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.

Date of Patent:
Mar. 05, 2013

Filed:

Jul. 29, 2010
Applicants:

Susumu Akiu, Kawasaki, JP;

Takaharu Ishizuka, Kawasaki, JP;

Takeshi Owaki, Kawasaki, JP;

Atsushi Morosawa, Kawasaki, JP;

Inventors:

Susumu Akiu, Kawasaki, JP;

Takaharu Ishizuka, Kawasaki, JP;

Takeshi Owaki, Kawasaki, JP;

Atsushi Morosawa, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of updating a routing table includes: receiving, from an issue-source node, a write packet that includes update data for updating the routing table; attempting to recognize, based upon contents of the write packet, a partition in which the issue-source node is included; determining whether to permit updating the routing table based upon (1) whether the partition including the source node is recognized and (2) whether port information and partition information in the update data are stored in the routing table; and updating the routing table when updating is permitted.


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