Huawei Technologies Co., Limited

Rixin Li

Qiwen Zhong

Zhigang Zhu

Li Xu

Xiaojun Zhang

Min Zha

Jing Huang

Lehong Niu

Yuchun Lu

Qichang Chen

Jingfeng Chen

Shuai Xiao

Ghani Abbas

Haizhou Xiang

Aini Li

A service flow adjustment method and a communication apparatus are provided. Slot adjustment information is carried in a client signal flow sent between nodes, so that times at which all nodes on a network switch slot configuration can be unified, to avoid service damage in a process of adjusting a network transmission bandwidth. The method includes: A first node receives a first client signal flow from a second node by using N slots of a first bundling group; and after first duration starting from a time at which the first node detects slot adjustment information, the first node receives the first client signal flow from the second node by using M slots of the first bundling group.

Service flow adjustment method and communication apparatus

A bit error indication method for a service stream and a related communication apparatus are disclosed. According to the method, when a quantity of bit errors that is counted inside a device exceeds a preset threshold, it can be ensured that the device continues to work normally. The method includes: A network device receives a first signal stream from a first node by using N slots of a first bonding group, determines a first check value based on a first check code in the first signal stream, determines a second check value based on the first check value and a current check value, and sends a second signal stream to a second node by using M slots of the first bonding group. The second signal stream includes a target check value determined based on the second check value.

Bit error indication method for service stream and communication apparatus

This application discloses a code block identification method and related apparatus. The method includes: obtaining a code block stream, where the code block stream includes a first code block; determining a to-be-identified bit pattern and comparing the to-be-identified bit pattern with a template bit pattern to obtain a quantity of inconsistent bits; and identifying the first code block as a first boundary code block when the quantity of inconsistent bits is less than or equal to a first threshold. The to-be-identified bit pattern includes a first bit pattern and corresponds to the first code block. The template bit pattern includes a first template bit pattern and corresponds to the first boundary code block.

Code block identification method and apparatus

Embodiments of this application provide a communication method, a communications device, and a storage medium, to process an invalid block in a data stream. In embodiments of this application, N first block streams are obtained, where N is a positive integer. When there is an invalid block in the N first block streams, the invalid block in the N first block streams is converted into a target block, to obtain a to-be-sent block stream. Then, the to-be-sent block stream is sent. Because the invalid block in the block stream is checked and converted into the target block, an error that occurs in service data at a receive end and that is caused by the invalid block can be reduced.

Communication method, communications device, and storage medium

This application provides a data stream processing method and a network element device. The method includes: obtaining, by a first network element device, a first data stream, where the first data stream includes a first data unit and a first data padding unit; and adjusting, by the first network element device, a quantity of second data padding units in the first data stream, where a relative position of the first data unit and the first data padding unit in the first data stream is the same as a relative position of the first data unit and the first data padding unit in a second data stream, and the second data stream is an adjusted first data stream. When adjusting a rate, the first network element device does not add or delete the first data padding unit in the first data stream.

Data stream processing method and network element device

A data transmission method is disclosed. The method in the embodiments of the present disclosure includes: obtaining, by a sending apparatus, a code block set; determining, by the sending apparatus, whether the code block set includes an idle code block; if the code block set comprises an idle code block, generating, by the sending apparatus, a dedicated code block, where the dedicated code block includes an indication field and a data field, the data field is used to carry a service, the indication field carries indication information, and the indication information is used to indicate that the dedicated code block and indicate that the data field carries the service; replacing, by the sending apparatus, the idle code block with the dedicated code block to obtain a target code block set, and sending, by the sending apparatus, the target code block set.

Data transmission method, sending apparatus, and receiving apparatus

A data transmission method includes: obtaining Q first code block streams, wherein Q is an integer greater than 1, the coding type is M1/N1 bit coding, and one code block in the first code block stream comprises a synchronization header area of (N1&#x2212;M1) bits and a non-synchronization one code block in the second code block stream comprises a synchronization header area of (N1&#x2212;M1) bits and a non-synchronization header area of M1 bits, and a non-synchronization header area of a code block in the Q first code block streams is carried in a non-synchronization header area of a code block in the second code block stream. header area of M1 bits; and placing non-synchronization header areas of code blocks in the Q first code block streams into a to-be-sent second code block stream, wherein a coding type of the second code block stream is M1/N1 bit coding.

Data transmission method, communications device, and storage medium

This disclosure relates to a data transmission method, apparatus, and system, and belongs to the field of communications technologies. The data transmission method includes: obtaining, by a first node, m () first FlexE clients, mapping the m first FlexE clients to one second FlexE client, and transmitting data of the second FlexE client to a second node, where data of each first FlexE client occupies a fixed timeslot of the second FlexE client, and the second node is different from the first node. In this disclosure, a problem in a related technology that a relatively fine granularity of a FlexE client imposes a relatively strict requirement on data processing performance of a node is resolved, and a plurality of first FlexE clients are mapped to one second FlexE client.

Data transmission method, apparatus, and system

A method includes: receiving a first result obtained by performing BIP check on a sent first to-be-checked bit stream; performing BIP check on a received second to-be-checked bit stream to obtain a second result, where the second to-be-checked bit stream is a bit stream received by a receiving device after the first to-be-checked bit stream is transmitted; detecting a type of a control block in the second to-be-checked bit stream, and determining a third result based on impact of the type of the control block on a BIP check result; comparing the first result, the second result, and the third result; and if the first result is different from the second result, the first result is different from the third result, and the second result is different from a predetermined result, determining that a bit error occurs when the first to-be-checked bit stream is transmitted.

Bit error detection method and apparatus

A data transmission apparatus, a data transmission system, and a data transmission method for implementing flexible Ethernet (FlexE) data transmission in an upstream/downstream asymmetric manner includes obtaining a plurality of first data packets that come from different Media Access Control (MAC) clients, where the different MAC clients receive respective second data packets over respective second FlexE virtual links; and sending the plurality of first data packets to a transmit end of the second data packets over a first FlexE virtual link that corresponds to the different MAC clients.

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Shenzhen, China

Rixin Li