Monitoring Jitter in Software Defined Networks
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End-to-end jitter of a flow is an important metric that indicates the Quality of Service a user is experiencing, particularly for real-time applications such as video streaming, cloud gaming, and so on. Monitoring the jitter can help controllers make routing decisions for certain flows. This paper discusses methods in which we can estimate/follow important patterns in the end-to-end jitter of a flow. Two main approaches are taken, one using a Software Defined Network controller and the other using P4 programmable data-planes. Results from the simulations of each method are discussed.
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