WO2019223496A1 - 一种边缘计算应用迁移的方法和装置 - Google Patents

一种边缘计算应用迁移的方法和装置 Download PDF

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Publication number
WO2019223496A1
WO2019223496A1 PCT/CN2019/084668 CN2019084668W WO2019223496A1 WO 2019223496 A1 WO2019223496 A1 WO 2019223496A1 CN 2019084668 W CN2019084668 W CN 2019084668W WO 2019223496 A1 WO2019223496 A1 WO 2019223496A1
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Prior art keywords
edge computing
message
application
information
host
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PCT/CN2019/084668
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English (en)
French (fr)
Inventor
韩志强
黄强
孙波
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中兴通讯股份有限公司
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Priority to EP19806392.7A priority Critical patent/EP3806423A4/en
Priority to US17/057,570 priority patent/US11637891B2/en
Publication of WO2019223496A1 publication Critical patent/WO2019223496A1/zh
Priority to US18/301,068 priority patent/US20230254364A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/148—Migration or transfer of sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/306—User profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal

Definitions

  • the embodiments of the present disclosure relate to, but not limited to, the field of edge computing, and in particular, to a method and device for edge computing application migration.
  • the explosive development of new services drives the evolution of network technology.
  • the interconnection of everything, ultra-low latency, and ultra-high-bandwidth services have become the driving force for network evolution.
  • the main challenges that the future network will face include: (1) ultra-low latency requirements, and the future main services of the mobile Internet (including high-definition or ultra-clear video, virtual reality or augmented reality, the Internet of Things, and the Internet of Vehicles) all require the network Provide transmission guarantee of ultra-low latency and ultra-high bandwidth; (2) Transmission cost and efficiency problems caused by exponential data.
  • the Internet of Everything generates massive Internet of Things connections and massive connections generate massive data. These massive data are transmitted to the cloud and concentrated. Processing will bring a huge burden to the network, and the operation of computing and processing will be derived from the trend of data.
  • Edge computing reduces application hosting concentrated in the data center to the edge of the network, closer to consumers and data sources, and has features such as ultra-low latency and ultra-high bandwidth. It is information technology (IT, Information Technology) and communication technology (CT , Communication (Technology) business project carrier platform.
  • Figure 1 is a schematic diagram of the basic framework of edge computing. As shown in Figure 1, the framework starts from a relatively macro level, and addresses different functions in mobile edge computing (MEC, Mobile Edge Computing) (also known as multi-access edge computing (MEC)). The entity is divided into three levels: network level, edge computing host level and edge computing system level.
  • MEC Mobile Edge Computing
  • the edge computing host level includes an edge computing host and a corresponding edge computing host-level management entity, and the edge computing host can be further divided into an edge computing platform, an edge computing application, and a virtualization infrastructure (referred to as a virtual architecture).
  • the network level mainly includes related external entities such as 3GPP cellular network, local network and external network.
  • This layer mainly represents the access situation of the edge computing working system and the local area network, cellular mobile network or external network.
  • the edge computing system-level management entity is responsible for global control of the edge computing system.
  • ETSI European Telecommunications Standardization Institute
  • ETSI European Telecommunications Standards, Institutes
  • the embodiments of the present disclosure provide a method and device for edge computing application migration, which can improve security.
  • An embodiment of the present disclosure provides a method for edge computing application migration, including:
  • a first edge computing application of a first edge computing host receives a first message sent by an edge computing platform of the first edge computing host, where the first message includes edge computing application information of a second edge computing host;
  • the first edge computing application sends a second message to the second edge computing application of the second edge computing host according to the edge computing application information of the second edge computing host; wherein the second message carries user context information.
  • An embodiment of the present disclosure provides a method for migrating edge computing applications, including:
  • the edge computing platform manager receives a first message, and the first message carries application instance information; the edge computing platform manager performs an application instantiation operation on the edge computing host according to the application instance information.
  • An embodiment of the present disclosure provides a method for migrating edge computing applications, including:
  • a first edge computing application of a first edge computing host receives a first message of a second edge computing application of a second edge computing host, and the first message carries user context information.
  • An embodiment of the present disclosure provides a method for migrating edge computing applications, including:
  • the edge computing orchestrator receives a first message sent by a first edge computing host, where the first message carries user information;
  • the edge computing orchestrator sends a second message to the edge computing platform manager according to the user information, and the second message includes application instance information.
  • An embodiment of the present disclosure provides an edge computing application migration device, including:
  • An edge computing platform is configured to send a first message to a first edge computing application, where the first message includes edge computing application information of a second edge computing host;
  • a first edge computing application configured to receive a first message sent by an edge computing platform of a first edge computing host; sending a second message to a second edge computing application of a second edge computing host; wherein the second message carries a user Contextual information.
  • An embodiment of the present disclosure provides an edge computing application migration device, including:
  • a receiving module configured to receive a first message, where the first message carries application instance information
  • the instantiation module is configured to perform an edge computing application operation on an edge computing host according to the application instance information.
  • An embodiment of the present disclosure provides an edge computing application migration device, including:
  • the first edge computing application is configured to receive a first message from a second edge computing application of a second edge computing host, where the first message carries user context information.
  • An embodiment of the present disclosure provides an edge computing application migration device, including:
  • a receiving module configured to receive a first message sent by a first edge computing host, where the first message carries user information
  • the sending module is configured to send a second message to the edge computing platform manager, where the second message carries application instance information.
  • An embodiment of the present disclosure proposes an apparatus for migrating edge computing applications, including a processor and a computer-readable storage medium, where the computer-readable storage medium stores instructions, and when the instructions are executed by the processor, implementation is implemented. Any of the foregoing edge computing application migration methods.
  • An embodiment of the present disclosure provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of any of the foregoing methods for edge computing application migration are implemented.
  • An embodiment of the present disclosure proposes an edge computing application migration system, including: a first edge computing host and a second edge computing host;
  • the first edge computing application of the first edge computing host is configured to receive a first message sent by the first edge computing platform of the first edge computing host, and the first message includes edge computing application information of the second edge computing host. Sending a second message to the second edge computing application of the second edge computing host according to the edge computing application information of the second edge computing host; wherein the second message carries user context information;
  • the second edge computing application of the second edge computing host is configured to receive a second message of the first edge computing application.
  • Embodiments of the present disclosure include: a first edge computing application of a first edge computing host receives a first message sent by an edge computing platform of the first edge computing host, and the first message includes edge computing application information of a second edge computing host; The first edge computing application sends a second message to the second edge computing application of the second edge computing host according to the edge computing application information of the second edge computing host; wherein the second message carries user context information.
  • the embodiment of the present disclosure initiates the migration of edge computing applications through the edge computing application of the edge computing host, and directly transmits user context information between the edge computing platforms of the edge computing host, so that the user context information is not exposed to the edge computing platform and the edge. Compute orchestrator, which improves the security of user context information.
  • Figure 1 is a schematic diagram of the basic framework of edge computing
  • FIG. 2 is a schematic diagram of an edge computing system according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of an architecture of edge computing according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural composition diagram of an edge computing host according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of migration of an edge computing application according to an embodiment of the present disclosure.
  • FIG. 6 is a flowchart of an edge computing application migration method according to an embodiment of the present disclosure.
  • FIG. 7A is a first flowchart of a method for obtaining edge computing application information of a second edge computing according to an embodiment of the present disclosure
  • FIG. 7B is a second flowchart of a method for obtaining edge computing application information of a second edge computing according to an embodiment of the present disclosure
  • FIG. 8 is a flowchart of an edge computing application migration method according to another embodiment of the present disclosure.
  • FIG. 9 is a flowchart of a method for migrating an edge computing application according to another embodiment of the present disclosure.
  • FIG. 10 is a flowchart of an edge computing application migration method according to another embodiment of the present disclosure.
  • FIG. 11 is a flowchart of an example 1 of a method for migrating an edge computing application according to an embodiment of the present disclosure
  • FIG. 12 is a flowchart of an example 2 of a method for migrating edge computing applications according to an embodiment of the present disclosure
  • FIG. 13 is a flowchart of an example 3 of a method for migrating edge computing applications according to an embodiment of the present disclosure
  • FIG. 14 is a schematic structural composition diagram of an edge computing application migration device according to another embodiment of the present disclosure.
  • FIG. 15 is a schematic structural composition diagram of an edge computing application migration system according to another embodiment of the present disclosure.
  • the first and the second are only used to distinguish different message or execution subjects, and are not set to limit the specific sequence.
  • FIG. 2 is a schematic diagram of an edge computing system according to an embodiment of the present disclosure.
  • the system includes a base station 2, at least one user equipment (UE, User Equipment) 3, an edge computing host 1, a core network 4, and the Internet 5.
  • the base station 2 may perform wireless communication with each user equipment 3 through one or more base station antennas.
  • Each base station 2 can provide communication coverage in a respective geographical area.
  • the base station 2 is also referred to as a base transceiver station, a wireless base station, an access point, a wireless transceiver, a Node B, an evolved Node B (eNodeB or eNB for short), a 5G base station gNB, a home node B, and a home.
  • eNodeB or eNB evolved Node B
  • Cell Cell
  • 3GPP, 3 rd Generation Partnership Project 3GPP, 3 rd Generation Partnership Project
  • Cell Cell
  • UEs are scattered throughout the wireless communication system, and each UE can be fixed or mobile.
  • UE3 can also be referred to by those skilled in the art as mobile station, user station, mobile unit, user unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile user station, access terminal, Mobile terminal, wireless terminal, remote terminal, handheld device, user agent, mobile client, client, or some other suitable term.
  • UE3 can be a cellular phone, personal digital assistant (PDA, Personal Digital Assistant), wireless modem, wireless communication device, handheld device, tablet computer, cordless phone, wireless local loop (WLL) station, IoT terminal, etc. Wait.
  • PDA personal digital assistant
  • WLL wireless local loop
  • Edge computing applications are also referred to as edge computing application examples or mobile edge applications or fog computing applications or micro-cloud applications.
  • the edge computing host 1 which can also be referred to as an edge computing server or a mobile edge computing host or a mobile edge computing server or a fog computing server or a micro cloud server, can be deployed in multiple locations on the network, for example, it can be located at the base station side, or a 3G wireless network Controller (RNC, Radio Network Controller) side, multi-RAN (multi-radio access technology) cellular aggregation point side or core network edge, etc.
  • RNC Radio Network Controller
  • FIG. 2 shows only one of the deployment modes, and those skilled in the art may know that the embodiments of the present disclosure can also be applied to other deployment modes.
  • the edge computing host 1-a provides edge computing services for the base station 2-a
  • the edge computing host 1-b provides edge computing services for the base station 2-b.
  • the edge computing host 1-a and the edge computing host 1-b are connected to the Internet 5 through the core network 4.
  • UE3 When UE3 moves from the service range provided by the edge computing host to the service range provided by another edge computing host, in order to provide users with better services, it may be necessary to migrate the edge computing application providing services on the mobile edge host.
  • UE3 is first attached to the base station 2-a, and an edge computing host 1-a provides an edge computing application service.
  • an edge computing host 1-a When UE3 moves from the coverage area of base station 2-a to the coverage area of base station 2-b, it is necessary to migrate the edge computing application service for UE3 from edge computing host 1-a to edge computing host 1-b.
