elements in the mobile network 10 are connected in communication with the central management and control node 40 and the edge cloud node 201 .
  • the user terminal 30 can access the mobile network 10 and establish a session connection between the user terminal 30 and the edge cloud node 201 through the network elements of the mobile network 10 to implement routing between the user terminal 30 and the edge cloud node 201 .
  • the user terminal 30 refers to the object served by the edge cloud node 201 .
  • the user terminal 30 may be a consumer electronic product, such as a mobile phone, a tablet computer, a personal computer, etc., or an Internet of Things (IoT) device, such as a door lock, a water meter, an electricity meter, and the like.
  • IoT Internet of Things
  • the user terminal 30 After the user terminal 30 successfully accesses the mobile network 10, it can use the services provided by the mobile network 10, such as a call service, a data service, and the like.
  • the user terminal 30 may have a certain mobility, or the network status of the edge cloud node itself changes, and the original edge cloud node cannot continue to provide services for the user terminal 30, which will involve the need to select a new one for the user terminal. How to select a new edge cloud node and establish communication between the user terminal and the new edge cloud node has become an urgent problem to be solved.
  • the service quality of the edge cloud node 40 can be monitored by the central control node of the central cloud, and when it is found that the service quality of the edge cloud node cannot meet the requirements of the end user, the central control node 40 performs the edge cloud node operation. and redeploy the corresponding service on the new edge cloud node, and then notify the user, and the user controls his user terminal 30 to access the new edge cloud node.
  • This method of changing edge cloud nodes requires the central management and control node 40 to monitor the service quality of edge cloud nodes from the application layer, and it is not timely to detect the degradation of service quality of the original edge cloud nodes. ) to switch new edge cloud nodes, which reduces the quality of service (QoS) of the edge cloud network.
  • QoS quality of service
  • the network element in the mobile network can identify the edge cloud node to be changed among the multiple edge cloud nodes 201 .
  • the network element in the mobile network 10 can monitor the QoS parameter values of multiple edge cloud nodes 201;
  • the service quality requirements of the user terminal 30 include: requirements of the user terminal 30 for various service quality parameters.
  • the service quality parameter includes at least one of the following: delay of the edge cloud node's service request to the user terminal 30, load of the edge cloud node, available resources, network quality of the edge cloud node, and the like.
  • the resources provided by edge cloud nodes include: computing resources, network resources, and storage resources.
  • the network element in the mobile network 10 can match the service quality parameter values of the multiple edge cloud nodes 201 with the service quality requirements of the user terminals 30 corresponding to the multiple edge cloud nodes 201 respectively, and determine the multiple edge cloud nodes 201. Whether there is an edge cloud node whose QoS parameter value does not meet the QoS requirements of the corresponding user terminal; if the judgment result is yes, the edge cloud node that does not meet the QoS requirements of the corresponding user terminal is used as the edge cloud to be changed. node.
  • both the network element in the mobile network 10 and the central management and control node 40 can be used as target scheduling nodes for resource scheduling. That is, the target scheduling node may be a network element in the mobile network 10 or a central management and control node 40 .
  • Fig. 1a only illustrates the target scheduling node as a network element in the mobile network 10, but it does not constitute a limitation.
  • the target edge cloud node may be selected from other edge cloud nodes in the edge cloud network 20 except the edge cloud node to be changed.
  • the central management and control node 40 can migrate the service provided by the edge cloud node to be changed to the target edge cloud node.
  • the central management and control node 40 controls the target edge cloud node to perform resource allocation to reserve resources required for the service provided by the edge cloud node to be changed; obtain the image required for the service provided by the edge cloud node to be changed. ; Send the image and configuration data to the target edge cloud node.
  • the target edge cloud node can create an instance of the service provided for the edge cloud node to be changed on the reserved resources according to the image and configuration data.
  • the network elements in the mobile network 10 may establish a session (Session) connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed. In this way, the target edge cloud node can continue to provide services for the user terminal 30 .
  • Session Session
  • the network element in the mobile network 10 may establish a session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed through the session creation instruction provided by the mobile network 10 .
  • the session refers to a process in which a user terminal 30 communicates with a target edge cloud node.
  • the network element in the mobile network 10 will use the session creation instruction provided by the mobile network 10 to create a session between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed, and give it a session An identification (ID) is provided to the user terminal 30 for the session identification.
  • ID an identification
  • the request sent by the user terminal 30 may carry the session identifier, and the network element in the mobile network 10 may provide the request to the target edge cloud node according to the session identifier.
  • the network elements in the mobile network cooperate with the central management and control node to realize the change of edge cloud nodes and the migration of edge cloud services, and establish user terminals and changed edge cloud services through network elements in the mobile network. Session connections between cloud nodes.
  • the changed edge cloud nodes can continue to provide services for user terminals, which can reduce the probability of service interruption or prevent service quality from deteriorating, thereby helping to improve the service quality of the network system.
  • the session management function node 102a may be implemented as a session management function (Session Management Function, SMF) network element; the user plane function node 102b may be implemented as a user plane function (User Plane Function, UPF) network element ) network element.
  • SMF Session Management Function
  • UPF User Plane Function
  • the session management function node 102a and the user plane function node 102b may also be implemented in other forms, which are not limited herein.
  • FIG. 1b only takes the mobile network as a 5G mobile network as an example for illustration, but it does not constitute a limitation.
  • the identification of the edge cloud node to be changed by the core network element 102 is performed by the user plane function node 102b in the core network element 102, and can also be completed by the session management function node 102a and the user plane function node 102b, and an exemplary description is given below. .
  • the user plane function node 102b identifies the edge cloud node to be changed.
  • the main implementation manner is as follows: each user plane function node 102b corresponds to an edge cloud node group. Wherein, one edge cloud node group may include one or more edge cloud nodes 201 . Plural means two or more.
  • the edge cloud node 201 corresponding to each user plane function node 102b may belong to the same cloud service provider, or may belong to different cloud service providers. In the case where the edge cloud node 201 corresponding to one user plane function node 102b belongs to different cloud service providers, switching between edge cloud nodes provided by different cloud service providers can also be implemented.
  • the user plane function node 102b can monitor the quality of service parameter value of the edge cloud node group corresponding to the user plane function node 102b; and when the monitored edge cloud node group of the user plane function node 102b has a quality of service parameter value that does not satisfy In the case of the service quality requirement of the corresponding user terminal, the edge cloud node that does not meet the service quality requirement of the corresponding user terminal is used as the edge cloud node to be changed.
  • each user plane function node 102b corresponds to an edge cloud node group. Wherein, one edge cloud node group may include one or more edge cloud nodes 201 . Plural means two or more.
  • the user plane function node 102b monitors the QoS parameter value of the edge cloud node group corresponding to the user plane function node 102b; and provides the QoS parameter value of the edge cloud node group corresponding to the user plane function node 102b to the session management Functional node 102a.
  • the session management function node 102a may, according to the service quality parameter value of the edge cloud node group corresponding to the user plane function node 102b and the service quality requirement of the user terminal, determine whether there is a service quality parameter value in the edge cloud node group that does not meet the requirements.
  • the edge cloud node corresponding to the service quality requirement of the user terminal if the judgment result is yes, the edge cloud node that does not meet the service quality requirement of the corresponding user terminal is used as the edge cloud node to be changed.
  • the session management function node 102a or the user plane function node 102b may select the target edge cloud node from other edge cloud nodes in the edge cloud network 20 except the edge cloud node to be changed.
  • the following is an exemplary description of an implementation manner in which the session management function node 102a or the user plane function node 102b respectively selects the target edge cloud node.
  • Embodiment 1 The target edge cloud node is selected by the session management function node 102a.
  • the main implementation manner is as follows: the session management function node 102a can be based on the service quality requirements of the user terminal corresponding to the edge cloud node to be changed and the service quality parameters of other edge cloud nodes in the edge cloud network 20 except the edge cloud node to be changed. value, select the target edge cloud node that meets the service quality requirements from other edge cloud nodes.
  • the specific implementation of selecting the target edge cloud node by the session management function node 102a will be described below:
  • the session management function node 102a maintains the corresponding relationship between the user plane function node and the edge cloud node group.
  • the edge cloud node 201 corresponding to each user plane function node 102b may belong to the same cloud service provider, or may belong to different cloud service providers. In the case where the edge cloud node 201 corresponding to one user plane function node 102b belongs to different cloud service providers, switching between edge cloud nodes provided by different cloud service providers can also be implemented.
  • edge cloud nodes whose performance parameters are within a certain range may be divided into one edge cloud node group according to the performance parameters of the edge cloud nodes, so as to obtain multiple edge cloud node groups.
  • the performance parameters of the edge cloud node include, but are not limited to, the delay of the edge cloud node in responding to the service, the computing capability, scale, and host type of the edge cloud node. For example, taking the delay as an example, the edge cloud nodes whose delays are located in the same delay gradient can be divided into an edge cloud node group according to the delay parameters of the edge cloud nodes.
  • Each user plane function node 102b corresponds to an edge cloud node group.
  • one or more edge cloud nodes can be selected from the edge cloud nodes of each performance gradient to form an edge cloud node group.
  • Each user plane function node 102b corresponds to one edge cloud node group; and so on.
  • the mobile network 10, as shown in FIG. 1b, further includes: an access network (Access Network, AN) 102.
  • the access network 103 may also be a radio access network (Radio Access Network, RAN).
  • the access network 103 mainly includes base stations, which can provide communication or data processing services for the user terminals 30 accessing the mobile network 10 .
  • the base station interfaces with the user plane function node 102b.
  • one user plane function node 102 can be connected to one or more base stations.
  • Plural means two or more.
  • the edge cloud node corresponding to each user plane function node 102 may be deployed in the computer room to which it is connected.
  • the edge cloud nodes whose performance parameters are within a certain range are divided into one edge cloud node group to obtain multiple edge cloud node groups.
  • Each user plane function node 102b corresponds to an edge cloud node group.
  • the edge cloud nodes in the edge cloud node group have the same or similar performance, for the user terminal 30, when moving within the same edge cloud node group, the edge cloud nodes can be guaranteed not to change.
  • the target edge cloud node can be selected from the edge cloud node group corresponding to the edge cloud node to be changed, which is helpful for improving edge cloud nodes. switching efficiency.
  • the session management function node 102a may, according to the maintained correspondence between the user plane function node and the edge cloud node group, determine the edge cloud node group to which the edge cloud node to be changed belongs; In the edge cloud node group of , select the target edge cloud node that meets the service quality requirements of the user terminal 30 corresponding to the edge cloud node to be changed.
  • the session management function node 102a may provide the central management and control node 40 with the service quality requirement of the edge cloud node to be changed.
  • a node change request is provided to the central management and control node 40, where the node change request includes the service quality requirements of the user terminal corresponding to the edge cloud node to be changed.
  • the central management and control node 40 may, in response to the node change request, obtain service quality parameter values of other edge cloud nodes in the edge cloud network 20 except the edge cloud node to be changed.
  • the quality of service parameters of the other edge cloud nodes may be provided by the user plane function node 102b or the session management function node 102a.
  • edge cloud nodes are reserved in the edge cloud network 20 , and the reserved edge cloud nodes are part of the edge cloud nodes of the edge cloud network 20 .
  • the user plane function node 102b may select a target edge cloud node that meets the service quality requirements of the user terminal 30 corresponding to the edge cloud node to be changed from the edge cloud nodes reserved by the edge cloud network 20 .
  • the user plane function node 102b may acquire the correspondence between the user plane function node and the edge cloud node group.
  • the user plane function node 102b may maintain the corresponding relationship between the user plane function node and the edge cloud node group.
  • the user plane function node 102b may receive the correspondence between the user plane function node and the edge cloud node group provided by the session management node 102a.
  • the user plane function node 102b may, according to the corresponding relationship between the user plane function node and the edge cloud node group, determine the edge cloud node group to which the edge cloud node to be changed belongs; In the cloud node group, a target edge cloud node that meets the service quality requirements of the user terminal 30 corresponding to the edge cloud node to be changed is selected.
  • the central management and control node 40 can determine the service provided by the edge cloud node to be changed according to the identifier of the edge cloud node to be changed; and migrate the service provided by the edge cloud node to be changed to the one corresponding to the identifier of the target edge cloud node.
  • the edge cloud node that is, the target edge cloud node.
  • the central management and control node 40 can provide a service migration success notification to the user plane function node 102b.
  • the user plane function node 102b may request the session management function node 102a to establish a session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed.
  • the user plane function node 102b may provide the identity of the target edge cloud node to the session management function node 102a.
  • the user plane function node 102b may provide the identity of the edge cloud node to be changed to the session management function node 102a.
  • the session management function node 102a can establish a session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed according to the identifier of the target edge cloud node and the identifier of the edge cloud node to be changed.
  • the user plane function node 102b may implement routing between the target edge cloud node and the user terminal 30 based on the session connection between the target edge cloud node and the user terminal 30 .
  • the central management and control node 40 may select a target edge that satisfies the service quality requirements from these other edge cloud nodes according to the service quality requirements of the user terminals corresponding to the edge cloud nodes to be changed and the service quality parameter values of the above-mentioned other edge cloud nodes. cloud node; and provide the identifier of the target edge cloud node to the user plane function node 102b.
  • the central management and control node 40 can provide a service migration success notification to the user plane function node 102b.
  • the user plane function node 102b may request the session management function node 102a to establish a session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed.
  • the user plane function node 102b may implement routing between the target edge cloud node and the user terminal 30 based on the session connection between the target edge cloud node and the user terminal 30.
  • the central management and control node 40 may also obtain the correspondence between the user plane function node and the edge cloud node group; edge cloud node group; then, from the edge cloud node group to which the edge cloud node to be changed belongs, select a target edge cloud node that meets the service quality requirements of the user terminal 30 corresponding to the edge cloud node to be changed.
  • the correspondence between the user plane function node and the edge cloud node group may be provided by the user plane function node 102b or the session management function node 102a.
  • the central management and control node 40 can migrate the service provided by the edge cloud node to be changed to the target edge cloud node.
  • the central management node 40 may also notify the session management function node 102b to reselect a new user plane function node. The specific implementation manner of selecting the user plane management node by the session management function node 102b will be described below, and will not be repeated here.
  • the central management and control node 40 may notify session management function node 102b for session reselection. If the session reselection of the session management function node 102b is successful, the edge cloud node selected by the session reselection is used as the target edge cloud node. Optionally, when the session management function node 102b performs session reselection, an edge cloud node whose current performance meets the set condition may be selected from the edge cloud network 20 as the target edge cloud node.
  • the edge cloud node with the best current performance may be selected from the edge cloud network 20 as the target edge cloud node.
  • the session management function node 102b fails, the edge cloud node to be changed continues to provide services for the user terminal 30 .
  • the mobile network 10 further includes: an access network (Access Network, AN) 102 .
  • the access network 103 may also be a radio access network (Radio Access Network, RAN).
  • the access network 103 mainly includes base stations, which can provide communication or data processing services for the user terminals 30 accessing the mobile network 10 .
  • the base station interfaces with the user plane function node 102b.
  • one user plane function node 102 can be connected to one or more base stations.
  • Plural means two or more.
  • One session management function node 102a can manage one or more user plane function nodes 102b.
  • the session management function node 102a identifies the user plane function node to be changed among the plurality of user plane function nodes 102b.
  • the session management function node 102a may monitor the performance of multiple user plane function nodes 102b; and in the case of monitoring that the performance of the multiple user plane function nodes 102b does not meet the performance requirements of the docking base station, determine that it does not meet the performance requirements.
  • the user plane function node required by the performance of the docked base station is the user plane function node to be changed.
  • the user plane function node 102b that does not meet the performance requirements of the docking base station may be: the user plane function node 102b is faulty, and/or the calculation of the user plane function node 102b for the base station it docks overflows, and/or the user The terminal 30 moves out of the coverage of the base station connected to the user plane function node 102b, that is, the user terminal 30 accesses the base station connected to other user plane function nodes.
  • a communication connection between the session management function node 102a and the target user plane function node 102b may be established.
  • a communication connection between the target user plane function node 102b and the edge cloud node 201 needs to be established.
  • Embodiment A After selecting the target user plane function node, the session management function node 102a may provide the identifier of the edge cloud node to be changed to the target user plane function node. In this way, the target user plane function node can establish communication between the target user plane function node and the edge cloud node to be changed according to the identifier of the edge cloud node to be changed. Since the session management node 102a has established a session connection between the edge cloud node to be changed and the user terminal 30 it serves, the target user plane function node establishes a connection between the target user plane function node and the edge cloud node to be changed. After the communication, routing between the edge cloud node to be changed and the user terminal 30 served by the edge cloud node to be changed can be implemented based on the session connection between the edge cloud node to be changed and the user terminal 30 it serves.
  • the session management function node 102a does not need to notify the central management and control node 40 to redeploy the services provided by the original edge cloud node, and therefore does not need to interact with the central management and control node 40, which can reduce the probability of service interruption and provide edge The quality of service of the cloud network.
  • Embodiment B After selecting the target user plane function node, the session management function node 102a can select the target edge cloud node from the edge cloud nodes corresponding to the user plane function node; The provided service is migrated to the target edge cloud node; after that, a session connection is established between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed.
  • the target user plane function node can realize the connection between the target edge cloud node and the edge cloud node to be changed based on the session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed. Routing between user terminals.
  • the target user plane function node Provide the service quality requirements of the user terminal 30 corresponding to the edge cloud node to be changed, so that the target user plane function node can be based on the service quality parameters of the corresponding edge cloud node and the user terminal 30 service corresponding to the edge cloud node to be changed.
  • Quality requirements select the target edge cloud node that meets the above service quality requirements from the edge cloud nodes corresponding to the target user plane function node.
  • the session management function node 102a selecting the target edge cloud node from the edge cloud nodes corresponding to the user plane function node, and instructing the central management and control node 40 to select the target edge cloud node from the edge cloud nodes corresponding to the target user plane function node.
  • the relevant contents of the above-mentioned embodiments and details are not described herein again.
