Patents by Inventor Lehong Niu
Lehong Niu 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: 10205656Abstract: This application discloses a method and an apparatus for updating a manner of processing a packet of a service flow. The method includes a first packet of the service flow is forwarded by using a first service function chain (SFC). A control node obtains a flow identifier and indication information from a service function (SF) node of the first SFC, where the indication information is used to indicate a manner of processing a second packet of the service flow, the flow identifier is used to identify the service flow. The control node obtains the manner of processing the second packet according to the indication information, and sends the flow identifier and the manner of processing the second packet to the processing node, where the manner of processing the second packet does not include forwarding the second packet along the first SFC.Type: GrantFiled: December 29, 2016Date of Patent: February 12, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Junru Lin, Lehong Niu, Hongyu Li, Jing Huang
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Patent number: 10181989Abstract: This application discloses a service chain fault detection method and an apparatus. The method includes: obtaining, by a service forwarding entity SFE, a first fault tracing detection request packet, and then determining to communicate with a first service function SF node, where the first fault tracing detection request packet includes a path identifier ID and an address of a device for initiating fault detection, and the path ID is used to identify a path of a service chain; obtaining, by the SFE, an ID of the first SF node; and sending, by the SFE, a first fault tracing detection response packet to the device for initiating fault detection, where the first fault tracing detection response packet includes the path ID, the ID of the first SF node, and the address of the device for initiating fault detection.Type: GrantFiled: November 23, 2016Date of Patent: January 15, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Weiping Xu, Lehong Niu, Xuhui Bai
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Patent number: 10135636Abstract: The present application discloses a method for generating forwarding information. The method includes: determining, by a controller, a first SFE and a second SFE that are used to forward a service stream, where the first SFE and the second SFE are on a service function chain corresponding to the service stream; generating, by the controller, first forwarding information for the first SFE and generating second forwarding information for the second SFE; and sending, by the controller, the first forwarding information to the first SFE and sending the second forwarding information to the second SFE. According to the method for generating forwarding information, the controller generates forwarding information for the SFE, so that a service chaining technology can be applied to a service environment in which a large quantity of services and a large quantity of service processing function units exist.Type: GrantFiled: September 23, 2016Date of Patent: November 20, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yuanlong Jiang, Lehong Niu, Hengjun Zhu
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Publication number: 20180219785Abstract: An embodiment method includes: a first service atom receives a second packet sent by a central switching device, where a first service packet is encapsulated in the second packet and the second packet further includes a first service path identifier. The first service atom performs first service processing according to information in the first service packet, to obtain a first processing result. The first service atom queries a first path switching entry according to the first processing result and the first service path identifier. The first service atom sends a third packet to the central switching device, where a source device identifier of the third packet is a device identifier of the first service atom, a second service packet is encapsulated in the third packet, and the third packet includes the second service path identifier.Type: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Yong Huang, Hengjun Zhu, Lehong Niu, Jinchun Xu, Xuhui Bai
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Patent number: 9917724Abstract: The present invention provides an access method and system of a customer premise equipment, and a broadband network gateway. The access method of a customer premise equipment includes: receiving, by a BNG in a BNG pool, an access request packet sent by a CPE, where the access request packet carries an identifier of a CPE group to which the CPE belongs; and obtaining, by the BNG, an access policy of the CPE group according to the identifier of the CPE group, and performing access control on the CPE according to the access policy. Through the present invention, a BNG in a BNG pool is enabled to provide an access service for a CPE according to an access policy, so that when a BNG in a BNG pool is faulty, a BNG that is not faulty in the BNG pool can provide an access service for a CPE originally accessing the faulty BNG, thereby improving the reliability of the entire network.Type: GrantFiled: February 22, 2013Date of Patent: March 13, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Lehong Niu, Yong Huang
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Publication number: 20180041364Abstract: An optical network termination (ONT) receives an uplink message, the ONT includes a virtual local area network (VLAN) tagging operation configuration data managed entity (ME) with a VLAN tagging operation table, and each entry of the VLAN tagging operation table includes a group of operation value fields and a group of filter value fields including an outer layer VLAN priority filter value, an outer layer VID filter value, an inner layer VLAN priority filter value and an inner layer VID filter value. The ONT filters the received uplink message according to a characteristic value of the received uplink message by using at least one of the above values in a corresponding entry of the VLAN tagging operation table. The ONT performs a VLAN tagging operation for the filtered o uplink message.Type: ApplicationFiled: October 13, 2017Publication date: February 8, 2018Inventors: Sulin YANG, Lehong NIU
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Patent number: 9794086Abstract: The present invention discloses a message processing method of optical network termination (ONT), including: the ONT receiving an uplink message; the ONT performing a corresponding VLAN tagging operation in accordance with the characteristic value of the uplink message, wherein at least two types of uplink messages with different characteristic values have different VLAN Tags after the uplink messages are processed by the ONT. The present invention also discloses a VLAN Tag processing apparatus, an optical network termination (ONT), and a passive optical network system, which enable subsequent network devices to process the messages from the ONT in diverse ways.Type: GrantFiled: April 21, 2008Date of Patent: October 17, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Sulin Yang, Lehong Niu
