System, device, and method of resolving internet protocol (IP) addresses of devices in a communication network
US11483278B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2021 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Oct 24, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/5046
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems, devices, and methods for resolving the original private Internet Protocol (IP) address of a User Equipment (UE) device in a cellular communication network; particularly where the UE device is behind a Network Address Translation (NAT) service which replaces the original private IP address of the UE device with a replacement public IP address. An IP address resolver performs an active resolution process which injects a new IP packet to the network, or performs a passive or comparison-based resolution process which compares headers of IP packets, to determine a pair of (i) an original private IP address of a particular UE device, and (ii) a replacement public IP address that is assigned to the UE device by a User Plane Function (UPF) unit. The correlation data or IP address mapping data is provided to servers or applications, to enable them to provide services to the UE device using its original private IP address.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.