User plane function selection for isolated network slice
Systems, apparatuses, and methods are described for wireless communications. A first message indicating a request to select a user plane function (UPF) device may comprise a network slice isolation information parameter and a network slice identifier associated with a wireless device. A second message comprising an identifier of a UPF device may be received.
1. A method comprising:
sending, by a session management function (SMF) device, a first message indicating a request for flail user plane function (UPF) device information for sending data associated with a wireless device, wherein the first message comprises:
a network slice isolation information parameter, and
a network slice identifier associated with the wireless device; and
receiving, by the SMF device and based on the first message, a second message comprising an identifier of a UPF device, wherein the UPF device is associated with the network slice identifier.
2. The method of claim 1 , wherein the UPF device is associated with a packet data unit (PDU) session for sending the data.
3. The method of claim 1 , wherein the sending the first message comprises sending the first message to a network repository function (NRF) device.
4. The method of claim 1 , further comprising receiving, from an access mobility management function (AMF) device, a request to establish a session for sending the data, wherein the request comprises the network slice isolation information parameter.
5. The method of claim 1 , further comprising receiving, from the wireless device, a non-access stratum (NAS) message comprising the network slice isolation information parameter.
6. The method of claim 1 , further comprising sending, to the UPF device, a third message indicating a request to establish a session for sending the data.
7. The method of claim 1 , wherein the network slice isolation information parameter comprises at least one of:
a network slice coexistence rule;
a network slice isolation type descriptor; or
a degree of network slice isolation.
8. The method of claim 1 , wherein the UPF device information comprises one or more of an Internet Protocol (IP) address or a fully qualified domain name (FQDN) of the UPF device.
9. A method comprising:
receiving, by a first network function device from a second network function device, a first message for user plane function (UPF) device information for sending data associated with a wireless device, wherein the first message comprises:
a network slice isolation information parameter, and
a network slice identifier associated with a wireless device;
selecting, by the first network function device and based on the first message, a UPF device associated with the network slice identifier; and
sending, by the first network function device to the second network function device, a second message comprising an identifier of the selected UPF device.
10. The method of claim 9 , wherein the first network function device comprises a unified data management (UDM) device, and wherein the second network function device comprises a session management function (SMF) device.
11. The method of claim 9 , wherein the second message further comprises at least one of:
the network slice isolation information parameter, or
a UPF device selection rule.
12. The method of claim 9 , further comprising sending, by the first network function device to the second network function device, a third message indicating a change in at least one of:
the network slice isolation information parameter, or
a UPF device selection rule.
13. The method of claim 9 , wherein the network slice isolation information parameter comprises at least one of:
a network slice coexistence rule;
a network slice isolation type descriptor; or
a degree of network slice isolation.
14. An apparatus comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the apparatus to:
send a first message indicating a request for flail user plane function (UPF) device information for sending data associated with a wireless device, wherein the first message comprises:
a network slice isolation information parameter, and
a network slice identifier associated with the wireless device; and
receive, based on the first message, a second message comprising an identifier of a UPF device, wherein the UPF device is associated with the network slice identifier.
15. The apparatus of claim 14 , wherein the UPF device is associated with a packet data unit (PDU) session for sending the data.
16. The apparatus of claim 14 , wherein the apparatus comprises a session management function (SMF) device, and wherein the instructions, when executed by the one or more processors, cause the SMF device to send the first message to a network repository function (NRF) device.
17. The apparatus of claim 14 , wherein the instructions, when executed by the one or more processors, cause the apparatus to receive, from an access mobility management function (AMF) device, a request to establish a session for sending the data, wherein the request comprises the network slice isolation information parameter.
18. The apparatus of claim 14 , wherein the instructions, when executed by the one or more processors, cause the apparatus to receive, from the wireless device, a non-access stratum (NAS) message comprising the network slice isolation information parameter.
19. The apparatus of claim 14 , wherein the instructions, when executed by the one or more processors, cause the apparatus to send, to the UPF device, a third message indicating a request to establish a session for sending the data.
20. The apparatus of claim 14 , wherein the network slice isolation information parameter comprises at least one of:
a network slice coexistence rule;
a network slice isolation type descriptor; or
a degree of network slice isolation.
21. An apparatus comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the apparatus to:
receive a first message for user plane function (UPF) device information for sending data associated with a wireless device, wherein the first message comprises:
a network slice isolation information parameter, and
a network slice identifier associated with a wireless device;
select, based on the first message, a UPF device associated with the network slice identifier; and
send a second message comprising an identifier of the selected UPF device.
22. The apparatus of claim 21 , wherein the apparatus comprises a unified data management (UDM) device, and wherein the instructions, when executed by the one or more processors, cause the UDM device to receive the first message from a session management function (SMF) device and to send the second message to the SMF device.
23. The apparatus of claim 21 , wherein the second message further comprises at least one of:
the network slice isolation information parameter, or
a UPF device selection rule.
24. The apparatus of claim 21 , wherein the instructions, when executed by the one or more processors, cause the apparatus to send a third message indicating a change in at least one of:
the network slice isolation information parameter, or
a UPF device selection rule.
25. The apparatus of claim 21 , wherein the network slice isolation information parameter comprises at least one of:
a network slice coexistence rule;
a network slice isolation type descriptor; or
a degree of network slice isolation.