Modulo6 - Cloud Computing

Cloud Computing

Ftorres

Arquitectura de Software

Mg. Fernando Torres Snchez

Challenges and Needs

Arquitectura de Software 2011 Ftorres2

The next chapter


Evolution of cloud computing


Innovations are enabling services-based solutions to provide faster time to value, better integration and smarter deployment


Cloud Computing

Consumption & Delivery Models Optimized by Workload


Effective adoption of Cloud Computing begins with standardization


Cloud Computing An effective Cloud Computing deployment is built on a dynamic application

infrastructure and is highly optimized to achieve more with less.


Virtualization - Overview

Definition

Hardware virtualization is a virtualization of computers or operating systems. It hides the physical characteristics of a computing platform from users, instead showing another abstract computing platform. The software that controls the virtualization used to be called a "control program" at its origins, but nowadays the term hypervisor or virtual machine monitor are preferred

Reasons for virtualization

Arquitectura de Software 2011 Ftorres

Reasons for virtualization In case of server consolidation, many small physical servers are replaced by one larger physical server,

to increase the utilization of costly hardware resources such as CPU. The large server can "host" many such "guest" virtual machines. This is known as Physical-to-Virtual

(P2V) transformation. A virtual machine can be more easily controlled and inspected from outside than a physical one, and its

configuration is more flexible. This is very useful in kernel development and for teaching operating system courses.

A new virtual machine can be provisioned as needed without the need for an up-front hardware purchase. Also, a virtual machine can easily be relocated from one physical machine to another as needed.

Because of the easy relocation, virtual machines can be used in disaster recovery scenarios..

VirtualizationExamples

Examples of virtualization scenarios:

1. Running one or more applications that are not supported by the host OS

A virtual machine running the required guest OS could allow the desired applications to be run, without altering the host OS.

2. Evaluating an alternate operating system The new OS could be run within a VM, without altering

the host OS.

Arquitectura de Software 2011 Ftorres

the host OS. 3. Server virtualization

Multiple virtual servers could be run on a single physical server, in order to more fully utilize the hardware resources of the physical server.

4. Duplicating specific environments A virtual machine could, depending on the virtualization

software used, be duplicated and installed on multiple hosts.

5. Creating a protected environment If a the guest OS running on a VM becomes infected

with malware, the host operating system's exposure to the risk may be limited, depending on the configuration of the virtualization software

Virtualization


There is a spectrum of deployment options for cloud computing


Cloud adoption will take place by workload areas.Together we identified potential workload areas


Cloud Benefits for the End-Users - example

Provisioning Resources


Cloud computing Cloud Computing can provide dramatic, measurable business value


Application Configuration & Provisioning Characteristics


WebSphere in Clouds


Security is built into the IBM Cloud


Simplified management and enhanced utilization of large, dynamic installations


Pattern-Based Deployment of Middleware Services in the Cloud


Bringing the Cloud Experience to Reality


What does it all Mean ?


Modulo6 - Cloud Computing

Documents

physical machine

new virtual machine

virtual machine monitor

guest virtual machines

single physical server

larger physical server

ftorresthe host os

virtualization of computers