  • the context information of UE3 needs to be migrated from edge computing host 1-a to edge computing host 1-b.
  • the ETSI MEC working group defines the architecture of edge computing, as shown in Figure 3.
  • Mp indicates reference points related to edge computing applications
  • Mm indicates reference points related to management
  • Mx indicates reference points related to external entities.
  • the edge computing host includes: edge computing applications, edge computing platforms, and virtualization infrastructure.
  • the edge computing host may further include an edge computing platform manager.
  • the edge computing platform manager may also be an independent network element outside the edge computing host.
  • the virtualized infrastructure provides computing, storage, and network resources for edge computing applications.
  • the virtualized infrastructure includes a data plane that is used to execute forwarding rules for data received from the edge computing platform.
  • Edge computing applications run on a virtualized infrastructure and can interact with, consume and provide mobile edge services with edge computing platforms.
  • the edge computing platform receives forwarding rules from the edge computing platform manager, edge computing application, or mobile edge service, and issues instructions based on the forwarding rules and the data plane.
  • the edge computing platform also supports the configuration of a local domain name system (DNS, Domain, Name, System) proxy server, which can redirect data traffic to the corresponding applications and services. It can also communicate with other edge computing platforms through the Mp3 reference point. In the collaborative mechanism of the embedded MEC system, the Mp3 reference point can be used as the basis for interconnecting different edge computing platforms.
  • DNS Domain, Name, System
  • Mobile Edge Orchestrator also known as Edge Computing Orchestrator or Fog Computing Orchestrator or Micro Cloud Orchestrator, is a core function of edge computing system-level management. Load the package, select a suitable edge computing host for application instantiation, application relocation, etc.
  • Edge computing platform manager also known as mobile edge platform manager, fog computing platform manager or micro cloud platform manager or other equivalent concepts, manages the application life cycle (including notification of events related to the mobile edge orchestrator application).
  • the edge computing platform provides element management functions to manage edge computing application rules and requests.
  • the context information of UE3 needs to be migrated from edge computing host 1-a to edge computing host 1-b. It can be migrated from edge computing host 1-a's edge computing application 11-a to edge computing host 1 -b on the edge computing application 11-b. In this way, the context information of UE3 does not need to pass through the edge computing orchestrator, and there is no need to expose application information or user information to the edge computing orchestrator to ensure the security of the information.
  • an edge computing application migration method includes:
  • Step 100 The edge computing application 11-a of the edge computing host 1-a receives a first message sent by the edge computing platform 12-a of the edge computing host 1-a, and the first message includes the edge computing application of the edge computing host 1-b. information.
  • the first message may be a response message, such as an application instance migration response message, an edge computing application response message, or other response messages.
  • the first message may also be a request message, such as a user context migration trigger request message, a user state migration trigger request message, or other request messages.
  • the first message does not include user context information, and is only used to trigger a user context information migration operation.
  • Step 101 The edge computing application 11-a sends a second message to the edge computing application 11-b of the edge computing host 1-b according to the edge computing application information of the edge computing host 1-b; wherein the second message carries user context information.
  • the second message may be a user context migration request.
  • the edge computing application 11-a of the edge computing host 1-a sends a second message to the edge computing platform 12-a of the edge computing host 1-a, and the edge computing host 1-a moves The edge platform 12-a sends a second message to the edge computing platform 12-b of the edge computing host 1-b through the Mp3 interface, and the edge computing platform 12-b of the edge computing host 1-b sends the edge computing to the edge computing host 1-b.
  • Application 11-b sends a second message; that is, the second message is transparent to the edge computing platform, and the edge computing platform does not need to know what the information contained in the second message is, thereby improving the user context information. safety.
  • the edge computing platform 12-a of the edge computing host 1-a sends a second message to the edge computing platform 12-b of the edge computing host 1-b according to the edge computing application information of the edge computing host 1-b.
  • the method before the first edge computing application of the first edge computing host receives the first message sent by the edge computing platform of the first edge computing host, the method further includes:
  • the edge computing application 11-a of the edge computing host 1-a sends a third message to the edge computing platform 12-a, and the third message carries user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the application information identifying the user includes any of the following:
  • Application description identification, installation package identification, and other information (such as edge computing application identification) that can be mapped to application description identification or installation package identification.
  • the location information is identified by the cell to which the UE belongs (for example, Evolved-Universal Mobile Communication System Terrestrial Radio Access Network (E-UTRAN) Universal Terrestrial Radio Access Network) Cell Global Identifier (ECGI) E-UTRAN Cell Global Global Identifier Or the new generation cell identifier (NCGI, NR (New Radio) Cell Global Identifier)); or, the current location coordinates of the UE are used for identification.
  • E-UTRAN Evolved-Universal Mobile Communication System Terrestrial Radio Access Network
  • ECGI E-UTRAN Cell Global Global Identifier
  • NCGI new generation cell identifier
  • NR New Radio
  • the edge computing application 11-a of the edge computing host 1-a may determine that the user is not within the service range of the edge computing host 1-a; or when switching is required, for example, the service quality of the current edge computing host is Poor; or for other reasons, a third message is sent to the edge computing platform, for example, the third message may be a request message (such as an application instance migration request, an edge computing application request message, or other request message).
  • a request message such as an application instance migration request, an edge computing application request message, or other request message.
  • edge computing application 11-a providing services in the edge computing host 1-a will know that UE3 has left the edge computing host 1-a based on the services provided by the edge computing platform 12-a of the edge computing host 1-a Range of services.
  • the services provided by the edge computing platform 12-a of the edge computing host 1-a include wireless network information services and location services.
  • the cell switching event of the UE can be known through the wireless network information provided by the wireless network service, and the location change of the UE can be known through the location information provided by the location service.
  • the method before the first edge computing application of the first edge computing host receives the first message sent by the edge computing platform of the first edge computing host, the method further includes:
  • the edge computing host 1-a sends a fourth message to the edge computing orchestrator 6; the fourth message includes user information.
  • the fourth message may be a request message.
  • the fourth message may be an application migration request message, an edge computing application request message, or another request message.
  • the edge computing host 1-a sends the fourth message to the edge computing orchestrator 6 is the edge computing platform 12-a of the edge computing host 1-a to the edge computing orchestrator 6 through the edge computing platform manager 13-a.
  • Send a fourth message is the edge computing platform 12-a of the edge computing host 1-a to the edge computing orchestrator 6 through the edge computing platform manager 13-a.
  • Send a fourth message The other parts describe that the edge computing host sends a message to the edge computing orchestrator, which means that the edge computing platform of the edge computing host sends the message to the edge computing orchestrator through the edge computing platform manager.
  • edge computing application 11-a of the edge computing host 1-a may send a fourth message to the edge computing orchestrator 6 after sending a third message to the edge computing platform 12-a;
  • the edge computing platform 12-a directly sends a fourth message to the edge computing orchestrator 6.
  • the method before the first edge computing application of the first edge computing host receives the first message sent by the edge computing platform of the first edge computing host, the method further includes:
  • the edge computing host 1-a receives a fifth message sent by the edge computing orchestrator 6; the fifth message includes edge computing application information of the edge computing host 1-b.
  • the fifth message may be a response message.
  • the fifth message may be an application migration response message, an edge computing application response message, or another response message.
  • the fifth message sent by the edge computing host 1-a to receive the edge computing orchestrator 6 is that the edge computing platform 12-a of the edge computing host 1-a receives the edge computing orchestrator through the edge computing platform manager 13-a. 6 sends the fifth message.
  • the other parts describe that the edge computing host receives the message sent by the edge computing orchestrator, which means that the edge computing platform of the edge computing host receives the message sent by the edge computing orchestrator through the edge computing platform manager.
  • the edge computing platform 12-a may obtain the edge computing application information of the edge computing host 1-b from the information stored by itself according to the user information; or, request it from other network elements (such as the edge computing orchestrator 6). Obtain edge computing application information of the edge computing host 1-b.
  • the edge computing platform 12-a subscribes to the edge computing application information of the peripheral edge computing host. When the edge computing application information of the peripheral edge computing host changes, it will receive a notification message sent by the peripheral edge computing host.
  • the edge computing platform 12-a obtains the edge computing application information of the edge computing host 1-b from the information stored by itself according to the user information, referring to FIG. 7A, the edge computing application 11-a of the edge computing host 1-a moves to the edge computing
  • the edge computing platform 12-a of the host 1-a sends a third message; the edge computing application 11-a of the edge computing host 1-a receives the first message of the edge computing platform 12-a of the edge computing host 1-a;
  • the first message includes edge computing application information of the edge computing host 1-b.
  • edge computing platform 12-a When the edge computing platform 12-a requests other network elements (such as the edge computing orchestrator 6) to obtain edge computing application information of the edge computing host 1-b, referring to FIG. 7B, the edge computing application 11-a of the edge computing host 11- a sends a third message to the edge computing platform 12-a of the edge computing host 1-a, and the edge computing platform 12-a of the edge computing host 1-a sends a fourth message to the edge computing orchestrator 6; edge computing The edge computing platform 12-a of the host 1-a receives the fifth message of the edge computing orchestrator 6, and sends a first message to the edge computing application 11-a of the edge computing host 1-a; wherein the first message includes edge computing Edge computing application information for host 1-b.
  • the edge computing application 11-a of the edge computing host 11- a sends a third message to the edge computing platform 12-a of the edge computing host 1-a
  • the edge computing platform 12-a of the edge computing host 1-a sends a fourth message to the edge computing orchestrator 6
  • the edge computing orchestrator 6 after receiving the fourth message, sends an application instantiation request to the edge computing platform manager 13-b according to the user information.
  • the edge computing platform manager 13-b triggers the edge computing host 1-
  • the application instantiation operation is performed on b, and after the application instantiation operation on the edge computing host 1-b is completed, the edge computing orchestrator 6 sends a fifth message to the edge computing host 1-a through the edge computing platform manager 13-a.
  • the edge computing platform 12-a of the edge computing host 1-a sends a first message to the edge computing application 11-a of the edge computing host 1-a through the Mp1 interface, and the edge computing of the edge computing host 1-a
  • the first message sent by the platform 12-a to the edge computing application 11-a of the edge computing host 1-a through the Mp1 interface needs to include the edge computing application information of the edge computing host 1-b.
  • the edge computing application information of the second edge computing host 1-b includes at least one of the following: the address information of the edge computing host 1-b, and the edge computing application 11-b used by the edge computing host 1-b. Port information, edge computing application identification information of edge computing host 1-b.
  • the address information of the edge computing host 1-b is identified by an Internet Protocol (IP) address, a MAC (Media Access Control) address, or a tunnel identifier.
  • IP Internet Protocol
  • MAC Media Access Control
  • the first message or the fifth message further includes at least one of the following: minimum delay information for initiating a user context information synchronization operation, and validity period information for a user context information synchronization operation.
  • the method further includes:
  • Step 102 The edge computing application 11-a receives the sixth message of the edge computing application 11-b of the edge computing host 1-b.
  • the sixth message may be a user context migration response.
