Wireless communication service delivery over co-located gateway user planes
In a wireless communication network, a Gateway Control Plane (GW-C) receives a session request for a User Equipment (UE) from an Access Point (AP) that serves the UE. The GW-C transfers a DNS request having an AP ID and network data. A Domain Name System (DNS) translates the AP ID and the network data into an AGW-U ID and an EGW-U ID for co-located GW-Us. The GW-C receives a DNS response and transfers GW control signals using the AGW-U ID and the EGW-U ID. The co-located AGW-U and EGW-U serve the UE responsive to the control signals. In some examples, the selected AGW-U and EGW-U are co-located at the network edge near the AP.
1. A method of operating a wireless communication network to serve User Equipment (UE) over co-located Access Gateway User Planes (AGW-Us) and External GW User Planes (EGW-Us), the method comprising:
a Gateway Control Plane (GW-C) receiving a session request for the UE from an Access Point (AP) that is wirelessly serving the UE and responsively transferring an AGW-U request that has network data and an AP Identifier (ID) for the serving AP;
a Domain Name System (DNS) receiving the AGW-U request, translating the AP ID and the network data into an AGW-U ID for one of the AGW-Us, and transferring an AGW-U response that has the AGW-U ID;
the GW-C receiving the AGW-U response and transferring an EGW-U request that has the network data and the AGW-U ID;
the DNS receiving the EGW-U request, translating the AGW-U ID and the network data into an EGW-U ID for one of the EGW-Us that is co-located with the one of the AGW-Us based on a location ID, and transferring an EGW-U response that has an EGW-U ID for the co-located one of the EGW-Us;
the GW-C receiving the EGW-U response and responsively transferring AGW-U control signals using the AGW-U ID and transferring EGW-U control signals using the EGW-U ID; and
the one of the AGW-Us serving the UE responsive to the AGW-U control signals and the co-located one of the EGW-Us serving the UE responsive to the EGW-U control signals.
2. The method of claim 1 wherein the DNS translating the AGW-U ID into the EGW-U ID for the co-located one of the EGW-Us comprises:
the DNS detecting the location ID in the AGW-U ID and detecting the location ID in the EGW-U ID; and
the DNS determining that the one of the AGW-Us and the one of the EGW-Us are co-located in response to detecting the location ID in the AGW-U ID and in the EGW-U ID.
3. The method of claim 1 wherein the one of the AGW-Us comprises an Access User Plane Function (AUPF) in a System Architecture Evolution (SAE) GW.
4. The method of claim 3 wherein the one of the EGW-Us comprise an External UPF (EUPF) in the System Architecture Evolution (SAE) GW.
5. The method of claim 4 wherein the DNS translating the AGW-U ID into the EGW-U ID for the one of the EGW-Us comprises:
the DNS detecting the location ID in the AGW-U ID and detecting the location ID in the EGW-U ID; and
the DNS determining that the one of the AGW-Us and the one of the EGW-Us are co-located in response to detecting the location ID in the AGW-U ID and in the EGW-U ID.
6. The method of claim 1 wherein the one of the AGW-Us comprises a Serving GW (S-GW).
7. The method of claim 6 wherein the one of the EGW-Us comprises a Packet Data Network GW (P-GW).
8. The method of claim 7 wherein the DNS translating the AGW-U ID into the EGW-U ID for the one of the EGW-Us comprises:
the DNS detecting the location ID in the AGW-U ID and detecting the location ID in the EGW-U ID; and
the DNS determining that the one of the AGW-Us and the one of the EGW-Us are co-located by detecting the location ID in the AGW-U ID and in the EGW-U ID.
9. The method of claim 1 wherein:
the GW-C transferring the AGW-U request indicating the network data comprises the GW-C transferring the AGW-U request indicating a Fifth Generation New Radio (5GNR) service;
the DNS translating the AP ID into the AGW-U ID based on the network data comprises the DNS translating the AP ID into the AGW-U ID responsive to the one of the AGW-Us being capable of supporting the 5GNR service;
the DNS translating the AGW-U ID into the EGW-U ID comprises the DNS translating the AGW-U ID into the EGW-U ID responsive to the one of the EGW-Us being capable of supporting the 5GNR service; and
the one AGW-Us and the one of the EGW-Us serving the UE comprises the one of the AGW-Us and the one of the EGW-Us supporting the 5GNR service for the UE.
