CN113132135B - Network slice deployment method and device - Google Patents
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- CN113132135B CN113132135B CN201911410810.3A CN201911410810A CN113132135B CN 113132135 B CN113132135 B CN 113132135B CN 201911410810 A CN201911410810 A CN 201911410810A CN 113132135 B CN113132135 B CN 113132135B
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Abstract
The embodiment of the invention discloses a network slice deployment method and a device, wherein the method is applied to NSSF, and comprises the following steps: acquiring UPF service quality information according to UPF capacity information and service quality capability in UPF list information of NRF, and acquiring SMF service quality information according to SMF capacity information and service quality capability in SMF list information of NRF; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing the network slice configuration operation, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, and the rapid and efficient 5G slice deployment is realized.
Description
Technical Field
The embodiment of the invention relates to the technical field of 5G, in particular to a network slice deployment method and device.
Background
With the continuous emergence of various communication services, different communication services have significant differences in network performance requirements, and the fifth generation mobile communication (5G) system introduces the concept of network slice (network slice) to cope with the difference in network performance requirements of different communication services.
Network slicing refers to customizing different logical networks according to different service requirements on a physical or virtual network infrastructure. Network slicing is a complete logical network, which can provide communication services and has a certain network capability, in order to meet the combination of network function sets and resources required by a certain class of users or certain services. The network slices may include a radio access network (radio access network, RAN) and a Core Network (CN).
The network slice instance (network slice instance, NSI) is a truly operating logical network that can meet certain network characteristics or service requirements. A complete network slice instance may provide complete end-to-end network services, and may include several network slice subnet instances (networkslicesubnet instance, NSSI) and/or several Network Functions (NF).
In practical applications, there may be a scenario where one terminal device (e.g., a User Equipment (UE)) accesses one network slice, where access and mobility management functions (access and mobility management function, AMF) included in multiple network slices may be deployed independently, i.e., may not need to be shared, and may also be deployed in a sharing manner.
Prior art 5G network slice deployment usually adopts a manual configuration mode, that is, an AMF and an NRF (NF Repository Function, network registration function) in a network element configuration are specified by a staff member in NSSF (Network Slice Selection Function ), for example, AMF1 belongs to network slice 1 and AMF2 belongs to network slice 2. The terminal device stores slice information of subscription support at the time of opening an account, such as subscription support network slice 1 and support network slice 2, in the UDM (Unified Data Management, subscription data management), indicating that the terminal device can use services of the network slice 1 and the network slice 2; in the network registering process, the network side issues the network slice type allowing access to the terminal equipment according to the capability, subscription information and the like of the network side.
However, in the prior art, network slicing deployment needs to be manually specified, AMF and NRF are selected according to S-NSSAI and DNN (Data Network Name ) in the slicing process by means of personal experience, and the AMF selects UPF according to DNN, S-NSSAI and SMF service area ID, so that optimal UPF and SMF cannot be determined, accuracy is poor, and efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a network slice deployment method and device, which are used for solving the problems that in the prior art, network slices are required to be manually specified, an optimal slice cannot be determined, the accuracy is poor and the efficiency is low.
The embodiment of the invention adopts the following technical scheme:
in a first aspect, a network slice deployment method is provided, applied to NSSF, and the method includes:
acquiring service quality information of the UPF according to the capacity information and the service quality capability of the UPF in UPF list information of the NRF;
acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF in the SMF list information of the NRF;
and selecting target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, wherein the target network elements are used for executing network slice configuration operation.
In a second aspect, a network slice deployment method is provided, applied to NRF, the method comprising:
acquiring UPF list information and SMF list information according to DNN/Slice corresponding to a target service, user access TAI and SMF service area ID mapped by the user access TAI;
transmitting the UPF list information and the SMF list information to the NSSF, wherein,
the NSSF is used for selecting a target network element required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, and the target network element is used for executing the network slice configuration operation.
In a third aspect, there is provided a network slice deployment apparatus, the apparatus comprising:
a first quality information obtaining module, configured to obtain quality of service information of a UPF according to capacity information and quality of service capability of the UPF in UPF list information of the NRF;
a second quality information obtaining module, configured to obtain quality of service information of an SMF according to capacity information and quality of service capability of the SMF in SMF list information of the NRF;
and the selecting module is used for selecting target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, and the target network elements are used for executing network slice configuration operation.
