Section 16 : Virtualization and Cloud Computing

1. 106. Infrastructure as a Service (laaS)

1.1. A cloud service where it provides the customer with the service of renting virtual servers,

1.2. * This saves the customer a lot of costs

1.3. Amazon Web services : Best place to get started with infrastructure as the service

2. 107. Platform as a Service (PaaS)

2.1. * Platform as a Service (PaaS) : it is cozy little cuddly world where developers can create web applications

2.2. PaaS enables you to access a software development platform without the need to host it yourself

2.3. * Heroku is a great example of PaaS

3. 108. Software as a Service (SaaS)

3.1. * Software as a Service (SaaS) : Software that is deployed over the Internet and/or deployed to run behind a firewall on a local network or personal computer.

3.2. * SaaS does away with optical media

3.3. * Microsoft office 365 : The famous version of software as a service

4. 109. Cloud Ownership

4.1. Public cloud ownership like :Amazon Web services : One of the best place own cloud

4.2. * Private cloud ownership : only you access your private cloud

4.3. * Community cloud : only little community that allowed to access

4.4. * Hybrid cloud : use both public and private clouds

5. 104. Virtualization Basics

5.1. * virtualization : visualize everything that there is about computer into a virtual system

5.2. * Emulation uses software to imitate hardware

5.3. * Virtualization uses systems actual hardware

5.4. * Virtualization saves power

5.5. * Virtualization consolidates hardware

5.6. * Virtualization make system recovery easy

5.7. * Virtualization is handy for IT research

5.8. * Hypervisor manage and run the virtual machines for us

6. 105. Your First Virtual Machine

6.1. * VM ware : has products and all kinds of different powerful tools

6.2. * Microsoft = Windows hyper visors : come with windows - have some powerful tools

6.3. * Virtual box : free - comes from Oracle - simple to use

6.4. * Newly created virtual machine records an OS

6.5. * Most hypervisor enable you to read an 1OS image as though it were an optical disc

6.6. * Download it premade virtual machine are common