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    Simple topology transparent zoning in network communications
    21.
    发明授权
    Simple topology transparent zoning in network communications 有权
    网络通信中的简单拓扑透明分区

    公开(公告)号：US08976711B2

    公开(公告)日：2015-03-10

    申请号：US13646481

    申请日：2012-10-05

    Applicant: Futurewei Technologies, Inc.

    Inventor： Renwei Li ,  Huaimo Chen

    IPC: H04L12/28 ,  H04W4/00 ,  H04L12/751

    CPC classification number: H04L45/025

    Abstract: An autonomous system (AS) comprising a topology transparent zone (TTZ) comprising a plurality of TTZ nodes, wherein the plurality of TTZ nodes includes an edge node and an internal node, wherein each of the plurality of TTZ nodes is configured to connect to another TTZ node via an internal link, and a plurality of neighboring external nodes connected to the TTZ edge nodes via a plurality of external links, wherein no link state advertisements (LSAs) describing the internal links are distributed to the neighboring external nodes.

    Abstract translation: 包括包括多个TTZ节点的拓扑透明区域（TTZ）的自治系统（AS），其中所述多个TTZ节点包括边缘节点和内部节点，其中所述多个TTZ节点中的每一个被配置为连接到另一个TTZ节点 经由内部链路的TTZ节点和经由多个外部链路连接到TTZ边缘节点的多个相邻外部节点，其中没有描述内部链路的链路状态通告（LSA）被分发到相邻的外部节点。

    Constructing A Topology-Transparent Zone
    22.
    发明申请
    Constructing A Topology-Transparent Zone 有权
    构建拓扑透明区域

    公开(公告)号：US20140241372A1

    公开(公告)日：2014-08-28

    申请号：US14188080

    申请日：2014-02-24

    Applicant: Futurewei Technologies, Inc.

    Inventor： Huaimo Chen ,  Renwei Li

    IPC: H04L12/751

    CPC classification number: H04L45/02

    Abstract: A network node used to construct a topology-transparent zone (TTZ). The network node may obtain a TTZ identifier (ID) that is uniquely associated with a TTZ. Additionally, the network node may obtain a first link that couples the network node to a second network node that is also assigned the TTZ ID and a second link that couples the network node to a third network node that is not assigned the TTZ ID. The network node may generate a router information (RI) link-state advertisement (LSA) that indicates whether the network node is a TTZ edge node or a TTZ internal node and that indicates the TTZ associated with the TTZ. The network node may distribute the RI LSA to the second network node that is also assigned the TTZ ID using the first link.

    Abstract translation: 用于构建拓扑透明区域（TTZ）的网络节点。 网络节点可以获得与TTZ唯一相关联的TTZ标识符（ID）。 此外，网络节点可以获得将网络节点耦合到也被分配了TTZ ID的第二网络节点的第一链路和将网络节点耦合到未分配TTZ ID的第三网络节点的第二链路。 网络节点可以生成指示网络节点是TTZ边缘节点还是TTZ内部节点并且指示与TTZ相关联的TTZ的路由器信息（RI）链路状态通告（LSA）。 网络节点可以使用第一链路将RI LSA分发到也被分配了TTZ ID的第二网络节点。

    Providing PIM-SSM Support for mRSVP-TE Based Multicast Virtual Private Networks
    23.
    发明申请
    Providing PIM-SSM Support for mRSVP-TE Based Multicast Virtual Private Networks 有权
    为基于mRSVP-TE的多播虚拟专用网络提供PIM-SSM支持

    公开(公告)号：US20140003245A1

    公开(公告)日：2014-01-02

    申请号：US13931548

    申请日：2013-06-28

    Applicant: Futurewei Technologies, Inc.

    Inventor： Lin Han ,  Renwei Li ,  Katherine Zhao

    IPC: H04L12/927

    CPC classification number: H04L47/806 ,  H04L47/724

    Abstract: In a receiver provider edge (PE) router, a method for supporting protocol independent multicast source-specific mode (PIM-SSM) using multicast resource reservation protocol-traffic engineering (mRSVP-TE) comprising the steps of receiving a protocol independent multicast (PIM) join message, in response to receiving the PIM join message sending a path message to a source PE router, wherein the path message is a multicast resource reservation protocol-traffic engineering (mRSVP-TE) message, and sending the PIM join message to the source PE router, wherein the path message and the PIM join message trigger setup of a data multicast data tree (MDT), creating a PIM state, and receiving multicast data traffic via the data MDT using the PIM state.

    Abstract translation: 在接收机提供商边缘（PE）路由器中，使用组播资源预留协议流量工程（mRSVP-TE）支持协议独立的组播源特定模式（PIM-SSM）的方法，包括以下步骤：接收协议独立组播 ）加入消息，响应于接收向源PE路由器发送路径消息的PIM加入消息，其中路径消息是组播资源预留协议流量工程（mRSVP-TE）消息，并且向PIM发送PIM加入消息 源PE路由器，其中路径消息和PIM加入消息触发数据组播数据树（MDT）的建立，创建PIM状态，并且通过使用PIM状态的数据MDT接收组播数据业务。

    mRSVP-TE Based Fast Reroute in Facility (1:N) Protection Mode
    24.
    发明申请
    mRSVP-TE Based Fast Reroute in Facility (1:N) Protection Mode 有权
    基于mRSVP-TE的快速重路由（1：N）保护模式

    公开(公告)号：US20130336192A1

    公开(公告)日：2013-12-19

    申请号：US13918373

    申请日：2013-06-14

    Applicant: Futurewei Technologies, Inc.

