IP address delivery system and IP address delivery method

摘要

An IP address delivery system includes an IP address delivery apparatus and a path-information granting unit. The IP address delivery apparatus includes: a path-information reading unit configured to read, from an IP address request signal transmitted from a request source of an IP address, path information of the request source; an IP address correspondence table in which a correspondence relation between the path information and the IP address is registered; and an IP-address determining unit configured to determine, based on the path information and the IP address correspondence table, an IP address delivered to the request source. The path-information granting unit is provided on a communication path between the IP address delivery apparatus and the request source and configured to grant the path information to the IP address request signal transmitted from the request source.

主权项

1. An IP address delivery system comprising:
an IP address delivery apparatus including:
a path-information reading unit configured to read, from an IP address request signal transmitted from a request source of an IP address, path information of a communication network extending to the request source;an IP address correspondence table in which a correspondence relation between the path information and the IP address is registered; andan IP-address determining unit configured to determine, based on the path information obtained from the path-information reading unit and the IP address correspondence table, an IP address delivered to the request source; and a path-information granting unit provided on a communication path between the IP address delivery apparatus and the request source and configured to grant the path information to the IP address request signal transmitted from the request source.