公开(公告)号：US12244513B2

公开(公告)日：2025-03-04

申请号：US18028191

申请日：2021-11-30

Applicant: ZTE Corporation

Inventor： Shaofu Peng

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

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：US12119986B2

公开(公告)日：2024-10-15

申请号：US17786339

申请日：2020-12-21

Applicant: ZTE Corporation

Inventor： Shaofu Peng ,  Feicai Jin

IPC: H04L41/0806 ,  H04L41/40 ,  H04L41/5054

CPC classification number: H04L41/0806 ,  H04L41/40 ,  H04L41/5054

Abstract: A network slice creation method and apparatus, and a packet forwarding method and apparatus are provided. The network slice creation method includes: respectively configuring Traffic Engineering (TE) affinity attributes for layer-2 member links in a layer-3 bundled link, and flooding the TE affinity attributes of the layer-2 member links by using Interior Gateway Protocol (IGP); and then creating, according to the TE affinity attributes of the layer-2 member links and by using a Flex Algorithm (FA), network slices containing the layer-2 member links.

公开(公告)号：US11991023B2

公开(公告)日：2024-05-21

申请号：US17297332

申请日：2019-08-30

Applicant: ZTE Corporation

Inventor： Detao Zhao ,  Shaofu Peng

IPC: H04L12/46 ,  H04L45/02 ,  H04L45/50

CPC classification number: H04L12/4641 ,  H04L45/04 ,  H04L45/50

Abstract: A path construction method and related devices are disclosed. The method may include: advertising, by a second PE node, a first VPN route to a first PE node through an MP-BGP signaling channel, such that the first PE node is able to determine a label forwarding path to a first VPN Prefix based on a first transmission path descriptor (TPD) carried in the first VPN route received; where the first TPD is configured to identify the label forwarding path for a first VPN message to reach a BGP next hop.

公开(公告)号：US11671352B2

公开(公告)日：2023-06-06

申请号：US17274595

申请日：2019-09-12

Applicant: ZTE Corporation

Inventor： Shaofu Peng ,  Feicai Jin ,  BaoYa Zhang ,  Haihua Tang

IPC: H04L45/24 ,  H04L12/46 ,  H04L45/50 ,  H04L45/745

CPC classification number: H04L45/245 ,  H04L12/4633 ,  H04L45/50 ,  H04L45/745

Abstract: A message sending method, a binding relationship advertising method, a message sending apparatus, a binding relationship advertising apparatus, a storage medium and an electronic device are provided. The message sending method includes: receiving a first message on a first node subjected to route aggregation; in a case where the first message matches a first Incoming Label Map (ILM) table entry preset on the first node, swapping a label of the first message into an outgoing label corresponding to a detailed Forwarding Equivalence Class (FEC) to obtain a second message; and forwarding the second message to a downstream node according to a Label Switched Path (LSP) corresponding to the detailed FEC.

公开(公告)号：US11196580B2

公开(公告)日：2021-12-07

申请号：US16956639

申请日：2018-11-30

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Feicai Jin ,  Benchong Xu ,  Ning Cai

IPC: H04L12/18 ,  H04L12/46 ,  H04L12/715 ,  H04L12/761

Abstract: Provided in embodiments of the present disclosure are a method and a device for bearing a multicast virtual private network. The method includes: assigning, by a BFIR accessing a VRF, a global VPN identifier to a multicast VRF, and carrying the global VPN identifier to notify a route to a BFER accessing the multicast VRF; after receiving a packet of the multicast VRF, encapsulating, by the BFIR, the packet with a BIER header and forwarding the packet, the forwarded packet carrying the global VPN identifier.