    Inventor： Katherine Zhao ,  Ying Chen ,  Qianglin Quintin Zhao ,  Tao Zhou ,  Renwei Li ,  Lin Han

    IPC: H04L12/18

    CPC classification number: H04L12/1863 ,  H04L45/16 ,  H04L45/22 ,  H04L45/28 ,  H04L45/50 ,  H04L47/15 ,  H04L47/724 ,  H04W4/06 ,  H04W72/005

    Abstract: An apparatus comprising a memory, and a processor coupled to the memory and configured to transmit a backup Label Switched Path (LSP) multicast Resource Reservation Protocol-Traffic Engineering (mRSVP-TE) path request (PATH) message upstream, wherein the backup LSP PATH message requests reservation of a first backup LSP to protect a first primary LSP configured to transmit multicast data, and wherein the backup LSP PATH message is transmitted to support a facility mode one to many (1:N) fast reroute protocol.

    Abstract translation: 一种包括存储器和处理器的装置，所述处理器耦合到所述存储器并且被配置为在上游传输备用标签交换路径（LSP）组播资源预留协议 - 流量工程（mRSVP-TE）路径请求（PATH））消息，其中所述备份LSP路径 消息请求预留第一备份LSP以保护被配置为传送多播数据的第一主LSP，并且其中备份LSP PATH消息被发送以支持设施模式一对多（1：N）快速重路由协议。

    EXPLICIT ROUTING WITH NETWORK FUNCTION ENCODING
    27.
    发明申请
    EXPLICIT ROUTING WITH NETWORK FUNCTION ENCODING 有权

    公开(公告)号：US20210243107A1

    公开(公告)日：2021-08-05

    申请号：US17080447

    申请日：2020-10-26

    Applicant: Futurewei Technologies, Inc.

    Inventor： Alvaro Retana ,  Renwei Li ,  Yingzhen Qu

    IPC: H04L12/751 ,  H04L12/715 ,  H04L12/717

    Abstract: A method of routing a data packet through a network comprises updating at least one router local forwarding table to include path IDs of network segments defining paths between network nodes and network function bit encoding/decoding information. In response to a data packet arriving at an ingress network node, an encapsulation header including a path ID identifying at least one network segment of an explicit routing path and a bit encoding specifying network functions to be performed on the data packet are encapsulated in unused portions of the source address and/or the destination address in the encapsulation header. A network node in the explicit routing path performs a network function encoded in the source address and/or the destination address of the encapsulation header of the data packet and forwards the data packet based on network function bit encoding/decoding and path ID information in the network node's local updated local forwarding table.

    Scaling cloud rendezvous points in a hierarchical and distributed manner
    29.
    发明授权
    Scaling cloud rendezvous points in a hierarchical and distributed manner 有权

    公开(公告)号：US10250717B2

    公开(公告)日：2019-04-02

    申请号：US16171745

    申请日：2018-10-26

    Applicant: Futurewei Technologies, Inc.

    Inventor： Kiran Makhijani ,  Renwei Li

    IPC: H04L29/08 ,  H04L29/06 ,  G06F9/455 ,  H04L12/701

    Abstract: A method implemented in an inter-provider cloud rendezvous point (CRP-IP). The method includes receiving, via a receiver of the CRP-IP, a Register request from a first service provider cloud rendezvous point (CRP-SP) in a first service provider (SP) network domain, the Register request indicating a first portion of a virtual extensible network (VXN) with a global scope is hosted by the first SP network domain; and transmitting, via a transmitter of the CRP-IP, a Report message to a second CRP-SP in a second SP network domain hosting a second portion of the VXN, the Report message indicating the first portion of the VXN is hosted by the first SP network domain.

    Extending OpenFlow to support packet encapsulation for transport over software-defined networks
    30.
    发明授权
    Extending OpenFlow to support packet encapsulation for transport over software-defined networks 有权

    公开(公告)号：US09843504B2

    公开(公告)日：2017-12-12

    申请号：US14455735

    申请日：2014-08-08

    Applicant: Futurewei Technologies, Inc.

    Inventor： Lin Han ,  Renwei Li

    IPC: H04L12/721 ,  H04L29/06 ,  H04L12/935 ,  H04L12/851

    CPC classification number: H04L45/38 ,  H04L47/2483 ,  H04L49/3009 ,  H04L69/22

    Abstract: A method for controlling a data flow in a domain of an OpenFlow protocol controlled software-defined network (SDN) comprising receiving a request from a network element for instructions to route the data flow through the OpenFlow SDN, determining a route for the data flow through the OpenFlow SDN, transmitting a unified header to the network element in the OpenFlow SDN, wherein the unified header facilitates transmission of data flows through the OpenFlow SDN that are encoded according to a plurality of network abstraction types, and transmitting instructions for forwarding the data flow along the route through the OpenFlow SDN, wherein the instructions for forwarding the data flow along the route through the OpenFlow SDN comprise one or more match fields, one or more mask values corresponding to the match fields, and one or more actions for the network element in the OpenFlow SDN to perform on the data flow.

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