  • the session management function node 102a does not need to notify the central control node 40 to redeploy the service provided by the original edge cloud node, which can reduce the probability of service interruption and provide the service quality of the edge cloud network.
  • the communication between the target user plane function node and the edge cloud node corresponding to the user plane function node to be changed needs to go through the transfer of the user plane function to be changed, it will cause the edge cloud network 20 to communicate with the user plane function to be changed.
  • the delay of the service provided by the user terminal 30 served by the edge cloud node corresponding to the functional node increases.
  • the core network element 102 further includes: an access and mobility management function (Access and Mobility Management Function, AMF) network element, which is mainly responsible for the non-access layer (Non -access Stratum, NAS) message encryption and security, responsible for registration, access, mobility, authentication, transparent SMS and other functions.
  • AMF Access and Mobility Management Function
  • NAS Non -access Stratum
  • the mobile network may further include: Authentication Server Function (AUSF), Unified Data Management (UDM), Network Exposure Function (NEF), Network Slice Selection (Network Slice Selection) Function, NSSF), network storage function (NF Repository Function, NRF), policy control function (Policy Control function, PCF), application layer function (Application Function, AF) and other network elements.
  • AUSF Authentication Server Function
  • UDM Unified Data Management
  • NEF Network Exposure Function
  • NRF Network Slice Selection
  • NSSF network storage function
  • Policy Control function Policy Control function
  • PCF Application Function
  • Application Function Application Function
  • the user terminal may also communicate with the edge cloud network through other communication networks.
  • communicating with the edge cloud network through a communication network such as a WiFi network or a wired network.
  • a communication network such as a WiFi network or a wired network.
  • an embodiment of the present application further provides a network system, where the network system includes: a communication network S10 and an edge cloud network S20.
  • the communication network S10 may be a wired or wireless communication network.
  • the wireless communication network may be a WiFi network, a mobile network or a combination thereof.
  • the communication network S10 is connected in communication with the edge cloud node S201 in the edge cloud network S20.
  • the user terminal S30 can access the communication network S10 and establish a session between the user terminal S30 and the edge cloud node S201 through the network elements of the communication network S10 to implement routing between the user terminal 3S0 and the edge cloud node S201.
  • the user terminal 30 may have a certain mobility, or the network status of the edge cloud node itself changes, and the original edge cloud node cannot continue to provide services for the user terminal 30, which will involve the need to select a new edge for the user terminal.
  • the original edge cloud node cannot continue to provide services for the user terminal 30, which will involve the need to select a new edge for the user terminal.
  • cloud nodes how to select a new edge cloud node and establish communication between the user terminal and the new edge cloud node has become an urgent problem to be solved.
  • the communication network S10 can identify the edge cloud node to be changed among the multiple edge cloud nodes S201.
  • the communication network S10 can monitor the service quality parameter values of multiple edge cloud nodes S201; value, identify the edge cloud node to be changed, and the specific implementation method can refer to the above-mentioned related content of identifying the edge cloud node to be changed by the network element in the mobile network, which will not be repeated here.
  • both the communication network S10 and the central management and control node S40 can be used as target scheduling nodes for resource scheduling. That is, the target scheduling node may be the communication network S10 or the central management and control node S40.
  • FIG. 1a only takes the target scheduling node as the central management and control node S40 for illustration, but it does not constitute a limitation.
  • the target edge cloud node may be selected from other edge cloud nodes in the edge cloud network S20 except the edge cloud node to be changed.
  • the communication network S10 is a WiFi network.
  • the target scheduling node can be an access point (Access Point, AP) in a WiFi network, or a distributed system (Distribution System, DS).
  • Distributed systems connect multiple sets of basic services through APs.
  • the basic service set may be composed of one access point and several stations (STA); or, it may be composed of several stations.
  • STA stations
  • a site refers to a terminal device with WIFI communication function and connected to a wireless network, such as a mobile phone, tablet computer, laptop computer, etc.
  • the communication network S10 may establish a session connection between the target edge cloud node and the user terminal 30 corresponding to the edge cloud node to be changed. In this way, the target edge cloud node can continue to provide services for the user terminal 30 .
  • the communication network and the central management and control node cooperate with each other to realize the change of the edge cloud node and the migration of the edge cloud service, and establish the connection between the user terminal and the changed edge cloud node through the network elements in the mobile network. session connection.
  • the changed edge cloud nodes can continue to provide services for user terminals, which can reduce the probability of service interruption or prevent service quality from deteriorating, thereby helping to improve the service quality of the network system.
  • the communication network monitors the service quality of edge cloud nodes from the network layer, which can improve the timeliness of service quality monitoring, and improve the efficiency of discovering that the service quality of edge cloud nodes is reduced, thereby improving the subsequent selection.
  • the timeliness of new edge cloud nodes helps ensure the service quality of edge cloud networks.
  • the embodiment of the present application also provides a network reconnection method, which is exemplarily described below from the perspectives of the above session management function node, user plane function node, and central management and control node.
  • a network reconnection method which is exemplarily described below from the perspectives of the above session management function node, user plane function node, and central management and control node.
  • the target scheduling node Instruct the target scheduling node to select a target edge cloud node from other edge cloud nodes in the edge cloud network; wherein, the target scheduling node is a session management node, a central management and control node, or a user plane function node in a mobile network.
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node, establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the session management function node may, according to the QoS parameter value of the edge cloud node group corresponding to the user plane function node and the QoS requirement of the user terminal, determine whether there is a QoS parameter value in the edge cloud node group that does not satisfy the corresponding QoS parameter value.
  • the session management node may instruct the central management and control node to migrate the service provided by the edge cloud node to be changed to the target edge cloud node.
  • the target edge cloud node is other edge cloud nodes in the edge cloud network except the edge cloud node to be changed.
  • the central management and control node may, in response to the instruction of the session management function node, migrate the service provided by the edge cloud node to be changed to the target edge cloud node.
  • the central management and control node may, in response to the instruction of the session management function node, select the target edge cloud node from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed; and Migrate the services provided by the edge cloud node to be changed to the target edge cloud node.
  • the identity of the target edge cloud node is provided to the session management node.
  • the session management node establishes a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed based on the identifier of the target edge cloud node. In this way, the target edge cloud node can continue to provide services to the user terminal.
  • the session management function node of the mobile network monitors the service quality of the edge cloud node from the network layer, which can improve the timeliness of service quality monitoring and improve the efficiency of discovering the reduced service quality of the edge cloud node. In turn, the timeliness of subsequent selection of new edge cloud nodes can be improved, and the service quality of the edge cloud network can be guaranteed.
  • the session management node may select the target edge cloud node from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed.
  • the specific implementation manner is as follows: according to the service quality requirements of the user terminal corresponding to the edge cloud node to be changed and the service quality parameter values of other edge cloud nodes in the edge cloud network except the edge cloud node to be changed, from other edge cloud nodes , select the target edge cloud node that meets the service quality requirements.
  • the specific implementation of selecting the target edge cloud node by the session management function node will be described below:
  • Edge cloud nodes are reserved in the edge cloud network, and the reserved edge cloud nodes are part of the edge cloud nodes of the edge cloud network.
  • the session management function node may select a target edge cloud node that meets the service quality requirements of the user terminal corresponding to the edge cloud node to be changed from the edge cloud nodes reserved by the edge cloud network. In this way, it is helpful to speed up the selection of the target edge cloud node, thereby speeding up the speed of subsequent edge cloud node changes.
  • the session management function node may provide the identity of the edge cloud node to be changed and the identity of the target edge cloud node to the central management and control node.
  • the session management function node may send a node change notification to the central management and control node.
  • the node change notification includes the identity of the edge cloud node to be changed and the identity of the target edge cloud node.
  • the central management and control node can determine the service provided by the edge cloud node to be changed according to the identity of the edge cloud node to be changed; and migrate the service provided by the edge cloud node to be changed to the edge corresponding to the identity of the target edge cloud node.
  • the cloud node that is, the target edge cloud node.
  • the session management function node may instruct the central management and control node to select a service that satisfies the user terminal corresponding to the edge cloud node to be changed from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed.
  • the session management function node may provide the service quality requirement of the edge cloud node to be changed to the central management and control node.
  • a node change request is provided to the central management and control node, where the node change request includes the service quality requirements of the user terminal corresponding to the edge cloud node to be changed.
  • the central management and control node can obtain the service quality parameter values of other edge cloud nodes in the edge cloud network except the edge cloud node to be changed in response to the node change request.
  • the central management and control node can select the target edge cloud that meets the service quality requirements from these other edge cloud nodes according to the service quality requirements of the user terminal corresponding to the edge cloud node to be changed and the service quality parameter values of the other edge cloud nodes mentioned above. node; and provide the identity of the target edge cloud node to the session management function node.
  • the central management and control node can also determine the service provided by the edge cloud node to be changed according to the identity of the edge cloud node to be changed.
  • the identifier of the edge cloud node to be changed may be carried in the node change request, or may be provided by separate signaling.
  • the central management and control node can migrate the service provided by the edge cloud node to be changed to the edge cloud node (ie, the target edge cloud node) corresponding to the identifier of the target edge cloud node.
  • the central management and control node can provide the session management node with a service migration success notification.
  • the session management node may, in response to the service migration success notification, establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the user plane function node 1 can implement routing between the target edge cloud node and the user terminal based on the session connection between the target edge cloud node and the user terminal.
  • an optional implementation manner of establishing the session connection between the target edge cloud node and the user terminal is: according to the identifier of the edge cloud node to be changed, determine the user terminal corresponding to the edge cloud node to be changed; According to the identifier of the user terminal corresponding to the edge cloud node to be changed and the identifier of the target edge cloud node, a session connection between the target edge cloud node and the user terminal is established.
  • the mobile network further includes: an access network.
  • the access network mainly includes base stations, which can provide communication or data processing services for user terminals accessing the mobile network.
  • the base station is connected to the user plane function node.
  • one user plane function node can be connected to one or more base stations.
  • Plural means two or more.
  • a session management function node can manage one or more user plane function nodes.
  • the session management function node can also replace the connected user plane function node for the base station.
  • the session management function node can select the target edge cloud node.
  • the access network mainly includes base stations, which can provide communication or data processing services for user terminals accessing the mobile network.
  • the base station is connected to the user plane function node.
  • one user plane function node can be connected to one or more base stations.
  • Plural means two or more.
  • a session management function node can manage one or more user plane function nodes.
  • the session management function node can also replace the connected user plane function node for the base station.
  • the session management function node may identify the user plane function node to be changed among the plurality of user plane function nodes.
  • the session management function node can monitor the performance of multiple user plane function nodes; and in the case of monitoring that the performance of the multiple user plane function nodes does not meet the performance requirements of the docking base station, determine that the docking base station does not meet the performance requirements.
  • the user plane function node whose performance is required is the user plane function node to be changed.
  • the session management function node may select the target user plane function node from other user plane function nodes.
  • the session management function node may, according to the performance of multiple user plane function nodes, select a base station that satisfies the docking of the user plane function node to be changed from other user plane function nodes except the user plane function node to be changed.
  • the user plane function node with the required performance is used as the target user plane function node.
  • the performance of the user plane function node includes at least one of the following: the running state of the user plane function node, the load status of the user plane function node, computing capacity, storage capacity, network quality, and the like.
  • the computing power is mainly expressed as the performance of computing resources such as CPU or GPU.
  • a communication connection between the session management function node and the target user plane function node may be established. Further, in order for the edge cloud network to continue to provide services for user terminals, it is necessary to establish a communication connection between the target user plane function node and the edge cloud node.
  • Embodiment A After the session management function node selects the target user plane function node, it can provide the identifier of the edge cloud node to be changed to the target user plane function node, so that the target user plane function node can use the edge cloud node to be changed.
  • the identifier of the target user plane function node is established to establish communication with the edge cloud node to be changed. In this way, the target user plane function node can establish communication between the target user plane function node and the edge cloud node to be changed according to the identifier of the edge cloud node to be changed.
  • the session management function node does not need to notify the central management and control node to redeploy the services provided by the original edge cloud node, and thus does not need to interact with the central management and control node, which can reduce the probability of service interruption and provide the edge cloud network service quality.
  • Embodiment B After the session management function node selects the target user plane function node, it can select the target edge cloud node from the edge cloud nodes corresponding to the user plane function node; and instruct the central management and control node to The service is migrated to the target edge cloud node; after that, a session connection is established between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the target user plane function node can realize the user terminal corresponding to the target edge cloud node and the edge cloud node to be changed based on the session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed. Routing between endpoints.
  • the session management function node can select the target edge cloud node from the edge cloud nodes corresponding to the user plane function node by itself, or can instruct the target user plane function node or the central management and control node to select the target edge cloud node from the edge cloud node corresponding to the user plane function node. Select the target edge cloud node in Node. Wherein, for the session management function node indicating the target user plane function node or the central management and control node, select the target edge cloud node from the edge cloud nodes corresponding to the target user plane function node, and the session management function node can provide the target user plane function node.
  • the target user plane function node can change the quality of service requirements of the user terminal corresponding to the edge cloud node to be changed according to the service quality parameters of the corresponding edge cloud node and the user terminal corresponding to the edge cloud node to be changed. From the edge cloud nodes corresponding to the user plane function nodes, select a target edge cloud node that meets the above service quality requirements. Regarding the specific implementation of the session management function node itself selecting the target edge cloud node from the edge cloud nodes corresponding to the user plane function node, and instructing the central control node to select the target edge cloud node from the edge cloud nodes corresponding to the target user plane function node, Reference may be made to the relevant content of the above-mentioned embodiments, which will not be repeated here.
  • Embodiment C Establish communication between the target user plane function node and the user plane function node to be changed. Since the communication connection between the user plane function node to be changed and its corresponding edge cloud node already exists, the target user plane function can be established by establishing the communication between the target user plane function node and the user plane function node to be changed. The communication between the node and the edge cloud node corresponding to the user plane function node to be changed, so that the target user plane function node can be based on the relationship between the edge cloud node corresponding to the user plane function node to be changed and the user terminal corresponding to the edge cloud node. The session connection between the nodes realizes the routing between the edge cloud node corresponding to the user plane function node to be changed and the user terminal corresponding to the edge cloud node.
  • the session management function node does not need to notify the central control node to redeploy the service provided by the original edge cloud node, which can reduce the probability of service interruption and provide the service quality of the edge cloud network.
  • the communication between the target user plane function node and the edge cloud node corresponding to the user plane function node to be changed needs to go through the transfer of the user plane function to be changed, it will cause the edge cloud network to transfer to the user plane function to be changed.
  • the delay of the service provided by the user terminal served by the edge cloud node corresponding to the node increases.
  • the embodiments of the present application also provide a computer-readable storage medium storing computer instructions.
  • the computer instructions are executed by one or more processors, one or more processors are caused to execute the above-mentioned FIG. 2 and its optional Steps in the network reconnection method shown in the embodiment.
  • the target scheduling node Instruct the target scheduling node to select a target edge cloud node from other edge cloud nodes in the edge cloud network; the target scheduling node is a central management and control node or a user plane function node in the mobile network.
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node
  • the identifier of the target edge cloud node is provided to the session management function node in the mobile network for the session management function node.
  • a session connection is established between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the user plane function node may acquire the edge cloud node to be changed in the edge cloud network.
  • an optional implementation manner of step 301 is: the user plane function node identifies the edge cloud node to be changed in the edge cloud network.
  • the user plane function node can monitor the quality of service parameter value of the edge cloud node group corresponding to the user plane function node; In the case of the service quality requirement, the edge cloud node that does not meet the service quality requirement of the corresponding user terminal is used as the edge cloud node to be changed.
  • the session management function node in the mobile network identifies the edge cloud node to be changed in the edge cloud network, and provides the identity of the edge cloud node to be changed to the user plane function node.
  • the user plane function node identifying the edge cloud node to be changed reference may be made to the relevant content in the identification method 2 in the foregoing system embodiment, which will not be repeated here.
  • another optional implementation of step 301 is: receiving the identifier of the edge cloud node to be changed provided by the session management function node, and determining that the edge cloud node corresponding to the identifier is the edge cloud node to be changed.
  • the target scheduling node may be a user plane function node or a central management and control node.
  • the user plane function node can instruct the central management and control node to migrate the service provided by the edge cloud node to be changed to the target edge cloud after selecting the target edge cloud node node.
  • the target edge cloud node is other edge cloud nodes in the edge cloud network except the edge cloud node to be changed.
  • the central management and control node in response to the instruction of the user plane function node, the service provided by the edge cloud node to be changed can be migrated to the target edge cloud node.
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node, reference may be made to the relevant content of the above-mentioned system embodiment, which will not be repeated here.
  • the user plane function node may instruct the central management node to select the target edge cloud node.
  • the central management and control node can select the target edge cloud node from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed in response to the instruction of the session management function node; and select the edge cloud node to be changed.
  • the provided services are migrated to the target edge cloud node. After that, the identity of the target edge cloud node is provided to the user plane function node.
  • the identifier of the target edge cloud node can be provided to the session management function node in the mobile network, so that the session management function node can establish a relationship between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed session connection. In this way, the target edge cloud node can continue to provide services to the user terminal.
  • routing between the target edge cloud node and the user terminal can be implemented based on the session connection between the target edge cloud node and the user terminal.
  • the user plane function node of the mobile network monitors the service quality of the edge cloud node from the network layer, which can improve the timeliness of service quality monitoring and improve the efficiency of discovering that the service quality of the edge cloud node is reduced. In turn, the timeliness of subsequent selection of new edge cloud nodes can be improved, and the service quality of the edge cloud network can be guaranteed.
  • the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node, it is also possible to obtain data from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed.
  • Select the target edge cloud node The main implementation manner is as follows: the user plane function node may, according to the service quality requirements of the user terminal corresponding to the edge cloud node to be changed and the service quality parameter values of other edge cloud nodes in the edge cloud network except the edge cloud node to be changed, From other edge cloud nodes, select the target edge cloud node that meets the service quality requirements.
  • the user plane function node may acquire the correspondence between the user plane function node and the edge cloud node group.
