CN112445582A - Application migration method, device and system and computer readable storage medium - Google Patents
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Abstract
The disclosure relates to an application migration method, device and system, and a computer readable storage medium. The application migration method comprises the following steps: the migration analyzer manages the information of the applications and the users in the active state on each mobile edge computing host; the migration analyzer customizes boundary measurement information based on wireless network information service for the active user; the migration analyzer judges whether the user moves across service areas or not in advance by analyzing and comparing the wireless network information service information of the active user in different boundary cells; and the migration analyzer triggers the mobile edge orchestrator to perform application migration under the condition that the user is predicted to move across service areas. The application migration is implemented in advance before the network path of the user accessing the application is changed, so that the user can directly access the migrated application after the network path of the user is changed. According to the method and the device, in the application migration process, the user service cannot be interrupted, and the user is completely unaware in the whole migration process.
Description
Technical Field
The present disclosure relates to the field of mobile communications, and in particular, to an application migration method, apparatus, and system, and a computer-readable storage medium.
Background
When a user moves, an application needs to be migrated on different MEC (Mobile Edge Computing) hosts, so that a localized service and a small service delay are ensured.
Disclosure of Invention
The inventor finds out through research that: migration of the edge application is performed by an MEO (mobile edge organizer), and the MEO generally senses a change of a user plane and then triggers migration of the application (starting an application instance on a new host and performing migration of an application state according to service characteristics as needed) (as in the embodiment of fig. 1), and at this time, an access path of a user already points to the new edge host, so that a service accessed by the user is interrupted, and user sensing is affected.
In view of at least one of the above technical problems, the present disclosure provides an application migration method, apparatus and system, and a computer-readable storage medium, in which user service is not interrupted during an application migration process, and a user is completely unaware during the entire migration process.
According to an aspect of the present disclosure, there is provided an application migration method including:
the migration analyzer manages the information of the applications and the users in the active state on each mobile edge computing host;
the migration analyzer customizes boundary measurement information based on wireless network information service for the active user;
the migration analyzer judges whether the user moves across service areas or not in advance by analyzing and comparing the wireless network information service information of the active user in different boundary cells;
and the migration analyzer triggers the mobile edge orchestrator to perform application migration under the condition that the user is predicted to move across service areas.
In some embodiments of the present disclosure, the migration analyzer managing information of applications and users in active states on mobile edge computing hosts includes:
the migration analyzer records context information for the application and the corresponding user, wherein the application registers the application and the corresponding user with the migration analyzer when the user accesses/logs in or logs out of the application.
In some embodiments of the present disclosure, the migration analyzer predicting whether the user will move across the service area by analyzing and comparing the boundary measurement information of the active user in different boundary cells includes:
the migration analyzer analyzes and compares the boundary measurement information of the active users in different boundary cells to determine comparison information;
the migration analyzer judges whether the comparison information reaches a preset threshold value;
and under the condition that the comparison information reaches a preset threshold value, the migration analyzer judges that the user moves across the service area and enters the service area of the target edge host.
In some embodiments of the present disclosure, in the event that it is determined that the user is to move across service areas and is to enter a service area of a target edge host, the triggering the mobile edge orchestrator to perform application migration includes:
the migration analyzer initiates an application instance migration request to the mobile edge orchestrator, wherein the application instance migration request comprises user information, information of all applications used by the user, and target edge host information that the user will enter.
In some embodiments of the present disclosure, the application migration method further comprises:
the migration analyzer judges whether the absolute value of the difference between the comparison information and a preset threshold is smaller than a preset difference;
and the migration analyzer instructs the wireless network information service module of the mobile edge computing host to shorten the predetermined period for reporting the boundary measurement information under the condition that the absolute value of the difference between the comparison information and the predetermined threshold is smaller than the predetermined difference (namely, is close to the threshold).
In some embodiments of the present disclosure, the application migration method further comprises:
the migration analyzer calculates the corresponding service area of the host according to different mobile edges in advance, and sets the border cells of the service area and the adjacency relation between the service areas;
and the migration analyzer customizes the boundary measurement information based on the wireless network information service according to the boundary cells of the service area and the adjacency relation between the service areas.
In some embodiments of the present disclosure, the application migration method further comprises:
and the wireless network information service module of the mobile edge computing host reports the boundary measurement information based on the wireless network information service to the migration analyzer according to a preset period.
