公开(公告)号：US10833986B2

公开(公告)日：2020-11-10

申请号：US16236782

申请日：2018-12-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Junlin Zhang ,  Nan Wu

IPC: H04L12/741 ,  H04L12/725 ,  H04L12/715

Abstract: A service function chaining (SFC)-based packet forwarding method, an apparatus, and a system, where the packet forwarding method includes receiving, by a first service function forwarding node, a packet forwarding rule from a control node, where the packet forwarding rule indicating a mapping relationship between a match item of traffic characteristic information of a packet and route prefix information, receiving, by the first service function forwarding node, a first packet, where a header of the first packet carries traffic characteristic information of the first packet, determining, by the first service function forwarding node based on the packet forwarding rule, target route prefix information corresponding to the traffic characteristic information of the first packet, determining, by the first service function forwarding node, target next-hop information based on the target route prefix information, and forwarding the first packet based on the target next-hop information.

公开(公告)号：US10826846B2

公开(公告)日：2020-11-03

申请号：US15412890

申请日：2017-01-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Zhenbin Li ,  Baohua Song ,  Yuanbin Yin ,  Guoyi Chen

IPC: H04L12/947 ,  H04L12/24 ,  H04L12/46 ,  H04L29/08 ,  H04L12/715

Abstract: A Border Gateway Protocol Monitoring Protocol (BMP) module sends to a Border Gateway Protocol (BGP) module a request for acquiring a capability information set; the BGP module traverses BGP capability data stored in the BGP module to acquire all BGP capability data configured in the network device and sends all the BGP capability to the BMP module; and the BMP module sends to the monitoring server an initial capability information set message carrying all the BGP capability data and a device identifier of the network device. By means of capability extension of a network device, the network device can acquire, through interaction between a BGP module and a BMP module, all BGP capabilities configured in the network device and send all the BGP capabilities to a monitoring server, so that the monitoring server can fully understand actual capability supported by the entire network, further providing an effective basis for deployment of and decision on the entire network.

公开(公告)号：US10812368B2

公开(公告)日：2020-10-20

申请号：US15094621

申请日：2016-04-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Changjiang Yan ,  Fengqing Yu ,  Fei Chen ,  Lili Wang ,  Yuanbin Ouyang

IPC: H04L12/715 ,  H04L12/751 ,  H04L12/721 ,  H04L12/717 ,  H04L12/733

Abstract: The present disclosure discloses a method and an apparatus for controlling a network traffic path. The method includes: receiving routing advertisement information from a first network to a second network; determining all routing nodes included in a path through which data pass when flowing from the second network to the first network according to the routing advertisement information; and configuring a next hop routing node for each determined routing node, where the next hop routing node is a node in all the routing nodes included in the path and is adjacent to the routing node for which the next hop routing node is configured, and the routing node for which the next hop routing node is configured does not include a routing node of the first network or a routing node of the second network.

公开(公告)号：US10764173B2

公开(公告)日：2020-09-01

申请号：US15862918

申请日：2018-01-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Zhou ,  Yi Xiong ,  Shunwan Zhuang ,  Changjiang Yan

IPC: H04L12/721 ,  H04L12/715 ,  H04L12/751 ,  H04L12/803 ,  H04L12/741

Abstract: A controller, including a processor and a non-transitory computer-readable storage medium storing a program to be executed by the processor for managing a first autonomous system (AS), the program including instructions to receive a first Border Gateway Protocol (BGP) routing message, determine a destination node, the destination node belonging to the first AS, determine, according to a node that sends the first BGP routing message, whether to perform incoming-traffic adjustment and control, allocate a source node from a second AS directly connected to the first AS, obtain a preferred path between the source and destination nodes according to a network topology, determine a first BR and a second BR on the preferred path, and send a routing control message to a specified BR belonging to the first AS instructing the specified BR to use the first BR as a next hop for packet forwarding of the second BR.

公开(公告)号：US10749804B2

公开(公告)日：2020-08-18

申请号：US15989199

申请日：2018-05-25

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shunwan Zhuang ,  Shuanglong Chen ,  Zhenbin Li ,  Guoyi Chen ,  Jia Che ,  Nan Wu

IPC: H04L12/803 ,  H04L12/707 ,  H04L12/721 ,  H04L12/743 ,  H04L12/911 ,  H04L12/723

Abstract: The present disclosure discloses a method and an apparatus for implementing load sharing. The method includes: for a congested first link on a first forwarding node, selecting, by a network device, a packet flow forwarded by using the first link; selecting a second link that may be used to forward the packet flow and that is not congested after available bandwidth of the second link is occupied by the packet flow, where the second link is a link between the first forwarding node and a second forwarding node; selecting a first hash gene corresponding to the second link; determining that a third link is not in a congested state after available bandwidth of the third link is occupied by the packet flow; and saving the first hash gene in a source node of the packet flow, where the third link is a link that is on the second forwarding node.

