Next-Generation Optimization Models and Algorithms in Cloud and Fog Computing Virtualization Security: The Present State and Future

Virtualization is becoming popular and gaining widespread attention in recent years. However, with its popularity comes the challenge of securing virtualized environment. Security measures for systems cannot always be applied same manner as physical systems. Virtualized environments may have multiple virtual on machine, so different levels security one needed. The hypervisor controlling program that provides systems’ effective isolation security. In this article, we present a comprehensive review existing ideas architectures environment some open issues virtualization