In some embodiments of the present disclosure, the application migration method further comprises:
and reporting the boundary measurement information based on the wireless network information service to the migration analyzer by a wireless network information service module of the mobile edge computing host under the condition of reaching a preset trigger condition.
According to another aspect of the present disclosure, there is provided a migration analyzer including:
the user information management module is used for managing the information of the applications and the users in the active state on each mobile edge computing host;
the boundary information customizing module is used for setting an active user to customize boundary measurement information based on the wireless network information service according to the service area and the adjacency relation;
the judging module is used for judging whether the user moves across service areas or not in advance by analyzing and comparing the wireless network information service information of the active user in different boundary cells;
and the triggering module is used for triggering the mobile edge orchestrator to perform application migration under the condition that the user is predicted to move across service areas.
In some embodiments of the present disclosure, the migration analyzer is configured to perform operations for implementing the application migration method according to any of the above embodiments.
According to another aspect of the present disclosure, there is provided a migration analyzer including:
a memory to store instructions;
a processor configured to execute the instructions to cause the apparatus to perform operations to implement the application migration method according to any of the embodiments.
According to another aspect of the present disclosure, a mobile edge orchestrator is provided, where the mobile edge orchestrator is configured to perform application migration after receiving an application migration request sent by a migration analyzer, where the migration analyzer manages information of applications and users in an active state on each mobile edge computing host, customizes boundary measurement information based on a wireless network information service for active state users, compares wireless network information service information of active state users in different boundary cells by analysis, and predicts whether a user will move across service areas or not, and sends the application migration request to the mobile edge orchestrator in a case where it is predicted that the user will move across service areas.
According to another aspect of the present disclosure, a mobile edge computing host is provided, where the mobile edge computing host is configured to report information of an application and a user in an active state to a migration analyzer, so that the migration analyzer customizes boundary measurement information based on a wireless network information service for the active state user, and by analyzing and comparing wireless network information service information of the active state user in different boundary cells, it is predicted whether the user will move across service areas, and in a case that the predicted user will move across service areas, a mobile edge orchestrator is triggered to perform application migration.
In some embodiments of the present disclosure, the mobile edge computing host comprises:
the wireless network information service module is used for reporting boundary measurement information based on the wireless network information service to the migration analyzer according to a preset period; and/or reporting the boundary measurement information based on the wireless network information service to a migration analyzer under the condition that a preset trigger condition is reached.
According to another aspect of the present disclosure, there is provided an application migration system, including the migration analyzer according to any of the above embodiments, the mobile edge orchestrator according to any of the above embodiments, and the mobile edge computing host according to any of the above embodiments.
According to another aspect of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, which when executed by a processor, implement the application migration method according to any one of the above embodiments.
According to the method and the device, through comparison and analysis of the wireless network information service measurement data, application migration is implemented in advance before a user accesses a network path of the application to change, so that the user can directly access the migrated application after the network path of the user changes.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a diagram of some embodiments of a related art application migration method.
FIG. 2 is a schematic diagram of some embodiments of application migration systems of the present disclosure.
Fig. 3 is a schematic diagram of some embodiments of an application migration method of the present disclosure.
FIG. 4 is a schematic illustration of another embodiment of the present disclosure employing a migration method.
FIG. 5 is a schematic illustration of yet further embodiments of the application migration method of the present disclosure.
FIG. 6 is a schematic diagram of some embodiments of a migration analyzer of the present disclosure.
FIG. 7 is a schematic diagram of further embodiments of a migration analyzer of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The inventor finds out through research that: migration of edge applications is performed by MEOs. FIG. 1 is a diagram of some embodiments of a related art application migration method. As shown in the embodiment of fig. 1, generally, after sensing a user plane change, the MEO triggers application migration (migration of an application instance or application state on a new host), and at this time, an access path of a user already points to a new edge host, so that a service accessed by the user is interrupted, which affects user perception. As shown in fig. 1, AMF is Access and Mobility Management Function, Access and Mobility Management module; the gNB is a 5G base station; SMF is Session Management Function module; AS is Application Server, Application Server; PSA is PDU Session Anchor, PDU Session Anchor, wherein, PDU is Protocol Data Unit, Protocol Data Unit.
The inventor also finds out through research that: for some special applications (such as car networking), some methods for predicting the user movement track and triggering application migration in advance are provided in the related technology, the algorithms not only need to build a movement track database of the terminal in advance according to the industrial features of the application, but also are often highly coupled with the application, and the algorithms adopted by different applications are large in difference and are not suitable for serving as general services.
