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1. 发明公开

EP4390712A1 NETWORK INTERFACE CARD, MESSAGE SENDING METHOD AND STORAGE APPARATUS 审中-实审
公开(公告)号：EP4390712A1
公开(公告)日：2024-06-26
申请号：EP22869317.2
申请日：2022-09-15
申请人： Huawei Technologies Co., Ltd.
发明人： HAN, Zhaojiao , ZHAO, Xinteng , HE, Xianjun , FU, Qiang
IPC分类号： G06F15/173
CPC分类号： H04L67/146 , G06F9/54 , G06F15/173
摘要： A network interface card, a message sending method, and a storage apparatus are provided, relate to the storage field, and are used to prevent a QP disconnection due to a fault of a non-volatile storage medium in the storage apparatus. The network interface card includes a processor and a communication interface connected to the processor. The processor is configured to obtain a first piece of first indication information and a first piece of second indication information. The first piece of first indication information indicates a first identifier of a non-volatile storage medium corresponding to a first RDMA message, and the first piece of second indication information indicates whether the non-volatile storage medium corresponding to the first identifier is faulty. The communication interface is configured to send the first RDMA message when the first piece of first indication information and the first piece of second indication information indicate that the non-volatile storage medium corresponding to the first RDMA message is not faulty.

2. 发明公开

EP4177763A1 DATA ACCESS METHOD AND RELATED DEVICE 审中-实审
公开(公告)号：EP4177763A1
公开(公告)日：2023-05-10
申请号：EP21846481.6
申请日：2021-07-22
申请人： Huawei Technologies Co., Ltd.
发明人： HE, Xianjun , YU, Bowei
IPC分类号： G06F13/28
摘要： This application provides a data access method and a related device. The method includes: A network device writes to-be-written data received from a host into memory of a storage device, where the host is connected to the storage device by using the network device. The network device indicates a solid-state drive SSD into which the to-be-written data in the storage device is to be written to write the to-be-written data in the memory into the SSD. According to the foregoing method, the data can be directly stored in the memory of the storage device, and the SSD migrates the data from the memory to the SSD for persistent storage without participation of a CPU of the storage device. This reduces CPU occupation of the storage device.

3. 发明授权

EP2959645B1 DYNAMIC OPTIMIZATION OF TCP CONNECTIONS 有权
公开(公告)号：EP2959645B1
公开(公告)日：2020-06-24
申请号：EP14764788.7
申请日：2014-03-13
申请人： Huawei Technologies Co., Ltd.
发明人： WACLAWSKY, John , HE, Xianjun , MENG, Zechao
IPC分类号： H04L12/70 , H04L29/06 , H04L12/801 , H04L12/807

4. 发明公开

EP4429187A1 PATH SENSING METHOD, APPARATUS AND SYSTEM 审中-实审
公开(公告)号：EP4429187A1
公开(公告)日：2024-09-11
申请号：EP22897596.7
申请日：2022-11-07
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Heyang , YAN, Jinfeng , TAO, Peiying , HE, Xianjun , HU, Tingbo
IPC分类号： H04L45/02
CPC分类号： H04L45/00 , H04L45/02
摘要： This application provides a path awareness method, apparatus, and system, to accurately perform fault detection and fault positioning. The method includes: A source node sends, to a destination node, a first request packet that includes an identifier of a first node, an identifier of a first data flow, and first reserved information; receives a first response packet that includes the identifier of the first data flow, the identifier of the first node, and first indication information; and obtains, based on the first response packet, information indicating that a first path passes through the first node or a first path does not pass through the first node. The first request packet is used to request to determine whether the first path passes through the first node, the first reserved information is used to record a result about whether the first path passes through the first node, and the first indication information is obtained by recording, in the first reserved information, the result about whether the first path passes through the first node.

