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:
May. 05, 2015

Filed:

May. 07, 2012
Applicants:

Ramkumar Parameswaran, Cupertino, CA (US);

Varun Shah, Milpitas, CA (US);

Erik Nordmark, Mountain View, CA (US);

Ayan Banerjee, Fremont, CA (US);

Inventors:

Ramkumar Parameswaran, Cupertino, CA (US);

Varun Shah, Milpitas, CA (US);

Erik Nordmark, Mountain View, CA (US);

Ayan Banerjee, Fremont, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 1/16 (2006.01); H04L 12/751 (2013.01); H04L 12/721 (2013.01);
U.S. Cl.
CPC ...
H04L 45/02 (2013.01); H04L 45/026 (2013.01); H04L 45/66 (2013.01);
Abstract

Systems and methods may be provided embodying an optimized Trill LAN network hello mode. The optimized hello mode may allow the number of LAN hellos exchanged to be reduced significantly in a steady state mode of operation. No modifications to the current Trill specification are needed and in a converged state (when designated RBridge election and appointed forwarder appointments are complete), only 1 hello PDU per RBridge is originated in every hello interval.


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