A company plans to develop an SDN application in-house. The application will implement complex policies that make forwarding decisions, as well as set priorities and rate limits for various types of traffic. How can OpenFlow 1.3 accommodate these actions?

  • Flows must be added to a software flow table in order to accommodate complex flows with multiple actions
  • Only the actions applied in the last table to which a packet is matched take effect, so flows in the highest numbered table must specify all desired actions
  • Packets can be matched against multiple flow tables, accumulate a different type of action from each matching flow, and execute all actions as a set
  • The application must define groups, which consist of multiple actions. Flows then specify those groups in forwarding actions
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