  • the edge computing application 11-b of the edge computing host 1-b sends a sixth message to the edge computing platform 12-b of the edge computing host 1-b, and the edge computing host 1-b moves The edge platform 12-b sends a sixth message to the edge computing platform 12-a of the edge computing host 1-a through the Mp3 interface, and the edge computing platform 12-a of the edge computing host 1-a sends the edge computing to the edge computing host 1-a.
  • Application 11-a sends a sixth message.
  • the method further includes: The edge computing host 1-a terminates the edge computing application 11-a of the edge computing host 1-a.
  • the method further includes:
  • the method further includes:
  • the edge computing application 11-a of the edge computing host 1-a receives a seventh message sent by the edge computing platform 12-a of the edge computing host 1-a.
  • the seventh message may be a response message.
  • the seventh message may be a user context migration trigger response message.
  • the first message or the fifth message further includes at least one of the following: minimum delay information for initiating a user context information synchronization operation, and validity period information for a user context information synchronization operation;
  • the method includes at least one of:
  • the edge computing host 1-a sends a third message after the time indicated by the minimum delay information
  • the edge computing host 1-a receives the sixth message within the time indicated by the validity period information.
  • the edge computing host 1-a initiates the user context information synchronization operation after the time indicated by the minimum delay information of the user context information synchronization operation, and completes the user context information within the time indicated by the user context information synchronization operation validity period information Synchronous operation.
  • the embodiment of the present disclosure initiates the migration of edge computing applications through the edge computing application 11-a of the edge computing host 1-a, and initiates the user context migration through the edge computing application 11-a of the edge computing host 1-a, and the edge computing of the edge computing host
  • the user context information is transparently transmitted between the platforms, so that the user context information is not exposed to the edge computing platform and the edge computing orchestrator, which improves the security of the user context information.
  • FIG. 8 another embodiment of the present disclosure provides a method for edge computing application migration, including:
  • Step 200 The edge computing platform manager 13-b receives a first message, where the first message carries application instance information.
  • the first message may be an instantiation operation request.
  • the application instance information includes at least one of the following: an application identifier, an installation package identifier, and an installation package description identifier.
  • Step 201 The edge computing platform manager 13-b performs an application instantiation operation on the edge computing host 1-b according to the application instance information.
  • the method further includes:
  • the edge computing platform manager 13-b sends a second message to the edge computing orchestration 6; the second message includes at least one of the following: minimum delay information for initiating a user context information synchronization operation, and validity period information for the user context information synchronization operation 2.
  • the second message may be an application instantiation response.
  • FIG. 9 another embodiment of the present disclosure provides a method for edge computing application migration, including:
  • Step 300 The edge computing application 11-b of the edge computing host 1-b receives a first message of the edge computing application 11-a of the edge computing host 1-a, and the first message carries user context information.
  • the edge computing application 11-b receives the first message through the edge computing platform 12-b.
  • the first message may be a user context migration request.
  • the method further includes:
  • Step 301 The edge computing application 11-b of the edge computing host 1-b sends a second message to the edge computing application 11-a of the edge computing host 1-a.
  • the edge computing application 11-b sends a second message through the edge computing platform 12-b.
  • the second message may be a user context migration response.
  • another embodiment of the present disclosure provides a method for migrating edge computing applications, including:
  • Step 400 The edge computing orchestrator 6 receives a first message sent by the edge computing host 1-a, where the first message carries user information.
  • the first message may be a request message, such as an application instance migration request, an edge computing application request message, or other request messages.
  • Step 401 The edge computing orchestrator 6 sends a second message to the edge computing platform manager 13-b according to the user information, and the second message includes application instance information.
  • the application instance information includes at least one of the following: an application identifier, an installation package identifier, and an installation package description identifier.
  • the edge computing orchestrator 6 determines the edge computing host 1-b according to the user information, and sends a second message to the edge computing platform manager 13-b.
  • the second message may be an application instantiation request.
  • the method further includes that the edge computing orchestrator 6 receives the edge computing platform manager 13-b and sends The third message is sent to the edge computing host 1-a.
  • the third message may be an application instantiation response.
  • the fourth message may be a response message.
  • edge computing application A In a mobile network, such as a 4G or 5G network, when the UE moves from the area served by cell A to the area served by cell B, under certain conditions, a handover will occur, that is, the UE will attach the relationship Change from cell A to cell B.
  • the information received by edge computing application A may be based on the services provided by the edge computing host.
  • the edge computing platform provides several basic services, including wireless network information services and location services.
  • the cell switching event of the UE can be known through the wireless network information, and the location change of the UE can be known through the location service.
  • Edge computing application A knows that the UE has left the scope of the current edge computing host service through the services provided by the edge computing platform.
  • Edge computing application A may trigger the migration operation of edge computing applications. The operation includes the following steps, as shown in Figure 11:
  • Step 600 The edge computing application 11-a of the edge computing host 1-a sends a request message to the edge computing platform 12-a of the edge computing host 1-a.
  • the request message may be an application instance migration request, an edge computing application migration request message, or another request message.
  • the request message includes user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the location information is identified by the cell identifier (such as ECGI or NCGI) to which the UE belongs, or the IP address of the cell to which the UE belongs, or the IP address of the UE, or the geographic location of the UE;
  • the cell identifier such as ECGI or NCGI
  • Application information identifying the user such as an application description identifier or an installation package identifier, or other information that can be mapped to an application description identifier or an installation package identifier.
  • Step 601 The edge computing platform 12-a of the edge computing host 1-a sends a request message to the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a request message to the edge computing orchestrator 6.
  • the request message may be an application instance migration request, an edge computing application migration request message, or another request message.
  • the request message includes user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the location information is identified by a cell identifier (such as ECGI or NCGI) to which the UE belongs, or an IP address of a cell to which the UE belongs, or an IP address of the UE, or a geographic location of the UE.
  • a cell identifier such as ECGI or NCGI
  • the request message may be an application instance migration request, an edge computing application migration request message, or another request message.
  • Step 602 The edge computing orchestrator 6 determines the edge computing host 1-b according to the user information, sends an application instantiation request to the edge computing platform manager 13-b, and the edge computing platform manager 13-b triggers an application on the edge computing host. Instantiate operation.
  • the application instantiation request includes at least application information identifying the user.
  • Step 603 After the edge computing host 1-b completes the application instantiation operation, the edge computing platform manager 13-b sends an application instantiation response to the edge computing orchestrator 6.
  • the application instantiation response includes information about the edge computing application of the edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information.
  • Step 604 The edge computing orchestrator 6 sends a response message to the edge computing platform 12-a of the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a response message to the edge computing platform 12-a.
  • the response message is, for example, an application instance migration response message, an edge computing application response message, or other response messages.
  • the response message includes edge computing application information of the edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information.
  • Step 605 The edge computing platform 12-a of the edge computing host 1-a sends a response message to the edge computing application 11-a of the edge computing host 1-a.
  • the response message is, for example, an application instance migration response message, an edge computing application response message, or other response messages.
  • the response message includes edge computing application information of the edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information.
  • Step 606 The edge computing application 11-a of the edge computing host 1-a sends a user context migration request to the edge computing application of the edge computing host after the time indicated by the minimum delay information of the user context information synchronization operation. Includes user context information.
  • the edge computing host 1-a initiates a user context information synchronization operation without implementation restrictions.
  • the user context migration request included in the user context migration request sent by the edge computing application 11-a of the edge computing host 1-a to the edge computing application 11-b of the edge computing host 1-b For the edge computing host 1-a, The edge computing platform 12-a of a and the edge computing platform 12-b of the edge computing host 1-b are transparent. The edge computing platform 12-a of the edge computing host 1-a and the edge of the edge computing host 1-b are transparent. The computing platform 12-b does not need to know what is being sent, thereby improving security.
  • Step 607 The edge computing application 11-b of the edge computing host 1-b sends a user context migration response to the edge computing application 11-a of the edge computing host 1-a, and confirms that the user context migration request is successfully included in the user context migration request. .
  • Step 608 The edge computing host 1-a terminates the edge computing application 11-a of the edge computing host 1-a.
  • edge computing application A In a mobile network, such as a 4G or 5G network, when the UE moves from the area served by cell A to the area served by cell B, under certain conditions, a handover will occur, that is, the UE will attach the relationship Change from cell A to cell B.
  • the information received by edge computing application A may be based on the services provided by the edge computing host.
  • the edge computing platform provides several basic services, including wireless network information services and location services.
  • the cell switching event of the UE can be known through the wireless network information, and the location change of the UE can be known through the location service.
  • Edge computing application A knows that the UE has left the scope of the current edge computing host service through the services provided by the edge computing platform.
  • the edge computing application may trigger the migration operation of the edge computing application. The operation includes the following steps, as shown in Figure 12:
  • Step 700 The edge computing application 11-a of the edge computing host 1-a sends a request message to the edge computing platform 12-a of the edge computing host 1-a.
  • the request message may be an application instance migration request, an edge computing application migration request message, or another request message.
  • the request message includes user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the location information is identified by the cell identifier (such as ECGI or NCGI) to which the UE belongs, or the IP address of the cell to which the UE belongs, or the IP address of the UE, or the geographic location of the UE;
  • the cell identifier such as ECGI or NCGI
  • Application information identifying the user such as an application description identifier or an installation package identifier or other information that can be mapped to an application description identifier or an installation package identifier.
  • Step 701 The edge computing platform 12-a of the edge computing host 1-a sends a request message to the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a request message to the edge computing orchestrator 6.
  • the request message may be an application instance migration request, an edge computing application migration request message, or another request message.
  • the request message includes user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the location information is identified by the identity of the cell to which the UE belongs (such as ECGI or NCGI), or the IP address of the cell to which the UE belongs, or the IP address of the UE, or the geographical location of the UE;
  • Application information identifying the user such as an application description identifier or an installation package identifier or other information that can be mapped to an application description identifier or an installation package identifier.
  • Step 702 The edge computing orchestrator 6 determines the edge computing host 1-b according to the user information, sends an application instantiation request to the edge computing platform manager 13-b, and the edge computing platform manager 13-b triggers the application on the edge computing host. Instantiate operation.
  • the edge computing application instantiation request includes at least application information identifying the user.
  • Step 703 After the edge computing host 1-b completes the application instantiation operation, the edge computing platform manager 13-b sends an application instantiation response to the edge computing orchestrator 6.
  • the application instantiation response includes information about the edge computing application of the edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information.
  • Step 704 The edge computing orchestrator 6 sends a response message to the edge computing platform 12-a of the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a response message to the edge computing platform 12-a.
  • the response message is, for example, an application instance migration response message, an edge computing application response message, or other response messages.
  • the response message includes edge computing application information of the edge computing host 1-b, and may also include at least one of the following: minimum delay information of user context information synchronization operation, user context information synchronization operation validity period information, and triggering a user context migration operation.
  • Step 705 The edge computing platform 12-a of the edge computing host 1-a sends a response message to the edge computing application 11-a of the edge computing host 1-a. In this response message, only the information that the application is instantiated successfully is included.
  • Step 706 The edge computing platform 12-a of the edge computing host 1-a sends a user context migration trigger request to the edge computing application 11-a of the edge computing host 1-a.
  • the user context migration trigger request includes edge computing application information of the edge computing host 1-b, and may further include at least one of the following: minimum delay information of user context information synchronization operation, and validity period information of user context information synchronization operation.
