CN117692980A - Service migration method, device, equipment and storage medium of space-sky network - Google Patents

Service migration method, device, equipment and storage medium of space-sky network Download PDF

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Publication number
CN117692980A
CN117692980A CN202211072504.5A CN202211072504A CN117692980A CN 117692980 A CN117692980 A CN 117692980A CN 202211072504 A CN202211072504 A CN 202211072504A CN 117692980 A CN117692980 A CN 117692980A
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China
Prior art keywords
migration
service
network element
information
network
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CN202211072504.5A
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Chinese (zh)
Inventor
梅承力
夏旭
聂衡
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Priority to CN202211072504.5A priority Critical patent/CN117692980A/en
Priority to PCT/CN2023/107154 priority patent/WO2024045914A1/en
Publication of CN117692980A publication Critical patent/CN117692980A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/18Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/06Airborne or Satellite Networks

Abstract

The disclosure provides a service migration method, a device, electronic equipment and a computer readable storage medium of an air-ground network, and relates to the technical field of wireless communication and terminals. The method comprises the following steps: acquiring orbit planning information, carrying out simulation measurement and calculation on satellites according to the orbit planning information, generating a migration trigger condition table, and when service migration is triggered according to orbit position information or orbit time information contained in current orbit information and the migration trigger condition table, sending a service migration request carrying migration data amount information to a migration network element by a service network element, and carrying out data migration after determining migration times, migration time, migration data amount of each time and other information by the migration network element according to the migration data amount information and the state information of the migration network element. The embodiment of the disclosure can ensure the normal use of the user service when the air-to-ground network element moves at a high speed.

Description

Service migration method, device, equipment and storage medium of space-sky network
Technical Field
The disclosure relates to the technical field of wireless communication and terminals, and in particular relates to a service migration method, device, electronic equipment and computer readable storage medium of an aerospace network.
Background
The space-earth integrated network is a key technology of a future 6G network, and the star on a network element is a key feature. Under the space-earth scene, the network element is in an orbit moving state after staring, and the problem of high-speed movement of the network element is faced, so that the network element cannot continuously provide service for a specific area due to the movement of the network element, and the user service is interrupted. For example, the network element on satellite 1 provides service for the user in service area a, the network element on satellite 2 provides service for the user in service area B, and after a period of time, both network elements of satellites 1 and 2 can no longer provide service for the users in service areas a and B due to the orbital movement of the satellites.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The present disclosure provides a service migration method, apparatus, electronic device, and computer readable storage medium for an air-ground network, which at least to some extent overcomes the problem of interruption of user service caused by high-speed movement of an air-ground network element in the related art.
Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.
According to one aspect of the present disclosure, there is provided a service migration method of an aerospace network, including:
the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table;
if yes, the service network element sends a service migration request to a target migration network element so that the target migration network element provides service, wherein the target migration network element is a migration network element capable of providing migration service.
In one embodiment of the present disclosure, further comprising:
acquiring orbit planning information, performing simulation measurement and calculation on satellites according to the orbit planning information, and generating the migration trigger condition table, wherein the migration trigger condition table comprises: migration time, migration location, time of migration target or satellite leaving service coverage area;
the current track information includes: track position information or track time information.
In one embodiment of the present disclosure, further comprising:
the service network element sends a service migration request to a migration network element, wherein the service migration request carries migration data volume information;
the migration network element judges whether the migration network element can provide migration service according to the migration data amount information and the state information of the migration network element, wherein the state information comprises: network element resource information, running state information or processing capability information;
If yes, the migration network element is judged to be the target migration network element, otherwise, the migration network element returns response information.
In one embodiment of the present disclosure, further comprising: the target migration network element determines migration information according to the migration data amount information and the state information of the target migration network element, wherein the migration information comprises: migration times, migration time, migration tracks and migration data amount of each time.
In one embodiment of the present disclosure, further comprising:
after data migration backup, the service network element and the target migration network element are confirmed interactively;
the target migration network element provides service for the user in the original service area, wherein the original service area is the service area of the service network element before data migration;
and the service network element deletes the data of the original service area user.