  • the user plane function node may maintain the corresponding relationship between the user plane function node and the edge cloud node group.
  • the user plane function node may receive the correspondence between the user plane function node and the edge cloud node group provided by the session management node.
  • the user plane function node can determine the edge cloud node group to which the edge cloud node to be changed belongs according to the correspondence between the user plane function node and the edge cloud node group; and from the edge cloud node to which the edge cloud node to be changed belongs. In the node group, select the target edge cloud node that meets the service quality requirements of the user terminal corresponding to the edge cloud node to be changed.
  • Optional embodiment 2C The user plane function node can instruct the central management and control node to select a service that satisfies the user terminal corresponding to the edge cloud node to be changed from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed. Target edge cloud nodes for quality requirements.
  • the user plane function node may provide the service quality requirement of the edge cloud node to be changed to the central management and control node.
  • the user plane function node provides a node change request to the central management and control node, where the node change request includes the service quality requirements of the user terminal corresponding to the edge cloud node to be changed.
  • the central management and control node can obtain the service quality parameter values of other edge cloud nodes in the edge cloud network except the edge cloud node to be changed in response to the node change request.
  • the service quality parameters of the other edge cloud nodes may be provided by the user plane function node or the session management function node.
  • the central management and control node can select the target edge cloud that meets the service quality requirements from these other edge cloud nodes according to the service quality requirements of the user terminal corresponding to the edge cloud node to be changed and the service quality parameter values of the other edge cloud nodes mentioned above. node; and provide the identity of the target edge cloud node to the user plane function node.
  • the central management and control node selecting the target edge cloud node that meets the service quality requirements from these other edge cloud nodes reference may be made to the relevant content of the above-mentioned system embodiment, which will not be repeated here.
  • the embodiments of the present application also provide a computer-readable storage medium storing computer instructions.
  • the computer instructions are executed by one or more processors, one or more processors are caused to execute the above-mentioned FIG. 3 and its optional Steps in the network reconnection method shown in the embodiment.
  • FIG. 4 is a schematic flowchart of still another network reconnection method provided by an embodiment of the present application. This method is suitable for central management and control nodes. As shown in Figure 4, the method includes:
  • the target edge cloud node is the edge cloud network except the to-be-to-be-cloud node.
  • Other edge cloud nodes other than the changed edge cloud node.
  • the network elements in the mobile network cooperate with the central control node to realize the change of the edge cloud node and the migration of the edge cloud service, and establish a session connection between the user terminal and the changed edge cloud node.
  • the changed edge cloud nodes can continue to provide services for user terminals, which can reduce the probability of service interruption or prevent service quality from deteriorating, thereby helping to improve the service quality of the network system.
  • the embodiment of the present application also provides a computer-readable storage medium storing computer instructions.
  • the computer instructions are executed by one or more processors, one or more processors are caused to execute the above-mentioned FIG. 4 and its optional Steps in the network reconnection method shown in the embodiment.
  • FIG. 5 is a schematic flowchart of still another network reconnection method provided by an embodiment of the present application. This method is suitable for central management and control nodes. As shown in Figure 5, the method includes:
  • the network element in the mobile network can identify the edge cloud node to be changed in the edge cloud network.
  • the network elements in the mobile network may be core network network elements.
  • the core network element may be: a session management function node or a user plane function node.
  • the network element in the mobile network can identify the edge cloud node to be changed in the edge cloud network, it can instruct the central management and control node to select the target edge cloud node from other edge cloud nodes in the edge cloud network except the edge cloud node to be changed cloud node.
  • the user plane function node may provide a node change request to the central management and control node, where the node change request includes the service quality requirement of the user terminal corresponding to the edge cloud node to be changed.
  • the node change request provided by the core network element can be received; and from the node change request, the service quality parameter values of the other edge cloud nodes can be obtained; and according to the edge cloud node to be changed
  • the central management and control node may select a target edge cloud node that meets the quality of service requirement from the edge cloud nodes reserved by the edge cloud network; wherein the reserved edge cloud nodes are the plurality of edge cloud nodes. Some edge cloud nodes in edge cloud nodes.
  • the central management and control node may obtain the corresponding relationship between the user plane function node and the edge cloud node group from the node change request; according to the corresponding relationship between the user plane function node and the edge cloud node group, determine the The edge cloud node group to which the edge cloud node to be changed belongs; and the target edge cloud node that meets the service quality requirement is selected from the edge cloud node group to which the edge cloud node to be changed belongs.
  • the central management and control node can migrate the services provided by the edge cloud node to be changed to the target edge cloud node.
  • the central management and control node After the central management and control node completes the migration of the service provided by the edge cloud node to be changed to the target edge cloud node, it can provide a service migration success notification to the network element in the mobile network.
  • the network element in the mobile network may establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed in response to the service migration success notification.
  • the target edge cloud node can continue to provide services to the user terminal.
  • the network elements in the mobile network cooperate with the central control node to realize the change of the edge cloud node and the migration of the edge cloud service, and establish a session connection between the user terminal and the changed edge cloud node.
  • the changed edge cloud nodes can continue to provide services for user terminals, which can reduce the probability of service interruption or prevent service quality from deteriorating, thereby helping to improve the service quality of the network system.
  • the central management and control node can also monitor whether a new edge cloud node joins the edge cloud network; When it is detected that a new edge cloud node joins the edge cloud network, an edge cloud node that meets the service quality requirements of the user terminal corresponding to the edge cloud node to be changed is selected from the new edge cloud nodes as the target edge cloud node.
  • the central management and control node can migrate the services provided by the edge cloud node to be changed to the target edge cloud node.
  • the central management and control node may also notify the session management function node to reselect a new user plane function node. The specific implementation manner of selecting the user plane management node by the session management function node will be described below, and will not be repeated here.
  • the edge cloud node with the best current performance can be selected from the edge cloud network as the target edge cloud node.
  • the best edge cloud node is used as the target edge cloud node.
  • the session management function node fails, the edge cloud node to be changed continues to provide services for the user terminal.
  • the embodiments of the present application also provide a computer-readable storage medium storing computer instructions.
  • the computer instructions are executed by one or more processors, one or more processors are caused to execute the above-mentioned FIG. 5 and its optional Steps in the network reconnection method shown in the embodiment.
  • the execution subject of each step of the method provided in the above-mentioned embodiments may be the same device, or the method may also be executed by different devices.
  • the execution body of steps 401 and 402 may be device A; for another example, the execution body of step 401 may be device A, and the execution body of step 402 may be device B; and so on.
  • the target scheduling node is a session management function node.
  • the processor 60b is further configured to: select a target edge cloud node that satisfies the service quality requirements from other edge cloud nodes according to the service quality requirements of the user terminals corresponding to the edge cloud nodes to be changed and the service quality parameter values of other edge cloud nodes .
  • the processor 40b is further configured to: select a target edge cloud node that meets the service quality requirement from edge cloud nodes corresponding to the target user plane function node.
  • the processor 60b selects the target edge cloud node that meets the service quality requirement from the edge cloud nodes corresponding to the target user plane function node
  • the processor 60b is specifically configured to: indicate the target user plane function node, and select the target user plane function node from the corresponding target user plane function node.
  • the edge cloud nodes select the target edge cloud node that meets the service quality requirements; or, instruct the central control node to select the target edge cloud node that meets the service quality requirements from the edge cloud nodes corresponding to the target user plane function node.
  • the number of user plane function nodes in the mobile network is multiple; the processor 60b is further configured to: identify the user plane function node to be changed among the plurality of user plane function nodes; Among the nodes, the target user plane function node is selected; and the communication between the target user plane function node and the user plane function node to be changed is established.
  • the electronic device may further include optional components such as a power supply component 60d. Only some components are schematically shown in FIG. 6 , which does not mean that the electronic device must include all the components shown in FIG. 6 , nor does it mean that the electronic device can only include the components shown in FIG. 6 .
  • the processor 70b is coupled to the memory 70a for executing a computer program for: acquiring the edge cloud node to be changed in the edge cloud network; instructing the target scheduling node to select a target from other edge cloud nodes in the edge cloud network edge cloud node; the target scheduling node is a central management and control node or a user plane function node in a mobile network; when the central management and control node migrates the service provided by the edge cloud node to be changed to the target edge cloud node, the communication component 70c provides the identifier of the target edge cloud node to the session management function node in the mobile network, so that the session management function node can establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the processor 70b is further configured to: implement routing between the target edge cloud node and the user terminal based on the session connection between the target edge cloud node and the user terminal.
  • the target scheduling node is a user plane functional node.
  • the processor 70b is further configured to: select a target edge cloud node that meets the service quality requirements from other edge cloud nodes according to the service quality requirements of the user terminals corresponding to the edge cloud nodes to be changed and the service quality parameter values of other edge cloud nodes .
  • the processor 70b selects a target edge cloud node that meets the service quality requirement from other edge cloud nodes
  • the processor 70b is specifically configured to: select a target edge cloud node that meets the service quality requirement from the reserved edge cloud nodes; wherein , the reserved edge cloud nodes are some edge cloud nodes in the edge cloud network; or, according to the maintained correspondence between the user plane function node and the edge cloud node group, determine the edge cloud node to which the edge cloud node to be changed belongs and select the target edge cloud node that meets the service quality requirements from the edge cloud node group to which the edge cloud node to be changed belongs; or instruct the central management and control node to select the target edge cloud node that meets the service quality requirements from other edge cloud nodes cloud node.
  • the target scheduling node is a central management and control node.
  • the processor 70b instructs the target scheduling node to select a target edge cloud node that satisfies the service quality requirement from other edge cloud nodes
  • the processor 70b is specifically configured to: provide a node change request to the central management and control node through the communication component 70c, and the node change request includes the to-be-changed node.
  • the corresponding edge cloud node is used as the target edge cloud node.
  • the electronic device may further include optional components such as a power supply component 70d. Only some components are schematically shown in FIG. 7 , which does not mean that the electronic device must include all the components shown in FIG. 7 , nor does it mean that the electronic device can only include the components shown in FIG. 7 .
  • FIG. 8 is a schematic structural diagram of another electronic device provided by an embodiment of the present application.
  • the electronic device can be implemented as a central management and control node.
  • the electronic device includes: a memory 80a, a processor 80b and a communication component 80c; wherein, the memory 80a is used to store computer programs.
  • the processor 80b is coupled to the memory 80a for executing a computer program for: under the direction of a network element in the mobile network, from the edge cloud network other than the edge cloud node to be changed In the edge cloud node, select the target edge cloud node; migrate the service provided by the edge cloud node to be changed in the edge cloud network to the target edge cloud node; and return the service migration success notification to the network element in the mobile network through the communication component 80c , to trigger the network element in the mobile network to establish a session connection between the target edge cloud node and the user terminal corresponding to the edge cloud node to be changed.
  • the processor 80b selects the target edge cloud node from other edge cloud nodes except the edge cloud node to be changed in the edge cloud network under the instruction of the network element in the mobile network
  • the processor 80b is specifically used for: receiving through the communication component 80c
  • the node change request provided by the core network element; the node change request includes the service quality requirements of the user terminal corresponding to the edge cloud node to be changed; from the node change request, obtain the service quality parameter values of other edge cloud nodes;
  • the processor 80b is further configured to: monitor whether a new edge cloud node joins the edge cloud network system when other edge cloud nodes do not have edge cloud nodes that meet the service quality requirements; and monitor whether a new edge cloud node joins the edge cloud network system; When a new edge cloud node joins the edge cloud network system, select the edge cloud node that meets the service quality requirements from the new edge cloud nodes as the target edge cloud node.
  • the electronic device may further include optional components such as a power supply component 80d. Only some components are schematically shown in FIG. 8 , which does not mean that the electronic device must include all the components shown in FIG. 8 , nor does it mean that the electronic device can only include the components shown in FIG. 8 .
  • the electronic device provided in this embodiment can be implemented as a central management and control node, which cooperates with network elements in the mobile network to realize the change of edge cloud nodes and the migration of edge cloud services, and establishes a connection between the user terminal and the changed edge cloud node. session connection.
  • the changed edge cloud nodes can continue to provide services for user terminals, which can reduce the probability of service interruption or prevent service quality from deteriorating, thereby helping to improve the service quality of the network system.
  • the memory is used to store computer programs, and can be configured to store various other data to support operations on the device where it is located.
  • the processor can execute the computer program stored in the memory to realize the corresponding control logic.
  • Memory can be implemented by any type of volatile or non-volatile storage device or combination thereof such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM Static Random Access Memory
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Flash Memory Magnetic or Optical Disk
  • the processor may be any hardware processing device that can execute the logic of the foregoing method.
  • the processor may be a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU) or a microcontroller unit (Microcontroller Unit, MCU); it may also be a field programmable gate array (Field -Programmable Gate Array (FPGA), Programmable Array Logic (PAL), General Array Logic (GAL), Complex Programmable Logic Device (CPLD) and other programmable devices ; or an advanced reduced instruction set (RISC) processor (Advanced RISC Machines, ARM) or a system on a chip (System on Chip SOC), etc., but not limited thereto.
  • RISC advanced reduced instruction set
  • the communication component is configured to facilitate wired or wireless communication between the device where it is located and other devices.
  • the device where the communication component is located can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, 4G, 5G or a combination thereof.
  • the communication component receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component may also be based on Near Field Communication (NFC) technology, Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, or other technology to achieve.
