公开(公告)号：US20160119159A1

公开(公告)日：2016-04-28

申请号：US14921835

申请日：2015-10-23

Applicant: Futurewei Technologies, Inc.

Inventor： Katherine Zhao ,  Lucy Yong

IPC: H04L12/18 ,  H04L12/761

CPC classification number: H04L12/1854 ,  H04L12/189 ,  H04L43/0811 ,  H04L45/16 ,  H04L45/26 ,  H04L47/15 ,  H04L47/17

Abstract: A data packet forwarding method including receiving, by a network node, a data packet that comprises a bit string, a BFIR identifier (ID), and a multicast replication path (MRP) ID, wherein the BFIR ID identifies an ingress network node for a multicast group, and wherein the MRP ID identifies the multicast group, identifying an entry in a BIER Replication Path Cache Table (BRCT) using the BFIR ID and the MRP ID, wherein the entry identifies a replication neighbor (NBR) list associated with the BFIR ID and the MRP ID, and forwarding the data packet in accordance with the replication NBR list.

Abstract translation: 一种数据分组转发方法，包括由网络节点接收包括位串，BFIR标识符（ID）和组播复制路径（MRP）ID的数据分组，其中所述BFIR ID标识用于 多播组，并且其中所述MRP ID标识所述多播组，使用所述BFIR ID和所述MRP ID来标识BIER复制路径高速缓存表（BRCT）中的条目，其中所述条目标识与所述BFIR相关联的复制邻居（NBR）列表 ID和MRP ID，并且根据复制NBR列表转发数据分组。

公开(公告)号：US20150055652A1

公开(公告)日：2015-02-26

申请号：US14466849

申请日：2014-08-22

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Donald Eastlake ,  Weiguo Hao

IPC: H04L12/18

CPC classification number: H04L12/184 ,  H04L12/185 ,  H04L45/04 ,  H04L49/201

Abstract: An internet protocol (IP) traffic control method comprising receiving a message that comprises multicast group information and distribution tree root information from a tree root node in a first network area, determining the border network node is a designated forwarder for the second network area, sending an announcement message that comprises the multicast group information and the distribution tree root information within the second network area, receiving multicast group membership information for a multicast group computing a multicast group membership summary for the first network area and the second network area, sending the multicast group membership summary to first network area and the second network area, computing a distribution tree using the multicast group information and the distribution tree root information, pruning the distribution tree to generate a multicast tree, and communicating multicast data traffic between the first network area and the second network area along the multicast tree.

Abstract translation: 一种互联网协议（IP）流量控制方法，包括从第一网络区域中的树根节点接收包括多播组信息和分发树根信息的消息，确定边界网络节点是第二网络区域的指定转发器，发送 所述通知消息包括所述第二网络区域内的所述组播组信息和所述分发树根信息，接收组播组的组播组成员资格，以计算所述第一网络区域和所述第二网络区域的组播组成员资格摘要，发送所述组播 组群成员资格汇总到第一网络区域和第二网络区域，使用组播组信息和分布树根信息计算分布树，修剪分布树以生成组播树，并在第一个网络区域和 第二个网络区域 组播树。

公开(公告)号：US20140226670A1

公开(公告)日：2014-08-14

申请号：US14258302

申请日：2014-04-22

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong

IPC: H04L12/723 ,  H04L12/931

CPC classification number: H04L45/502 ,  H04L45/04 ,  H04L45/50 ,  H04L45/68 ,  H04L47/33 ,  H04L49/354

Abstract: A network apparatus comprising a trunk end point associated with an Ethernet-tree (E-Tree) service in a network domain and configured to forward a frame that comprises a tag according to the tag in the frame, wherein the tag in the frame is a root tag that indicates a root source of the frame or a leaf tag that indicates a leaf source of the frame, and wherein the trunk end point is coupled to a second end point associated with the E-tree service outside the network domain.

