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. 28, 2003
Filed:
Apr. 22, 1999
Applicant:
Inventors:
Kohei Shiomoto, Tokyo, JP;
Naoaki Yamanaka, Tokyo, JP;
Assignee:
Nippon Telegraph and Telephone Corporation, Shinjuku-ku, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 1/228 ;
U.S. Cl.
CPC ...
H04J 1/228 ;
Abstract
Nodes notify each other of the availability situation of links, whereby the link availability situation is reflected in the network topology information held by each node. The designated routing information of a packet which arrives at a local node for subsequent transfer is updated on the basis of the topology of a network from which the following have been removed: any nodes which a packet arriving at the local node for subsequent transfer has already passed; any links directly connected to such nodes; and any congested or faulty links.