  • NFC Near Field Communication
  • RFID Radio Frequency Identification
  • IrDA Infrared Data Association
  • UWB Ultra Wideband
  • Bluetooth Bluetooth
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
  • Memory may include forms of non-persistent memory, random access memory (RAM) and/or non-volatile memory in computer readable media, such as read only memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
  • RAM random access memory
  • ROM read only memory
  • flash RAM flash memory

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Abstract

本申请实施例提供一种网络重连方法、设备、系统及存储介质。在本申请实施例中,移动网络中的网元与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并通过移动网络中的网元建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。

Description

网络重连方法、设备、系统及存储介质
本申请要求2020年07月31日递交的申请号为202010761047.5、发明名称为“网络重连方法、设备、系统及存储介质”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及互联网与通信融合技术领域,尤其涉及一种网络重连方法、设备、系统及存储介质。
背景技术
在边缘云计算场景中,追求的是尽量在边缘侧数据产生的地点就近将数据处理完毕,以降低处理时延,应对部分短时延的应用需求。
但是在实际的边缘云计算场景中,由于一些原因,例如边缘云节点服务的对象具有一定的移动性,又例如边缘云节点出现故障、资源占用率过高、网络情况出现变化等,造成部分边缘云节点不能继续提供服务。
发明内容
本申请的多个方面提供一种网络重连方法、设备、系统及存储介质,用以提高边缘云节点变更效率,进而有助于提高网络系统的服务质量。
本申请实施例提供一种网络系统,包括:包括:移动网络中的网元、中心管控节点以及边缘云网络中的多个边缘云节点;
所述移动网络中的网元,用于:识别所述多个边缘云节点中的待变更的边缘云节点;
所述移动网络中的网元或所述中心管控节点,用于:从除所述待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;所述中心管控节点,用于将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点;
所述移动网络中的网元,还用于建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种网络系统,包括:通信网络、中心管控节点以及边缘云网络中的多个边缘云节点;
所述通信网络,用于:识别所述多个边缘云节点中的待变更的边缘云节点;
所述通信网络或所述中心管控节点用于:从除所述待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;
所述中心管控节点,用于将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点;
所述通信网络,还用于建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种网络重连方法,适用于移动网络中的会话管理功能节点; 所述方法包括:
获取边缘云网络中的待变更的边缘云节点;
指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是所述会话管理功能节点、中心管控节点或移动网络中的用户面功能节点;
在中心管控节点将所述待变更的边缘云节点提供的服务迁移至所述目标边缘云节点的情况下,建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种网络重连方法,适用于移动网络中的用户面功能节点;所述方法包括:
获取边缘云网络中的待变更的边缘云节点;
指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是中心管控节点或移动网络中的用户面功能节点;
在所述中心管控节点将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下;将所述目标边缘云节点的标识提供给所述移动网络中的会话管理功能节点,以供所述会话管理功能节点建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种网络重连方法,适用于中心管控节点;所述方法包括:
在移动网络中的网元的指示下,将所述边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;所述目标边缘云节点为所述边缘云网络中除所述待变更的边缘云节点之外的其它边缘云节点;
向所述移动网络中的网元返回服务迁移成功通知,以触发所述移动网络中的网元建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种网络重连方法,适用于中心管控节点;所述方法包括:
在移动网络中的网元的指示下,从所述边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;
将所述边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;
向所述移动网络中的网元返回服务迁移成功通知,以触发所述移动网络中的网元建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
本申请实施例还提供一种电子设备,可实现为移动网络中的会话管理功能节点,所述电子设备,包括:存储器和处理器;其中,所述存储器,用于存储计算机程序;
所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行上述由会话管理功能节点执行的网络重连方法中的步骤。
本申请实施例还提供一种电子设备,可实现为移动网络中的用户面功能节点,所述 电子设备,包括:存储器、处理器和通信组件;其中,所述存储器,用于存储计算机程序;
所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行权上述由用户面功能节点执行的网络重连方法中的步骤。
本申请实施例还提供一种电子设备,可实现为中心管控节点,所述电子设备,包括:存储器、处理器和通信组件;其中,所述存储器,用于存储计算机程序;
所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行上述由中心管控节点执行的网络重连方法中的步骤。
本申请实施例还提供一种存储有计算机指令的计算机可读存储介质,当所述计算机指令被一个或多个处理器执行时,致使所述一个或多个处理器执行上述各网络重连方法中的步骤。
在本申请实施例中,移动网络中的网元与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并通过移动网络中的网元建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1a为本申请实施例提供的网络系统的结构示意图;
图1b为本申请实施例提供的网络系统的结构示意框图;
图1c为本申请实施例提供的另一种网络系统的结构示意图;
图2为本申请实施例提供的网络重连方法的一种流程示意图;
图3为本申请实施例提供的网络重连方法的另一流程示意图;
图4为本申请实施例提供的网络重连方法的又一流程示意图;
图5为本申请实施例提供的网络重连方法的又一流程示意图;
图6为本申请实施例提供的电子设备的一种结构示意图;
图7为本申请实施例提供的电子设备的另一结构示意图;
图8为本申请实施例提供的电子设备的又一结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
在边缘云计算场景中追求的是尽量在边缘侧数据产生的地点就近将数据处理完毕, 以降低处理时延,应对部分短时延的应用需求。但是在实际的边缘云计算场景中,部分边缘云节点服务的对象具有一定的移动性,或者边缘云节点自身网络状况发生变化,会涉及到需要为用户终端选择新的边缘云节点,如何选择新的边缘云节点以及建立用户终端与新的边缘云节点之间的通信成为亟待解决的问题。
为了解决上述问题,在本申请一些实施例中,移动网络中的网元与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并通过移动网络中的网元建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
以下结合附图,详细说明本申请各实施例提供的技术方案。
应注意到:相同的标号在下面的附图以及实施例中表示同一物体,因此,一旦某一物体在一个附图或实施例中被定义,则在随后的附图和实施例中不需要对其进行进一步讨论。
图1a为本申请实施例提供的网络系统的结构示意图。如图1a所示,该网络系统包括:移动网络10以及边缘云网络20。移动网络10又可称为移动通信网络。
在本实施例中,不限定移动网络10遵循的移动通信标准。可选地,移动网络10可为2G、3G、4G/LET或者5G移动网络,也可为未来出现的其它通信标准的移动网络。在本实施例中,移动网络10中的网元主要是指负责数据的处理和路由的网元。在一些实施例中,这部分网元可称为核心网网元。
本实施例的边缘云网络20是基于云计算技术和边缘计算的能力,构筑在边缘基础设施之上的云计算平台,是一种边缘位置的具备计算、网络、存储以及安全等能力的云平台。与中心云或者传统的云计算平台相对应,边缘云是个相对概念,边缘云是指相对靠近终端的云计算平台,或者说,与中心云或者传统的云计算平台相区别,中心云或者传统的云计算平台可以包括资源规模化且位置集中的数据中心,而边缘云节点覆盖的网络范围更广泛,也因此具备距离终端更近的特性,单个边缘云节点的资源规模较小,但是边缘云节点的数量多,多个边缘云节点构成了本实施例中边缘云的组成部分。本实施例的终端是指云计算服务的需求端,例如可以是互联网中的终端或者用户端,或者物联网中的终端或用户端。边缘云网络20是基于中心云或者传统的云计算系统与终端之间的基础设施构建的网络。
其中,边缘云网络20包括至少一个边缘云节点201。优选地,边缘云节点201的数量为多个。多个是指2个或2个以上。这样,一旦某个边缘云节点201出现故障,可将出现故障的边缘云节点201提供的服务迁移至其它边缘云节点201上,降低服务中断的概率,有助于提高边缘云网络20的服务质量。
每个边缘云节点201包括一系列的边缘基础设施,这些边缘基础设施包括但不限于: 分布式数据中心(DC)、一系列的边缘基础设施,这些边缘基础设施包括但不限于:分布式数据中心(DC)、无线机房或集群,运营商的通信网络、核心网设备、基站、边缘网关、家庭网关、计算设备和/或存储设备等边缘设备及对应的网络环境等等。在此说明,不同边缘云节点201的位置、能力以及包含的基础设施可以相同,也可以不相同。
其中,本实施例的边缘云网络20与中心云或传统的云计算平台等中心网络、终端结合可形成“云边端三体协同”的网络架构,在该网络架构中,可以将网络转发、存储、计算、智能化数据分析等任务放在边缘云网络20中的各边缘云节点201中处理,由于各边缘云节点201更靠近终端,因此可以降低响应时延,减轻中心云或传统的云计算平台的压力,降低带宽成本。
在本实施例的网络系统中,还部署有中心管控节点40,中心管控节点40以边缘云节点201为管控对象,对边缘云节点201进行管控,可在资源调度,镜像管理,实例管控,运维,网络,安全等各方面对边缘云节点201进行统一管控,从而将云计算服务放到各边缘云节点201中处理。在部署实施上,中心管控节点40可以部署在一个或多个云计算数据中心中,或者,可以部署在一个或多个传统数据中心中,或者,中心管控节点40也可以部署在本实施例的网络系统中,和其管控的至少一个边缘云节点201共同构成本实施例的网络系统,本实施例对此不做限定。
在本实施例中,移动网络10与中心管控节点40以及边缘元网络20中的边缘云节点201通信连接。确切地说,移动网络10中的网元与中心管控节点40及边缘云节点201通信连接。用户终端30可接入移动网络10,并通过移动网络10的网元建立用户终端30与边缘云节点201之间的会话连接,实现用户终端30与边缘云节点201之间的路由。其中,用户终端30是指边缘云节点201服务的对象。用户终端30可以是消费电子类产品,例如手机,平板电脑、个人电脑等,也可以是物联网(IoT)设备,例如门锁,水表,电表等。用户终端30成功接入移动网络10之后,可以使用移动网络10提供的服务,例如通话服务、数据服务等。
但是,在实际应用中,用户终端30可能具有一定的移动性,或者边缘云节点自身网络状况发生变化,原边缘云节点无法为用户终端30继续提供服务,这会涉及到需要为用户终端选择新的边缘云节点,如何选择新的边缘云节点以及建立用户终端与新的边缘云节点之间的通信成为亟待解决的问题。
在一些实施例中,可由中心云的中心管控节点对边缘云节点40的服务质量进行监控,并在发现边缘云节点的服务质量不能满足终端用户的要求时,由中心管控节点40进行边缘云节点的选择,并在新的边缘云节点上重新部署相应的服务,然后再通知用户,由用户控制其用户终端30接入新的边缘云节点。这种边缘云节点变更方式,需要中心管控节点40对边缘云节点的服务质量从应用层进行监控,对原边缘云节点的服务质量降低发现不及时,进而导致无法及时为服务对象(用户终端30)切换新的边缘云节点,降低 了边缘云网络的服务质量(QoS)。
在本实施例中,移动网络中的网元可识别多个边缘云节点201中的待变更的边缘云节点。可选地,移动网络10中的网元可监测多个边缘云节点201的服务质量参数值;并根据多个边缘云节点201分别对应的用户终端30的服务质量要求以及多个边缘云节点201的服务质量参数值,识别待变更的边缘云节点。可选地,用户终端30的服务质量要求包括:用户终端30对各项服务质量参数的要求。其中,服务质量参数包括以下至少一种:边缘云节点对用户终端30的服务请求的时延、边缘云节点的负载、可提供的资源以及边缘云节点的网络质量等等。其中,边缘云节点可提供的资源包括:计算资源、网络资源以及存储资源等。相应地,移动网络10中的网元可多个边缘云节点201的服务质量参数值分别与多个边缘云节点201分别对应的用户终端30的服务质量要求进行匹配,判断多个边缘云节点201中是否存在服务质量参数值不满足对应的用户终端的服务质量要求的边缘云节点;若判断结果为是,则将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
在本申请实施例中,移动网络10中的网元和中心管控节点40都可用来作为资源调度的目标调度节点。即目标调度节点可以为移动网络10中的网元或中心管控节点40。图1a仅以目标调度节点为移动网络10中的网元进行图示,但并不构成限定。对于目标调度节点,可从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。
进一步,中心管控节点40可将待变更的边缘云节点提供的服务迁移至目标边缘云节点。可选地,中心管控节点40控制目标边缘云节点进行资源分配,以预留出为待变更的边缘云节点提供的服务所需的资源;获取待变更的边缘云节点提供的服务所需的镜像;向目标边缘云节点发送镜像以及配置数据。相应地,目标边缘云节点可根据镜像以及配置数据,在预留的资源上创建为待变更的边缘云节点提供的服务的实例。
之后,移动网络10中的网元可建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话(Session)连接。这样,便可由目标边缘云节点继续为用户终端30提供服务。
可选地,移动网络10中的网元可通过移动网络10提供的会话创建指令,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。其中,会话是指一个用户终端30与目标边缘云节点进行通讯的过程。在该过程中,移动网络10中的网元会利用移动网络10提供的会话创建指令,创建目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话,并赋予其一个会话标识(ID),将该会话标识提供给用户终端30。这样,用户终端30在发送的请求可携带该会话标识,移动网络10中的网元可根据该会话标识,将该请求提供给目标边缘云节点。
本实施例提供的网络系统,移动网络中的网元与中心管控节点相互配合,实现边缘 云节点的变更以及边缘云服务的迁移,并通过移动网络中的网元建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
另一方面,本实施例中由移动网络的网元,从网络层对边缘云节点的服务质量进行监测,可提高服务质量监测的及时性,提高发现边缘云节点服务质量降低的效率,进而可提高后续选择新的边缘云节点的及时性,有助于保障边缘云网络的服务质量。
在本申请实施例中,目标边缘云节点可由移动网络10中的网元进行选择,也可由中心管控节点40进行选择。可选地,若边缘云网络20中的边缘云节点201是由移动网络10的运营商提供的,则目标边缘云节点的选择和调度可由移动网络10中的网元执行,即目标调度节点为移动网络10中的网元。若边缘云网络20中的边缘云节点201是由云服务商提供的,则目标边缘云节点的选择和调度可由中心管控节点40执行,即目标调度节点为中心管控节点40。或者,网络系统中也可设置管理设备。由管理设备确定目标调度节点。可选地,管理设备可提供调度节点配置界面,由用户通过该配置界面设置目标调度节点。相应地,管理设备可显示调度节点配置界面;并响应于调度节点配置界面的配置操作,获取配置的调度节点作为执行选择目标边缘云节点操作的目标调度节点。其中,配置的调度节点可以为移动网络10中的网元,或中心管控节点40。
进一步,若配置的调度节点为移动网络10中的网元,则移动网络10中的网元可在识别出待变更的边缘云节点的情况下,从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。相应地,若配置的调度节点为中心管控节点40,则移动网络10中的网元可在识别出待变更的边缘云节点的情况下,指示中心管控节点40从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。
可选地,管理设备还可将配置结果提供给移动网络10的网元。其中,配置结果用于描述配置的调度节点是移动网络10中的网元,还是中心管控节点40。这样,移动网络10中的网元可根据配置结果,确定是由自己选择目标边缘云节点,还是将选择目标边缘云节点的权限给中心管控节点40,即指示中心管控节点40选择目标边缘云节点。
无论选择目标边缘云节点的目标调度节点为移动网络10中的网元,还是中心管控节点40,在选择目标边缘云节点时,均可根据待变更的边缘云节点对应的用户终端的服务质量要求和边缘云网络20除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
在一些实施例中,边缘云网络20中预留有边缘云节点,预留的边缘云节点为边缘云网络20的部分边缘云节点。相应地,移动网络10中的网元或中心管控节点40可从边缘云网络20预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。这样,有助于加快目标边缘云节点的选择速度,进而加 快后续边缘云节点变更的速度。
在另一些实施例中,移动网络10中的网元或中心管控节点40可获取移动网络中的用户面功能节点与边缘云节点组之间的对应关系;并根据用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。其中,目标调度节点的实现形式不同,获取用户面功能节点与边缘云节点组之间的对应关系的实施方式不同。关于这部分内容,将在下述实施例中进行描述,在此暂不详述。
可选地,在移动网络中的网元选择目标边缘云节点的情况下,移动网络中的网元可在选择出目标边缘云节点的情况下,指示中心管控节点40将待变更的边缘云节点提供的服务迁移至目标边缘云节点。
在中心管控节点40选择目标边缘云节点的情况下,移动网络中的网元可将待变更的边缘云节点对应的用户终端的服务质量要求以及边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点的服务质量参数提供给中心管控节点40。相应地,中心管控节点40可根据待变更的边缘云节点对应的用户终端的服务质量要求和边缘云网络20除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点,并将目标边缘云节点的标识提供给移动网络中的网元。进一步,移动网络中的网元可根据目标边缘云节点的标识,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。在本实施例中,如图1a所示,移动网络10包括:核心网101。其中,核心网是移动网络10的核心的部分,为移动网络10的信息处理中心,主要负责数据的处理和路由。核心网的数据处理和路由功能由核心网网元102执行。上述移动网络10中的网元的执行逻辑,可由核心网网元102执行。
可选地,核心网网元102在指示中心管控节点40将待变更的边缘云节点提供的服务迁移至目标边缘云节点之前,还可从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中选择目标边缘云节点。其中,核心网网元102识别待变更的边缘云节点,可由核心网网元102中用户面功能节点102b执行,也可由会话管理功能节点102a和用户面功能节点102b配合完成。从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中选择目标边缘云节点可由核心网网元102中的会话管理功能节点102a或用户面功能节点102b执行,也可由会话管理功能节点102a和用户面功能节点102b配合完成。
其中,会话管理功能节点102a是指具有会话管理功能的软硬件模块、应用程序或实体设备。会话管理功能节点102a可建立接入移动网络10的用户终端(User Equipment,UE)30与边缘云网络20中的边缘云节点201之间的会话连接。
用户面功能节点102b是指具有数据处理和路由功能的软硬件模块、应用程序或实体 设备。用户面功能节点102b可基于用户终端30与边缘云节点201之间的会话连接,对用户终端与边缘云节点201之间的数据进行转发,实现用户终端30与边缘云节点201之间的交互。
