发明名称 |
Communication network system, gateway, data communication method and program providing medium |
摘要 |
This invention relates to provide a communication network system, a gateway, and a data communication method, in which the gateway has an advanced functionality. A person who issues an access request can retrieve a desired access destination easily by the following configuration: functions of routing information providing and authentication processing are added to a gateway that performs protocol conversion between two different communication networks; when an access request is issued from a public communication network such as Internet to a terminal in a local (private) communication network connected to the gateway, a request terminal is authenticated to enable prevention of unauthorized data writing and reading; and an access request user who succeeded in the authentication is provided with an active terminal list comprising accessible terminal information, or with a user condition table.
|
申请公布号 |
US7349993(B2) |
申请公布日期 |
2008.03.25 |
申请号 |
US20050195770 |
申请日期 |
2005.08.03 |
申请人 |
SONY CORPORATION |
发明人 |
KAWAMOTO YOUJI;FUTAGAMI MOTOMASA;NAGANO MOTOHIKO |
分类号 |
G06F15/16;G06F15/173;H04L12/28;H04L12/66;H04L29/06;H04L29/08;H04L29/12 |
主分类号 |
G06F15/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|