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公开(公告)号：US20180270144A1
公开(公告)日：2018-09-20
申请号：US15982489
申请日：2018-05-17
发明人： Yuanlong Jiang , Hengjun Zhu , Min Zha
IPC分类号： H04L12/751 , H04L12/727 , H04L12/26 , H04L12/721
CPC分类号： H04L45/02 , H04L43/0852 , H04L45/121 , H04L45/123 , H04L45/70
摘要： A method and network node for obtaining a target transmission path, where the method includes obtaining, by a first network node in a network domain, topology information of a plurality of network nodes on each path between an ingress node and an egress node that are in the network domain, obtaining, by the first network node, a transmission delay of each path according to the topology information, where the transmission delay of each path includes a sum of physical link delays between all network nodes on each path and node residence times of all the network nodes on each path, and determining, by the first network node, the target transmission path according to the transmission delay of each path.
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公开(公告)号：US20140321472A1
公开(公告)日：2014-10-30
申请号：US14319306
申请日：2014-06-30
发明人： Yuanlong Jiang
IPC分类号： H04L12/933
CPC分类号： H04L49/15 , H04L12/462 , H04L12/4625 , H04L12/4641
摘要： The present invention discloses a method for implementing an E-tree service and a provider edge device, and relates to the field of network communications technologies. A local PE device obtains leaf PE attribute information of a peer provider edge PE device; when the leaf PE attribute information of the peer PE device indicates that the peer PE device is a leaf PE device and the local PE device is a leaf PE device, the local PE device forbids a pseudo-wire connection between the local PE device and the peer PE device. The technical solution of the present invention implements effective isolation between leaf nodes supporting an E-Tree service and therefore implements the E-Tree service in a VPLS network.
摘要翻译： 本发明公开了一种实现E-tree服务和提供商边缘设备的方法，涉及网络通信技术领域。 本地PE设备获取对端提供商边缘PE设备的叶PE属性信息; 当对端PE设备的叶PE属性信息表示对端PE设备为叶PE设备，本端PE设备为叶PE设备时，本端PE设备禁止本地PE设备与 对等PE设备。 本发明的技术方案实现了支持E-Tree业务的叶节点之间的有效隔离，从而在VPLS网络中实现E-Tree业务。
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公开(公告)号：US11792046B2
公开(公告)日：2023-10-17
申请号：US17104956
申请日：2020-11-25
发明人： Yuanlong Jiang , Lehong Niu , Hengjun Zhu
IPC分类号： H04L12/64 , H04L45/24 , H04L41/12 , H04L12/707 , H04L101/622 , H04L45/745 , H04L67/02
CPC分类号： H04L12/6418 , H04L41/12 , H04L45/24 , H04L45/745 , H04L67/02 , H04L2101/622
摘要： A method for generating forwarding information includes generating, by a controller, first forwarding information, wherein the first forwarding information comprises an identifier of a service chain comprising a first service processing entity (SPE) attached to a first service forwarding entity (SFE); generating, by the controller, second forwarding information, wherein the second forwarding information comprises the identifier of the service chain comprising a second SPE attached to a second SFE; sending, by the controller, the first forwarding information to the first SFE; and sending, by the controller, the second forwarding information to the second SFE. Hence, the controller generates forwarding information for the SFE such 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.
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公开(公告)号：US11777857B2
公开(公告)日：2023-10-03
申请号：US17475531
申请日：2021-09-15
发明人： Yuanlong Jiang , Hengjun Zhu , Hongguang Guan
IPC分类号： H04L47/22 , H04L47/2408 , H04L47/28 , H04L47/36
CPC分类号： H04L47/22 , H04L47/2408 , H04L47/28 , H04L47/36
摘要： This application relates to the field of communications technologies, and discloses a service forwarding method and a network device that performs such method. The method includes: forwarding, by a first network device, a data packet of a first service to a second network device in a period (T1); and if the data volume of the forwarded first service reaches a threshold, forwarding, by the first network device, a data packet of a second service to the second network device. The first service is a low-latency service, and the second service is a non-low-latency service. In addition, the period (T1) is determined based on a delay allowed by a device for forwarding the data packet of the first service, and the threshold is a value determined based on a maximum transmission rate of the first service.
