Scalable Elephant Flow Rerouting Sample Clauses

Scalable Elephant Flow Rerouting. ‌ State-of-the-art solutions, e.g. [6], which utilize the OCS plane by elephant flows, introduce a coupled architecture in which both the detection and rerouting of elephant flows are employed over the switches that are directly connected to the OCS plane. In particular, for OpenFlow based solutions [7], such coupling dictates the installation of an OpenFlow rule for each detected elephant flow in order to reroute it to the OCS plane [8]. Other OpenFlow-based solutions (e.g., Xxxxxx [9] and Hedera [10]) present different elephant flow detection and load-balancing solutions; both are employed by a specific OpenFlow rule for each detected elephant flow. This approach is referred to as per-flow setup. By exploiting the elephant flows DSCP tagging and the packet metadata assignment according to their corresponding input ports, vApp results in a single OpenFlow rule for each switch that is connected to an optical circuit's end-point.
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