在本实施例中,移动网络所遵循的移动通信标准不同,会话管理功能节点102a和用户面功能节点102b的实施方式和部署方式不同。例如,在4G/LET移动网络中,会话管理功能节点102a可实现为移动管理实体(Mobility Management Entity,MME)、服务网关(Serving Gateway,SGW)以及分组数据网络网关(Packet Data Network Gateway,PGW,又称为PDN网关)中的会话管理功能模块。用户面功能节点102b可实现为SGW以及PGW中的用户面功能模块。又例如,在在4G/LET移动网络中,会话管理功能节点102a可实现为会话管理功能(Session Management Function,SMF)网元;用户面功能节点102b可实现为用户面功能(User Plane Function,UPF)网元。对于未来出现的移动通信标准,会话管理功能节点102a和用户面功能节点102b还可实现为其它形式,在此不进行限定。图1b中仅以移动网络为5G移动网络为例进行图示,但不构成限定。
下面分别对核心网网元102识别待变更的边缘云节点由核心网网元102中的用户面功能节点102b执行,也可由会话管理功能节点102a和用户面功能节点102b配合完成,进行示例性说明。
识别方式1:用户面功能节点102b识别待变更的边缘云节点。主要实施方式为:每个用户面功能节点102b对应一个边缘云节点组。其中,一个边缘云节点组可包括一个或多个边缘云节点201。多个是指2个或2个以上。每个用户面功能节点102b对应的边缘云节点201可属于同一云服务商,也可属于不同的云服务商。对于一个用户面功能节点102b对应的边缘云节点201属于不同的云服务商的情况,还可实现不同云服务商提供的边缘云节点之间的切换。
相应地,用户面功能节点102b可监测该用户面功能节点102b对应的边缘云节点组的服务质量参数值;并在监测到该用户面功能节点102b边缘云节点组中存在服务质量参数值不满足对应的用户终端的服务质量要求的情况下,将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
识别方式2:会话管理功能节点102a和用户面功能节点102b相互配合,识别待变更的边缘云节点。主要实施方式为:每个用户面功能节点102b对应一个边缘云节点组。其中,一个边缘云节点组可包括一个或多个边缘云节点201。多个是指2个或2个以上。相应地,用户面功能节点102b监测该用户面功能节点102b对应的边缘云节点组的服务质量参数值;并将该用户面功能节点102b对应的边缘云节点组的服务质量参数值提供给会话管理功能节点102a。相应地,会话管理功能节点102a可根据用户面功能节点102b对应的边缘云节点组的服务质量参数值以及用户终端的服务质量要求,判断所述边缘云节点组中是否存在服务质量参数值不满足对应的用户终端的服务质量要求的边缘云节 点;若判断结果为是,则将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
进一步,会话管理功能节点102a或用户面功能节点102b可从边缘云网络20除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。下面分别由会话管理功能节点102a或用户面功能节点102b分别选择目标边缘云节点的实施方式进行示例性说明。
实施方式1:由会话管理功能节点102a选择目标边缘云节点。主要实施方式如下:会话管理功能节点102a可根据待变更的边缘云节点对应的用户终端的服务质量要求以及边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。下面对由会话管理功能节点102a选择目标边缘云节点的具体实施方式进行说明:
可选实施方式1A:边缘云网络20中预留有边缘云节点,预留的边缘云节点为边缘云网络20的部分边缘云节点。相应地,会话管理功能节点102a可从边缘云网络20预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。这样,有助于加快目标边缘云节点的选择速度,进而加快后续边缘云节点变更的速度。
可选实施方式1B:会话管理功能节点102a维护有用户面功能节点与边缘云节点组之间的对应关系。每个用户面功能节点102b对应的边缘云节点201可属于同一云服务商,也可属于不同的云服务商。对于一个用户面功能节点102b对应的边缘云节点201属于不同的云服务商的情况,还可实现不同云服务商提供的边缘云节点之间的切换。
或者,在一些实施例中,可根据边缘云节点的性能参数,将性能参数位于一定范围内的边缘云节点划分至一个边缘云节点组,得到多个边缘云节点组。其中,边缘云节点的性能参数包括:边缘云节点对服务进行响应的时延、边缘云节点的计算能力、规模、主机类型等,但不限于此。例如,以时延为例,可按照边缘云节点的时延参数,将时延位于同一时延梯度的边缘云节点划分为一个边缘云节点组。每个用户面功能节点102b对应一个边缘云节点组。或者,也可根据每个用户面功能节点102b对应的边缘云节点的性能参数,从每个性能梯度的边缘云节点中各取1个或多个边缘云节点,组成一个边缘云节点组,每个用户面功能节点102b对应一个边缘云节点组;等等。
对于移动网络10,如图1b所示,还包括:接入网(Access Network,AN)102。其中,接入网103也可为无线接入网(Radio Access Network,RAN)。接入网103主要包括基站,可为接入移动网络10的用户终端30提供通信或数据处理服务。基站与用户面功能节点102b对接。其中,一个用户面功能节点102可对接一个或多个基站。多个是指2个或2个以上。每个用户面功能节点102对应的边缘云节点可部署于其对接的机房内。优选地,可根据边缘云节点的性能参数,将性能参数位于一定范围内的边缘云节点划分 至一个边缘云节点组,得到多个边缘云节点组。每个用户面功能节点102b对应一个边缘云节点组。这样,由于该边缘云节点组中的边缘云节点性能相同或者相似,因此,对于用户终端30来说,在同一边缘云节点组内移动时,可保证边缘云节点不发生变更。但是,若用户终端30当前对应的边缘云节点出现故障、负载过高等情况,可从待变更的边缘云节点对应的边缘云节点组中,选择目标边缘云节点,这样有助于提高边缘云节点的切换效率。
相应地,会话管理功能节点102a可根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
在上述可选实施方式1A和1B中,会话管理功能节点102a可将待变更的边缘云节点的标识以及目标边缘云节点的标识提供给中心管控节点40。边缘云节点的标识可为唯一标识一个边缘云节点的信息。可选地,边缘云节点的标识可为边缘云节点的IP地址、编号或者MAC地址等。可选地,会话管理功能节点102a可向中心管控节点40发送节点变更通知。该节点变更通知包括待变更的边缘云节点的标识以及目标边缘云节点的标识。相应地,中心管控节点40可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务;并将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的边缘云节点(即目标边缘云节点)上。
进一步,中心管控节点40完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向会话管理节点102a提供服务迁移成功通知。会话管理节点102a可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。用户面功能节点102b可基于目标边缘云节点与用户终端30之间的会话连接,实现目标边缘云节点与用户终端30之间的路由。
可选实施方式1C:会话管理功能节点102a可指示中心管控节点40从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
在可选实施方式1C中,会话管理功能节点102a可将待变更的边缘云节点的服务质量要求提供给中心管控节点40。可选地,向中心管控节点40提供节点变更请求,该节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求。相应地,中心管控节点40可响应于节点变更请求,获取边缘云网络20中除待变更边缘云节点之外的其它边缘云节点的服务质量参数值。其中,所述其它边缘云节点的服务质量参数可由用户面功能节点102b或会话管理功能节点102a提供。进一步,中心管控节点40可根据待变更的边缘云节点对应的用户终端的服务质量要求以及上述其它边缘云节点的服务质量参数值,从这些其它边缘云节点中,选择满足服务质量要求的目标边缘云节点;并将目标 边缘云节点的标识提供给会话管理功能节点102a。
进一步,在中心管控节点40将目标边缘云节点的标识提供给会话管理功能节点102a之前,中心管控节点40还可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务。其中,待变更的边缘云节点的标识可携带于节点变更请求中,也可由单独的信令提供。进一步,中心管控节点40可将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的边缘云节点(即目标边缘云节点)上。进一步,中心管控节点40完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向会话管理节点102a提供服务迁移成功通知。会话管理节点102a可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。用户面功能节点102b可基于目标边缘云节点与用户终端30之间的会话连接,实现目标边缘云节点与用户终端30之间的路由。
实施方式2:由用户面功能节点102b选择目标边缘云节点。主要实施方式如下:用户面功能节点102b可根据待变更的边缘云节点对应的用户终端的服务质量要求以及边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。下面对由用户面功能节点102b选择目标边缘云节点的具体实施方式进行说明:
可选实施方式2A:边缘云网络20中预留有边缘云节点,预留的边缘云节点为边缘云网络20的部分边缘云节点。相应地,用户面功能节点102b可从边缘云网络20预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
可选实施方式2B:用户面功能节点102b可获取用户面功能节点与边缘云节点组之间的对应关系。其中,用户面功能节点102b可维护用户面功能节点与边缘云节点组之间的对应关系。或者,用户面功能节点102b可接收会话管理节点102a提供的用户面功能节点与边缘云节点组之间的对应关系。相应地,用户面功能节点102b可根据用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
在上述可选实施方式2A和2B中,用户面功能节点102b可将待变更的边缘云节点的标识以及目标边缘云节点的标识提供给中心管控节点40。边缘云节点的标识可为唯一标识一个边缘云节点的信息。可选地,边缘云节点的标识可为边缘云节点的IP地址、编号或者MAC地址等。可选地,用户面功能节点102b可向中心管控节点40发送节点变更通知。该节点变更通知包括待变更的边缘云节点的标识以及目标边缘云节点的标识。相应地,中心管控节点40可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务;并将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的 边缘云节点(即目标边缘云节点)上。
进一步,中心管控节点40完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向用户面功能节点102b提供服务迁移成功通知。用户面功能节点102b可响应于该服务迁移成功通知,请求会话管理功能节点102a建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。可选地,用户面功能节点102b可将目标边缘云节点的标识提供给会话管理功能节点102a。对于由用户面功能节点102b识别待变更的边缘云节点的情况,用户面功能节点102b可将待变更的边缘云节点的标识提供给会话管理功能节点102a。会话管理功能节点102a可根据目标边缘云节点的标识以及待变更的边缘云节点的标识,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。用户面功能节点102b可基于目标边缘云节点与用户终端30之间的会话连接,实现目标边缘云节点与用户终端30之间的路由。
可选实施方式2C:用户面功能节点102b可指示中心管控节点40从边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
在可选实施方式2C中,用户面功能节点102b可将待变更的边缘云节点的服务质量要求提供给中心管控节点40。可选地,用户面功能节点102b向中心管控节点40提供节点变更请求,该节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求。相应地,中心管控节点40可响应于节点变更请求,获取边缘云网络20中除待变更边缘云节点之外的其它边缘云节点的服务质量参数值。其中,所述其它边缘云节点的服务质量参数可由用户面功能节点102b或会话管理功能节点102a提供。进一步,中心管控节点40可根据待变更的边缘云节点对应的用户终端的服务质量要求以及上述其它边缘云节点的服务质量参数值,从这些其它边缘云节点中,选择满足服务质量要求的目标边缘云节点;并将目标边缘云节点的标识提供给用户面功能节点102b。
进一步,在中心管控节点40将目标边缘云节点的标识提供给用户面功能节点102b之前,中心管控节点40还可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务。其中,待变更的边缘云节点的标识可携带于节点变更请求中,也可由单独的信令提供。进一步,中心管控节点40可将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的边缘云节点(即目标边缘云节点)上。进一步,中心管控节点40完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向用户面功能节点102b提供服务迁移成功通知。用户面功能节点102b可响应于该服务迁移成功通知,请求会话管理功能节点102a建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。关于会话管理功能节点102a建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接的过程,可参见上述实施例的相关内容,在此不再赘述。用户面功能节点102b可基于目标边缘云节点与用户终端30之间的会话连 接,实现目标边缘云节点与用户终端30之间的路由。
可选地,在上述可选实施方式1C和可选实施方式2C中,对于中心管控节点102在选择目标边缘云节点时,可从边缘云网络20预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点;其中,预留的边缘云节点为所述多个边缘云节点中的部分边缘云节点。
或者,中心管控节点40也可获取用户面功能节点与边缘云节点组之间的对应关系;并根据用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;之后,从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。其中,用户面功能节点与边缘云节点组之间的对应关系可由用户面功能节点102b或会话管理功能节点102a提供。可选地,若用户面功能节点与边缘云节点组之间的对应关系由会话管理功能节点102a提供,会话管理功能节点102a可将该对应关系携带于节点变更请求中;或者,也可采用与节点变更请求不同的信令流程将用户面功能节点与边缘云节点组之间的对应关系提供给中心管控节点40。
在一些实施例中,对于中心管控节点40来说,若边缘云网络20中除待变更的边缘云节点之外的其它边缘云节点,均不满足待变更的边缘云节点对应的用户终端30的服务质量要求,即其它边缘云节点中不存在满足待变更的边缘云节点对应的用户终端30的服务质量要求的边缘云节点,则中心管控节点40还可监测是否有新的边缘云节点加入边缘云网络20;并在监测到有新的边缘云节点加入边缘云网络20的情况下,从新的边缘云节点中选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的边缘云节点,作为目标边缘云节点。
进一步,中心管控节点40可将待变更的边缘云节点所提供的服务迁移至目标边缘云节点。可选地,中心管控节点40还可通知会话管理功能节点102b重新选择新的用户面功能节点。其中,会话管理功能节点102b选择用户面管理节点的具体实施方式将在下文进行说明,在此暂不赘述。
相应地,若中心管控节点40未检测到新的边缘云节点加入边缘云网络20和/或新的边缘云节点不满足待变更的边缘云节点对应的用户终端30的服务质量要求,则中心管控节点40可通知会话管理功能节点102b进行会话重选。若会话管理功能节点102b会话重选成功,则将会话重选选择的边缘云节点作为目标边缘云节点。可选地,会话管理功能节点102b在进行会话重选时,可从边缘云网络20中选择当前性能满足设定的条件的边缘云节点作为目标边缘云节点。例如,可从边缘云网络20中选择当前性能最好的边缘云节点作为目标边缘云节点。相应地,若会话管理功能节点102b会话重选失败,则待变更的边缘云节点继续为用户终端30提供服务。
在本申请实施例中,移动网络10还包括:接入网(Access Network,AN)102。其 中,接入网103也可为无线接入网(Radio Access Network,RAN)。接入网103主要包括基站,可为接入移动网络10的用户终端30提供通信或数据处理服务。如图1b所示,基站与用户面功能节点102b对接。其中,一个用户面功能节点102可对接一个或多个基站。多个是指2个或2个以上。一个会话管理功能节点102a可管理1个或多个用户面功能节点102b。在一个会话管理功能节点102a可管理多个用户面功能节点102b的情况下,会话管理功能节点102a还可为基站更换所对接的用户面功能节点102b。在用户面功能节点102b发生变更的情况下,可由会话管理功能节点102a进行目标边缘云节点的选择,具体实施方式可参见上述实施方式1以及可选实施方式1A-1C中的相关内容,在此不再赘述。
在本实施例中,会话管理功能节点102a识别多个用户面功能节点102b中的待变更的用户面功能节点。可选地,会话管理功能节点102a可监测多个用户面功能节点102b的性能;并在监测到多个用户面功能节点102b中存在性能不满足对接的基站的性能要求的情况下,确定不满足对接的基站的性能要求的用户面功能节点为待变更的用户面功能节点。其中,不满足对接的基站的性能要求的用户面功能节点102b可以为:用户面功能节点102b发生故障,和/或,用户面功能节点102b针对其对接的基站的计算发生溢出,和/或用户终端30移动出用户面功能节点102b对接的基站的覆盖范围,即用户终端30接入其它用户面功能节点对接的基站等。
进一步,会话管理功能节点102a可从其它用户面功能节点中,选择目标用户面功能节点。可选地,会话管理功能节点102a可根据多个用户面功能节点102b的性能,从除待变更的用户面功能节点之外的其它用户面功能节点中,选择满足待变更的用户面功能节点对接的基站的性能要求的用户面功能节点,作为目标用户面功能节点。其中,用户面功能节点102b的性能包括以下至少一种:用户面功能节点102b的运行状态、用户面功能节点102b的负载状况、计算能力、存储能力以及网络质量等等。其中,计算能力主要表现为CPU或GPU等计算资源的性能。
进一步,在会话管理功能节点102a选择出目标用户面功能节点102b之后,可建立会话管理功能节点102a与目标用户面功能节点102b之间的通信连接。进一步,为了使边缘云网络20继续为用户终端30提供服务,还需建立目标用户面功能节点102b与边缘云节点201之间的通信连接。下面对几种建立目标用户面功能节点102b与边缘云节点201之间的通信连接的实施方式进行示例性说明。
实施方式A:会话管理功能节点102a在选择出目标用户面功能节点之后,可将待变更的边缘云节点的标识提供给目标用户面功能节点。这样,目标用户面功能节点便可根据待变更的边缘云节点的标识,建立目标用户面功能节点建立与待变更的边缘云节点之间的通信。由于会话管理节点102a已经建立了待变更的边缘云节点与其服务的用户终端30之间的会话连接,因此目标用户面功能节点在建立目标用户面功能节点建立与待变更 的边缘云节点之间的通信之后,便可基于待变更的边缘云节点与其服务的用户终端30之间的会话连接,实现待变更的边缘云节点与其服务的用户终端30之间的路由。
在实施方式A中,会话管理功能节点102a不需要通知中心管控节点40对原边缘云节点提供的服务进行重新部署,也就无需与中心管控节点40进行交互,可降低服务中断的概率,提供边缘云网络的服务质量。
实施方式B:会话管理功能节点102a在选择出目标用户面功能节点之后,可从用户面功能节点对应边缘云节点中选择目标边缘云节点;并指示中心管控节点40将待变更的边缘云节点所提供的服务迁移至目标边缘云节点;之后,建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接。这样,目标用户面功能节点便可基于目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话连接,实现所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的路由。其中,关于会话管理功能节点102a指示中心管控节点40将待变更的边缘云节点所提供的服务迁移至目标边缘云节点的具体实施方式,以及中心管控节点40将待变更的边缘云节点所提供的服务迁移至目标边缘云节点的具体实施方式,可参见上述实施例的相关内容,在此不再赘述。
在实施方式B中,会话管理功能节点102a可自己从用户面功能节点对应边缘云节点中选择目标边缘云节点,也可指示目标用户面功能节点或中心管控节点40,从用户面功能节点对应的边缘云节点中选择目标边缘云节点。其中,对于会话管理功能节点102a指示目标用户面功能节点或中心管控节点40,从目标用户面功能节点对应的边缘云节点中选择目标边缘云节点,会话管理功能节点102a可向目标用户面功能节点提供待变更的边缘云节点对应的用户终端30的服务质量要求,这样,目标用户面功能节点可根据其对应的边缘云节点的服务质量参数以及待变更的边缘云节点对应的用户终端30的服务质量要求,从目标用户面功能节点对应的边缘云节点中选择满足上述服务质量要求的目标边缘云节点。关于会话管理功能节点102a自己从用户面功能节点对应边缘云节点中选择目标边缘云节点,以及指示中心管控节点40,从目标用户面功能节点对应的边缘云节点中选择目标边缘云节点的具体实施方式,可参见上述实施例的相关内容,在此不再赘述。
