-Virtual Internet Routing Lab (VIRL) simulation platform contributed by Cisco.\r
-VIRL runs on physical baremetal servers hosted by LF FD.io project. Majority\r
-of the tests are executed in the three node logical test topology - Traffic\r
-Generator (TG) node and two Systems Under Test (SUT) nodes connected in a\r
-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
+: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
+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