Patents by Inventor Haomian ZHENG
Haomian ZHENG 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).
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Patent number: 11848698Abstract: A path protection method includes receiving, by a source node of a first path, a path event notify message from a first node on the first path. The path event notify message includes indication information that the first path is predicted to fail. The path protection method further includes obtaining, by the source node, information about a predicted protection path. The information about the predicted protection path includes resource information of a second path useable to protect a service on the first path. The first path and the second path include the source node and a same sink node. The path protection method further includes storing, by the source node, the resource information of the second path.Type: GrantFiled: April 29, 2022Date of Patent: December 19, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Gang Xie, Hao Li, Xianlong Luo, Min Zhao, Haomian Zheng
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Publication number: 20230078178Abstract: Embodiments of this application disclose a service resource preconfiguration method and device, and a system. The method includes establishing a first working path, sending a first path message from a first node to a second node, the first path message including an instruction to the second node to preconfigure a second channel resource; and preconfiguring the second channel resource based on the first path message. Fast automatic service recovery can be implemented, and fault recovery performance can be improved.Type: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiaolin Luo, Haomian Zheng, Gang Xie
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Publication number: 20230007563Abstract: A route calculation method, device, and system. The route calculation method includes: receiving, by a first device, a service request message, where the service request message is used to request the first device to determine a transmission path of a borne service requested by the service request message to be established; and determining, by the first device, a transmission path of the service based on the service request message and first bearing capability information, where the first bearing capability information is used to indicate an actual bearing capability of each link on the transmission path. According to the foregoing solution, the system can calculate a route and configure the service based on an actual service bearing capability of each link of a network.Type: ApplicationFiled: September 14, 2022Publication date: January 5, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Haomian ZHENG, Lei MAO, Zeshan CHANG
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Publication number: 20220394010Abstract: A method, an apparatus, and a system for sending a control request based on a key value configuration. The method includes generating, by a client controller, a control request, wherein having a plurality of configuration parameters, wherein the plurality of configuration parameters comprise a flexible key value, a control object name, and a universally unique identifier (UUID), where the flexible key value identifies a requested control object, and the flexible key value is determined using at least one of the control object name or the UUID, and sending, by the client controller, the control request to a server controller, where the control request indicates to the server controller to configure the control object.Type: ApplicationFiled: August 17, 2022Publication date: December 8, 2022Inventors: Haomian Zheng, Italo Busi, Chaode Yu
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Patent number: 11490178Abstract: This application provides example methods for establishing a service path in a transport network and example systems. One example method includes, obtaining, by an automatically switched optical network (ASON) first node, a service path computation result path. The service path includes the ASON first node, an ASON last node, and at least one first edge network node. The method also includes sending, by the ASON first node, a path establishment request message to a downstream node. The path establishment request message carries cross-connection configuration information of the ASON last node and the at least one first edge network node. The method further includes receiving, by the ASON first node, a path establishment response message of the downstream node. The path establishment response message indicates that cross-connection configuration for the ASON last node and the at least one first edge network node is complete.Type: GrantFiled: June 10, 2021Date of Patent: November 1, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Gang Xie, Hao Li, Haomian Zheng, Zhe Liu
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Publication number: 20220263571Abstract: A path protection method includes receiving, by a source node of a first path, a path event notify message from a first node on the first path. The path event notify message includes indication information that the first path is predicted to fail. The path protection method further includes obtaining, by the source node, information about a predicted protection path. The information about the predicted protection path includes resource information of a second path useable to protect a service on the first path. The first path and the second path include the source node and a same sink node. The path protection method further includes storing, by the source node, the resource information of the second path.Type: ApplicationFiled: April 29, 2022Publication date: August 18, 2022Inventors: Gang XIE, Hao LI, Xianlong LUO, Min ZHAO, Haomian ZHENG
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Patent number: 11251863Abstract: The present disclosure discloses a protection switching method and a node. The method can include: receiving, by an intermediate node, a first protection switching request message sent by an upstream neighboring node, where the first protection switching request message is used to request to activate a first protection path, and the intermediate node is a node on the first protection path; determining, by the intermediate node, that the first protection path needs to occupy N1 timeslots, and selecting N1 timeslots for the first protection path from N2 available timeslots in a preset order; and sending, by the intermediate node, a second protection switching request message to the downstream neighboring node, where the second protection switching request message is used to request the downstream neighboring node to complete a cross-connection, on the first protection path, between the downstream neighboring node and the intermediate node based on the first group of timeslots.Type: GrantFiled: July 10, 2020Date of Patent: February 15, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Haomian Zheng, Yu Zheng, Italo Busi, Qinfen Tan, Qingcong Lu