  • Step 707 The edge computing application 11-a of the edge computing host 1-a sends a user context migration request to the edge computing application 11-b of the edge computing host 1-b.
  • the context migration request includes context information of the user.
  • the platform 11 and the edge computing platform 21 of the edge computing host 1-b are transparent.
  • the edge computing platform 11 of the edge computing host 1-a and the edge computing platform 21 of the edge computing host 1-b do not need to know what is sent. , Which improves security.
  • Step 708 The edge computing application 11-b of the edge computing host 1-b sends a user context migration response to the edge computing application 11-a of the edge computing host 1-a, and confirms that the context information migration of the user is successfully included in the context migration request. .
  • Step 709 The edge computing application 11-a of the edge computing host 1-a sends a user context migration trigger response to the edge computing platform 12-a of the edge computing host 1-a.
  • Step 710 The edge computing host 1-a terminates the edge computing application 11-a of the edge computing host 1-a.
  • edge computing application A In a mobile network, such as a 4G or 5G network, when the UE moves from the area served by cell A to the area served by cell B, under certain conditions, a handover will occur, that is, the UE will attach the relationship Change from cell A to cell B.
  • the information received by edge computing application A may be based on the services provided by the edge computing host.
  • the edge computing platform provides several basic services, including wireless network information services and location services.
  • the cell switching event of the UE can be known through the wireless network information, and the location change of the UE can be known through the location service.
  • Edge computing application A knows that the UE has left the scope of the current edge computing host service through the services provided by the edge computing platform.
  • the edge computing host assists the edge computing application to complete the application migration.
  • the operation includes the following steps, as shown in Figure 13:
  • Step 800 The edge computing platform 12-a of the edge computing host 1-a sends a request message to the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a request message to the edge computing orchestrator 6.
  • the request message may be an application instance migration request, an edge computing application migration request message, or other request messages.
  • the request message includes user information.
  • the user information includes at least one of the following: location information of the user, and application information identifying the user.
  • the location information is identified by the identity of the cell to which the UE belongs (such as ECGI or NCGI) or the IP address of the cell to which the UE belongs;
  • Application information identifying the user such as an application description identifier or an installation package identifier, or other information that can be mapped to an application description identifier or an installation package identifier.
  • Step 801 The edge computing orchestrator 6 determines the edge computing host 1-b according to the user information, sends an application instantiation request to the edge computing platform manager 13-b, and the edge computing platform manager 13-b triggers the application on the edge computing host. Instantiate operation.
  • the application instantiation request includes at least application information identifying the user.
  • Step 802 After the edge computing host 1-b completes the application instantiation operation, the edge computing platform manager 13-b sends an application instantiation response to the edge computing orchestrator 6.
  • the application instantiation response includes information about the edge computing application of the edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information.
  • Step 803 The edge computing orchestrator 6 sends a response message to the edge computing platform 12-a of the edge computing platform manager 13-a, and the edge computing platform manager 13-a sends a response message to the edge computing platform 12-a.
  • the response message includes edge computing application information of edge computing host 1-b, and may also include at least one of the following: minimum delay information for initiating a user context information synchronization operation, user context information synchronization operation validity period information, and triggering a user context Migration operation.
  • Step 804 The edge computing platform 12-a of the edge computing host 1-a sends a user context migration trigger request to the edge computing application 11-a of the edge computing host 1-a.
  • the user context migration trigger request includes edge computing application information of the edge computing host 1-b, and may further include at least one of the following: minimum delay information for initiating a user context information synchronization operation, and user context information synchronization operation validity period information; Trigger the migration of the user context.
  • Step 805 The edge computing application 11-a of the edge computing host 1-a sends a user context migration request to the edge computing application 11-b of the edge computing host 1-b.
  • the context migration request includes context information of the user.
  • the platform 12-a and the edge computing platform 12-b of the edge computing host 1-b are transparent.
  • the edge computing platform 12-a of the edge computing host 1-a and the edge computing platform 12-b of the edge computing host 1-b are transparent. b There is no need to know what is sent, which improves security.
  • Step 806 The edge computing application 11-b of the edge computing host 1-b sends a user context migration response to the edge computing application 11-a of the edge computing host 1-a, and confirms that the context information of the user is successfully migrated in the context migration request. .
  • Step 807 The edge computing application 11-a of the edge computing host 1-a sends a user context migration trigger response to the edge computing platform 12-a of the edge computing host 1-a.
  • Step 808 The edge computing host 1-a terminates the edge computing application 11-a of the edge computing host 1-a.
  • an apparatus for implementing edge computing application migration, including:
  • the edge computing platform 12-a is configured to send a first message to the edge computing application 11-a, where the first message includes edge computing application information of the second edge computing host;
  • the edge computing application 11-a is configured to receive a first message sent by the edge computing platform 12-a of the edge computing host 1-a; send a second message to the edge computing application 11-b of the edge computing host 1-b; wherein, The second message carries user context information.
  • edge computing platform 12-a is further configured as:
  • the edge computing application 11-a is further configured as:
  • the edge computing application 11-a is further configured as:
  • a sixth message is received from the edge computing platform 12-a.
  • Another embodiment of the present disclosure provides a device (such as the edge computing platform manager 13-b) for implementing edge computing application migration, including:
  • a receiving module configured to receive a first message, where the first message carries application instance information
  • the instantiation module is configured to perform an edge computing application operation on an edge computing host according to the application instance information.
  • the method further includes:
  • a sending module configured to send a second message; the second message includes at least one of the following: minimum delay information for initiating a user context information synchronization operation, validity period information for a user context information synchronization operation, and edge computing by a first edge computing host Application information.
  • Another embodiment of the present disclosure provides a device (such as an edge computing host 1-b) for implementing edge computing application migration, including:
  • the edge computing application 11-b is configured to receive a first message of the edge computing application 11-a of the edge computing host 1-a, where the first message carries user context information.
  • edge computing application 11-b is further configured as:
  • Another embodiment of the present disclosure provides an apparatus (such as an edge computing orchestrator 6) for implementing migration of edge computing applications, including:
  • a receiving module configured to receive a first message sent by a first edge computing host, where the first message carries user information
  • the sending module is configured to send a second message to the second edge computing host, where the second message includes application instance information.
  • Another embodiment of the present disclosure provides an apparatus for migrating edge computing applications, including a processor and a computer-readable storage medium, where the computer-readable storage medium stores instructions, and when the instructions are executed by the processor , To implement any of the foregoing edge computing application migration methods.
  • Another embodiment of the present disclosure provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, implements the steps of any of the foregoing edge computing application migration methods.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer.
  • another embodiment of the present disclosure provides a system for migrating edge computing applications, including: an edge computing host 1-a and an edge computing host 1-b;
  • the edge computing application 11-a of the edge computing host 1-a is configured to receive a first message sent by the edge computing platform 12-a of the edge computing host 1-a, and the first message includes the edge computing host 1-b. Sending edge computing application information to the edge computing application 1-b of the edge computing host 1-b according to the edge computing application information of the edge computing host 1-b; wherein the second message carries user context information;
  • the edge computing application 11-b of the edge computing host 1-b is configured to receive the second message of the edge computing application 11-a.
  • edge computing platform 12-a of the edge computing host 1-a is further configured as:
  • the edge computing application 11-a of the edge computing host 1-a is terminated.
  • it further includes: an edge computing orchestrator 6 and an edge computing platform manager 13-b;
  • the edge computing platform 12-a of the edge computing host 1-a is further configured as:
  • the edge computing orchestrator 6 is configured to receive a third message, and send a fifth message to the edge computing platform manager 13-b, where the fifth message includes application instance information; and receive the sixth message of the edge computing platform manager 13-b Send a fourth message to the edge computing platform 12-a;
  • the edge computing platform manager 13-b is configured to receive a fifth message, trigger an instantiation operation of an application on the edge computing host 1-b, and send a sixth message to the edge computing orchestrator 6.
  • the embodiment of the present disclosure initiates the migration of edge computing applications through the edge computing application 11-a of the edge computing host 1-a, and initiates the user context migration through the edge computing application 11-a of the edge computing host 1-a, and the edge computing of the edge computing host
  • the user context information is transparently transmitted between the platforms, so that the user context information is not exposed to the edge computing platform and the edge computing orchestrator, which improves the security of the user context information.

