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IPv4 Overlay Tunnels
====================
This section includes summary graphs of VPP Phy-to-Phy packet latency
with IPv4 Overlay Tunnels measured at 50% of discovered NDR throughput
rate. Latency is reported for VPP running in multiple configurations of
VPP worker thread(s), a.k.a. VPP data plane thread(s), and their
physical CPU core(s) placement.
VPP packet latency in 1t1c setup (1thread, 1core) is presented in the graph below.
.. raw:: html
<iframe width="700" height="1000" frameborder="0" scrolling="no" src="../../_static/vpp/64B-1t1c-ethip4-ndrdisc-lat50.html"></iframe>
*Figure 1. VPP 1thread 1core - packet latency for Phy-to-Phy IPv4 Overlay Tunnels.*
CSIT source code for the test cases used for above plots can be found in CSIT
git repository:
.. code-block:: bash
$ cd $CSIT/tests/perf
$ grep -E "64B-1t1c-ethip4[a-z0-9]+-[a-z0-9]*-ndrdisc" *
10ge2p1x520-ethip4lispip4-ip4base-ndrdisc.robot:| tc01-64B-1t1c-ethip4lispip4-ip4base-ndrdisc
10ge2p1x520-ethip4lispip6-ip4base-ndrdisc.robot:| tc01-64B-1t1c-ethip4lispip6-ip4base-ndrdisc
10ge2p1x520-ethip4vxlan-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-ethip4vxlan-l2bdbasemaclrn-ndrdisc
10ge2p1x520-ethip4vxlan-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-ethip4vxlan-l2xcbase-ndrdisc
VPP packet latency in 2t2c setup (2thread, 2core) is presented in the graph below.
.. raw:: html
<iframe width="700" height="1000" frameborder="0" scrolling="no" src="../../_static/vpp/64B-2t2c-ethip4-ndrdisc-lat50.html"></iframe>
*Figure 2. VPP 2threads 2cores - packet latency for Phy-to-Phy IPv4 Overlay Tunnels.*
CSIT source code for the test cases used for above plots can be found in CSIT
git repository:
.. code-block:: bash
$ cd $CSIT/tests/perf
$ grep -E "64B-2t2c-ethip4[a-z0-9]+-[a-z0-9]*-ndrdisc" *
10ge2p1x520-ethip4lispip4-ip4base-ndrdisc.robot:| tc07-64B-2t2c-ethip4lispip4-ip4base-ndrdisc
10ge2p1x520-ethip4lispip6-ip4base-ndrdisc.robot:| tc07-64B-2t2c-ethip4lispip6-ip4base-ndrdisc
10ge2p1x520-ethip4vxlan-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-ethip4vxlan-l2bdbasemaclrn-ndrdisc
10ge2p1x520-ethip4vxlan-l2xcbase-ndrdisc.robot:| tc07-64B-2t2c-ethip4vxlan-l2xcbase-ndrdisc
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