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41. 发明授权

US11582185B2 Position parameterized recursive network architecture with topological addressing 有权
公开(公告)号：US11582185B2
公开(公告)日：2023-02-14
申请号：US17489063
申请日：2021-09-29
申请人： Tria Network Systems, LLC
发明人： John D. Day
IPC分类号： H04L61/5084 , H04L41/14 , H04L45/00 , H04L47/10 , H04L47/12 , H04L47/193 , H04L47/21 , H04L47/2416 , H04L49/90 , H04L69/08 , H04L69/06 , H04L69/24 , H04L69/32 , H04L61/5061 , H04L65/75 , H04L65/1069 , H04L69/325 , H04L69/329 , H04Q3/00 , H04W40/24 , H04W80/04 , H04L61/10 , H04L41/00 , H04L41/0896 , H04L41/147 , H04L41/5025 , G06F21/10 , H04L67/01 , H04L67/565 , H04L67/306 , H04W8/08 , H04W8/26
摘要： A digital data communications network that supports efficient, scalable routing of data and use of network resources by combining a recursive division of the network into hierarchical sub-networks with repeating parameterized general purpose link communication protocols and an addressing methodology that reflects the physical structure of the underlying network hardware. The sub-division of the network enhances security by reducing the amount of the network visible to an attack and by insulating the network hardware itself from attack. The fixed bandwidth range at each sub-network level allows quality of service to be assured and controlled. The routing of data is aided by a topological addressing scheme that allows data packets to be forwarded towards their destination based on only local knowledge of the network structure, with automatic support for mobility and multicasting. The repeating structures in the network greatly simplify network management and reduce the effort to engineer new network capabilities.

42. 发明授权

US11582095B2 Systems and methods for convergence of network traffic after an interruption of a network device's link 有权
公开(公告)号：US11582095B2
公开(公告)日：2023-02-14
申请号：US17108405
申请日：2020-12-01
申请人： Arista Networks, Inc.
发明人： Alton Lo , Rajesh Semwal , Isidoros Kouvelas , Amit Ranpise
IPC分类号： H04L41/0813 , H04L12/46 , H04L45/00 , H04L45/28 , H04L45/02
摘要： Systems and methods are provided herein for a mechanism for faster convergence of network traffic after a network device's link is interrupted by leveraging the withdrawal of the ethernet virtual private network (EVPN) auto discovery (AD) route. This may be accomplished by a first device checking an ethernet segment identifier (ESI) status flag before generating an entry in the first device's forwarding table, where the entry is based on an IP route for a host received by a second network device. In response to receiving a withdrawal of an EVPN AD route from the second device, the first device may update the ESI status flag to indicate that the host on the ethernet segment (ES) is reachable only via the third device and update the entry that was based on the IP route for the host received by the second network device to prevent sending traffic to the host via the second device.

43. 发明授权

US11582068B2 Scalable mechanism for optimized application performance in SD-WAN 有权
公开(公告)号：US11582068B2
公开(公告)日：2023-02-14
申请号：US17091240
申请日：2020-11-06
申请人： Cisco Technology, Inc.
发明人： Laxmikantha Reddy Ponnuru , Samir Thoria , Managa Sunitha Arun Kumar , Satyajit Das , Ram Dular Singh
IPC分类号： H04L12/46 , H04L45/00
摘要： The present disclosure is directed to a mechanism for optimized application performance in SD-WAN, and includes the steps of receiving initial traffic packets at a first site for transmission to a second site; determining whether a direct tunnel is established between the first site and the second site based on a state of the second site, the state comprising an active state indicating that a direct tunnel is established between the first and second sites or an inactive state indicating that the direct tunnel is not established between the first and second sites; and in response to determining that the direct tunnel is not established, determining that the initial packets satisfy a configured trigger; forwarding the initial packets to the second site via a backup path; establishing the direct tunnel between the first and second sites; and forwarding subsequent traffic packets to the second site via the established direct tunnel.

44. 发明授权

US11575777B2 Adaptive causal network coding with feedback 有权
公开(公告)号：US11575777B2
公开(公告)日：2023-02-07
申请号：US16884436
申请日：2020-05-27
申请人： Massachusetts Institute of Technology
发明人： Muriel Medard , Derya Malak , Alejandro Cohen
IPC分类号： H04L69/324 , H04L1/00 , H04L1/18 , H04L47/38 , H04W28/02 , H04W40/12 , H04L1/12 , H04L45/24 , H04L45/00
摘要： Techniques are disclosed for an adaptive and causal random linear network coding (AC-RLNC) with forward error correction (FEC) for a communication channel with delayed feedback. An example methodology implementing the techniques includes transmitting one or more coded packets in a communication channel, determining a channel behavior of the channel, and adaptively adjusting a transmission of a subsequent coded packet in the first channel based on the determined channel behavior. The communication channel may be a point-to-point communication channel between a sender and a receiver. The channel behavior may be determined based on feedback acknowledgements provided by the receiver. The subsequent coded packet may be a random linear combination of one or more information packets.