In a third aspect, there is provided a network slice deployment apparatus, the apparatus comprising:
the acquisition module is used for acquiring UPF list information and SMF list information according to DNN/Slice corresponding to the target service, user access TAI and SMF service area ID mapped by the user access TAI;
a sending module, configured to send the UPF list information and the SMF list information to the NSSF, where,
The NSSF is used for selecting a target network element required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, and the target network element is used for executing the network slice configuration operation.
In a fourth aspect, there is provided a server comprising: a memory storing computer program instructions;
a processor, which when executed by the processor, implements a network slice deployment method as described above.
In a fifth aspect, a computer readable storage medium is provided, comprising instructions which, when run on a computer, cause the computer to perform the network slice deployment method as described above.
The above at least one technical scheme adopted by the embodiment of the invention can achieve the following beneficial effects:
according to the network slice deployment method provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; acquiring SMF service quality information according to SMF capacity information and service quality capability in NRF SMF list information; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation, so that the real-time state of the network elements capable of providing service is analyzed, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, the accuracy is higher, and the rapid and efficient 5G slice deployment is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a flowchart of a network slice deployment method applied to NSSF according to an embodiment of the present disclosure;
fig. 2 is a schematic flow chart of a network slice deployment method applied to NRF according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a network slice deployment method applied to NFVO according to an embodiment of the present disclosure;
fig. 4 is a flowchart of a network slice deployment method applied to UPF according to an embodiment of the present disclosure;
fig. 5 is a flowchart of a network slice deployment method applied to SMF according to an embodiment of the present disclosure;
fig. 6 is a flowchart of a network slice deployment method applied to an entire system according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a network slice deployment apparatus according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of a server structure according to an embodiment of the present disclosure.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are intended to be within the scope of the present application based on the embodiments herein.
The embodiment of the invention provides a network slice deployment method and a server, which are used for solving the problems that in the prior art, network slices are required to be manually specified, optimal slices cannot be determined, the accuracy is poor and the efficiency is low. The embodiment of the invention provides a network slice deployment method, an execution subject of which can be but is not limited to an application program, a server or a device or a system capable of being configured to execute the method provided by the embodiment of the invention.
For convenience of description, hereinafter, embodiments of the method will be described taking an execution subject of the method as a server capable of executing the method as an example. It will be appreciated that the subject matter of the method being performed by the server is merely an exemplary illustration and should not be construed as limiting the method.
Fig. 1 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where the method of fig. 1 is applied to NSSF (Network Slice Selection Function ), as shown in fig. 1, the method may include:
The service quality capability is a guarantee capability, such as capability of guaranteeing bandwidth, guaranteeing packet loss rate and the like.
The method comprises the following steps: sending a second query request to the UPF, wherein the second query request comprises capacity information and service quality capability of the UPF; and receiving the service quality information of the UPF sent by the UPF, wherein the service quality information of the UPF is acquired by the UPF according to the capacity information and the service quality capability of the UPF.
Before executing step 101, the network slice deployment method provided by the embodiment of the present invention further includes: and acquiring UPF list information from the NRF according to DNN/Slice corresponding to the target service and user access TAI.
The TAI (tracking area Identity, tracking area identification) is used to locate the position of the tracking user.
The NRF (NF Repository Function, network registration function) is used for service management, service discovery, service authorization, and the like.
The UPF (User Plane Function, user port function) applies user data forwarding, user plane policy enforcement, traffic reporting, flow marking, flow caching, etc.
The method comprises the following steps: sending a first query request to NRF, wherein the first query request comprises the DNN/Slice and the user access TAI; and receiving UPF list information fed back by the NRF, wherein the UPF list information is acquired by the NRF according to the DNN/Slice and the user access TAI.
Step 102, obtaining service quality information of the SMF according to the capacity information and the service quality capability of the SMF in the SMF list information of the NRF.
The method comprises the following steps: sending a third query request to the SMF, wherein the third query request comprises the capacity information and the service quality capability of the SMF; and receiving the service quality information of the SMF sent by the SMF, wherein the service quality information of the SMF is acquired by the SMF according to the capacity information and the service quality capability of the SMF.
