US Patent 7305010 Multicast communication system

Patent 7305010 was granted and assigned to Nippon Telegraph and Telephone on December, 2007 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Nippon Telegraph and Telephone

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7305010

Date of Patent

December 4, 2007

Patent Application Number

10341292

Date Filed

January 13, 2003

Patent Primary Examiner

‌

Duc Ho

Patent abstract

In order to make the client host capable of learning an accounting information or an authentication failure information, the accounting information or the authentication failure reason is notified from the routing device 2 to the client host 3, by adding an information regarding the accounting or an information regarding a reason for the authentication failure of the client host 3, to a packet of a protocol based on IGMP or MLD which is a multicast control packet between the client host 3 and the router device 2.