A communication node, a receiving node and methods for congestion based routing and flow control in between

摘要

According to embodiments herein a method in a communication node (10) for handling a packet to a destination node (11) in a communications network (1) is provided. The communication node (10) associates the packet with a remaining value, which remaining value is a packet value reduced by a threshold value of an outgoing link from the communication node (10) towards the destination node (11), which threshold value corresponds to a congestion level of the outgoing link. The communication node (10) further handles the packet based on the remaining value, which handling comprises determining whether to drop or to transmit the packet along the outgoing link based on the remaining value.