Patents by Inventor Charles C. Wolfinger

Charles C. Wolfinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method to facilitate network element failure detection and session restoration in a network environment
    Patent number: 11121911
    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.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: September 14, 2021
    Assignee: Cisco Technology, Inc.
    Inventors: Konstantin Livanos, Ian McDowell Campbell, Charles C. Wolfinger
  • SYSTEM AND METHOD TO FACILITATE NETWORK ELEMENT FAILURE DETECTION AND SESSION RESTORATION IN A NETWORK ENVIRONMENT
    Publication number: 20190222471
    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.
    Type: Application
    Filed: March 20, 2019
    Publication date: July 18, 2019
    Inventors: Konstantin LIVANOS, Ian McDowell CAMPBELL, Charles C. WOLFINGER
  • System and method to facilitate network element failure detection and session restoration in a network environment
    Patent number: 10284420
    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.
    Type: Grant
    Filed: February 19, 2017
    Date of Patent: May 7, 2019
    Assignee: Cisco Technology, Inc.
    Inventors: Konstantin Livanos, Ian McDowell Campbell, Charles C. Wolfinger
  • SYSTEM AND METHOD TO FACILITATE NETWORK ELEMENT FAILURE DETECTION AND SESSION RESTORATION IN A NETWORK ENVIRONMENT
    Publication number: 20180241615
    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.
    Type: Application
    Filed: February 19, 2017
    Publication date: August 23, 2018
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Konstantin Livanos, Ian McDowell Campbell, Charles C. Wolfinger