Other possible uses
AAA roaming management for PPP and Mobile IP services

In a few years' time, when Diameter has matured, it will be possible to integrate Diameter into Wi-Fi type products. , VPN [H 5 620] , routers, etc. The aim is to gradually replace authentication protocols such as RADIUS with Diameter.

For Wi-Fi, for example, network access is protected by a password supplied by the radio station to the access point; in the next few years, the network access point will be able to check the validity of this password using the Diameter infrastructure.