Patents by Inventor Fangwei Hu

Fangwei Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11489768
    Abstract: Provided is a method for creating an inter-domain bidirectional tunnel. The method includes: receiving, by a node, a path creation message sent by a path computation element, the path creation message including mapping path information for creating an inter-domain label switched path (LSP), and bidirectional tunnel instruction information, and obtaining, by the node, an actual transmission path, which is used for data transmission between intra-domain or inter-domain nodes, based on the mapping path information and the bidirectional tunnel instruction information. The present disclosure further provides a communication method, a communication device, and a computer-readable storage medium.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 1, 2022
    Assignee: ZTE CORPORATION
    Inventors: Fangwei Hu, Quan Xiong, Shuangping Zhan
  • Patent number: 11489765
    Abstract: A data processing method and device, and a computer readable storage medium, the data processing method, applied to a node in an Information-Centric Network (ICN), includes: acquiring a first offset address corresponding to a first ICN packet; querying a record pointed to by the first offset address and performing data processing according to a query result; the record pointed to by the first offset address is used to store a storage address of a second ICN packet or forwarding information of the second ICN packet in response to the second ICN packet corresponding to the first ICN packet being stored locally.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: November 1, 2022
    Assignee: ZTE Corporation
    Inventors: Yansong Wang, Fangwei Hu, Guangping Huang, Zhuo Li, Kaihua Liu
  • Patent number: 11316784
    Abstract: A method and a device for processing a packet by using a unified SR label stack, relating to the field of PTN. The method includes: allocating, according to a type of a forwarding plane, a compatibility indicator indicating that a unified U-SRH is carried, for a service packet entering the forwarding plane; adding an SR label stack, the U-SRH and the compatibility indicator to the service packet to obtain an extended packet; and processing and forwarding the extended packet in the forwarding plane according to the SR label stack, the U-SRH and the compatibility indicator. According to embodiments of the present disclosure, the unified SR label stack is used to simplify an application of SR technology in different forwarding planes, and uniformity of SR encapsulation format is enhanced.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: April 26, 2022
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Aihua Liu, Shuangping Zhan, Fangwei Hu
  • Publication number: 20210352012
    Abstract: Provided is a method for creating an inter-domain bidirectional tunnel. The method includes: receiving, by a node, a path creation message sent by a path computation element, the path creation message including mapping path information for creating an inter-domain label switched path (LSP), and bidirectional tunnel instruction information, and obtaining, by the node, an actual transmission path, which is used for data transmission between intra-domain or inter-domain nodes, based on the mapping path information and the bidirectional tunnel instruction information. The present disclosure further provides a communication method, a communication device, and a computer-readable storage medium.
    Type: Application
    Filed: September 26, 2019
    Publication date: November 11, 2021
    Inventors: Fangwei HU, Quan XIONG, Shuangping ZHAN
  • Patent number: 11075833
    Abstract: Provided are a packet forwarding method based on BIER-TE, a node device and a storage medium. The method includes: acquiring X bit string sub-package structures from a BIER-TE based message; and forwarding the message according to the X bit string sub-package structures, where X is greater than or equal to 1.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: July 27, 2021
    Inventors: Quan Xiong, Zheng Zhang, Fangwei Hu, Jinghai Yu
  • Publication number: 20210168069
    Abstract: A data processing method and device, and a computer readable storage medium, the data processing method, applied to a node in an Information-Centric Network (ICN), includes: acquiring a first offset address corresponding to a first ICN packet; querying a record pointed to by the first offset address and performing data processing according to a query result; the record pointed to by the first offset address is used to store a storage address of a second ICN packet or forwarding information of the second ICN packet in response to the second ICN packet corresponding to the first ICN packet being stored locally.
