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. 07, 2019

Filed:

Feb. 19, 2017
Applicant:

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

Inventors:

Konstantin Livanos, Naperville, IL (US);

Ian McDowell Campbell, Bow Mar, CO (US);

Charles C. Wolfinger, Littleton, CO (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/24 (2006.01); H04L 12/26 (2006.01); H04W 24/04 (2009.01); H04L 12/14 (2006.01); H04W 4/24 (2018.01); H04M 15/00 (2006.01); H04L 29/12 (2006.01); H04W 88/16 (2009.01);
U.S. Cl.
CPC ...
H04L 41/0668 (2013.01); H04L 12/1407 (2013.01); H04L 43/0805 (2013.01); H04L 43/0817 (2013.01); H04M 15/00 (2013.01); H04M 15/57 (2013.01); H04M 15/66 (2013.01); H04M 15/8228 (2013.01); H04W 4/24 (2013.01); H04W 24/04 (2013.01); H04L 41/046 (2013.01); H04L 61/203 (2013.01); H04W 88/16 (2013.01);
Abstract

A method is provided in one example embodiment and may include maintaining, by a Diameter Routing Agent (DRA), an availability status for a plurality of network elements; receiving a request associated with a user equipment (UE) session, wherein a first network element of the plurality of network elements is serving the UE session; determining that the first network element serving the UE session is unavailable; and re-establishing the UE session at a second network element of the plurality of network elements that is available, wherein the re-establishing is performed without terminating the UE session.


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