Patents by Inventor Dirk Anteunis
Dirk Anteunis 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).
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Patent number: 10348611Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.Type: GrantFiled: July 18, 2016Date of Patent: July 9, 2019Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Michel Levy-Abegnoli
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Patent number: 9929938Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, at least one of the first, second, or third network nodes are implemented as a ring-based network having a prescribed ring topology; and establishing loop-free label switched paths for reaching the destination network node via the routing arcs of the loop-free routing topology, the label switched paths independent and distinct from any attribute of the prescribed ring topology.Type: GrantFiled: March 31, 2016Date of Patent: March 27, 2018Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis
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Patent number: 9813340Abstract: In one embodiment, a method comprises detecting a traffic condition by a network device in a loop-free routing topology comprising routing arcs for reaching a destination device, each routing arc comprising a first edge, a second edge, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device and exiting via any one of the first or second edges of the routing arc, the traffic condition proximate to the first edge of at least one of the routing arcs in which the network device is positioned; and the network device initiating load balancing based on sending a management frame over a data plane of the at least one routing arc toward the corresponding second edge, the management frame requesting a change in load balancing for at least one of an identified traffic class based on the detected traffic condition.Type: GrantFiled: June 30, 2015Date of Patent: November 7, 2017Assignee: CISCO TECHNOLOGY, INC.Inventors: Pascal Thubert, Dirk Anteunis, Patrice Bellagamba, David Delano Ward
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Patent number: 9769057Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.Type: GrantFiled: May 29, 2015Date of Patent: September 19, 2017Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Michel Levy-Abegnoli
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Patent number: 9699075Abstract: A network includes routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented to direct network traffic to first and second edge nodes through which the network traffic exits the arc. The nodes in the arc detect a first failure. In response, the nodes exchange first management frames to reverse links in the arc so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic exits the arc. The nodes detect a second failure in the arc that is spaced apart from the first failure. In response, the nodes exchange second management frames to freeze incoming edges of parent arcs to prevent network traffic in the corresponding parent arc from entering the arc.Type: GrantFiled: October 3, 2016Date of Patent: July 4, 2017Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Levy-Abegnoli
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Patent number: 9628391Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and load balancing the network traffic along the routing arcs based on traffic metrics obtained at the first and second ends of the routing arcs, including selectively sending a backpressure command to a first one of the routing arcs supplying at least a portion of the network traffic to a congested one of the routing arcs.Type: GrantFiled: October 20, 2014Date of Patent: April 18, 2017Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Dirk Anteunis, Eric Michel Levy-Abegnoli, Patrice Bellagamba
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Publication number: 20170026279Abstract: A network includes routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented to direct network traffic to first and second edge nodes through which the network traffic exits the arc. The nodes in the arc detect a first failure. In response, the nodes exchange first management frames to reverse links in the arc so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic exits the arc. The nodes detect a second failure in the arc that is spaced apart from the first failure. In response, the nodes exchange second management frames to freeze incoming edges of parent arcs to prevent network traffic in the corresponding parent arc from entering the arc.Type: ApplicationFiled: October 3, 2016Publication date: January 26, 2017Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Levy-Abegnoli
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Publication number: 20170006497Abstract: In one embodiment, a method comprises detecting a traffic condition by a network device in a loop-free routing topology comprising routing arcs for reaching a destination device, each routing arc comprising a first edge, a second edge, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device and exiting via any one of the first or second edges of the routing arc, the traffic condition proximate to the first edge of at least one of the routing arcs in which the network device is positioned; and the network device initiating load balancing based on sending a management frame over a data plane of the at least one routing arc toward the corresponding second edge, the management frame requesting a change in load balancing for at least one of an identified traffic class based on the detected traffic condition.Type: ApplicationFiled: June 30, 2015Publication date: January 5, 2017Inventors: PASCAL THUBERT, DIRK ANTEUNIS, PATRICE BELLAGAMBA, DAVID DELANO WARD
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Publication number: 20160330105Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.Type: ApplicationFiled: July 18, 2016Publication date: November 10, 2016Inventors: Pascal THUBERT, Patrice BELLAGAMBA, Dirk ANTEUNIS, Eric Michel LEVY-ABEGNOLI
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Patent number: 9485136Abstract: A network includes multiple routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented away from a node initially holding a cursor toward one of first and second edge nodes through which the network traffic exits the arc. Each node includes a network device. The nodes in the arc detect a first failure in the arc. Responsive to the detecting the first failure, the nodes exchange first management frames over a data plane within the arc in order to transfer the cursor from the node initially holding the cursor to a first node proximate the first failure and reverse links in the arc as appropriate so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic is able to exit the arc.Type: GrantFiled: January 15, 2014Date of Patent: November 1, 2016Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Levy-Abegnoli
