How Cloud Computing Works

Let's say you're an executive at a large corporation. Your particular responsibilities include making sure that all of your employees have the right hardware and software they need to do their jobs. Buying computers for everyone isn't enough -- you also have to purchase software or software licenses to give employees the tools they require. Whenever you have a new hire, you have to buy more software or make sure your current software license allows another user. It's so stressful that you find it difficult to go to sleep on your huge pile of money every night.

 A typical cloud computing system­

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What Cloud Computing Lets You . . .

- Tap into supercomputing power from large
groups of networked servers via the Web.

- Pay for space and storage on an as-needed basis.

- Build and host applications in a secure
environment.

- Stop relying on desktop PCs for networking and
complex data processing and analysis.

- Increase network availability and security while
reducing total cost of ownership.

- Reduce barriers to exit and interoperability with
open source software, open standard and open
systems.


Plus, an Open Service Oriented Architecture (SOA) interface allows the exposure of loosely coupled services, making accessing and integrating with the cloud a seamless operation as an extension of your applications and IT infrastructure.

What cloud computing really means . . .

Cloud computing is all the rage. "It's become the phrase du jour," says Gartner senior analyst Ben Pring, echoing many of his peers. The problem is that (as with Web 2.0) everyone seems to have a different definition.

As a metaphor for the Internet, "the cloud" is a familiar cliché, 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. Others go very broad, arguing anything you consume outside the firewall is "in the cloud," including conventional outsourcing.

Cloud computing comes into focus only when you think about what IT always needs: a way to increase capacity or add capabilities on the fly without investing in new infrastructure, training new personnel, or licensing new software. Cloud computing encompasses any subscription-based or pay-per-use service that, in real time over the Internet, extends IT's existing capabilities.

Cloud computing is at an early stage, with a motley crew of providers large and small delivering a slew of cloud-based services, from full-blown applications to storage services to spam filtering. Yes, utility-style infrastructure providers are part of the mix, but so are SaaS (software as a service) providers such as Salesforce.com. Today, for the most part, IT must plug into cloud-based services individually, but cloud computing aggregators and integrators are already emerging.

WheneveR talked to dozens of vendors, analysts, and IT customers to tease out the various components of cloud computing. Based on those discussions, here's a rough breakdown of what cloud computing is all about: ...

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A weblog for IT...

Hi everybody...
I started this weblog in order of publishing new posts about Information Technology and more specified about Cloud Computing .
Also I will try to mention new Technologies,product or gadgets and etc .
But as I said the goal is IT and Cloud Computing ...
I hope YOU will join and help me to improve the work by your useful comments.

Thanks a lot.