A method for dynamically generating amf slice sets in a 5g core network
A technology of dynamic generation and core network, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of reducing network efficiency, increasing the burden of network administrators, and wasting network resources, so as to improve network management efficiency and reduce AMF redirection, the effect of improving network efficiency
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Embodiment 1
[0049] A method for dynamically generating an AMF slice set in a 5G core network in this embodiment is to update the NSSAI when a new gNB is added (AMF) process, such as figure 1 and figure 2 shown. figure 1 It is a network topology diagram. This embodiment is to update NSSAI when adding new gNB_1 (AMF) the process of. The current slice set NSSAI supported by each tracking area under gNB_1 (TA) Including {S-NSSAI_1, S-NSSAI_2, S-NSSAI_3}, when the access and mobility management function AMF receives the connection message of gNB_1, it will set the slice set NSSAI of gNB_1 (TA) Submit to the network slice selection function NSSF for calculation, and NSSF generates a new NSSAI (AMF) , after regeneration in the figure, the new NSSAI (AMF) A new S-NSSAI_3 slice has been added.
[0050] figure 2 It is a communication flow chart, specifically including the following steps:
[0051] Step S1, when the new base station gNB_1 joins 5GC, it will send a base station connection...
Embodiment 2
[0068] A method for dynamically generating an AMF slice set by a 5G core network in this embodiment is a base station slice set NSSAI (TA) Update NSSAI when changed (AMF) process, such as image 3 and Figure 4 shown. image 3 NSSAI for gNB_1 (TA) Change update NSSAI (AMF) Network topology diagram, NSSAI of gNB_1 in the diagram (TA) Change, and then send a base station configuration update message to AMF, and AMF submits the updated NSSAI to NSSF (TA) , NSSF recalculates NSSAI (AMF) , and update NSSAI to NRF (AMF) .
[0069] Return to NSSAI (SupportedTA) to gNB_1. Optionally update NSSAI on NRF (AMF) ,and
[0070] Specific steps are as follows:
[0071] Step S1', NSSAI of gNB_1 (TA) When changing, send the base station configuration update message RANConfigurationUpdate to AMF, carrying the updated base station slice set NSSAI (TA) ;
[0072] Step S2', AMF will carry the updated base station slice set NSSAI (TA) The base station configuration update message is...
Embodiment 3
[0077] A method for dynamically generating an AMF slice set by a 5G core network in this embodiment is to update the NSSAI when the base station is removed (AMF) process, such as Figure 5 and Figure 6 shown. Figure 5 Update NSSAI for gNB_1 removed (AMF) Network topology diagram. In the diagram, gNB_1 is removed due to network deployment needs or failures. AMF recognizes that the link of gNB_1 is disconnected, and then submits the updated NSSAI to NSSF (TA), NSSF recalculates NSSAI (AMF) , while updating NSSAI to NRF (AMF) .
[0078] Specific steps are as follows:
[0079] Step S1", when the AMF recognizes that the communication link of the base station gNB_1 is disconnected, it sends a base station configuration update message to the NSSF, and the base station configuration update message carries the updated NSSAI (TA) .
[0080] Step S2", NSSF calculates and generates a new NSSAI according to the updated NSSAI(TA) (AMF) and update NSSAI in NRF (AMF) .
[0081] T...
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