Before executing step 102, the network slice deployment method provided by the embodiment of the present invention further includes: and according to DNN/Slice corresponding to the target service and the SMF service area ID mapped by the user access TAI, acquiring SMF list information from the NRF.
The SMF (Session Management Function ).
The method comprises the following steps: sending a first query request to NRF, wherein the first query request comprises the DNN/Slice and an SMF service area ID mapped by the user access TAI; and receiving SMF list information fed back by the NRF, wherein the SMF list information is acquired by the NRF according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
For example, assuming that the service requirement of the target service is a single shared 20G bandwidth, the packet loss rate is not higher than 0.1%, the NSSF queries the SMF list information and the UPF list information from the NRF according to the SMF service area ID mapped by the corresponding DNN (Data Network Name )/Slice, user access TAI, and user access TAI of the target service, queries the remaining allocatable single shared guaranteed bandwidth and the guaranteed packet loss rate supported by the hardware processing capability on the SMF and the UPF, selects the SMF meeting the condition as the target network element according to the query result, and selects the UPF meeting the condition as the target network element according to the query result, so as to perform the network Slice configuration operation.
According to the network slice deployment method provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; according to the capacity information and the service quality capability of the SMF, the service quality information of the SMF in the SMF list information of the NRF is obtained; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation so as to analyze the real-time state of the network elements capable of providing service, and considering the actual processing capacity and the load condition of the network elements, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, so that the probability of subsequent redirection is reduced, the service experience of a user is improved, the method is beneficial to supplement and search of a standard protocol, and quick and efficient 5G slice deployment is realized.
As an embodiment, after performing step 103, the network slice deployment method provided by the embodiment of the present invention includes:
and sending a resource reservation request to the target network element, wherein the resource reservation request at least comprises identification information of the target network element.
And receiving a confirmation reservation result fed back by the target network element, wherein the confirmation reservation result is generated after the target network element confirms reserved resources according to the resource reservation request. The reserved resources include, but are not limited to, egress bandwidth of the target network element, resource type license, cpu and memory.
Illustratively, if a UPF meeting the condition is selected as a target network element according to the query result, a resource reservation request is sent to the UPF. And the UPF generates a confirmation reservation result after confirming reserved resources according to the resource reservation request, the UPF sends the confirmation reservation result to the NSSF, and the NSSF receives the confirmation reservation result fed back by the UPF.
Illustratively, if the SMF satisfying the condition is selected as the target network element according to the query result, a resource reservation request is sent to the SMF. And the SMF generates a confirmation reservation result after confirming reserved resources according to the resource reservation request, the SMF sends the confirmation reservation result to the NSSF, and the NSSF receives the confirmation reservation result fed back by the SMF.
According to the embodiment of the invention, the NSSF sends the resource reservation request to the target network element, the target network element confirms whether the resources are reserved according to the resource reservation request, and if the reserved resources are confirmed, the target network element feeds back the confirmed reserved results of the reserved resources to the NSSF, so that a guarantee is provided for successful configuration of the subsequent network slice.
As an embodiment, after performing step 103, the network slice deployment method provided by the embodiment of the present invention may further include:
a resource configuration request is sent to the NFVO (Network Functions Virtualization Orchestrator, network function virtualization orchestrator), including but not limited to broadband, latency, packet loss rate, bit error rate.
And receiving a configuration result fed back by the NFVO, wherein the configuration result is generated by the NFVO after controlling the target network element to execute network slice configuration operation according to a network slice configuration instruction generated by the NFVO according to the resource configuration request.
Specifically, the NSSF sends a resource configuration request to the NFVO, the NFVO receives a network slice configuration instruction generated according to the resource configuration request after receiving the resource configuration request, and sends the network slice configuration instruction to the target network element, the target network element completes data configuration according to the network slice configuration instruction, and feeds back a configuration result to the NFVO, the NFVO feeds back the configuration result to the NSSF after receiving the configuration result, and the NSSF receives the configuration result fed back by the NFVO.
