Your Guide to the Cloud

It seems like just yesterday tech enthusiasts deemed cloud computing to be the next great technological advancement. Now, clouds in every shape and size ...
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Cosentry Cloud Guide

Your Guide to the Cloud SEVEN QUESTIONS. SEVEN ANSWERS. It seems like just yesterday tech enthusiasts deemed cloud computing to be the next great technological advancement. Now, clouds in every shape and size span the horizon— public, private, hybrid and so on. Is the cloud right for you? And if so, which one? You asked. We answered. And we wrote a guide to help you decide.


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Cosentry Cloud Guide


What is the difference between a private cloud and a hosted private cloud?

ANSWER: When you hear technologists talk about

However, unlike a swimming pool,

cloud computing, they will often break it down into

owning your own cloud doesn’t mean

two primary categories: public and private. The

you have to install it in your backyard.

fundamental difference between these is inherent in

Specially equipped service providers

the naming. A public cloud, like a public swimming

can host your private cloud in their data center, giving

pool, is one that is shared. A private cloud would be

you the best of both worlds: a private cloud, yet one

one that you own.

that is managed by a third party.


What is a hybrid cloud?

ANSWER: As you’ve probably surmised, just as

sensitive, application downtime could cause serious

owning your own swimming pool is more expensive

business disruptions, and therefore, most IT leaders

than buying a season pass to the public pool,

are more comfortable housing these on a private

deploying a private cloud can be more expensive than

cloud where they at least feel like they have

buying space on a public cloud. Not all applications

more control. Although, as we’ll see later, a hosted

require a

private cloud can be a good alternative to this do-it-

private cloud,

yourself approach.

and businesses

A hybrid environment allows you to split an application between a public and private cloud. However, this approach requires a service provider that not only understands both types of cloud deployment, but also the application’s architecture.

can optimize

Examples of applications that businesses typically

their IT budget

feel comfortable deploying on a public cloud include

by choosing

marketing automation, some sales force automation

the cloud

solutions, expense management and collaboration


platforms. Some data loss or downtime might be an

that is right

acceptable trade off for lower costs.

for each application.

Things get a bit trickier when it’s not clear on which cloud, public or private, the application belongs. A


prime example is email. As much as we rely on email,

that are

it isn’t quite as mission critical for many of today’s


information workers. Mobile devices, collaboration


platforms, and messaging technologies have assumed

appropriate for

some of this burden. However, if email is still a primary

a private cloud

method of communication between groups like the

include those

service department and the customer base, email

that house

uptime is vital.

vital and sensitive business data, e.g., applications for enterprise resource planning applications, financial

This is where