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ITE7_Chp9.pptx
1.
Chapter 9: Virtualization
and Cloud Computing Instructor Materials IT Essentials 7.0
2.
3 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Chapter 9: Virtualization and Cloud Computing IT Essentials 7.0 Planning Guide
3.
Chapter 9: Virtualization
and Cloud Computing IT Essentials 7.0
4.
13 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Chapter 9 - Sections & Objectives 9.1 Virtualization • Install a virtual machine on a computer. • Explain server virtualization. • Install virtualization software on a computer. 9.2 Cloud Computing • Compare cloud computing concepts. • Describe the uses of the cloud. • Explain characteristics of public, private, hybrid and community cloud computing.
5.
14 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 9.1 Virtualization
6.
15 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Video Explanation – What is the cloud?
7.
16 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Cloud Computing and Virtualization Virtualization enables a single computer to host multiple independent virtual computers called virtual machines (VM) that share the host computer hardware. Virtualization software separates the actual physical hardware from the VM instances. An image of a VM can be saved as a file and then be re-started when required. Cloud computing separates the applications from the hardware. Service providers such as Amazon Web Services (AWS) own and manage the cloud infrastructure. Virtualization is the foundation which supports cloud computing.
8.
17 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Traditional Server Deployment Traditionally, organizations delivered applications and services using powerful dedicated servers. These dedicated servers are equipped with large amounts of RAM, powerful CPUs, and multiple large storage devices. Disadvantages include: wasted resources, single-point of failure, and server sprawl.
9.
18 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Server Virtualization Server virtualization takes advantage of idle resources to reduce the number of servers required. A program called the hypervisor is used to manage the computer resources and various VMs. It provides VMs access to the hardware in the physical machine such as CPUs, memory, disk controllers, and NICs. Each VM runs a complete and separate operating system.
10.
19 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Advantages of Server Virtualization Better use of resources Less space required Less energy consumed Reduced cost Faster server provisioning Maximize server uptime Improved disaster recovery Support for legacy systems
11.
20 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Client-Side Virtualization Client-side virtualization enables users to run VMs on their local computer. It allows users to test new operating systems, software, or to run older software. Host computer – the physical computer controlled by a user. Host OS - the operating system of the host computer. Guest OS - the operating system that is running in the VM.
12.
21 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Type 1 and Type 2 Hypervisors Type 1 (native) hypervisor is typically used with server virtualization. For example, they are used in data centers and cloud computing. Type 1 hypervisors run directly on the hardware of a host, and manage the allocation of system resources to VMs. Type 1 hypervisors include VMware vSphere / ESXi, Xen, and Oracle VM Server.
13.
22 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Type 1 and Type 2 Hypervisors (Cont.) Type 2 (hosted) hypervisors are commonly used with client-side virtualization. Type 2 hypervisors work with the host computer to create and use multiple VMs. Type 2 hypervisors include VMware Workstation, Windows Hyper-V, and Oracle VirtualBox.
14.
23 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Virtual Machine Requirements Windows Hyper-V Minimum Requirements for Windows 10 Host OS Windows 10 Pro or Windows Server (2012 and 2016) Processor 64-bit CPU with Second Level Address Translation (SLAT) BIOS CPU support for VM Monitor Mode Extension (VT-c on Intel CPUs) Memory Minimum 4GB system RAM Hard Disk Space At least 15GB per VM Hyper-V is included in Windows 10 Pro
15.
24 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Virtual Machine Requirements (Cont.) Windows Hyper-V Minimum Requirements for Windows 8 Host OS Windows 8 Pro or Enterprise 64-bit OS Processor 64-bit CPU with Second Level Address Translation (SLAT) BIOS BIOS-level Hardware Virtualization support Memory Minimum 4GB system RAM Hard Disk Space At least 15GB per Virtual OS
16.
25 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Virtual Machine Requirements (Cont.) Windows Virtual PC Requirements in Windows 7 Processor 1 GHz 32-bit or 64-bit Processor Memory 2GB Hard Disk Space At least 15 GB per Virtual OS
17.
26 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Virtualization Lab – Install Linux in a Virtual Machine and Explore the GUI In this lab, you will install a Linux OS in a virtual machine using a desktop virtualization application, such as VirtualBox. After completing the installation, you will explore the GUI interface. Objectives: Part 1: Prepare a Computer for Virtualization Part 2: Install a Linux OS on the Virtual Machine Part 3: Explore the GUI
18.
27 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 9.2 Cloud Computing
19.
28 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Cloud Computing How We Use the Cloud Cloud computing provides users with on-demand delivery of computing services over the Internet. Cloud computing services are owned and hosted by service providers. Most of us already use cloud services when you use social media applications, access an online music library, or use online storage for save photos. Organizations typically pay cloud providers a usage fee based on user access and usage of services.
20.
29 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Cloud Computing Cloud Services Cloud service providers can provide various services tailored to meet customer requirements. • Software as a Service (SaaS) • Platform as a Service (PaaS) • Infrastructure as a Service (IaaS) Cloud service providers have extended the IaaS model to also provide IT as a service (ITaaS).
21.
30 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Cloud Computing Cloud Computing Characteristics • On-demand (self-service) • Rapid elasticity • Resource pooling • Measured and metered service • Broad network access
22.
31 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential 9.3 Chapter Summary
23.
32 © 2016 Cisco
and/or its affiliates. All rights reserved. Cisco Confidential Conclusion Chapter 9: Virtualization and Cloud Computing Explain server virtualization. Install virtualization software on a computer. Describe uses of the cloud. Explain characteristics of public, private, hybrid and community cloud computing.
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