5. 发明公开

EP4261671A1 DATA ACCESS METHOD AND RELATED DEVICE 审中-实审
公开(公告)号：EP4261671A1
公开(公告)日：2023-10-18
申请号：EP21914506.7
申请日：2021-12-29
申请人： Huawei Technologies Co., Ltd.
发明人： HE, Xianjun , HAN, Zhaojiao , YU, Bowei , CHEN, Can , TAN, Chunyi
IPC分类号： G06F3/06
摘要： This application provides a data access method and a related device. The method includes: A network device receives access requests sent by a plurality of clients connected to the network device, and sends the access requests to an access queue of a storage unit. The storage unit executes the access requests in the access queue, and returns processing results of the access requests of the plurality of clients. The network device returns the processing results that are of the access requests and that are returned by the storage unit to the clients corresponding to the access requests. According to the method, the access queue can be used to process the access requests sent by the plurality of clients, so that one access queue corresponds to a plurality of clients. This breaks through an inherent quantity limit of the access queue, supports a large-scale networking connection, and expands application scenarios.

6. 发明公开

EP4213006A1 STORAGE NODE, STORAGE DEVICE AND NETWORK CHIP 审中-实审
公开(公告)号：EP4213006A1
公开(公告)日：2023-07-19
申请号：EP21876919.8
申请日：2021-08-30
申请人： Huawei Technologies Co., Ltd.
发明人： CHEN, Piao , WANG, Feng , TAN, Chunyi , WANG, Huaqiang , CHENG, Zhongwu , HE, Xianjun , SUN, Hao
IPC分类号： G06F3/06
摘要： Embodiments of this application provide a storage node, including a network chip and a storage device. By opening a memory of the storage device to the network chip, a table resource required by the network chip to maintain each connection in a related technology is offloaded to the memory of the storage device. The network chip is configured to generate a command based on an access request of a client, store the command in a first table in the memory of the storage device, and execute the command in the first table to access the storage device. The storage device is configured to store data accessed by using the command. The present invention enables the network chip to support a larger quantity of connections in limited storage space of the network chip.

7. 发明公开

EP2930899A1 TCP LINK CONFIGURATION METHOD, APPARATUS AND DEVICE 有权
标题翻译： TCP-VERBINDUNGSKONFIGURATIONSVERFAHREN，VORRICHTUNG UND VORRICHTUNG
公开(公告)号：EP2930899A1
公开(公告)日：2015-10-14
申请号：EP13898892.8
申请日：2013-12-27
申请人： Huawei Technologies Co., Ltd.
发明人： HE, Xianjun , WACLAWSKY, John , MENG, Zechao
IPC分类号： H04L29/06 , H04L12/24 , G06F17/30
摘要： Embodiments of the present invention disclose a TCP link configuration method, apparatus, and device. The method includes: acquiring data information in a data packet transmitted on a target TCP link or transmission information generated in a process of transmitting the data packet; determining, according to the data information or the transmission information, a target network type of a network on which the target TCP link is located; searching a pre-established configuration library for a target TCP configuration file corresponding to the target network type, where the configuration library includes a correspondence between a network type and a TCP configuration file, and each network type corresponds to one TCP configuration file; and configuring the target TCP link by using the searched target TCP configuration file. According to the method, the configured target TCP link is better adapted to a network on which the target TCP link is located; use of network bandwidth can be maximized; and TCP transmission efficiency can be improved.
摘要翻译：本发明的实施例公开了一种TCP链路配置方法，装置和装置。该方法包括：获取在目标TCP链路上发送的数据分组中的数据信息或在发送数据分组的过程中生成的传输信息; 根据所述数据信息或所述传输信息，确定所述目标TCP链路所在的网络的目标网络类型; 搜索与目标网络类型对应的目标TCP配置文件的预先建立的配置库，其中配置库包括网络类型和TCP配置文件之间的对应关系，并且每个网络类型对应于一个TCP配置文件; 并通过使用搜索到的目标TCP配置文件配置目标TCP链路。根据该方法，配置的目标TCP链路更适合于目标TCP链路所在的网络; 可以最大限度地利用网络带宽; 可以提高TCP传输效率。

