Download - Modulo6 - Cloud Computing
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Cloud Computing
Ftorres
Arquitectura de Software
Mg. Fernando Torres Snchez
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Challenges and Needs
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The next chapter
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Evolution of cloud computing
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Innovations are enabling services-based solutions to provide faster time to value, better integration and smarter deployment
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Cloud Computing
Consumption & Delivery Models Optimized by Workload
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Effective adoption of Cloud Computing begins with standardization
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Cloud Computing An effective Cloud Computing deployment is built on a dynamic application
infrastructure and is highly optimized to achieve more with less.
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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..
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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
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Virtualization
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There is a spectrum of deployment options for cloud computing
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Cloud adoption will take place by workload areas.Together we identified potential workload areas
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Cloud Benefits for the End-Users - example
Provisioning Resources
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Cloud computing Cloud Computing can provide dramatic, measurable business value
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Application Configuration & Provisioning Characteristics
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WebSphere in Clouds
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Security is built into the IBM Cloud
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Simplified management and enhanced utilization of large, dynamic installations
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Pattern-Based Deployment of Middleware Services in the Cloud
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Bringing the Cloud Experience to Reality
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What does it all Mean ?
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