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Virtual Global Highlights Top Ten Misconceptions about Cloud Computing
Date:2/11/2010

oud Computing” include:

1.   The cloud is just a return to centralized computing. The old days of dumb terminals connected to a centralized mainframe limited our computing power to one provider. With cloud computing, we can access the computing power of millions of providers from anywhere at any time, and for a fraction of the cost of host computing.

2.   The cloud is not secure. Truth-be-told, in-house systems are often less secure, because they use unproven home-grown security models. Cloud applications developed with cloud platforms use a common security model, which lends additional security from the ground up; and cloud providers will often pay more attention to issues such as physical security and access controls.

3.   The cloud isn’t ready for enterprise users. Enterprise software need not cost millions of dollars, or take years to implement. CIOs are increasingly demanding more affordable alternatives. Some of today’s popular cloud systems host tens of millions of users. The biggest concerns of enterprises rolling out mission-critical apps are flexibility, scalability and availability. The cloud has resolved those concerns.

4.   You lose control with the cloud. The very word “cloud” implies outsourcing to an unknown vendor; however this is a misnomer rather than reality. You can use cloud technologies internally, or outsource to a well-established vendor who has been offering reliable service for years. With the cloud, you can gain more control through a web-based control panel, while letting go of day-to-day maintenance. “The fallacy of direct control” posits that it is more efficient to retain control over those things that matter, while freeing up your time by leaving the details to a third party expert provider.

5.   It’s the same thing as utility computing or grid computing. Grid comp
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