Vm
what is the meaning of VM
Virtual machine
Server on hardware
Bare-Metal
Internal, Host-only, Bridged, No
no
Benefits of virtual over physical
Virtual devices can be easily added and configured for free rather than purchasing expensive physical devices to do the same thing
allows multiple OS to be run on one physical format
virtualzation
RAM, CPU, and hard drive space to power these virtual devices.
physical host computer
service types
SAAS
PAAS
IAAS
Untrusted/experimental software filtered out
Sandboxing
what is VMM
Virtual Machine Monitor
sits between the hardware and the VMs. Examples include VMware ESXi, Microsoft Hyper-V, software KVM (Kernel-based Virtual machine)
Hypervisor,
Common types of VM network connections
Internal, Host-only, Bridged, No
Installed on hardware
Type 1 Hypervisor
Save state of VM
VM snapshot
Creates simulated version of a PC
Hardware Virtualization
VMs only communicate with each other unless told otherwise
Internal Network
Type 2 Hypervisor
Installed on top of OS
Common types of VM network connections
Internal, Host-only, Bridged, No
is software that does the same Layer 2 switching a hardware switch does, including features like VLANs.
A virtual switch (vSwitch)
key characteristic of cloud computing
shared resources, rapid elasticity, meter utilization, high availability, file synchronization
Separation of form from function
Abstraction