公开(公告)号：US12068949B2

公开(公告)日：2024-08-20

申请号：US17622743

申请日：2020-06-24

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Bing Song

IPC: H04L45/02 ,  H04L12/46 ,  H04L45/00

CPC classification number: H04L45/34 ,  H04L12/4633 ,  H04L45/02

Abstract: The present disclosure provides a routing management method and apparatus, a network device, and a readable storage medium. The method comprises: a controller obtaining network topology information of a network side; the controller calculating, on the basis of the network topology information, path information of a segment routing traffic engineering (SR-TE) instance to be created, and sending the path information to a header node of the network side, wherein the path information comprises segment list information and entropy label (EL) insertion position information; and the controller creating the SR-TE instance from the header node to a tail node on the network side.

公开(公告)号：US20230379266A1

公开(公告)日：2023-11-23

申请号：US18028191

申请日：2021-11-30

Applicant: ZTE Corporation

Inventor： Shaofu Peng

IPC: H04L47/724 ,  H04L47/125 ,  H04L47/625 ,  H04L45/302 ,  H04L47/22

CPC classification number: H04L47/724 ,  H04L47/125 ,  H04L47/627 ,  H04L45/308 ,  H04L47/22

Abstract: A path determination method, a network element, and a computer-readable storage medium are disclosed. The path determination method may include: acquiring link bandwidth data of all physical links within a network slice, where the link bandwidth data corresponds to the network slice, and the network slice is created by an interior gateway protocol flex algorithm (S100); acquiring a required bandwidth of a transmission channel within the network slice (S200); and determining, according to the link bandwidth data and the required bandwidth, a path for the transmission channel from among all the physical links (S300).

公开(公告)号：US11700198B2

公开(公告)日：2023-07-11

申请号：US17274912

申请日：2019-04-11

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Baoya Zhang ,  Haihua Tang

IPC: H04L45/50 ,  H04W28/06 ,  H04W40/02

CPC classification number: H04L45/50 ,  H04W28/065 ,  H04W40/02

Abstract: The present disclosure provides a transmission control method, a node, a network system, and a storage medium. The transmission control method includes encapsulating, by a node, overlay service identification information corresponding to a packet in the packet, and transmitting, by the node, the packet to a next hop using an underlay network resource dedicated to a service corresponding to the overlay service identification information.

公开(公告)号：US11689452B2

公开(公告)日：2023-06-27

申请号：US17299021

申请日：2019-08-29

Applicant: ZTE Corporation

Inventor： Jinsong Sun ,  Shaofu Peng ,  Huilai Wang

IPC: H04L45/50 ,  H04L45/122 ,  H04L45/00 ,  H04L45/745

CPC classification number: H04L45/50 ,  H04L45/122 ,  H04L45/20 ,  H04L45/32 ,  H04L45/66 ,  H04L45/745

Abstract: Provided is a method for forwarding service data, a network device, and a network system. The forwarding method may include the following operation. A forwarding path for service data is determined according to network resource configuration information of a designated network and a network slice of the service data, wherein the network resource configuration information indicates one or more network slices associated with one or more network resources of the designated network, and a network slice associated with a network resource of the determined forwarding path matches the network slice of the service data; and the service data is forwarded according to the forwarding path.

公开(公告)号：US12244474B2

公开(公告)日：2025-03-04

申请号：US17758517

申请日：2020-12-17

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Detao Zhao

IPC: H04L45/302 ,  H04L41/0894 ,  H04L41/5022 ,  H04L45/00 ,  H04L45/12 ,  H04L45/48

Abstract: A routing method, a routing device and a computer-readable storage medium are disclosed. The routing method includes: allocating, to each of network slices corresponding to different algorithm types, a segment identifier corresponding to a respective algorithm type, and flooding the segment identifier through an IGP; configuring, for each network slice, a QoS policy corresponding to a respective algorithm type; and, forwarding a packet based on the segment identifier and the QoS policy.

