公开(公告)号：US20130308651A1

公开(公告)日：2013-11-21

申请号：US13873919

申请日：2013-04-30

Applicant: Huawei Technologies Co., LTD

Inventor： Wanfu Ding ,  Enhui Liu ,  Chengyong Lin ,  Fengkai Li

IPC: H04L12/721

CPC classification number: H04L45/38 ,  H04L45/021

Abstract: The present application provides a packet processing method, device and system. With the present application, timely processing can be performed on a received packet according to an added first flow table entry, so that the timely processing can be implemented for a flow whose importance is high, and the problem in the prior art that a forwarding device cannot add a new flow table entry to a flow table because all flow table entry resources are in use can be relieved, thereby improving the reliability of packet processing.

Abstract translation: 本申请提供了一种分组处理方法，设备和系统。 利用本申请，可以根据添加的第一流表条目对接收到的分组进行及时处理，从而可以对其重要性高的流实现及时处理，并且现有技术中的转发设备 不能将新的流表条目添加到流表中，因为所有流表入口资源都在使用中可以被释放，从而提高了数据包处理的可靠性。

公开(公告)号：US11552863B2

公开(公告)日：2023-01-10

申请号：US16984731

申请日：2020-08-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong Lin ,  Enhui Liu ,  Wenyang Lei

IPC: H04L41/50 ,  H04L49/00 ,  H04L9/40 ,  H04L41/5041 ,  H04L45/745 ,  H04L45/64 ,  H04L45/00

Abstract: Embodiments of the present invention provide a packet processing method, a forwarding plane device and a network device, the method includes: receiving, by a forwarding plane device, a first packet transmitted by a user, where an identity of the user is comprised in the first packet, and a forwarding table is comprised in the forwarding plane device; determining, by the forwarding plane device, an identity of a service according to a corresponding relationship between the identity of the user and the identity of the service as well as the identity of the user in the first packet; generating, by the forwarding plane device, a second packet by encapsulating the first packet with the identity of the service; and transmitting the second packet to a network device, to enable the network device to manage the service according to the identity of the service in the second packet.

公开(公告)号：US10855524B2

公开(公告)日：2020-12-01

申请号：US15449603

申请日：2017-03-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenxia Dong ,  Enhui Liu ,  Chengyong Lin ,  Fengkai Li ,  Wanfu Ding

IPC: H04L29/08 ,  H04L12/24

Abstract: This application provides a method and an apparatus for configuring a service, which help to implement automatic configuration of a service and improve efficiency. The method provided in this application includes: obtaining, by an NaaS device, a contract of a service, where the contract includes identifier information and a condition, the identifier information is used to identify a first device group, the first device group includes a device that provides the service, and the condition is a communication requirement corresponding to the service; obtaining, by the NaaS device, information about a network device group according to the identifier information and the condition; obtaining, by the NaaS device, a first forwarding rule according to the condition, where the first forwarding rule corresponds to the network device group; and sending, by the NaaS device, the first forwarding rule and the information about the network device group to a controller.

公开(公告)号：US10693772B2

公开(公告)日：2020-06-23

申请号：US16183080

申请日：2018-11-07

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shihui Hu ,  Enhui Liu ,  Delei Yu ,  Chengyong Lin

IPC: H04L12/721 ,  H04L12/741

Abstract: The application provide a packet sending method, a router, and a service switching entity. According to the application, a router determines a flow group identifier of a service packet and information about a next-hop service switching entity according to a user identifier and IP 5-tuple information; and forwards the packet to the next-hop service switching entity according to the information about the next-hop service switching entity, so that the next-hop service switching entity determines a corresponding destination service instance according to the user identifier, the flow group identifier, a router identifier, and a processing result, and forwards the packet to the destination service instance, to perform corresponding service processing, thereby implementing service packet forwarding among service instances. The router in the method provided in the embodiments has a flow steering function, and steers a flow to a specified path to perform node-by-node processing.

公开(公告)号：US10419326B2

公开(公告)日：2019-09-17

申请号：US15243351

申请日：2016-08-22

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shihui Hu ,  Mingming Zhu ,  Guangpeng Li ,  Enhui Liu

IPC: H04L12/751 ,  H04L12/24 ,  H04L12/46 ,  H04L12/741

Abstract: A method for implementing network virtualization, and a related apparatus and a communications system are provided. The method for implementing network virtualization may include: receiving, by an SDN controller, a virtual network creation request that carries virtual network topology information; creating a virtual network in response to the virtual network creation request; establishing, by the SDN controller, a device mapping relationship; establishing, by the SDN controller, a port mapping relationship; allocating, by the SDN controller, a virtual SDN controller to the virtual network; and registering, by the SDN controller, a first virtual forwarding device and a second virtual forwarding device with the virtual SDN controller. Technical solutions of embodiments of the present invention help to improve networking flexibility, reduce service costs, and shorten a service deployment period.

