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1. 发明公开

EP3562108A1 LOAD SHARING METHOD, AND NETWORK DEVICE 有权
公开(公告)号：EP3562108A1
公开(公告)日：2019-10-30
申请号：EP17892794.3
申请日：2017-11-02
申请人： Huawei Technologies Co., Ltd.
发明人： CHEN, Lihao , ZHANG, Mingui
IPC分类号： H04L12/803
摘要： This application provides a load sharing method. The method includes: establishing a first tunnel and a second tunnel between a first network device and a second network device, where the first tunnel and the second tunnel form a bonding tunnel through hybrid bonding; sending, by the first network device, a plurality of data packets to the second network device; determining, by the first network device, a usage status of buffer space of a bonding tunnel reorder buffer of the second network device based on an acknowledgment response returned by the second network device; and performing, based on the usage status and according to a specified load sharing policy, load sharing between the first tunnel and the second tunnel for a packet to be transmitted by the first network device to the second network device. According to the method in this application, transmission efficiency of the bonding tunnel is effectively improved.

2. 发明公开

EP3148130A1 TRAFFIC FLOW SWITCHING METHOD AND DEVICE 有权
标题翻译： VERKEHRSFLUSSWECHSELVERFAHREN UND -VORRICHTUNG
公开(公告)号：EP3148130A1
公开(公告)日：2017-03-29
申请号：EP15815432.8
申请日：2015-06-26
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui , LI, Zhenbin
IPC分类号： H04L12/741
CPC分类号： H04L41/0816 , H04L41/083 , H04L43/0882 , H04L45/021 , H04L45/025 , H04L45/64 , H04L47/127
摘要： Embodiments of the present invention provide a traffic switching method and apparatus. The method includes: establishing a mapping relationship between a performance parameter of a network and a forwarding node switching sequence, where the performance parameter of the network includes link usage before switching and link usage after switching; when traffic switching needs to be performed, obtaining a current performance parameter of the network, and determining, according to the mapping relationship, a switching sequence corresponding to the current performance parameter; and delivering a switching instruction to forwarding nodes according to the switching sequence, so as to control the forwarding nodes to sequentially perform traffic switching. In this way, traffic switching can be systematically implemented, thereby effectively avoiding a link congestion phenomenon in a switching process, and ensuring network performance.
摘要翻译：本发明的实施例提供一种交通切换方法和装置。该方法包括：建立网络性能参数与转发节点交换序列之间的映射关系，其中，网络的性能参数包括切换前的链路使用和切换后的链路使用; 当需要进行流量切换时，获取网络的当前性能参数，并根据映射关系确定与当前性能参数对应的切换顺序; 并根据切换顺序向转发节点发送切换指令，以便控制转发节点顺序执行业务交换。这样可以系统地实现流量切换，从而有效地避免了交换过程中的链路拥塞现象，保证了网络性能。

3. 发明授权

EP3382952B1 METHOD, DEVICE AND SYSTEM FOR DETERMINING GENERIC ROUTING ENCAPSULATION (GRE) TUNNEL IDENTIFIER 有权
公开(公告)号：EP3382952B1
公开(公告)日：2020-02-26
申请号：EP15910556.8
申请日：2015-12-17
申请人： Huawei Technologies Co., Ltd.
发明人： ZHENG, Lianshu , ZHANG, Mingui
IPC分类号： H04L12/70 , H04L29/12 , H04L12/46 , H04L12/709

4. 发明授权

EP2860916B1 METHOD FOR NOTIFYING TRANSMISSION PATH INFORMATION AND ROUTE BRIDGING 有权
公开(公告)号：EP2860916B1
公开(公告)日：2019-02-20
申请号：EP13799798.7
申请日：2013-03-30
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui
IPC分类号： H04L12/70 , H04L12/721 , H04L12/751

5. 发明公开

EP2890063A1 METHOD AND APPARATUS FOR DETERMINING ENERGY-EFFICIENT ROUTING 有权
标题翻译：用于确定能量有效路由的方法和设备
公开(公告)号：EP2890063A1
公开(公告)日：2015-07-01
申请号：EP13837511.8
申请日：2013-09-12
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui
IPC分类号： H04L12/721
CPC分类号： H04L45/70 , H04L45/02 , H04L45/124 , H04L47/829 , Y02D30/20
摘要： Embodiments of the present invention provide a method for determining an energy-efficient route, and relate to the communications field. The method includes: acquiring a topology structure, a starting node, a target node, and traffic data of a network, where the traffic data includes a record of traffic among all nodes on the network; and calculating, according to the topology structure and the traffic data of the network by using an integer linear programming algorithm, an energy-efficient route between the starting node and the target node and reserved bandwidth corresponding to the energy-efficient route.
摘要翻译：本发明实施例提供了一种确定节能路由的方法，涉及通信领域。该方法包括：获取网络的拓扑结构，起始节点，目标节点和业务数据，所述业务数据包括网络中所有节点间的业务记录; 根据拓扑结构和网络的业务数据，利用整数线性规划算法，计算出起始节点与目标节点之间的节能路由和节能路由对应的预留带宽。

6. 发明公开

EP2860916A1 METHOD FOR NOTIFYING TRANSMISSION PATH INFORMATION AND ROUTE BRIDGING 有权
标题翻译：过程来报告传输信息和航线BYPASS
公开(公告)号：EP2860916A1
公开(公告)日：2015-04-15
申请号：EP13799798.7
申请日：2013-03-30
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui
IPC分类号： H04L12/70
CPC分类号： H04L45/74 , H04L45/02 , H04L45/44 , H04L45/66 , H04L49/25
摘要： Embodiments of the present invention disclose a method for distributing transmission path information, including: distributing, by a first routing bridge which stores a MAC address of a host on a local link, transmission path information of the host on the local link to a remote routing bridge of a non-local link, the transmission path information including the MAC address of the host on the local link and identification information of a second routing bridge, so that the remote routing bridge learns the transmission path information from the first routing bridge. The present invention further provides corresponding routing bridges. The present invention may enable the remote routing bridge to timely learn the transmission path information of the host under the condition that a data packet sent by the host is not received, so as to send data to the host according to a new transmission path.

