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QOS-ORIENTED DESIGN IN OPENFLOW
© 2010 Taylor & Francis Group, LLC
3. Resource reservation. e controller should instruct forward-
ers on the appropriate allocation of forwarder resources, such
as the egress queues for QoS and best-effort traffic flows.
Accordingly, it sends corresponding flow tables for different
traffic flows.
Automatic QoS Management on OpenFlow
In its current version, OpenFlow is not able to configure QoS param-
eters in a dynamic and on-demand manner (i.e., it does this manu-
ally). To deal with QoS problems in OpenFlow switches, a framework
that enables QoS management in an OpenFlow environment is pro-
posed by Ishimori et al. [2]. QoSFlow adds new QoS functions and
allows the management of class and queues through rules or policies. ...