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公开(公告)号：US20220345404A1
公开(公告)日：2022-10-27
申请号：US17859335
申请日：2022-07-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yonglong Fang , Hongwei HE
IPC: H04L45/745 , H04L12/46
Abstract: A first network device is provided, comprising a memory storing instructions and a routing table comprising a plurality of routing entries. Each routing entry comprises a site prefix and a corresponding site identifier. The first network device further comprises at least one processor in communication with the memory. The at least one processor is configured, upon execution of the instructions, to perform the steps of: receive a first data packet, the first data packet carrying a destination address, the first network device being deployed in a first site; determine a target routing entry from the routing table based on the destination address, the destination address matching a site prefix comprised in the target routing entry, a site identifier comprised in the target routing entry identifying a second site; and send the first data packet to a second site network device deployed in the second site.
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公开(公告)号：US12063155B2
公开(公告)日：2024-08-13
申请号：US17859387
申请日：2022-07-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hongwei He , Yonglong Fang , Qi Yu
CPC classification number: H04L45/38 , H04L12/4633 , H04L45/566
Abstract: A first network device of a plurality of network devices is provided. The first network device is configured to receive a first data packet from a second site; search a flow table stored in the first network device for a target flow entry whose flow identifier is of a first data flow, each entry comprises a flow identifier and a corresponding outbound interface identifier, the target flow entry is created when the first site sends a second data flow to the second site, a source address of the second data flow is a destination address of the first data flow, and a destination address of the second data flow is a source address of the first data flow; and if the target flow entry is found, send the first data packet through an interface corresponding to an outbound interface identifier in the target flow entry.
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公开(公告)号：US09270558B2
公开(公告)日：2016-02-23
申请号：US14084109
申请日：2013-11-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yonglong Fang
CPC classification number: H04L43/0876 , H04L63/306 , H04L65/1016 , H04L65/1046 , H04L65/105 , H04L65/1073 , H04L65/80 , H04L67/1034 , H04L69/40
Abstract: Embodiments of the present invention relate to the communications field and disclose a method, a local gateway, and a system for local voice survivability, to implement local voice survivability without configuring a DNS proxy function on a local gateway or configuring a server on a user terminal. A specific solution is: detecting, according to a preset detection period, an activity state of a server recorded in a server monitoring list, where the server monitoring list records a voice server on an Internet protocol IP multimedia subsystem IMS network in advance; intercepting, when it is detected that all servers in the server monitoring list are in an unavailable state, a service data stream sent by a user terminal to the server; and providing a corresponding service response for the user terminal according to content of the intercepted service data stream. The present invention applies to a process of voice survivability.
Abstract translation: 本发明的实施例涉及通信领域，并且公开了一种方法，本地网关和用于本地语音生存能力的系统，以在不在本地网关上配置DNS代理功能或在用户终端上配置服务器的情况下实现本地语音生存能力 。 一个具体的解决方案是：根据预设的检测周期检测记录在服务器监控列表中的服务器的活动状态，其中服务器监控列表预先在因特网协议IP多媒体子系统IMS网络上记录语音服务器; 当检测到服务器监视列表中的所有服务器处于不可用状态时，拦截用户终端向服务器发送的服务数据流; 并根据被拦截的业务数据流的内容为用户终端提供相应的业务响应。 本发明适用于语音生存能力的过程。
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公开(公告)号：US20200304411A1
公开(公告)日：2020-09-24
申请号：US16821452
申请日：2020-03-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Penghe Tang , Yonglong Fang
IPC: H04L12/803 , H04L12/707
Abstract: The method includes: receiving, by a first device, a first packet from a second device, where the first packet includes a primary scheduling identifier, and the primary scheduling identifier is used to identify that the second device has permission to select a path; determining, by the first device, a first path used to transmit the first packet; sending, by the first device, a second packet to the second device by using the first path, where the second packet includes a following identifier, and the following identifier is used to identify that the first device sends the packet by using a transmission path selected by a device other than the first device. This can ensure that a same path is used for bidirectional packet transmission between two communication parties while ensuring service quality, in a complex SD-WAN path selection scenario.
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公开(公告)号：US20160162377A1
公开(公告)日：2016-06-09
申请号：US14962625
申请日：2015-12-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yonglong Fang
CPC classification number: G06F11/2007 , G06F2201/85 , H04L45/28 , H04L61/103 , H04L61/1511 , H04L61/6022 , H04L63/101 , H04L67/02 , H04L67/2814 , H04L69/40 , H04W12/08 , H04W76/10 , H04W84/12
Abstract: An access control method and system and an access point. When a fault occurs in an access controller (AC), an access point (AP) configures a network-layer interface of the AP according to an Internet Protocol (IP) address and a media access control (MAC) address of the AC that are obtained by means of pre-learning, and then the AP routes a received packet to a Web server on a wireless local area network (WLAN) using the configured network-layer interface, where the packet is used by a first station (STA) to request to access an external server. Therefore, interconnection and interworking among wireless local area networks are implemented, and a breakdown of a wireless local area network caused in a centralized network architecture due to occurrence of a fault in an AC is avoided.
