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公开(公告)号：US20240129227A1
公开(公告)日：2024-04-18
申请号：US18397800
申请日：2023-12-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiajia Dong , Zhibo Hu
Abstract: A communication method includes a first network device obtaining a first route and a second route from a second network device. A first network segment corresponding to the first route is a subnet segment of a second network segment corresponding to the second route. The second route is an aggregated route, and the first route indicates that the first network segment is unreachable. The first network device switches a next hop of the aggregated route based on the first route.
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公开(公告)号：US20240080262A1
公开(公告)日：2024-03-07
申请号：US18506590
申请日：2023-11-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuanping Zhu , Yulong Shi , Jing Liu , Zhenzhen Cao
Abstract: In accordance with an embodiment, a communication method applied to a first node includes: receiving first information from a second node, wherein the first information comprises an available space size in a first buffer space of the second node, the first buffer space is for buffering a data packet that is to be transmitted through a first path, the first path is a primary path for transmitting the data packet, and the second node is a next-hop node of the first node on the primary path; and in response to the available space size in the first buffer space being less than or equal to a first threshold, determining to transmit the data packet through a third node, wherein the third node is a next-hop node of the first node on a backup path for transmitting the data packet.
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公开(公告)号：US20240056383A1
公开(公告)日：2024-02-15
申请号：US18495897
申请日：2023-10-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xuesong GENG , Zhenbin LI , Jingrong XIE
CPC classification number: H04L45/17 , H04L45/566 , H04L45/74
Abstract: This application provides a packet transmission method, apparatus, and device. For example, the method is performed by an ingress node. The ingress node obtains a second packet by using first node information carried in a first packet, where the first node information includes a first bit string indicating N next-hop devices of the ingress node and first reference information used for indexing second node information corresponding to a first intermediate node in the N next-hop devices, and the second packet includes a first identifier determined based on the first reference information. The ingress node sends the second packet to the first intermediate node. Because structures of the first bit string and the first reference information are used, a packet encoding manner is simple, so that packet transmission efficiency is improved.
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公开(公告)号：US11818034B1
公开(公告)日：2023-11-14
申请号：US17728103
申请日：2022-04-25
Applicant: Arista Networks, Inc.
Inventor： Mayukh Saubhasik , Tim Tang , Bhavin Rameshbhai Patel
IPC: H04L12/707 , H04L12/703 , H04L45/17 , H04L45/00 , H04L45/28
Abstract: A method for processing packets in a network device, comprising: determining that a packet received by the network device is to be processed using a next hop group, selecting a member of the next hop group, and transmitting the packet to a second network device associated with a second member of the next hop group.
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公开(公告)号：US20240305557A1
公开(公告)日：2024-09-12
申请号：US18478599
申请日：2023-09-29
Applicant: Juniper Networks, Inc.
Inventor： Zhaohui ZHANG , Shraddha HEGDE , Krzysztof Grzegorz SZARKOWICZ
Abstract: An interworking network device receives from a first other network device associated with an MPLS domain, a route that includes a label, a prefix, and a next-hop identifier that indicates the first other network device. The interworking network device thereby generates a prefix SID attribute that includes a SID value and information indicating a structure of the SID value, wherein a LOC portion of the SID value identifies the interworking network device, and a first sub-portion of a FUNCT portion of the SID value identifies an endpoint behavior of the interworking network device in association with the first other network device. The interworking network device modifies the route to cause the next-hop identifier to indicate the interworking network device, and to cause the route to include the prefix SID attribute. The interworking network device thereby sends the route to a second other network device associated with an SRv6 domain.
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Patent Agency Ranking
公开(公告)号：US11949594B2
公开(公告)日：2024-04-02
申请号：US18341554
申请日：2023-06-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huaimo Chen
IPC: H04L45/17 , H04L45/42 , H04L45/745
CPC classification number: H04L45/745 , H04L45/17 , H04L45/42
Abstract: A method implemented by a network node in a Bit Index Explicit Replication Traffic/Tree Engineering (BIER-TE) domain is used to avoid duplicate packets. The method includes generating an improved bit index forwarding table (BIFT) containing a forwarding entry for a local area network (LAN)-connected adjacency from the network node to a pseudo node; and a secondary BIFT including a forwarding entry for a forward connected adjacency from the pseudo node to each of the pseudo node's next hop nodes except the network node; sending a packet containing a point to multipoint (P2MP) path with a bit position for the LAN-connected adjacency to the pseudo node according to the forwarding entry for the LAN-connected adjacency in the improved BIFT; and sending the packet to each of the pseudo node's next hop nodes on the P2MP path based on the secondary BIFT.