In view of at least one of the above technical problems, the present disclosure provides an application migration method, apparatus and system, and a computer-readable storage medium, which are described below by way of specific embodiments.
FIG. 2 is a schematic diagram of some embodiments of application migration systems of the present disclosure. As shown in fig. 2, the application migration system of the present disclosure may include a migration analyzer 21, a mobile edge orchestrator 22, and a mobile edge computing host 23, wherein:
the migration analyzer 21 is configured to set a border cell of the service area and an adjacency relation between the service areas at the MEO according to the design of the service areas of the different mobile edge computing hosts 23 of the MEC, and customize a border Information service (that is, only report a wireless measurement report of a specified user in the border area) based on an RNIS (Radio Network Information Services) on the MEC platform according to the border adjacency relation.
In some embodiments of the present disclosure, moving the edge orchestrator 22, as shown in fig. 2, may also be used to maintain a full view of the MEC; selecting a suitable host for instantiation of an application; triggering the loading, instantiation, termination and other operations of the MEC application, implementing the migration management of the MEC application instance and the like.
A migration analyzer 21, configured to manage information of applications and users in an active state on each mobile edge computing host 23, further customize an RNIS information for the active user, and predict a new edge host service area to which the user may move in advance by comparing and analyzing measurement signals of the active user in different border cells; when the comparison signal reaches a certain threshold, triggering MEO22 to forward a new instance on the target host of the adjacent service area and making application state transition.
In some embodiments of the present disclosure, as shown in fig. 2, the migration analyzer 21 may be connected to a 5GC (5G core network), and customize a path of a user access application by issuing a route impact policy to the 5 GC.
In some embodiments of the present disclosure, as shown in fig. 2, the MEC application is an application running on the virtualized infrastructure of the MEC host.
In some embodiments of the present disclosure, as shown in fig. 2, the mobile edge computing host 23 may include an RNIS module (wireless network information services module), wherein:
and the RNIS module is used for providing wireless network information service, the service is basic network service on the MEC platform and provides base station cell level and user level information, and the user level information comprises wireless bearing information, a wireless measurement report, an air interface rate and the like.
In some embodiments of the present disclosure, the wireless network information service module may be further configured to report, to the migration analyzer, boundary measurement information of the user based on the wireless network information service according to a predetermined period; and/or reporting the boundary measurement information based on the wireless network information service to a migration analyzer under the condition that a preset trigger condition is reached.
In some embodiments of the present disclosure, the RNIS is generally available directly from the gNB, and the invention is not limited.
In some embodiments of the present disclosure, the RNIS module may be disposed on an MEP (mobile edge platform) of the mobile edge computing host 23.
Based on the application migration system provided by the embodiment of the disclosure, the migration analyzer is introduced into the MEC system level, and the customized RNIS boundary information service is combined to prejudge the movement of the user among different MEC service areas and trigger the MEO to perform application migration in advance, so that the service continuity is ensured to the maximum extent.
Fig. 3 is a schematic diagram of some embodiments of an application migration method of the present disclosure. Preferably, this embodiment may be performed by a migration analyzer of the present disclosure. The method comprises the following steps:
In some embodiments of the present disclosure, step 31 may comprise: the migration analyzer records the online and offline information of the application and the corresponding user, wherein the application registers the application and the corresponding user when the user logs in or exits the application.
In some embodiments of the present disclosure, step 33 may comprise:
step 331, the migration analyzer analyzes and compares the boundary measurement information of the active user in different boundary cells to determine the comparison information.
In step 332, the migration analyzer determines whether the comparison information reaches a predetermined threshold.
In step 333, the migration analyzer determines that the user will move across the service area and enter the service area of the target edge host when the comparison information reaches a predetermined threshold.
In some embodiments of the present disclosure, in the case that it is determined that the user will move across the service area and will enter the service area of the target edge host, the step of triggering the mobile edge orchestrator to perform application migration in step 34 may include: the migration analyzer initiates an application instance migration request to the mobile edge orchestrator, wherein the application instance migration request comprises user information, information of all applications used by the user, and target edge host information that the user will enter.