In one embodiment of the present disclosure, further comprising:
and during the data migration backup period, the service network element continuously provides service for the original service area user, and the target migration network element provides service for the original service area user, the service area user corresponding to the target migration network element and the original service area new user.
In one embodiment of the present disclosure, further comprising:
when the target migration network element determines that the migration times are multiple times, the target migration network element performs data migration according to the migration information;
the target migration network element migrates the data to one or more migration network elements.
In one embodiment of the present disclosure, the track planning information includes: satellite identification, network element capability identification, orbit parameters, service coverage area information or service coverage area orbit relation information; the track parameters include: ground speed, period or equatorial angle.
In one embodiment of the present disclosure, the service network element and the migration network element are space-earth network elements.
According to another aspect of the present disclosure, there is also provided a service migration apparatus of an aerospace network, including:
the migration triggering module is used for judging whether to trigger service migration or not according to the current track information and the migration triggering condition table by the service network element;
and the service migration module is used for sending a service migration request to the target migration network element by the service network element if the service migration module is used, so that the target migration network element provides services, wherein the target migration network element is a migration network element capable of providing migration services.
According to another aspect of the present disclosure, there is also provided an electronic apparatus including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the service migration method of the space-to-ground network of any one of the above via execution of the executable instructions.
According to another aspect of the present disclosure, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the service migration method of any one of the above-mentioned aerospace networks.
According to the service migration method, device, electronic equipment and computer readable storage medium of the space-earth network, track planning information is obtained, simulation measurement and calculation are carried out on satellites according to the track planning information, a migration trigger condition table is generated, when service migration is triggered according to track position information or track time information contained in current track information and the migration trigger condition table, a service network element sends a service migration request carrying migration data amount information to a migration network element, the migration network element carries out data migration after migration times, migration time, migration data amount of each time and other information are determined according to the migration data amount information and state information of the migration network element, and normal use of user service can be guaranteed when the space-earth network element moves at high speed.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
Fig. 1 shows a flowchart of a service migration method of an aerospace network in an embodiment of the disclosure;
fig. 2 is a flowchart illustrating a service migration negotiation method of an air-to-ground network in an embodiment of the present disclosure;
fig. 3 is a flowchart of a service migration terminating method of an air-to-ground network in an embodiment of the disclosure;
fig. 4 illustrates a schematic diagram of a service migration apparatus of an aerospace network in an embodiment of the disclosure;
fig. 5 is a schematic diagram illustrating a service migration process of an aerospace network according to an embodiment of the disclosure;
FIG. 6 illustrates a flow chart of a method of service migration for a further aerospace network in an embodiment of the disclosure;
Fig. 7 is a flowchart illustrating a service migration request method of an air-to-ground network in an embodiment of the present disclosure;
FIG. 8 is a flowchart illustrating a method for service migration negotiation for a further space-to-earth network in an embodiment of the present disclosure;
fig. 9 is a flowchart illustrating a service migration terminating method of still another space-to-earth network in an embodiment of the present disclosure;
FIG. 10 is a flowchart illustrating a method for service migration for a further aerospace network in accordance with an embodiment of the present disclosure; and
fig. 11 shows a block diagram of an electronic device in an embodiment of the disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.
The present exemplary embodiment will be described in detail below with reference to the accompanying drawings and examples.
Firstly, in the embodiment of the present disclosure, a service migration method for an air-to-ground network is provided, and the method may be executed by any electronic device having computing processing capability.
Fig. 1 shows a flowchart of a service migration method of an aerospace network in an embodiment of the disclosure, and as shown in fig. 1, the service migration method of an aerospace network provided in the embodiment of the disclosure includes the following steps:
and S102, the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table.
In one embodiment, orbit planning information is obtained, and a satellite is simulated and measured according to the orbit planning information to generate a migration trigger condition table.
In one embodiment, the track planning information includes, but is not limited to: satellite identification, network element capability identification, orbit parameters, service coverage area information or service coverage area orbit relation information.
In one embodiment, the migration trigger conditions table includes, but is not limited to: migration time, migration location, migration target, or time of satellite leaving service coverage area.
The migration time is the time for predicting the service to be migrated by simulating, measuring and calculating the satellite according to the orbit planning information.
The migration position is a position where the satellite is simulated, measured and predicted to require the migration service according to the orbit planning information.