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Abstract

本公开实施例公开了一种边缘计算机应用迁移的方法和装置，包括：第一边缘计算机主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用消息；所述第一边缘计算应用根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。本公开实施例通过边缘计算主机的边缘计算应用发起边缘计算应用的迁移，在边缘计算主机的边缘计算平台之间直接透传用户上下文信息，从而不会将用户上下文信息暴露给边缘计算平台和边缘计算编排器，提高了用户上下文信息的安全性。

Description

一种边缘计算应用迁移的方法和装置 技术领域
本公开实施例涉及但不限于边缘计算领域，尤指一种边缘计算应用迁移的方法和装置。
背景技术
新业务的爆炸式发展，驱动网络技术的演进，5G时代，万物互联、超低时延、超高带宽业务成为网络演进的驱动力。未来的网络会面临的主要挑战包括：(1)超低的时延需求，移动互联网未来的主要业务(包括高清视频或超清视频、虚拟现实或增强现实、物联网、车联网)都需要网络提供超低时延、超高带宽的传输保障；(2)指数级数据带来的传输成本、效率问题，万物互联网产生海量物联网连接、海量连接产生海量数据，将这些海量数据传输到云端集中处理会给网络带来巨大的负担，而将计算、处理的操作向数据发生地衍生成为趋势。
边缘计算将集中在数据中心的应用程序托管降至网络边缘，更接近消费者和数据源，具备超低时延、超高带宽等特征，是信息技术(IT，Information Technology)和通信技术(CT，Communication Technology)业务结合的立项载体平台。图1为边缘计算的基本框架示意图。如图1所示，该框架从一个比较宏观的层次出发，对移动边缘计算(MEC，Mobile Edge Computing)(也称为多接入边缘计算(MEC，Multi-access Edge Computing))中不同的功能实体进行了网络水平、边缘计算主机级和边缘计算系统级这3个层次的划分。
其中，边缘计算主机级包含边缘计算主机和相应的边缘计算主机级管理实体，边缘计算主机又可以进一步划分为边缘计算平台、边缘计算应用和虚拟化基础设施(即称为虚拟架构)。
网络水平主要包括3GPP蜂窝网络、本地网络和外部网络等相关的外部实体，该层主要表示边缘计算工作系统与局域网、蜂窝移动网或者外部网络的接入情况。
边缘计算系统级的管理实体负责对边缘计算系统进行全局掌控。
目前，在欧洲电信标准化协会(ETSI，European Telecommunications Standards Institute)移动边缘计算协议中描述了多种触发边缘计算应用迁移的方式，这些方式都依赖于边缘计算编排器的集中处理，由边缘计算编排器进行判决处理。但是，对于服务提供商来说，将应用信息或用户信息暴露给边缘计算编排器，就意味着更多的不可控，不安全。
发明内容
本公开实施例提供了一种边缘计算应用迁移的方法和装置，能够提高安全性。
本公开实施例提供了一种边缘计算应用迁移的方法，包括：
第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；
所述第一边缘计算应用根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。
本公开实施例提出了一种边缘计算应用迁移的方法，包括：
边缘计算平台管理器接收第一消息，所述第一消息携带应用实例信息；边缘计算平台管理器根据所述应用实例信息在边缘计算主机进行应用实例化操作。
本公开实施例提出了一种边缘计算应用迁移的方法，包括：
第一边缘计算主机的第一边缘计算应用接收到第二边缘计算主机的第二边缘计算应用的第一消息，第一消息携带用户上下文信息。
本公开实施例提出了一种边缘计算应用迁移的方法，包括：
边缘计算编排器接收第一边缘计算主机发送的第一消息，所述第一消息携带用户信息；
边缘计算编排器根据用户信息向边缘计算平台管理器发送第二消息，所述第二消息包含应用实例信息。
本公开实施例提出了一种边缘计算应用迁移的装置，包括：
边缘计算平台，设置为向第一边缘计算应用发送第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；
第一边缘计算应用，设置为接收第一边缘计算主机的边缘计算平台发送的第一消息；向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。
本公开实施例提出了一种边缘计算应用迁移的装置，包括：
接收模块，设置为接收第一消息，所述第一消息携带应用实例信息；
实例化模块，设置为根据所述应用实例信息在边缘计算主机进行边缘计算应用化操作。
本公开实施例提出了一种边缘计算应用迁移的装置，包括：
第一边缘计算应用，设置为接收到第二边缘计算主机的第二边缘计算应用的第一消息，第一消息携带用户上下文信息。
本公开实施例提出了一种边缘计算应用迁移的装置，包括：
接收模块，设置为接收第一边缘计算主机发送的第一消息，所述第一消息携带用户信息；
发送模块，设置为向边缘计算平台管理器发送第二消息，所述第二消息携带应用实例信息。
本公开实施例提出了一种边缘计算应用迁移的装置，包括处理器和计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令被所述处理器执行时，实现上述 任一种边缘计算应用迁移的方法。
本公开实施例提出了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现上述任一种边缘计算应用迁移的方法的步骤。
本公开实施例提出了一种边缘计算应用迁移的系统，包括：第一边缘计算主机和第二边缘计算主机；
其中，第一边缘计算主机的第一边缘计算应用，设置为接收第一边缘计算主机的第一边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息；
第二边缘计算主机的第二边缘计算应用，设置为接收第一边缘计算应用的第二消息。
本公开实施例包括：第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；所述第一边缘计算应用根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。本公开实施例通过边缘计算主机的边缘计算应用发起边缘计算应用的迁移，在边缘计算主机的边缘计算平台之间直接透传用户上下文信息，从而不会将用户上下文信息暴露给边缘计算平台和边缘计算编排器，提高了用户上下文信息的安全性。
本公开实施例的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本公开实施例而了解。本公开实施例的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本公开实施例技术方案的进一步理解，并且构成说明书的一部分，与本公开实施例的实施例一起用于解释本公开实施例的技术方案，并不构成对本公开实施例技术方案的限制。
图1为边缘计算的基本框架示意图；
图2为本公开实施例提供的一种边缘计算系统示意图；
图3为本公开实施例边缘计算的架构示意图；
图4为本公开实施例边缘计算主机的结构组成示意图；
图5为本公开实施例进行边缘计算应用迁移的示意图；
图6为本公开一个实施例提出的边缘计算应用迁移的方法的流程图；
图7A为本公开实施例获取第二边缘计算的边缘计算应用信息的方法的流程图一；
图7B为本公开实施例获取第二边缘计算的边缘计算应用信息的方法的流程图二；
图8为本公开另一个实施例提出的边缘计算应用迁移的方法的流程图；
图9为本公开另一个实施例提出的边缘计算应用迁移的方法的流程图；
图10为本公开另一个实施例提出的边缘计算应用迁移的方法的流程图；
图11为本公开实施例边缘计算应用迁移的方法示例1的流程图；
图12为本公开实施例边缘计算应用迁移的方法示例2的流程图；
图13为本公开实施例边缘计算应用迁移的方法示例3的流程图；
图14为本公开另一个实施例提出的边缘计算应用迁移的装置的结构组成示意图；
图15为本公开另一个实施例提出的边缘计算应用迁移的系统的结构组成示意图。
具体实施方式
下文中将结合附图对本公开实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行。并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
本公开实施例中第一、第二仅用于区分不同的消息或执行主体，并不设置为限定具体的先后顺序。
图2为本公开实施例提供的一种边缘计算系统示意图。如图2所示，该系统包括基站2、至少一个用户设备(UE，User Equipment)3，边缘计算主机1，核心网4和互联网5。其中，基站2可以通过一根或多根基站天线与每个用户设备3进行无线通信。每个基站2可以在各自地理区域内提供通信覆盖。在一些实施例中，基站2也被称为基站收发机、无线基站、接入点、无线收发机、节点B，演进型节点B(eNodeB或简称eNB)、5G基站gNB、家庭节点B，家庭演进型节点B或者某种其它适当的术语。在第三代合作伙伴计划(3GPP，3 rdGeneration Partnership Project)中“小区(cell)”可以用于描述一个基站、一个载波、与基站关联的部分载波或者是载波/基站的覆盖区域(例如扇区等)，需要根据上下文来确定，因此本公开各实施例中，在不引起歧义或混淆的情况下，基站和小区的概念并不明确区分，并且可能存在混用的情况，本领域技术人员可以根据上下文来确定其具体含义。
UE 3散布在整个无线通信系统中，并且每个UE可以是固定的或移动的。UE 3还可以被本领域技术人员称为移动站、用户站、移动单元、用户单元、无线单元、远程单元、移动设备、无线设备、无线通信设备、远程设备、移动用户站、接入终端、移动终端、无线终端、远程终端、手持设备、用户代理、移动客户端、客户端、或者某种其它适当的术语。UE3可以是蜂窝电话、个人数字助理(PDA，Personal Digital Assistant)、无线调制解调器、无线通信设备、手持设备、平板计算机、无绳电话、无线本地环路(WLL，Wireless Local Loop)站、物联网终端等等。此外，在本公开各实施例中，在不引起歧义或混淆的情况下，用户和用户设备的概念并不明确区分，并且可能存在混用的情况，本领域技术人员可以根据上下文来确定其具体含义。
边缘计算应用也称为边缘计算应用实例或移动边缘应用或雾计算应用或微云应用等。
边缘计算主机1，也可以称为边缘计算服务器或移动边缘计算主机或移动边缘计算服务器或雾计算服务器或微云服务器，可以被部署在网络的多个位置，例如可以位于基站侧、3G无线网络控制器(RNC，Radio Network Controller)侧、多无线接入技术(multi-RAN，multi-radio access technology)蜂窝汇聚点侧或者核心网边缘等等。图2示出的仅仅是其中一种部署方式，本领域技术人员可以知晓本公开实施例可以也适用于其他部署方式。在图2示出的部署方式中基站2-a由边缘计算主机1-a提供边缘计算服务，基站2-b由边缘计算主机1-b提供边缘计算服务。边缘计算主机1-a和边缘计算主机1-b通过核心网4连接到互联网5中。
当UE3从边缘计算主机提供的服务范围移动到另一个边缘计算主机提供的服务范围内时，为了给用户提供更好的服务，可能需要将移动边缘主机上提供服务的边缘计算应用迁移。如图5所示，UE3先附着在基站2-a上，由边缘计算主机1-a提供边缘计算应用服务。当UE3从基站2-a覆盖范围移动到基站2-b的覆盖范围时需要将为UE3提供边缘计算应用服务从边缘计算主机1-a迁移到边缘计算主机1-b上。UE3的上下文信息需要从边缘计算主机1-a迁移到边缘计算主机1-b上。
ETSI MEC工作组定义了边缘计算的架构，如图3所示。图中，Mp表示和边缘计算应用相关的参考点，Mm表示和管理相关的参考点，Mx表示和外部实体相关的参考点。
在该架构中，如图4所示，边缘计算主机包括：边缘计算应用、边缘计算平台、虚拟化基础设施。
在一些实施例中，边缘计算主机还可以包括边缘计算平台管理器。
在另一些实施例中，边缘计算平台管理器也可以是在边缘计算主机之外的独立的网元。
其中，虚拟化的基础设施为边缘计算应用提供计算、存储和网络资源，虚拟化的基础设施包括一个数据平面，该数据平面用于为从边缘计算平台收到的数据执行转发规则。
边缘计算应用在虚拟化的基础架构上运行，并且能够和边缘计算平台进行交互、消费和提供移动边缘服务。
边缘计算平台从边缘计算平台管理器、边缘计算应用或移动边缘服务处接收转发规则，并基于转发规则相数据平面下发指令。边缘计算平台还支持本地域名系统(DNS，Domain Name System)代理服务器的配置，可以将数据流量重定向到对应的应用和服务，还可以通过Mp3参考点与其他的边缘计算平台进行通信，在分布式MEC系统的协作机制中，Mp3参考点可以作为不同边缘计算平台互联的基础。