    Type: Application
    Filed: April 3, 2019
    Publication date: June 3, 2021
    Inventors: Yansong WANG, Fangwei HU, Guangping HUANG, Zhuo LI, Kaihua LIU
  • Publication number: 20210099382
    Abstract: A method and a device for processing a packet by using a unified SR label stack, relating to the field of PTN. The method includes: allocating, according to a type of a forwarding plane, a compatibility indicator indicating that a unified U-SRH is carried, for a service packet entering the forwarding plane; adding an SR label stack, the U-SRH and the compatibility indicator to the service packet to obtain an extended packet; and processing and forwarding the extended packet in the forwarding plane according to the SR label stack, the U-SRH and the compatibility indicator. According to embodiments of the present disclosure, the unified SR label stack is used to simplify an application of SR technology in different forwarding planes, and uniformity of SR encapsulation format is enhanced.
    Type: Application
    Filed: February 12, 2019
    Publication date: April 1, 2021
    Inventors: Aihua LIU, Shuangping ZHAN, Fangwei HU
  • Publication number: 20210092046
    Abstract: Provided are a packet forwarding method based on BIER-TE, a node device and a storage medium. The method includes: acquiring X bit string sub-package structures from a BIER-TE based message; and forwarding the message according to the X bit string sub-package structures, where X is greater than or equal to 1.
    Type: Application
    Filed: July 11, 2018
    Publication date: March 25, 2021
    Inventors: Quan XIONG, Zheng ZHANG, Fangwei HU, Jinghai YU
  • Patent number: 10230619
    Abstract: A message processing method in a multi-homing access overlay network, comprising: when an edge device receives a data message from a multi-homing access bound interface, setting an identifier indicating that the data message is from multi-homing access in the overlay encapsulation performed on the data message, and sending the data message after the overlay encapsulation to the overlay network.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: March 12, 2019
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventors: Ting Liao, Xuehui Dai, Fangwei Hu
  • Publication number: 20180205636
    Abstract: Disclosed are a Bit Indexed Explicit Replication (BIER) packet transmission method and device. The method includes: encapsulating, by a BIER node, a BIER packet according to link capability attribute information supported by a non-BIER node carried by an extended Interior Gateway Protocol (IGP); and transmitting, by the BIER node, an encapsulated BIER packet to the non-BIER node.
    Type: Application
    Filed: March 9, 2016
    Publication date: July 19, 2018
    Inventors: Fangwei HU, Zheng ZHANG
  • Patent number: 10003469
    Abstract: Provided is a method for multicast forwarding in a TRILL network. The method includes that: when receiving remote multicast data, a routing bridge forwards the multicast data according to capability information of terminals adhered to the routing bridge. An apparatus and a routing bridge for multicast forwarding in a TRILL network are also provided. The technical solutions of the present disclosure take the scenario that a smart terminal and an ordinary terminal together access a TRILL network into consideration, so that address learning is performed between smart terminals through the multicast data, thereby ensuring normal data transmission.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: June 19, 2018
    Assignee: ZTE CORPORATION
    Inventors: Fangwei Hu, Ting Liao
  • Patent number: 9998352
    Abstract: A method and system for sending a flow table in a Software Defined Network (SDN) are described in the present disclosure, an OpenFlow (OF) controller, and an OF switch. The method includes that an OF switch receives a flow table entry modification message sent from an OF controller, wherein the message includes a table number, a flow table entry, and a cache label; and the OF switch stores, in a control module of the OF switch, the table number and the flow table entry in the flow table entry modification message according to an indication of the cache label.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: June 12, 2018
    Assignee: ZTE Corporation
    Inventors: Qiandeng Liang, Jianjie You, Wei Wan, Fangwei Hu
  • Publication number: 20170373966
    Abstract: The present disclosure discloses a message transmission method, including: carrying a routing label and segment list information in a message, and transmitting the routing label and the segment list information along with the message in a message transmission process; the routing label being used for indicating that the message carries the segment list information, and the segment list information being used for representing a transmission path of the message. The present disclosure further discloses four nodes, two path management servers and a storage medium at the same time.
    Type: Application
    Filed: August 21, 2014
    Publication date: December 28, 2017
    Inventors: Ting LIAO, Fangwei HU, Bo WU, Liang FAN
  • Publication number: 20170289004
    Abstract: Disclosed are a flow table ageing method, device and system and a computer-readable medium. The method can comprise: a switch receives a flow table configuration message issued by a controller; the switch sets a data volume life cycle parameter value of a flow table according to the flow table configuration message; and when a data volume matched according to the flow table of the switch reaches the data volume life cycle parameter value of the flow table, the switch ages the flow table.
