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This tutorial assumes an understanding of the OpenFlowJ-Loxi API and of Floodlight module writing. |
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This tutorial was largely contributed by Josh Boley – Thanks Josh! |
Table of Contents
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What are meters?
OpenFlow 1.3 introduces meters to the OpenFlow protocol. Meters complement the queue framework already in place in OpenFlow by allowing for the rate-monitoring of traffic prior to output. More specifically, with meters, we can monitor the ingress rate of traffic as defined by a flow. Flows can direct packets to a meter using the goto-meter OpenFlow instruction, where the meter can then perform some operation based on the rate it receives packets.
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