移动边缘编排器(MEO，Mobile edge orchestrator)，也称为边缘计算编排器或雾计算编排器或微云编排器，是边缘计算系统级管理的核心功能，掌握移动边缘系统的全景，进行应用程序包的加载，选择合适边缘计算主机进行应用实例化，应用搬迁等。
边缘计算平台管理器，也称为移动边缘平台管理器、雾计算平台管理器或微云平台管 理器或其他等同概念，管理应用程序生命周期(包括通知移动边缘编排器应用相关的事件)，为边缘计算平台提供元素管理功能，管理边缘计算应用规则和请求。
如图5所示，UE3的上下文信息需要从边缘计算主机1-a迁移到边缘计算主机1-b上，可以是从边缘计算主机1-a的边缘计算应用11-a迁移到边缘计算主机1-b的边缘计算应用11-b上，这样UE3的上下文信息不需要通过边缘计算编排器，也就不需要将应用信息或者用户信息暴露给边缘计算编排器，保证的信息的安全。
参见图6，本公开实施例提出的一种边缘计算应用迁移的方法，包括：
步骤100、边缘计算主机1-a的边缘计算应用11-a接收边缘计算主机1-a的边缘计算平台12-a发送的第一消息，第一消息包含边缘计算主机1-b的边缘计算应用信息。
在本实施例中，第一消息可以是响应消息，如应用实例迁移响应消息、边缘计算应用响应消息或其他响应消息。
在另一个实施例中，第一消息还可以是请求消息，如用户上下文迁移触发请求消息，用户状态迁移触发请求消息或其他请求消息。
第一消息中不包括用户上下文信息，仅仅是用于触发用户上下文信息迁移操作。
步骤101、边缘计算应用11-a根据边缘计算主机1-b的边缘计算应用信息向边缘计算主机1-b的边缘计算应用11-b发送第二消息；其中，第二消息携带用户上下文信息。
在本实施例中，第二消息可以是用户上下文迁移请求。
在实施例中，示例性而言，边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送第二消息，边缘计算主机1-a的移动边平台12-a通过Mp3接口向边缘计算主机1-b的边缘计算平台12-b发送第二消息，边缘计算主机1-b的边缘计算平台12-b向边缘计算主机1-b的边缘计算应用11-b发送第二消息；也就是说，该第二消息对于边缘计算平台来说是透明的，边缘计算平台无需知道该第二消息中包含的信息是什么，从而提高了用户上下文信息的安全性。
或者，边缘计算主机1-a的边缘计算平台12-a根据边缘计算主机1-b的边缘计算应用信息向边缘计算主机1-b的边缘计算平台12-b发送第二消息。
在另一个实施例中，第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息之前，该方法还包括：
边缘计算主机1-a的边缘计算应用11-a向边缘计算平台12-a发送第三消息，第三消息携带用户信息。
其中，用户信息包括以下至少之一：用户的位置信息、标识用户的应用信息。
其中，标识用户的应用信息包括以下任意一个：
应用描述标识、安装包标识、其他可以映射成应用描述标识或安装包标识的信息(如边缘计算应用标识)。
其中，位置信息通过UE所属的小区标识(比如演进型—通用移动通信系统陆地无线接入网(E-UTRAN，Evolved Universal Terrestrial Radio Access Network)小区全局标识符 (ECGI，E-UTRAN Cell Global Identifier)或新一代小区识别码(NCGI，NR(New Radio)Cell Global Identifier))进行标识；或者，通过UE当前的位置坐标进行标识。
其中，边缘计算主机1-a的边缘计算应用11-a可以在确定用户不在所述边缘计算主机1-a的服务范围内时；或者在需要做切换时，如当前边缘计算主机的服务质量较差；或者其他原因，向边缘计算平台发送第三消息，例如，第三消息可以是请求消息(如应用实例迁移请求、边缘计算应用请求消息或其他请求消息)。
在移动网络中，比如在4G或5G网络中，当用户设备(UE，User Equipment)从小区A所服务的区域移动到小区B所服务的区域，在满足某些条件的情况下，会发生切换，即UE会将附着关系从小区A换到小区B。在这种情况下，边缘计算主机1-a中提供服务的边缘计算应用11-a会基于边缘计算主机1-a的边缘计算平台12-a提供的服务获知UE3已经离开边缘计算主机1-a的服务范围。
边缘计算主机1-a的边缘计算平台12-a提供的服务包括无线网络信息服务和位置服务。通过无线网络服务提供的无线网络信息可以知道UE的小区切换事件，通过位置服务提供的位置信息可以知道UE的位置变化。
在另一个实施例中，第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息之前，该方法还包括：
边缘计算主机1-a向边缘计算编排器6发送第四消息；第四消息包括用户信息。其中，第四消息可以是请求消息，示例性而言，第四消息可以是应用迁移请求消息、或边缘计算应用请求消息、或其他请求消息。更详细的描述，边缘计算主机1-a向边缘计算编排器6发送第四消息是边缘计算主机1-a的边缘计算平台12-a通过边缘计算平台管理器13-a向边缘计算编排器6发送第四消息。其他部分描述边缘计算主机向边缘计算编排器发送消息，都是指边缘计算主机的边缘计算平台通过边缘计算平台管理器向边缘计算编排器发送该消息。
需要说明的是，边缘计算主机1-a的边缘计算应用11-a可以在向边缘计算平台12-a发送第三消息后，向边缘计算编排器6发送第四消息；
或者，边缘计算平台12-a直接向边缘计算编排器6发送第四消息。
在另一个实施例中，第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息之前，该方法还包括：
边缘计算主机1-a接收边缘计算编排器6发送的第五消息；其中，第五消息包括边缘计算主机1-b的边缘计算应用信息。
其中，第五消息可以是响应消息，示例性而言，第五消息可以是应用迁移响应消息、或边缘计算应用响应消息、或其他响应消息。
更详细的描述，边缘计算主机1-a接收边缘计算编排器6发送的第五消息是边缘计算主机1-a的边缘计算平台12-a通过边缘计算平台管理器13-a接收边缘计算编排器6发送的第五消息。其他部分描述边缘计算主机接收边缘计算编排器发送的消息，都是指边缘计 算主机的边缘计算平台通过边缘计算平台管理器接收边缘计算编排器发送的该消息。
在本实施例中，边缘计算平台12-a可以根据用户信息从自身存储的信息中获取边缘计算主机1-b的边缘计算应用信息；或者，向其他网元(如边缘计算编排器6)请求获取边缘计算主机1-b的边缘计算应用信息。
边缘计算平台12-a订阅周边边缘计算主机的边缘计算应用信息，当周边边缘计算主机的边缘计算应用信息变化，都会收到周边边缘计算主机发送的通知消息。
当边缘计算平台12-a根据用户信息从自身存储的信息中获取边缘计算主机1-b的边缘计算应用信息时，参见图7A，边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送第三消息；边缘计算主机1-a的边缘计算应用11-a接收到边缘计算主机1-a的边缘计算平台12-a的第一消息；其中，第一消息包括边缘计算主机1-b的边缘计算应用信息。
当边缘计算平台12-a向其他网元(如边缘计算编排器6)请求获取边缘计算主机1-b的边缘计算应用信息时，参见图7B，边缘计算主机1-a的边缘计算应用11-a向所述边缘计算主机1-a的边缘计算平台12-a发送第三消息，边缘计算主机1-a的边缘计算平台12-a向所述边缘计算编排器6发送第四消息；边缘计算主机1-a的边缘计算平台12-a接收到边缘计算编排器6的第五消息，向边缘计算主机1-a的边缘计算应用11-a发送第一消息；其中，第一消息包括边缘计算主机1-b的边缘计算应用信息。
在实施例中，边缘计算编排器6收到第四消息后，根据用户信息向边缘计算平台管理器13-b发送应用实例化请求，边缘计算平台管理器13-b触发在边缘计算主机1-b上进行应用实例化操作，并在边缘计算主机1-b上的应用实例化操作完成后，边缘计算编排器6通过边缘计算平台管理器13-a向边缘计算主机1-a发送第五消息。
在实施例中，边缘计算主机1-a的边缘计算平台12-a通过Mp1接口向边缘计算主机1-a的边缘计算应用11-a发送第一消息，在边缘计算主机1-a的边缘计算平台12-a通过Mp1接口向边缘计算主机1-a的边缘计算应用11-a发送的第一消息中需要包含边缘计算主机1-b的边缘计算应用信息。
在本公开实施例中，第二边缘计算主机1-b的边缘计算应用信息包括以下至少之一：边缘计算主机1-b的地址信息、边缘计算主机1-b的边缘计算应用11-b使用的端口信息、边缘计算主机1-b的边缘计算应用标识信息。
其中，边缘计算主机1-b的地址信息通过互联网协议(IP，Internet Protocol)地址、或媒体访问控制(MAC，Media Access Control)地址、或隧道标识进行标识。
在另一个实施例中，第一消息或第五消息还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息。
可选的，边缘计算应用11-a根据边缘计算主机1-b的边缘计算应用信息向边缘计算主机1-b的边缘计算应用11-b发送第二消息后，该方法还包括：
步骤102、边缘计算应用11-a接收到边缘计算主机1-b的边缘计算应用11-b的第六 消息。
本实例中，第六消息可以是用户上下文迁移响应。
在实施例中，示例性而言，边缘计算主机1-b的边缘计算应用11-b向边缘计算主机1-b的边缘计算平台12-b发送第六消息，边缘计算主机1-b的移动边平台12-b通过Mp3接口向边缘计算主机1-a的边缘计算平台12-a发送第六消息，边缘计算主机1-a的边缘计算平台12-a向边缘计算主机1-a的边缘计算应用11-a发送第六消息。
在另一个实施例中，边缘计算应用11-a根据边缘计算主机1-b的边缘计算应用信息向边缘计算主机1-b的边缘计算应用11-b发送第二消息后，该方法还包括：所述边缘计算主机1-a终止边缘计算主机1-a的边缘计算应用11-a。
在另一个实施例中，该方法还包括：
边缘计算主机1-a的边缘计算应用11-a接收到边缘计算主机1-b的边缘计算应用11-b的第六消息后，该方法还包括：
边缘计算主机1-a的边缘计算应用11-a接收到边缘计算主机1-a的边缘计算平台12-a发送的第七消息。
其中，第七消息可以是响应消息，示例性而言，第七消息可以是用户上下文迁移触发响应消息。
在另一个实施例中，第一消息或第五消息还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息；
所述方法包括以下至少之一：
边缘计算主机1-a在所述最小时延信息指示的时间后发送第三消息；
边缘计算主机1-a在所述有效期信息指示的时间内接收到第六消息。
也就是说，边缘计算主机1-a在发起用户上下文信息同步操作的最小时延信息指示的时间之后发起用户上下文信息同步操作，并且在用户上下文信息同步操作有效期信息指示的时间内完成用户上下文信息同步操作。
本公开实施例通过边缘计算主机1-a的边缘计算应用11-a发起边缘计算应用的迁移，通过边缘计算主机1-a的边缘计算应用11-a发起用户上下文迁移，边缘计算主机的边缘计算平台之间直接透传用户上下文信息，从而不会将用户上下文信息暴露给边缘计算平台和边缘计算编排器，提高了用户上下文信息的安全性。
参见图8，本公开另一个实施例提出了一种边缘计算应用迁移的方法，包括：
步骤200、边缘计算平台管理器13-b接收第一消息，所述第一消息携带应用实例信息。
本实施例中，第一消息可以是实例化操作请求。
本实施例中，应用实例信息至少包含包括以下至少之一：应用标识、安装包标识、安装包描述标识。
步骤201、边缘计算平台管理器13-b根据所述应用实例信息在边缘计算主机1-b进行 应用实例化操作。
在另一个实施例中，边缘计算平台管理器13-b根据所述应用实例信息在边缘计算主机1-b进行应用实例化操作后，该方法还包括：
边缘计算平台管理器13-b向边缘计算编排器6发送第二消息；所述第二消息包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息、边缘计算主机1-b的边缘计算应用信息。
在本实施例中，第二消息可以是应用实例化响应。
参见图9，本公开另一个实施例提出了一种边缘计算应用迁移的方法，包括：
步骤300、边缘计算主机1-b的边缘计算应用11-b接收到边缘计算主机1-a的边缘计算应用11-a的第一消息，第一消息携带用户上下文信息。示例性而言，边缘计算应用11-b通过边缘计算平台12-b接收第一消息。
在本实施例中，第一消息可以是用户上下文迁移请求。
在另一个实施例中，该方法还包括：
步骤301、边缘计算主机1-b的边缘计算应用11-b向边缘计算主机1-a的边缘计算应用11-a发送第二消息。示例性而言，边缘计算应用11-b通过边缘计算平台12-b发送第二消息。
