Cloud Computing

Outl ine:

What is Cloud Computing? History Why Cloud Computing? Services provided by Cloud

Computing Cloud Architecture Cloud Computing Behaviour Advantages & Disadvantages

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DEFINITION:

“Cloud” is simply a metaphor for the internet.

Users do not need knowledge, control, ownership in the computer infrastructure

Users simply rent or access the software, paying only for what they use

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HISTORY:

Concept dating back to the 1960’s by John McCarthy, a computer scientist, brought up the idea that "computation may someday be organized as a public utility”

Idea that revolutionized Cloud Computing:– Utility computing– Grid computing

“In some ways, the cloud is a natural next step from the grid-utility model,” said Frank Gens, an analyst at the research firm IDC

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SERVICES:

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How Cloud Computing Works? In a cloud computing system, there's

a significant workload shift. Local computers no longer have to do all the heavy lifting when it comes to running applications. The network of computers that make up the cloud handles them instead. Hardware and software demands on the user's side decrease. The only thing the user's computer needs to be able to run is the cloud computing system's interface software, which can be as simple as a Web browser, and the cloud's network takes care of the rest.

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Architecture:

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The success of cloud computing is largely based on the effective implementation of its architecture. In cloud computing, architecture is not just based on how the application will work with the intended users. Cloud computing requires an intricate interaction with the hardware which is very essential to ensure uptime of the application.DATA CENTRESOne of the most distinguishing characteristics of cloud computing architecture is its close dependency on the hardware components. An online application is just a simple application that could be launched in different servers but when the application is considered with cloud computing, it will require massive data centres that will ensure the processes are done as expected and timely.The data centre could be considered as the backbone of cloud computing architecture.  

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Cloud Computing Behaviour

 The behaviour of cloud computing is highly dynamic where the only the process would be possible is through proper interaction of application & hardware.

Aside from the ability to adapt to the number of users and data requests, cloud computing should have the ability to work with different form of resources. Most well known service providers do not rely their operations in one service centre alone. They would usually come with two or more server farms – infrastructure with multiple and massive servers.

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ADVANTAGES & DISADVANTAGES

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Advantages

First advantage is the ease of troubleshooting. A specific software installed in the local gadget would need to have a repair from the company’s tech group. But when the company uses cloud computing, any “bugs”, user problems or error in function could be immediately looked into by its developers. There is no need for every user to wait for their turn to have their application fixed.

There is also the monetary consideration in cloud computing. There will be eventual savings the company would experience through cloud computing. Instead of tedious work with local connections and additional infrastructure, a company would just consider a cloud computing vendor which will ensure uptime of the processes.

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Disadvantages:

The biggest disadvantage of cloud computing all is security issue. Since cloud computing uses the power of online connectivity to handle processing requests, the data could be available for everyone and could be used for malicious purposes.There is also the challenge of the end-user connectivity. Cloud computing will only be possible if there is a strong internet connection. Cloud computing might not work in areas where internet connection is weak.Infrastructure is also a challenge for cloud computing. A company who opts to have their own server would have to ensure the infrastructure will be able to deal with consistent and massive data and processing requests. 

 

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Wide Spectrum of Usage

Bit Torrent Skype LinkedIn YouTube Google Microsoft Forums Blog‐space Website Hosting FaceBook Yahoo

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ANY QUESTIONS?