In some embodiments of the present disclosure, the application migration method may further include: the migration analyzer judges whether the absolute value of the difference between the comparison information and a preset threshold is smaller than a preset difference; and the migration analyzer instructs a wireless network information service module of the mobile edge computing host to shorten a predetermined period for reporting the boundary measurement information under the condition that the absolute value of the difference between the comparison information and the predetermined threshold is smaller than a predetermined difference.
In some embodiments of the present disclosure, the application migration method may further include: the migration analyzer calculates the corresponding service area of the host according to different mobile edges in advance, and sets the border cells of the service area and the adjacency relation between the service areas; the mobile edge orchestrator customizes the wireless network information service-based border measurement information according to the border cells of the service area and the adjacency relation between the service areas.
In some embodiments of the present disclosure, the application migration method may further include: and the wireless network information service module of the mobile edge computing host reports the boundary measurement information based on the wireless network information service to the migration analyzer according to a preset period.
In some embodiments of the present disclosure, the application migration method may further include: and reporting the boundary measurement information based on the wireless network information service to the migration analyzer by a wireless network information service module of the mobile edge computing host under the condition of reaching a preset trigger condition.
The application migration method provided by the embodiment of the disclosure is an MEC application adjacent service interval migration method, and by introducing a migration analyzer in an MEC system level and combining with customized RNIS boundary information service, movement of a user between different MEC service areas is pre-judged, and an MEO is triggered to perform application migration in advance, so that service continuity is guaranteed to the maximum extent.
FIG. 4 is a schematic illustration of another embodiment of the present disclosure employing a migration method. Preferably, the present embodiment may be performed by the application migration system of the present disclosure. The method comprises the following steps:
When the user accesses/logs in or out of the application, the application registers its user with the migration analyzer, step 42. And the migration analyzer records the online and offline information of the application and the user thereof.
In some embodiments of the present disclosure, the reporting of the RNIS information is set to two dimensions of periodic reporting and conditional triggering (reaching a threshold value) reporting. When the migration analyzer finds that the comparison information is close to the threshold value, the reporting frequency of the RNIS service can be adjusted and improved, and more accurate triggering time is ensured.
And step 44, the MEO performs application migration in advance according to the migration request of the migration analyzer, if the new edge host has an existing application instance, the migration will only be the migration of the application state of the user, otherwise, the migration also includes an instantiation operation of the application on the new host.
Aiming at the problems that application migration is caused when a user with edge calculation moves across service areas and service interruption is caused in the migration process, the embodiment of the disclosure provides a method for migrating an MEC application adjacent service interval, a migration analysis service function (migration analyzer) is introduced into a system level of an MEC system, and the function records the application and the user online and offline information of the application; and customizing the RNIS information for the active users, predicting the user movement and timely triggering application migration.
Compared with the related technology of the embodiment of fig. 1, the user plane change information triggers migration (the MEO subscribes the user plane change information, and starts application migration after obtaining the user plane change information), the embodiment of the present disclosure implements migration of an application in advance before a network path where a user accesses the application changes through comparison and analysis of RNIS measurement data, the user can directly access the migrated application after the network path changes, and the user is completely unaware in the whole process.
Compared with the related technology (application tight coupling, complex algorithm and large difference) of user movement track prediction at the application level, the RNIS measurement data analysis method of the embodiment of the disclosure references the mobility management mechanism of the mobile network, the decision mechanism of the RNIS measurement data analysis method is highly consistent with the network path switching or reselection of the user access application, the universality is strong, and the prediction accuracy is high.
In addition, the above-described embodiments of the present disclosure provide other additional advantages:
first, the migration analysis service is used as the MEC system level function in the above embodiments of the present disclosure, which is helpful for overall realization of unified management of applications and users on each host.
Secondly, the migration analyzer of the embodiment of the disclosure records the application and the user information, is helpful for associating the user dimension with the content charging of the application dimension, and effectively solves the problem that the MEC platform only provides the application dimension charging and cannot realize the user dimension charging.
FIG. 5 is a schematic illustration of yet further embodiments of the application migration method of the present disclosure. Preferably, the present embodiment may be performed by the application migration system of the present disclosure.
Fig. 5 also presents a schematic view of some embodiments of the application migration system of the present disclosure. As shown in fig. 5, the application migration system of the present disclosure may include a migration analyzer, a Mobile Edge Orchestrator (MEO), a mobile edge computing host 1, a mobile edge computing host 2, an RNIS module, a UE (user equipment), a NEF (Network Exposure Function), and a PCF (Policy Control Function).