在本实施例中，第二消息可以是用户上下文迁移响应。
参见图10，本公开另一个实施例提出了一种边缘计算应用迁移的方法，包括：
步骤400、边缘计算编排器6接收边缘计算主机1-a发送的第一消息，所述第一消息携带用户信息。
本实施例中，第一消息可以是请求消息，如应用实例迁移请求、边缘计算应用请求消息或其他请求消息。
步骤401、边缘计算编排器6根据用户信息向边缘计算平台管理器13-b发送第二消息，第二消息包括应用实例信息。
在本实施例中，应用实例信息包括以下至少之一：应用标识、安装包标识、安装包描述标识。
在本实施例中，边缘计算编排器6根据用户信息确定边缘计算主机1-b，向边缘计算平台管理器13-b发送第二消息。其中，第二消息可以是应用实例化请求。
在另一个实施例中，边缘计算编排器6根据用户信息向边缘计算平台管理器13-b发送第二消息后，该方法还包括，边缘计算编排器6接收边缘计算平台管理器13-b发送的第三消息，向边缘计算主机1-a发送第四消息。
其中，第三消息可以是应用实例化响应。
第四消息可以是响应消息。
下面通过具体示例说明本公开实施例的实现边缘计算应用迁移的方法的具体实现。
示例1
在移动网络中，比如在4G或5G网络中，当UE从小区A所服务的区域移动到小区B所服务的区域，在满足某些条件的情况下，会发生切换，即UE会将附着关系从小区A换到小区B。边缘计算应用A收到的信息可能是基于边缘计算主机提供的服务，比如在ETSI MEC中，边缘计算平台提供了几个基本服务，其中包括无线网络信息服务和位置服务。通过无线网络信息可以知道UE的小区切换事件，通过位置服务可以知道UE的位置变化。边缘计算应用A通过边缘计算平台提供的服务，知道UE已经离开当前边缘计算主机服务的范围。边缘计算应用A可能就会触发边缘计算应用的迁移操作，操作包括以下步骤，如图11所示：
步骤600、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送请求消息。
本步骤中，请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请求消息。
请求消息中包括用户信息。
其中，用户信息包括以下至少之一：用户的位置信息，标识所述用户的应用信息。
其中，位置信息通过UE所属的小区标识(如ECGI或NCGI)进行标识、或者UE所属的小区IP地址、或者UE的IP地址、或者UE的地理位置进行标识；
标识所述用户的应用信息，比如应用描述标识，或安装包标识，或者其他可以映射成应用描述标识或安装包标识的信息。
步骤601、边缘计算主机1-a的边缘计算平台12-a向边缘计算平台管理器13-a发送请求消息，边缘计算平台管理器13-a向边缘计算编排器6发送请求消息。
本步骤中，请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请求消息。
请求消息中包括用户信息。
其中，用户信息包括以下至少之一：用户的位置信息，标识所述用户的应用信息。
其中，位置信息通过UE所属的小区标识(如ECGI或NCGI)、或者UE所属的小区IP地址、或者UE的IP地址、或者UE的地理位置进行标识。
请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请求消息。
步骤602、边缘计算编排器6根据用户信息确定边缘计算主机1-b，向边缘计算平台管理器13-b发送应用实例化请求，边缘计算平台管理器13-b触发在边缘计算主机上进行应用实例化操作。
本步骤中，应用实例化请求至少包括标识所述用户的应用信息。
步骤603、边缘计算主机1-b完成应用实例化操作后，边缘计算平台管理器13-b向边缘计算编排器6发送应用实例化响应。
本步骤中，应用实例化响应包括边缘计算主机1-b的边缘计算应用的信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操 作有效期信息。
步骤604、边缘计算编排器6向边缘计算平台管理器13-a的边缘计算平台12-a发送响应消息，边缘计算平台管理器13-a向边缘计算平台12-a发送响应消息。
本步骤中，响应消息，如应用实例迁移响应消息、边缘计算应用响应消息或其他响应消息。
响应消息包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息。
步骤605、边缘计算主机1-a的边缘计算平台12-a向边缘计算主机1-a的边缘计算应用11-a发送响应消息。
本步骤中，响应消息，如应用实例迁移响应消息、边缘计算应用响应消息或其他响应消息。
响应消息包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息。
步骤606、边缘计算主机1-a的边缘计算应用11-a在发起用户上下文信息同步操作的最小时延信息指示的时间后向边缘计算主机的边缘计算应用发送用户上下文迁移请求，用户上下文迁移请求包括用户的上下文信息。
如果在响应消息中没有指示发起用户上下文信息同步操作的最小时延信息，则边缘计算主机1-a发起用户上下文信息同步操作就没有实现限定。
本步骤中，边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-b的边缘计算应用11-b发送的用户上下文迁移请求包括的用户的上下文信息，对于边缘计算主机1-a的边缘计算平台12-a和边缘计算主机1-b的边缘计算平台12-b来说是透明的，边缘计算主机1-a的边缘计算平台12-a和边缘计算主机1-b的边缘计算平台12-b无需知道发送的内容是什么，从而提高了安全性。
步骤607、边缘计算主机1-b的边缘计算应用11-b向边缘计算主机1-a的边缘计算应用11-a发送用户上下文迁移响应，确认在用户上下文迁移请求中包括用户的上下文信息迁移成功。
步骤608、边缘计算主机1-a终止边缘计算主机1-a的边缘计算应用11-a。
示例2
在移动网络中，比如在4G或5G网络中，当UE从小区A所服务的区域移动到小区B所服务的区域，在满足某些条件的情况下，会发生切换，即UE会将附着关系从小区A换到小区B。边缘计算应用A收到的信息可能是基于边缘计算主机提供的服务，比如在ETSI MEC中，边缘计算平台提供了几个基本服务，其中包括无线网络信息服务和位置服务。通过无线网络信息可以知道UE的小区切换事件，通过位置服务可以知道UE的位置变化。边缘计算应用A通过边缘计算平台提供的服务，知道UE已经离开当前边缘计算主机服务的范围。边缘计算应用可能就会触发边缘计算应用的迁移操作，操作包括以下步 骤，如图12所示：
步骤700、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送请求消息。
本步骤中，请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请求消息。
请求消息中包括用户信息。
其中，用户信息包括以下至少之一：用户的位置信息，标识所述用户的应用信息。
其中，位置信息通过UE所属的小区标识(如ECGI或NCGI)进行标识、或者UE所属的小区IP地址、或者UE的IP地址、或者UE的地理位置进行标识；
标识所述用户的应用信息，比如应用描述标识或安装包标识或者其他可以映射成应用描述标识或安装包标识的信息。
步骤701、边缘计算主机1-a的边缘计算平台12-a向边缘计算平台管理器13-a发送请求消息，边缘计算平台管理器13-a向边缘计算编排器6发送请求消息。
本步骤中，请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请求消息。
请求消息中包括用户信息。
其中，用户信息包括以下至少之一：用户的位置信息，标识所述用户的应用信息。
其中，位置信息通过UE所属的小区标识(如ECGI或NCGI)、或者UE所属的小区IP地址、或者UE的IP地址、或者UE的地理位置进行标识；
标识所述用户的应用信息，比如应用描述标识或安装包标识或者其他可以映射成应用描述标识或安装包标识的信息。
步骤702、边缘计算编排器6根据用户信息确定边缘计算主机1-b，向边缘计算平台管理器13-b发送应用实例化请求，边缘计算平台管理器13-b触发在边缘计算主机上进行应用实例化操作。
本步骤中，边缘计算应用实例化请求至少包括标识用户的应用信息。
步骤703、边缘计算主机1-b完成应用实例化操作后，边缘计算平台管理器13-b向边缘计算编排器6发送应用实例化响应。
本步骤中，应用实例化响应包括边缘计算主机1-b的边缘计算应用的信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息。
步骤704、边缘计算编排器6向边缘计算平台管理器13-a的边缘计算平台12-a发送响应消息，边缘计算平台管理器13-a向边缘计算平台12-a发送响应消息。
本步骤中，响应消息，如应用实例迁移响应消息、边缘计算应用响应消息或其他响应消息。
响应消息包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：用 户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息；触发用户上下文的迁移操作。
步骤705、边缘计算主机1-a的边缘计算平台12-a向边缘计算主机1-a的边缘计算应用11-a发送响应消息，在这个响应消息中，只包含应用实例化成功的信息。
步骤706、边缘计算主机1-a的边缘计算平台12-a向边缘计算主机1-a的边缘计算应用11-a发送用户上下文迁移触发请求。
本步骤中，用户上下文迁移触发请求包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息。
步骤707、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-b的边缘计算应用11-b发送用户上下文迁移请求。
本步骤中，上下文迁移请求包括用户的上下文信息。
边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-b的边缘计算应用11-b发送的用户上下文迁移请求包括的用户的上下文信息，对于边缘计算主机1-a的边缘计算平台11和边缘计算主机1-b的边缘计算平台21来说是透明的，边缘计算主机1-a的边缘计算平台11和边缘计算主机1-b的边缘计算平台21无需知道发送的内容是什么，从而提高了安全性。
步骤708、边缘计算主机1-b的边缘计算应用11-b向边缘计算主机1-a的边缘计算应用11-a发送用户上下文迁移响应，确认在该上下文迁移请求中包括用户的上下文信息迁移成功。
步骤709、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送用户上下文迁移触发响应。
步骤710、边缘计算主机1-a终止边缘计算主机1-a的边缘计算应用11-a。
示例3
在移动网络中，比如在4G或5G网络中，当UE从小区A所服务的区域移动到小区B所服务的区域，在满足某些条件的情况下，会发生切换，即UE会将附着关系从小区A换到小区B。边缘计算应用A收到的信息可能是基于边缘计算主机提供的服务，比如在ETSI MEC中，边缘计算平台提供了几个基本服务，其中包括无线网络信息服务和位置服务。通过无线网络信息可以知道UE的小区切换事件，通过位置服务可以知道UE的位置变化。边缘计算应用A通过边缘计算平台提供的服务，知道UE已经离开当前边缘计算主机服务的范围。边缘计算主机协助边缘计算应用完成应用迁移，操作包括以下步骤，如图13所示：
步骤800、边缘计算主机1-a的边缘计算平台12-a向边缘计算平台管理器13-a发送请求消息，边缘计算平台管理器13-a向边缘计算编排器6发送请求消息。
本步骤中，请求消息可以是应用实例迁移请求、边缘计算应用迁移请求消息或其他请 求消息。
请求消息中包括用户信息。
其中，用户信息包括以下至少之一：用户的位置信息，标识所述用户的应用信息。
其中，位置信息通过UE所属的小区标识(如ECGI或NCGI)或者UE所属的小区IP地址进行标识；
标识所述用户的应用信息，比如应用描述标识，或安装包标识，或者其他可以映射成应用描述标识或安装包标识的信息。
步骤801、边缘计算编排器6根据用户信息确定边缘计算主机1-b，向边缘计算平台管理器13-b发送应用实例化请求，边缘计算平台管理器13-b触发在边缘计算主机上进行应用实例化操作。
本步骤中，应用实例化请求至少包括标识用户的应用信息。
步骤802、边缘计算主机1-b完成应用实例化操作后，边缘计算平台管理器13-b向边缘计算编排器6发送应用实例化响应。
本步骤中，应用实例化响应包括边缘计算主机1-b的边缘计算应用的信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息。
步骤803、边缘计算编排器6向边缘计算平台管理器13-a的边缘计算平台12-a发送响应消息，边缘计算平台管理器13-a向边缘计算平台12-a发送响应消息。
