Patents by Inventor Preben Hunnerup

Preben Hunnerup 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).

  • Provisioned provider link state bridging (PLSB) with routed back-up
    Patent number: 9100269
    Abstract: A method of managing traffic flow in a packet network. A working sub-network is provided, which comprises one or more provisioned static working paths between at least one source node and one or more destination nodes in the network, and the working sub-network with a service instance. A backup sub-network is provided, which comprises one or more dynamic protection paths between the at least one source node and the one or more destination nodes, and the backup sub-network associated with the service instance. During a normal operation of the network, forwarding subscriber traffic associated with the service instance through the network using the working sub-network. Following detection of a network failure affecting the service instance, the subscriber traffic associated with the service instance is switched for forwarding through the network using the backup sub-network.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: August 4, 2015
    Assignee: RPX CLEARINGHOUSE LLC
    Inventors: David Allan, Nigel Bragg, Hadi Nasrallah, Preben Hunnerup
  • PROVISIONED PROVIDER LINK STATE BRIDGING (PLSB) WITH ROUTED BACK-UP
    Publication number: 20100103813
    Abstract: A method of managing traffic flow in a packet network. A working sub-network is provided, which comprises one or more provisioned static working paths between at least one source node and one or more destination nodes in the network, and the working sub-network with a service instance. A backup sub-network is provided, which comprises one or more dynamic protection paths between the at least one source node and the one or more destination nodes, and the backup sub-network associated with the service instance. During a normal operation of the network, forwarding subscriber traffic associated with the service instance through the network using the working sub-network. Following detection of a network failure affecting the service instance, the subscriber traffic associated with the service instance is switched for forwarding through the network using the backup sub-network.
    Type: Application
    Filed: October 28, 2008
    Publication date: April 29, 2010
    Applicant: NORTEL NETWORKS LIMITED
    Inventors: David Allan, Nigel Bragg, Hadi Nasrallah, Preben Hunnerup