Abstract translation: 一种网络装置，包括与网络域中的以太网树（E-Tree）服务相关联的中继端点，并且被配置为根据帧中的标签转发包括标签的帧，其中帧中的标签是 根标签，其指示帧的根源或指示帧的叶源的叶标签，并且其中，所述中继端点耦合到与所述网络域外的所述E树服务相关联的第二端点。

公开(公告)号：US20140086253A1

公开(公告)日：2014-03-27

申请号：US14037056

申请日：2013-09-25

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong

IPC: H04L12/715

CPC classification number: H04L45/64 ,  H04L12/4633 ,  H04L45/04 ,  H04L45/50 ,  H04L49/70

Abstract: A method for providing communication over an overlay virtual network (OVN) with multiple data plane encapsulations at a tunnel endpoint comprising receiving a data packet via a first overlay tunnel, wherein the data packet comprises an encapsulation header of a first encapsulation type and an inner destination address, determining an egress tunnel endpoint and a second encapsulation type supported by the egress tunnel end point based on the inner destination address, performing encapsulation translation on the data packet by replacing the encapsulation header of the first encapsulation type with an encapsulation header of the second encapsulation type to form a translated packet, and forwarding the translated packet toward the egress tunnel endpoint via a second overlay tunnel, wherein the first encapsulation type and the second encapsulation type are different encapsulation types, and wherein the data packet is destined to the egress tunnel endpoint.

Abstract translation: 一种用于通过覆盖虚拟网络（OVN）提供在隧道端点处具有多个数据平面封装的通信的方法，包括经由第一覆盖隧道接收数据分组，其中所述数据分组包括第一封装类型和内部目的地的封装头部 基于内部目的地地址确定出口隧道端点和出口隧道终点支持的第二封装类型，通过用第二封装类型的封装头代替第一封装类型的封装头，对数据包执行封装转换 封装类型以形成转换的分组，并且经由第二覆盖隧道将转换的分组转发到出口隧道端点，其中第一封装类型和第二封装类型是不同的封装类型，并且其中数据分组指向出口隧道 端点。

公开(公告)号：US11528223B2

公开(公告)日：2022-12-13

申请号：US15837752

申请日：2017-12-11

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong

IPC: H04L45/02 ,  H04L45/50 ,  H04L45/00 ,  H04L47/33 ,  H04L49/354

Abstract: A network apparatus comprising a trunk end point associated with an Ethernet-tree (E-Tree) service in a network domain and configured to forward a frame that comprises a tag according to the tag in the frame, wherein the tag in the frame is a root tag that indicates a root source of the frame or a leaf tag that indicates a leaf source of the frame, and wherein the trunk end point is coupled to a second end point associated with the E-tree service outside the network domain.

公开(公告)号：US10333829B2

公开(公告)日：2019-06-25

申请号：US15824922

申请日：2017-11-28

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Donald E. Eastlake, III

IPC: H04L12/705 ,  H04L12/741 ,  H04L12/833 ,  H04L29/08 ,  H04L29/14

Abstract: A method implemented by a service function forwarder (SFF) comprises receiving, by a receiver of the SFF, a service chain packet comprising a loop prevention field, the loop prevention field comprising a plurality of bits indicating whether an error has occurred during packet transmission, and determining, by a processor of the SFF, whether to forward the service chain packet based on a value in the loop prevention field being less than a predefined parameter, the predefined parameter based on a number of bits (n) in the loop prevention field.

公开(公告)号：US10038650B2

公开(公告)日：2018-07-31

申请号：US15247027

申请日：2016-08-25

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Weiguo Hao

IPC: H04L12/935 ,  H04L29/06 ,  H04L29/08 ,  H04L12/715 ,  H04L12/46

CPC classification number: H04L49/3045 ,  H04L12/4633 ,  H04L45/64 ,  H04L67/10 ,  H04L67/2814 ,  H04L69/22

Abstract: A first network element (NE) implemented as a network virtualization edge (NVE) includes a receiver configured to receive a packet comprising a destination address, a processor coupled to the receiver and configured to obtain a tunnel identifier of an overlay tunnel that communicatively couples a second NE to a third NE on an overlay path toward the destination address, add the tunnel identifier to an encapsulation header of the packet, and add an address of the second NE to an outer header of the packet, and a transmitter coupled to the processor and configured to transmit the packet to the second NE, wherein the packet is forwarded from the second NE to the third NE via the overlay tunnel identified by the tunnel identifier.

