Chapter 4.2 Virtualization

Host Machine

Underlying Hardware of the Virtual Machine

VM (Acronym)

Virtual Machine

VM (Design)

Logical Representation of an Entire Computing System, Abstracting the Physical Hardware into a Software based Entity

Guest Machine

The Individual VMs Using the Host’s Hardware

Hypervisor

The Software Responsible for Allocating and Partitioning Resources to VMs, enabling Communication between VM and Host

Type 1 Hypervisor (Design + Use Case)

Runs Directly on Hardware with no Host OS, Used for Production and Cloud Enviroments

Type 2 Hypervisor (Design + Use Case)

a “Hosted” Hypervisor, exists as an Application running on an existing System (Host OS), Used for Development and Testing

Network Virtualization (Use Case)

Isolate and Manage Network Traffic

Storage Virtualization (Use Case)

Pooling Physical Storage

VM System Requirments

1. CPU Compatibility (VT-X, VT-d, AMD-V)

2. Sufficient RAM

3. Sufficient Storage

4. Network Adapter

VM (Use Case)

Efficient Resource Allocation, Reduces Hardware and Energy Consumption, Safe, Revertible Sandboxing

VM Security

1. Passwords

2. Anti-viruses

3. Anti-Malware

4. Firewall Configuration

VDI (Acronym)

Virtual Desktop Infrastructure

VDI (Use Case)

A User Desktop Hosted by a central Server, ran on a Virtual Machine, Accessible from any Device