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:

Jan. 08, 2010
Applicants:

Srikrishnan Venkataraman, Santa Clara, CA (US);

Sandeep Bishnoi, San Jose, CA (US);

Pradeep G. Jain, Sunnyvale, CA (US);

Kanwar D. Singh, Mountain View, CA (US);

Inventors:

Srikrishnan VenkataRaman, Santa Clara, CA (US);

Sandeep Bishnoi, San Jose, CA (US);

Pradeep G. Jain, Sunnyvale, CA (US);

Kanwar D. Singh, Mountain View, CA (US);

Assignee:

Alcatel Lucent, Boulogne-Billancourt, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/24 (2006.01); H04L 12/18 (2006.01); H04L 12/761 (2013.01); H04L 12/707 (2013.01); H04L 12/703 (2013.01); H04L 12/723 (2013.01);
U.S. Cl.
CPC ...
H04L 41/0659 (2013.01); H04L 12/1877 (2013.01); H04L 12/2697 (2013.01); H04L 43/0817 (2013.01); H04L 43/50 (2013.01); H04L 45/16 (2013.01); H04L 45/22 (2013.01); H04L 45/28 (2013.01); H04L 45/50 (2013.01);
Abstract

One example embodiment of the method includes receiving first control packets, by a first node, from a source node. The first control packets indicate the status of the source node. Whether the source node is operational and if a connection path between the first node and the source node is operational is determined based on the received first control packets. The method further includes sending a second control packet to a downstream node if the source node is non-operational, or the connection is non-operational. The second control packet includes at least one value indicating the source node is unreliable.


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