公开(公告)号：US11936552B2

公开(公告)日：2024-03-19

申请号：US17264976

申请日：2019-08-06

Applicant: ZTE Corporation

Inventor： Shaofu Peng ,  Feicai Jin ,  Haihua Tang

IPC: H04L45/02 ,  H04L12/46 ,  H04L45/50

CPC classification number: H04L45/04 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/50

Abstract: Provided is a method and device for implementing Virtual Private Network (VPN) cross-domain, and a border node. The method includes that: a border node receives a advertisement message which carries VPN route information and is sent by a first node to a second node, wherein the border node supports Internet Protocol Version 6 Segment Routing (SRv6) capability, and the first node and the second node belong to different domains; and the border node assigns VPN identity information to a VPN route corresponding to the VPN route information, adds the VPN identity information into the advertisement message and sends the advertisement message to the second node, wherein the VPN identity information includes at least one of: a VPN Segment ID (SID) and a VPN label.

公开(公告)号：US11606255B2

公开(公告)日：2023-03-14

申请号：US17103924

申请日：2020-11-24

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Baoya Zhang

IPC: G06F15/16 ,  H04L41/0893 ,  H04L41/0806 ,  H04L45/12 ,  H04L45/50

Abstract: Disclosed are a method and an apparatus for creating network slices. The method for creating network slices comprises: creating a slice-bundles link between a first node and a second node, wherein the slice-bundles link comprises at least one member link created between the first node and the second node; and configuring a packet service for the slice-bundles link.

公开(公告)号：US10992574B2

公开(公告)日：2021-04-27

申请号：US16320895

申请日：2017-06-20

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Huilai Wang ,  Jinsong Sun

IPC: H04L12/723 ,  H04L12/753 ,  H04L12/707 ,  H04L12/735 ,  H04L12/703 ,  H04L12/721 ,  H04L12/751 ,  H04L12/733 ,  H04L12/741

Abstract: The present invention provides a packet forwarding method and device. The method comprises: a first node receiving a packet for forwarding, wherein a destination address of the packet is a second node; the first node identifying, from topologies generated in advance, a target topology corresponding to the packet, wherein the topologies generated in advance comprise a first topology and a second topology generated according to an MRT algorithm, and a third topology obtained according to an SPF algorithm, wherein the first topology, the second topology and the third topology are different from one another; and the first node identifying, from the target topology, a next hop node for forwarding to the second node, and forwarding the packet to the next hop node. The present invention achieves an object of combining a segmented routing network and an MRT function.

公开(公告)号：US20190166045A1

公开(公告)日：2019-05-30

申请号：US16320895

申请日：2017-06-20

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Huilai Wang ,  Jinsong Sun

IPC: H04L12/723 ,  H04L12/733 ,  H04L12/753 ,  H04L12/751 ,  H04L12/741

Abstract: The present invention provides a packet forwarding method and device. The method comprises: a first node receiving a packet for forwarding, wherein a destination address of the packet is a second node; the first node identifying, from topologies generated in advance, a target topology corresponding to the packet, wherein the topologies generated in advance comprise a first topology and a second topology generated according to an MRT algorithm, and a third topology obtained according to an SPF algorithm, wherein the first topology, the second topology and the third topology are different from one another; and the first node identifying, from the target topology, a next hop node for forwarding to the second node, and forwarding the packet to the next hop node. The present invention achieves an object of combining a segmented routing network and an MRT function.

公开(公告)号：US12199880B2

公开(公告)日：2025-01-14

申请号：US18275319

申请日：2022-04-15

Applicant: ZTE CORPORATION

Inventor： Shaofu Peng ,  Xiaowei Ji ,  Yong Qian

IPC: G06F15/173 ,  H04L45/02 ,  H04L45/30 ,  H04L47/11 ,  H04L47/2425

Abstract: Disclosed in embodiments of the present application are a traffic scheduling method, a system, and a storage medium. In the present application, a controller acquires the utilization rate of preset resources in a network, then determines, according to the utilization rate, the load state of each service node on a first SR-TE path having the highest scheduling priority in a pre-created SR-TE path scheduling group, when there is an overloaded service node on the first SR-TE path, determines a second SR-TE path according to the first SR-TE path, sets the scheduling priority of the second SR-TE path to the highest scheduling priority, sets the scheduling priority of the first SR-TE path to a normal scheduling priority, and obtains an updated SR-TE path scheduling group, and finally delivers the updated SR-TE path scheduling group to a headend node on the network.