Fig. 2 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where the method of fig. 2 is applied to NRF (NF Repository Function, network registration function), as shown in fig. 1, the method may include:
The method comprises the following steps: the NRF receives a first query request sent by NSSF, wherein the first query request comprises the DNN/Slice, the user access TAI and an SMF service area ID mapped by the user access TAI; the NRF acquires UPF list information according to the DNN/Slice and the user access TAI; and the NRF acquires SMF list information according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
The NSSF is used for acquiring service quality information of the UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting target network elements required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, wherein the target network elements are used for executing network slice configuration operation.
According to the network slice deployment method provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; acquiring SMF service quality information according to SMF capacity information and service quality capability in NRF SMF list information; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation, so that the real-time state of the network elements capable of providing service is analyzed, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, the accuracy is higher, and the rapid and efficient 5G slice deployment is realized.
Fig. 3 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where the method of fig. 3 is applied to NFVO (Network Functions Virtualization Orchestrator, network function virtualization orchestrator), as shown in fig. 3, the method may include:
Step 302, generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element.
The NSSF is used for acquiring UPF list information and SMF list information from the NRF according to DNN/Slice corresponding to the target service, user access TAI and SMF service area ID mapped by the user access TAI; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting target network elements required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, wherein the target network elements are used for executing network slice configuration operation.
Fig. 4 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where the method of fig. 4 is applied to UPF (User Plane Function, user port function), as shown in fig. 4, the method may include:
The NFVO is configured to receive a resource configuration request sent by the NSSF, where the resource configuration request includes identification information of a target network element; and generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element, and sending the network slice configuration instruction to the UPF.
The UPF is an SMF service area ID mapped by NSSF according to DNN/Slice corresponding to target service, user access TAI and user access TAI, and UPF list information and SMF list information are obtained from NRF; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting a target network element from the UPF according to the UPF list information and the service quality information required by the network slice corresponding to the target service requirement.
And step 402, executing network slice configuration operation and generating a configuration result according to the network slice configuration instruction.
Fig. 5 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where the method of fig. 5 is applied to SMF (Session Management Function ), as shown in fig. 5, the method may include:
The NFVO is configured to receive a resource configuration request sent by the NSSF, where the resource configuration request includes identification information of a target network element; and generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element, and sending the network slice configuration instruction to the SMF.
The SMF is an SMF service area ID mapped by NSSF according to DNN/Slice corresponding to target service, user access TAI and user access TAI, and UPF list information and SMF list information are obtained from NRF; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting a target network element from the SMF according to the SMF list information and the service quality information required by the network slice corresponding to the target service requirement.
Step 502, according to the network slice configuration instruction, executing the network slice configuration operation and generating a configuration result.
Fig. 6 is a flowchart of a network slice deployment method provided by an embodiment of the present invention, where an execution body of the method in fig. 6 is a network slice deployment system, and as shown in fig. 6, the method may include:
S601, NSSF sends a first query request to NRF, wherein the first query request comprises DNN/Slice, user access TAI and SMF service area ID mapped by the user access TAI.
S602, NRF acquires UPF list information according to DNN/Slice and TAI accessed by the user; and the NRF acquires the SMF list information according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
S603, the NRF feeds back UPF list information and SMF list information to NSSF.
S604, the NSSF sends a second query request to the UPF, where the second query request includes capacity information and quality of service capabilities of the UPF.
S605, the UPF acquires the service quality information of the UPF according to the capacity information and the service quality capability of the UPF.
S606, the UPF sends the service quality information of the UPF to the NSSF.
S607, NSSF sends a second query request to the SMF, the second query request including capability information and quality of service capabilities of the SMF.
And S608, the SMF acquires the service quality information of the SMF according to the capacity information and the service quality capability of the SMF.
S609, the SMF sends the service quality information of the SMF to the NSSF.
And S610, NSSF selects target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, wherein the target network elements are used for executing network slice configuration operation.
S611, selecting the UPF meeting the condition as a target network element according to the query result, and then the NSSF sends a resource reservation request to the UPF, wherein the resource reservation request at least comprises the identification information of the UPF.
S612, the UPF confirms the reserved resources according to the resource reservation request and then generates a confirmation reservation result.
S613, the UPF sends the confirmation reservation result to the NSSF.
S614, NSSF receives the confirmation reservation result fed back by UPF.
