Patents Assigned to H3C TECHNOLOGIES CO., LTD.
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Patent number: 12355673Abstract: The embodiments of the present disclosure provide a packet forwarding method, a packet forwarding apparatus, and an electronic device. In the embodiments of the present disclosure, by setting up a corresponding outbound-interface-direction-queue scheduling period for the outbound interface on the network device, a number of time slices in the outbound-interface-direction-queue scheduling period, and a length of one time slice, and allocating corresponding time slices in the outbound-interface-direction-queue scheduling period to the outbound-interface-direction queues corresponding to the outbound interface, such that the network device can schedule, on each time slice in the outbound-interface-direction-queue scheduling period, packets in the outbound-interface-direction queue corresponding to the time slice.Type: GrantFiled: November 27, 2020Date of Patent: July 8, 2025Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Wei Wang
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Patent number: 12335332Abstract: The present disclosure provides a method of protecting a device and a device. The method includes: obtaining a plurality of pieces of first security event information generated during operation of the edge security device; performing statistical analysis on the plurality of pieces of first security event information, so as to obtain first statistical analysis information; transmitting the first statistical analysis information to a central security device, so that the central security device generates a first target protection template based on the first statistical analysis information; wherein the first target protection template includes a security protection strategy generated based on the first statistical analysis information; receiving the first target protection template transmitted by the central security device; and protecting the edge security device based on the security protection strategy in the first target protection template.Type: GrantFiled: April 30, 2020Date of Patent: June 17, 2025Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Fengxian Huang
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Publication number: 20250175438Abstract: A method applied to a management/control plane entity (MCPE), comprises: determining a virtual periodic forwarding path (VPFP) of a DetNet flow; for the target egress interface on each node in the VPFP, planning a target scheduling cycle for scheduling and transmitting the DetNet flow; wherein the target scheduling cycle of the target egress interface on any node other than the head node in the VPFP is determined based on the scheduling cycle mapping relationship between a previous hop node of the any node and the any node and the target scheduling cycle of the target egress interface on the previous hop node; from an available transmission resource corresponding to the target scheduling cycle of the target egress interface on each node in the VPFP, reserving a target transmission resource for transmitting the DetNet flow within the target scheduling cycle.Type: ApplicationFiled: December 8, 2022Publication date: May 29, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Publication number: 20250119377Abstract: Examples of the present disclosure provide packet forwarding methods, a network device and a storage medium. In the examples of the present disclosure, the automation of deploying SRv6 in a layer three network is achieved by automatically allocating different locators to the gateway device and different APs connected to the gateway device, so as to fully utilize the advantages brought by SRv6 in the layer three network. Further, in this example, an SRv6 tunnel is deployed between the gateway device and the AP based on locators allocated to the gateway device and the AP, and the packet is transmitted between the gateway device and the AP through the SRv6 tunnel, thus achieving the packet forwarding method applied to the layer three network with SRv6 deployed.Type: ApplicationFiled: March 30, 2022Publication date: April 10, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Jinrong YE
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Publication number: 20250071049Abstract: A communication method, and a communication apparatus are provided. A first network apparatus forwards traffic based on a first forwarding entry in response to a determination that the first forwarding entry for forwarding traffic is not aged. The first network apparatus sends a first packet, in response to a determination that the first network apparatus is a network apparatus performing traffic switchover, to a third network apparatus so that the third network apparatus is to regenerate a forwarding path to reach a target network apparatus through the second network apparatus. The third network apparatus is an apparatus accessed by both the first network apparatus and the second network apparatus, and a path from the third network apparatus to the first network apparatus and a path from the third network apparatus to the second network apparatus are equal-cost paths.Type: ApplicationFiled: August 23, 2024Publication date: February 27, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Meng WANG, Haifeng ZHAO
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Publication number: 20250039103Abstract: Deterministic flow transmission methods and systems, and electronic devices are provided by the present application. In embodiments of the present application, the first service packet sent by the first transmission node within a certain scheduling cycle is specified to enter a certain cyclic scheduling queue of the second transmission node (that is, the specified cyclic scheduling queue), so as to ensure that the first service packet is scheduled and forwarded on time by the second transmission node.Type: ApplicationFiled: July 19, 2022Publication date: January 30, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Publication number: 20250030623Abstract: The present application provides a method for delivering in-situ flow information telemetry (IFIT) configuration through a border gateway protocol (BGP), an electronic device and a storage medium. In an example of the present disclosure, by extending the BGP UPDATE packet in the BGP, the extended BGP UPDATE packet carries the IFIT parameters and is dynamically delivered to the headend in the SR policy, which realizes that the network device can dynamically deliver the IFIT parameters based on the BGP.Type: ApplicationFiled: March 30, 2022Publication date: January 23, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Jinrong YE, Yuanxiang QIU