公开(公告)号：US10411911B2

公开(公告)日：2019-09-10

申请号：US15639769

申请日：2017-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Fengkai Li ,  Enhui Liu ,  Chengyong Lin ,  Wenxia Dong

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

Abstract: A network as a service (NaaS) service cross-domain orchestration method to implement an end-to-end NaaS service in a multi-domain network that includes multiple network domains where the method includes obtaining information about a first user-to-network interface (UNI) and information about a second UNI in a multi-domain network according to a received NaaS service request, where the NaaS service request is used to request to establish an NaaS service between a first terminal and a second terminal; querying domain resource information to obtain a cross-domain path between the first UNI and the second UNI; determining network domains that the cross-domain path passes through, and obtaining a first connection requirement and a second connection requirement of each network domain of the network domains that the cross-domain path passes through; and sending the first connection requirement and the second connection requirement to a control device in each network domain.

公开(公告)号：US10057165B2

公开(公告)日：2018-08-21

申请号：US15004400

申请日：2016-01-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Enhui Liu ,  Delei Yu ,  Chengyong Lin

IPC: H04L1/00 ,  H04L12/741 ,  H04L12/64 ,  H04L12/24 ,  H04L12/721

CPC classification number: H04L45/745 ,  H04L12/6418 ,  H04L41/5054 ,  H04L45/34

Abstract: Embodiments disclose a packet forwarding method and device. The method includes: obtaining, by a packet forwarding device, a feature character included in a packet to be forwarded. The feature character is obtained by parsing, according to a preset packet content parsing policy, other content included in the packet to be forwarded except a 5-tuple. The method includes determining, according to a correspondence between different feature characters and corresponding routing information, routing information corresponding to the obtained feature character, and sending, according to the determined routing information, the packet to be forwarded.

公开(公告)号：US10003540B2

公开(公告)日：2018-06-19

申请号：US14949575

申请日：2015-11-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Enhui Liu ,  Xinping Wang ,  Chengyong Lin

IPC: H04L12/853 ,  H04L29/08 ,  H04L12/813 ,  H04L12/855 ,  H04L12/859 ,  H04L12/851 ,  H04L12/717

CPC classification number: H04L47/2416 ,  H04L45/42 ,  H04L47/20 ,  H04L47/2466 ,  H04L47/2475 ,  H04L47/2483 ,  H04L67/32

Abstract: The present application discloses a flow forwarding method, device, and system. The method includes: receiving, by an edge node, an intelligent routing service request packet, and the packet includes a constraint condition required for establishing the intelligent routing service; if the edge node does not find, in a flow table, a corresponding matching flow table entry of characteristic information, sending, by the edge node, a first message to a controller, where the first message includes identification information of the edge node and the characteristic information and the edge node is an ingress edge-node or an egress edge-node that receives the packet; receiving, a first flow table entry sent by the controller, where the first flow table entry is generated according to the first message and meets the constraint condition; and processing, according to the first flow table entry, a packet sent by the user side device.

公开(公告)号：US20160036726A1

公开(公告)日：2016-02-04

申请号：US14884243

申请日：2015-10-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Enhui Liu ,  Xinping Wang

IPC: H04L12/931 ,  H04L12/761 ,  H04L12/18 ,  H04L12/713

CPC classification number: H04L49/201 ,  H04L12/18 ,  H04L12/1854 ,  H04L12/1886 ,  H04L45/16 ,  H04L45/586 ,  H04L49/70

Abstract: The embodiments of the present invention relate to the field of computer networks, and disclose a method and an apparatus for processing a multicast packet. The method includes receiving a multicast packet, acquiring a local router interface corresponding to the multicast packet according to a multicast routing entry carried in the multicast packet, and forwarding the multicast packet through the acquired local router interface to a clustered routing system interface for further transfer. The embodiments of the present invention can cluster several routing devices into a virtual routing system which externally acts as a single routing node for supporting a multicast service, so as to implement the efficient and reliable forwarding of the multicast packet in a clustered routing system with virtual aggregation, and enable the clustered routing system to support the multicast service with high efficiency and quality.

Abstract translation: 本发明的实施例涉及计算机网络领域，并且公开了一种用于处理组播分组的方法和装置。 该方法包括接收组播报文，根据组播报文携带的组播路由表项获取对应于组播报文的本地路由器接口，并通过获取的本地路由器接口将组播报文转发到集群路由系统接口进行进一步传输 。 本发明的实施例可以将多个路由设备集群到虚拟路由系统中，该虚拟路由系统在外部充当用于支持多播服务的单个路由节点，以便在具有虚拟的集群路由系统中实现多播分组的有效和可靠的转发 聚合，使集群路由系统能够以高效，高质量的方式支持组播业务。

公开(公告)号：US20230216754A1

公开(公告)日：2023-07-06

申请号：US18146777

申请日：2022-12-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengyong Lin ,  Enhui Liu ,  Wenyang Lei

IPC: H04L45/74 ,  H04L61/5007

CPC classification number: H04L45/74 ,  H04L61/5007

Abstract: A packet processing method includes receiving, by a forwarding plane device, a first packet transmitted by a user, where an identity of the user is comprised in the first packet, and a forwarding table is comprised in the forwarding plane device, determining, by the forwarding plane device, an identity of a service according to a corresponding relationship between the identity of the user and the identity of the service as well as the identity of the user in the first packet, generating, by the forwarding plane device, a second packet by encapsulating the first packet with the identity of the service, and transmitting the second packet to a network device to enable the network device to manage the service according to the identity of the service in the second packet.