S615, selecting the SMF meeting the conditions as a target network element according to the query result, and then the NSSF sends a resource reservation request to the SMF, wherein the resource reservation request at least comprises identification information of the SMF.
S616, SMF confirms the reserved resources according to the resource reservation request and then generates a confirmation reservation result.
S617, the SMF sends the confirmation reservation result to the NSSF.
And S618, NSSF receives the confirmation reservation result fed back by the SMF.
S619, NSSF sends a resource configuration request to NFVO.
S620, the NFVO generates a network slice configuration instruction according to the resource configuration request, and sends the network slice configuration instruction to the UPF.
S621, the NFVO sends the network slice configuration instruction to the UPF.
S622, the UPF executes network slice configuration operation according to the network slice configuration instruction.
And S623, feeding back a configuration result to the NFVO by the UPF.
S624, the NFVO generates a network slice configuration instruction according to the resource configuration request, and sends the network slice configuration instruction to the SMF.
S625, the SMF executes network slice configuration operation according to the network slice configuration instruction.
S626, the SMF feeds back the configuration result to the NFVO.
And S627, the NFVO feeds back the configuration result to the NSSF.
According to the network slice deployment method provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; acquiring SMF service quality information according to SMF capacity information and service quality capability in NRF SMF list information; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation, so that the real-time state of the network elements capable of providing service is analyzed, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, the accuracy is higher, and the rapid and efficient 5G slice deployment is realized.
The network slice deployment method of the embodiment of the present specification is described above in detail with reference to fig. 1 to 6, and the network slice deployment apparatus of the embodiment of the present specification is described below in detail with reference to fig. 7.
Fig. 7 shows a schematic structural diagram of a network slice deployment apparatus provided in an embodiment of the present disclosure, as shown in fig. 3, where the apparatus may include:
a first quality information obtaining module 701, configured to obtain quality of service information of a UPF according to capacity information and quality of service capability of the UPF in UPF list information of the NRF;
a second quality information obtaining module 702, configured to obtain quality of service information of an SMF according to capacity information and quality of service capability of the SMF in SMF list information of the NRF;
and a selecting module 703, configured to select, according to the quality of service information required by the network slice corresponding to the target service requirement, the quality of service information of the UPF, and the quality of service information of the SMF, a target network element required to satisfy the target service from the UPF and the SMF, where the target network element is used to execute a network slice configuration operation.
In an embodiment, the device further comprises:
and the list information acquisition module 704 is configured to acquire UPF list information and SMF list information from the NRF according to the DNN/Slice, the user access TAI, and the SMF service area ID mapped by the user access TAI.
In one embodiment, the list information acquisition module 704 includes:
a first sending unit, configured to send a first query request to an NRF, where the first query request includes the DNN/Slice, the user access TAI, and an SMF service area ID mapped by the user access TAI;
the first receiving unit is used for receiving UPF list information and SMF list information fed back by the NRF, wherein the UPF list information is acquired by the NRF according to the DNN/Slice and the user access TAI; and the SMF list information is acquired by the NRF according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
In one embodiment, the first quality information acquisition module 701 includes:
a second sending unit, configured to send a second query request to the UPF, where the second query request includes capacity information and quality of service capability of the UPF;
and the second receiving unit is used for receiving the service quality information of the UPF sent by the UPF, wherein the service quality information of the UPF is acquired by the UPF according to the capacity information and the service quality capability of the UPF.
In one embodiment, the second quality information acquisition module 702 includes:
a third sending unit, configured to send a third query request to the SMF, where the third query request includes capacity information and quality of service capability of the SMF;
And a third receiving unit, configured to receive the quality of service information of the SMF sent by the SMF, where the quality of service information of the SMF is obtained by the SMF according to the capacity information and the quality of service capability of the SMF.
In an embodiment, the network slice deployment apparatus may include:
a first sending module 705, configured to send a resource reservation request to the target network element;
a first receiving module 706, configured to receive a confirmation reservation result fed back by the target network element, where the confirmation reservation result is generated after the target network element confirms that resources are reserved according to the resource reservation request.
