3-Node Topology: VM Service Switching
System Under Test 1 (SUT1)
VM[n]
VM[1]
VM[2]
DUT1
Traffic Generator (TG)
LinuxKernel
Linux-Host
User-Space
VNF[1]
…
VNF[2]
VNF[n]
NIC
…
FwdCxt[0]
FwdCxt[1]
FwdCxt[2]
FwdCxt[n]
System Under Test 2 (SUT2)
VM[n]
VM[1]
VM[2]
DUT2
LinuxKernel
Linux-Host
User-Space
VNF[1]
…
VNF[2]
VNF[n]
NIC
…
FwdCxt[0]
FwdCxt[1]
FwdCxt[2]
FwdCxt[n]