Patents by Inventor Kris Michielsen

Kris Michielsen 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).

  • Convergence measurement in computer network
    Patent number: 7898973
    Abstract: A system and method for measuring convergence performance in a network are disclosed. In one embodiment, the method includes receiving a plurality of probes at a network device, temporarily storing data from at least a portion of the received probes and deleting at least a portion of the temporarily stored data at regular intervals, and receiving a packet indicating a convergence event and storing data from probes received over a predetermined period.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: March 1, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Clarence Filsfils, Kris Michielsen, Peter De Vriendt, Emmanuel Tychon
  • Method and apparatus for providing faster convergence for redundant sites
    Patent number: 7505402
    Abstract: A method, apparatus and computer program product for providing convergence for a dual-homed site in a network is presented. An occurrence of a failure between a first Provider Edge (PE) device and a first Customer Edge (CE) device in communication with a dual-homed site is detected. A determination is made whether an alternate route exists for the dual-homed site in a routing table associated with the first PE device. When an alternate route exists then a routing entry associated with the first CE device in a routing table of said first PE device is kept from being deleted for a predetermined amount of time, the routing table is modified to reference the alternate route, the routing entry is rewritten to perform a POP and lookup in a VRF table of the first PE device, and the routing entry is deleted after the predetermined amount of time has elapsed.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: March 17, 2009
    Assignee: Cisco Technology, Inc.
    Inventors: Clarence A. M. Filsfils, James N. Guichard, Robert Raszuk, Jean-Philippe Vasseur, Kris Michielsen, Peter De Vriendt
  • Convergence measurement in computer network
    Publication number: 20080298265
    Abstract: A system and method for measuring convergence performance in a network are disclosed. In one embodiment, the method includes receiving a plurality of probes at a network device, temporarily storing data from at least a portion of the received probes and deleting at least a portion of the temporarily stored data at regular intervals, and receiving a packet indicating a convergence event and storing data from probes received over a predetermined period.
    Type: Application
    Filed: May 30, 2007
    Publication date: December 4, 2008
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Clarence Filsfils, Kris Michielsen, Peter De Vriendt, Emmanuel Tychon
  • Method and apparatus for providing faster convergence for redundant sites
    Publication number: 20070008878
    Abstract: A method, apparatus and computer program product for providing convergence for a dual-homed site in a network is presented. An occurrence of a failure between a first Provider Edge (PE) device and a first Customer Edge (CE) device in communication with a dual-homed site is detected. A determination is made whether an alternate route exists for the dual-homed site in a routing table associated with the first PE device. When an alternate route exists then a routing entry associated with the first CE device in a routing table of said first PE device is kept from being deleted for a predetermined amount of time, the routing table is modified to reference the alternate route, the routing entry is rewritten to perform a POP and lookup in a VRF table of the first PE device, and the routing entry is deleted after the predetermined amount of time has elapsed.
    Type: Application
    Filed: June 23, 2005
    Publication date: January 11, 2007
    Inventors: Clarence Filsfils, James Guichard, Robert Raszuk, Jean-Philippe Vasseur, Kris Michielsen, Peter De Vriendt