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    Distributed constrained tree formation for deterministic multicast
    44.
    发明授权
    Distributed constrained tree formation for deterministic multicast 有权

    公开(公告)号：US10652135B2

    公开(公告)日：2020-05-12

    申请号：US15216007

    申请日：2016-07-21

    Applicant: Cisco Technology, Inc.

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

    IPC: H04L12/727 ,  H04L12/753 ,  H04L12/751 ,  H04L12/721 ,  H04L29/06 ,  H04L12/725

    Abstract: In one embodiment, a multicast listener device floods a path lookup request to search for a multicast tree, and may then receive path lookup responses from candidate nodes on the multicast tree, where each of the path lookup responses indicates a unicast routing cost from a respective candidate node to the multicast listener device, and where each of the candidate nodes is configured to suppress a path lookup response if a total path latency from a source of the multicast tree to the multicast listener device via that respective candidate node is greater than a maximum allowable path latency. The multicast listener device may then select a particular candidate node as a join point for the multicast tree based on the particular node having a lowest associated unicast routing cost to the multicast listener device from among the candidate nodes, and joins the multicast tree at the selected join point.

    Clock harmonization in deterministic networks
    45.
    发明授权
    Clock harmonization in deterministic networks 有权

    公开(公告)号：US10348481B1

    公开(公告)日：2019-07-09

    申请号：US15966131

    申请日：2018-04-30

    Applicant: Cisco Technology, Inc.

    Inventor： Patrick Wetterwald ,  Pascal Thubert ,  Eric Levy-Abegnoli

    IPC: H04L7/00

    Abstract: In one embodiment, a device in a network receives a plurality of packets from one or more neighbors of the device. Each of the packets has a scheduled delivery time interval according to a deterministic communication schedule. The device determines an amount of clock drift for each of the one or more neighbors of the device by comparing arrival times of the received packets to their scheduled delivery time intervals according to the deterministic communication schedule. The device calculates a clock adjustment based on the amount of clock drift for each of the one or more neighbors. The device adjusts a clock of the device using the calculated clock adjustment.

    Virtual access point (VAP) formation
    47.
    发明授权
    Virtual access point (VAP) formation 有权

    公开(公告)号：US10225789B2

    公开(公告)日：2019-03-05

    申请号：US15491203

    申请日：2017-04-19

    Applicant: Cisco Technology, Inc.

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

    IPC: H04W48/14 ,  H04L1/18 ,  H04W24/02

    Abstract: In one embodiment, a supervisory device in a network receives from a plurality of access points (APs) in the network data regarding a network availability request broadcast by a node seeking to access the network and received by the APs in the plurality. The supervisory device uniquely associates the node with a virtual access point (VAP) for the node and forms a VAP mapping between the VAP for the node and a set of the APs in the plurality selected based on the received data regarding the network availability request. One of the APs in the mapping is designated as a primary access point for the node. The supervisory device instructs the primary AP to send a network availability response to the node that includes information for the VAP. The node uses the information for the VAP to access the network via the set of APs in the VAP mapping.

    Device profiling for isolation networks
    48.
    发明授权
    Device profiling for isolation networks 有权

    公开(公告)号：US10212182B2

    公开(公告)日：2019-02-19

    申请号：US15485680

    申请日：2017-04-12

    Applicant: Cisco Technology, Inc.

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

    IPC: H04L29/06 ,  H04L12/46 ,  G06N99/00

    Abstract: In one embodiment, a server instructs one or more networking devices in a local area network (LAN) to form virtual network overlay in the LAN that redirects traffic associated with a particular node in the LAN to the server. The server receives the redirected traffic associated with the particular node. The server determines a node profile for the particular node based in part on an analysis of the redirected traffic. The server configures the particular node based on the determined node profile for the particular node.

    Time-based traffic engineering for seasonal flows in a network
    50.
    发明授权
    Time-based traffic engineering for seasonal flows in a network 有权

    公开(公告)号：US10097471B2

    公开(公告)日：2018-10-09

    申请号：US14876000

    申请日：2015-10-06

    Applicant: Cisco Technology, Inc.

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

    IPC: H04L12/851 ,  H04L12/911

    Abstract: In one embodiment, a device in a network receives information regarding one or more traffic flows in the network. The device identifies a particular one of the one or more traffic flows as a seasonal traffic flow based on the information regarding the one or more traffic flows. The device determines whether a service level agreement associated with the seasonal traffic flow is met. The device causes a time-based path for the seasonal traffic flow to be provisioned, in response to a determination that the service level agreement associated with the seasonal traffic flow is not met.

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