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. Author manuscript; available in PMC: 2014 Apr 20.
Published in final edited form as: Proc USENIX Symp Oper Syst Des Implement (OSDI). 2012:61–75.

Table 1.

Ephemeral channels implemented by Lacuna and the corresponding hardware support, if any.

Device Endpoints (◁ VMM, ▷ host) of the ephemeral channel HW

Display ◁ Frame buffer GPGPU
▷ CUDA routine on GPU

Audio ◁ Sound card None
▷ Lacuna software mixer

Network ◁ Network card SR-IOV NICs
▷ NIC driver

USB input devices ◁ USB controller VT-d/IOMMU
▷ USB generic host controller driver