Hi,
We trying to implement QoS feature on OpenFlow switch. Currently we are
using a OpenFlow switch from BBN site and a Nox controller for creating the
flow entries. Do we need to configure the queues on the switch for priority
queuing wondering whether it need to be set using rspec or directly on
OpenFlow switch ?
In our experiment, we have modified the pyswitch.py script in such way it
can read ipv4 packet. Whenever an IPv4 packet goes for a lookup in the
controller, we are trying to match the tos (type of service) depending on
the values setting the queue priority.
For example if tos == "0x20" (CS1)
set queueid =1
Similarly in actions, we are setting the openflow.OPPAT_ENQUEUE and setting
the queue id.
actions = [[openflow.OFPAT_ENQUEUE,[prt[0],queueid]]]
As per the conservation with GPO team, they said qos needs to configured on
the switch directly by admins to support the enqueue functionality.
Has anybody tried implementing QoS feature using OpenFlow switch. We need
help in understanding the feature and how we can implemented it using
OpenFlow.
Thanks,
Anand
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