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Infrastructure-as-a-Service (IaaS) Delivery Model in Cloud
Published in Sunilkumar Manvi, Gopal K. Shyam, Cloud Computing, 2021
Sunilkumar Manvi, Gopal K. Shyam
Virtual Disk: A virtual disk is size-configurable, permanent, block-level storage that can be mounted to a running VM. Virtual disks are capable of random I/O. Virtual disks can only be mounted to a single VM at any time, but can be mounted to multiple machines throughout its lifetime.
Honeypots
Published in Mohssen Mohammed, Al-Sakib Khan Pathan, Automatic Defense Against Zero-day Polymorphic Worms in Communication Networks, 2016
Mohssen Mohammed, Al-Sakib Khan Pathan
VMware Workstation is a long-used and -established virtualization option. It is designed for the desktop user and is available for Linux and Windows platforms. Advantages of using VMware Workstation as a virtual honeynet are the following: Wide range of operating system support: You are able to run a variety of operating systems within the virtual environment (called GuestOSs), including Linux, Solaris, Windows, and FreeBSD honeypots.Networking options: Workstation provides two ways to handle networking. The first is Bridged, which is useful for hybrid virtual honeynet networks because it lets a honeypot use the computer’s card and appear to be any other host on the honeynet network. The second option is host-only networking; this is good for self-contained virtual honeynets because you are able to better control traffic with a firewall.VMware Workstation creates an image of each guest operating system: These images are simply a file, making them highly portable. This means that you can transfer them to other computers. To restore a honeypot to its original condition, you can just copy a backup into its place.Ability to mount VMware virtual disk images: You are able to mount a VMware image just like you would mount a drive using vmware-mount.pl.Easy to use: VMware Workstation comes with a graphical interface (both Windows and Linux) that makes installing, configuring, and running the operating systems simple.Is a commercial product: VMware Workstation comes with support, upgrades, and patches.
Performance evaluation of windows virtual machines on a Linux host
Published in Automatika, 2020
Josip Balen, Krešimir Vdovjak, Goran Martinović
Since the display resolution, as well as the number of allocated virtual and physical monitors, influence the system performance, the identical settings must be used in all tested virtual operating systems. A virtual machine uses disk drive resources by connecting a virtual disk drive to a virtual storage controller. Only one partition should be created in all experiments since the number of volumes on the disk drive and the location of system files can influence performance measurement results [15]. Furthermore, device drivers can have a huge impact on the overall system performance but in the literature there is no research study that defines model or setup for the usage or impact of the device drivers on the system performance. This is also due to a fact that there is a large number of different hardware manufacturers which are publishing newer versions of device drivers constantly. However, the newest device drivers should be used since it is expected that they provide the best performance [4].