公开(公告)号：US20210176172A1

公开(公告)日：2021-06-10

申请号：US16616913

申请日：2018-05-18

Applicant: ZTE CORPORATION

Inventor： Zheng ZHANG ,  Bo WU

IPC: H04L12/741 ,  H04L12/715 ,  H04L12/761 ,  H04L29/06 ,  H04L12/46

Abstract: Provided in embodiments of the present disclosure are a packet forwarding method, device and apparatus, and a storage medium. The method includes: receiving a bit indexed explicit replication (BIER) packet sent by a source apparatus; and forwarding the BIER packet to a destination apparatus according to a set identifier (SI) carried by a packet header of the BIER packet, wherein the set identifier (SI) indicates a cluster in which the destination apparatus resides.

公开(公告)号：US20180159767A1

公开(公告)日：2018-06-07

申请号：US15737120

申请日：2016-02-22

Applicant: ZTE CORPORATION

Inventor： Zheng ZHANG

IPC: H04L12/723 ,  H04L29/12 ,  H04L12/751

CPC classification number: H04L45/507 ,  H04L29/12 ,  H04L45/02 ,  H04L61/30 ,  H04L63/0272

Abstract: Provided are a label processing method and apparatus, and routing information delivery method and apparatus. The label processing method includes that a first edge device receives a label notified by a second edge device for identifying routing information; when it is determined that the label is the same as a label allocated by the first edge device, the first edge device compares first identification information for identifying the first edge device and second identification information for identifying the second edge device; and the first edge device adjusts, based on a comparison result, the label allocated by the first edge device.

公开(公告)号：US20240356843A1

公开(公告)日：2024-10-24

申请号：US18685581

申请日：2022-07-20

Applicant: ZTE Corporation

Inventor： Yubao WANG ,  Ye SHU ,  Zheng ZHANG

IPC: H04L45/74 ,  H04L45/00 ,  H04L45/76

CPC classification number: H04L45/74 ,  H04L45/22 ,  H04L45/66 ,  H04L45/76

Abstract: Provided are a method and an apparatus for publishing an RT-5G routing message, a storage medium and an electronic apparatus. The method includes: publishing, by a first device, an RT-5G routing message for a CE-Prefix to enable a low-end RT-5 node to receive the RT-5G routing message, where a GW-IP field of the RT-5G routing message carries a first IP; a next hop of Overlay of the CE-Prefix is a second IP, and the second IP is allowed to be reached by means of a node to which the first IP belongs; the RT-5G routing message is configured to instruct the low-end RT-5 node to analyze the GW-IP field carried in the RT-5G routing message into an RT-2 route; and the second IP is not in a directly-connected subnet of an EVPN.

公开(公告)号：US20240291748A1

公开(公告)日：2024-08-29

申请号：US18568934

申请日：2022-05-30

Applicant: ZTE Corporation

Inventor： Benchong XU ,  Zheng ZHANG

IPC: H04L45/16 ,  H04L45/00 ,  H04L45/17 ,  H04L45/50

CPC classification number: H04L45/16 ,  H04L45/17 ,  H04L45/34 ,  H04L45/507

Abstract: Embodiments of the present disclosure relate to the technical field of communications, and in particular, to a forwarding method, a forwarding system, an electronic device, and a computer-readable storage medium. The forwarding method includes: acquiring a packet to be forwarded, and detecting whether the packet to be forwarded contains a preset indicator, wherein the preset indicator is used for indicating that the packet to be forwarded has a designated forwarding path; when the packet to be forwarded contains the preset indicator, acquiring information of a protocol header following a Bit Indexed Explicit Replication (BIER) header of the packet to be forwarded, wherein the information of the protocol header is at least used for indicating the designated forwarding path; determining a next hop according to the information of the protocol header; and forwarding the packet to be forwarded according to the next hop.

公开(公告)号：US20240163208A1

公开(公告)日：2024-05-16

申请号：US18282592

申请日：2022-02-10

Applicant: ZTE Corporation

Inventor： Zheng ZHANG ,  Yong CHEN ,  Benchong XU

IPC: H04L45/00 ,  H04L45/74 ,  H04L69/22

CPC classification number: H04L45/566 ,  H04L45/74 ,  H04L69/22

Abstract: Provided are a packet processing method and apparatus, and a storage medium and an electronic apparatus. The method includes: receiving a target packet from an ingress node; determining a type of a payload contained in the target packet and a start location of the payload; performing a payload parsing operation on the target packet based on the type of the payload and the start location of the payload to obtain payload data of the payload; and forwarding the payload data to a receiving end.