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Publication number: 20210306724Abstract: This application provides example methods for establishing a service path in a transport network and example systems. One example method includes, obtaining, by an automatically switched optical network (ASON) first node, a service path computation result path. The service path includes the ASON first node, an ASON last node, and at least one first edge network node. The method also includes sending, by the ASON first node, a path establishment request message to a downstream node. The path establishment request message carries cross-connection configuration information of the ASON last node and the at least one first edge network node. The method further includes receiving, by the ASON first node, a path establishment response message of the downstream node. The path establishment response message indicates that cross-connection configuration for the ASON last node and the at least one first edge network node is complete.Type: ApplicationFiled: June 10, 2021Publication date: September 30, 2021Inventors: Gang XIE, Hao LI, Haomian ZHENG, Zhe LIU
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Patent number: 10993005Abstract: A protection switching method, including sending, by a first end node, a first protection switching request message to an intermediate node in response to a fault occurring on a working path between the first end node and a second end node, wherein a protection path of the working path comprises the first end node, the second end node, and at least one intermediate node, receiving, by the first end node, a second protection switching request message from the intermediate node, and switching service data to the protection path for transmission in response to receiving the second protection switching request message, where one overhead frame of each of the first and second protection switching request messages has at least two overhead information groups, and each of the at least two overhead information groups comprises a request type field, a request signal identifier field, and a bridge flag field.Type: GrantFiled: April 29, 2020Date of Patent: April 27, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Haomian Zheng
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Publication number: 20200343971Abstract: The present disclosure discloses a protection switching method and a node. The method can include: receiving, by an intermediate node, a first protection switching request message sent by an upstream neighboring node, where the first protection switching request message is used to request to activate a first protection path, and the intermediate node is a node on the first protection path; determining, by the intermediate node, that the first protection path needs to occupy N1 timeslots, and selecting N1 timeslots for the first protection path from N2 available timeslots in a preset order; and sending, by the intermediate node, a second protection switching request message to the downstream neighboring node, where the second protection switching request message is used to request the downstream neighboring node to complete a cross-connection, on the first protection path, between the downstream neighboring node and the intermediate node based on the first group of timeslots.Type: ApplicationFiled: July 10, 2020Publication date: October 29, 2020Inventors: Haomian ZHENG, Yu ZHENG, Italo BUSI, Qinfen TAN, Qingcong LU
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Publication number: 20200260163Abstract: A protection switching method, including sending, by a first end node, a first protection switching request message to an intermediate node in response to a fault occurring on a working path between the first end node and a second end node, wherein a protection path of the working path comprises the first end node, the second end node, and at least one intermediate node, receiving, by the first end node, a second protection switching request message from the intermediate node, and switching service data to the protection path for transmission in response to receiving the second protection switching request message, where one overhead frame of each of the first and second protection switching request messages has at least two overhead information groups, and each of the at least two overhead information groups comprises a request type field, a request signal identifier field, and a bridge flag field.Type: ApplicationFiled: April 29, 2020Publication date: August 13, 2020Inventor: Haomian Zheng
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Patent number: 10735090Abstract: The present disclosure discloses a protection switching method and a node. The method includes: receiving, by an intermediate node, a first protection switching request message sent by an upstream neighboring node, where the first protection switching request message is used to request to activate a first protection path, and the intermediate node is a node on the first protection path; determining, by the intermediate node, that the first protection path needs to occupy N1 timeslots, and selecting N1 timeslots for the first protection path from N2 available timeslots in a preset order; and sending, by the intermediate node, a second protection switching request message to the downstream neighboring node, where the second protection switching request message is used to request the downstream neighboring node to complete a cross-connection, on the first protection path, between the downstream neighboring node and the intermediate node based on the first group of timeslots.Type: GrantFiled: March 21, 2019Date of Patent: August 4, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Haomian Zheng, Yu Zheng, Italo Busi, Qinfen Tan, Qingcong Lu
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Patent number: 10715390Abstract: Embodiments of the present invention disclose a service optimization method, a transport controller (TC), a client controller (CC), and a service optimization system. The method includes: receiving, by a TC, an optimization request from a CC; sending, by the TC, an answer message to the CC when determining that an idle resource in a resource pool can meet an optimization requirement of the CC; receiving, by the TC, an optimization instruction of the CC; and optimizing, by the TC according to the optimization policy in the optimization instruction, the service identified in the optimization instruction. When an idle network resource in the resource pool can meet the optimization requirement of the CC, the TC executes the optimization policy that meets the optimization requirement of the CC, so as to reduce a service interruption phenomenon in a service optimization process.Type: GrantFiled: April 12, 2017Date of Patent: July 14, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Haomian Zheng, Hong Liu