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Publication number: 20170111267Abstract: This application discloses a method and an apparatus for updating a manner of processing a packet of a service flow. The method includes a first packet of the service flow is forwarded by using a first service function chain (SFC). A control node obtains a flow identifier and indication information from a service function (SF) node of the first SFC, where the indication information is used to indicate a manner of processing a second packet of the service flow, the flow identifier is used to identify the service flow. The control node obtains the manner of processing the second packet according to the indication information, and sends the flow identifier and the manner of processing the second packet to the processing node, where the manner of processing the second packet does not include forwarding the second packet along the first SFC.Type: ApplicationFiled: December 29, 2016Publication date: April 20, 2017Inventors: Junru Lin, Lehong Niu, Hongyu Li, Jing Huang
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Publication number: 20170078175Abstract: This application discloses a service chain fault detection method and an apparatus. The method includes: obtaining, by a service forwarding entity SFE, a first fault tracing detection request packet, and then determining to communicate with a first service function SF node, where the first fault tracing detection request packet includes a path identifier ID and an address of a device for initiating fault detection, and the path ID is used to identify a path of a service chain; obtaining, by the SFE, an ID of the first SF node; and sending, by the SFE, a first fault tracing detection response packet to the device for initiating fault detection, where the first fault tracing detection response packet includes the path ID, the ID of the first SF node, and the address of the device for initiating fault detection.Type: ApplicationFiled: November 23, 2016Publication date: March 16, 2017Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Weiping XU, Lehong NIU, Xuhui BAI
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Patent number: 9591034Abstract: Embodiments of the present invention disclose a method and a gateway device for managing an address resource, which relate to the field of Internet technologies and can maximally reduce horizontal traffic between gateway devices, thereby improving system performance. The method in the present invention includes: sending an address delegation request message to a management gateway device in a same gateway group, where the management gateway device is configured to manage an address pool(s) or an address in an address pool; receiving a response message sent by the management gateway device, where the response message includes a delegated address, and the delegated address is an address in the address pool(s) managed by the management gateway device; acquiring the delegated address in the response message; and allocating an address in the delegated address to a user terminal in a same user group. The present invention is used for managing the address resource.Type: GrantFiled: August 21, 2014Date of Patent: March 7, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yong Huang, Lehong Niu, Shucheng Liu
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Publication number: 20170012799Abstract: The present application discloses a method for generating forwarding information. The method includes: determining, by a controller, a first SFE and a second SFE that are used to forward a service stream, where the first SFE and the second SFE are on a service function chain corresponding to the service stream; generating, by the controller, first forwarding information for the first SFE and generating second forwarding information for the second SFE; and sending, by the controller, the first forwarding information to the first SFE and sending the second forwarding information to the second SFE. According to the method for generating forwarding information, the controller generates forwarding information for the SFE, so that a service chaining technology can be applied to a service environment in which a large quantity of services and a large quantity of service processing function units exist.Type: ApplicationFiled: September 23, 2016Publication date: January 12, 2017Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yuanlong JIANG, Lehong NIU, Hengjun ZHU
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Patent number: 9426065Abstract: The embodiments of the present invention disclose a method, apparatus and system for implementing routing aggregation, which relate to communication field, and solve the problem that too many routings advertised on the DHCPv6 relay agent leads to huge number of routing table entries of the backbone network. The technical solution of the present invention comprises: sending a message to a dynamic host configuration protocol DHCPv6 relay agent, such that the DHCPv6 relay agent generates an aggregation routing of requesting router prefix routings according to the message; wherein the message comprises information about a prefix pool which assigns address prefixes to the requesting routers access to the DHCPv6 relay agent or aggregation routing destination address information generated according to the information about the prefix pool. The method, apparatus and system for implementing routing aggregation may be applied in DHCPv6 network constructions.Type: GrantFiled: March 13, 2013Date of Patent: August 23, 2016Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Lehong Niu, Shuxiang Wang, Min Zha, Fuqing Huang, Yuxu Ye
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Publication number: 20160112313Abstract: The application provides a service routing packet processing method and apparatus. The method includes: receiving, by a first service router SR, a first service routing packet; querying, by the first SR, a service routing table according to path identification information and identification information of a source service node SN that are carried in the first service routing packet, to determine identification information of a destination SN, where the service routing table includes a correspondence between the path identification information, the identification information of the source SN, and the identification information of the destination SN; generating, by the first SR, a second service routing packet according to the identification information of the destination SN and the first service routing packet; and sending, by the first SR, the second service routing packet. According to the technical solutions of the present invention, support of an independent SN for service routing can be implemented.Type: ApplicationFiled: December 18, 2015Publication date: April 21, 2016Inventor: Lehong Niu
