Review Article

State of the Art and Recent Research Advances in Software Defined Networking

Table 2

OpenFlow Flow Table Entries.

ParameterMatch fieldsCountersInstructions

FunctionalityMatching packet headers, ingress ports, instructions and previous table metadataUpdate respective counters based on packet matchesApply per flow actions
PurposeTraffic segregation for further processingMeasuring flow statistics, real-time traffic monitoringFlow routing, metering, queueing, QoS, and so forth