It should be noted that the migration target is a network element that can provide a migration service.
In one embodiment, the current track information includes, but is not limited to: track position information or track time information.
In one embodiment, the track parameters include, but are not limited to: ground speed, period or equatorial angle.
In one embodiment, the current track position information or track time information is acquired, and when the information in the migration trigger condition table is satisfied, the migration service is triggered, for example, the current track position information is acquired, and when the current track position information is the migration position in the migration trigger condition table, the migration service is triggered.
And S104, if so, the service network element sends a service migration request to the target migration network element so that the target migration network element provides service, wherein the target migration network element is a migration network element capable of providing migration service.
In one embodiment, the serving network element and the migrating network element are space-time network elements.
For example, the satellite 1 service network element provides service for the service area a user terminal, and the satellite 2 service network element provides service for the service area B user terminal; in the migration, the satellite 1 service network element provides service for the user terminal of the service area A; with respect to satellite 1, satellite 2 service network elements become migration network elements while providing services for service areas a and B.
In the above embodiment, for the mobility of the network element track, the certainty of the track is utilized, and it is proposed to implement migration triggering by using the migration triggering condition table, and when the service network element is about to move out of the covered service area, interaction is performed with a subsequent target migration network element, so as to implement a mechanism that the target migration network element receives the service network element, thereby guaranteeing continuous access and service application of the user.
Fig. 2 shows a flowchart of a service migration negotiation method of an air-to-ground network in an embodiment of the present disclosure, and as shown in fig. 2, the service migration negotiation method of an air-to-ground network provided in the embodiment of the present disclosure includes the following steps:
s202, a service network element sends a service migration request to a migration network element, wherein the service migration request carries migration data volume information;
s204, the migration network element judges whether the migration network element can provide migration service according to the migration data amount information and the state information of the migration network element;
wherein the status information includes, but is not limited to: network element resource information, operational status information, or processing capability information.
S206, if yes, the migration network element determines that the migration network element is a target migration network element, otherwise, the migration network element returns response information.
In one embodiment, the migration network element judges whether the migration network element can provide the migration service according to the state information of the migration network element; when the migration network element can not provide the migration service, response information is returned, and the service network element requests other available migration network elements. When the migration network element can provide the migration service, the migration network element determines that the migration network element is a target migration network element.
S208, the target migration network element determines migration information according to the migration data amount information and the state information of the target migration network element.
Wherein the migration information includes: migration times, migration time, migration tracks and migration data amount of each time.
In one embodiment, judging whether the migration data amount exceeds a threshold, if not, negotiating to perform one migration; if yes, the negotiation is carried out for a plurality of times.
When the negotiation is performed once, it is necessary to determine the migration time and the migration data amount.
When the negotiation is performed for a plurality of times, the migration time, the migration data volume and the migration times need to be determined; the target migration network element performs data migration according to the migration information; the target migration network element may migrate the data to one or more migration network elements.
It should be noted that, one migration is suitable for the situation that the data size to be migrated of the serving network element is small, or the processing capacity of the migration unit is enough. The data quantity to be migrated of the service network element is large, or the current processing capacity of the migration network element is insufficient, the migration data is migrated to other satellites through the target migration network element until the processing capacity is recovered, the migration information is determined by the target migration network element according to the migration data quantity information and the state information of the target migration network element, the migration data can be efficiently processed, and the migration data is migrated to other network elements when the processing capacity is insufficient, so that the normal operation of the target migration network element can be ensured.
In one embodiment, during the data migration backup period, the service network element continues to provide services for the original service area user terminal, and the target migration network element provides services for the original service area user terminal, the service area user terminal corresponding to the target migration network element, and the original service area new user terminal.
For example, before migration, the satellite 1 service network element provides service for the service area a user terminal, the satellite 2 service network element provides service for the service area B user terminal, and during the data migration backup, the satellite 1 service network element provides service for the service area a user terminal; in contrast to satellite 1, satellite 2 serves the network element as the target migration network element, and simultaneously serves the user terminals in service area a and B and the new user terminal in service area a during the data backup.