In an embodiment, the network slice deployment apparatus may include:
a second sending module 707, configured to send a resource configuration request to the NFVO;
and a second receiving module 708, configured to receive a configuration result fed back by the NFVO, where the configuration result is generated by the NFVO according to a network slice configuration instruction generated by the NFVO according to the resource configuration request, and control the target network element to perform a network slice configuration operation.
According to the network slice deployment device provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; acquiring SMF service quality information according to SMF capacity information and service quality capability in NRF SMF list information; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation, so that the real-time state of the network elements capable of providing service is analyzed, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, the accuracy is higher, and the rapid and efficient 5G slice deployment is realized.
The network slice deployment method according to the embodiment of the present disclosure is described in detail above with reference to fig. 2, and the network slice deployment device according to the embodiment of the present disclosure may include:
the acquisition module is used for acquiring UPF list information and SMF list information according to DNN/Slice corresponding to the target service, user access TAI and SMF service area ID mapped by the user access TAI;
a sending module, configured to send the UPF list information and the SMF list information to the NSSF, where,
the NSSF is used for selecting target network elements required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, and the target network elements are used for executing network slice configuration operation.
The network slice deployment method according to the embodiment of the present disclosure is described in detail above with reference to fig. 3, and the network slice deployment device according to the embodiment of the present disclosure may include:
and the receiving module is used for receiving a resource configuration request sent by the NSSF, wherein the resource configuration request comprises identification information of the target network element.
And the generation module is used for generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element.
And the first sending module is used for sending the network slice configuration instruction to the target network element so as to control the target network element to execute the network slice configuration operation and generate a configuration result.
And the second sending module is used for sending the configuration result to the NSSF.
The NSSF is used for acquiring UPF list information and SMF list information from the NRF according to DNN/Slice corresponding to the target service, user access TAI and SMF service area ID mapped by the user access TAI; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting target network elements required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, wherein the target network elements are used for executing network slice configuration operation.
The network slice deployment method according to the embodiment of the present specification is described in detail above with reference to fig. 4, and the network slice deployment device according to the embodiment of the present specification may include:
and the receiving module is used for receiving the network slice configuration instruction sent by the NFVO.
The NFVO is configured to receive a resource configuration request sent by the NSSF, where the resource configuration request includes identification information of a target network element; and generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element, and sending the network slice configuration instruction to the UPF.
The UPF is an SMF service area ID mapped by NSSF according to DNN/Slice corresponding to target service, user access TAI and user access TAI, and UPF list information and SMF list information are obtained from NRF; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting a target network element from the UPF according to the UPF list information and the service quality information required by the network slice corresponding to the target service requirement.
And the execution module is used for executing the network slice configuration operation and generating a configuration result according to the network slice configuration instruction.
And a sending module, configured to send a configuration result to the NFVO.
The network slice deployment method according to the embodiment of the present disclosure is described in detail above with reference to fig. 5, and the network slice deployment device according to the embodiment of the present disclosure may include:
And the receiving module is used for receiving the network slice configuration instruction sent by the NFVO.
The NFVO is configured to receive a resource configuration request sent by the NSSF, where the resource configuration request includes identification information of a target network element; and generating a network slice configuration instruction according to the resource configuration request and the identification information of the target network element, and sending the network slice configuration instruction to the SMF.
The SMF is an SMF service area ID mapped by NSSF according to DNN/Slice corresponding to target service, user access TAI and user access TAI, and UPF list information and SMF list information are obtained from NRF; acquiring service quality information of a UPF according to the capacity information and the service quality capability of the UPF; acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF; and selecting a target network element from the SMF according to the SMF list information and the service quality information required by the network slice corresponding to the target service requirement.
And the execution module is used for executing the network slice configuration operation and generating a configuration result according to the network slice configuration instruction.
And a sending module, configured to send a configuration result to the NFVO.
The embodiment of the present specification provides a network slice deployment system, which may include: NSSF, NRF, NFVO, UPF and SMFS as shown in fig. 6. Wherein,,
The NSSF sends a first query request to the NRF, wherein the first query request comprises the DNN/Slice, the user access TAI and the SMF service area ID mapped by the user access TAI.
The NRF acquires UPF list information according to the DNN/Slice and the user access TAI; and the NRF acquires the SMF list information according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
The NRF feeds back the UPF list information and the SMF list information to the NSSF.
