Enhanced NEF function, MEC and 5G integration
Methods, devices, and systems for third party edge cloud service providers (CSPs) to provide edge computing services to network service providers. The edge computing service is initialized in a network. Network information services of the network are discovered. A location of a cloud resource in the network may be dynamically changed. User plane traffic is steered toward the location of the cloud resource. In some embodiments, initializing the edge computing service includes transmitting an identity of a valid user and a data network name to a network function virtualization management and organization system, or transmitting a user subscription list to a network exposure function. In some embodiments, dynamically changing the location of a cloud resource and steering user plane traffic toward the location of the cloud resource includes determining a number of users of an edge application at a location, and a network requirement of the edge application.
1. A method for use in a network exposure function (NEF), the method comprising:
receiving a message from a cloud service provider (CSP) to subscribe for information associated with at least one wireless transmit/receive unit (WTRU), wherein the information includes location information of the at least one WTRU, a number of the at least one WTRU in a location, or a number of the at least one WTRU using an application in a location;
transmitting the information associated with the at least one WTRU to the CSP;
receiving an update user plane message from the CSP, the update user plane message including a data network name (DNN) location to enable the NEF to steer a user plane (UP) associated with the at least one WTRU; and
steering the UP associated with the at least one WTRU based on the update user plane message received from the CSP including the DNN location, wherein steering the UP further comprises:
querying a core network access and mobility function (AMF) for at least one session management function (SMF) serving the at least one WTRU;
receiving an indication of the at least one SMF from the AMF; and
sending a message to the at least one SMF, wherein the message includes an application identifier, an identifier associated with the WTRU, and the DNN location;
wherein the message is an indication to update the UP associated with the at least one WTRU.
2. The method of claim 1 , wherein steering the UP further comprises:
sending a message to an AMF, wherein the message includes an application identifier, an identifier associated with the WTRU, and the DNN location;
wherein the message is an indication to trigger one or more SMFs to update the UP associated with the at least one WTRU.
3. The method of claim 1 , wherein steering the UP further comprises:
querying a policy control function (PCF) for at least one session management function (SMF) serving the at least one WTRU;
receiving an indication of the at least one SMF from the PCF; and
sending a message to the at least one SMF, wherein the message includes an application identifier, an identifier associated with the WTRU, and the DNN location information;
wherein the message is an indication to update a user plane.
4. The method of claim 1 , wherein the NEF communicates with the CSP via an application programming interface (API).
5. The method of claim 4 , wherein the NEF is co-located with a gNB.
6. The method of claim 1 , wherein the NEF is located in a customer premises equipment (CPE).
7. The method of claim 1 , wherein the NEF is located in a mobile network operator (MNO) core network (CN).
8. A network exposure function (NEF) comprising:
a receiver configured to receive a message from a cloud service provider (CSP) to subscribe for information associated with at least one wireless transmit/receive unit (WTRU), wherein the information includes location information of the at least one WTRU, a number of the at least one WTRU in a location, or a number of the at least one WTRU using an application in a location;
a processor configured to retrieve the information associated with the at least one WTRU; and
a transmitter configured to transmit the information associated with the at least one WTRU to the CSP;
query a core network access and mobility function (AMF) for at least one session management function (SMF) serving the at least one WTRU;
receive an indication of the at least one SMF from the AMF; and
send a message to the at least one SMF;
wherein the receiver is further configured to receive an update user plane message from the CSP, the update user plane message including a data network name (DNN) location to enable the NEF to steer a user plane (UP) associated with the at least one WTRU;
wherein the processor and transmitter are further configured to steer the UP associated with the at least one WTRU based on the update user plane message received from the CSP including the DNN location wherein the message includes an application identifier, an identifier associated with the at least one WTRU, and the DNN location; and
wherein the message is an indication to update the UP associated with the at least one WTRU.
9. The NEF of claim 8 , further configured to:
send a message to an AMF, wherein the message includes an application identifier, an identifier associated with the at least one WTRU, and the DNN location;
wherein the message is an indication to trigger one or more SMFs to update the UP associated with the at least one WTRU.
10. The NEF of claim 8 , further configured to:
query a policy control function (PCF) for at least one session management function (SMF) serving the at least one WTRU;
receive an indication of the at least one SMF from the PCF; and
send a message to the at least one SMF, wherein the message includes an application identifier, an identifier associated with the WTRU, and the DNN location information;
wherein the message is an indication to update a user plane.
11. The NEF of claim 8 , further configured to communicate with the CSP via an application programming interface (API).
12. The NEF of claim 8 , wherein the NEF is located in a customer premises equipment (CPE).
13. The NEF of claim 8 , wherein the NEF is located in a mobile network operator (MNO) core network (CN).
14. The NEF of claim 13 , wherein the NEF is co-located with a gNB.
15. A method for use by a cloud service provider (CSP), the method comprising:
sending a message to a network exposure function (NEF) to subscribe for information associated with at least one wireless transmit/receive unit (WTRU), wherein the information includes location information of the at least one WTRU, a number of the at least one WTRU in a location, or a number of the at least one WTRU using an application in a location;
the CSP, based on the received information, determining to update a user plane (UP) associated with the at least one WTRU;
the CSP transmitting an update user plane message to the NEF, the update user plane message including a data network name (DNN) location to enable the NEF to steer the UP associated with the at least one WTRU, the NEF being further configured to:
query a policy control function (PCF) for at least one session management function (SMF) serving the at least one WTRU;
receive an indication of the at least one SMF from the PCF; and
send a message to the at least one SMF, wherein the message includes an application identifier, an identifier associated with the WTRU, and the DNN location information; and
wherein the message is an indication to update a user plane.
16. The method of claim 15 , wherein the CSP is a third-party CSP.
17. The method of claim 15 , wherein the CSP is a mobile network operator (MNO).
18. The method of claim 15 , wherein the CSP communicates with the NEF via an application programming interface (API).