Patent ID: 9331945
Filing Date: 2016-05-03
CPC Classification: H04L,H04W

Claim Text:
1. A method for transmitting a data stream, comprising: determining, by a first network device, according to a forwarding table, candidate forwarding ports for transmitting the data stream; determining, according to a priority level of the data stream and priority levels of the candidate forwarding ports, forwarding ports for transmitting the data stream, wherein the candidate forwarding ports are determined as the forwarding ports which can be used for transmitting the data stream, when the priority levels of the candidate forwarding ports are lower than or equal to the priority level of the data stream; and the candidate forwarding ports are not determined as the forwarding ports which can be used for transmitting the data stream, when the priority levels of the candidate forwarding ports are higher than the priority level of the data stream; and transmitting the data stream through a first forwarding port of the forwarding ports; when the first forwarding port is congested, transmitting the data stream through a second forwarding port of the forwarding ports; wherein a priority level of the first forwarding port is higher than a priority level of the second forwarding port.