    Type: Application
    Filed: December 23, 2014
    Publication date: October 5, 2017
    Inventors: Fangwei Hu, Qifeng Liu
  • Patent number: 9503369
    Abstract: Provided are a nickname and a transparent interconnection of lots of links (TRILL) packet processing method and apparatus. The method includes: a routing bridge (RB) in a TRILL network allocating a nickname to a terminal attached to the RB, the nickname being used for forwarding a packet in the TRILL network; and the RB sending the allocated nickname to the terminal, the terminal encapsulating, according to the nickname, a TRILL packet which uses a fine grained label to distinguish a multi-tenant service.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: November 22, 2016
    Assignee: ZTE CORPORATION
    Inventor: Fangwei Hu
  • Publication number: 20160261419
    Abstract: Provided is a method for multicast forwarding in a TRILL network. The method includes that: when receiving remote multicast data, a routing bridge forwards the multicast data according to capability information of terminals adhered to the routing bridge. An apparatus and a routing bridge for multicast forwarding in a TRILL network are also provided. The technical solutions of the present disclosure take the scenario that a smart terminal and an ordinary terminal together access a TRILL network into consideration, so that address learning is performed between smart terminals through the multicast data, thereby ensuring normal data transmission.
    Type: Application
    Filed: November 27, 2013
    Publication date: September 8, 2016
    Inventors: Fangwei Hu, Ting Liao
  • Publication number: 20160218957
    Abstract: A method and system for sending a flow table in a Software Defined Network (SDN) are described in the present disclosure, an OpenFlow (OF) controller, and an OF switch. The method includes that an OF switch receives a flow table entry modification message sent from an OF controller, wherein the message includes a table number, a flow table entry, and a cache label; and the OF switch stores, in a control module of the OF switch, the table number and the flow table entry in the flow table entry modification message according to an indication of the cache label.
    Type: Application
    Filed: June 20, 2014
    Publication date: July 28, 2016
    Applicant: ZTE Corporation
    Inventors: Qiandeng Liang, Jianjie You, Wei Wan, Fangwei Hu
  • Publication number: 20150365316
    Abstract: A message processing method in a multi-homing access overlay network, comprising: when an edge device receives a data message from a multi-homing access bound interface, setting an identifier indicating that the data message is from multi-homing access in the overlay encapsulation performed on the data message, and sending the data message after the overlay encapsulation to the overlay network.
    Type: Application
    Filed: September 11, 2013
    Publication date: December 17, 2015
    Inventors: Ting LIAO, Xuehui DAI, Fangwei HU
  • Publication number: 20150139234
    Abstract: Provided are a nickname and a transparent interconnection of lots of links (TRILL) packet processing method and apparatus. The method includes: a routing bridge (RB) in a TRILL network allocating a nickname to a terminal attached to the RB, the nickname being used for forwarding a packet in the TRILL network; and the RB sending the allocated nickname to the terminal, the terminal encapsulating, according to the nickname, a TRILL packet which uses a fine grained label to distinguish a multi-tenant service.
    Type: Application
    Filed: May 28, 2013
    Publication date: May 21, 2015
    Applicant: ZTE Corporation
    Inventor: Fangwei Hu
  • Patent number: 8898334
    Abstract: The invention discloses a system for network deployment and a method for mapping and data forwarding thereof. The system for network deployment comprises Distributed Hash Table (DHT) servers and DHT border servers, wherein at least one DHT border server and one DHT server are connected to form a server ring which constitutes a distributed mapping database used for storing a mapping relationship between Endpoint Identifiers (EIDs) and Routing Locators (RLOCs), and the server rings are connected with each other through the DHT border servers, wherein the DHT border server is configured to notify the EID prefix information in a present server ring to other server rings and monitor the DHT messages of the distributed mapping database. By the present invention, the network deployment and cross-domain data forwarding based on the DHT are achieved.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: November 25, 2014
    Assignee: ZTE Corporation
    Inventor: Fangwei Hu