本步骤中，响应消息包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息；触发用户上下文的迁移操作。
步骤804、边缘计算主机1-a的边缘计算平台12-a向边缘计算主机1-a的边缘计算应用11-a发送用户上下文迁移触发请求。
本步骤中，用户上下文迁移触发请求包括边缘计算主机1-b的边缘计算应用信息，可能还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作有效期信息；触发用户上下文的迁移操作。
步骤805、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-b的边缘计算应用11-b发送用户上下文迁移请求。
本步骤中，上下文迁移请求包括用户的上下文信息。
边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-b的边缘计算应用11-b发送的用户上下文迁移请求包括的用户的上下文信息，对于边缘计算主机1-a的边缘计算平台12-a和边缘计算主机1-b的边缘计算平台12-b来说是透明的，边缘计算主机1-a的边缘计算平台12-a和边缘计算主机1-b的边缘计算平台12-b无需知道发送的内容是什么，从而提高了安全性。
步骤806、边缘计算主机1-b的边缘计算应用11-b向边缘计算主机1-a的边缘计算应 用11-a发送用户上下文迁移响应，确认在该上下文迁移请求中包括用户的上下文信息迁移成功。
步骤807、边缘计算主机1-a的边缘计算应用11-a向边缘计算主机1-a的边缘计算平台12-a发送用户上下文迁移触发响应。
步骤808、边缘计算主机1-a终止边缘计算主机1-a的边缘计算应用11-a。
参见图14，本公开另一个实施例提出了一种实现边缘计算应用迁移的装置(如边缘计算主机1-a)，包括：
边缘计算平台12-a，设置为向边缘计算应用11-a发送第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；
边缘计算应用11-a，设置为接收边缘计算主机1-a的边缘计算平台12-a发送的第一消息；向边缘计算主机1-b的边缘计算应用11-b发送第二消息；其中，所述第二消息携带用户上下文信息。
在本公开另一个实施例中，边缘计算平台12-a还设置为：
终止所述边缘计算主机1-a的边缘计算应用11-a。
在本公开另一个实施例中，边缘计算应用11-a还设置为：
向边缘计算主机1-a的边缘计算平台12-a发送第三消息，所述第三消息携带用户信息。
在本公开另一个实施例中，边缘计算应用11-a还设置为：
接收到边缘计算平台12-a的第六消息。
本公开另一个实施例提出了一种实现边缘计算应用迁移的装置(如边缘计算平台管理器13-b)，包括：
接收模块，设置为接收第一消息，所述第一消息携带应用实例信息；
实例化模块，设置为根据所述应用实例信息在边缘计算主机进行边缘计算应用化操作。
在本公开另一个实施例中，还包括：
发送模块，设置为发送第二消息；所述第二消息包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息、第一边缘计算主机的边缘计算应用信息。
本公开另一个实施例提出了一种实现边缘计算应用迁移的装置(如边缘计算主机1-b)，包括：
边缘计算应用11-b，设置为接收到边缘计算主机1-a的边缘计算应用11-a的第一消息，第一消息携带用户上下文信息。
在另一个实施例中，边缘计算应用11-b还设置为：
向边缘计算应用11-a发送第二消息。
本公开另一个实施例提出了一种实现边缘计算应用迁移的装置(如边缘计算编排器 6)，包括：
接收模块，设置为接收第一边缘计算主机发送的第一消息，所述第一消息携带用户信息；
发送模块，设置为向第二边缘计算主机发送第二消息，第二消息包含应用实例信息。
本公开另一个实施例提出了一种边缘计算应用迁移的装置，包括处理器和计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令被所述处理器执行时，实现上述任一种边缘计算应用迁移的方法。
本公开另一个实施例提出了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现上述任一种边缘计算应用迁移的方法的步骤。
计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。
参见图15，本公开另一个实施例提出了一种边缘计算应用迁移的系统，包括：边缘计算主机1-a和边缘计算主机1-b；
其中，边缘计算主机1-a的边缘计算应用11-a，设置为接收边缘计算主机1-a的边缘计算平台12-a发送的第一消息，所述第一消息包含边缘计算主机1-b的边缘计算应用信息；根据边缘计算主机1-b的边缘计算应用信息向边缘计算主机1-b的边缘计算应用11-b发送第二消息；其中，所述第二消息携带用户上下文信息；
边缘计算主机1-b的边缘计算应用11-b，设置为接收边缘计算应用11-a的第二消息。
在本公开另一个实施例中，边缘计算主机1-a的边缘计算平台12-a还设置为：
终止边缘计算主机1-a的边缘计算应用11-a。
在本公开另一个实施例中，还包括：边缘计算编排器6和边缘计算平台管理器13-b；
所述边缘计算主机1-a的边缘计算平台12-a还设置为：
向边缘计算编排器6发送第三消息；所述第三消息包括所述用户信息；接收边缘计算编排器6的第四消息；其中，所述第四消息包括所述第二边缘计算主机的所述边缘计算应用信息；
所述边缘计算编排器6，设置为接收第三消息，向边缘计算平台管理器13-b发送第五消息，第五消息包含应用实例信息；接收边缘计算平台管理器13-b的第六消息，向边缘计算平台12-a发送第四消息；
边缘计算平台管理器13-b，设置为接收第五消息，触发在边缘计算主机1-b上进行应用的实例化操作，向边缘计算编排器6发送第六消息。
虽然本公开实施例所揭露的实施方式如上，但所述的内容仅为便于理解本公开实施例而采用的实施方式，并非用以限定本公开实施例。任何本公开实施例所属领域内的技术人员，在不脱离本公开实施例所揭露的精神和范围的前提下，可以在实施的形式及细节上进行任何的修改与变化，但本公开实施例的专利保护范围，仍须以所附的权利要求书所界定 的范围为准。
工业实用性
本公开实施例通过边缘计算主机1-a的边缘计算应用11-a发起边缘计算应用的迁移，通过边缘计算主机1-a的边缘计算应用11-a发起用户上下文迁移，边缘计算主机的边缘计算平台之间直接透传用户上下文信息，从而不会将用户上下文信息暴露给边缘计算平台和边缘计算编排器，提高了用户上下文信息的安全性。

Claims (23)

  1. 一种边缘计算应用迁移的方法，包括：
    第一边缘计算主机的第一边缘计算应用接收第一边缘计算主机的边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；
    所述第一边缘计算应用根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。
  2. 根据权利要求1所述的方法，其中，还包括：
    所述第一边缘计算应用向所述第一边缘计算主机的边缘计算平台发送第三消息，所述第三消息携带用户信息。
  3. 根据权利要求1所述的方法，其中，还包括：
    所述第一边缘计算主机向边缘计算编排器发送第四消息；所述第四消息包括所述用户信息。
  4. 根据权利要求1所述的方法，其中，还包括：
    所述第一边缘计算主机接收所述边缘计算编排器发送的第五消息；其中，所述第五消息包括所述第二边缘计算主机的所述边缘计算应用信息。
  5. 根据权利要求1或4所述的方法，其中，所述第一消息或第五消息还包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息。
  6. 根据权利要求2或4所述的方法，其中，所述用户信息包括以下至少之一：
    所述用户的位置信息，标识所述用户的应用信息。
  7. 根据权利要求1所述的方法，其中，该方法还包括：
    所述第一边缘计算应用接收到所述第一边缘计算平台的第六消息。
  8. 根据权利要求1所述的方法，其中，所述第二边缘计算主机的边缘计算应用信息包括以下至少之一：
    所述第二边缘计算主机的地址信息、所述第二边缘计算主机边缘计算应用使用的端口信息、所述第二边缘计算主机的边缘计算应用标识信息。
  9. 一种边缘计算应用迁移的方法，包括：
    边缘计算平台管理器接收第一消息，所述第一消息携带应用实例信息；边缘计算平台管理器根据所述应用实例信息在边缘计算主机进行应用实例化操作。
  10. 根据权利要求9所述的方法，其中，还包括：
    边缘计算平台管理器发送第二消息；所述第二消息包括以下至少之一：发起用户上下文信息同步操作的最小时延信息、用户上下文信息同步操作的有效期信息、第一边缘计算主机的边缘计算应用信息。
  11. 根据权利要求9所述的方法，其中，所述应用实例信息包含以下至少之一：应用标识、安装包标识、安装包描述标识。
  12. 一种边缘计算应用迁移的方法，包括：
    第一边缘计算主机的第一边缘计算应用接收到第二边缘计算主机的第二边缘计算应用的第一消息，第一消息携带用户上下文信息。
  13. 根据权利要求12所述的方法，其中，该方法还包括：
    所述第一边缘计算应用向所述第二边缘计算应用发送第二消息。
  14. 一种边缘计算应用迁移的方法，包括：
    边缘计算编排器接收第一边缘计算主机发送的第一消息，所述第一消息携带用户信息；
    边缘计算编排器根据用户信息向边缘计算平台管理器发送第二消息，所述第二消息包含应用实例信息。
  15. 根据权利要求14所述的方法，其中，还包括：
    所述边缘计算编排器接收所述边缘计算平台管理器发送的第三消息。
  16. 一种边缘计算应用迁移的装置，包括：
    边缘计算平台，设置为向第一边缘计算应用发送第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；
    第一边缘计算应用，设置为接收第一边缘计算主机的边缘计算平台发送的第一消息；向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息。
  17. 一种边缘计算应用迁移的装置，包括：
    接收模块，设置为接收第一消息，所述第一消息携带应用实例信息；
    实例化模块，设置为根据所述应用实例信息在边缘计算主机进行边缘计算应用化操作。
  18. 一种边缘计算应用迁移的装置，包括：
    第一边缘计算应用，设置为接收到第二边缘计算主机的第二边缘计算应用的第一消息，第一消息携带用户上下文信息。
  19. 一种边缘计算应用迁移的装置，包括：
    接收模块，设置为接收第一边缘计算主机发送的第一消息，所述第一消息携带用户信息；
    发送模块，设置为向边缘计算平台管理器发送第二消息，所述第二消息携带应用实例信息。
  20. 一种边缘计算应用迁移的装置，包括处理器和计算机可读存储介质，所述计算机可读存储介质中存储有指令，其中，当所述指令被所述处理器执行时，实现如权利要求1～15任一项所述的边缘计算应用迁移的方法。
  21. 一种计算机可读存储介质，其上存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求1～15任一项所述的边缘计算应用迁移的方法的步骤。
  22. 一种边缘计算应用迁移的系统，包括：第一边缘计算主机和第二边缘计算主机；
    其中，第一边缘计算主机的第一边缘计算应用，设置为接收第一边缘计算主机的第一边缘计算平台发送的第一消息，所述第一消息包含第二边缘计算主机的边缘计算应用信息；根据第二边缘计算主机的边缘计算应用信息向第二边缘计算主机的第二边缘计算应用发送第二消息；其中，所述第二消息携带用户上下文信息；
    第二边缘计算主机的第二边缘计算应用，设置为接收第一边缘计算应用的第二消息。
  23. 根据权利要求22所述的系统，其中，还包括边缘计算编排器和边缘计算平台管理器；
    所述第一边缘计算主机的第一边缘计算平台还设置为：
    向所述边缘计算编排器发送第三消息；所述第三消息包括所述用户信息；接收边缘计算编排器的第四消息；其中，所述第四消息包括所述第二边缘计算主机的所述边缘计算应用信息；
    所述边缘计算编排器，设置为接收第三消息，向边缘计算平台管理器发送第五消息，第五消息包含应用实例信息；接收边缘计算平台管理器的第六消息，向所述第一边缘计算平台发送第四消息；
    边缘计算平台管理器，设置为接收第五消息，触发在第二边缘计算主机上进行应用的实例化操作，向所述边缘计算编排器发送第六消息。
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