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1. 发明申请

US20130279324A1 TUNNEL FAULT DETECTION METHOD AND TRAFFIC ENGINEERING NODE 有权
标题翻译：隧道故障检测方法和交通工程节点
公开(公告)号：US20130279324A1
公开(公告)日：2013-10-24
申请号：US13925097
申请日：2013-06-24
申请人： Huawei Technologies Co., Ltd.
发明人： Fei Chen , Tao Bai , Lei Chen
IPC分类号： H04L12/24
CPC分类号： H04L41/0654 , H04L12/4633 , H04L43/0811 , H04L45/28
摘要： The embodiments of the present invention provide a tunnel fault detection method and a traffic engineering (TE) node. The method includes: receiving, by a traffic engineering TE node, a link fault report packet; determining, by the node, a faulty link in which a fault occurs according to the link fault report packet; detecting, by the node, whether one or more tunnels which use the node as an ingress node and pass through the faulty link exist; and identifying the tunnels as faulty tunnels if the one or more tunnels which use the node as the ingress node and pass through the faulty link exist. In the embodiments of the present invention, the TE node can detect all faulty tunnels at a time, and it is not necessary to wait until the fault notification based on each tunnel is received and then the faulty tunnel is identified one by one.
摘要翻译：本发明的实施例提供一种隧道故障检测方法和流量工程（TE）节点。该方法包括：由流量工程TE节点接收链路故障报告分组; 由所述节点根据所述链路故障报告分组确定故障发生的故障链路; 由节点检测是否存在使用节点作为入节点并通过故障链路的一个或多个隧道; 并且如果存在使用节点作为入口节点并通过故障链路的一个或多个隧道，则将隧道识别为故障隧道。在本发明的实施例中，TE节点可以一次检测到所有故障的隧道，并且不需要等待直到基于每个隧道的故障通知被接收到，然后逐个识别故障隧道。

2. 发明申请

US20210176080A1 Certificate Status Determining Method 有权
公开(公告)号：US20210176080A1
公开(公告)日：2021-06-10
申请号：US17182493
申请日：2021-02-23
申请人： Huawei Technologies Co., Ltd.
发明人： Fei Li , Jintao Zhu , Chengdong He , Tao Bai
IPC分类号： H04L9/32
摘要： In a method for enabling a message receive end to quickly confirm a certificate status, a defined field of a certificate includes classification information of the certificate, and a defined field of a certificate revocation list includes classification information of a revoked certificate, so that the receive end can quickly narrow a searching or matching range in massive records of the certificate revocation list based on the classification information carried in the certificate of a transmit end.

3. 发明授权

US10200276B2 Method, apparatus and system for controlling routing information advertising 有权
公开(公告)号：US10200276B2
公开(公告)日：2019-02-05
申请号：US14939971
申请日：2015-11-12
申请人： Huawei Technologies Co., Ltd.
发明人： Yuanbin Ouyang , Shunwan Zhuang , Fengqing Yu , Tao Bai , Lili Wang
IPC分类号： H04L12/741 , H04L12/751 , H04L12/707 , H04L12/64 , H04L12/24 , H04L12/773
摘要： The application disclose a method, an apparatus and a system for controlling routing information advertising, which relates to the field of communications and is used for reducing the configuration complexity and reinforcing the operability. The method includes: receiving, by a control device, first routing information sent by a first forwarding device; wherein the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining an advertising range of second routing information for the second forwarding device according to the first routing path; for enabling the second forwarding device to advertise the second routing information according to the advertising range of the second routing information.