In the above embodiment, the target migration network element has sufficient resources and good running state, responds to the migration request, judges that the migration data is smaller, can provide one-time migration, judges that the migration data is larger, can provide multiple times of migration, and reserves the time or the track position of the migration, thereby saving resources and realizing the mechanism of the target migration network element for adapting the service network element, and further realizing the continuous service of the user.
Fig. 3 shows a flowchart of a service migration terminating method of an air-to-ground network in an embodiment of the present disclosure, and as shown in fig. 3, the service migration terminating method of an air-to-ground network provided in the embodiment of the present disclosure includes the following steps:
S302, after data migration backup, the service network element and the target migration network element are confirmed interactively;
s304, the target migration network element provides service for the user terminal in the original service area, wherein the original service area is the service area of the service network element before data migration;
s306, the service network element deletes the data of the user terminal in the original service area.
For example, before migration, the satellite 1 service network element provides service for the service area a user terminal, and the satellite 2 service network element provides service for the service area B user terminal; after the data migration backup, the satellite 1 service network element does not provide service for the service area A user terminal any more, the satellite 2 service network element provides service for the service area A user terminal, and the satellite 1 service network element deletes relevant data of the service area A user terminal.
In the above embodiment, after the service network element and the target migration network element determine that the data migration backup is completed, the service network element deletes the user and the service data, and the service area user corresponding to the next service area provides the service by the migration network element, so that resources are saved and continuous access and service application of the user are ensured.
Based on the same inventive concept, the embodiments of the present disclosure also provide a service migration apparatus for an aerospace network, as in the following embodiments. Since the principle of solving the problem of the embodiment of the device is similar to that of the embodiment of the method, the implementation of the embodiment of the device can be referred to the implementation of the embodiment of the method, and the repetition is omitted.
Fig. 4 is a schematic diagram of a service migration apparatus of an aerospace network according to an embodiment of the disclosure, and as shown in fig. 4, the service migration apparatus 4 of the aerospace network includes: a migration triggering module 401 and a service migration module 402;
the migration triggering module 401, the service network element judges whether to trigger service migration according to the current track information and the migration triggering condition table;
and the service migration module 402, if yes, the service network element sends a service migration request to the target migration network element so that the target migration network element provides a service, wherein the target migration network element is a migration network element capable of providing a migration service.
In the above embodiment, the service network element provides services for the corresponding service area terminal, and according to the track position and the migration trigger table, the service migration is triggered, and the service network element initiates the service migration request, so that the target migration network element provides services, and continuous access and service application of the user are ensured.
Fig. 5 is a schematic diagram illustrating a service migration process of an air-to-ground network in the embodiment of the present disclosure, where, as shown in fig. 5, network elements on a satellite, that is, a satellite 1 service network element 501 and a satellite 2 service network element 502, run along a fixed orbit to provide services for a user terminal in a ground service area, and when the user terminal is far from a current service area and cannot provide services, perform service migration; the migration process includes three phases: before, during and after migration.
T 0 Time of day: before the corresponding migration, the satellite 1 service network element 501 provides service for the service area a user terminal 503, and the satellite 2 service network element 502 provides service for the service area B user terminal 504.
T 1 Time of day: in the corresponding migration, the satellite 1 service network element 501 provides services for the service area a user terminal 503; with respect to satellite 1, satellite 2 service element 502 becomes a migrating element while providing service to service areas a and B.
T 2 Time of day: after the corresponding migration, the satellite 1 service network element 501 no longer provides service to the service area a, and the satellite 2 service network element 502 provides service to the service area a user terminal 503.
In the embodiment, through service migration, the continuity of network element service under the condition of high-speed track is realized, and continuous access and service application of users are ensured.
Fig. 6 shows a flowchart of a service migration method of another space-to-earth network in an embodiment of the disclosure, corresponding to T 1 At this time, as shown in fig. 6, the service migration method of the air-space network provided in the embodiment of the present disclosure includes: migration request, migration negotiation, policy termination.
1. Migration request
S602, a service network element provides service for a user terminal in a corresponding service area;
s604, the service network element judges whether to trigger service migration according to the current track position information and the migration trigger condition table;
Determining a migration trigger condition table according to preset track planning information and simulation measurement and calculation;
s606, after the condition is met, the service network element initiates a service migration request to the migration network element.