实施方式C:建立目标用户面功能节点与待变更的用户面功能节点之间的通信。由于待变更的用户面功能节点与其对应的边缘云节点之间的通信连接是已存在的,建立目标用户面功能节点与待变更的用户面功能节点之间的通信,便可建立目标用户面功能节点与待变更的用户面功能节点对应的边缘云节点之间的通信,这样,目标用户面功能节点可基于待变更的用户面功能节点对应的边缘云节点与该边缘云节点对应的用户终端30之间的会话连接,实现待变更的用户面功能节点对应的边缘云节点与该边缘云节点对应的用户终端30之间的路由。
在实施方式C中,会话管理功能节点102a不需要通知中心管控节点40对原边缘云 节点提供的服务进行重新部署,可降低服务中断的概率,提供边缘云网络的服务质量。但是由于目标用户面功能节点与待变更的用户面功能节点对应的边缘云节点之间的通信,需要经过待变更的用户面功能的中转,因此,会导致边缘云网络20向待变更的用户面功能节点对应的边缘云节点所服务的用户终端30提供的服务的时延增加。
值得说明的是,上述各实施例中只是以移动网络包括本申请实施例涉及的网元进行说明,并不意味着移动网络只包括本申请各实施例示出的网元。例如,如图1b所示,对于5G移动网络来说,核心网网元102还包括:接入和移动性管理功能(Access and Mobility Management Function,AMF)网元,主要负责非接入层(Non-access Stratum,NAS)消息的加密和完保、负责注册、接入、移动性、鉴权、透传短信等功能。此外,移动网络还可包括:鉴权服务器功能(Authentication Server Function,AUSF)、统一数据管理(Unified Data Management,UDM)、网络开放功能(Network Exposure Function,NEF)、网络切片选择功能(Network Slice Selection Function,NSSF)、网络存储功能(NF Repository Function,NRF)、策略控制功能(Policy Control function,PCF)、应用层功能(Application Function,AF)等网元。
在本申请实施例中,用户终端除了通过移动网络与边缘云网络通信之外,还可通过其它通信网络与边缘云网络通信。例如,通过WiFi网络或有限网络等通信网络与边缘云网络通信。相应地,如图1c所示,本申请实施例还提供一种网络系统,该网络系统包括:通信网络S10和边缘云网络S20。其中,通信网络S10可以为有线或无线通信网络。其中,无线通信网络可以为WiFi网络、移动网络或它们的组合。其中关于移动网络以及边缘云网络S20的描述,可参见上述实施例的相关内容,在此不再赘述。
在本实施例中,通信网络S10与边缘云网络S20中的边缘云节点S201通信连接。其中,关于边缘云节点和用户终端的描述,可参见上述实施例的相关内容,在此不再赘述。用户终端S30可通过接入通信网络S10,并通过通信网络S10的网元建立用户终端S30与边缘云节点S201之间的会话,实现用户终端3S0与边缘云节点S201之间的路由。
在实际应用中,用户终端30可能具有一定的移动性,或者边缘云节点自身网络状况发生变化,原边缘云节点无法为用户终端30继续提供服务,这会涉及到需要为用户终端选择新的边缘云节点,如何选择新的边缘云节点以及建立用户终端与新的边缘云节点之间的通信成为亟待解决的问题。
为了解决上述问题,在本实施例中,通信网络S10可识别多个边缘云节点S201中的待变更的边缘云节点。可选地,通信网络S10可监测多个边缘云节点S201的服务质量参数值;并根据多个边缘云节点S201分别对应的用户终端30的服务质量要求以及多个边缘云节点S201的服务质量参数值,识别待变更的边缘云节点,其具体实施方式可参见上述移动网络中的网元识别待变更的边缘云节点的相关内容,在此不再赘述。
在本申请实施例中,通信网络S10和中心管控节点S40都可用来作为资源调度的目 标调度节点。即目标调度节点可以为通信网络S10或中心管控节点S40。图1a仅以目标调度节点为中心管控节点S40进行图示,但并不构成限定。对于目标调度节点,可从边缘云网络S20中除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。其中,关于目标调度节点选择目标边缘云节点的具体实施方式以及目标调度节点的实现形态的描述,均可参见上述实施例的相关内容,在此不再赘述。可选地,若通信网络S10为WiFi网络。目标调度节点可为WiFi网络中的接入点(Access Point,AP),或者为分布式系统(Distribution System,DS)。分布式系统通过AP将多个基本服务集连接起来。其中,基本服务集可由一个接入点和若干个站点(STA)组成;或者,由若干个站点组成。若干个是指最少两个。站点,是指具有WIFI通信功能的,并且连接到无线网络中的终端设备,如手机、平板电脑、笔记本电脑等。
进一步,中心管控节点S40可将待变更的边缘云节点提供的服务迁移至目标边缘云节点。其中,关于中心管控节点S40将待变更的边缘云节点提供的服务迁移至目标边缘云节点的具体实施方式可参见上述系统实施例的相关内容,在此不再赘述。
之后,通信网络S10可建立目标边缘云节点与待变更的边缘云节点对应的用户终端30之间的会话(Session)连接。这样,便可由目标边缘云节点继续为用户终端30提供服务。
本实施例提供的网络系统,通信网络与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并通过移动网络中的网元建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
另一方面,本实施例中由通信网络,从网络层对边缘云节点的服务质量进行监测,可提高服务质量监测的及时性,提高发现边缘云节点服务质量降低的效率,进而可提高后续选择新的边缘云节点的及时性,有助于保障边缘云网络的服务质量。
除了上述实施例提供的网络系统之外,本申请实施例还提供网络重连方法,下面分别从上述会话管理功能节点、用户面功能节点以及中心管控节点的角度进行示例性说明。其中,关于会话管理功能节点、用户面功能节点以及中心管控节点的实现形式以及部署方式,均可参见上述系统实施例的相关内容,在此不再赘述。
图2为本申请实施例提供的一种网络重连方法的流程示意图。该方法适用于移动网络中的会话管理功能节点。如图2所示,该方法包括:
201、获取边缘云网络中的待变更的边缘云节点。
202、指示目标调度节点从边缘云网络中其它边缘云节点中,选择目标边缘云节点;其中,目标调度节点为会话管理节点、中心管控节点或移动网络中的用户面功能节点。
203、在中心管控节点将将待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在本实施例步骤201中,会话管理功能节点可获取边缘云网络中的待变更的边缘云节点。可选地,步骤201的一种可选实施方式为:会话管理节点可识别边缘云网络中的待变更的边缘云节点。可选地,用户面功能节点可监测该用户面功能节点对应的边缘云节点组的服务质量参数值;并将该用户面功能节点对应的边缘云节点组的服务质量参数值提供给会话管理功能节点。相应地,会话管理功能节点可根据用户面功能节点对应的边缘云节点组的服务质量参数值以及用户终端的服务质量要求,判断所述边缘云节点组中是否存在服务质量参数值不满足对应的用户终端的服务质量要求的边缘云节点;若判断结果为是,则将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
或者,由移动网络中的用户面功能节点识别边缘云网络中的待变更的边缘云节点,并将待变更的边缘云节点的标识提供给会话管理功能节点。关于用户面功能节点识别待变更的边缘云节点的具体实施方式可参见上述系统实施例中识别方式1中的相关内容,在此不再赘述。相应地,步骤201另一种可选实施方式为:接收用户面功能节点提供的待变更的边缘云节点的标识,并确定与该标识对应的边缘云节点为待变更的边缘云节点。
进一步,在步骤202中,指示目标调度节点从边缘云网络中除待变更的边缘云节点之外的其它边缘云节点中选择目标边缘云节点。其中,目标调度节点可以为会话管理功能节点,也可为中心管控节点或移动网络中的用户面功能节点。
之后,在步骤203中,可建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。这样,便可由目标边缘云节点继续为用户终端提供服务。
在本实施例中,若目标调度节点为会话管理节点,则会话管理节点可指示中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点。目标边缘云节点为边缘云网络中除待变更的边缘云节点之外的其它边缘云节点。相应地,对于中心管控节点可响应于会话管理功能节点的指示,将待变更的边缘云节点提供的服务迁移至目标边缘云节点。关于中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。若目标调度节点为移动网络中的用户面功能节点,则用户面功能节点可响应于会话管理节点的指示,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;并指示中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点。相应地,用户面功能节点还可将目标边缘云节点的标识提供给会话管理功能节点,会话管理功能节点基于目标边缘云节点的标识,建立待变更的边缘云节点对应的用户终端与目标边缘云节点之间的会话。若目标调度节点为中心管控节点,则中心管控节点可响应于会话管理功能节点的指示,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;并将待变更的边缘云节点提供的服务迁移至目标边缘云节点。之后,将目标边缘云节点的标识提供给会话管理节点。会话管理节点基于目标边缘云节点的标识 建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。这样,便可由目标边缘云节点继续为用户终端提供服务。
在本实施例中,移动网络中的会话管理功能节点与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
另一方面,本实施例中由移动网络的会话管理功能节点,从网络层对边缘云节点的服务质量进行监测,可提高服务质量监测的及时性,提高发现边缘云节点服务质量降低的效率,进而可提高后续选择新的边缘云节点的及时性,有助于保障边缘云网络的服务质量。
在本实施例中,会话管理节点可从边缘云网络中除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。具体实施方式如下:根据待变更的边缘云节点对应的用户终端的服务质量要求以及边缘云网络中除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。下面对由会话管理功能节点选择目标边缘云节点的具体实施方式进行说明:
可选实施方式1A:边缘云网络中预留有边缘云节点,预留的边缘云节点为边缘云网络的部分边缘云节点。相应地,会话管理功能节点可从边缘云网络预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端的服务质量要求的目标边缘云节点。这样,有助于加快目标边缘云节点的选择速度,进而加快后续边缘云节点变更的速度。
可选实施方式1B:会话管理功能节点维护有用户面功能节点与边缘云节点组之间的对应关系。会话管理功能节点可根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端的服务质量要求的目标边缘云节点。
在上述可选实施方式1A和1B中,会话管理功能节点可将待变更的边缘云节点的标识以及目标边缘云节点的标识提供给中心管控节点。可选地,会话管理功能节点可向中心管控节点发送节点变更通知。该节点变更通知包括待变更的边缘云节点的标识以及目标边缘云节点的标识。相应地,中心管控节点可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务;并将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的边缘云节点(即目标边缘云节点)上。
进一步,中心管控节点完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向会话管理节点提供服务迁移成功通知。会话管理节点可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。 用户面功能节点可基于目标边缘云节点与用户终端之间的会话连接,实现目标边缘云节点与用户终端之间的路由。
可选实施方式1C:会话管理功能节点可指示中心管控节点从边缘云网络中除待变更的边缘云节点之外的其它边缘云节点中,选择满足待变更的边缘云节点对应的用户终端的服务质量要求的目标边缘云节点。
在可选实施方式1C中,会话管理功能节点可将待变更的边缘云节点的服务质量要求提供给中心管控节点。可选地,向中心管控节点提供节点变更请求,该节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求。相应地,中心管控节点可响应于节点变更请求,获取边缘云网络中除待变更边缘云节点之外的其它边缘云节点的服务质量参数值。进一步,中心管控节点可根据待变更的边缘云节点对应的用户终端的服务质量要求以及上述其它边缘云节点的服务质量参数值,从这些其它边缘云节点中,选择满足服务质量要求的目标边缘云节点;并将目标边缘云节点的标识提供给会话管理功能节点。
进一步,在中心管控节点将目标边缘云节点的标识提供给会话管理功能节点之前,中心管控节点还可根据待变更的边缘云节点的标识,确定待变更的边缘云节点提供的服务。其中,待变更的边缘云节点的标识可携带于节点变更请求中,也可由单独的信令提供。进一步,中心管控节点可将待变更的边缘云节点提供的服务迁移至目标边缘云节点的标识对应的边缘云节点(即目标边缘云节点)上。进一步,中心管控节点完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向会话管理节点提供服务迁移成功通知。会话管理节点可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。用户面功能节点1可基于目标边缘云节点与用户终端之间的会话连接,实现目标边缘云节点与用户终端之间的路由。
进一步,步骤203中,建立目标边缘云节点与用户终端之间的会话连接的一种可选实施方式为:根据待变更的边缘云节点的标识,确定待变更的边缘云节点对应的用户终端;根据待变更的边缘云节点对应的用户终端的标识以及目标边缘云节点的标识,建立目标边缘云节点与所述用户终端之间的会话连接。
在本申请实施例中,移动网络还包括:接入网。接入网主要包括基站,可为接入移动网络的用户终端提供通信或数据处理服务。基站与用户面功能节点对接。其中,一个用户面功能节点可对接一个或多个基站。多个是指2个或2个以上。一个会话管理功能节点可管理1个或多个用户面功能节点。在一个会话管理功能节点可管理多个用户面功能节点的情况下,会话管理功能节点还可为基站更换所对接的用户面功能节点。在用户面功能节点发生变更的情况下,可由会话管理功能节点进行目标边缘云节点的选择,具体实施方式可参见上述实施方式1以及可选实施方式1A-1C中的相关内容,在此不再赘述。
在本实施例中,会话管理功能节点可识别多个用户面功能节点中的待变更的用户面功能节点。可选地,会话管理功能节点可监测多个用户面功能节点的性能;并在监测到多个用户面功能节点中存在性能不满足对接的基站的性能要求的情况下,确定不满足对接的基站的性能要求的用户面功能节点为待变更的用户面功能节点。其中,不满足对接的基站的性能要求的用户面功能节点可以为:用户面功能节点发生故障,和/或,用户面功能节点针对其对接的基站的计算发生溢出,和/或用户终端移动出用户面功能节点对接的基站的覆盖范围,即用户终端接入其它用户面功能节点对接的基站等。
进一步,会话管理功能节点可从其它用户面功能节点中,选择目标用户面功能节点。可选地,会话管理功能节点可根据多个用户面功能节点的性能,从除待变更的用户面功能节点之外的其它用户面功能节点中,选择满足待变更的用户面功能节点对接的基站的性能要求的用户面功能节点,作为目标用户面功能节点。其中,用户面功能节点的性能包括以下至少一种:用户面功能节点的运行状态、用户面功能节点的负载状况、计算能力、存储能力以及网络质量等等。其中,计算能力主要表现为CPU或GPU等计算资源的性能。
进一步,在会话管理功能节点选择出目标用户面功能节点之后,可建立会话管理功能节点与目标用户面功能节点之间的通信连接。进一步,为了使边缘云网络继续为用户终端提供服务,还需建立目标用户面功能节点与边缘云节点之间的通信连接。下面对几种建立目标用户面功能节点与边缘云节点之间的通信连接的实施方式进行示例性说明。
实施方式A:会话管理功能节点在选择出目标用户面功能节点之后,可将待变更的边缘云节点的标识提供给目标用户面功能节点,以供目标用户面功能节点根据待变更的边缘云节点的标识,建立目标用户面功能节点建立与待变更的边缘云节点之间的通信。这样,目标用户面功能节点便可根据待变更的边缘云节点的标识,建立目标用户面功能节点建立与待变更的边缘云节点之间的通信。
在实施方式A中,会话管理功能节点不需要通知中心管控节点对原边缘云节点提供的服务进行重新部署,也就无需与中心管控节点进行交互,可降低服务中断的概率,提供边缘云网络的服务质量。
实施方式B:会话管理功能节点在选择出目标用户面功能节点之后,可从用户面功能节点对应边缘云节点中选择目标边缘云节点;并指示中心管控节点将待变更的边缘云节点所提供的服务迁移至目标边缘云节点;之后,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。这样,目标用户面功能节点便可基于目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接,实现所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的路由。其中,关于会话管理功能节点指示中心管控节点将待变更的边缘云节点所提供的服务迁移至目标边缘云节点的具体实施方式,以及中心管控节点将待变更的边缘云节点所提供的服务迁移至目标边缘云节 点的具体实施方式,可参见上述实施例的相关内容,在此不再赘述。
在实施方式B中,会话管理功能节点可自己从用户面功能节点对应边缘云节点中选择目标边缘云节点,也可指示目标用户面功能节点或中心管控节点,从用户面功能节点对应的边缘云节点中选择目标边缘云节点。其中,对于会话管理功能节点指示目标用户面功能节点或中心管控节点,从目标用户面功能节点对应的边缘云节点中选择目标边缘云节点,会话管理功能节点可向目标用户面功能节点提供待变更的边缘云节点对应的用户终端的服务质量要求,这样,目标用户面功能节点可根据其对应的边缘云节点的服务质量参数以及待变更的边缘云节点对应的用户终端的服务质量要求,从目标用户面功能节点对应的边缘云节点中选择满足上述服务质量要求的目标边缘云节点。关于会话管理功能节点自己从用户面功能节点对应边缘云节点中选择目标边缘云节点,以及指示中心管控节点,从目标用户面功能节点对应的边缘云节点中选择目标边缘云节点的具体实施方式,可参见上述实施例的相关内容,在此不再赘述。
实施方式C:建立目标用户面功能节点与待变更的用户面功能节点之间的通信。由于待变更的用户面功能节点与其对应的边缘云节点之间的通信连接是已存在的,建立目标用户面功能节点与待变更的用户面功能节点之间的通信,便可建立目标用户面功能节点与待变更的用户面功能节点对应的边缘云节点之间的通信,这样,目标用户面功能节点可基于待变更的用户面功能节点对应的边缘云节点与该边缘云节点对应的用户终端之间的会话连接,实现待变更的用户面功能节点对应的边缘云节点与该边缘云节点对应的用户终端之间的路由。
在实施方式C中,会话管理功能节点不需要通知中心管控节点对原边缘云节点提供的服务进行重新部署,可降低服务中断的概率,提供边缘云网络的服务质量。但是由于目标用户面功能节点与待变更的用户面功能节点对应的边缘云节点之间的通信,需要经过待变更的用户面功能的中转,因此,会导致边缘云网络向待变更的用户面功能节点对应的边缘云节点所服务的用户终端提供的服务的时延增加。
相应地,本申请实施例还提供一种存储有计算机指令的计算机可读存储介质,当计算机指令被一个或多个处理器执行时,致使一个或多个处理器执行上述图2及其可选实施方式所示的网络重连方法中的步骤。
图3为本申请实施例提供的另一种网络重连方法的流程示意图。该方法适用于移动网络中的用户面功能节点。如图3所示,该方法包括:
301、获取边缘云网络中的待变更的边缘云节点。
302、指示目标调度节点从边缘云网络中的其它边缘云节点中,选择目标边缘云节点;目标调度节点是中心管控节点或移动网络中的用户面功能节点。
303、在中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下,将目标边缘云节点的标识提供给移动网络中的会话管理功能节点,以供会话管理 功能节点建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在本实施例步骤301中,用户面功能节点可获取边缘云网络中的待变更的边缘云节点。可选地,步骤301的一种可选实施方式为:用户面功能节点识别边缘云网络中的待变更的边缘云节点。可选地,用户面功能节点可监测该用户面功能节点对应的边缘云节点组的服务质量参数值;并在监测到所述边缘云节点组中存在服务质量参数值不满足对应的用户终端的服务质量要求的情况下,将不满足对应的用户终端的服务质量要求的边缘云节点作为所述待变更的边缘云节点。
或者,由移动网络中的会话管理功能节点识别边缘云网络中的待变更的边缘云节点,并将待变更的边缘云节点的标识提供给用户面功能节点。关于用户面功能节点识别待变更的边缘云节点的具体实施方式可参见上述系统实施例中识别方式2中的相关内容,在此不再赘述。相应地,步骤301另一种可选实施方式为:接收会话管理功能节点提供的待变更的边缘云节点的标识,并确定与该标识对应的边缘云节点为待变更的边缘云节点。
进一步,在步骤302中,目标调度节点可为用户面功能节点,也可为中心管控节点。在本实施例中,若目标调度节点为用户面功能节点,则用户面功能节点可在选择出目标边缘云节点之后,指示中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点。目标边缘云节点为边缘云网络中除待变更的边缘云节点之外的其它边缘云节点。相应地,对于中心管控节点可响应于用户面功能节点的指示,将待变更的边缘云节点提供的服务迁移至目标边缘云节点。关于中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。
若目标调度节点为中心管控节点,则用户面功能节点可指示中心管理节点选择目标边缘云节点。相应地,中心管控节点可响应于会话管理功能节点的指示,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;并将待变更的边缘云节点提供的服务迁移至目标边缘云节点。之后,将目标边缘云节点的标识提供给用户面功能节点。