4. 发明授权

US10075362B2 Method and apparatus for determining next hop and advertising routing information 有权
公开(公告)号：US10075362B2
公开(公告)日：2018-09-11
申请号：US14939880
申请日：2015-11-12
申请人： Huawei Technologies Co., Ltd.
发明人： Fengqing Yu , Tao Bai , Shunwan Zhuang , Lili Wang , Yuanbin Ouyang
IPC分类号： H04L12/721 , H04L12/751 , H04L12/707 , H04L12/741 , H04L12/717
CPC分类号： H04L45/02 , H04L45/24 , H04L45/42 , H04L45/74
摘要： Embodiments of the present application disclose a method and an apparatus for determining a next hop and advertising routing information, which relate to the field of communications and are used for reducing operation complexity of a forwarding device and reducing network maintenance workload. The method for determining the next hop provided by the embodiments of the present application includes: receiving, by a control device, first routing information sent by a first forwarding device, where the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining a next hop in second routing information for the second forwarding device according to the first routing path, where the second forwarding device is a receiver of the second routing information advertised by the control device.

5. 发明授权

US09998357B2 Multipath transmission based packet traffic control method and apparatus 有权
公开(公告)号：US09998357B2
公开(公告)日：2018-06-12
申请号：US14940496
申请日：2015-11-13
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Peng Gao , Zhenhai Li , Zhenxiao Liu , Tao Bai
IPC分类号： H04L12/707 , H04L12/803 , H04L12/743 , H04L12/813 , H04L29/06
CPC分类号： H04L45/24 , H04L45/7453 , H04L47/125 , H04L47/20 , H04L69/22
摘要： Embodiments of the present application disclose a multipath transmission based packet traffic control method, including: monitoring egress traffic of a data packet set sent by a source node; determining, according to a preconfigured mapping relationship between traffic ranges and forwarding paths, a target forwarding path set corresponding to the egress traffic of the data packet set, and a weight parameter of the egress traffic borne on each target forwarding path in the target forwarding path set; and distributing the data packet set according to the weight parameter, and transferring the data packet set to a destination node by the target forwarding path set. The embodiments of the present application further disclose a traffic control apparatus. By using the present application, centralized policing and classification can be performed on user traffic in a multipath transmission scenario.

6. 发明申请

US20150304218A1 Control Channel Establishing Method, Forwarding Point, and Controller 有权
标题翻译：控制通道建立方法，转发点和控制器
公开(公告)号：US20150304218A1
公开(公告)日：2015-10-22
申请号：US14792294
申请日：2015-07-06
申请人： Huawei Technologies Co., Ltd.
发明人： Jun Wang , Tao Bai
IPC分类号： H04L12/741 , H04L12/24
CPC分类号： H04L45/74 , H04L12/4641 , H04L12/66 , H04L41/0813 , H04L41/12 , H04L45/02 , H04L45/22 , H04L45/28 , H04L45/42 , H04L45/64 , Y02D30/30
摘要： The present invention provides a control channel establishing method, a forwarding point, and a controller. The method includes: sending, by a first FP, topology information of the first FP to a second FP by using the LLDP; receiving, by the first FP, first routing information that is sent by the controller and is used by the first FP to reach the controller, where the first routing information is generated by the controller according to the topology information of the first FP; and establishing, by the first FP, a second control channel with the controller according to the first routing information. The first FP does not need to run the IGP protocol, thereby avoiding that the first FP maintains an IGP neighbor relationship; moreover, the first FP does not need to store routing information for reaching another FP, which helps save storage resources and helps improve forwarding performance.
摘要翻译：本发明提供一种控制信道建立方法，转发点和控制器。该方法包括：通过使用LLDP将第一FP的拓扑信息发送到第二FP; 通过第一FP接收由控制器发送并由第一FP使用的第一路由信息到达控制器，其中控制器根据第一FP的拓扑信息生成第一路由信息; 以及通过所述第一FP建立与所述控制器根据所述第一路由信息的第二控制信道。第一个FP不需要运行IGP协议，从而避免了第一个FP维护IGP邻居关系; 此外，第一个FP不需要存储用于到达另一个FP的路由信息，这有助于节省存储资源并有助于提高转发性能。

