Cloud Computing Models

There are many considerations for cloud computing architects to make when moving from a standard enterprise application deployment model to one based on cloud computing. There are three basic cloud computing models to consider, and they differed as the open APIs versus the proprietary ones. These are public, private and hybrid cloud and IT organization can choose to deploy applications according to their requirements.

IT organizations can choose to deploy applications on public, private, or hybrid clouds, each of which has its trade-offs. The terms public, private, and hybrid do not dictate location. While public clouds are typically “out there” on the Internet and private clouds are typically located on premises, a private cloud might be hosted at a collocation facility as well.… Read the rest

Architecture and Key Characteristics of Cloud Computing

Cloud Computing Architecture

Cloud computing architecture, the systems architecture of the software systems involved in the delivery of cloud computing, typically involves multiple cloud components communicating with each other over application programming interfaces, usually web services and 3-tier architecture. This resembles the Unix philosophy of having multiple programs each doing one thing well and working together over universal interfaces. Complexity is controlled and the resulting systems are more manageable than their monolithic counterparts.

The two most significant components of cloud computing architecture are known as the front end and the back end. The front end is the part seen by the client, i.e.… Read the rest

Introduction to Cloud Computing

As a metaphor for the Internet, “the cloud” is a familiar cliche, but when combined with “computing,” the meaning gets bigger and fuzzier. Some analysts and vendors define cloud computing narrowly as an updated version of utility computing: basically virtual servers available over the Internet. On the other hand others go very broad, arguing anything you consume outside the firewall is “in the cloud,” including conventional outsourcing.

The most common analogy to explain cloud computing is that of public utilities such as electricity, gas, and water. Just as centralized and standardized utilities free individuals from the vagaries of generating their own electricity or pumping their own water, cloud computing frees the user from having to deal with the physical, hardware aspects of a computer or the more mundane software maintenance tasks of possessing a physical computer in their home or office.… Read the rest

Case Study: Nestle’s Growth Strategy

Nestle is one of the oldest of all multinational businesses. The company was founded in Switzerland in 1866 by Heinrich Nestle, who established Nestle to distribute “milk food,” a type of infant food he had invented that was made from powdered milk, baked food, and sugar. From its very early days, the company looked to other countries for growth opportunities, establishing its first foreign offices in London in 1868. In 1905, the company merged with the Anglo-Swiss Condensed Milk, thereby broadening the company’s product line to include both condensed milk and infant formulas. Forced by Switzer ­land’s small size to look outside’ its borders for growth opportunities, Nestle established condensed milk and infant food processing plants in the United States and Britain in the late 19th century and in Australia, South America, Africa, and Asia in the first three decades of the 20th century.… Read the rest

Case Study on Entrepreneurship: Richard Branson

This is a story that begins on July 18, 1950 in Shamley Green, Surrey, England. Growing up in a traditional family, Sir Richard Charles Nicholas Branson struggled throughout school due to an as of yet undiagnosed problem of dyslexia. He excelled in sports, serving as the captain of both his school’s football and cricket teams, but it was in business that he found his true calling. Despite failing in two early ventures — growing Christmas trees and raising Australian parrots — he was determined to create his own successful business.

When he was 16 years old, he dropped out of school to move to London and launch Student Magazine, which did see relatively more success.… Read the rest

Case Study: Starbucks Growth Strategy

In 1971, three academics, English Teacher Jerry Baldwin, History Teacher Zel Siegel and writer Gordon Bowker opened Starbucks Coffee, Tea and Spice in Touristy Pikes Place Market in Seattle. The three were inspired by entrepreneur Alfred Peet (whom they knew personally) to sell high-quality coffee beans and equipment. The store did not offer fresh brewed coffee by the cup, but tasting samples were sometimes available. Siegel will wore a grocers apron, scooped out beans for customers while the other two kept their day jobs but came by at lunch or after work to help out. The store was an immediate success, with sales exceeding expectations, partly because of interest stirred by the favorable article in Seattle Times.… Read the rest

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