公开(公告)号：US20170063783A1

公开(公告)日：2017-03-02

申请号：US15247027

申请日：2016-08-25

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Weiguo Hao

IPC: H04L29/12 ,  H04L12/935 ,  H04L29/06

CPC classification number: H04L49/3045 ,  H04L12/4633 ,  H04L45/64 ,  H04L67/10 ,  H04L67/2814 ,  H04L69/22

Abstract: A first network element (NE) implemented as a network virtualization edge (NVE) includes a receiver configured to receive a packet comprising a destination address, a processor coupled to the receiver and configured to obtain a tunnel identifier of an overlay tunnel that communicatively couples a second NE to a third NE on an overlay path toward the destination address, add the tunnel identifier to an encapsulation header of the packet, and add an address of the second NE to an outer header of the packet, and a transmitter coupled to the processor and configured to transmit the packet to the second NE, wherein the packet is forwarded from the second NE to the third NE via the overlay tunnel identified by the tunnel identifier.

Abstract translation: 实现为网络虚拟化边缘（NVE）的第一网元（NE）包括接收器，被配置为接收包括目的地地址的分组，耦合到接收机的处理器，并且被配置为获得覆盖隧道的隧道标识符， 将第二NE连接到朝向目的地地址的覆盖路径上的第三个NE，将隧道标识符添加到分组的封装头，并将第二个NE的地址添加到该分组的外部头部，以及耦合到该处理器的发射机 并且被配置为将所述分组发送到所述第二NE，其中所述分组经由所述隧道标识符标识的覆盖隧道从所述第二NE转发到所述第三NE。

公开(公告)号：US09565027B2

公开(公告)日：2017-02-07

申请号：US14466849

申请日：2014-08-22

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Donald Eastlake ,  Weiguo Hao

IPC: H04L12/18 ,  H04L12/931 ,  H04L12/715

CPC classification number: H04L12/184 ,  H04L12/185 ,  H04L45/04 ,  H04L49/201

Abstract: An internet protocol (IP) traffic control method comprising receiving a message that comprises multicast group information and distribution tree root information from a tree root node in a first network area, determining the border network node is a designated forwarder for the second network area, sending an announcement message that comprises the multicast group information and the distribution tree root information within the second network area, receiving multicast group membership information for a multicast group computing a multicast group membership summary for the first network area and the second network area, sending the multicast group membership summary to first network area and the second network area, computing a distribution tree using the multicast group information and the distribution tree root information, pruning the distribution tree to generate a multicast tree, and communicating multicast data traffic between the first network area and the second network area along the multicast tree.

Abstract translation: 一种互联网协议（IP）流量控制方法，包括从第一网络区域中的树根节点接收包括多播组信息和分发树根信息的消息，确定边界网络节点是第二网络区域的指定转发器，发送 所述通知消息包括所述第二网络区域内的所述组播组信息和所述分发树根信息，接收组播组的组播组成员资格，以计算所述第一网络区域和所述第二网络区域的组播组成员资格摘要，发送所述组播 组群成员资格汇总到第一网络区域和第二网络区域，使用组播组信息和分布树根信息计算分布树，修剪分布树以生成组播树，并在第一个网络区域和 第二个网络区域 组播树。

公开(公告)号：US20160080246A1

公开(公告)日：2016-03-17

申请号：US14485400

申请日：2014-09-12

Applicant: Futurewei Technologies, Inc.

Inventor： Lucy Yong ,  Andrew G. Malis

IPC: H04L12/715

CPC classification number: H04L47/20 ,  H04L47/26 ,  H04L47/263

Abstract: An apparatus comprising a receiver configured to receive an offload traffic notification from tenant service system, and a processor coupled to a memory and the receiver, where the memory comprises computer executable instructions stored in a non-transitory computer readable medium, that when executed by the processor, cause the processor to receive the offload traffic notification, wherein the offload traffic notification identifies a sender tenant system and a receiver tenant system and comprises policy information, determine a network mapping between a network virtualization edge (NVE) that is associated with the receiver tenant system and the receiver tenant system, generate a network mapping message that comprises the network mapping, and send the network mapping message and policy information within a network to an NVE that is associated with a sender tenant system.

Abstract translation: 一种装置，包括被配置为从租户服务系统接收卸载交通通知的接收机，以及耦合到存储器和接收器的处理器，其中所述存储器包括存储在非暂时计算机可读介质中的计算机可执行指令， 处理器，使处理器接收卸载通信通知，其中卸载通信通知识别发送者租户系统和接收方承租人系统，并且包括策略信息，确定与接收者相关联的网络虚拟化边缘（NVE）之间的网络映射 租户系统和接收方承租人系统，生成包括网络映射的网络映射消息，并将网络内的网络映射消息和策略信息发送到与发件人租户系统相关联的NVE。