之后,在步骤303中,可将目标边缘云节点的标识提供给移动网络中的会话管理功能节点,以供会话管理功能节点建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。这样,便可由目标边缘云节点继续为用户终端提供服务。对于用户面功能节点,可基于目标边缘云节点与用户终端之间的会话连接,实现目标边缘云节点与所述用户终端之间的路由。
在本实施例中,移动网络中的用户面功能节点与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
另一方面,本实施例中由移动网络的用户面功能节点,从网络层对边缘云节点的服务质量进行监测,可提高服务质量监测的及时性,提高发现边缘云节点服务质量降低的效率,进而可提高后续选择新的边缘云节点的及时性,有助于保障边缘云网络的服务质量。
在本实施例中,在中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点之前,还可从边缘云网络中除待变更的边缘云节点之外的其它边缘云节点中选择目标边缘云节点。主要实施方式如下:用户面功能节点可根据待变更的边缘云节点对应的用户终端的服务质量要求以及边缘云网络中除待变更的边缘云节点之外的其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。下面对由用户面功能节点选择目标边缘云节点的具体实施方式进行说明:
可选实施方式2A:边缘云网络中预留有边缘云节点,预留的边缘云节点为边缘云网络的部分边缘云节点。相应地,用户面功能节点可从边缘云网络预留的边缘云节点中,选择满足待变更的边缘云节点对应的用户终端30的服务质量要求的目标边缘云节点。
可选实施方式2B:用户面功能节点可获取用户面功能节点与边缘云节点组之间的对应关系。其中,用户面功能节点可维护用户面功能节点与边缘云节点组之间的对应关系。或者,用户面功能节点可接收会话管理节点提供的用户面功能节点与边缘云节点组之间的对应关系。相应地,用户面功能节点可根据用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足待变更的边缘云节点对应的用户终端的服务质量要求的目标边缘云节点。
可选实施方式2C:用户面功能节点可指示中心管控节点从边缘云网络中除待变更的边缘云节点之外的其它边缘云节点中,选择满足待变更的边缘云节点对应的用户终端的服务质量要求的目标边缘云节点。
在可选实施方式2C中,用户面功能节点可将待变更的边缘云节点的服务质量要求提供给中心管控节点。可选地,用户面功能节点向中心管控节点提供节点变更请求,该节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求。相应地,中心管控节点可响应于节点变更请求,获取边缘云网络中除待变更边缘云节点之外的其它边缘云节点的服务质量参数值。其中,所述其它边缘云节点的服务质量参数可由用户面功能节点或会话管理功能节点提供。进一步,中心管控节点可根据待变更的边缘云节点对应的用户终端的服务质量要求以及上述其它边缘云节点的服务质量参数值,从这些其它边缘云节点中,选择满足服务质量要求的目标边缘云节点;并将目标边缘云节点的标识提供给用户面功能节点。关于中心管控节点从这些其它边缘云节点中,选择满足服务质量要求的目标边缘云节点的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。
相应地,本申请实施例还提供一种存储有计算机指令的计算机可读存储介质,当计算机指令被一个或多个处理器执行时,致使一个或多个处理器执行上述图3及其可选实施方式所示的网络重连方法中的步骤。
图4为本申请实施例提供的又一种网络重连方法的流程示意图。该方法适用于中心管控节点。如图4所示,该方法包括:
401、在移动网络中的网元的指示下,将边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;其中,目标边缘云节点为边缘云网络中除所述待变更的边缘云节点之外的其它边缘云节点。
402、向移动网络中的网元返回服务迁移成功通知,以触发移动网络中的网元建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在本实施例中,移动网络中的网元主要是指负责数据的处理和路由的网元。在一些实施例中,这部分网元可称为核心网网元。关于核心网网元的描述可参见上述系统实施例的相关内容。核心网网元可为:会话管理功能节点或用户面功能节点。关于会话管理功能节点或用户面管理节点识别待变更的边缘云节点以及选择目标边缘云节点的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。
移动网络中的网元可指示中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点。目标边缘云节点为多个边缘云节点中除待变更的边缘云节点之外的其它边缘云节点。相应地,在步骤401中,对于中心管控节点可在移动网络中的网元的指示下,将待变更的边缘云节点提供的服务迁移至目标边缘云节点。其中,关于步骤401的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。
进一步,在步骤402中,中心管控节点完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向移动网络中的网元提供服务迁移成功通知。移动网络中的网元可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。这样,便可由目标边缘云节点继续为用户终端提供服务。
在本实施例中,移动网络中的网元与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
相应地,本申请实施例还提供一种存储有计算机指令的计算机可读存储介质,当计算机指令被一个或多个处理器执行时,致使一个或多个处理器执行上述图4及其可选实施方式所示的网络重连方法中的步骤。
图5为本申请实施例提供的再一种网络重连方法的流程示意图。该方法适用于中心管控节点。如图5所示,该方法包括:
501、在移动网络中的网元的指示下,从边缘云网络除待变更的边缘云节点之外的其 它边缘云节点中,选择目标边缘云节点。
502、将边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点。
503、向移动网络中的网元返回服务迁移成功通知,以触发移动网络中的网元建立所述目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在本实施例中,关于移动网络中的网元的描述可参见上述系统实施例的相关内容。移动网络中的网元可识别边缘云网络中的待变更的边缘云节点。移动网络中的网元可为核心网网元。核心网网元可为:会话管理功能节点或用户面功能节点。关于会话管理功能节点或用户面管理节点识别待变更的边缘云节点的具体实施方式,可参见上述系统实施例的相关内容,在此不再赘述。
在移动网络中的网元可识别边缘云网络中的待变更的边缘云节点之后,可指示中心管控节点从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。可选地,用户面功能节点可向中心管控节点提供节点变更请求,该节点变更请求包含所述待变更的边缘云节点对应的用户终端的服务质量要求。
相应地,对于中心管控节点,可接收所述核心网网元提供的节点变更请求;并从所述节点变更请求中,获取所述其它边缘云节点的服务质量参数值;以及根据待变更的边缘云节点对应的用户终端的服务质量要求以及所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
可选地,中心管控节点可从所述边缘云网络预留的边缘云节点中,选择满足所述服务质量要求的目标边缘云节点;其中,所述预留的边缘云节点为所述多个边缘云节点中的部分边缘云节点。或者,中心管控节点可从所述节点变更请求中获取用户面功能节点与边缘云节点组之间的对应关系;根据所述用户面功能节点与边缘云节点组之间的对应关系,确定所述待变更的边缘云节点隶属的边缘云节点组;并从所述待变更的边缘云节点隶属的边缘云节点组中,选择满足所述服务质量要求的所述目标边缘云节点。
进一步,中心管控节点可将待变更的边缘云节点提供的服务迁移至目标边缘云节点上。中心管控节点完成待变更的边缘云节点提供的服务向目标边缘云节点的迁移之后,可向移动网络中的网元提供服务迁移成功通知。移动网络中的网元可响应于该服务迁移成功通知,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
这样,便可由目标边缘云节点继续为用户终端提供服务。
在本实施例中,移动网络中的网元与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
在一些实施例中,对于中心管控节点来说,若边缘云网络中除待变更的边缘云节点之外的其它边缘云节点,均不满足待变更的边缘云节点对应的用户终端的服务质量要求, 即其它边缘云节点中不存在满足待变更的边缘云节点对应的用户终端的服务质量要求的边缘云节点,则中心管控节点还可监测是否有新的边缘云节点加入边缘云网络;并在监测到有新的边缘云节点加入边缘云网络的情况下,从新的边缘云节点中选择满足待变更的边缘云节点对应的用户终端的服务质量要求的边缘云节点,作为目标边缘云节点。
进一步,中心管控节点可将待变更的边缘云节点所提供的服务迁移至目标边缘云节点。可选地,中心管控节点还可通知会话管理功能节点重新选择新的用户面功能节点。其中,会话管理功能节点选择用户面管理节点的具体实施方式将在下文进行说明,在此暂不赘述。
相应地,若中心管控节点未检测到新的边缘云节点加入边缘云网络和/或新的边缘云节点不满足待变更的边缘云节点对应的用户终端的服务质量要求,则中心管控节点可通知会话管理功能节点进行会话重选。若会话管理功能节点会话重选成功,则将会话重选选择的边缘云节点作为目标边缘云节点。可选地,会话管理功能节点在进行会话重选时,可从边缘云网络中选择选择当前性能满足设定的条件的边缘云节点作为目标边缘云节点。例如,可从边缘云网络中选择当前性能最好的边缘云节点作为目标边缘云节点。最好的边缘云节点作为目标边缘云节点。相应地,若会话管理功能节点会话重选失败,则待变更的边缘云节点继续为用户终端提供服务。
相应地,本申请实施例还提供一种存储有计算机指令的计算机可读存储介质,当计算机指令被一个或多个处理器执行时,致使一个或多个处理器执行上述图5及其可选实施方式所示的网络重连方法中的步骤。
需要说明的是,上述实施例所提供方法的各步骤的执行主体均可以是同一设备,或者,该方法也由不同设备作为执行主体。比如,步骤401和402的执行主体可以为设备A;又比如,步骤401的执行主体可以为设备A,步骤402的执行主体可以为设备B;等等。
另外,在上述实施例及附图中的描述的一些流程中,包含了按照特定顺序出现的多个操作,但是应该清楚了解,这些操作可以不按照其在本文中出现的顺序来执行或并行执行,操作的序号如401、402等,仅仅是用于区分开各个不同的操作,序号本身不代表任何的执行顺序。另外,这些流程可以包括更多或更少的操作,并且这些操作可以按顺序执行或并行执行。
图6为本申请实施例提供的一种电子设备的结构示意图。该电子设备可实现为移动网络中的会话管理功能节点。如图6所示,电子设备,包括:存储器60a和处理器60b;其中,存储器60a,用于存储计算机程序。
处理器60b耦合至存储器60a,用于执行计算机程序以用于:获取边缘云网络中的待变更的边缘云节点;指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是所述会话管理功能节点、中心管控节点或移动 网络中的用户面功能节点;在中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下,建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在一些实施例中,目标调度节点为会话管理功能节点。处理器60b还用于:根据待变更的边缘云节点对应的用户终端的服务质量要求和其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
可选地,处理器60b在从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:从预留的边缘云节点中,选择满足服务质量要求的目标边缘云节点;其中,预留的边缘云节点为边缘云网络中的部分边缘云节点;或者,根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足服务质量要求的目标边缘云节点;或者,指示中心管控节点从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
在另一些实施例中,目标调度节点为中心管控节点,处理器30b在指示目标调度节点从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:通过通信组件60c向中心管控节点提供节点变更请求,节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求,以供中心管控节点从其它边缘云节点中选择满足服务质量要求的目标边缘云节点,并返回目标边缘云节点的标识;并将目标边缘云节点的标识对应的边缘云节点作为目标边缘云节点。
在另一些实施例中,处理器60b在获取多个边缘云节点中的待变更的边缘云节点时,具体用于:通过通信组件60b接收移动网络中的用户面功能节点提供的待变更的边缘云节点的标识;并根据待变更的边缘云节点的标识,确定待变更的边缘云节点;或者,通过通信组件60b接收移动网络中的用户面功能节点提供的用户面功能节点对应的边缘云节点组的服务质量参数值;根据用户面功能节点对应的边缘云节点组的服务质量参数值以及用户终端的服务质量要求,判断边缘云节点组中是否存在服务质量参数值不满足对应的用户终端的服务质量要求的边缘云节点;若判断结果为是,则将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
可选地,处理器60b在建立目标边缘云节点与用户终端之间的会话连接时,具体用于:根据待变更的边缘云节点的标识,确定待变更的边缘云节点对应的用户终端;根据待变更的边缘云节点对应的用户终端的标识以及目标边缘云节点的标识,建立目标边缘云节点与用户终端之间的会话连接。
在又一些实施例中,移动网络中的用户面功能节点的数量为多个。处理器60b还用于:识别多个用户面功能节点中的待变更的用户面功能节点;并从其它用户面功能节点中,选择目标用户面功能节点;以及通过通信组件60c将待变更的边缘云节点的标识提 供给目标用户面功能节点,以供目标用户面功能节点建立与待变更的边缘云节点之间的通信。
可选地,移动网络中的用户面功能节点的数量为多个;处理器60b在从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:识别多个用户面功能节点中的待变更的用户面功能节点;从其它用户面功能节点中,选择目标用户面功能节点;以及将目标用户面功能节点对应的边缘云节点作为其它边缘云节点。
可选地,处理器40b还用于:从目标用户面功能节点对应的边缘云节点中,选择满足服务质量要求的目标边缘云节点。
进一步,处理器60b在从目标用户面功能节点对应的边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:指示目标用户面功能节点,从目标用户面功能节点对应的边缘云节点中,选择满足服务质量要求的目标边缘云节点;或者,指示中心管控节点,从目标用户面功能节点对应的边缘云节点中,选择满足服务质量要求的目标边缘云节点。
在又一些实施例中,移动网络中的用户面功能节点的数量为多个;处理器60b还用于:识别多个用户面功能节点中的待变更的用户面功能节点;从其它用户面功能节点中,选择目标用户面功能节点;并建立目标用户面功能节点与待变更的用户面功能节点之间的通信。
可选地,处理器60b在识别多个用户面功能节点中的待变更的用户面功能节点时,具体用于:监测多个用户面功能节点的性能;在监测到多个用户面功能节点中存在性能不满足对接的基站的性能要求的情况下,确定不满足对接的基站的性能要求的用户面功能节点为待变更的用户面功能节点。
在一些可选实施方式中,如图6所示,该电子设备还可以包括:电源组件60d等可选组件。图6中仅示意性给出部分组件,并不意味着电子设备必须包含图6所示全部组件,也不意味着电子设备只能包括图6所示组件。
本实施例提供的电子设备可实现为移动网络中的会话管理功能节点,与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
图7为本申请实施例提供的另一种电子设备的结构示意图。该电子设备可实现为移动网络中的用户面功能节点。如图7所示,电子设备,包括:存储器70a、处理器70b和通信组件70c;其中,存储器70a,用于存储计算机程序。
处理器70b耦合至存储器70a,用于执行计算机程序以用于:获取边缘云网络中的待变更的边缘云节点;指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是中心管控节点或移动网络中的用户面功能节点; 在中心管控节点将待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下,通过通信组件70c将目标边缘云节点的标识提供给移动网络中的会话管理功能节点,以供会话管理功能节点建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
进一步,处理器70b还用于:基于目标边缘云节点与用户终端之间的会话连接,实现目标边缘云节点与用户终端之间的路由。
在一些实施例中,目标调度节点为用户面功能节点。处理器70b还用于:根据待变更的边缘云节点对应的用户终端的服务质量要求和其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
进一步,处理器70b在从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:从预留的边缘云节点中,选择满足服务质量要求的目标边缘云节点;其中,预留的边缘云节点为边缘云网络中的部分边缘云节点;或者,根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足服务质量要求的目标边缘云节点;或者,指示中心管控节点从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
在另一些实施例中,目标调度节点为中心管控节点。处理器70b在指示目标调度节点从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:通过通信组件70c向中心管控节点提供节点变更请求,节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求,以供中心管控节点从其它边缘云节点中选择满足服务质量要求的目标边缘云节点,并返回目标边缘云节点的标识;以及将目标边缘云节点的标识对应的边缘云节点作为目标边缘云节点。
可选地,处理器70b在获取多个边缘云节点中的待变更的边缘云节点时,具体用于:通过通信组件70c接收移动网络中的会话管理功能节点提供的待变更的边缘云节点的标识;并根据待变更的边缘云节点的标识,确定待变更的边缘云节点;或者,监测用户面功能节点对应的边缘云节点组的服务质量参数值;并在监测到边缘云节点组中存在服务质量参数值不满足对应的用户终端的服务质量要求的情况下,将不满足对应的用户终端的服务质量要求的边缘云节点作为待变更的边缘云节点。
在一些可选实施方式中,如图7所示,该电子设备还可以包括:电源组件70d等可选组件。图7中仅示意性给出部分组件,并不意味着电子设备必须包含图7所示全部组件,也不意味着电子设备只能包括图7所示组件。
本实施例提供的电子设备可实现为移动网络中的用户面功能节点,与中心管控节点相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务, 可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
图8为本申请实施例提供的又一种电子设备的结构示意图。该电子设备可实现为中心管控节点。如图8所示,电子设备,包括:存储器80a、处理器80b和通信组件80c;其中,存储器80a,用于存储计算机程序。
在一些实施例中,处理器80b耦合至存储器80a,用于执行计算机程序以用于:在移动网络中的网元的指示下,将边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;目标边缘云节点为边缘云网络中除待变更的边缘云节点之外的其它边缘云节点;通过通信组件80c向移动网络中的网元返回服务迁移成功通知,以触发移动网络中的网元建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
在另一些实施例中,处理器80b耦合至存储器80a,用于执行计算机程序以用于:在移动网络中的网元的指示下,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;将边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;并通过通信组件80c向移动网络中的网元返回服务迁移成功通知,以触发移动网络中的网元建立目标边缘云节点与待变更的边缘云节点对应的用户终端之间的会话连接。
处理器80b在移动网络中的网元的指示下,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点时,具体用于:通过通信组件80c接收核心网网元提供的节点变更请求;节点变更请求包含待变更的边缘云节点对应的用户终端的服务质量要求;从节点变更请求中,获取其它边缘云节点的服务质量参数值;根据待变更的边缘云节点对应的用户终端的服务质量要求以及其它边缘云节点的服务质量参数值,从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点。
可选地,处理器80b在从其它边缘云节点中,选择满足服务质量要求的目标边缘云节点时,具体用于:从边缘云网络预留的边缘云节点中,选择满足服务质量要求的目标边缘云节点;其中,预留的边缘云节点为多个边缘云节点中的部分边缘云节点;或者,从节点变更请求中获取用户面功能节点与边缘云节点组之间的对应关系;根据用户面功能节点与边缘云节点组之间的对应关系,确定待变更的边缘云节点隶属的边缘云节点组;并从待变更的边缘云节点隶属的边缘云节点组中,选择满足服务质量要求的目标边缘云节点。
在又一些实施例中,处理器80b还用于:在其它边缘云节点不存在满足服务质量要求的边缘云节点的情况下,监测是否有新的边缘云节点加入边缘云网络系统;并在监测到有新的边缘云节点加入边缘云网络系统的情况下,从新的边缘云节点中选择满足服务质量要求的边缘云节点,作为目标边缘云节点。
在一些可选实施方式中,如图8所示,该电子设备还可以包括:电源组件80d等可 选组件。图8中仅示意性给出部分组件,并不意味着电子设备必须包含图8所示全部组件,也不意味着电子设备只能包括图8所示组件。