2. Migration negotiation
S608, the migration network element judges whether migration service can be provided according to the state information of the migration network element.
In one embodiment, the status information includes, but is not limited to: network element resource information and running state information.
S610, when the migration network element can not provide the migration service, the service network element requests other available migration network elements;
s612, judging whether the migration data quantity exceeds a threshold when the migration network element can provide the migration service;
s614, if not, the service network element negotiates with the migration network element to carry out one-time migration;
and S616, if yes, the service network element negotiates with the migration network element to carry out multiple migration.
When the service migration is performed once according to the traffic volume of the service migration, the migration time and the migration data volume need to be determined.
When the service migration is performed for a plurality of times according to the traffic volume of the service migration, the migration time, the migration data volume, and the migration times need to be determined.
And S618, starting data migration, wherein the new user terminal is provided with service by the migration network element during the migration period.
And S620, after the data migration, the user terminal in the corresponding service area is provided with service by the migration network element.
In the above embodiment, aiming at the mobility of the network element track, the certainty of the track is utilized, and the realization of the migration trigger by using the migration trigger table is provided, and the continuity of the user access network service is ensured through the processes of request, negotiation and data migration in the migration process and the corresponding key information transmission.
Fig. 7 shows a flowchart of a service migration request method of an air-to-ground network in an embodiment of the disclosure, and as shown in fig. 7, the service migration request method of the air-to-ground network provided in the embodiment of the disclosure includes the following steps:
s702, a service network element provides service for a user terminal in a corresponding service area;
and S704, the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table, and determines the migration trigger condition table according to preset track planning information and simulation measurement and calculation.
In one embodiment, the current track information includes, but is not limited to: track position information or track time information.
S706, after the satellite reaches the migration triggering condition, a service network element on the satellite initiates a service migration request, carrying a migration data quantity indication.
As shown in the migration trigger condition table in table 1, the method for generating the migration trigger condition table comprises the following steps: the satellite orbit planning information comprises an ID of each satellite, a network element capacity identifier, an orbit identifier, orbit parameters, a service coverage area, a relation between the service coverage area and the orbit and the like; the track parameters comprise ground winding speed, period, equatorial included angle and the like; through simulation measurement and calculation, the simulation of the running track of each satellite is realized, whether the satellite leaves the service coverage area at each moment or not is measured, whether migration is needed, a suitable migration target is needed, and the like are calculated, and a migration trigger condition table of each satellite is generated. The migration trigger condition table may be a migration table based on both time of day and track location.
Table 1 migration trigger conditions table
Satellite Migration time or migration location Migration target 1 Migration target 2
Satellite ID0 Temporal data or spatial position Satellite ID1 Satellite ID2
It should be noted that, the preset orbit planning information may be obtained by pre-configuring the network management system on the satellite, the on-board network element, etc.
In the above embodiment, the service network element provides services for the corresponding service area terminal, and according to the track position and the migration trigger table, the service migration is triggered, and the service network element initiates the service migration request, so that the target migration network element provides services, and continuous access and service application of the user are ensured.
Fig. 8 shows a flowchart of a service migration negotiation method of an air-to-ground network in another embodiment of the disclosure, and as shown in fig. 8, the service migration negotiation method of an air-to-ground network provided in the embodiment of the disclosure includes the following steps:
s802, the migration network element judges whether migration service can be provided according to the state information of the migration network element.
In one embodiment, the status information includes, but is not limited to: network element resource information and running state information.
S804, if the migration network element can provide migration service, responding to the service network element; if the migration network element can not provide the migration service, responding to the service network element, and requesting other migration network elements;
s806, the serving network element and the migration network element may negotiate a migration policy; the migration network element obtains the migration data volume and judges whether the migration data exceeds a threshold;
s808, negotiating to perform one or more migration.
When the service migration is performed once according to the traffic volume of the service migration, the migration time and the migration data volume need to be determined.
When the service migration is performed for a plurality of times according to the traffic volume of the service migration, the migration time, the migration data volume, and the migration times need to be determined.