The NSSF sends a second query request to the UPF, the second query request including capacity information and quality of service capabilities of the UPF.
And the UPF acquires the service quality information of the UPF according to the capacity information and the service quality capability of the UPF.
The UPF transmits the quality of service information of the UPF to the NSSF.
The NSSF sends a second query request to the SMF, the second query request including capacity information and quality of service capabilities of the SMF.
And the SMF acquires the service quality information of the SMF according to the capacity information and the service quality capability of the SMF.
The SMF transmits the quality of service information of the SMF to the NSSF.
And the NSSF selects target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, wherein the target network elements are used for executing network slice configuration operation. Wherein,,
And selecting the UPF meeting the conditions as a target network element according to the query result, and then the NSSF sends a resource reservation request to the UPF, wherein the resource reservation request at least comprises the identification information of the UPF. And the UPF confirms the reserved resources according to the resource reservation request and then generates a confirmation reservation result. The UPF sends the acknowledged reservation result to the NSSF. NSSF receives the confirmation reservation result of the UPF feedback.
And selecting the SMF meeting the conditions as a target network element according to the query result, and then the NSSF sends a resource reservation request to the SMF, wherein the resource reservation request at least comprises identification information of the SMF. And the SMF confirms the reserved resources according to the resource reservation request and then generates a confirmation reservation result. The SMF sends the acknowledged reservation result to the NSSF. NSSF receives the confirmation reservation result fed back by SMF.
The NSSF sends a resource configuration request to the NFVO.
And the NFVO generates a network slice configuration instruction according to the resource configuration request and sends the network slice configuration instruction to the UPF.
And the UPF executes network slice configuration operation according to the network slice configuration instruction and feeds back a configuration result to the NFVO.
And the NFVO generates a network slice configuration instruction according to the resource configuration request and sends the network slice configuration instruction to the SMF.
And the SMF executes network slice configuration operation according to the network slice configuration instruction and feeds back a configuration result to the NFVO.
NFVO feeds back the configuration result to the NSSF.
According to the network slice deployment system provided by the embodiment of the invention, the service quality information of the UPF is obtained according to the capacity information and the service quality capability of the UPF in the UPF list information of the NRF; acquiring SMF service quality information according to SMF capacity information and service quality capability in NRF SMF list information; according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, respectively selecting target network elements required by the target service from the UPF and the SMF, wherein the target network elements are used for executing network slice configuration operation, so that the real-time state of the network elements capable of providing service is analyzed, the actual processing capacity and the load condition of the network elements are considered, the optimal network slice can be automatically selected according to the target service differentiation requirement and the network condition, the probability of subsequent redirection is reduced, the accuracy is higher, and the rapid and efficient 5G slice deployment is realized.
A server according to an embodiment of the present invention will be described in detail with reference to fig. 8. Referring to fig. 8, at the hardware level, the server includes a processor, optionally including an internal bus, a network interface, a memory. As shown in fig. 8, the Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least 1 disk Memory, and so on. Of course, the server may also include the hardware needed to implement other services.
The processor, network interface, and memory may be interconnected by an internal bus, which may be an industry standard architecture (Industry Standard Architecture, ISA) bus, a peripheral component interconnect standard (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The buses may be classified as address buses, data buses, control buses, etc. For ease of illustration, only one bi-directional arrow is shown in FIG. 8, but not only one bus or type of bus.
And the memory is used for storing programs. In particular, the program may include program code including computer-operating instructions. The memory may include memory and non-volatile storage and provide instructions and data to the processor.
The processor reads the corresponding computer program from the nonvolatile memory into the memory and then runs the computer program to form a device for associating the resource value-added object with the resource object on a logic level. The processor executes the programs stored in the memory and is specifically configured to perform the operations of the method embodiments described in the foregoing description.
The methods and apparatuses disclosed in the embodiments shown in fig. 1 to fig. 7 may be applied to a processor or implemented by the processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; but also digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software modules in a decoding processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
The server shown in fig. 8 may also execute the methods of fig. 1 to 6 and implement the functions of the embodiments of the network slice deployment method shown in fig. 1 to 6, and the embodiments of the present invention are not described herein again.
