Huawei Technologies Co., Limited

Linchun Wang

Nan Li

Jingzhou Yu

Xiaofei Xu

Hongfei Chen

Daochun Mo

Qingzhi Liu

Yang Liu

Xiaojun Zhang

Chuang Wang

Yuchun Lu

Xiang Yu

Yang He

Wenyang Lei

Hui Lu

Dajun Zang

Cuicui Wang

Qiupeng Zhao

Yantao Guo

Zijian He

Xingtao Yan

Wenzong Yang

This application provides for data transmission between first and second network devices. The first network device requests information from the second network device and in return receives grant information from the second network device. The grant information includes at least a first sequence number that is used by the first network device to determine a first credit limit, where the first credit limit is an amount of data allowed to be sent by the first network device in a packet-distributed load sharing manner. The first network device sends data to the second network device based on the first credit limit. Second and third sequence numbers are also described.

Data transmission method and network device

Embodiments of this application provide a balance-unbalance conversion apparatus. The apparatus includes an insulation substrate, a first microstrip, a second microstrip, and a conductive ground. The first microstrip includes a first balance signal connection section, a first impedance matching section, and an unbalance signal connecting section. The unbalance signal connecting section is configured to transmit an unbalance signal. The second microstrip includes a second balance signal connecting section, a second impedance matching section, and a ground section. The second balance signal connecting section is configured to transmit a second component of the balance signal. The ground section is configured to connect to a ground signal. The first microstrip, the second microstrip, and the conductive ground are all disposed on the insulation substrate, and a cross-sectional area of at least a part of the first microstrip and/or at least a part of the second microstrip is gradient.

Balance-unbalance conversion apparatus, communications device, and communications system

A method, including obtaining a first protocol descriptor according to a protocol header field of an input packet, and further according to a preset protocol field mapping relationship, where the first protocol descriptor corresponds to the protocol header field of the input packet, and where the preset protocol field mapping relationship comprises a mapping relationship between the first protocol descriptor and the protocol field of the input packet, obtaining a second protocol descriptor according to the first protocol descriptor, obtaining, according to the preset protocol field mapping relationship and the second protocol descriptor, a second protocol header field, and obtaining an output packet, where the output packet comprises the second protocol header field.

Packet edit processing method and related device

This application relates to the field of storage technologies and discloses a content addressable memory, a data processing method, and a network device, to resolve a problem that an existing CAM has a relatively large area, and consumes relatively large power. The CAM includes bit units of M rows and N columns, each bit unit includes a first FeFET and a second FeFET, a source of the first FeFET is connected to a drain of the second FeFET, a source of the second FeFET is grounded, bit cells of a same column correspond to a same match line, and a drain of a first FeFET in each bit cell of a same column is connected to a match line corresponding to the column. Bit cells of a same row correspond to a same first bit line and a same second bit line, a gate of a first FeFET in each bit cell of a same row is connected to a first bit line corresponding to the row, and a gate of a second FeFET in each bit cell of a same row is connected to a second bit line corresponding to the row. The CAM may be applied to a network device such as a router.

Content addressable memory, data processing method, and network device

This application discloses an optical backplane system, which includes a first upper-level optical interconnection module, a first lower-level optical interconnection module, and a second lower-level optical interconnection module. The first upper-level optical interconnection module includes M1 first interfaces and N1 second interfaces in connection relationships. The first lower-level optical interconnection module includes L1 third interfaces and K1 fourth interfaces in connection relationships. The second lower-level optical interconnection module includes L2 third interfaces and K2 fourth interfaces in connection relationships. The first upper-level optical interconnection module is connected to one of the L1 third interfaces of the first lower-level optical interconnection module by using one of the N1 second interfaces. The first upper-level optical interconnection module is connected to one of the L2 third interfaces of the second lower-level optical interconnection module by using another one of the N1 second interfaces.

Optical backplane system, switching system, and switching system upgrade method

The present disclosure relates to registration methods and devices. One example method includes obtaining, by a line card, line card information of the line card, the line card comprising a fabric interface chip optically interconnected to a switch fabric chip in at least one switch fabric card by using an optical fiber, and sending, by the line card, the line card information to the at least one switch fabric card through an optical interconnect path. The at least one switch fabric card registers the line card based on the line card information.

Board registration method, board, and forwarding device

A data processing method and a related device are provided. The method includes receiving, by the iprocessing circuit in a first circuit set, a first packet header and data D, obtaining data D'based on a first field in the first packet header, and sending the first packet header and data Dto the (i+1)processing circuit in the first circuit set, where the data Dis obtained based on the data Dand the data D&#x2032;. The method also includes sending, by the iprocessing circuit in the first circuit set, the data Dto the (i+1)processing circuit in a second circuit set and sending, by the iprocessing circuit in the second circuit set, a second packet header to the (i+1)processing circuit in the second circuit set.

Data processing method executed by network apparatus, and related device

A packet edit processing method and a device are provided. In an embodiment, the method includes: generating an input packet template based on N to-be-edited protocol header fields of an input packet, and a preset protocol field mapping relationship, where the input packet template includes N protocol descriptors, and the protocol field mapping relationship is a mapping relationship between a protocol field included in a protocol descriptor and a protocol field included in a protocol header field; performing edit processing on the input packet template to obtain an output packet template; and converting, based on the preset protocol field mapping relationship, M protocol descriptors into M protocol header fields of an output packet, and replacing the N protocol header fields in the input packet with the M protocol header fields to obtain the output packet.

Disclosed are a data processing method, a processor, and a data processing device. The method comprises: an arbiter sends data Dto a first processing circuit; the first processing circuit processes the data Dto obtain data D, the first processing circuit being a processing circuit among m processing circuits; the first processing circuit sends the data Dto a second processing circuit; the second processing circuit to an mprocessing circuit separately process the received data; and the arbiter receives data Dsent by the mprocessing circuit. The processor comprises an arbiter and a first processing circuit to an (m+1)processing circuit. Each processing circuit in the first processing circuit to the (m+1)processing circuit can receive first data to be processed sent by the arbiter, and process the first data to be processed. The scheme is helpful to improve efficiency of data processing.

Data processing method, processor, and data processing device

A method for transmitting packets in an RPR includes: pre-setting an MAC table having an item which is a corresponding relationship between the node MAC address and the UE MAC address of each node; an RPR node receiving an insert packet, performing the MAC table lookup, deciding whether an item matching a destination MAC address of the insert packet exists; if there exists the item, converting the insert packet to an extended frame-formatted packet where the RPR destination node MAC address equals to the node MAC address of the item and sending the converted packet to the destination node, and performing the corresponding process; if there does not exist the item, converting the insert packet to an extended frame-formatted packet where the RPR destination node MAC address equals to a broadcast MAC address, broadcasting the converted packet on the whole network, and performing the corresponding process.

Growing community of inventors

Beijing, China

Linchun Wang