QoS operation with intents

The QoS attribute mapping currently supports DiffServ. It uses a 6-bit differentiated services code point (DSCP) in the 8-bit differentiated services field (DS field) in the IP header.

Getting ready

The following steps explain the QoS attribute mapping function:

• Initially configure the QoS profile, which contains the profile name and DSCP value
• When a packet is transferred from a source to destination, the flow builder evaluates whether the transferred packet matches the condition such as actions and endpoints in the flow
• If the packet matches the endpoints, the flow builder applies the flow matching action and DSCP value

Start Mininet, and create three switches (s1, s2, and s3) and four hosts...