Virtual Networking Performance in OpenStack Platform for Network Function Virtualization

Figure 20

Received TCP throughput for each tenant (T1, T2, T3, and T4) when T1 does not traverse the VNF chain of Figure 7(d). Comparison with the single tenant case. DPI: deep packet inspection; FW: firewall/NAT; TS: traffic shaper; VR: virtual router; DEST: destination.