Patent ID: 9391910
Filing Date: 2016-07-12
CPC Classification: H04L

Claim Text:
1. A method comprising: at an ingress buffer module of a network device, calculating a target transmission rate for an ingress port associated with the ingress buffer module based on feedback information received from a first egress port for said network device, the feedback information indicating a congestion degree at the first egress port, wherein the ingress port is separate from the first egress port; comparing, at the ingress buffer module of the network device, the calculated target transmission rate of the ingress port to an arrival rate at which data is arriving at the ingress port for transmission by the first egress port; determining, at the ingress buffer module of the network device, whether to send a Pause message based on the results of the comparison, wherein the calculating, comparing, and determining are performed at each of a plurality of ingress buffer modules with respect to one or more associated ingress ports, wherein the ingress buffer module sends the Pause message for the first ingress port during a first time window Tw, the Pause message including a pause generation probability value which is obtained by a function of a computation involving the calculated target transmission rate for the first ingress port and the arrival rate at which data arrives at the first ingress port during said first time interval Tw.