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:
Nov. 04, 2014

Filed:

Dec. 07, 2012
Applicant:

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

Inventors:

Claude Basso, Nice, FR;

Todd A. Greenfield, Rochester, MN (US);

Philip R. Hillier, III, Rochester, MN (US);

Mark L. Rudquist, Rochester, MN (US);

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

Brian T. Vanderpool, Byron, MN (US);

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/931 (2013.01); H04L 12/761 (2013.01); H04L 12/50 (2006.01); H04L 12/54 (2013.01); H04J 3/24 (2006.01); H04J 3/26 (2006.01); G06F 15/167 (2006.01);
U.S. Cl.
CPC ...
H04L 45/16 (2013.01); H04L 49/201 (2013.01); H04L 49/351 (2013.01); H04L 49/70 (2013.01);
Abstract

The distributed switch may include a plurality of chips (i.e., sub-switches) on a switch module. These sub-switches may receive from a computing device connected to a Tx/Rx port a multicast data frame (e.g., an Ethernet frame) that designates a plurality of different destinations. Instead of simply using one egress connection interface to forward the copies of the data frame to each of the destinations sequentially, the sub-switch may use a plurality of a connection interfaces to transfer copies of the multicast data frame simultaneously. The port that receives the multicast data frame can borrow the connection interfaces (and associated hardware such as buffers) assigned to these other ports to transmit copies of the multicast data frame simultaneously.


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