公开(公告)号：US10560456B2

公开(公告)日：2020-02-11

申请号：US15829966

申请日：2017-12-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shunwan Zhuang ,  Peng Zhou ,  Zhenbin Li ,  Yuanbin Yin ,  Jianbin Xu

IPC: H04L29/06

Abstract: The present disclosure provides a method, an apparatus, and a system for collecting an access control list. A second network device receives a first LSA packet flooded by a first network device, where the first LSA packet includes a first network device identifier and first ACL information, and the first network device and the second network device belong to a same IGP area; and sends an extended first BGP-LS packet to a controller, where the extended first BGP-LS packet includes the first network device identifier and the first ACL information, so that the controller can collect ACL information of the first network device and manage the ACL information of the first network device.

公开(公告)号：US20190297001A1

公开(公告)日：2019-09-26

申请号：US16427557

申请日：2019-05-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haijun Xu ,  Shunwan Zhuang ,  Haibo Wang

IPC: H04L12/715 ,  H04L12/66 ,  H04L12/705 ,  H04L29/06

Abstract: A method includes: establishing, by a first network device, a first BMP session with a second network device, and establishing a second BMP session with a third network device; receiving a first BGP route set sent by the second network device, where the first BGP route set includes a BGP route sent by the second network device to the third network device; receiving a second BGP route set sent by the third network device, where the second BGP route set includes the BGP route received by the third network device from the second network device; and when detecting that the second BGP route set includes a first BGP route but the first BGP route set does not include the first BGP route, determining the first BGP route as an unavailable route.

公开(公告)号：US20180131604A1

公开(公告)日：2018-05-10

申请号：US15862918

申请日：2018-01-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Zhou ,  Yi Xiong ,  Shunwan Zhuang ,  Changjiang Yan

IPC: H04L12/721 ,  H04L12/803 ,  H04L12/751

Abstract: A controller, including a processor and a non-transitory computer-readable storage medium storing a program to be executed by the processor for managing a first autonomous system (AS), the program including instructions to receive a first Border Gateway Protocol (BGP) routing message, determine a destination node, the destination node belonging to the first AS, determine, according to a node that sends the first BGP routing message, whether to perform incoming-traffic adjustment and control, allocate a source node from a second AS directly connected to the first AS, obtain a preferred path between the source and destination nodes according to a network topology, determine a first BR and a second BR on the preferred path, and send a routing control message to a specified BR belonging to the first AS instructing the specified BR to use the first BR as a next hop for packet forwarding of the second BR.

公开(公告)号：US20160149803A1

公开(公告)日：2016-05-26

申请号：US15010834

申请日：2016-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Chang Wang ,  Yuanbin Ouyang ,  Fengqing Yu

IPC: H04L12/707 ,  H04L12/803 ,  H04L12/751

CPC classification number: H04L45/22 ,  H04L12/6418 ,  H04L45/02 ,  H04L47/122

Abstract: Embodiments of the present invention provide a route advertisement method, and controller, where the method is applied to a BGP-based routing network, a physical controller in the routing network is connected to multiple physical routers, and the method includes: receiving, by the physical controller, routing information reported by at least one physical router; obtaining a traffic path in which the at least one physical router is used as an egress router to transmit traffic to a destination router; generating a route for a physical router in the traffic path; and delivering the generated route to a corresponding physical router. In these embodiments, it is avoided that congestion occurs at an egress router, and a router that receives the traffic may generate a route for the router according to the traffic path so as to transmit the traffic to a next-hop router of the router without a need of recalculation.

Abstract translation: 本发明的实施例提供了一种路由发布方法和控制器，其中该方法应用于基于BGP的路由网络，路由网络中的物理控制器连接到多个物理路由器，并且该方法包括： 物理控制器，由至少一个物理路由器报告的路由信息​​; 获取其中使用所述至少一个物理路由器作为出口路由器以将目的地路由器传输业务的业务路径; 为业务路径中的物理路由器生成路由; 并将生成的路由传送到相应的物理路由器。 在这些实施例中，避免在出口路由器发生拥塞，并且接收流量的路由器可以根据业务路径生成路由器的路由，以便将流量发送到路由器的下一跳路由器，而没有 需要重新计算。

公开(公告)号：US11943099B2

公开(公告)日：2024-03-26

申请号：US18153883

申请日：2023-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Tianran Zhou ,  Weidong Li ,  Jie Dong

IPC: H04L41/0803

CPC classification number: H04L41/0803

Abstract: A method according to embodiments of this application includes: A first network device sends a first packet to a second network device, where the first packet includes first indication information, and the first indication information indicates a support status of an iFIT capability corresponding to the first network device or a first service module included in the first network device. The first network device sends the packet to the second network device, to notify the support status of the IFIT capability of the first network device. In this way, the second network device can determine, based on the iFIT capability of the first network device, whether to encapsulate a measurement header, to avoid that a service packet cannot be correctly processed because the first network device cannot strip the measurement header from the service packet.