The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Sep. 12, 2008
Applicant:
Tomohiko Yagyu, Tokyo, JP;
Inventor:
Tomohiko Yagyu, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04H 20/71 (2008.01);
U.S. Cl.
CPC ...
Abstract
In a node, a unicast route control information acquireracquires unicast route control information from the multicast information and a TC message received from another node respectively. A relay node set calculatoruses the information to calculate a sender relay node set that covers every multicast receiver node and a receiver relay node set that covers every multicast receiver node respectively, then a multicast route calculatorcalculates a multicast route between a node included in the sender relay node set and a node included in the receiver relay node set.