8. 发明公开

EP4369682A1 METHOD AND APPARATUS FOR DETERMINING HASH ALGORITHM INFORMATION FOR LOAD BALANCING, AND STORAGE MEDIUM 审中-实审
公开(公告)号：EP4369682A1
公开(公告)日：2024-05-15
申请号：EP22851867.6
申请日：2022-07-18
申请人： Huawei Technologies Co., Ltd.
发明人： ZHENG, Hewen , ZHANG, Xiaojun , HE, Xianjun , CUI, Lei , HAN, Lei
IPC分类号： H04L47/12 , H04L47/125 , H04L49/15 , H04L49/25
CPC分类号： H04L47/125 , H04L49/25 , H04L47/12 , H04L49/15 , Y02D30/50
摘要： A method and an apparatus for determining hash algorithm information for load balancing, and a storage medium are provided, to determine, based on first hash algorithm information of a first communication device and information about a first quantity of first ports of the first communication device, second hash algorithm information that is used for load balancing and that is of a second communication device. In this application, a load balancing device receives a first message, where the first message includes the first hash algorithm information of the load balancing mode of the first communication device and the information about the first quantity of first ports of the first communication device. The load balancing device determines the second hash algorithm information of the load balancing mode of the second communication device based on the first hash algorithm information and the information about the first quantity. Because the load balancing device can obtain the first quantity and the first hash algorithm information used by the first communication device for load balancing, the second hash algorithm information can be more properly determined based on the first hash algorithm information and the information about the first quantity.

9. 发明公开

EP4425880A1 PARAMETER ADJUSTMENT METHOD AND APPARATUS 审中-实审
公开(公告)号：EP4425880A1
公开(公告)日：2024-09-04
申请号：EP22897342.6
申请日：2022-09-23
申请人： Huawei Technologies Co., Ltd.
发明人： JIA, Xitong , MENG, Ke , ZHOU, Hong , HAN, Lei , HE, Xianjun
IPC分类号： H04L47/10 , H04L47/12
CPC分类号： H04L47/10 , H04L47/12
摘要： A parameter adjustment method (500) and apparatuses (1000, 1100) are provided. The method (500) includes: A first exploration device corresponding to a first service node receives a first parameter set from a management device, where the first parameter set includes one or more parameters used by the first exploration device to perform parameter adjustment, the first service node is any one of a plurality of service nodes included in a data center network, and the plurality of service nodes one-to-one correspond to a plurality of exploration devices. The first exploration device obtains a network status of the first service node based on each parameter adjustment until the network status reaches a preset condition, where each parameter adjustment includes: adjusting one parameter in the first parameter set. The parameter is flexibly adjusted based on the network status, to be applicable to different services. This can improve network performance, and further improve service performance.

10. 发明公开

EP4404041A1 TRAFFIC CONTROL METHOD AND APPARATUS 审中-实审
公开(公告)号：EP4404041A1
公开(公告)日：2024-07-24
申请号：EP22879890.6
申请日：2022-06-27
申请人： Huawei Technologies Co., Ltd.
发明人： HE, Xianjun , YU, Bowei , HAN, Zhaojiao
IPC分类号： G06F3/06
CPC分类号： G06F3/06
摘要： A traffic control method and a traffic control apparatus (50, 90) are provided, and relate to the field of storage technologies. The method can ensure read and write performance of a storage system. The method is used for a server device (30, 40) in the storage system. The method includes: receiving a first input/output I/O request sent by a first client device in a plurality of client devices, where the first input/output I/O request is for accessing a first hard disk in a plurality of hard disks configured for the server device (30, 40); and processing, by the server device (30, 40), the first input/output I/O request by using a first buffer region in a plurality of buffer regions. The plurality of buffer regions are respectively for buffering data of I/O requests for accessing the plurality of hard disks, and the first buffer region in the plurality of buffer regions is dedicated to buffering data of IO requests for accessing the first hard disk.

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