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Publication number: 20250023653Abstract: Embodiments of the present disclosure provide cycle synchronization methods, systems and apparatuses, and electronic devices. In an embodiment, without depending on strict clock synchronization of the transmission nodes at both ends, it is simply required to adjust a width of a scheduling cycle for packet queue scheduling in the transmission node at one end to enable the error between the adjusted width of the scheduling cycle and a width of a scheduling cycle for packet queue scheduling in the other transmission node to be within a preset synchronization range, so as to achieve weak synchronization of the transmission nodes at both ends in deterministic flow transmission, ensuring normal forwarding of the deterministic flow.Type: ApplicationFiled: July 29, 2022Publication date: January 16, 2025Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Patent number: 12199870Abstract: The invention relates to a congestion processing method, apparatus, network device and storage medium. The method comprises: receiving a first data packet carrying a congestion mark through a target port; searching, in a preset greedy flow table, a target table entry that includes target flow information carried in the first data packet and an identifier of the target port, and the preset greedy flow table stores flow information of a data flow whose traffic is greater than a preset traffic threshold and an identifier of a port that receives the data flow corresponding to the flow information; processing, if the target table entry is found, the first data packet; removing, if the target table entry is not found, the congestion mark carried in the first data packet to obtain a second data packet, and processing the second data packet.Type: GrantFiled: June 29, 2021Date of Patent: January 14, 2025Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong Guo
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Patent number: 12160431Abstract: The present disclosure provides a method and an apparatus for monitoring an abnormal host, and a data processing device. The method includes: host information of a deployed host is obtained from a controller, where the host information includes address information of the deployed host; routing information of a to-be-detected host is obtained, where the routing information includes the address information of the to-be-detected host; it is determined whether the address information of the deployed host includes the address information of the to-be-detected host; and it is determined that the to-be-detected host is an abnormal host when the address information of the deployed host does not include the address information of the to-be-detected host.Type: GrantFiled: March 19, 2020Date of Patent: December 3, 2024Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Yefei Hou
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Publication number: 20240323136Abstract: A packet transmission method includes: after an output forwarding and processing unit obtains a packet, if the packet belongs to a deterministic flow, storing the packet into a deterministic flow input queue; for each packet in the deterministic flow input queue, determining encapsulation information corresponding to the packet, wherein the encapsulation information at least includes cyclic queue (CQ) queue information; encapsulating the packet based on the encapsulation information, and storing the packet into a deterministic flow output queue; obtaining, by an output interface unit, a packet from the deterministic flow output queue and based on the CQ queue information corresponding to the packet, storing the packet into a CQ queue corresponding to the CQ queue information; determining, by the output interface unit, a target CQ queue corresponding to a current scheduling cycle, and sending a packet in the target CQ queue to an external device within the current scheduling cycle.Type: ApplicationFiled: December 29, 2021Publication date: September 26, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Daorong GUO, Guangliang WEN, Zhen CHENG, Hui LIN
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Patent number: 12095662Abstract: Embodiments of the present disclosure provide an in-situ flow detection method and an electronic device. The method includes: receiving a first service packet carrying a first packet header, where the first packet header includes at least a first in-situ flow detection option which is added to the first packet header by an ingress node of a first network domain and is for indicating an in-situ flow detection; and when the network device is an ingress node of a second network domain, forwarding a second service packet in the second network domain; where the second service packet is obtained by encapsulating a second packet header in an outer layer of the first service packet, the second packet header includes at least a second in-situ flow detection option.Type: GrantFiled: March 25, 2021Date of Patent: September 17, 2024Assignee: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Yuanxiang Qiu
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Publication number: 20240298353Abstract: Provided in the present application are a random access method, and an electronic device and a storage medium. In the method, for different services, different preamble ranges are delineated and different priorities are set, such that each user terminal selects a preamble from within a preamble range corresponding to a service that is borne by the user terminal itself and sends the preamble to a base station; and the base station responds to the access of the user terminals according to the priorities of services corresponding to the acquired preambles, and the access of the user terminal that bears a service having a high priority (having a higher requirement for a delay) is preferentially responded to thereby.Type: ApplicationFiled: November 22, 2022Publication date: September 5, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Tingting GAO