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Patent number: 10708083Abstract: A customer network controller (CNC) including a processor and a memory. The processor is configured to use a virtual private network (VPN)-specific service model for a VPN service and map the VPN-specific service model to one or more traffic engineering (TE)-specific parameters. The memory is coupled to the processor and configured to store a mapping between a VPN identification (ID) of the VPN service corresponding to the VPN-specific service model and a tunnel ID of either an existing TE tunnel or newly-established TE tunnel for the VPN service. The existing TE tunnel or the newly established TE tunnel satisfies the one or more TE-specific parameters.Type: GrantFiled: October 18, 2019Date of Patent: July 7, 2020Assignee: Futurewei Technologies, Inc.Inventors: Young Lee, Dhruv Dhody, Haomian Zheng, Ricard Vilalta
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Patent number: 10674240Abstract: A protection switching method, including sending, by a first end node, a first protection switching request message to an intermediate node in response to a fault occurring on a working trail between the first end node and a second end node, wherein a protection trail of the working trail comprises the first end node, the second end node, and at least one intermediate node, receiving, by the first end node, a second protection switching request message from the intermediate node, and switching service data to the protection trail for transmission in response to receiving the second protection switching request message, where one overhead frame of each of the first and second protection switching request messages has at least two overhead information groups, and each of the at least two overhead information groups comprises a request type field, a request signal identifier field, and a bridge flag field.Type: GrantFiled: July 18, 2018Date of Patent: June 2, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Haomian Zheng
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Patent number: 10666562Abstract: Embodiments of the present invention provide a network path computation method, apparatus and system, where the method includes: sending, by a first node, a path computation request to a first path computation element PCE, where the path computation request includes a resource sharing object, and a head node and a last node of a first label switched path LSP; and receiving, by the first node, a path computation result that is returned by the first PCE and that is obtained by means of computation according to the resource sharing object, and establishing a second path from the head node to the last node according to the path computation result. According to the network path computation method, apparatus, and system provided in the embodiments of the present invention, link resource utilization can be improved.Type: GrantFiled: August 12, 2016Date of Patent: May 26, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Haomian Zheng, Xian Zhang, Yi Lin
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Patent number: 10623304Abstract: A computer implemented method of configuring an optical path includes selecting with one or more processors a wavelength for the optical path, generating with one or more processors, a first request for a first type of node in the optical path, generating with one or more processors a second request for a second type of node in the optical path, the second type of node having different data plane capabilities than the first type of node, wherein the first and second requests are generated as a function of a joint configuration model accommodating both types of nodes, and sending the first request from the one or more processors to the first type of node and the second request to the second type of node to configure the optical path.Type: GrantFiled: January 17, 2018Date of Patent: April 14, 2020Assignee: Futurewei Technologies, Inc.Inventors: Young Lee, Italo Busi, Ricard Vilalta, Haomian Zheng
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Publication number: 20200052928Abstract: A customer network controller (CNC) including a processor and a memory. The processor is configured to use a virtual private network (VPN)-specific service model for a VPN service and map the VPN-specific service model to one or more traffic engineering (TE)-specific parameters. The memory is coupled to the processor and configured to store a mapping between a VPN identification (ID) of the VPN service corresponding to the VPN-specific service model and a tunnel ID of either an existing TE tunnel or newly-established TE tunnel for the VPN service. The existing TE tunnel or the newly established TE tunnel satisfies the one or more TE-specific parameters.Type: ApplicationFiled: October 18, 2019Publication date: February 13, 2020Inventors: Young Lee, Dhruv Dhody, Haomian Zheng, Ricard Vilalta
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Patent number: 10530631Abstract: A computer-implemented method of requesting a path on a flexi-grid network comprises: sending, by a path computation client (PCC), a request for a path to a path computation element (PCE), the request including the request including: a label that identifies spectrum to be restricted from use in the path; and a channel spacing field; and receiving, by the PCC and from the PCE, a response to the request, the response including an identifier of an assigned path on the flexi-grid network.Type: GrantFiled: March 19, 2018Date of Patent: January 7, 2020Assignee: Futurewei Techologies, Inc.Inventors: Young Lee, Haomian Zheng
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Patent number: 10516550Abstract: A CNC includes a processor configured to import a VPN-specific service model for a VPN service and map the VPN-specific service model to one or more TE-specific parameters. The CNC includes a memory coupled to the processor and configured to store a mapping between a VPN ID of the VPN service and a tunnel ID of a TE tunnel established for the VPN service. The TE tunnel satisfies the one or more TE-specific parameters.Type: GrantFiled: February 26, 2018Date of Patent: December 24, 2019Assignee: Futurewei Technologies, Inc.Inventors: Young Lee, Dhruv Dhody, Haomian Zheng, Ricard Vilalta