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    Method of establishing relationships between sets of label switched paths and virtual networks
    1.
    发明授权
    Method of establishing relationships between sets of label switched paths and virtual networks 有权

    公开(公告)号：US10812340B2

    公开(公告)日：2020-10-20

    申请号：US16223879

    申请日：2018-12-18

    Applicant: FUTUREWEI TECHNOLOGIES, INC.

    Inventor： Young Lee ,  Dhruv Dhody

    IPC: G06F15/16 ,  H04L12/24 ,  H04L12/46 ,  H04L12/715 ,  H04L12/723

    Abstract: A method for establishing end-to-end tunnels extending across multiple domains using a network element. The method includes receiving a request from a customer controller to implement a virtual network (VN) created by the customer controller, wherein the VN identifies the end-to-end tunnels extending across the multiple domains, mapping the VN to available resources based on network constraints in response to the request, and transmitting, after the VN has been mapped, a message to a network controller managing one of the domains that includes a network path used to form a portion of one of the end-to-end tunnels, wherein the message includes an association object having a Type-Length-Value (TLV) field containing a virtual network identifier binding the network path to the VN.

    Stitching Multi-Domain LSPs In Hierarchical SDN Architecture
    2.
    发明申请
    Stitching Multi-Domain LSPs In Hierarchical SDN Architecture 审中-公开

    公开(公告)号：US20190068403A1

    公开(公告)日：2019-02-28

    申请号：US15689869

    申请日：2017-08-29

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  James N. Guichard ,  Dhruv Dhody

    IPC: H04L12/46 ,  H04L12/24

    CPC classification number: H04L12/4633 ,  H04L12/4641 ,  H04L41/12 ,  H04L45/00

    Abstract: A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using a first network controller element managing a first domain is provided. The method includes receiving a request from a second network controller element managing the first network controller element for an intra-domain locally-learned tunnel identifier (LLTI), sending an instruction to an egress network element of the first domain to generate the intra-domain LLTI in accordance with the request, receiving the intra-domain LLTI from the egress network element in accordance with the instruction, and sending the intra-domain LLTI to an ingress network element of the first domain. A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using an inter-domain LLTI is provided.

    Method of establishing relationships between sets of label switched paths and virtual networks
    3.
    发明授权
    Method of establishing relationships between sets of label switched paths and virtual networks 有权

    公开(公告)号：US11271817B2

    公开(公告)日：2022-03-08

    申请号：US17074456

    申请日：2020-10-19

    Applicant: FUTUREWEI TECHNOLOGIES, INC.

    Inventor： Young Lee ,  Dhruv Dhody

    IPC: G06F15/16 ,  H04L41/12 ,  H04L12/46 ,  H04L45/00 ,  H04L41/5051 ,  H04L45/50 ,  H04L41/50

    Abstract: A method for establishing end-to-end tunnels extending across multiple domains using a network element. The method includes receiving a request from a customer controller to implement a virtual network (VN) created by the customer controller, wherein the VN identifies the end-to-end tunnels extending across the multiple domains, mapping the VN to available resources based on network constraints in response to the request, and transmitting, after the VN has been mapped, a message to a network controller managing one of the domains that includes a network path used to form a portion of one of the end-to-end tunnels, wherein the message includes an association object having a Type-Length-Value (TLV) field containing a virtual network identifier binding the network path to the VN.

    Method of Establishing Relationships Between Sets of Label Switched Paths and Virtual Networks
    4.
    发明申请
    Method of Establishing Relationships Between Sets of Label Switched Paths and Virtual Networks 有权

    公开(公告)号：US20210036931A1

    公开(公告)日：2021-02-04

    申请号：US17074456

    申请日：2020-10-19

    Applicant: FUTUREWEI TECHNOLOGIES, INC.

    Inventor： Young Lee ,  Dhruv Dhody

    IPC: H04L12/24 ,  H04L12/46 ,  H04L12/715 ,  H04L12/723

    Abstract: A method for establishing end-to-end tunnels extending across multiple domains using a network element. The method includes receiving a request from a customer controller to implement a virtual network (VN) created by the customer controller, wherein the VN identifies the end-to-end tunnels extending across the multiple domains, mapping the VN to available resources based on network constraints in response to the request, and transmitting, after the VN has been mapped, a message to a network controller managing one of the domains that includes a network path used to form a portion of one of the end-to-end tunnels, wherein the message includes an association object having a Type-Length-Value (TLV) field containing a virtual network identifier binding the network path to the VN.

    Stitching multi-domain LSPs in hierarchical SDN architecture
    5.
    发明授权
    Stitching multi-domain LSPs in hierarchical SDN architecture 有权

    公开(公告)号：US10374831B2

    公开(公告)日：2019-08-06

    申请号：US15689869

    申请日：2017-08-29

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  James N. Guichard ,  Dhruv Dhody

    IPC: H04L12/46 ,  H04L12/24 ,  H04L12/701

    Abstract: A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using a first network controller element managing a first domain is provided. The method includes receiving a request from a second network controller element managing the first network controller element for an intra-domain locally-learned tunnel identifier (LLTI), sending an instruction to an egress network element of the first domain to generate the intra-domain LLTI in accordance with the request, receiving the intra-domain LLTI from the egress network element in accordance with the instruction, and sending the intra-domain LLTI to an ingress network element of the first domain. A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using an inter-domain LLTI is provided.

    Method of establishing relationships between sets of label switched paths and virtual networks
    9.
    发明授权
    Method of establishing relationships between sets of label switched paths and virtual networks 有权

    公开(公告)号：US10200253B2

    公开(公告)日：2019-02-05

    申请号：US15346423

    申请日：2016-11-08

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Dhruv Dhody

    IPC: G06F15/16 ,  H04L12/24 ,  H04L12/46 ,  H04L12/723

    Abstract: A method for establishing end-to-end tunnels extending across multiple domains using a network element. The method includes receiving a request from a customer controller to implement a virtual network (VN) created by the customer controller, wherein the VN identifies the end-to-end tunnels extending across the multiple domains, mapping the VN to available resources based on network constraints in response to the request, and transmitting, after the VN has been mapped, a message to a network controller managing one of the domains that includes a network path used to form a portion of one of the end-to-end tunnels, wherein the message includes an association object having a Type-Length-Value (TLV) field containing a virtual network identifier binding the network path to the VN.

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