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.:

US 9313122 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 12, 2016

Filed:

Mar. 13, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventor:

Masatake Miyabe, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/56 (2006.01); H04L 12/803 (2013.01); H04L 12/727 (2013.01); H04L 12/741 (2013.01); H04L 12/26 (2006.01); H04L 12/709 (2013.01);
U.S. Cl.
CPC ...
H04L 45/74 (2013.01); H04L 43/0852 (2013.01); H04L 43/10 (2013.01); H04L 45/245 (2013.01);
Abstract

A frame transmission system includes: a first frame transmission apparatus configured to transmit a message frame containing an medium access control (MAC) destination address in an intended user MAC frame, and containing both MAC header information and header information of an upper layer in a user MAC frame; and a second frame transmission apparatus configured to identify one output destination physical link based on the MAC header information and the header information of the upper layer acquired from the message frame, when an output destination with regard to the MAC destination address in the message frame constitutes a link aggregation group including a plurality of physical links, and generate a reply frame containing information on the identified output destination physical link and a MAC address of the second frame transmission apparatus in order to return the reply frame to the first frame transmission apparatus.


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