公开(公告)号：US20230291682A1

公开(公告)日：2023-09-14

申请号：US18018905

申请日：2021-01-22

Applicant: ZTE Corporation

Inventor： Xiaolong ZHU ,  Zheng ZHANG ,  Jun FENG ,  Yong CHEN ,  Rusheng MA

IPC: H04L45/50 ,  H04L47/125

CPC classification number: H04L45/50 ,  H04L47/125

Abstract: Provided in the embodiments of the present disclosure are a method and device for processing a data packet, a storage medium, and an electronic device. The method includes: in a case where a Bit-Forwarding Ingress Router (BFIR) performs Bit Index Explicit Replication (BIER) packet encapsulation and outer Internet Protocol Version 6 (IPv6) packet encapsulation on a data packet, copying an Entropy field in a BIER packet header to a position of a Flow Label field of an outer IPv6 packet, and placing a label value allocated for Virtual Private Network (VPN) data in a position of the original Entropy field in the BIER packet header; and setting a data packet after the BIER packet header, and setting a Proto field in the BIER packet header to a corresponding value indicating a data packet type of the data packet.

公开(公告)号：US20230246947A1

公开(公告)日：2023-08-03

申请号：US18014323

申请日：2021-03-04

Applicant: ZTE CORPORATION

Inventor： Zheng ZHANG ,  Shaofu PENG

IPC: H04L45/16 ,  H04L12/18 ,  H04L41/12 ,  H04L45/036

CPC classification number: H04L45/16 ,  H04L12/1886 ,  H04L41/12 ,  H04L45/036

Abstract: Provided are an information advertisement method and apparatus, a packet forwarding method and apparatus, a packet cancellation method and apparatus, a device, and a medium. The information advertisement method includes associating a particular topology identifier with a BIER forwarding plane in a case where a particular topology is constructed; and advertising BIER information to a network, where the BIER information carries the particular topology identifier, and the BIER information is configured to be used by a node in the network to generate a BIER forwarding table entry corresponding to the particular topology.

公开(公告)号：US20230155932A1

公开(公告)日：2023-05-18

申请号：US17916416

申请日：2020-12-10

Applicant: ZTE CORPORATION

Inventor： Zheng ZHANG ,  Benchong XU ,  Xiaolong ZHU ,  Rusheng MA

IPC: H04L45/00 ,  H04L45/748

CPC classification number: H04L45/566 ,  H04L45/748

Abstract: Provided are a multicast traffic transmission method and apparatus, a communication node and a storage medium. The multicast traffic transmission method includes the following. A first forwarding entry is determined, where the first forwarding entry includes Bit Indexed Explicit Replication (BIER) information of an Autonomous System Border Router (ASBR); multicast traffic is acquired; and the multicast traffic is encapsulated based on the first forwarding entry, and a BIER packet is determined and transmitted.

公开(公告)号：US20210203593A1

公开(公告)日：2021-07-01

申请号：US17055664

申请日：2019-04-08

Applicant: ZTE Corporation

Inventor： Zheng ZHANG ,  Jinghai YU

IPC: H04L12/703 ,  H04L12/18 ,  H04L12/741 ,  H04L12/24

Abstract: Provided are a multicast fast switching method, device and equipment, and a storage medium, which relate to the technical field of communications. The method includes the following operations: when forwarding a multicast Bit Indexed Explicit Replication Traffic Engineering (BIER-TE) packet, a forwarding node detects whether an abnormality occurs in a forwarding link between the forwarding node and a next node; in responsive to detecting that an abnormality occurs in the forwarding link between the forwarding node and the next node, the forwarding node determines whether the multicast BIER-TE packet is configured with a multicast fast switching tag; and in responsive to determining, by the forwarding node, that the multicast BIER-TE packet is configured with the multicast fast switching tag, multicast fast switching is performed according to the multicast fast switching tag.

公开(公告)号：US20210184982A1

公开(公告)日：2021-06-17

申请号：US16079637

申请日：2016-07-11

Applicant: ZTE CORPORATION

Inventor： Zheng ZHANG ,  Cui WANG

IPC: H04L12/833 ,  H04L12/18 ,  H04L12/851

Abstract: A method for controlling quality of service, including steps of: transmitting, by a network device, a packet; and controlling the quality of service for the packet, by the network device, according to a Bit Indexed Explicit Replication (BIER)-information-based service quality strategy or according to a service quality related field carried by the packet. The method of the present disclosure can achieve controlling for quality of service based on BIER information, enhance flexibility of controlling for the quality of service in a network, and promote development of multicast technology and network.