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公开(公告)号：US11831715B1
公开(公告)日：2023-11-28
申请号：US18172587
申请日：2023-02-22
Applicant: Dell Products L.P.
Inventor： Claudio DeSanti , Joseph Lasalle White , Erik P. Smith
IPC: H04L67/1097 , H04L45/17 , H04L45/745 , H04L61/255
CPC classification number: H04L67/1097 , H04L45/17 , H04L45/745 , H04L61/255
Abstract: A scalable EBOF storage system identifies its storage devices and external physical interfaces, and respective public IP addresses assigned to each external physical interface. The scalable EBOF storage system assigns a respective private IP address to each storage device, private port identifier(s) to the storage devices, and respective public port identifier(s) to each storage device. The scalable EBOF storage system then generates an EBOF NAT table by mapping, for each storage device: each respective public IP address assigned to the external physical interfaces to the public port identifier assigned to that storage device to provide a public connection information combination for that storage device, the private IP address assigned to that storage device to the private port identifier assigned to that storage device to provide a private information connection combination for that storage device, and the public information connection combination to the private information connection combination for that storage device.
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公开(公告)号：US20230344750A1
公开(公告)日：2023-10-26
申请号：US17728103
申请日：2022-04-25
Applicant: Arista Networks, Inc.
Inventor： Mayukh Saubhasik , Tim Tang , Bhavin Rameshbhai Patel
Abstract: A method for processing packets in a network device, comprising: determining that a packet received by the network device is to be processed using a next hop group, selecting a member of the next hop group, and transmitting the packet to a second network device associated with a second member of the next hop group.
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公开(公告)号：US20240333547A1
公开(公告)日：2024-10-03
申请号：US18193282
申请日：2023-03-30
Applicant: Cisco Technology, Inc.
Inventor： Mankamana Prasad Mishra , Vinish Ramachandran , Sridhar Santhanam , Peter Psenak
CPC classification number: H04L12/185 , H04L45/17 , H04L45/32
Abstract: A method comprises, at routers of a network configured to provide connectivity from a multicast receiver to edge routers multihomed to a multicast source of multicast traffic on an Ethernet segment: creating a limited flood domain for the Ethernet segment, wherein the limited flood domain includes boundary routers positioned to make a final decision as to which of the edge routers to send a multicast join for the multicast traffic; by the boundary routers, upon receiving a source announcement that announces the multicast source is active on a particular edge router of the Ethernet segment, locally storing information, provided by the source announcement, which includes a multicast address for the multicast source and identifies a link to the particular edge router; and by boundary router of the boundary routers, upon receiving the multicast join, sending the multicast join to the particular edge router using the multicast address and the link.
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10.发明授权公开(公告)号：US12047860B2
公开(公告)日：2024-07-23
申请号：US17762023
申请日：2020-05-27
Applicant: Shanghai Maritime University
Inventor： Ying Zhang , Xinheng Wang , Lei Chen , Bin Zhang , Jie Wu
CPC classification number: H04W40/10 , H04L45/17 , H04L45/46 , H04W40/22 , H04W40/32 , H04W84/18 , H04W4/08 , H04W36/0009
Abstract: The present invention discloses a clustering routing optimization method based on adaptive evolutionary algorithm for a wireless sensor network, comprising following steps: performing population initialization by initial position and energy information of sensor nodes; calculating fitness values, and implementing iterative operation of elite preservation, adaptive crossover and mutation; after the iteration, selecting a cluster head; routing data packet of the cluster head to a base station. Convergence process of the evolutionary algorithm is improved by nonlinearly adjusting the probability of crossover and mutation; upper and lower bound of crossover and mutation operators are dynamically adjusted by fitness value; adding an incentive factor, adjusting the crossover and mutation probability when the fitness value tends to converge, and running the algorithm again to confirm that a new optimal value is generated. The global search capability and convergence speed of the algorithm are improved by the above method, and avoiding local convergence.
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