公开(公告)号：US20180123887A1

公开(公告)日：2018-05-03

申请号：US15599767

申请日：2017-05-19

Applicant: Cisco Technology, Inc.

Inventor： Pascal Thubert ,  Jean-Philippe Vasseur ,  Patrick Wetterwald ,  Eric Levy-Abegnoli

IPC: H04L12/24 ,  H04W72/04 ,  H04L12/911 ,  H04L12/08 ,  H04W84/12

CPC classification number: H04L41/0836 ,  H04L41/0893 ,  H04L41/16 ,  H04L47/828 ,  H04L49/354 ,  H04W84/12 ,  H04W88/08

Abstract: In one embodiment, a supervisory device in a network assigns different access points in the network to different access point groupings. Each of the different access point groupings uses a different network path to communicate with a given endpoint in the network. The supervisory device selects at least one of the access points in each of the different access point groupings for mapping to a virtual access point (VAP) for a node in the network as part of a VAP mapping. The supervisory device instructs the selected access points to form a VAP for the node. The node treats the access points in the VAP mapping as a single access point for purposes of communicating with the network.

公开(公告)号：US20180083862A1

公开(公告)日：2018-03-22

申请号：US15813810

申请日：2017-11-15

Applicant: Cisco Technology, Inc.

Inventor： Pascal Thubert ,  Eric Levy-Abegnoli ,  Patrick Wetterwald ,  Jean-Philippe Vasseur

IPC: H04L12/707 ,  H04L12/933 ,  H04L12/741 ,  H04W40/02 ,  H04L12/751 ,  H04L12/801 ,  H04W36/00 ,  H04W84/18

CPC classification number: H04L45/22 ,  H04L45/02 ,  H04L45/74 ,  H04L47/34 ,  H04L49/1584 ,  H04W36/0011 ,  H04W40/02 ,  H04W84/18

Abstract: In one embodiment, a device in a network receives a notification from a neighbor of the device indicative of a child node of the device requesting a parent change from the device to the neighbor. The device updates an existing routing path from the device to the child node to be routed through the neighbor, in response to receiving the notification from the neighbor. The device receives an instruction to remove the updated routing path from the device to the child node through the neighbor. The device removes the updated routing path from the device to the child node, in response to receiving the instruction to remove the updated routing path.

公开(公告)号：US09923910B2

公开(公告)日：2018-03-20

申请号：US14874591

申请日：2015-10-05

Applicant: Cisco Technology, Inc.

Inventor： Andrea Di Pietro ,  Jean-Philippe Vasseur ,  Javier Cruz Mota

IPC: H04L29/06

CPC classification number: H04L63/1425 ,  H04L63/1416

Abstract: In one embodiment, a device in a network analyzes data regarding a detected anomaly in the network. The device determines whether the detected anomaly is a false positive. The device generates a white label for the detected anomaly based on a determination that the detected anomaly is a false positive. The device causes one or more alerts regarding the detected anomaly to be suppressed using the generated white label for the anomaly.

公开(公告)号：US09923832B2

公开(公告)日：2018-03-20

申请号：US14336175

申请日：2014-07-21

Applicant: Cisco Technology, Inc.

Inventor： Patrick Wetterwald ,  Pascal Thubert ,  Jean-Philippe Vasseur

IPC: H04L12/851 ,  H04L12/813 ,  H04W40/02 ,  H04L12/753

CPC classification number: H04L47/2441 ,  H04L45/48 ,  H04L47/20 ,  H04L47/2483 ,  H04W40/02

Abstract: In one embodiment, a device in a network receives one or more packets that are part of a traffic flow. The device provides a sample packet to a path computation element (PCE) that includes a signature that uniquely identifies the traffic flow. The device receives a traffic flow policy for the traffic flow from a policy engine and enforces the traffic flow policy for the traffic flow.

公开(公告)号：US09906425B2

公开(公告)日：2018-02-27

申请号：US14591072

申请日：2015-01-07

Applicant: Cisco Technology, Inc.

Inventor： Sukrit Dasgupta ,  Jean-Philippe Vasseur ,  Grégory Mermoud

IPC: H04L12/28 ,  H04L12/26

CPC classification number: H04L43/0894 ,  H04L43/0805 ,  H04L43/0852 ,  H04L43/103 ,  H04L43/16

Abstract: In one embodiment, a device in a network receives data indicative of traffic characteristics of traffic associated with a particular application. The device identifies one or more paths in the network via which the traffic associated with the particular application was sent, based on the traffic characteristics. The device determines a probing schedule based on the traffic characteristics. The probing schedule simulates the traffic associated with the particular application. The device sends probes along the one or more identified paths according to the determined probing schedule.

