Resource establishing method, and device

1. A method for establishing a resource, comprising:

establishing a network resource corresponding to a first access technology of a quality of service (QOS) flow; and

receiving first indication information sent by a user plane function (UPF) network element, wherein the first indication information is determined to be sent by the UPF based on the measurement report sent by a UE to the UPF; wherein the first indication information is used to instruct to establish a network resource corresponding to a second access technology of the QoS flow, the first access technology is one of a Third-Generation Partnership Project (3GPP) access technology or a non-3GPP access technology, and the second access technology is the other of the 3GPP access technology or the non-3GPP access technology; wherein the method further comprises:

receiving a first identifier sent by the UPF network element, wherein the first identifier is used to indicate the QoS flow; wherein the first identifier comprises an access traffic steering, switching and splitting (ATSSS) rule identifier and/or a QoS flow identifier; wherein the method further comprises:

determining whether establishment of the network resource corresponding to the second access technology of the QoS flow is allowed; and

establishing, if it is determined that the establishment of the network resource corresponding to the second access technology of the QoS flow is allowed, the network resource corresponding to the second access technology of the QoS flow.

2. The method according to claim 1 , wherein the first identifier is an ATSSS rule identifier, and the method further comprises:

determining the QoS flow according to a correspondence between the ATSSS rule identifier and the QoS flow identifier.

3. The method according to claim 1 , further comprising:

sending the correspondence between the ATSSS rule identifier and the QoS flow identifier to the UPF network element.

4. The method according to claim 1 , further comprising:

sending second indication information to the UPF network element, wherein the second indication information is used to indicate whether establishment of a network resource corresponding to the first access technology and the second access technology of the QoS flow is allowed.

5. The method according to claim 1 , further comprising:

sending third indication information to the UPF network element, wherein the third indication information is used to indicate completion of establishing the network resource corresponding to the second access technology of the QoS flow.

6. The method according to claim 5 , further comprising:

sending a second identifier to the UPF network element, wherein the second identifier is used to indicate the QoS flow.

7. The method according to claim 6 , wherein the second identifier comprises an ATSSS rule identifier and/or a QoS flow identifier.

8. The method according to claim 1 , wherein the first indication information is carried in a non-access stratum (NAS) message and/or an update session request message.

9. A method for establishing a resource, comprising:

sending first indication information to a session management function (SMF) network element when a network resource corresponding to a first access technology of a quality of service (QoS) flow is established, wherein the first indication is determined to be sent to the SMF based on the measurement report sent by a UE; wherein the first indication information is used to instruct to establish a network resource corresponding to a second access technology of the QoS flow, the first access technology is one of a Third-Generation Partnership Project (3GPP) access technology or a non-3GPP access technology, and the second access technology is the other of the 3GPP access technology or the non-3GPP access technology; wherein the method further comprises:

sending a first identifier to the SMF network element, wherein the first identifier is used to indicate the QoS flow; wherein the first identifier comprises an access traffic steering, switching and splitting (ATSSS) rule identifier and/or a QoS flow identifier; wherein the method further comprises:

receiving second indication information sent by the SMF network element, wherein the second indication information is used to indicate whether establishment of a network resource corresponding to the second access technology of the QoS flow is allowed; and

determining, according to the second indication information, that the SMF network element allows establishment of the network resource corresponding to the second access technology of the QoS flow.

10. The method according to claim 9 , further comprising:

receiving indication information sent by the SMF network element and used to indicate completion of establishing the network resource corresponding to the second access technology of the QoS flow; and

switching, according to an ATSSS rule, data of the QoS flow to the second access technology for transmission.

11. A first network device, comprising a memory and a processor,

wherein the processor is configured to execute instructions stored in the memory to perform following operations:

establishing a network resource corresponding to a first access technology of a quality of service (QOS) flow; and

receiving first indication information sent by a user plane function (UPF) network element, wherein the first indication information is determined to be sent by the UPF based on the measurement report sent by a UE to the UPF; wherein the first indication information is used to instruct to establish a network resource corresponding to a second access technology of the QoS flow, the first access technology is one of a Third-Generation Partnership Project (3GPP) access technology or a non-3GPP access technology, and the second access technology is the other of the 3GPP access technology or the non-3GPP access technology; wherein the processor is further configured to execute instructions stored in the memory to perform following operations: receiving a first identifier sent by the terminal device or the UPF network element, wherein the first identifier is used to indicate the QoS flow; wherein the first identifier comprises an access traffic steering, switching and splitting (ATSSS) rule identifier and/or a QoS flow identifier; wherein the processor is further configured to execute instructions stored in the memory to perform following operations:

determining whether establishment of the network resource corresponding to the second access technology of the QoS flow is allowed; and

establishing, if it is determined that the establishment of the network resource corresponding to the second access technology of the QoS flow is allowed, the network resource corresponding to the second access technology of the QoS flow.

12. The method according to claim 9 , wherein the first indication information is carried in a non-access stratum (NAS) message and/or an update session request message.

13. The first network device according to claim 11 , wherein the first identifier is an ATSSS rule identifier, and the processor is further configured to execute instructions stored in the memory to perform following operations:

determining the QoS flow according to a correspondence between the ATSSS rule identifier and the QoS flow identifier.

14. The first network device according to claim 11 , wherein the processor is further configured to execute instructions stored in the memory to perform following operations:

sending the correspondence between the ATSSS rule identifier and the QoS flow identifier to the UPF network element.

15. The first network device according to claim 11 , wherein the processor is further configured to execute instructions stored in the memory to perform following operations: sending second indication information to the UPF network element, wherein the second indication information is used to indicate whether establishment of a network resource corresponding to the first access technology and the second access technology of the QoS flow is allowed.

16. The first network device according to claim 11 , wherein the processor is further configured to execute instructions stored in the memory to perform following operations: sending third indication information to the UPF network element, wherein the third indication information is used to indicate completion of establishing the network resource corresponding to the second access technology of the QoS flow.

17. The first network device according to claim 16 , wherein the processor is further configured to execute instructions stored in the memory to perform following operations: sending a second identifier to the UPF network element, wherein the second identifier is used to indicate the QoS flow.

18. The first network device according to claim 17 , wherein the second identifier comprises an ATSSS rule identifier and/or a QoS flow identifier.