Tested Virtual Topologies\r
-------------------------\r
\r
-CSIT NSH_SFC functional tests are executed on virtualized topologies created\r
-using Virtual Internet Routing Lab (VIRL) simulation platform contributed by\r
+CSIT NSH_SFC functional tests are executed on virtualized topologies created using\r
+:abbr:`VIRL (Virtual Internet Routing Lab)` simulation platform contributed by\r
Cisco. VIRL runs on physical baremetal servers hosted by LF FD.io project.\r
-Majority,of the tests are executed in the three node logical test topology -\r
+Majority of the tests are executed in the three node logical test topology -\r
Traffic Generator (TG) node and two Systems Under Test (SUT) nodes connected in\r
a loop. Some tests use two node logical test topology - TG node and SUT1 node.\r
-Both logical test topologies are shown in the figures below.\r
-\r
-::\r
+Both logical test topologies are shown in the figures below.::\r
\r
+------------------------+ +------------------------+\r
| | | |\r
vhost-user interfaces, a nested VM is created on SUT1 and/or SUT2 for the\r
duration of these particular test cases only. DUT (VPP) test topology with VM\r
is shown in the figure below including the applicable packet flow thru the VM\r
-(marked in the figure with ``***``).\r
-\r
-::\r
+(marked in the figure with ``***``).::\r
\r
+------------------------+ +------------------------+\r
| +----------+ | | +----------+ |\r