Securing Guest Virtual Machine By Using Software And Hardware Processor
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 3
Abstract
With rapid development on cloud computing, securing guest virtual machines (VMs) from malicious user has become critical to provide secure services. Today’s cloud security model is based up on the software based virtualization with protecting of software hypervisor and its ethical administrator with root permission. Proposed system defines combined process of hardware and software based approach for protecting virtual machine even under cynical hypervisor. Hardware-assisted (H-SVM) used between hypervisor and memory by blocking direct modifications. Nested page tables (hardware) for VMs are stored in the protected memory region, which can be processed only by the H-SVM hardware. For any switch in memory allocation for a VM, the hypervisor, at the honored stage, makes a request to H-SVM to update the memory hardware for the virtual machine. If the hypervisor is compromised, it can try to allotment a physical memory page already defined to a virtual machine to the address space of the hypervisor or a malicious virtual machine.
Authors and Affiliations
Shanthi S, Sowmiya. N. D
Keywords
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