Monday 13 October, 2025
The report provides an outline of the 5GS roaming security architecture, how it is different from the roaming architecture in 4G/LTE, and how this architecture addressing the business, operational and security requirements. A comparison of the existing 5GS roaming solutions as described in the 3GPP specifications (see TS 33.501 [1], TS 23.501 [7] and TS 29.573 [25] is provided, followed by key issues and alternative solutions.
