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:
Sep. 29, 2009

Filed:

Dec. 18, 2001
Applicants:

Maurilio Cometto, San Jose, CA (US);

Guglielmo M. Morandin, San Jose, CA (US);

Raymond J. Kloth, Saratoga, CA (US);

Robert L. Hoffman, Santa Clara, CA (US);

Inventors:

Maurilio Cometto, San Jose, CA (US);

Guglielmo M. Morandin, San Jose, CA (US);

Raymond J. Kloth, Saratoga, CA (US);

Robert L. Hoffman, Santa Clara, CA (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and apparatus are provided for controlling congestion in a network such as a fibre channel network. Techniques are provided for characterizing traffic flow at a congested network node. The congested network node can generate various instructions such as quench messages to control traffic flow towards the congested network node. The quench messages can optionally include information about the characteristics of the congestion. The instructions are distributed to other nodes in the network. The other network nodes can interpret the instructions and control traffic flow towards the congested node.


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