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Publication number: 20160218965Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, at least one of the first, second, or third network nodes are implemented as a ring-based network having a prescribed ring topology; and establishing loop-free label switched paths for reaching the destination network node via the routing arcs of the loop-free routing topology, the label switched paths independent and distinct from any attribute of the prescribed ring topology.Type: ApplicationFiled: March 31, 2016Publication date: July 28, 2016Inventors: Pascal THUBERT, Patrice BELLAGAMBA, Dirk ANTEUNIS
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Patent number: 9338086Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, at least one of the first, second, or third network nodes are implemented as a ring-based network having a prescribed ring topology; and establishing loop-free label switched paths for reaching the destination network node via the routing arcs of the loop-free routing topology, the label switched paths independent and distinct from any attribute of the prescribed ring topology.Type: GrantFiled: September 14, 2012Date of Patent: May 10, 2016Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis
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Patent number: 9246794Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology for reaching a destination device, the loop-free routing topology comprising distinct paths for reaching the destination device; generating a set of serialized representations describing the loop-free routing topology, each serialized representation describing a corresponding one of the paths; and propagating the set of serialized representations from the destination device to network nodes in the computing network, enabling the network nodes to establish loop-free label switched paths for reaching the destination device via the loop-free routing topology.Type: GrantFiled: August 3, 2012Date of Patent: January 26, 2016Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Michel Levy-Abegnoli
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Publication number: 20150263936Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Inventors: Pascal THUBERT, Patrice BELLAGAMBA, Dirk ANTEUNIS, Eric Michel LEVY-ABEGNOLI
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Patent number: 9088502Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and causing the network traffic to be forwarded along at least one of the routing arcs to the destination device.Type: GrantFiled: May 23, 2011Date of Patent: July 21, 2015Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Michel Levy-Abegnoli
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Publication number: 20150163091Abstract: A network includes multiple routing arcs for routing network traffic to a destination. Each arc comprising nodes connected in sequence by reversible links oriented away from a node initially holding a cursor toward one of first and second edge nodes through which the network traffic exits the arc. Each node includes a network device. The nodes in the arc detect a first failure in the arc. Responsive to the detecting the first failure, the nodes exchange first management frames over a data plane within the arc in order to transfer the cursor from the node initially holding the cursor to a first node proximate the first failure and reverse links in the arc as appropriate so that the network traffic in the arc is directed away from the first failure toward the first edge node of the arc through which the network traffic is able to exit the arc.Type: ApplicationFiled: January 15, 2014Publication date: June 11, 2015Applicant: Cisco Technology, Inc.Inventors: Pascal Thubert, Patrice Bellagamba, Dirk Anteunis, Eric Levy-Abegnoli
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Publication number: 20150036507Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and load balancing the network traffic along the routing arcs based on traffic metrics obtained at the first and second ends of the routing arcs, including selectively sending a backpressure command to a first one of the routing arcs supplying at least a portion of the network traffic to a congested one of the routing arcs.Type: ApplicationFiled: October 20, 2014Publication date: February 5, 2015Inventors: PASCAL THUBERT, DIRK ANTEUNIS, ERIC MICHEL LEVY-ABEGNOLI, PATRICE BELLAGAMBA
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Patent number: 8897135Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination device, each routing arc comprising a first network device as a first end of the routing arc, a second network device as a second end of the routing arc, and at least a third network device configured for routing any network traffic along the routing arc toward the destination device via any one of the first or second ends of the routing arc; and load balancing the network traffic along the routing arcs based on traffic metrics obtained at the first and second ends of the routing arcs, including selectively sending a backpressure command to a first one of the routing arcs supplying at least a portion of the network traffic to a congested one of the routing arcs.Type: GrantFiled: February 10, 2012Date of Patent: November 25, 2014Assignee: Cisco Technology, Inc.Inventors: Pascal Thubert, Dirk Anteunis, Eric Michel Levy-Abegnoli, Patrice Bellagamba
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Publication number: 20140078927Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology comprising a plurality of routing arcs for reaching a destination network node, each routing arc comprising a first network node as a first end of the routing arc, a second network node as a second end of the routing arc, and at least a third network node configured for routing any network traffic along the routing arc toward the destination node via any one of the first or second ends of the routing arc, at least one of the first, second, or third network nodes are implemented as a ring-based network having a prescribed ring topology; and establishing loop-free label switched paths for reaching the destination network node via the routing arcs of the loop-free routing topology, the label switched paths independent and distinct from any attribute of the prescribed ring topology.Type: ApplicationFiled: September 14, 2012Publication date: March 20, 2014Applicant: CISCO TECHNOLOGY, INC.Inventors: Pascal THUBERT, Patrice BELLAGAMBA, Dirk ANTEUNIS
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Publication number: 20140036729Abstract: In one embodiment, a method comprises creating, in a computing network, a loop-free routing topology for reaching a destination device, the loop-free routing topology comprising distinct paths for reaching the destination device; generating a set of serialized representations describing the loop-free routing topology, each serialized representation describing a corresponding one of the paths; and propagating the set of serialized representations from the destination device to network nodes in the computing network, enabling the network nodes to establish loop-free label switched paths for reaching the destination device via the loop-free routing topology.Type: ApplicationFiled: August 3, 2012Publication date: February 6, 2014Applicant: CISCO TECHNOLOGY, INC.Inventors: Pascal THUBERT, Patrice BELLAGAMBA, Dirk ANTEUNIS, Eric Michel LEVY-ABEGNOLI