Patent ID: 9467380
Filing Date: 2016-10-11
CPC Classification: H04L

Claim Text:
1. A flow migration method for a data center network, the method comprising detecting a utilized loading value in each switch of a plurality of switches in the data center network by a controller according to topology information of the data center network; re-establishing a plurality of link paths corresponding to the plurality of switches in the data center network by the controller according to the utilized loading value in each switch and a disjoint edge node divided spanning tree algorithm, wherein a computational complexity of the disjoint edge node divided spanning tree algorithm approaches O(N when the utilized loading value of at least one link path is greater than a threshold value in the re-established link paths corresponding to the plurality of switches in the data center network, rerouting the at least one link path with the utilized loading value greater than the threshold value by a controller according to a flow migration algorithm.