7. 发明公开

EP3703316A1 FRAME AGGREGATION METHOD, NETWORK SETUP FRAME SENDING METHOD, AND DEVICE 有权
公开(公告)号：EP3703316A1
公开(公告)日：2020-09-02
申请号：EP18882551.7
申请日：2018-05-23
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Bing , ZHANG, Mingui , WU, Yuefeng
IPC分类号： H04L12/28
摘要： This application discloses a frame aggregation method, a network setting frame sending method, and a device. A first forwarding node device receives a first data frame and a second data frame, where the first data frame includes a first MAC header and a first MSDU, the second data frame includes a second MAC header and a second MSDU, and a destination MAC address in the first MAC header is the same as a destination MAC address in the second MAC header; and generates a first aggregated frame, where the first aggregated frame includes an aggregated MAC header and an aggregated MSDU, a destination MAC address in the aggregated MAC header is the same as the foregoing destination MAC address, the aggregated MSDU includes a first sub-MSDU and a second sub-MSDU, the first sub-MSDU includes the first MSDU and a source MAC address of the first data frame, and the second sub-MSDU includes the second MSDU and a source MAC address of the second data frame. A second forwarding node device sends the first aggregated frame. The foregoing method helps reduce packet overheads and a quantity of channel contentions.

8. 发明公开

EP3531620A1 METHOD FOR PROCESSING MESSAGE IN HYBRID ACCESS NETWORK, AND NETWORK DEVICE 有权
公开(公告)号：EP3531620A1
公开(公告)日：2019-08-28
申请号：EP17868190.4
申请日：2017-08-28
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui , ZHENG, Lianshu
IPC分类号： H04L12/24
摘要： This application provides a packet processing method and a network device in a hybrid access network, to implement traffic balancing and real-time monitoring on network bandwidth, thereby relieving primary link congestion caused by a network emergency, and improving network bandwidth. The method is: sending, by a first network device, a first data packet in a first sending window to a second network device by using a first tunnel; in response to receiving a first acknowledgement response sent by the second network device, increasing, by the first network device, a size of the first sending window based on a first proportion; in response to not receiving, within a first predetermined time, the first acknowledgement response, decreasing the size of the first sending window based on a second proportion; and in response to determining that the size of the first sending window is greater than or equal to a first threshold, sending a second data packet to a second receiving window of the second network device by using a second sending window, where a first acknowledgement number carried in the first acknowledgement response is obtained based on a first sub-link number in the first data packet.

9. 发明公开

EP3490200A1 DATA PACKET TRANSMISSION METHOD AND BORDER ROUTING BRIDGE DEVICE 审中-公开
公开(公告)号：EP3490200A1
公开(公告)日：2019-05-29
申请号：EP18195894.3
申请日：2016-03-03
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Mingui
IPC分类号： H04L12/701 , H04L12/803 , H04L12/46
摘要： Embodiments of the present invention provide a data packet transmission method and a border routing bridge device. The method includes: receiving, by a first border routing bridge device of a first area, a first data packet sent by a border routing bridge device of a second area to the first area; determining, by the first border routing bridge device, a device identifier group of the second area according to the first data packet; determining, from the device identifier group of the second area, by the first border routing bridge device according to the first data packet, a device identifier of a border routing bridge device used to forward a return data packet sent by the target device to the source device; and sending, by the first border routing bridge device, a second data packet that carries the determined device identifier to the target device, where the determined device identifier is used as a source routing bridge device identifier of the second data packet. In this way, per-flow load balancing is implemented.

10. 发明公开

EP3382952A1 METHOD, DEVICE AND SYSTEM FOR DETERMINING GENERIC ROUTING ENCAPSULATION (GRE) TUNNEL IDENTIFIER 审中-公开
公开(公告)号：EP3382952A1
公开(公告)日：2018-10-03
申请号：EP15910556.8
申请日：2015-12-17
申请人： Huawei Technologies Co., Ltd.
发明人： ZHENG, Lianshu , ZHANG, Mingui
IPC分类号： H04L12/70
摘要： The present invention provides a method, a device, and a system for determining a GRE tunnel identifier, applied to a scenario in which there are at least two GRE tunnels between a HAG and HCPE and the at least two GRE tunnels are bonded. The method includes: receiving, by the HAG, a service packet that is sent by the HCPE through a first GRE tunnel, where the service packet includes a source IP address of the first GRE tunnel carrying the service packet, and the first GRE tunnel is one of the at least two GRE tunnels; and looking up, by the HAG, a correspondence table according to the source IP address of the first GRE tunnel, to determine a tunnel identifier of the first GRE tunnel carrying the service packet, where the correspondence table includes a correspondence between the source IP address of the first GRE tunnel and the tunnel identifier of the first GRE tunnel. Therefore, in embodiments of the present invention, in a GRE tunnel bonding scenario, a GRE tunnel through which a service packet is received can be flexibly and efficiently distinguished.

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