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Test Environment
================
Physical Testbeds
-----------------
FD.io CSIT performance tests are executed in physical testbeds hosted by
:abbr:`LF (Linux Foundation)` for FD.io project. Two physical testbed
topology types are used:
- **3-Node Topology**: Consisting of two servers acting as SUTs
(Systems Under Test) and one server as TG (Traffic Generator), all
connected in ring topology.
- **2-Node Topology**: Consisting of one server acting as SUTs and one
server as TG both connected in ring topology.
Tested SUT servers are based on a range of processors including Intel
Xeon Haswell-SP, Intel Xeon Skylake-SP, Intel Xeon Cascade Lake-SP, Arm, Intel
Atom. More detailed description is provided in
:ref:`tested_physical_topologies`. Tested logical topologies are
described in :ref:`tested_logical_topologies`.
Server Specifications
---------------------
Complete technical specifications of compute servers used in CSIT
physical testbeds are maintained in FD.io CSIT repository:
`FD.io CSIT testbeds - Xeon Cascade Lake`_,
`FD.io CSIT testbeds - Xeon Skylake, Arm, Atom`_ and
`FD.io CSIT Testbeds - Xeon Haswell`_.
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