7. 发明授权

US11621915B2 Packet forwarding method, route sending and receiving method, and apparatus 有权
公开(公告)号：US11621915B2
公开(公告)日：2023-04-04
申请号：US17366243
申请日：2021-07-02
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Fang Wang , Tao Bai , Lei Fan , Jianbin Xu
IPC分类号： H04L45/586 , G06F9/455 , H04L12/46 , H04L45/42 , H04L45/741 , H04L45/745
摘要： Embodiments of this application provide a packet forwarding method, a route sending and receiving method, and related apparatus. The method is applied to a data center in a non-uniform memory access (NUMA) architecture. The data center includes a server and a network device, and the server includes a first NUMA node and a second NUMA node. The method includes: The first interface processing unit (IPU) receives a first packet from the network device, where the first packet is a packet to be sent to the first virtual machine in the first NUMA node. The first IPU sends the first packet to the first virtual machine. The second IPU receives a second packet from the network device, where the second packet is a packet to be sent to the second virtual machine in the second NUMA node. The second IPU sends the second packet to the second virtual machine.

8. 发明授权

US10693768B2 Method, apparatus and system for controlling routing information advertising 有权
公开(公告)号：US10693768B2
公开(公告)日：2020-06-23
申请号：US16230694
申请日：2018-12-21
申请人： Huawei Technologies Co., Ltd.
发明人： Yuanbin Ouyang , Shunwan Zhuang , Fengqing Yu , Tao Bai , Lili Wang
IPC分类号： H04L12/741 , H04L12/751 , H04L12/707 , H04L12/64 , H04L12/24 , H04L12/773
摘要： A method, an apparatus and a system for controlling routing information advertising are provided, which relate to the field of communications and are used for reducing the configuration complexity and reinforcing the operability. The method includes: receiving, by a control device, first routing information sent by a first forwarding device; wherein the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining an advertising range of second routing information for the second forwarding device according to the first routing path; for enabling the second forwarding device to advertise the second routing information according to the advertising range of the second routing information.

9. 发明授权

US11095553B2 Method, apparatus and system for controlling routing information advertising 有权
公开(公告)号：US11095553B2
公开(公告)日：2021-08-17
申请号：US16883716
申请日：2020-05-26
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yuanbin Ouyang , Shunwan Zhuang , Fengqing Yu , Tao Bai , Lili Wang
IPC分类号： H04L12/741 , H04L12/751 , H04L12/707 , H04L12/64 , H04L12/24 , H04L12/773
摘要： A method, an apparatus and a system for controlling routing information advertising are provided, which relate to the field of communications and are used for reducing the configuration complexity and reinforcing the operability. The method includes: receiving, by a control device, first routing information sent by a first forwarding device; wherein the first routing information includes an identifier of the first forwarding device; determining a first routing path according to the identifier of the first forwarding device, an identifier of a second forwarding device and a routing path group; and determining an advertising range of second routing information for the second forwarding device according to the first routing path; for enabling the second forwarding device to advertise the second routing information according to the advertising range of the second routing information.

10. 发明授权

US09998807B2 Method and apparatus for establishing trail network 有权
公开(公告)号：US09998807B2
公开(公告)日：2018-06-12
申请号：US15014327
申请日：2016-02-03
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Tao Bai
IPC分类号： H04L12/28 , H04Q11/00 , H04L29/06 , H04L12/701 , H04L12/707 , H04Q3/66 , H04L12/741 , H04L12/735
CPC分类号： H04Q11/0066 , H04L29/06 , H04L45/00 , H04L45/128 , H04L45/22 , H04L45/745 , H04Q3/66 , H04Q11/00 , H04Q11/0062 , H04Q2011/0064 , H04Q2011/0073 , H04Q2011/0081
摘要： A method and an apparatus establish a trail in a network, where the method includes: in a process of establishing a first trail, adding, by a first ingress node to a first trail establishment response message, an IP address of the first ingress node and an optical domain; and in a process of establishing a second trail, receiving, by the first ingress node, a first trail request message sent by a second ingress node; and sending, by the first ingress node to the second ingress node in the optical domain, information about a trail that is of the first trail and is in the optical domain to which the first ingress node belongs. According to the embodiments, that a trail that is of a working trail and a protection trail are in each optical domain do not overlap can be met.

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