公开(公告)号：US12192092B2

公开(公告)日：2025-01-07

申请号：US17787897

申请日：2020-12-07

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng

IPC: H04L45/02 ,  H04L45/50 ,  H04L69/22

Abstract: A BIER packet forwarding method is applied to a packet sending node and includes: setting node information of a BIER forwarding neighboring node in a BIFT forwarding entry; in a case of determining according to the node information that the BIER forwarding neighboring node has a capability of processing a target packet format, encapsulating a BIER packet according to the target packet format; and sending an encapsulated BIER packet to the BIER forwarding neighboring node.

公开(公告)号：US12132652B2

公开(公告)日：2024-10-29

申请号：US17434752

申请日：2020-02-20

Applicant: ZTE CORPORATION

Inventor： Benchong Xu ,  Huilai Wang ,  Shaofu Peng

IPC: H04L45/02 ,  H04L45/48

CPC classification number: H04L45/48 ,  H04L45/02

Abstract: Embodiments of the present disclosure provide a network logical layering method based on Routing In Fat Tree (RIFT) protocol, a network logical layering device, a network device and a storage medium. By exchanging Link Information Element (LIE) packets and Topology Information Element (TIE) packets with other devices, a network device can enable the other devices in the network to know a topology supported by the present device and to know neighbor information and Metric information of the present device in the supported topology, and the network device can also know the topologies supported by the other devices in the network and the neighbor information and the Metric information of the other devices in the corresponding topologies. Thus, the device can calculate a topology route corresponding to the topology supported thereby.

公开(公告)号：US12063154B2

公开(公告)日：2024-08-13

申请号：US17638783

申请日：2020-05-09

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Detao Zhao ,  Hong Tang ,  Yongqing Zhu

IPC: H04L45/00 ,  H04L45/02

CPC classification number: H04L45/34 ,  H04L45/02 ,  H04L45/38

Abstract: Disclosed are a method and apparatus for sending a segment routing traffic engineering (SR-TE) policy, a method and apparatus for receiving an SR-TE policy, a network element, and a computer-readable storage medium. The method for sending an SR-TE policy includes creating an SR-TE policy instance by a first network element; and sending an SR-TE policy corresponding to the SR-TE policy instance to a second network element by the first network element, where the SR-TE policy carries path identifier information and primary/standby state information of a segment list so as to support fast reroute (FRR) of a segment list level.

公开(公告)号：US12047274B2

公开(公告)日：2024-07-23

申请号：US17615925

申请日：2020-06-03

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Feicai Jin

IPC: H04L45/12 ,  H04L45/50

CPC classification number: H04L45/124 ,  H04L45/50

Abstract: The present disclosure provides a path computation method, a non-transitory storage medium, and an electronic apparatus. The path computation method includes: sending a path computation request (PCReq) message to a path computation element (PCE), wherein the PCReq message carries a constraint condition ID including at least one of a protocol ID, a multi-topology ID, a network slice ID, an application ID, or a traffic engineering (TE) target ID, and the PCReq message is configured to instruct the PCE to compute a TE path according to the constraint condition ID; and receiving a path computation reply (PCRep) message returned from the PCE, wherein the PCRep message carries the TE path.

公开(公告)号：US12040974B2

公开(公告)日：2024-07-16

申请号：US17914437

申请日：2020-12-14

Applicant: ZTE CORPORATION

Inventor： Ran Chen ,  Shaofu Peng ,  Aihua Liu ,  Jianzhong Wen

IPC: H04L45/74 ,  H04L45/00 ,  H04L45/50 ,  H04L69/22

CPC classification number: H04L45/74 ,  H04L45/34 ,  H04L45/50 ,  H04L69/22

Abstract: Embodiments of the present disclosure provide an information sending method applied to a node. The method includes: sending capability advertisement information, wherein the capability advertisement information is used for indicating a capability of the node to support compressed SRv6 SIDs. Embodiments of the present disclosure further provide an information processing method, a node, a controller, and a non-transitory computer-readable storage medium.