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Patent Agency Ranking
公开(公告)号：US09369224B2
公开(公告)日：2016-06-14
申请号：US14080998
申请日：2013-11-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Daxiang Kang , Huaguo Xie , Gaowei Luo
Abstract: Embodiments of the present invention provide a clock synchronization method and device. The method includes: receiving, a preconfigured multi-protocol label switching (MPLS) capability parameter and a traffic engineering (TE) capability parameter, and establishing, based on the MPLS capability parameter and the TE capability parameter, an MPLS tunnel interface; establishing, an MPLS TE tunnel whose bidirectional paths are consistent between the first clock synchronization device and a second clock synchronization device; and performing, clock synchronization message interaction with the second clock synchronization device through the established MPLS TE tunnel. In the embodiments of the present invention, by establishing the MPLS TE tunnel whose bidirectional paths are consistent between the first clock synchronization device and the second clock synchronization device which perform clock synchronization message interaction, symmetry of clock synchronization message interaction paths is ensured, and therefore, a time error in clock synchronization resulting from asymmetry of the paths is avoided.
Abstract translation: 本发明的实施例提供了一种时钟同步方法和装置。 该方法包括：接收预配置的多协议标签交换（MPLS）能力参数和流量工程（TE）能力参数，并根据MPLS能力参数和TE能力参数建立MPLS隧道接口; 建立在第一时钟同步装置和第二时钟同步装置之间双向路径一致的MPLS TE隧道; 并通过建立的MPLS TE隧道执行与第二时钟同步设备的时钟同步消息交互。 在本发明的实施例中，通过建立双向路径在执行时钟同步消息交互的第一时钟同步装置和第二时钟同步装置之间一致的MPLS TE隧道，确保时钟同步消息交互路径的对称性，因此 避免了由路径不对称引起的时钟同步时间误差。
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公开(公告)号：US11265368B2
公开(公告)日：2022-03-01
申请号：US16030457
申请日：2018-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Gaowei Luo , Kunpeng Zhou
IPC: H04L29/08 , H04L67/1001 , H04L45/745 , H04L61/2514 , H04L61/2503 , H04L61/2521
Abstract: A load balancing system includes a load balancer and at least one service node, a virtual switch and at least one backend server run on the service node, and an Internet Protocol (IP) address of a logical interface of the backend server is an IP address of the load balancer, the load balancer receives an access request from a client, and changes a destination address of the access request to an IP address of a virtual network interface card of a destination backend server, and a virtual switch on a service node changes the destination address of the access request to the IP address of the load balancer when receiving the access request such that when the destination backend server returns an access response, a source address of the access response includes the address of the load balancer.
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公开(公告)号：US10187459B2
公开(公告)日：2019-01-22
申请号：US15783519
申请日：2017-10-13
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Gaowei Luo
IPC: G06F15/173 , H04L29/08 , H04L12/46 , H04L12/24
Abstract: A distributed load balancing system includes a cloud management platform, an access node, and at least one service node, where the access node and the at least one service node are physical servers, a first virtual load balancer runs on the access node, and at least one backend server runs on the service node. A detection message is sent by using a detection module on a target service node to detect a status of a target backend server, and the status of the target backend server is shared to a first virtual load balancer by using the detection module. Therefore, not only a quantity of detection messages in the load balancing system is reduced, but also signaling load on the access node is reduced.
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公开(公告)号：US20180324245A1
公开(公告)日：2018-11-08
申请号：US16030457
申请日：2018-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Gaowei Luo , Kunpeng Zhou
IPC: H04L29/08 , H04L12/741
CPC classification number: H04L67/1002 , H04L45/745
Abstract: A load balancing system includes a load balancer and at least one service node, a virtual switch and at least one backend server run on the service node, and an Internet Protocol (IP) address of a logical interface of the backend server is an IP address of the load balancer, the load balancer receives an access request from a client, and changes a destination address of the access request to an IP address of a virtual network interface card of a destination backend server, and a virtual switch on a service node changes the destination address of the access request to the IP address of the load balancer when receiving the access request such that when the destination backend server returns an access response, a source address of the access response includes the address of the load balancer.
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公开(公告)号：US20140211780A1
公开(公告)日：2014-07-31
申请号：US14080998
申请日：2013-11-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Daxiang Kang , Huaguo Xie , Gaowei Luo
IPC: H04W56/00
Abstract: Embodiments of the present invention provide a clock synchronization method and device. The method includes: receiving, a preconfigured multi-protocol label switching (MPLS) capability parameter and a traffic engineering (TE) capability parameter, and establishing, based on the MPLS capability parameter and the TE capability parameter, an MPLS tunnel interface; establishing, an MPLS TE tunnel whose bidirectional paths are consistent between the first clock synchronization device and a second clock synchronization device; and performing, clock synchronization message interaction with the second clock synchronization device through the established MPLS TE tunnel. In the embodiments of the present invention, by establishing the MPLS TE tunnel whose bidirectional paths are consistent between the first clock synchronization device and the second clock synchronization device which perform clock synchronization message interaction, symmetry of clock synchronization message interaction paths is ensured, and therefore, a time error in clock synchronization resulting from asymmetry of the paths is avoided.
Abstract translation: 本发明的实施例提供了一种时钟同步方法和装置。 该方法包括：接收预配置的多协议标签交换（MPLS）能力参数和流量工程（TE）能力参数，并根据MPLS能力参数和TE能力参数建立MPLS隧道接口; 建立在第一时钟同步装置和第二时钟同步装置之间双向路径一致的MPLS TE隧道; 并通过建立的MPLS TE隧道执行与第二时钟同步设备的时钟同步消息交互。 在本发明的实施例中，通过建立双向路径在执行时钟同步消息交互的第一时钟同步装置和第二时钟同步装置之间一致的MPLS TE隧道，确保时钟同步消息交互路径的对称性，因此 避免了由路径不对称引起的时钟同步时间误差。
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