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25.发明公开公开(公告)号：US20230291537A1
公开(公告)日：2023-09-14
申请号：US18317697
申请日：2023-05-15
发明人： Yuanlong Jiang , Fanshun Meng , Jingfei Lyu , Jingfeng Chen
IPC分类号： H04L7/00
CPC分类号： H04L7/0087
摘要： A method includes: a first network device obtains a synchronization mode indication and synchronization information, where the synchronization mode indication indicates a target network device to perform synchronization based on the synchronization information. The first network device sends the synchronization mode indication and the synchronization information through a network that supports FlexE. A second network device receives the synchronization mode indication and the synchronization information through a network that supports FlexE. The second network device performs synchronization based on the synchronization mode indication and the synchronization information.
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26.发明授权公开(公告)号：US11736382B2
公开(公告)日：2023-08-22
申请号：US17663340
申请日：2022-05-13
发明人： Weiping Xu , Yuanlong Jiang
IPC分类号： H04L45/02 , H04L41/0668 , H04L45/00
CPC分类号： H04L45/02 , H04L41/0668 , H04L45/54 , H04L45/56
摘要： This application provides a method for obtaining a FIB of a device on a network. The network includes a verification system and a plurality of devices, and a first device is one of the plurality of devices. The first device receives a request message sent by the verification system, where the request message carries a command for obtaining a FIB of the first device that is generated at a specified time. The first device obtains the FIB or a FIB snapshot of the first device that is generated at the specified time. The first device adds the obtained FIB or FIB snapshot to a response message, and sends the response message to the verification system.
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27.发明申请公开(公告)号：US20220278918A1
公开(公告)日：2022-09-01
申请号：US17663340
申请日：2022-05-13
发明人： Weiping Xu , Yuanlong Jiang
IPC分类号： H04L45/02 , H04L45/00 , H04L41/0668
摘要： This application provides a method for obtaining a FIB of a device on a network. The network includes a verification system and a plurality of devices, and a first device is one of the plurality of devices. The first device receives a request message sent by the verification system, where the request message carries a command for obtaining a FIB of the first device that is generated at a specified time. The first device obtains the FIB or a FIB snapshot of the first device that is generated at the specified time. The first device adds the obtained FIB or FIB snapshot to a response message, and sends the response message to the verification system.
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公开(公告)号：US20210119879A1
公开(公告)日：2021-04-22
申请号：US17137405
申请日：2020-12-30
发明人： Zhongjian Zhang , Yuanlong Jiang
IPC分类号： H04L12/24
摘要： This application discloses a method for obtaining a network slice. The method includes: receiving, by a control device, a slice request sent by a user, where the slice request includes an identifier, and the identifier is used to identify an isolation level of a slice requested by the user; obtaining, by the control device, an isolation type of the slice based on the identifier; and creating, by the control device, a network slice based on the isolation type of the slice and a resource topology, where the resource topology is used to describe a network topology and isolation capabilities of N elements in the network topology, the N elements include at least one of a node and a link, N is an integer greater than or equal to 1, and the network slice includes a node and a link that are required for implementing the slice.
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公开(公告)号：US20210105153A1
公开(公告)日：2021-04-08
申请号：US17104956
申请日：2020-11-25
发明人： Yuanlong Jiang , Lehong Niu , Hengjun Zhu
IPC分类号： H04L12/64 , H04L12/707 , H04L12/24
摘要： A method for generating forwarding information includes generating, by a controller, first forwarding information, wherein the first forwarding information comprises an identifier of a service chain comprising a first service processing entity (SPE) attached to a first service forwarding entity (SFE); generating, by the controller, second forwarding information, wherein the second forwarding information comprises the identifier of the service chain comprising a second SPE attached to a second SFE; sending, by the controller, the first forwarding information to the first SFE; and sending, by the controller, the second forwarding information to the second SFE. Hence, the controller generates forwarding information for the SFE such 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.
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公开(公告)号：US10972398B2
公开(公告)日：2021-04-06
申请号：US16285913
申请日：2019-02-26
发明人： Yuanlong Jiang
IPC分类号： G06F15/16 , H04L12/851 , H04L12/723 , H04L12/26 , H04L12/801 , H04L12/913 , H04L12/911
摘要： A method and an apparatus for processing a low-latency service flow, where the method includes that a first forwarding device obtains a low latency identifier corresponding to a first service flow, and obtains a second data packet based on the first data packet and the low latency identifier after determining that a received first data packet belongs to the first service flow, where the second data packet includes the first data packet and the low latency identifier, the low latency identifier instructing a forwarding device that receives the first service flow to forward the first service flow in a low-latency forwarding mode, and the low-latency forwarding mode is a mode in which fast forwarding of the first service flow is implemented under dynamic control, and the first forwarding device sends the second data packet to a second forwarding device in the low-latency forwarding mode.
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