The application migration method of the embodiment of fig. 5 may include the following steps:
step 1, as a preset condition, the migration analyzer sets boundary cells between edge host service areas and adjacency relations between the boundary cells according to the topological relation of the MEC network, and customizes the information and reporting conditions of the RNIS service according to the relations.
Step 2, the user is first in the service area of the host 1. The user initiates an access request to an application (APP1) on host 1.
Step 3, host 1APP1 receives the user request and registers service information (including application information and user information) with the migration analyzer.
And 4, the migration analyzer finds that the user does not customize the RNIS service, and initiates a request for customizing the RNIS service for the user to the RNIS service.
Step 5, the user accesses another application on host 1 (APP 2).
Step 6, host 1APP2 receives the user request and also registers service information (including application information and user information) with the migration analyzer, which finds that the user has subscribed to the RNIS service, so that no further subscription request is initiated to the RNIS service.
And 7, reporting the RNIS information of the user to the migration analyzer by the RNIS service according to the customized trigger condition.
And 7', reporting the RNIS information (the final value reaches a threshold value) in the RNIS service period.
And 8, judging that the user moves across the hosts and enters the service area of the target edge host by the migration analyzer according to the threshold information, and then initiating an application instance migration request to the MEO, wherein the application instance migration request comprises user information, information of all applications used by the user and the target edge host to be entered.
Step 9, the MEO performs application migration from the host 1 to the target host (host 2) according to the request information (if no application instance exists on the host 2, instantiation of the application is performed on the host 2, otherwise, only state migration is performed).
Step 10, the user actually enters the service area of the host 2, the network performs switching and establishes a new user plane access path, and the user can directly access the application on the host 2 through the new access path.
Step 11, the application on the host 2 receives the access request of the user, registers the application and the user information to the migration analyzer, and continues to normally serve the user, and the user does not sense the user in the whole process.
The embodiment of the present disclosure customizes the RNIS information according to the network topology; the above embodiments of the present disclosure customize the RNIS information for active users. The above-described embodiments of the present disclosure provide a migration analyzer and its functionality and interface requirements. The migration analyzer of the embodiment of the present disclosure compares the RNIS information with pre-determined users moving across service intervals and triggers MEOs to implement application migration, and implements application migration in advance before a network path where a user accesses an application changes, so that a user can directly access the migrated application after the network path changes.
FIG. 6 is a schematic diagram of some embodiments of a migration analyzer of the present disclosure. As shown in fig. 6, the migration analyzer (e.g., the migration analyzer of the embodiment of fig. 2 or fig. 5) of the present disclosure may include a user information management module 61, a boundary information customization module 62, a judgment module 63, and a trigger module 64, where:
and the user information management module 61 is used for managing the information of the applications and the users in the active state on each mobile edge computing host.
And a boundary information customizing module 62, configured to set an active user according to the service area and the adjacency relation, to customize boundary measurement information based on the wireless network information service.
And the judging module 63 is configured to pre-judge whether the user will move across service areas by analyzing and comparing the wireless network information service information of the active user in different border cells.
And the triggering module 64 is configured to trigger the moving edge orchestrator to perform application migration when it is predicted that the user will move across service areas.
In some embodiments of the present disclosure, the migration analyzer is configured to perform operations for implementing the application migration method according to any of the embodiments (any of fig. 2-5) described above.
In some embodiments of the present disclosure, the migration analyzer may be further configured to calculate, in advance, corresponding service areas of the hosts according to different mobile edges, and set a border cell of the service area and an adjacency relationship between the service areas; and customizing the boundary measurement information based on the wireless network information service according to the boundary cells of the service area and the adjacency relation between the service areas.
The migration analyzer introduced at the MEC system level is used for predicting the movement of a user between different MEC service areas by combining customized RNIS boundary information service and triggering the MEO to perform application migration in advance, so that the service continuity is guaranteed to the maximum extent.
FIG. 7 is a schematic diagram of further embodiments of a migration analyzer of the present disclosure. As shown in fig. 7, a migration analyzer of the present disclosure (e.g., the migration analyzer of the fig. 2 or fig. 5 embodiment) may include a memory 71 and a processor 72, wherein:
a memory 71 for storing instructions; the topological relations of the MEC network (i.e. border cells between edge host service areas and adjacency relations between them) are preserved.
A processor 72 configured to execute the instructions to enable the apparatus to perform operations for implementing the application migration method according to any of the embodiments (any of fig. 2-5) described above.
