capacity to the customer. There is no hardware maintenance cost for customer as the cloud is available on demand.
Difference between Hypervisor and Host/Guest OS approach
Hypervisor Approach: In this kind of virtualization approach, hypervisor is physically mounted on hardware. In must be called virtual machine monitor i.e. VMM. You may call it OS in this type but it is actually a hypervisor which splits resources for guest OS. Guest OS have privileges and there is only VMM to manage memory partition and resource allocation. Example: Vmware ESXi
Host/Guest OS : In this kind of virtualization, there is hardware, then Host OS on top of it and then a hypervisor is installed to manage guest OS. This hypervisor is nothing but software running on host OS. Hypervisor manages partitions of memory and processors for guest OS through host OS. In this architecture, there is overhead on host OS for updates of VMM, managing multiple streams of guest OS. Example: Oracle VirtualBox.
If I would design virtualization architecture then I would prefer a hybrid model which could introduce virtues of both the above architectures. In this architecture, Hypervisor (as a part of Host OS) is on top of hardware and Host OS and Guest OS exist together. In this model Host and Guest OS have memory partitions at the same level and are managed by hypervisor like in the first approach discussed above. Host operating system will have fewer burdens.
a) The consensus is the idea of…
The problem with this type of deployment is that it becomes difficult for storage administrators to investigate effectively issues that are experienced from a datastore level making troubleshooting more complex. A LUN (logical unit number) consists of a chunk of storage given to the hypervisor and presented as a datastore in virtual center .The other problem is that you cannot utilize the datastores fully as you need to have enough capacity for virtual machine snapshots and the growth of virtual…
conventional data storage systems. CouldAlloy, a new start-up company has recently told a spokesperson that they usually spread pieces of your data onto different servers and all these various pieces of data would come together when you request that file. In this way, even if an intruder gets access into a cloud server he would only get a piece of meaningless information.
Hypervisor is also referred as VMM (Virtual Machine Monitor) because it is located between physical…
Both type is virtual machine. Type 1 is install directly on physical box. Virtual machine would have more access to hardware. Most of administrator IT would use type 1 hypervisor because of better benefit. For examples, Hyper-V server is type 1 because the operation system installs through physical host. The virtual machine still able to access direct the physical box. Type 2 show on the left of figure 1. The type 2 install on host operation system. For examples, the host operation system is…
of memory allocation selected during installation.
Multiple OS’s can be installed using the Virtualization software, which is an application installed on the host machine.
The virtualization software provide good User Interfaces to handle multiple VM’s and change configurations, if required.
This method is generally used by students to understand a new Operating System before moving to it completely.
The Operating systems are directly installed on the system’s hardware.…
had ambitions to become a company like IBM which dominates the main frame server market. VM ware was moving very fast in doing so. Except some big tech companies like google, amazon and Facebook most data centres were running on VMware technologies and VMware was at a brink of setting up a monopoly at data centre stack technologies. But then there was a small company named Nutanix which came up with a new disruptive technology for data centre storage virtualization and the name of their product…
digital signature protection for kernel mode drivers. The Blue Pill malware is like the movie, “The Matrix”. The user was unable to distinguish between what was real and what was not (Heary, 2016). They would therefore continue to use the system as if it were secure, when they were actually revealing valuable data to hackers.
A blue pill sounds like something that a doctor would prescribe for an ailment. In the world of Information Technology, it is something quite…
operating system while remaining safely isolated from it” (Pash, 2010). An example of a virtual PC in the world of macs is a software called parallels. Parallels is an icon located on the desktop of a mac, which allows a windows operating system to operate at the same time as the mac operating system.
Bare Metal Virtualization
Bare metal virtualization is a form of the cloud, but greater and stronger. It gives people more reliable access to the information that they need.
“The bare-metal cloud…
dependence and browser based risks. It also have some specific issues associated with it.The following issues are:
1) Compatibility with legacy security vulnerabilities
Because IaaS offers the consumer to run legacy software in provider's infrastructure, therefore it exposes consumers to all of the security vulnerabilities of such legacy software.
2) Virtual machine sprawl
The VM can become out of date with respect to security updates because IaaS allows the consumer to operate the virtual…
it would be light weight, portable and compatible with many applications  .
This operating system would be highly distributed and concurrent. Midori will be designed with an Asynchronous-only architecture that is built for task; concurrency, parallel use of local and distributed resources. Through these features system is able to manage various hardware and software resources over the net. The business world will be impacted by Midori due its virtualization feature.
Microsoft will use…