45. 发明授权

US11575599B2 Multi-tier deterministic networking 有权
公开(公告)号：US11575599B2
公开(公告)日：2023-02-07
申请号：US17184108
申请日：2021-02-24
申请人： Nokia Solutions and Networks Oy
发明人： Ejder Bastug , Bilgehan Erman , Bruce Cilli , Sameerkumar Sharma
IPC分类号： H04L45/00 , H04L45/02 , H04L43/087 , H04L43/0852
摘要： Various example embodiments for supporting multi-tier deterministic networking are presented. Various example embodiments for supporting multi-tier deterministic networking may be configured to support provisioning of deterministic flows in multi-tier deterministic networking. Various example embodiments for supporting multi-tier deterministic networking may be configured to support adaptive deterministic routing in multi-tier deterministic networks. Various example embodiments for supporting multi-tier deterministic networking may be configured to support score-based deterministic routing in multi-tier deterministic networks. Various example embodiments for supporting multi-tier deterministic networking may be configured to support adaptive deterministic routing and/or score-based deterministic routing in multi-tier deterministic networks based on analysis of a state representation for path and/or sub-path selection in multi-tier deterministic networks. Various example embodiments for supporting multi-tier deterministic networking may be configured to support hierarchical resource allocation and deallocation in multi-tier deterministic networking, optimal route finding in multi-tier deterministic networking, and so forth.

46. 发明授权

US11575577B2 User information method and apparatus for directing link-layer communication 有权
公开(公告)号：US11575577B2
公开(公告)日：2023-02-07
申请号：US17652128
申请日：2022-02-23
申请人： 128 Technology, Inc.
发明人： Patrick J. MeLampy , Abilash Menon , Michael Baj , Prashant Kumar
IPC分类号： H04L9/40 , H04L41/0893 , H04L45/00
摘要： A network device has an input configured to receive a message relating to a given user attempting to forward one or more packets across a computer network. The message has given user information relating to the given user. In addition, the routing device also has a selector, operatively coupled with the input, configured to select (after receiving the message) a given group routing policy from a plurality of group routing policies. Preferably, the selector is configured to select the given group routing policy as a function of the given user information. The routing device also has an output operatively coupled with the selector. The output is configured to cause routing of user communication across the network using link-layer routes specified by the given group routing policy.

47. 发明申请

US20230036088A1 CONGESTION NOTIFICATION PACKET INDICATING SPECIFIC PACKET FLOW EXPERIENCING CONGESTION TO FACILITATE INDIVIDUAL PACKET FLOW BASED TRANSMISSION RATE CONTROL 有权
公开(公告)号：US20230036088A1
公开(公告)日：2023-02-02
申请号：US17962945
申请日：2022-10-10
申请人： MARVELL ISRAEL (M.I.S.L) LTD.
发明人： Zvi Leib SHMILOVICI , Gideon NAVON
IPC分类号： H04L47/127 , H04L45/74 , H04L47/2483 , H04L45/00
摘要： A network device includes first, second, and third processors. The first processor detects congestion in a packet flow. The packet flow is i) one packet flow among a plurality of packet flows and ii) is formed of a plurality of packets of a same type received from a first device in a network via a first network connection. The packets in the packet flow are destined for a second device in the network. When congestion notification packet generation is enabled for the packet flow, the second processor generates a congestion notification packet by replicating a packet from the packet flow and sends the congestion notification packet to the first device via the first network connection. The congestion notification packet identifies the packet flow for which congestion is detected. The third processor forwards the plurality of packets in the packet flow to the second device via a second network connection.

48. 发明申请

US20230031131A1 METHOD AND DEVICE FOR PERFORMING COMMUNICATION IN SOFTWARE DEFINED NETWORK SYSTEM 有权
公开(公告)号：US20230031131A1
公开(公告)日：2023-02-02
申请号：US17966415
申请日：2022-10-14
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Seungho RYU , Jaegon KIM , Taewoo KIM
IPC分类号： H04L45/00 , H04L69/22 , H04L45/645 , H04L45/745
摘要： The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to the present disclosure, communication is performed more efficiently in a software defined network (SDN) environment.

49. 发明授权

US11570112B2 MaxMesh: mesh backhaul routing 有权
公开(公告)号：US11570112B2
公开(公告)日：2023-01-31
申请号：US16932967
申请日：2020-07-20
申请人： Parallel Wireless, Inc.
发明人： Sumit Garg
IPC分类号： H04L1/00 , H04L47/24 , H04L47/122 , H04L45/00 , H04W28/02 , H04W84/12 , H04W84/18
摘要： A system is disclosed, comprising: a centralized routing node configured to: identify a set of congested links based on the link utilization statistics, each congested link having at least one traffic flow that may be active, each traffic flow having at least one traffic source and a path set comprising a set of nodes and links that may be used by the traffic flow as packets travel from the at least one traffic source to one or more destinations; identify a set of non-congested links based on the link utilization statistics, each non-congested link sharing at least one traffic source with a traffic flow of a congested link in the set of congested links; identify a path fork in a path set between a source and a destination of a particular traffic flow associated with a particular congested link in the set of congested links; and compute a new utilization level for the particular congested link that would result from moving the particular traffic flow from the particular congested link to a particular non-congested link in the set of non-congested links.

50. 发明授权

US11570093B2 Data transmission method, node and system 有权
公开(公告)号：US11570093B2
公开(公告)日：2023-01-31
申请号：US16928899
申请日：2020-07-14
申请人： Huawei Technologies Co., Ltd.
发明人： Taixin Li , Jiayao Tan , Zongxin Dou
IPC分类号： G06F15/16 , H04L45/50 , H04L45/00 , H04L45/74
摘要： A data transmission method, a node, and a system, the method including receiving, by a forwarding node, a data packet, where a label stack of the data packet comprises a path identifier (path-ID), where the path-ID is an identifier of a constrained path, and where the constrained path is a path that consists of at least two nodes arranged in a specific order, determining, by the forwarding node, that the forwarding node is a node on the constrained path, selecting, by the forwarding node, a target label/target address from a local available label block/address block according to the path-ID and according to a preset rule, where the label block/address block comprises at least one label/address, searching for, by the forwarding node, a corresponding target interface according to the target label/target address, and forwarding, by the forwarding node, the data packet through the target interface.

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