+ Performance tests that measure throughput of multiple VNF and CNF
+ service topologies at different service densities.
+
+NF Service Density Tags
+-----------------------
+
+.. topic:: CHAIN
+
+ NF service density tests with VNF or CNF service chain topology(ies).
+
+.. topic:: PIPE
+
+ NF service density tests with CNF service pipeline topology(ies).
+
+.. topic:: NF_L3FWDIP4
+
+ NF service density tests with DPDK l3fwd IPv4 routing as NF workload.
+
+.. topic:: NF_VPPIP4
+
+ NF service density tests with VPP IPv4 routing as NF workload.
+
+.. topic:: {r}R{c}C
+
+ Service density matrix locator {r}R{c}C, {r}Row denoting number of
+ service instances, {c}Column denoting number of NFs per service
+ instance. {r}=(1,2,4,6,8,10), {c}=(1,2,4,6,8,10).
+
+Forwarding Mode Tags