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    Multicast datapath tracing in layer-2 networks
    2.
    发明授权
    Multicast datapath tracing in layer-2 networks 有权

    公开(公告)号：US12132643B1

    公开(公告)日：2024-10-29

    申请号：US18211467

    申请日：2023-06-19

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Tathagata Nandy ,  Subramanian Muthukumar

    IPC: G06F15/16 ,  H04L45/00 ,  H04L45/16 ,  H04L45/42

    CPC classification number: H04L45/16 ,  H04L45/42 ,  H04L45/566

    Abstract: During operation, a layer-3 (L3) router can receive a trace query to trace multicast paths associated with a multicast group. In response to detecting a layer-2 (L2) switch coupled to the L3 router, the L3 router can construct a request packet and send the request packet to the coupled L2 switch. The request packet comprises a first data block indicating that the request packet is an L2 multicast trace request, thereby causing the L2 switch to propagate the request packet to downstream L2 switches until the request packet reaches a last-hop L2 switch. The L3 router can receive, from the last-hop L2 switch, a reply packet responsive to the L2 multicast trace request, the reply packet comprising one or more data blocks, with each data block comprising information about an L2 switch or client device present on a traversed multicast path for the multicast group.

    FORWARDING METHOD, FORWARDING SYSTEM, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM
    6.
    发明公开
    FORWARDING METHOD, FORWARDING SYSTEM, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM 审中-公开

    公开(公告)号：US20240291748A1

    公开(公告)日：2024-08-29

    申请号：US18568934

    申请日：2022-05-30

    Applicant: ZTE Corporation

    Inventor： Benchong XU ,  Zheng ZHANG

    IPC: H04L45/16 ,  H04L45/00 ,  H04L45/17 ,  H04L45/50

    CPC classification number: H04L45/16 ,  H04L45/17 ,  H04L45/34 ,  H04L45/507

    Abstract: Embodiments of the present disclosure relate to the technical field of communications, and in particular, to a forwarding method, a forwarding system, an electronic device, and a computer-readable storage medium. The forwarding method includes: acquiring a packet to be forwarded, and detecting whether the packet to be forwarded contains a preset indicator, wherein the preset indicator is used for indicating that the packet to be forwarded has a designated forwarding path; when the packet to be forwarded contains the preset indicator, acquiring information of a protocol header following a Bit Indexed Explicit Replication (BIER) header of the packet to be forwarded, wherein the information of the protocol header is at least used for indicating the designated forwarding path; determining a next hop according to the information of the protocol header; and forwarding the packet to be forwarded according to the next hop.

    MULTICAST PATH TRACES
    9.
    发明公开
    MULTICAST PATH TRACES 审中-公开

    公开(公告)号：US20240214295A1

    公开(公告)日：2024-06-27

    申请号：US18088239

    申请日：2022-12-23

    Applicant: Cisco Technology, Inc.

    Inventor： Mankamana Prasad Mishra ,  Lukas KRATTIGER ,  Nitin KUMAR

    IPC: H04L45/02 ,  H04L45/00 ,  H04L45/16

    CPC classification number: H04L45/02 ,  H04L45/16 ,  H04L45/26

    Abstract: In one embodiment, a device may receive a multicast path trace request for a multicast tree, wherein the device is a mid-node in the multicast tree. The device may perform, based on the device being a mid-node in the multicast tree, an upstream trace of network topology of the multicast tree from the device to a head-node of the multicast tree and a downstream trace of network topology of the multicast tree from the device to at least one tail-node. The device may generate an end-to-end visible topology of the multicast tree based on the upstream trace and the downstream trace. The device may provide the end-to-end visible topology of the multicast tree to an observability manager.

    Method for distributing content, electronic device, and computer program product
    10.
    发明授权
    Method for distributing content, electronic device, and computer program product 有权

    公开(公告)号：US12010009B2

    公开(公告)日：2024-06-11

    申请号：US17397048

    申请日：2021-08-09

    Applicant: EMC IP Holding Company LLC

    Inventor： Wenbin Yang ,  Jiacheng Ni ,  Zhen Jia

    IPC: H04L45/16

    CPC classification number: H04L45/16

    Abstract: Embodiments of the present disclosure relate to a method for distributing content, an electronic device, and a computer program product. The method for distributing content provided in embodiments of the present disclosure includes acquiring neighboring topological information of a plurality of nodes in a collaborative storage network, the plurality of nodes being used for collaboratively storing a plurality of contents requested by a client, the neighboring topological information at least indicating a one-hop relationship between directly connected one-hop node pairs among the plurality of nodes and a two-hop relationship between two-hop node pairs connected via an intermediate node among the plurality of nodes; determining a potential cost of transmitting a plurality of to-be-distributed contents among the plurality of nodes based on the neighboring topological information; and distributing a target content among the plurality of contents to a node among the plurality of nodes based on the potential cost.

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