Patents by Inventor Paul UNGEHAGEN

Paul UNGEHAGEN 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).

  • Resilient provider link state bridging (PLSB) virtual private LAN service (VPLS) interworking
    Patent number: 9100316
    Abstract: A method of peer interfacing a Link-State controlled network domain with an Ethernet Bridging controlled network domain. A pair of peer attachment points are provided between the Link-State controlled network domain and the Ethernet Bridging domain. The peer attachment points are respective endpoints of a set of one or more LAN segments defined within the Ethernet Bridging domain. The set of LAN segments are represented as a virtual node in the Link-State controlled network domain. The virtual node is represented in the Link-State controlled network domain as connected to each of the peer attachment points via a respective virtual link. The virtual links are configured such that frames to or from an address in the Link-State controlled network domain are forwarded over a tree passing through only one of the peer attachments points.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 4, 2015
    Assignee: RPX CLEARINGHOUSE LLC
    Inventors: Nigel L. Bragg, David Allan, Peter Ashwood Smith, Paul Ungehagen
  • RESILIENT PROVIDER LINK STATE BRIDGING (PLSB) VIRTUAL PRIVATE LAN SERVICE (VPLS) INTERWORKING
    Publication number: 20140092748
    Abstract: A method of peer interfacing a Link-State controlled network domain with an Ethernet Bridging controlled network domain. A pair of peer attachment points are provided between the Link-State controlled network domain and the Ethernet Bridging domain. The peer attachment points are respective endpoints of a set of one or more LAN segments defined within the Ethernet Bridging domain. The set of LAN segments are represented as a virtual node in the Link-State controlled network domain. The virtual node is represented in the Link-State controlled network domain as connected to each of the peer attachment points via a respective virtual link. The virtual links are configured such that frames to or from an address in the Link-State controlled network domain are forwarded over a tree passing through only one of the peer attachments points.
    Type: Application
    Filed: September 24, 2013
    Publication date: April 3, 2014
    Applicant: ROCKSTAR CONSORTIUM US LP
    Inventors: Nigel L. BRAGG, David ALLAN, Peter ASHWOOD SMITH, Paul UNGEHAGEN
  • Resilient provider link state bridging (PLSB) virtual private LAN service (VPLS) interworking
    Patent number: 8565244
    Abstract: A method of peer interfacing a Link-State controlled network domain with an Ethernet Bridging controlled network domain. A pair of peer attachment points are provided between the Link-State controlled network domain and the Ethernet Bridging domain. The peer attachment points are respective endpoints of a set of one or more LAN segments defined within the Ethernet Bridging domain. The set of LAN segments are represented as a virtual node in the Link-State controlled network domain. The virtual node is represented in the Link-State controlled network domain as connected to each of the peer attachment points via a respective virtual link. The virtual links are configured such that frames to or from an address in the Link-State controlled network domain are forwarded over a tree passing through only one of the peer attachments points.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: October 22, 2013
    Assignee: Rockstar Consortium US LP
    Inventors: Nigel L. Bragg, David Allan, Peter Ashwood Smith, Paul Ungehagen
  • RESILIENT PROVIDER LINK STATE BRIDGING (PLSB) VIRTUAL PRIVATE LAN SERVICE (VPLS) INTERWORKING
    Publication number: 20090201937
    Abstract: A method of peer interfacing a Link-State controlled network domain with an Ethernet Bridging controlled network domain. A pair of peer attachment points are provided between the Link-State controlled network domain and the Ethernet Bridging domain. The peer attachment points are respective endpoints of a set of one or more LAN segments defined within the Ethernet Bridging domain. The set of LAN segments are represented as a virtual node in the Link-State controlled network domain. The virtual node is represented in the Link-State controlled network domain as connected to each of the peer attachment points via a respective virtual link. The virtual links are configured such that frames to or from an address in the Link-State controlled network domain are forwarded over a tree passing through only one of the peer attachments points.
    Type: Application
    Filed: December 12, 2008
    Publication date: August 13, 2009
    Applicant: NORTEL NETWORKS LIMITED
    Inventors: Nigel L. BRAGG, David ALLAN, Peter ASHWOOD SMITH, Paul UNGEHAGEN