Data sending method, receiving method, sending device and receiving device

The embodiment of the invention discloses a data sending method, a data receiving method, a data sending device and a data receiving device, which are used for improving the data transmission reliability of a flexible Ethernet group. The data sending method comprises the following steps: a sending device determines a plurality of physical channels without faults in a plurality of physical channels; a sending device splits and encodes data to be sent to obtain a plurality of encoded data segments; and the sending equipment transmits the plurality of coded data segments through a plurality of physical channels without faults. 本申请实施例公开了一种数据发送方法、接收方法、发送装置和接收装置，用以提高灵活以太网组传输数据的可靠性。该数据发送方法包括：发送设备在多个物理通道中确定出多个未发生故障的物理通道；发送设备将待发送的数据拆分和编码，得到多个编码后的数据段；发送设备将多个将编码后的数据段通过多个未发生故障的物理通道进行传输。