Abstract translation: 访问控制方法和系统以及接入点。 当接入控制器（AC）发生故障时，接入点（AP）根据互联网协议（IP）地址和AC的媒体接入控制（MAC）地址配置AP的网络层接口 通过预学习获得，然后AP使用配置的网络层接口将接收到的分组路由到无线局域网（WLAN）上的Web服务器，其中分组由第一站（STA）用于 请求访问外部服务器。 因此，实现了无线局域网之间的互连和互通，避免了由AC发生故障而导致的集中式网络架构中无线局域网的故障。
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Patent Agency Ranking
公开(公告)号：US20160142222A1
公开(公告)日：2016-05-19
申请号：US14941271
申请日：2015-11-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yonglong Fang
IPC: H04L12/28 , H04L12/26 , H04W72/04 , H04L12/803
CPC classification number: H04L12/2867 , H04L43/0894 , H04L47/122 , H04W28/08 , H04W72/04
Abstract: A data transmission method includes: receiving, by an access gateway, data packets; transmitting, by the access gateway, the data packets to an operator network using a digital subscriber line DSL channel; detecting, by the access gateway, a status of a bandwidth occupied when the data packets are transmitted on the DSL channel; determining, by the access gateway, that the DSL channel cannot satisfy a user requirement and some data packets need to be overflowed; and overflowing, by the access gateway to an LTE channel, the data packets needing to be overflowed, and transmitting the data packets to the operator network using the DSL channel in combination with the LTE channel.
Abstract translation: 数据传输方法包括：接入网关接收数据包; 由接入网关使用数字用户线DSL信道将数据分组发送到运营商网络; 由所述接入网关检测在所述DSL信道上发送所述数据分组时占用的带宽的状态; 由接入网关确定DSL信道不能满足用户需求，并且需要溢出一些数据分组; 并且通过接入网关向LTE信道溢出需要溢出的数据分组，并且使用DSL信道与LTE信道一起将数据分组发送到运营商网络。
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公开(公告)号：US11616724B2
公开(公告)日：2023-03-28
申请号：US16821452
申请日：2020-03-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Penghe Tang , Yonglong Fang
IPC: H04L47/122 , H04L45/00
Abstract: The method includes: receiving, by a first device, a first packet from a second device, where the first packet includes a primary scheduling identifier, and the primary scheduling identifier is used to identify that the second device has permission to select a path; determining, by the first device, a first path used to transmit the first packet; sending, by the first device, a second packet to the second device by using the first path, where the second packet includes a following identifier, and the following identifier is used to identify that the first device sends the packet by using a transmission path selected by a device other than the first device. This can ensure that a same path is used for bidirectional packet transmission between two communication parties while ensuring service quality, in a complex SD-WAN path selection scenario.
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公开(公告)号：US20220255911A1
公开(公告)日：2022-08-11
申请号：US17732165
申请日：2022-04-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuanzheng Chu , Yonglong Fang , Dongqi Zou
Abstract: Embodiments of this application disclose a method for secure communication and a device. A local device sends indication information to a peer device, to indicate the peer device to establish a key negotiation template. After establishing a same key negotiation template, the two devices respectively generate corresponding IPSec keys in IPSec aging periods based on the key negotiation template. According to the method provided in this application, each time an IPSec key needs to be negotiated, the IPSec key may be obtained based on the key negotiation template by exchanging a latest public key and indication information of a current IPSec aging period. Even in large-scale networking scenarios such as IoT, IPSec keys corresponding to IPSec aging periods can still be quickly and efficiently obtained, to implement secure communication between devices.
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公开(公告)号：US20220255909A1
公开(公告)日：2022-08-11
申请号：US17727135
申请日：2022-04-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Pan , Yonglong Fang , Liang Xia , Bo Wu
Abstract: A method includes receiving, by a first network device, a first packet and a second packet, where the first packet and the second packet belong to first traffic, and all packets included in the first traffic match a first traffic differentiation rule; based on a mapping relationship between the first traffic and a first encryption policy group, encrypting, by the first network device, the first packet using a first encryption policy to obtain a third packet, and encrypting, by the first network device, the second packet using a second encryption policy to obtain a fourth packet, where the first encryption policy group includes the second encryption policy and the first encryption policy, and the first encryption policy and the second encryption policy are different encryption policies; and sending, by the first network device, the third packet and the fourth packet to a second network device.
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公开(公告)号：US10289504B2
公开(公告)日：2019-05-14
申请号：US14962625
申请日：2015-12-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yonglong Fang
IPC: H04W88/08 , G06F11/20 , H04L29/08 , H04L29/12 , H04L12/703 , H04L29/06 , H04W76/10 , H04W12/08 , H04L29/14 , H04W84/12
Abstract: An access control method and system and an access point. When a fault occurs in an access controller (AC), an access point (AP) configures a network-layer interface of the AP according to an Internet Protocol (IP) address and a media access control (MAC) address of the AC that are obtained by means of pre-learning, and then the AP routes a received packet to a Web server on a wireless local area network (WLAN) using the configured network-layer interface, where the packet is used by a first station (STA) to request to access an external server. Therefore, interconnection and interworking among wireless local area networks are implemented, and a breakdown of a wireless local area network caused in a centralized network architecture due to occurrence of a fault in an AC is avoided.
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