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Publication number: 20160105483Abstract: Embodiments of the present invention provide a method used for an HTTP network, including: receiving, by a BNG, a first HTTP request sent by user equipment; adding, by the BNG, an identifier of the BNG to the first HTTP request, to obtain a second HTTP request; sending, by the BNG, the second HTTP request to an application server; receiving, by the BNG, a third HTTP request sent by the application server, where the third HTTP request includes location information of an image for creating a virtual machine; and obtaining, by the BNG, the image according to the location information, and creating, by the BNG, the virtual machine in the BNG according to the image.Type: ApplicationFiled: December 18, 2015Publication date: April 14, 2016Inventors: Hengjun Zhu, Lehong Niu, Yong Huang
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Publication number: 20160044118Abstract: Embodiments of the present invention provide a method, device and system for carrying out a service in a network. The control apparatus comprises: an orchestrator unit, configured to receive a service request for requesting to carry out a service, wherein the service request comprises service deployment information for requesting to deploy a first service, service flow identification information for identifying a first packet flow and service flow steering information; and a control unit, configured to send the service deployment information to a computing apparatus, and send the service flow identification information and the service flow steering information to an identifying and steering apparatus. Technical solutions of the present invention provide a new service mode, which can meet developing needs of OTT applications.Type: ApplicationFiled: October 22, 2015Publication date: February 11, 2016Inventors: Yong HUANG, Hengjun ZHU, Lehong NIU, Xiaoyu GONG, Min ZHA
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Publication number: 20150365331Abstract: The present invention discloses a service packet processing method, apparatus, and system. The method includes a first service atom receiving a second packet sent by a central switching device, where a first service packet is encapsulated in the second packet and the second packet further includes a first service path identifier. The first service atom performs first service processing according to information in the first service packet, to obtain a first processing result. The first service atom queries a first path switching entry according to the first processing result and the first service path identifier. The first service atom sends a third packet to the central switching device, where a source device identifier of the third packet is a device identifier of the first service atom, a second service packet is encapsulated in the third packet, and the third packet includes the second service path identifier.Type: ApplicationFiled: August 21, 2015Publication date: December 17, 2015Inventors: Yong Huang, Hengjun Zhu, Lehong Niu, Jinchun Xu, Xuhui Bai
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Publication number: 20140362870Abstract: Embodiments of the present invention disclose a method and a gateway device for managing an address resource, which relate to the field of Internet technologies and can maximally reduce horizontal traffic between gateway devices, thereby improving system performance. The method in the present invention includes: sending an address delegation request message to a management gateway device in a same gateway group, where the management gateway device is configured to manage an address pool(s) or an address in an address pool; receiving a response message sent by the management gateway device, where the response message includes a delegated address, and the delegated address is an address in the address pool(s) managed by the management gateway device; acquiring the delegated address in the response message; and allocating an address in the delegated address to a user terminal in a same user group. The present invention is used for managing the address resource.Type: ApplicationFiled: August 21, 2014Publication date: December 11, 2014Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yong HUANG, Lehong Niu, Shucheng Liu
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Publication number: 20140071811Abstract: The present invention provides an access method and system of a customer premise equipment, and a broadband network gateway. The access method of a customer premise equipment includes: receiving, by a BNG in a BNG pool, an access request packet sent by a CPE, where the access request packet carries an identifier of a CPE group to which the CPE belongs; and obtaining, by the BNG, an access policy of the CPE group according to the identifier of the CPE group, and performing access control on the CPE according to the access policy. Through the present invention, a BNG in a BNG pool is enabled to provide an access service for a CPE according to an access policy, so that when a BNG in a BNG pool is faulty, a BNG that is not faulty in the BNG pool can provide an access service for a CPE originally accessing the faulty BNG, thereby improving the reliability of the entire network.Type: ApplicationFiled: February 22, 2013Publication date: March 13, 2014Applicant: Huawei Technologies Co., Ltd.Inventors: Lehong Niu, Yong Huang
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Patent number: 8189471Abstract: A method for mapping a service flow to a service transmission channel includes: configuring determined configuration parameters for a message characteristic into an Optical Network Terminal (ONT); the ONT ensures that the received service flow matches the configured message characteristic; mapping the service flow to a specified service transmission channel. A system and an ONT for mapping the service flow to the service transmission channel are also provided, and the system sets a general service flow mapping module in the ONT. Service flows may be mapped to different service transmission channels based on any predetermined message characteristic by the method, system, and ONT of this invention and it meets the demand of the subdivision service QoS.Type: GrantFiled: July 17, 2008Date of Patent: May 29, 2012Assignee: Huawei Technologies Co., Ltd.Inventors: Wei Wu, Hai Gao, Lehong Niu, Weilong Ouyang
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Patent number: 7792112Abstract: The present invention discloses a method for controlling multicast flow in passive optical network includes: receiving multicast data from the optical line terminal, determining whether the received multicast data satisfies a multicast right control condition, transmitting the multicast data to the user side if the received multicast data satisfies the multicast right control condition, or discarding the multicast data if the received multicast data does not satisfy the multicast right control condition. The present invention also discloses an optical network terminal, an optical line terminal, and a system consisting of an optical network terminal and an optical line terminal and an optical distribute network, which implement the above mentioned method. The present invention could prevent the optical network terminal from receiving illegal multicast data and enhance the multicast security of the whole passive optical network system.Type: GrantFiled: July 3, 2008Date of Patent: September 7, 2010Assignee: Huawei Technologies Co., Ltd.Inventor: Lehong Niu