公开(公告)号：US20180278531A1

公开(公告)日：2018-09-27

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 ,  H04L12/911

CPC classification number: H04L47/125 ,  H04L45/22 ,  H04L45/38 ,  H04L45/50 ,  H04L45/7453 ,  H04L47/825

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：US20160134525A1

公开(公告)日：2016-05-12

申请号：US14981520

申请日：2015-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Junlin ZHANG ,  Zhenbin LI

IPC: H04L12/723 ,  H04L29/12 ,  H04L12/931 ,  H04L12/741 ,  H04L29/08

Abstract: The present application discloses a packet forwarding method, including: determining, by an Ingress PE in an Ethernet virtual private network instance (EVI), that a state of the EVI on a first Egress PE is Active, where an Ethernet virtual private network (EVPN) corresponding to the EVI includes a first CE; determining, by the Ingress PE, that a state of the EVI on a second Egress PE is Inactive; skipping, by the Ingress PE, forwarding a broadcast, unknown unicast, and multicast BUM packet to the second Egress PE, where the BUM packet is from the first CE; and forwarding, by the Ingress PE, the BUM packet to the first Egress PE. Repeated BUM traffic that is transmitted in a bearer network and is not finally sent to a remote site is reduced; therefore, a waste of bandwidth in the bearer network is reduced.

Abstract translation: 本申请公开了一种分组转发方法，包括：通过以太网虚拟专用网络实例（EVI）中的入口PE确定第一出口PE上的EVI的状态为活动，其中以太网虚拟专用网（EVPN ）包括第一CE; 由Ingress PE确定在第二个出口PE上的EVI的状态是不活动的; 由Ingress PE跳过，将广播，未知单播和多播BUM分组转发到第二出口PE，其中BUM分组来自第一CE; 并通过Ingress PE将BUM包转发到第一个出口PE。 在承载网络中发送并且不是最终发送到远程站点的重复的BUM业务被减少; 因此，承载网络中的带宽浪费降低。

公开(公告)号：US20160014022A1

公开(公告)日：2016-01-14

申请号：US14862637

申请日：2015-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenbin LI ,  Jianguo Xue ,  Xinzong Zeng

IPC: H04L12/723 ,  H04L12/721 ,  H04L12/911

Abstract: An LSP establishment method and a network device, where the method includes: generating, by a first network device, a first Path message, where the first Path message carries an address of a second network device, and the first Path message is used to request establishment a first LSP; and sending, the first Path message to the second network device, and establishing the first LSP, where the first Path message further carries an address of a target network device, so that the second network device stitches the first LSP and a second LSP according to the address of the target network device, so as to form a third LSP from the first network device to the target network device. This technical solutions are conducive to implementing convergence of an access network of an IP RAN and an IP backbone network.

Abstract translation: 一种LSP建立方法和网络设备，其中所述方法包括：由第一网络设备生成第一路径消息，其中所述第一路径消息携带第二网络设备的地址，并且所述第一路径消息用于请求 建立第一条LSP; 向第二网络设备发送第一路径消息，并建立第一LSP，其中第一路径消息进一步携带目标网络设备的地址，使得第二网络设备根据第一LSP针对第一LSP和第二LSP进行拼接 目标网络设备的地址，以便形成从第一网络设备到目标网络设备的第三LSP。 该技术方案有助于实现IP RAN和IP骨干网接入网的融合。

公开(公告)号：US20160014021A1

公开(公告)日：2016-01-14

申请号：US14859205

申请日：2015-09-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenbin LI

IPC: H04L12/723

CPC classification number: H04L45/50 ,  H04L45/507 ,  H04L47/50

Abstract: The present application discloses a method, a device and a system for establishing an LSP. The method includes: allocating, by a proxy node device, a label for a destination node device, generating a label mapping message carrying the label, an address of the destination node device and an address of the proxy node device, and sending the label mapping message to an upstream node device to initiate establishment of a first LSP from an entry node device to the proxy node device; stitching, by the proxy node device, the first LSP with a second LSP to form a third LSP from the entry node device to the destination node device, where the second LSP is an LSP established between the proxy node device and the destination node device.

Abstract translation: 本申请公开了一种用于建立LSP的方法，设备和系统。 该方法包括：由代理节点设备分配目的地节点设备的标签，生成携带标签的标签映射消息，目的地节点设备的地址和代理节点设备的地址，以及发送标签映射 向上游节点设备发送消息以启动从入口节点设备到所述代理节点设备的第一LSP的建立; 由代理节点设备将具有第二LSP的第一LSP拼接以形成从入口节点设备到目的地节点设备的第三LSP，其中第二LSP是在代理节点设备和目的地节点设备之间建立的LSP。

公开(公告)号：US20150124810A1

公开(公告)日：2015-05-07

申请号：US14594864

申请日：2015-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiguo HAO ,  Zhenbin LI ,  Yisong LIU

IPC: H04L12/931 ,  H04L29/12

CPC classification number: H04L49/201 ,  H04L12/185 ,  H04L45/16 ,  H04L61/2069

Abstract: Embodiments of the present invention provide a method, a device, and a system for creating a bidirectional multicast distribution tree based on an interior gateway protocol, the method includes: generating, according to a root address of a first node flooded by the first node through an IGP and a shortest path tree algorithm, a shortest path to another node with the first node as a source node, and constructing a flooding tree according to the shortest path; and when receiving layer 3 multicast group information flooded by an edge node, determining, according to the layer 3 multicast group information and a multicast group range that is supported by the first node, a flooding tree corresponding to each layer 3 multicast group, and performing pruning, according to the layer 3 multicast group information, to the flooding tree corresponding to each layer 3 multicast group, to generate a bidirectional multicast distribution tree.

Abstract translation: 本发明的实施例提供了一种基于内部网关协议来创建双向组播分发树的方法，设备和系统，所述方法包括：根据第一节点淹没的第一节点的根地址通过 IGP和最短路径树算法，到具有第一节点作为源节点的另一节点的最短路径，以及根据最短路径构建洪泛树; 当接收到由边缘节点淹没的第3层组播组信息时，根据第3层组播组信息和第一节点支持的组播组范围，确定与每层3组播组对应的泛洪树，并执行 修剪根据第3层组播组信息，对应于每层3组播组的洪泛树，生成双向组播分发树。