| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To interrupt a network by suitably using a mail of a provider toward a group only for a valid group user. <P>SOLUTION: A network service allowing system comprises a plurality of groups of user terminals 7, 8 for conducting network connection requests; a carrier 6 having group dealing NAS 6-1, 6-2 for allocating one of the global IP addresses to be managed by himself, when a network connection request is received from a certain group of the user terminal; and provider systems 2, 3 dealing with the group having VPN units 21, 32 for allocating the private IP address shared by a certain group to the user terminal by confirming a valid user, when a NAS connection request is received, based on identification data from the user terminal of the group aligned with the global IP address. <P>COPYRIGHT: (C)2003,JPO</p> |