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Publication number: 20240275712Abstract: The present application provides a method and apparatus for synchronizing information between switches. The method includes: acquiring to-be-synchronized target data; sending BGP routes carrying the target data through BGP sessions established between the switch with one or more designated switches, so that the target data is synchronized between the switch and target switches that need to synchronize with the switch.Type: ApplicationFiled: October 28, 2021Publication date: August 15, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Changwang LIN, Mengxiao CHEN, Hao LI
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Publication number: 20240275728Abstract: The present application provides a method and an apparatus for transmitting DetNet flow. Through the embodiments of the present application, the embodiment can realize providing DetNet flow forwarding on the basis of the existing best-effort flow forwarding. Further, through the above distribution thread, DFT, and CFT in a network device, it can be ensured that the DetNet flow forwarding is not affected by best-effort flow forwarding, and the mutual compatibility of existing best-effort flow forwarding and DetNet flow forwarding can be guaranteed.Type: ApplicationFiled: December 15, 2021Publication date: August 15, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Publication number: 20240275735Abstract: A Deterministic Traffic (DT) transmission method and device is provided. The method includes: in a case where it is determined that a received packet belongs to a DT, and the packet does not carry Cycle Specified Queuing and Forwarding (CSQF) domain schedule information, determining a target time slot number corresponding to an arrival time of the packet; according to the target time slot number, querying a time slot schedule cycle mapping table at an egress interface for the packet, and determining a target cycle schedule queue corresponding to the target time slot number, where the time slot schedule cycle mapping table is determined based on intra-node jitter at the network node, and is used to record a mapping relationship between a time slot number and a cycle schedule queue number; scheduling the packet to the target cycle schedule queue at the egress interface for the packet.Type: ApplicationFiled: December 29, 2021Publication date: August 15, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Publication number: 20240275714Abstract: A multicast forwarding method comprises: establishing, by a network device, BIER multicast forwarding information for joining a target multicast group according to a multicast join packet initiated by a multicast receiver connected to a second edge node in a second AS, the second edge node serving as a BFER in a second BIER domain, the target multicast group being a multicast group to which a multicast source connected to a first edge node in a first AS belongs, and the first edge node serving as a BFIR in a first BIER domain; and modifying a BFR ID of the second edge node carried in the multicast join packet into a first BFR ID, and continuing to send the multicast join packet to the first edge node, wherein the first BFR ID is a BFR ID configured when the network device is deployed as the BFER in the first BIER domain.Type: ApplicationFiled: December 14, 2021Publication date: August 15, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Yuanxiang QIU
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Publication number: 20240275708Abstract: The present application provides methods and apparatuses for collecting CSQF schedule cycles applied to a deterministic network. For a head node on a transmission path, according to receiving time stamps of the head node receiving test packets and sending time stamps of the head node scheduling to send test packets, information on a CSQF schedule cycle of the head node is determined; for a non-head node, according to information on CSQF schedule cycles of other transmission nodes before the non-head node, test packets corresponding to the non-head node, when arriving at the other transmission nodes before the transmission node, are controlled to enter receiving queues RQs of the other transmission nodes, and according to receiving time stamps of the non-head node receiving test packets and sending time stamps of the non-head node scheduling to send test packets, information on a CSQF schedule cycle of the transmission node is determined.Type: ApplicationFiled: December 29, 2021Publication date: August 15, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO
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Publication number: 20240259980Abstract: The present disclosure provides a method and an apparatus for user equipment (UE) registering, an electronic device and a storage medium. Under 5G core network slice isolation networking, when an AMF network element detects that a UE is unsuccessfully registered on the AMF network element, the AMF network element sends to the UE a registration reject message comprising at least a first cell and a second cell. In this way, when the UE sends registration information again, the UE can select target network slice information based on network slice information configured in the first cell. And a 5G base station, when receiving the registration information from the UE, determines a corresponding target AMF network element based on the target network slice information in the requested NSSAI, such that the UE can be successfully registered to the target AMF network element.Type: ApplicationFiled: November 25, 2022Publication date: August 1, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventors: Meng CAO, Yi PENG
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Publication number: 20240250913Abstract: A method of adjusting a scheduling cycle and a network device are provided. The method includes: after receiving a packet from a second network device, determining a sending scheduling cycle of the packet on the second network device, and determining a reception scheduling cycle of the packet on the first network device; determining a target scheduling cycle corresponding to the sending scheduling cycle on the first network device, where the packet corresponds to a cycle queue (CQ) corresponding to the target scheduling cycle; if it is determined to that an initial time length of the scheduling cycle is to be adjusted based on a number of interval cycles between the reception scheduling cycle and the target scheduling cycle, adjusting an actual time length of the scheduling cycle on the first network device from the initial time length to a target time length.Type: ApplicationFiled: December 29, 2021Publication date: July 25, 2024Applicant: NEW H3C TECHNOLOGIES CO., LTD.Inventor: Daorong GUO