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. https://cloud.report/Resources/Whitepapers/7cdf2f7c-07ec-4f98-80f9-f579448bc864_atc18-amit (1).pdf
whitepaper
THE DESIGN AND IMPLEMENTATION OF HYPERUPCALLS
The virtual machine abstraction provides a wide variety of benefits which have undeniably enabled cloud computing. Virtual machines, however, are a doubleedged sword as hypervisors they run on top of must treat them as a black box, limiting the information which the hypervisor and virtual machine may exchange, a problem known as the semantic gap. In this paper, we present the design and implementation of a new mechanism, hyperupcalls, which enables a hypervisor to safely execute verified code provided by a guest virtual machine in order to transfer information. DOWNLOAD