A method of verifying that a host coupled to an IP network is authorised to use an IP address which the host claims to own, the IP address comprising a routing prefix and an interface identifier part.
When queried, the subscriber location server (30) returns a Network Routing Number (NRN) which includes a Network Routing Prefix (NRP).
The Network Routing Prefix (NRP) is a node identifier (NI) for the local exchange to which the called party is connected.
In a network, a router uses some secret information combined with a cryptographic process in determination of a subnet's routing prefix.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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