本实施例提供的电子设备可实现为中心管控节点,与移动网络中的网元相互配合,实现边缘云节点的变更以及边缘云服务的迁移,并建立用户终端与变更后的边缘云节点之间的会话连接。这样,变更后的边缘云节点可继续为用户终端提供服务,可降低服务中断的概率或防止服务质量下降,进而有助于提高网络系统的服务质量。
在本申请实施例中,存储器用于存储计算机程序,并可被配置为存储其它各种数据以支持在其所在设备上的操作。其中,处理器可执行存储器中存储的计算机程序,以实现相应控制逻辑。存储器可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
在本申请实施例中,处理器可以为任意可执行上述方法逻辑的硬件处理设备。可选地,处理器可以为中央处理器(Central Processing Unit,CPU)、图形处理器(Graphics Processing Unit,GPU)或微控制单元(Microcontroller Unit,MCU);也可以为现场可编程门阵列(Field-Programmable Gate Array,FPGA)、可编程阵列逻辑器件(Programmable Array Logic,PAL)、通用阵列逻辑器件(General Array Logic,GAL)、复杂可编程逻辑器件(Complex Programmable Logic Device,CPLD)等可编程器件;或者为先进精简指令集(RISC)处理器(Advanced RISC Machines,ARM)或系统芯片(System on Chip SOC)等等,但不限于此。
在本申请实施例中,通信组件被配置为便于其所在设备和其他设备之间有线或无线方式的通信。通信组件所在设备可以接入基于通信标准的无线网络,如WiFi,2G或3G,4G,5G或它们的组合。在一个示例性实施例中,通信组件经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,通信组件还可基于近场通信(NFC)技术、射频识别(RFID)技术、红外数据协会(IrDA)技术、超宽带(UWB)技术、蓝牙(BT)技术或其他技术来实现。
在本申请实施例中,电源组件被配置为其所在设备的各种组件提供电力。电源组件可以包括电源管理系统,一个或多个电源,及其他与为电源组件所在设备生成、管理和分配电力相关联的组件。
需要说明的是,本文中的“第一”、“第二”等描述,是用于区分不同的消息、设备、模块等,不代表先后顺序,也不限定“第一”和“第二”是不同的类型。
本领域内的技术人员应明白,本申请的实施例可提供为方法、系统、或计算机程序产品。因此,本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本申请可采用在一个或多个其中包含有计算机可用程序代码的 计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
在一个典型的配置中,计算设备包括一个或多个处理器(CPU)、输入/输出接口、网络接口和内存。
内存可能包括计算机可读介质中的非永久性存储器,随机存取存储器(RAM)和/或非易失性内存等形式,如只读存储器(ROM)或闪存(flash RAM)。内存是计算机可读介质的示例。
计算机可读介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括,但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带,磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质,可用于存储可以被计算设备访问的信息。按照本文中的界定,计算机可读介质不包括暂存电脑可读媒体(transitory media),如调制的数据信号和载波。
还需要说明的是,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、商品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、商品或者设备所 固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、商品或者设备中还存在另外的相同要素。
以上所述仅为本申请的实施例而已,并不用于限制本申请。对于本领域技术人员来说,本申请可以有各种更改和变化。凡在本申请的精神和原理之内所作的任何修改、等同替换、改进等,均应包含在本申请的权利要求范围之内。

Claims (39)

  1. 一种网络系统,其特征在于,包括:移动网络中的网元、中心管控节点以及边缘云网络中的多个边缘云节点;
    所述移动网络中的网元,用于:识别所述多个边缘云节点中的待变更的边缘云节点;
    所述移动网络中的网元或所述中心管控节点用于:从除所述待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;
    所述中心管控节点,用于将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点;
    所述移动网络中的网元,还用于建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  2. 根据权利要求1所述的系统,其特征在于,还包括:管理设备;
    所述管理设备,用于显示调度节点配置界面;响应于所述调度节点配置界面的配置操作,获取配置的调度节点作为执行所述选择目标边缘云节点操作的节点;所述配置的调度节点为所述移动网络中的网元或所述中心管控节点;
    所述移动网络中的网元,用于在所述配置的调度节点为中心管控节点的情况下,指示所述中心管控节点从除所述待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点。
  3. 根据权利要求1所述的系统,其特征在于,所述移动网络中的网元或所述中心管控节点,在选择目标边缘云节点时,具体用于:根据所述待变更的边缘云节点对应的用户终端的服务质量要求和所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点。
  4. 根据权利要求3所述的系统,其特征在于,所述移动网络中的网元或所述中心管控节点在选择满足所述服务质量要求的目标边缘云节点时,具体用于:
    从所述边缘云网络预留的边缘云节点中,选择满足所述服务质量要求的目标边缘云节点;其中,所述预留的边缘云节点为所述多个边缘云节点中的部分边缘云节点;
    或者,
    根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定所述待变更的边缘云节点隶属的边缘云节点组;并从所述待变更的边缘云节点隶属的边缘云节点组中,选择满足所述服务质量要求的所述目标边缘云节点。
  5. 根据权利要求3所述的系统,其特征在于,所述移动网络中的网元还用于:在所述中心管控节点选择所述目标边缘云节点的情况下,将所述待变更的边缘云节点对应的用户终端的服务质量要求以及其它边缘云节点的服务质量参数提供给所述中心管控节点;
    所述中心管控节点还用于:将所述目标边缘云节点的标识提供给所述移动网络中的网元;
    所述移动网络中的网元,还用于根据所述目标边缘云节点的标识,建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  6. 根据权利要求3所述的系统,其特征在于,所述移动网络中的网元还用于:在所述移动网络中的网元选择所述目标边缘云节点的情况下,指示所述中心管控节点将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点。
  7. 根据权利要求1所述的系统,其特征在于,所述移动网络中的网元为核心网网元中的会话管理功能节点或用户面功能节点。
  8. 根据权利要求7所述的系统,其特征在于,所述用户面功能节点的数量为多个;
    所述会话管理功能节点,还用于:识别所述多个用户面功能节点中的待变更的用户面功能节点;从其它用户面功能节点中,选择目标用户面功能节点;并将所述待变更的边缘云节点的标识提供给所述目标用户面功能节点,以供所述目标用户面功能节点建立与所述待变更的边缘云节点之间的路由。
  9. 根据权利要求7所述的系统,其特征在于,所述用户面功能节点的数量为多个;
    所述会话管理功能节点,还用于:识别所述多个用户面功能节点中的待变更的用户面功能节点;并从其它用户面功能节点中,选择目标用户面功能节点;将所述目标用户面功能节点对应的边缘云节点作为所述其它边缘云节点;
    所述会话管理功能节点,还用于:所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  10. 根据权利要求9所述的系统,其特征在于,所述会话管理功能节点,还用于:从所述目标用户面功能节点对应的边缘云节点中,选择所述目标边缘云节点;
    或者,指示所述目标用户面功能节点,从所述目标用户面功能节点对应的边缘云节点中,选择所述目标边缘云节点;
    或者,指示所述中心管控节点,从所述目标用户面功能节点对应的边缘云节点中,选择所述目标边缘云节点。
  11. 根据权利要求9所述的系统,其特征在于,所述目标用户面功能节点,用于:基于所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接,实现所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的路由。
  12. 根据权利要求7所述的系统,其特征在于,所述用户面功能节点的数量为多个;
    所述会话管理功能节点,还用于:识别所述多个用户面功能节点中的待变更的用户面功能节点;并从所述其它用户面功能节点中,选择目标用户面功能节点;并建立所述目标用户面功能节点与所述待变更的用户面功能节点之间的通信。
  13. 根据权利要求8-12任一项所述的系统,其特征在于,所述移动网络中的网元还包括:与所述多个用户面功能节点分别对接的基站;
    所述会话管理功能节点,在识别所述多个用户面功能节点中的待变更的用户面功能节点时,具体用于:
    监测所述多个用户面功能节点的性能;并在监测到所述多个用户面功能节点中存在性能不满足对接的基站的性能要求的情况下,确定不满足对接的基站的性能要求的用户面功能节点为所述待变更的用户面功能节点。
  14. 一种网络重连方法,适用于移动网络中的会话管理功能节点,其特征在于,所述方法包括:
    获取边缘云网络中的待变更的边缘云节点;
    指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是所述会话管理功能节点、中心管控节点或移动网络中的用户面功能节点;
    在中心管控节点将所述待变更的边缘云节点提供的服务迁移至所述目标边缘云节点的情况下,建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  15. 根据权利要求14所述的方法,其特征在于,所述目标调度节点为所述会话管理功能节点,还包括:
    根据所述待变更的边缘云节点对应的用户终端的服务质量要求和所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点。
  16. 根据权利要求15所述的方法,其特征在于,所述根据所述待变更的边缘云节点对应的用户终端的服务质量要求和所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点,包括:
    从预留的边缘云节点中,选择满足所述服务质量要求的目标边缘云节点;其中,所述预留的边缘云节点为所述边缘云网络中的部分边缘云节点;
    或者,
    根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定所述待变更的边缘云节点隶属的边缘云节点组;并从所述待变更的边缘云节点隶属的边缘云节点组中,选择满足所述服务质量要求的目标边缘云节点。
  17. 根据权利要求14所述的方法,其特征在于,所述目标调度节点为中心管控节点;所述指示目标调度节点从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点,包括:
    向所述中心管控节点提供节点变更请求,所述节点变更请求包含所述待变更的边缘云节点对应的用户终端的服务质量要求,以供所述中心管控节点从所述其它边缘云节点中选择满足所述服务质量要求的目标边缘云节点,并返回所述目标边缘云节点的标识;
    将所述目标边缘云节点的标识对应的边缘云节点作为所述目标边缘云节点。
  18. 根据权利要求14所述的方法,其特征在于,所述获取边缘云节点中的待变更的边缘云节点,包括:
    接收所述移动网络中的用户面功能节点提供的待变更的边缘云节点的标识;并根据所述待变更的边缘云节点的标识,确定所述待变更的边缘云节点;
    或者,
    接收所述移动网络中的用户面功能节点提供的所述用户面功能节点对应的边缘云节点组的服务质量参数值;根据所述用户面功能节点对应的边缘云节点组的服务质量参数值以及所述用户终端的服务质量要求,判断所述边缘云节点组中是否存在服务质量参数值不满足对应的用户终端的服务质量要求的边缘云节点;若判断结果为是,则将不满足对应的用户终端的服务质量要求的边缘云节点作为所述待变更的边缘云节点。
  19. 根据权利要求14所述的方法,其特征在于,所述建立所述目标边缘云节点与所述用户终端之间的会话连接,包括:
    根据所述待变更的边缘云节点的标识,确定所述待变更的边缘云节点对应的用户终端;
    根据所述待变更的边缘云节点对应的用户终端的标识以及所述目标边缘云节点的标识,建立所述目标边缘云节点与所述用户终端之间的会话连接。
  20. 根据权利要求14所述的方法,其特征在于,所述移动网络中的用户面功能节点的数量为多个;所述方法还包括:
    识别所述多个用户面功能节点中的待变更的用户面功能节点;
    从其它用户面功能节点中,选择目标用户面功能节点;
    将所述待变更的边缘云节点的标识提供给所述目标用户面功能节点,以供所述目标用户面功能节点建立与所述待变更的边缘云节点之间的通信。
  21. 根据权利要求14所述的方法,其特征在于,所述移动网络中的用户面功能节点的数量为多个;所述方法还包括:
    识别所述多个用户面功能节点中的待变更的用户面功能节点;
    从其它用户面功能节点中,选择目标用户面功能节点;
    将所述目标用户面功能节点对应的边缘云节点作为所述其它边缘云节点。
  22. 根据权利要求14所述的方法,其特征在于,所述移动网络中的用户面功能节点的数量为多个;所述方法还包括:
    识别所述多个用户面功能节点中的待变更的用户面功能节点;
    从所述其它用户面功能节点中,选择目标用户面功能节点;
    建立所述目标用户面功能节点与所述待变更的用户面功能节点之间的通信。
  23. 根据权利要求20-22任一项所述的方法,其特征在于,所述识别所述多个用户面功能节点中的待变更的用户面功能节点,包括:
    监测所述多个用户面功能节点的性能;
    在监测到所述多个用户面功能节点中存在性能不满足对接的基站的性能要求的情况下,确定不满足对接的基站的性能要求的用户面功能节点为所述待变更的用户面功能 节点。
  24. 一种网络重连方法,适用于移动网络中的用户面功能节点,其特征在于,所述方法包括:
    获取边缘云网络中的待变更的边缘云节点;
    指示目标调度节点从所述边缘云网络中的其它边缘云节点中,选择目标边缘云节点;所述目标调度节点是中心管控节点或移动网络中的用户面功能节点;
    在所述中心管控节点将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点的情况下;将所述目标边缘云节点的标识提供给所述移动网络中的会话管理功能节点,以供所述会话管理功能节点建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  25. 根据权利要求24所述的方法,其特征在于,还包括:
    基于所述目标边缘云节点与所述用户终端之间的会话连接,实现所述目标边缘云节点与所述用户终端之间的路由。
  26. 根据权利要求24所述的方法,其特征在于,所述目标调度节点为所述用户面功能节点,所述方法还包括:
    根据所述待变更的边缘云节点对应的用户终端的服务质量要求和所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点。
  27. 根据权利要求26所述的方法,其特征在于,所述从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点,包括:
    从预留的边缘云节点中,选择满足所述服务质量要求的目标边缘云节点;其中,所述预留的边缘云节点为所述边缘云网络中的部分边缘云节点;
    或者,
    根据维护的用户面功能节点与边缘云节点组之间的对应关系,确定所述待变更的边缘云节点隶属的边缘云节点组;并从所述待变更的边缘云节点隶属的边缘云节点组中,选择满足所述服务质量要求的所述目标边缘云节点。
  28. 根据权利要求27所述的方法,其特征在于,所述目标调度节点为所述中心管控节点;所述指示所述目标调度节点从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点,包括:
    向所述中心管控节点提供节点变更请求,所述节点变更请求包含所述待变更的边缘云节点对应的用户终端的服务质量要求,以供所述中心管控节点从所述其它边缘云节点中选择满足所述服务质量要求的目标边缘云节点,并返回所述目标边缘云节点的标识;
    将所述目标边缘云节点的标识对应的边缘云节点作为所述目标边缘云节点。
  29. 根据权利要求24所述的方法,其特征在于,所述获取边缘云节点中的待变更的边缘云节点,包括:
    接收所述移动网络中的会话管理功能节点提供的待变更的边缘云节点的标识;并根据所述待变更的边缘云节点的标识,确定所述待变更的边缘云节点;
    或者,
    监测所述用户面功能节点对应的边缘云节点组的服务质量参数值;并在监测到所述边缘云节点组中存在服务质量参数值不满足对应的用户终端的服务质量要求的情况下,将不满足对应的用户终端的服务质量要求的边缘云节点作为所述待变更的边缘云节点。
  30. 一种网络重连方法,适用于中心管控节点,其特征在于,所述方法包括:
    在移动网络中的网元的指示下,将边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;所述目标边缘云节点为所述边缘云网络中除所述待变更的边缘云节点之外的其它边缘云节点;
    向所述移动网络中的网元返回服务迁移成功通知,以触发所述移动网络中的网元建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  31. 一种网络重连方法,适用于中心管控节点,其特征在于,所述方法包括:
    在移动网络中的网元的指示下,从边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;
    将所述边缘云网络中的待变更的边缘云节点提供的服务迁移至目标边缘云节点;
    向所述移动网络中的网元返回服务迁移成功通知,以触发所述移动网络中的网元建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
  32. 根据权利要求31所述的方法,其特征在于,在移动网络中的网元的指示下,从所述边缘云网络除待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点,包括:
    接收所述移动网络中的网元提供的节点变更请求;所述节点变更请求包含所述待变更的边缘云节点对应的用户终端的服务质量要求;
    从所述节点变更请求中,获取所述其它边缘云节点的服务质量参数值;
    根据所述待变更的边缘云节点对应的用户终端的服务质量要求以及所述其它边缘云节点的服务质量参数值,从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点。
  33. 根据权利要求32所述的方法,其特征在于,所述从所述其它边缘云节点中,选择满足所述服务质量要求的目标边缘云节点,包括:
    从所述边缘云网络预留的边缘云节点中,选择满足所述服务质量要求的目标边缘云节点;其中,所述预留的边缘云节点为多个边缘云节点中的部分边缘云节点;
    或者,
    从所述节点变更请求中获取用户面功能节点与边缘云节点组之间的对应关系;根据所述用户面功能节点与边缘云节点组之间的对应关系,确定所述待变更的边缘云节点隶属的边缘云节点组;并从所述待变更的边缘云节点隶属的边缘云节点组中,选择满足所 述服务质量要求的所述目标边缘云节点。
  34. 根据权利要求32所述的方法,其特征在于,还包括:
    在所述其它边缘云节点不存在满足所述服务质量要求的边缘云节点的情况下,监测是否有新的边缘云节点加入所述边缘云网络系统;
    并在监测到有新的边缘云节点加入所述边缘云网络系统的情况下,从所述新的边缘云节点中选择满足所述服务质量要求的边缘云节点,作为所述目标边缘云节点。
  35. 一种电子设备,可实现为移动网络中的会话管理功能节点,其特征在于,所述电子设备,包括:存储器和处理器;其中,所述存储器,用于存储计算机程序;
    所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行权利要求14-23任一项所述方法中的步骤。
  36. 一种电子设备,可实现为移动网络中的用户面功能节点,其特征在于,所述电子设备,包括:存储器、处理器和通信组件;其中,所述存储器,用于存储计算机程序;
    所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行权利要求24-29任一项所述方法中的步骤。
  37. 一种电子设备,可实现为中心管控节点,其特征在于,所述电子设备,包括:存储器、处理器和通信组件;其中,所述存储器,用于存储计算机程序;
    所述处理器耦合至所述存储器,用于执行所述计算机程序以用于执行权利要求30-34任一项所述方法中的步骤。
  38. 一种存储有计算机指令的计算机可读存储介质,其特征在于,当所述计算机指令被一个或多个处理器执行时,致使所述一个或多个处理器执行权利要求14-34任一项所述方法中的步骤。
  39. 一种网络系统,其特征在于,包括:通信网络、中心管控节点以及边缘云网络中的多个边缘云节点;
    所述通信网络,用于:识别所述多个边缘云节点中的待变更的边缘云节点;
    所述通信网络或所述中心管控节点用于:从除所述待变更的边缘云节点之外的其它边缘云节点中,选择目标边缘云节点;
    所述中心管控节点,用于将所述待变更的边缘云节点提供的服务迁移至目标边缘云节点;
    所述通信网络,还用于建立所述目标边缘云节点与所述待变更的边缘云节点对应的用户终端之间的会话连接。
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