The migration analysis service is used as the MEC system level function, and the unified management of the application and the user on each host is facilitated to be realized comprehensively.
The migration analyzer of the embodiment of the disclosure records the application and the user information, is beneficial to content charging of associated user dimension and application dimension, and effectively solves the problem that the MEC platform only provides application dimension charging and cannot realize user dimension charging.
According to another aspect of the present disclosure, a mobile edge orchestrator (e.g., the mobile edge orchestrator in the embodiment of fig. 2 or fig. 5) is provided, where the mobile edge orchestrator is configured to perform application migration after receiving an application migration request sent by a migration analyzer, where the migration analyzer manages information of applications and users in an active state on each mobile edge computing host, customizes boundary measurement information based on a wireless network information service for the active state user, predicts whether the user will move across service areas by analyzing and comparing wireless network information service information of the active state user in different boundary cells, and sends the application migration request to the mobile edge orchestrator in a case where the user is predicted to move across service areas.
Based on the mobile edge orchestrator provided by the embodiments of the present disclosure, based on the comparison analysis and triggering of the measurement data of the migration analyzer RNIS, the migration of the application is implemented in advance before the network path of the user accessing the application changes, and the user can directly access the migrated application after the network path changes, thereby ensuring the service continuity to the maximum extent and ensuring that the user is completely unaware in the whole process.
According to another aspect of the present disclosure, a mobile edge computing host (for example, the mobile edge computing host in the embodiment of fig. 2 or fig. 5) is provided, where the mobile edge computing host is configured to report information of an application and a user in an active state to a migration analyzer, so that the migration analyzer customizes boundary measurement information based on a wireless network information service for the active user, and by analyzing and comparing wireless network information service information of the active user in different boundary cells, it is predicted whether the user will move across service areas, and in a case that the predicted user will move across service areas, a mobile edge orchestrator is triggered to perform application migration.
In some embodiments of the present disclosure, as shown in fig. 2, the mobile edge computing host may include an application module, wherein:
and the application module is used for reporting the information of the application and the user in the active state to the migration analyzer.
In some embodiments of the present disclosure, as shown in fig. 2, the mobile edge computing host may comprise a radio network information service module RNIS, wherein:
the wireless network information service module is used for reporting boundary measurement information based on the wireless network information service to the migration analyzer according to a preset period; and/or reporting the boundary measurement information based on the wireless network information service to a migration analyzer under the condition that a preset trigger condition is reached.
Based on the mobile edge computing host provided by the embodiment of the disclosure, the information of the application and the user in the active state and the boundary measurement information of the wireless network information service are reported to the migration analyzer, so that the migration analyzer performs the migration of the application in advance before the network path of the user accessing the application changes based on the comparison analysis of the RNIS measurement data, and the user can directly access the migrated application after the network path of the user changes, thereby ensuring the service continuity to the maximum extent and ensuring that the user is completely unaware in the whole process.
According to another aspect of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, which when executed by a processor, implement the application migration method according to any of the above embodiments (any of fig. 2-5).
Based on the computer readable storage medium provided by the above embodiment of the present disclosure, the movement of the user between different MEC service areas is pre-determined in combination with the customized RNIS boundary information service, and the MEO is triggered to perform application migration in advance, thereby maximally ensuring the service continuity.
The migration analysis service is used as the MEC system level function, and the unified management of the application and the user on each host is facilitated to be realized comprehensively.
The migration analyzer of the embodiment of the disclosure records the application and the user information, is beneficial to content charging of associated user dimension and application dimension, and effectively solves the problem that the MEC platform only provides application dimension charging and cannot realize user dimension charging.
The migration analyzer, moving edge orchestrator, and moving edge computing host described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic devices, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware to implement the above embodiments, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disk, or the like.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (15)
1. An application migration method, comprising:
the migration analyzer manages the information of the applications and the users in the active state on each mobile edge computing host;
the migration analyzer customizes boundary measurement information based on wireless network information service for the active user;
the migration analyzer judges whether the user moves across service areas or not in advance by analyzing and comparing the wireless network information service information of the active user in different boundary cells;
and the migration analyzer triggers the mobile edge orchestrator to perform application migration under the condition that the user is predicted to move across service areas.
2. The method of claim 1, wherein the migration analyzer managing information of the active applications and users on each mobile edge computing host comprises:
the migration analyzer records context information of the application and the corresponding user, wherein the application registers the application and the corresponding user when the user accesses or exits the application.