It should be noted that, one migration is suitable for the situation that the data size to be migrated of the serving network element is small, or the processing capacity of the migration unit is enough. The multiple migration is suitable for the situation that the data volume to be migrated of the service network element is large, or the current processing capacity of the migration network element is insufficient, and then the data is migrated to other satellites through the migration network element, and the processing capacity is recovered.
In the above embodiment, the target migration network element has sufficient resources and good running state, responds to the migration request, judges that the migration data is smaller, can provide one-time migration, judges that the migration data is larger, can provide multiple times of migration, and reserves the time or the track position of the migration, thereby saving resources and realizing the mechanism of the target migration network element for adapting the service network element, and further realizing the continuous service of the user.
Fig. 9 shows a flowchart of a service migration terminating method of another space-time network in an embodiment of the present disclosure, and as shown in fig. 9, the service migration terminating method of the space-time network provided in the embodiment of the present disclosure includes the following steps:
s902, a service network element initiates a data migration starting request to a migration network element, and the migration network element responds;
s904, the service network element and the migration network element carry out data migration according to the negotiation strategy, and the new user terminal in the service area is preferentially provided with service by the migration network element during the migration period;
s906, after data migration backup, the service network element and the migration network element are confirmed interactively; the service area user terminal is provided with service by the migration network element;
s908, the service network element deletes the corresponding user terminal or service data.
In the above embodiment, after the service network element and the target migration network element determine that the data migration backup is completed, the service network element deletes the user and the service data, and the service area user corresponding to the next service area provides the service by the migration network element, so that resources are saved and continuous access and service application of the user are ensured.
Fig. 10 shows a flowchart of a service migration method of another space-time network in an embodiment of the present disclosure, and as shown in fig. 10, the service migration method of the space-time network provided in the embodiment of the present disclosure includes the following steps:
s1002, judging whether to trigger service migration. The service network element provides service for the user terminal in the corresponding service area, and judges whether to trigger service migration according to the current track position or the current track time information and the migration trigger table.
S1004, service migration request. After the satellite reaches the migration triggering condition, a service network element on the satellite initiates a service migration request, carrying a migration data quantity indication.
S1006, judging whether to provide migration service. The migration network element responds to the migration request according to the self state information.
S1008, service migration response. And judging that the migration network element can bear the service and respond to the service network element.
S1010, judging whether the data quantity exceeds a threshold. The migration network element obtains the migration data volume and judges whether the threshold is exceeded.
S1012, the traffic is smaller, and one migration is negotiated.
S1014, data migration starts the request and response. The service network element initiates a data migration start request to the migration network element, and the migration network element responds.
S1016, data migration. The service network element and the migration network element perform data migration once according to the negotiation strategy, and the new user terminal in the service area is preferentially provided with service by the migration network element during the migration.
S1018, data migration is terminated. After the data is migrated and backed up, the service network element and the migration network element are confirmed interactively.
S1020, the new user terminal accesses the migration service unit.
In one embodiment, the user terminal may be a variety of electronic devices including, but not limited to, a smart phone, a tablet computer, a laptop portable computer, a desktop computer, and the like.
Alternatively, the clients of the applications installed in different user terminals are the same or clients of the same type of application based on different operating systems. The specific form of the application client may also be different based on the different terminal platforms, for example, the application client may be a mobile phone client, a PC client, etc.
Those skilled in the art will appreciate that the number of user terminals, migration network elements, and service network elements is merely illustrative, and that any number of user terminals, migration network elements, and service network elements may be provided as desired. The embodiments of the present disclosure are not limited in this regard.
In the above embodiment, for the mobility of the network element track, the certainty of the track is utilized, and it is proposed to implement migration triggering by using the migration triggering condition table, and when the service network element is about to move out of the covered service area, interaction is performed with a subsequent target migration network element, so as to implement a mechanism that the target migration network element receives the service network element, thereby guaranteeing continuous access and service application of the user.
Those skilled in the art will appreciate that the various aspects of the present disclosure may be implemented as a system, method, or program product. Accordingly, various aspects of the disclosure may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
An electronic device 1100 according to such an embodiment of the present disclosure is described below with reference to fig. 11. The electronic device 1100 shown in fig. 11 is merely an example and should not be construed as limiting the functionality and scope of use of the disclosed embodiments.