公开(公告)号：US09900342B2

公开(公告)日：2018-02-20

申请号：US14338582

申请日：2014-07-23

Applicant: Cisco Technology, Inc.

Inventor： Javier Cruz Mota ,  Jean-Philippe Vasseur ,  Andrea Di Pietro

IPC: H04L29/06

CPC classification number: H04L63/1458 ,  H04L63/1416

Abstract: In one embodiment, a traffic model manager node receives data flows in a network and determines a degree to which the received data flows conform to one or more traffic models classifying particular types of data flows as non-malicious. If the degree to which the received data flows conform to the one or more traffic models is sufficient, the traffic model manager node characterizes the received data flows as non-malicious. Otherwise, the traffic model manager node provides the received data flows to a denial of service (DoS) attack detector in the network to allow the received data flows to be scanned for potential attacks.

公开(公告)号：US20170324655A1

公开(公告)日：2017-11-09

申请号：US15662117

申请日：2017-07-27

Applicant: Cisco Technology, Inc.

Inventor： Jean-Philippe Vasseur ,  Stefano B. Previdi

IPC: H04L12/723 ,  H04L12/701 ,  H04L12/715

CPC classification number: H04L45/507 ,  H04L45/00 ,  H04L45/04 ,  H04L45/50

Abstract: In one embodiment, a traffic engineering (TE) label switched path (LSP) is established between a head-end node in a local domain and a tail-end node in a remote domain. The TE-LSP spans one or more intervening domains located between the local domain and the remote domain. The head-end node sends a routing information request over the TE-LSP to a target node on the TE-LSP that is in the remote domain. The head end node receives routing information from the target node. The received routing information includes a list of address prefixes reachable by the target node. The head end node uses the received routing information to calculate routes reachable via the TE-LSP to the target node. The calculated routes have a next-hop interface set to be the TE-LSP. The calculated routes are inserted into a routing table of the head-end node.

公开(公告)号：US09813259B2

公开(公告)日：2017-11-07

申请号：US14276310

申请日：2014-05-13

Applicant: Cisco Technology, Inc.

Inventor： Jean-Philippe Vasseur ,  Sukrit Dasgupta

IPC: H04L12/26 ,  H04L12/46 ,  H04L12/825 ,  H04L12/801

CPC classification number: H04L12/4641 ,  H04L43/062 ,  H04L43/0882 ,  H04L43/10 ,  H04L43/12 ,  H04L47/115 ,  H04L47/12 ,  H04L47/25

Abstract: In one embodiment, a time period is identified in which probe packets are to be sent along a path in a network based on predicted user traffic along the path. The probe packets are then sent during the identified time period along the path. Conditions of the network path are monitored during the time period. The rate at which the packets are sent during the time period is dynamically adjusted based on the monitored conditions. Results of the monitored conditions are collected, to determine an available bandwidth limit along the path.

公开(公告)号：US09800493B2

公开(公告)日：2017-10-24

申请号：US14797554

申请日：2015-07-13

Applicant: Cisco Technology, Inc.

Inventor： Jonathan W. Hui ,  Wei Hong ,  Jean-Philippe Vasseur

IPC: H04L12/721 ,  H04L29/06 ,  H04L12/935 ,  H04L29/12

CPC classification number: H04L45/34 ,  H04L49/3009 ,  H04L61/6059 ,  H04L69/22

Abstract: In one embodiment, a data packet message is provided which includes a routing header configured to accommodate both a deterministic source route and a probabilistic source route for encoding a nodal source route. The nodal source route is selectively encoded with one or both of a deterministic source route and a probabilistic source route based upon one or more predetermined criteria.

公开(公告)号：US20170279847A1

公开(公告)日：2017-09-28

申请号：US15154349

申请日：2016-05-13

Applicant: Cisco Technology, Inc.

Inventor： Sukrit Dasgupta ,  Jean-Philippe Vasseur ,  Andrea Di Pietro

IPC: H04L29/06 ,  G06N5/04 ,  G06N99/00 ,  H04L12/931 ,  H04L12/66

Abstract: In one embodiment, a primary networking device in a branch network receives a notification of an anomaly detected by a secondary networking device in the branch network. The primary networking device is located at an edge of the network. The primary networking device aggregates the anomaly detected by the secondary networking device and a second anomaly detected in the network into an aggregated anomaly. The primary networking device associates the aggregated anomaly with a location of the secondary networking device in the branch network. The primary networking device reports the aggregated anomaly and the associated location of the secondary networking device to a supervisory device.