10. The method of claim 1 wherein:
the GW-C transferring the AGW-U request indicating the network data comprises the GW-C transferring the AGW-U request indicating a Local Breakout (LBO) service;
the DNS translating the AP ID into the AGW-U ID comprises the DNS translating the AP ID into the AGW-U ID responsive to the one of the AGW-Us being capable of supporting the LBO service;
the DNS circuitry translating the AGW-U ID into the EGW-U ID comprises the DNS translating the AGW-U ID into the EGW-U ID responsive to the one of the EGW-Us being capable of supporting the LBO service; and
the one of the AGW-Us and the one of the EGW-Us serving the UE comprises the one of the AGW-Us and the one of the EGW-Us supporting the LBO service for the UE.
11. A wireless communication network to serve User Equipment (UE) over co-located Access Gateway User Planes (AGW-Us) and External GW User Planes (EGW-Us), the wireless communication network comprising:
a Gateway Control Plane (GW-C) configured to receive a session request for the UE from an Access Point (AP) that is wirelessly serving the UE and responsively transfer an AGW-U request that has network data and an AP Identifier (ID) for the serving AP;
a Domain Name System (DNS) configured to receive the AGW-U request, translate the AP ID and the network data into an AGW-U ID for one of the AGW-Us, and transfer an AGW-U response that has the AGW-U ID;
the GW-C configured to receive the AGW-U response and transfer an EGW-U request that has the network data and the AGW-U ID;
the DNS configured to receive the EGW-U request, translate the AGW-U ID and the network data into an EGW-U ID for one of the EGW-Us that is co-located with the one of the AGW-Us based on a location ID, and transfer an EGW-U response that has an EGW-U ID for the co-located one of the EGW-Us;
the GW-C configured to receive the EGW-U response and responsively transfer AGW-U control signals using the AGW-U ID and transfer EGW-U control signals using the EGW-U ID; and
the one of the AGW-Us configured to serve the UE responsive to the AGW-U control signals and the co-located one of the EGW-Us configured to serve the UE responsive to the EGW-U control signals.
12. The wireless communication network of claim 11 wherein:
the DNS is configured to detect the location ID in the AGW-U ID and detect the location ID in the EGW-U ID; and
the DNS is configured to determine that the one of the AGW-Us and the one of the EGW-Us are co-located in response to the detection of the location ID in the AGW-U ID and in the EGW-U ID.
13. The wireless communication network of claim 11 wherein the one of the AGW-Us comprises an Access User Plane Function (AUPF) in a System Architecture Evolution (SAE) GW.
14. The wireless communication network of claim 13 wherein the one of the EGW-Us comprise an External UPF (EUPF) in the System Architecture Evolution (SAE) GW.
15. The wireless communication network of claim 14 wherein:
the DNS is configured to detect the location ID in the AGW-U ID and detect the location ID in the EGW-U ID; and
the DNS is configured to determine that the one of the AGW-Us and the one of the EGW-Us are co-located in response to the detection of the location ID in the AGW-U ID and in the EGW-U ID.
16. The wireless communication network of claim 11 wherein the one of the AGW-Us comprises a Serving GW User Plane (SGW-U).
17. The wireless communication network of claim 16 wherein the one of the EGW-Us comprises a Packet Data Network GW User Plane (PGW-U).
18. The wireless communication network of claim 17 wherein:
the DNS is configured to detect the location ID in the AGW-U ID and detect the location ID in the EGW-U ID; and
the DNS is configured to determine that the one of the AGW-Us and the one of the EGW-Us are co-located by the detection of the location ID in the AGW-U ID and in the EGW-U ID.
19. The wireless communication network of claim 11 wherein:
the GW-C is configured to transfer the AGW-U request indicating a Fifth Generation New Radio (5GNR) service;
the DNS is configured to translate the AP ID into the AGW-U ID responsive to the one of the AGW-Us being capable of supporting the 5GNR service;
the DNS is configured to translate the AGW-U ID into the EGW-U ID responsive to the one of the EGW-Us being capable of supporting the 5GNR service; and
the one AGW-Us and the one of the EGW-Us configured to support the 5GNR service for the UE.
20. The wireless communication network of claim 11 wherein:
the GW-C is configured to transfer the AGW-U request indicating a Local Breakout (LBO) service;
the DNS is configured to translate the AP ID into the AGW-U ID responsive to the one of the AGW-Us being capable of supporting the LBO service;
the DNS is configured to translate the AGW-U ID into the EGW-U ID responsive to the one of the EGW-Us being capable of supporting the LBO service; and
the one of the AGW-Us and the one of the EGW-Us configured to support the LBO service for the UE.