CLOUD COMPUTING. What is cloud computing ? History Virtualization Cloud Computing hardware Cloud Computing services Cloud Architecture Advantages & Disadvantages.

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What is cloud computing ?HistoryVirtualizationCloud Computing hardwareCloud Computing servicesCloud ArchitectureAdvantages & Disadvantages

Outline

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What is cloud computing ? History Virtualization Cloud Computing hardware Cloud Computing services Cloud Architecture Advantages & Disadvantages

What is cloud computing ?

“Cloud computing is a style of computing where massively scalable IT-related capabilities are provided as a service across the Internet to multiple external customers”

“Cloud computing: A pool of abstracted, highly scalable, and managed infrastructure capable of hosting end-customer applications and billed by consumption”

“Cloud computing is Web-based processing, whereby shared resources, software, and information are provided to computers and other devices (such as smart phones) on demand over the Internet.”

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• “Cloud Computing is a general term used to describe a new class of network based computing that takes place over the Internet” – Platforms :

• a collection of integrated and networked hardware, software and Internet infrastructure

– Communication and transport

– Networking services to clients

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History Virtualization Cloud Computing hardware Cloud Computing services Cloud Architecture Advantages & Disadvantages


• In addition, the platform provides on demand services, that are always on, anywhere, anytime and any place.

• Pay for use and as needed, elastic– scale up and down in capacity and functionalities

• The hardware and software services are available to– general public, enterprises, corporations and businesses markets

What is cloud computing ? 8



What is cloud computing ?What is cloud computing ?








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HistoryWhat is cloud computing ? Virtualization Cloud Computing hardware Cloud Computing services Cloud Architecture Advantages & Disadvantages

History

when John McCarthy wrote that “computation may someday be organized as a public utility.” Then, grid computing, a concept that originated in the early 1990s as an idea for making computer power as easy to access as an electric power grid also contributed to cloud computing.

The general idea behind the technology dates back to the 1960s,

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History

One of the first movers in cloud computing was Salesforce.com, which in 1999 introduced the concept of delivering enterprise applications via a simple website.

In 2002 Amazon started Amazon Web Services, providing services like storage, computation and even human intelligence.

The year 2006 also saw the introduction of Amazon’s Elastic Compute cloud (EC2) as a commercial web service that allowed small companies and individuals to rent computers on which to run their own computer applications.

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History

Then came Google Docs in 2006,

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History

But 2009 marked a key turning point in the evolution of cloud computing, with the arrival of browser based cloud enterprise applications, with the best known being Google Apps Working on Google Chrome.

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History

In 2009 , Microsoft’s enter into cloud computing with the launch of Windows Azure (cloud platform) in November.

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History

Office 365 was initially announced in the autumn of 2010, and was made available to the public on June 28, 2011 by Microsoft.

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History

Microsoft Office 2013 (also called Office 2013 and Office 15) is the upcoming version of the Microsoft Office productivity suite

Office 2013 is more "cloud-based" than previousversions. This is notable as the default save location is the user's SkyDrive.

Office 365: Microsoft enterprise software offered through the cloud.

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History

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CLOUD COMPUTING. What is cloud computing ? History Virtualization Cloud Computing hardware Cloud Computing services Cloud Architecture Advantages & Disadvantages.

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