公开(公告)号：US20240179573A1

公开(公告)日：2024-05-30

申请号：US18552483

申请日：2022-03-08

Applicant: ZTE CORPORATION

Inventor： Ran CHEN ,  Shaofu PENG ,  Min XIAO

IPC: H04W28/16 ,  H04L41/40

CPC classification number: H04W28/16 ,  H04L41/40

Abstract: Provided are an information transmission method and apparatus, a network node, a controller and a storage medium. The method is applied to a network node and includes: acquiring slice-associated resource information for each link in a network and transmitting the resource information.

公开(公告)号：US20240121178A1

公开(公告)日：2024-04-11

申请号：US18276230

申请日：2022-01-11

Applicant: ZTE Corporation

Inventor： Yao LIU ,  Yubao WANG ,  Shaofu PENG

IPC: H04L45/28

CPC classification number: H04L45/28 ,  H04L12/4675

Abstract: Provided are a failure protection method and apparatus, a storage medium, and an electronic device. The method includes: configuring a protection relationship on a standby node, wherein the protection relationship is configured to indicate an object to be protected by the standby node; receiving SID information advertised by a primary node, wherein the SID information at least includes: an SID network programming function type and an SID value; matching the SID network programming function type with an SID network programming function type of the standby node, matching the SID value with the protection relationship, and in a case where the SID network programming function type is successfully matched with an SID network programming function type of the standby node and the SID value is successfully matched with the protection relationship, generating a protection entry.

公开(公告)号：US20240114013A1

公开(公告)日：2024-04-04

申请号：US18276280

申请日：2022-02-08

Applicant: ZTE CORPORATION

Inventor： Na ZHOU ,  Xincheng YAN ,  Shaofu PENG

IPC: H04L9/40 ,  H04L45/00

CPC classification number: H04L63/0435 ,  H04L45/566 ,  H04L63/0407

Abstract: The present disclosure provides a packet processing method including: in response to a first service packet from a client to a server, replacing a source address of the first service packet with an encrypted client segment identifier corresponding to the client; encrypting the source address and a destination address of the first service packet using a public key of the server according to the encrypted server segment identifier, and sending an encrypted first service packet to the server; in response to a second service packet from the server, decrypting a source address and a destination address of the second service packet using a private key of the client, and replacing the destination address of the second service packet with an address of the client. A packet processing method applied to a server end device, a client end device, a server end device, and a computer-readable medium are further provided.

公开(公告)号：US20230040579A1

公开(公告)日：2023-02-09

申请号：US17787897

申请日：2020-12-07

Applicant: ZTE CORPORATION

Inventor： Shaofu PENG

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

Abstract: Provided are a BIER packet forwarding method and apparatus, a device and a storage medium. The 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：US20220255853A1

公开(公告)日：2022-08-11

申请号：US17622743

申请日：2020-06-24

Applicant: ZTE CORPORATION

Inventor： Shaofu PENG ,  Bing SONG

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

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：US20190334814A1

公开(公告)日：2019-10-31

申请号：US16311267

申请日：2017-07-04

Applicant: ZTE Corporation

Inventor： Shaofu PENG ,  Huilai WANG ,  Jinsong SUN

IPC: H04L12/723 ,  H04L12/745 ,  H04L12/707 ,  H04L12/66 ,  H04L12/46

Abstract: A path establishment method and device, and a network node are provided. The method includes: on a first node in a path from an ingress node to an egress node, a label of a host Forwarding Equivalence Class (FEC) of the egress node is taken as the label of a parasitic FEC of the egress node, and a Multiprotocol Label Switching (MPLS) based Label Switched Path (LSP) corresponding to the parasitic FEC is established. The label is an incoming label, or an outgoing label, or a combination of an incoming label and an outgoing label.

公开(公告)号：US20190273678A1

公开(公告)日：2019-09-05

申请号：US16320016

申请日：2017-07-13

Applicant: ZTE CORPORATION

Inventor： Shaofu PENG ,  Jie HAN

IPC: H04L12/753 ,  H04L12/721 ,  H04L12/741 ,  H04L12/707

Abstract: Provided is a method and a device for forwarding a packet. The method includes: receiving, by a first node, a packet to be forwarded, where a destination address of the packet is a second node; searching, by the first node, a plurality of pre-generated paths for a target path corresponding to the packet, where the plurality of pre-generated paths include a first path, a second path and a third path; searching, by the first node, a plurality of pre-generated segment lists for a target segment list corresponding to the target path when the target path is one of the first path or the second path; and searching, by the first node, the target path for a next hop node for forwarding to the second node and forwarding the packet to the next hop node according to the target segment list.

公开(公告)号：US20250097151A1

公开(公告)日：2025-03-20

申请号：US18725932

申请日：2022-08-30

Applicant: ZTE CORPORATION

Inventor： Shaofu PENG ,  Bin TAN

IPC: H04L45/76 ,  H04L45/12

Abstract: A path calculation method, which is applied to a head node, may include: acquiring virtual networks and Cyclic Queuing and Forwarding (CQF) scheduling parameters supported by nodes, where each of the nodes supports at least one CQF scheduling parameter; acquiring a target binding relationship, where the target binding relationship is a binding relationship between a target virtual network and a target CQF scheduling parameter; determining a plurality of target nodes and a plurality of target links belonging to the target virtual network according to the target binding relationship and the virtual networks and the CQF scheduling parameters supported by the nodes; and calculating a target path to a tail node in the target virtual network according to the plurality of target nodes, the plurality of target links, and the target CQF scheduling parameter.

公开(公告)号：US20240129246A1

公开(公告)日：2024-04-18

申请号：US18275319

申请日：2022-04-15

Applicant: ZTE CORPORATION

Inventor： Shaofu PENG ,  Xiaowei JI ,  Yong QIAN

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

CPC classification number: H04L47/2433 ,  H04L45/02 ,  H04L45/30 ,  H04L47/11

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.

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.