3. The application migration method according to claim 1 or 2, wherein the migration analyzer predicts whether the user will move across the service area by analyzing and comparing the boundary measurement information of the active user in different boundary cells, including:
the migration analyzer analyzes and compares the boundary measurement information of the active users in different boundary cells to determine comparison information;
the migration analyzer judges whether the comparison information reaches a preset threshold value;
and under the condition that the comparison information reaches a preset threshold value, the migration analyzer judges that the user moves across the service area and enters the service area of the target edge host.
4. The application migration method according to claim 3,
in a case where it is determined that the user is to move across service areas and is to enter a service area of a target edge host, the triggering the mobile edge orchestrator to perform application migration includes:
the migration analyzer initiates an application instance migration request to the mobile edge orchestrator, wherein the application instance migration request comprises user information, information of all applications used by the user, and target edge host information that the user will enter.
5. The application migration method according to claim 3, further comprising:
the migration analyzer judges whether the absolute value of the difference between the comparison information and a preset threshold is smaller than a preset difference;
and the migration analyzer instructs a wireless network information service module of the mobile edge computing host to shorten a predetermined period for reporting the boundary measurement information under the condition that the absolute value of the difference between the comparison information and the predetermined threshold is smaller than a predetermined difference.
6. The application migration method according to claim 1 or 2, further comprising:
the migration analyzer calculates the corresponding service area of the host according to different mobile edges in advance, and sets the border cells of the service area and the adjacency relation between the service areas;
and the migration analyzer customizes the boundary measurement information based on the wireless network information service according to the boundary cells of the service area and the adjacency relation between the service areas.
7. The application migration method according to claim 1 or 2, further comprising:
a wireless network information service module of the mobile edge computing host reports boundary measurement information based on wireless network information service to a migration analyzer according to a preset period;
and/or the presence of a gas in the gas,
and reporting the boundary measurement information based on the wireless network information service to the migration analyzer by a wireless network information service module of the mobile edge computing host under the condition of reaching a preset trigger condition.
8. A migration analyzer, comprising:
the user information management module is used for managing the information of the applications and the users in the active state on each mobile edge computing host;
the boundary information customizing module is used for customizing boundary measurement information based on wireless network information service for the active users;
the judging module is used for judging whether the user moves across service areas or not in advance by analyzing and comparing the wireless network information service information of the active user in different boundary cells;
and the triggering module is used for triggering the mobile edge orchestrator to perform application migration under the condition that the user is predicted to move across service areas.
9. The migration analyzer of claim 8, wherein the migration analyzer is configured to perform operations to implement the application migration method of any of claims 1-6.
10. A migration analyzer, comprising:
a memory to store instructions;
a processor configured to execute the instructions to cause the apparatus to perform operations to implement the application migration method of any of claims 1-6.
11. A moving edge organizer,
the mobile edge orchestrator is used for carrying out application migration after receiving an application migration request sent by the migration analyzer, wherein the migration analyzer manages information of applications and users in an active state on each mobile edge computing host, customizes boundary measurement information based on wireless network information service for the active state users, pre-judges whether the users will move across service areas or not by analyzing and comparing wireless network information service information of the active state users in different boundary cells, and sends the application migration request to the mobile edge orchestrator under the condition that the users are pre-judged to move across service areas.
12. A mobile edge computing host, comprising,
the mobile edge calculation host is used for reporting information of the applications and the users in the active state to the migration analyzer so that the migration analyzer can customize boundary measurement information based on wireless network information services for the active state users, pre-judges whether the users will move across service areas or not by analyzing and comparing the information of the wireless network information services of the active state users in different boundary cells, and triggers the mobile edge orchestrator to perform application migration under the condition that the pre-judged users will move across service areas.
13. The mobile edge computing host of claim 12, comprising:
the wireless network information service module is used for reporting boundary measurement information of the user based on the wireless network information service to the migration analyzer according to a preset period; and/or reporting the boundary measurement information based on the wireless network information service to a migration analyzer under the condition that a preset trigger condition is reached.
14. An application migration system comprising a migration analyzer according to any of claims 8-10, a mobile edge orchestrator according to claim 11, and a mobile edge computing host according to claim 12 or 13.
15. A computer-readable storage medium storing computer instructions which, when executed by a processor, implement the application migration method of any one of claims 1-7.
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