Invention Grant
- Patent Title: Systems and methods for processing packet traffic without an explicit connection oriented signaling protocol
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Application No.: US17234992Application Date: 2021-04-20
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Publication No.: US11665616B2Publication Date: 2023-05-30
- Inventor: Zhi Cui , Jiansong Wang , Thomas Anschutz
- Applicant: AT&T Intellectual Property I, L.P.
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee Address: US GA Atlanta
- Agency: Guntin & Gust, PLC
- Agent Atanu Das
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04W40/28 ; H04W4/70 ; H04W48/20 ; H04W40/24 ; H04W12/06 ; H04W8/26 ; H04W92/04

Abstract:
A software defined network controller receives from a radio access network access point an attach request generated by a user equipment that includes a user equipment identification and an IP address for the radio access network access point. The controller assigns a temporary identification to the user equipment and sends a modified attach request including the temporary identification, and application server identification and an application server IP address to the radio access network access point. The controller configures a forwarding table associated with the radio access network access point so that the access point forwarding table matches the user equipment identification, the application server identification and the application server IP address. The controller configures a service edge creation environment function forwarding table so that the forwarding table matches the user equipment identification mapped to the radio access network access point IP address.
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