What is Hypervisor in Cloud Computing and its types? The hypervisor is a virtual machine monitor (VMM) that manages resources for virtual machines. The name hypervisor is suggested as it is a supervisory tool for the virtual machines. There are mainly two types of hypervisors : • Type-1: the guest Vm runs directly over the host hardware, e.g Xen, Hyper-V, VmWare ESXi • Type-2: the guest Vm runs over hardware through a host OS, e.g Kvm, Oracle virtualbox Are Type-1 Hypervisors better in performance than Type-2 Hypervisors and Why? Yes the Type-1 Hypervisors are better in performance as compared to Type-2 hypervisors because Type-1 hypervisors does not run through a host OS, they utilize all resources directly from Host hardware. In cloud implementation Type-1 hypervisors are used rather than Type-2 because Cloud servers need to run multiple OS images and it should be noted that if OS images are run on host a OS as in case of Type-2, the resources will get wasted. What are
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