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:
Dec. 08, 2015

Filed:

Apr. 01, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Claude Basso, Nice, FR;

David A. Shedivy, Rochester, MN (US);

Colin B. Verrilli, Apex, NC (US);

Bruce M. Walk, Rochester, MN (US);

Daniel Wind, Nice, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/743 (2013.01); H04L 12/747 (2013.01); H04L 12/721 (2013.01);
U.S. Cl.
CPC ...
H04L 45/7453 (2013.01); H04L 45/742 (2013.01);
Abstract

Techniques are provided for hash-based routing table management in a distributed network switch. A frame having a source address and a destination address is received by a switch module having bridge elements and a routing table divided into slices of buckets, each slice having a respective property and including one or more buckets. If a routing entry for the source address is found in a first slice of a first set of buckets of the routing table responsive to a lookup request for the source address, and the property of the first slice satisfies a replication condition, then the routing entry is replicated to a second set of buckets of the routing table.


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