As shown in fig. 11, the electronic device 1100 is embodied in the form of a general purpose computing device. Components of electronic device 1100 may include, but are not limited to: the at least one processing unit 1110, the at least one memory unit 1120, a bus 1130 connecting the different system components, including the memory unit 1120 and the processing unit 1110.
Wherein the storage unit stores program code that is executable by the processing unit 1110 such that the processing unit 1110 performs steps according to various exemplary embodiments of the present disclosure described in the above-described "exemplary methods" section of the present specification.
For example, the processing unit 1110 may perform the following steps of the method embodiment described above: the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table; if yes, the service network element sends a service migration request to the target migration network element so that the target migration network element provides service, wherein the target migration network element is a migration network element capable of providing migration service.
For example, the processing unit 1110 may perform the following steps of the method embodiment described above: the service network element sends a service migration request to the migration network element, wherein the service migration request carries migration data volume information; the migration network element judges whether the migration network element can provide migration service according to the migration data amount information and the state information of the migration network element; wherein the status information includes, but is not limited to: network element resource information, running state information or processing capability information; if yes, the migration network element is judged to be a target migration network element, otherwise, the migration network element returns response information; the target migration network element determines migration information according to migration data amount information and state information of the target migration network element; wherein the migration information includes: migration times, migration time, migration tracks and migration data amount of each time.
For example, the processing unit 1110 may perform the following steps of the method embodiment described above: the service network element provides service for the user terminal in the corresponding service area; the service network element judges whether to trigger service migration according to the current track position information and the migration trigger condition table; determining a migration trigger condition table according to preset track planning information and simulation measurement and calculation; after the condition is met, the service network element initiates a service migration request to the migration network element.
The storage unit 1120 may include a readable medium in the form of a volatile storage unit, such as a Random Access Memory (RAM) 11201 and/or a cache memory 11202, and may further include a Read Only Memory (ROM) 11203.
The storage unit 1120 may also include a program/utility 11204 having a set (at least one) of program modules 11205, such program modules 11205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The bus 1130 may be a local bus representing one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a bus using any of a variety of bus architectures.
The electronic device 1100 may also communicate with one or more external devices 1140 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 1100, and/or any devices (e.g., routers, modems, etc.) that enable the electronic device 1100 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 1150.
Also, electronic device 1100 can communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 1160. As shown, network adapter 1160 communicates with other modules of electronic device 1100 via bus 1130. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 1100, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, a computer-readable storage medium, which may be a readable signal medium or a readable storage medium, is also provided. On which a program product is stored which enables the implementation of the method described above of the present disclosure. In some possible implementations, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the disclosure as described in the "exemplary methods" section of this specification, when the program product is run on the terminal device.
For example, a program product in an embodiment of the disclosure, when executed by a processor, performs a method of: the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table; if yes, the service network element sends a service migration request to the target migration network element so that the target migration network element provides service, wherein the target migration network element is a migration network element capable of providing migration service.
For example, a program product in an embodiment of the disclosure, when executed by a processor, performs a method of: the service network element provides service for the user terminal in the corresponding service area; the service network element judges whether to trigger service migration according to the current track position information and the migration trigger condition table; determining a migration trigger condition table according to preset track planning information and simulation measurement and calculation; after the condition is met, the service network element initiates a service migration request to the migration network element.
For example, a program product in an embodiment of the disclosure, when executed by a processor, performs a method of: the migration network element judges whether migration service can be provided according to the state information of the migration network element; when the migration network element can not provide the migration service, the service network element requests other available migration network elements; when the migration network element can provide the migration service, judging whether the migration data volume exceeds a threshold; if not, the service network element negotiates with the migration network element to carry out one-time migration; if yes, the service network element negotiates with the migration network element to carry out multiple migration.
For example, a program product in an embodiment of the disclosure, when executed by a processor, performs a method of: the service network element sends a service migration request to the migration network element, wherein the service migration request carries migration data volume information; the migration network element judges whether the migration network element can provide migration service according to the migration data amount information and the state information of the migration network element; wherein the status information includes, but is not limited to: network element resource information, running state information or processing capability information; if yes, the migration network element is judged to be a target migration network element, otherwise, the migration network element returns response information; the target migration network element determines migration information according to migration data amount information and state information of the target migration network element; wherein the migration information includes: migration times, migration time, migration tracks and migration data amount of each time.
