Cloud computing is simply a buzzword used to repackage grid computing and utility computing
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Cloud computing is simply a buzzword used to repackage grid computing and utility computing, both of which have existed for decades.” whatis.com definition of Cloud Computing.

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Cloud Computing:

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  • Cloud computing is simply a buzzword used to repackage grid computing and utility computing, both of which have existed for decades.”whatis.comdefinition of Cloud Computing


“The interesting thing about cloud computing is that we’ve redefined cloud computing to include everything that we already do. […] The computer industry is the only industry that is more fashion-driven than women’s fashion. Maybe I’m an idiot, but I have no idea what anyone is talking about. What is it? It’s complete gibberish. It’s insane. When is this idiocy going to stop?Larry Ellisonduring Oracle’s Analyst Day


Cloud Computing:

Cloud computing is a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet.

Users need not have knowledge of, expertise in, or control over the technology infrastructure in the "cloud" that supports them.[

The act of joining multiple computer together to work on a complex problem with the intent to find a solution much faster (grid).


Grid vs. Cloud


5th Generation Of Computing

1970s

1980s

1990s

Today

2009+

Client-Server

Web

SOA

Services

Monolithic


Cloud Ecosystem

Public Cloud

Virtual Private Cloud

External

Internal

Private Cloud

Private Cloud

Enterprise


Cloud Computing:


Cloud Benefits

  • Cloud = Less Investment

    (not own data center, hardware; use outside provider of servers, storage, and bandwidth)

  • Cloud = Scale

    (tens of thousands of server computers)

  • Cloud = Flexible and Efficiency


Utility Computing

Platform as a Service (PaaS)

Cloud-based User Applications


Google Cloud


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