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:
Oct. 11, 2016

Filed:

Jun. 14, 2013
Applicant:

Aruba Networks, Inc., Sunnyvale, CA (US);

Inventors:

Brijesh Nambiar, Sunnyvale, CA (US);

Ramsundar Janakiraman, Sunnyvale, CA (US);

Ravinder Verma, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/00 (2006.01); H04L 29/06 (2006.01); H04L 12/801 (2013.01); H04L 12/745 (2013.01); H04L 12/773 (2013.01); H04L 12/841 (2013.01); H04L 12/803 (2013.01);
U.S. Cl.
CPC ...
H04L 29/06217 (2013.01); H04L 45/60 (2013.01); H04L 45/748 (2013.01); H04L 47/11 (2013.01); H04L 47/28 (2013.01); H04L 63/0272 (2013.01); H04L 63/101 (2013.01); H04L 63/20 (2013.01); H04L 47/122 (2013.01);
Abstract

The present disclosure discloses a method and network device for a rate limiting mechanism based on device load/capacity or traffic content. Specifically, the system receives a request from a network node, and determines whether a ratio between a current load and a capacity exceeds a threshold. If so, the system determines a wait time period based on current load/capacity ratio, and responds to the network node with a message including the wait time period. Moreover, the system can inspect content of the request to determine a message type, and whether the message type indicates that the request is associated with dependent messages. If so, the system responds to the request with a busy message including the wait time period. Further, the system rejects new session requests if the number of concurrent sessions currently connected to the network device approaches the number of sessions associated with a regression point.


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