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1.发明公开公开(公告)号：US20240314061A1
公开(公告)日：2024-09-19
申请号：US18184055
申请日：2023-03-15
申请人： VMware, LLC
IPC分类号： H04L45/023 , H04L45/586
CPC分类号： H04L45/023 , H04L45/586
摘要： Described herein are systems, methods, and software to manage prefixes for a route table in a gateway according to an implementation. In one implementation, a management service monitors a quantity of prefix routes associated with a route table in a gateway and determines when the quantity satisfies one or more criteria. When the capacity satisfies the one or more criteria, the management service determines one or more supernets that each represent a subset of the prefix routes and adds the one or more supernets to the route table to replaces the subset of the prefix routes.
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公开(公告)号：US11310147B2
公开(公告)日：2022-04-19
申请号：US16615393
申请日：2018-05-17
发明人： Qingyan Yu , Zhi Tan , Yan Chen
IPC分类号： H04W40/34 , H04L45/023
摘要： In an example, when a network device receives a route advertised by a Border Gateway Protocol (BGP) neighbor, the network device distributes the route to hardware thereof, records the route into a linked list of routes to be advertised, and determines a BGP state of the device. If the BGP state indicates waiting to advertise a route, the network device updates the BGP state to advertising a route after a set time length and advertises a route in the linked list of routes to be advertised. If the BGP state indicates advertising a route, the network device advertises a route in the linked list of routes to be advertised.
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公开(公告)号：US11870684B2
公开(公告)日：2024-01-09
申请号：US17903200
申请日：2022-09-06
申请人： Ciena Corporation
IPC分类号： H04L45/28 , H04L45/00 , H04L45/023
CPC分类号： H04L45/28 , H04L45/023 , H04L45/22
摘要： Systems and methods for micro-loop avoidance include detecting a remote link failure in a network and identifying an associated Point of Local Repair (PLR); determining destinations in the network that are impacted due to the remote link failure; and installing of a temporary tunnel to the PLR. The steps can further include sending traffic destined for nodes impacted by the remote link failure via the temporary tunnel to the PLR. The temporary tunnel can be implemented by a node Segment Identifier (SID) for the PLR.
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公开(公告)号：US11272044B2
公开(公告)日：2022-03-08
申请号：US16738241
申请日：2020-01-09
申请人： Miosoft Corporation
IPC分类号： H04L29/08 , H04L29/06 , G06F9/54 , H04L12/757 , G06F9/50 , H04L69/326 , H04L69/16 , H04L69/165 , H04L45/023
摘要： Among other things, a node is enabled to participate, with other nodes, in forming and using transport layer features in a communication network, the transport layer features being extensible to support ten million or more simultaneous reliable conversations between or among applications running on respective participant nodes.
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公开(公告)号：US20230071325A1
公开(公告)日：2023-03-09
申请号：US17903200
申请日：2022-09-06
申请人： Ciena Corporation
IPC分类号： H04L45/28 , H04L45/023 , H04L45/00
摘要： Systems and methods for micro-loop avoidance include detecting a remote link failure in a network and identifying an associated Point of Local Repair (PLR); determining destinations in the network that are impacted due to the remote link failure; and installing of a temporary tunnel to the PLR. The steps can further include sending traffic destined for nodes impacted by the remote link failure via the temporary tunnel to the PLR. The temporary tunnel can be implemented by a node Segment Identifier (SID) for the PLR.
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公开(公告)号：US11528215B2
公开(公告)日：2022-12-13
申请号：US17233409
申请日：2021-04-16
IPC分类号： H04L45/023 , H04L45/121 , H04L45/18 , H04L41/12 , H04L41/0816 , H04L45/12
摘要： The techniques disclosed herein enable systems to perform ordered reconvergence operations following a change to a topology of a communications network. To perform ordered reconvergence, a system detects a change to network topology such as a link failure or node addition. In response, the system determines a global delay based on a maximum distance between two nodes within the network, a local delay for each node within the network, and an ordered delay for each node based on the global delay and the local delay. Upon detecting that the ordered delay for a node has elapsed, the system can then update a routing table for the node. After updating routing tables for every node, the system can route data in the changed network topology using the updated routing tables.
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公开(公告)号：US20240348537A1
公开(公告)日：2024-10-17
申请号：US18692120
申请日：2021-09-15
发明人： Wei XU , Shuxia TAI , Huajie GUO , Lei ZHOU
IPC分类号： H04L45/28 , H04L45/023 , H04L45/03
CPC分类号： H04L45/28 , H04L45/023 , H04L45/03
摘要： Embodiments of the present disclosure provide method and apparatus for Designated Router (DR) seamless switchover. A method performed by a network device comprises detecting a DR failure event due to a failure DR. The method further comprises detecting that the second edge device is unreachable. The method further comprises holding refresh of router-Link State Advertisements (router-LSA) in a link-state database and flooding procedure, when a Backup Designated Router (BDR) has not declared to be a working DR in an Open Shortest Path First (OSPF) network.
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公开(公告)号：US11824758B2
公开(公告)日：2023-11-21
申请号：US17752479
申请日：2022-05-24
申请人： AMADEUS S.A.S.
发明人： Mikhail Petrov
IPC分类号： H04L45/023 , H04L45/021 , H04L45/42
CPC分类号： H04L45/023 , H04L45/021 , H04L45/42
摘要： The present invention is directed to a system and a method for facilitating the consistent update of routing tables across the routers of a routing layer in a distributed messaging system. The routers are configured to send together with the outbound message the routing table version used to route the outbound message, which is compared, at the level of the enqueue layer, with the latest deployed routing table version and/or the latest routing table version used to route messages to the requested message queue. If the routing table version of the outbound message is older than the latest deployed routing table version and/or the latest routing table version used to route messages to the requested message queue, then the outbound message is rejected, otherwise, the message is enqueued to the requested message queue.
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公开(公告)号：US20220385561A1
公开(公告)日：2022-12-01
申请号：US17752479
申请日：2022-05-24
申请人： AMADEUS S.A.S.
发明人： Mikhail PETROV
IPC分类号： H04L45/023 , H04L45/021 , H04L45/42
摘要： The present invention is directed to a system and a method for facilitating the consistent update of routing tables across the routers of a routing layer in a distributed messaging system. The routers are configured to send together with the outbound message the routing table version used to route the outbound message, which is compared, at the level of the enqueue layer, with the latest deployed routing table version and/or the latest routing table version used to route messages to the requested message queue. If the routing table version of the outbound message is older than the latest deployed routing table version and/or the latest routing table version used to route messages to the requested message queue, then the outbound message is rejected, otherwise, the message is enqueued to the requested message queue.
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公开(公告)号：US11283711B2
公开(公告)日：2022-03-22
申请号：US16316611
申请日：2016-07-25
发明人： Anupkumar T
IPC分类号： G06F15/173 , H04L45/64 , H04L45/023 , H04L45/02 , H04L45/00 , H04L45/74 , H04L45/745 , H04L29/06
摘要： A method is implemented by a network device to optimize the operation of a virtual private network (VPN) route refresh for border gateway protocol (BGP). The method reduces a span of VPN databases to be traversed to perform a route target constraint (RTC) update at the network device. The method includes receiving an RTC add or delete from a BGP peer, looking up each route target (RT) in a route target-route distinguisher (RT-RD) map to get a set of route distinguishers (RDs), and generating a VPN update for each VPN Address Family (AF) and each RD in the RD cache and sending the VPN update to a respective BGP peer.
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