Packet Sending Method and Apparatus Based on Multi-Link Aggregation

An apparatus, comprising:

• a receiving unit, configured to receive a packet, wherein the packet carries priority information indicating a priority of the packet;
• a selection unit, configured to select, according to a correspondence between packet priorities and component links in a link aggregation group, a component link corresponding to the priority of the packet, wherein the link aggregation group comprises a first component link and a second component link, availability of the first component link is higher than availability of the second component link, and in the correspondence between packet priorities and component links, a first priority corresponds to the first component link, a second priority corresponds to the second component link or the first component link, and the first priority is higher than the second priority;
• and
• a sending unit, configured to send the packet on the selected component link.

A device, comprising:

• a communications interface;
• a processor;
• and
• a non-transitory memory;
• wherein the communications interface, the processor, and the memory communicate with each other by using a bus;
• wherein the memory stores an executable instruction, and the processor invokes the executable instruction in the memory, to:
• receive a packet, wherein the packet carries priority information indicating a priority of the packet;
• select, according to a correspondence between packet priorities and component links in a link aggregation group, a component link corresponding to the priority of the packet, wherein the link aggregation group comprises a first component link and a second component link, availability of the first component link is higher than availability of the second component link, and in the correspondence between packet priorities and component links, a first priority corresponds to the first component link, a second priority corresponds to the second component link and the first component link, and the first priority is higher than the second priority;
• and
• send the packet on the selected component link.