More specific examples of the computer readable storage medium in the present disclosure may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In this disclosure, a computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Alternatively, the program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In particular implementations, the program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server.
In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
Furthermore, although the steps of the methods in the present disclosure are depicted in a particular order in the drawings, this does not require or imply that the steps must be performed in that particular order or that all illustrated steps be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
From the description of the above embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a mobile terminal, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (12)

1. A method for service migration in an aerospace network, comprising:
the service network element judges whether to trigger service migration according to the current track information and the migration trigger condition table;
if yes, the service network element sends a service migration request to a target migration network element so that the target migration network element provides service, wherein the target migration network element is a migration network element capable of providing migration service.
2. The method for service migration in an aerospace network according to claim 1, further comprising:
acquiring orbit planning information, performing simulation measurement and calculation on satellites according to the orbit planning information, and generating the migration trigger condition table, wherein the migration trigger condition table comprises: migration time, migration location, time of migration target or satellite leaving service coverage area;
the current track information includes: track position information or track time information.
3. The method for service migration in an aerospace network according to claim 1, further comprising:
the service network element sends a service migration request to a migration network element, wherein the service migration request carries migration data volume information;
the migration network element judges whether the migration network element can provide migration service according to the migration data amount information and the state information of the migration network element, wherein the state information comprises: network element resource information, running state information or processing capability information;
If yes, the migration network element is judged to be the target migration network element, otherwise, the migration network element returns response information.
4. A method of service migration in an aerospace network according to claim 3, further comprising: the target migration network element determines migration information according to the migration data amount information and the state information of the target migration network element, wherein the migration information comprises: migration times, migration time, migration tracks and migration data amount of each time.
5. The method for service migration in an aerospace network according to claim 1, further comprising:
after data migration backup, the service network element and the target migration network element are confirmed interactively;
the target migration network element provides service for the user in the original service area, wherein the original service area is the service area of the service network element before data migration;
and the service network element deletes the data of the original service area user.
6. The method for service migration in an aerospace network of claim 5, further comprising:
and during the data migration backup period, the service network element continuously provides service for the original service area user, and the target migration network element provides service for the original service area user, the service area user corresponding to the target migration network element and the original service area new user.
7. The method for service migration in an aerospace network of claim 4, further comprising:
when the target migration network element determines that the migration times are multiple times, the target migration network element performs data migration according to the migration information;
the target migration network element migrates the data to one or more migration network elements.
8. The method for service migration in an aerospace network according to claim 2, wherein the track planning information comprises: satellite identification, network element capability identification, orbit parameters, service coverage area information or service coverage area orbit relation information; the track parameters include: ground speed, period or equatorial angle.
9. The method for migrating services of an aerospace network according to claim 1, wherein the service network element and the migrating network element are aerospace network elements.
10. A service migration apparatus for an aerospace network, comprising:
the migration triggering module is used for judging whether to trigger service migration or not according to the current track information and the migration triggering condition table by the service network element;
and the service migration module is used for sending a service migration request to the target migration network element by the service network element if the service migration module is used, so that the target migration network element provides services, wherein the target migration network element is a migration network element capable of providing migration services.
11. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the service migration method of the space-to-earth network of any one of claims 1 to 9 via execution of the executable instructions.
12. A computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the method of service migration of an aerospace network according to any one of claims 1 to 9.
CN202211072504.5A 2022-09-02 2022-09-02 Service migration method, device, equipment and storage medium of space-sky network Pending CN117692980A (en)

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US9888426B2 (en) * 2015-05-01 2018-02-06 Qualcomm Incorporated Handoff for satellite communication
US9681337B2 (en) * 2015-08-05 2017-06-13 Qualcomm Incorporated Satellite-to-satellite handoff in satellite communications system
EP3449583A1 (en) * 2016-04-28 2019-03-06 Qualcomm Incorporated Handoff for satellite communication
CN111464235B (en) * 2020-06-22 2020-09-25 北京前沿探索深空科技有限公司 Low-orbit satellite mobile network switching method and device based on time
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