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System Env:

  • Server: Dual XeonE5-2670 v2 2.5GHz; 64GB DDR3; 512GB SSD
  • System clock precision is +/- 1 ms
  • 1Gbps NIC
  • JAVA_OPTS="${JAVA_OPTS:--Xms8G -Xmx8G}"

ONOS Apps:

  • drivers, metrics, openflow

ONOS Config:

  • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxEvents 1

  • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxBatchMs 0

  • cfg set org.onosproject.net.topology.impl.DefaultTopologyProvider maxIdleMs 0

Test Procedure:

  • switch event generate on ONOS1 by connecting ovs switch to it; 
  • record tshark (tcp syn-ack) and graph event timestamp to calculate differences.

 

Bar chart for Switch Up Latency - Average showing Latency(ms) by Cluster ScaleBar chart for Switch Down Latency - Average showing Latency(ms) by Cluster ScaleBar chart for Switch Up/Down Latency - Std showing Latency(ms) by Cluster Scale

 

Bar chart for Port Up Latency - Average showing Latency(ms) by Cluster ScaleBar chart for Port Down Latency - Average showing Latency(ms) by Cluster ScaleBar chart for Port Up/Down Latency - Std showing Latency(ms) by Cluster Scale
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