Virtual Network Adaptor Review

6.10. ... Cloud networks can be used for connections from a local VM to a subnet on a remote Oracle Cloud Infrastructure instance. Oracle VirtualBox

| Metric | Virtual Adapter (VMXNET3) | Physical 1GbE NIC | |----------------------|---------------------------|--------------------| | Max throughput | ~9–10 Gbps (on 10G host) | ~1 Gbps | | CPU usage (iperf3) | 10–15% per core | 1–3% per core | | Avg latency (ping) | 0.3–0.8 ms (host→VM) | 0.1–0.3 ms | virtual network adaptor

Hyper-V requires a "Virtual Switch" to bridge communication between the VM and the network. Chapter 6. Virtual Networking - Oracle VirtualBox virtual network adaptor