Of course, in addition to the software implementation, the server of the present application does not exclude other implementations, such as a logic device or a combination of software and hardware, that is, the execution subject of the following process flows is not limited to each logic unit, but may also be hardware or a logic device.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above embodiments of the method, and can achieve the same technical effects, and for avoiding repetition, the description is omitted here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. A network slice deployment method applied to NSSF, comprising:
acquiring service quality information of the UPF according to the capacity information and the service quality capability of the UPF in UPF list information of the NRF;
Acquiring service quality information of the SMF according to the capacity information and the service quality capability of the SMF in the SMF list information of the NRF;
and selecting target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, wherein the target network elements are used for executing network slice configuration operation.
2. The method of claim 1, comprising, prior to obtaining the quality of service information for the UPF and the quality of service information for the SMF:
sending a first query request to NRF, wherein the first query request comprises DNN/Slice, user access TAI and SMF service area ID mapped by the user access TAI;
receiving UPF list information and SMF list information fed back by the NRF, wherein the UPF list information is acquired by the NRF according to the DNN/Slice and the user access TAI; and the SMF list information is acquired by the NRF according to the DNN/Slice and the SMF service area ID mapped by the user access TAI.
3. The method of claim 1, wherein obtaining the quality of service information for the UPF based on the capacity information and the quality of service capability for the UPF in the UPF list information for the NRF, comprises:
Sending a second query request to the UPF, wherein the second query request comprises capacity information and service quality capability of the UPF;
and receiving the service quality information of the UPF sent by the UPF, wherein the service quality information of the UPF is acquired by the UPF according to the capacity information and the service quality capability of the UPF.
4. The method of claim 1, wherein obtaining the quality of service information of the SMF based on the capacity information and the quality of service capability of the SMF in the SMF list information of the NRF, comprises:
sending a third query request to the SMF, wherein the third query request comprises the capacity information and the service quality capability of the SMF;
and receiving the service quality information of the SMF sent by the SMF, wherein the service quality information of the SMF is acquired by the SMF according to the capacity information and the service quality capability of the SMF.
5. The method of claim 1, wherein after selecting the target network element required to satisfy the target service from the UPF and the SMF, respectively, comprising:
transmitting a resource reservation request to the target network element;
and receiving a confirmation reservation result fed back by the target network element, wherein the confirmation reservation result is generated after the target network element confirms reserved resources according to the resource reservation request.
6. The method of claim 1, wherein after selecting the target network element required to satisfy the target service from the UPF and the SMF, respectively, comprising:
sending a resource configuration request to the NFVO;
and receiving a configuration result fed back by the NFVO, wherein the configuration result is generated by the NFVO after controlling the target network element to execute network slice configuration operation according to a network slice configuration instruction generated by the NFVO according to the resource configuration request.
7. A network slice deployment method applied to NRF, comprising:
acquiring UPF list information and SMF list information according to DNN/Slice corresponding to a target service, user access TAI and SMF service area ID mapped by the user access TAI;
the UPF list information and the SMF list information are transmitted to the NSSF, wherein,
the NSSF is used for selecting target network elements required by the target service from the UPF and the SMF according to the UPF list information, the SMF list information and the service quality information required by the network slice corresponding to the target service requirement, and the target network elements are used for executing network slice configuration operation.
8. A network slice deployment apparatus, comprising:
A first quality information obtaining module, configured to obtain quality of service information of a UPF according to capacity information and quality of service capability of the UPF in UPF list information of the NRF;
a second quality information obtaining module, configured to obtain quality of service information of an SMF according to capacity information and quality of service capability of the SMF in SMF list information of the NRF;
and the selecting module is used for selecting target network elements required by the target service from the UPF and the SMF according to the service quality information required by the network slice corresponding to the target service requirement, the service quality information of the UPF and the service quality information of the SMF, and the target network elements are used for executing network slice configuration operation.
9. A server, comprising:
a memory storing computer program instructions;
a processor, which when executed by the processor, implements the network slice deployment method of any one of claims 1 to 6.
10. A computer-readable storage medium comprising,
the computer readable storage medium comprising instructions which, when run on a computer, cause the computer to implement the network slice deployment method of any one of claims 1 to 6.
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