Cloud computing environments offer benefits to business and IT departments that aren't easily gained through the use of traditional IT infrastructures. Here are five of the most common applications for cloud computing right now.

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Cloud computing environments offer benefits to business and IT departments that aren't easily
gained through the use of traditional IT infrastructures. Here are five of the most common
applications for cloud computing right now.
5 Key Applications of Cloud Computing
1. QA/Testing: Eliminate the guesswork
A cloud environment provides on-demand virtual
servers that are highly scalable, elastic, flexible and
configurable, so the agility required in software QA
and testing makes cloud computing an ideal
solution.
• Has scalability and flexibility to replicate
even very complex production
environments.
• Test applications on all hardware and
operating system configurations and
permutations in a virtual environment.
• Simulate hundreds of thousands of users
and their usage habits to predict how your
systems will fare against traffic spikes
• Pay only for the capacity you use without
incurring large capex costs.
2. Training, Education and E-Learning:
Simulate real-world IT environments
When training staff on new software or educating
the next generation of IT professionals, cloud
computing provides massive scalability on demand.
• Create instances for everyone attending
virtual seminars and pay only for the time
you need.
• Scales up and down to mirror
classroom/curriculum demand.
• Usage-based billing keeps costs down
while keeping availability high.
• Simulate a multi-server environment for
students in a classroom setting.
• Students can do hands-on labs and exams
in a real-world environment.
3. Application Development / R&D:
Replicated environments hold costs down
Provide multiple development team members with
their own discrete environments on which to do
development and testing as they work on their
parts of the project.
• Create testing instances for each coder
while keeping costs down.
• Simulate a production environment to
easily test code on all platforms and
configurations.
• Take the unpredictability out of testing.
4. Business Continuity / Disaster
Recovery: Drop costs of mirrored servers
When a disaster occurs, the failover environment
needs to be able to immediately take the necessary
workload to keep the business running.
• Automatically spin up virtual failover
servers only when they're needed.
• Have the latest patches and software
versions without the high costs of
maintaining a mirrored physical server.
• Do replication geographically.
• Dynamically shift data and applications
around quickly and easily.
• Fewer servers are needed, so costs stay
low.
• Test disaster recovery plans more
frequently without high turn-up costs
5. Production Systems:
Capacity on demand
A production systems
environment that needs high
levels of elasticity and flexibility
can benefit from the cloud
because of the ability to quickly
scale capacity up and down
based on immediate needs.
• Cloud computing
capacity can be turned
on as needed in an
automated fashion.
• SaaS businesses can
start small and increase
capacity as their needs
grow.
• Maintain compliance
conformity by choosing
in which region your
data is stored.
In the cloud, computing power is more easily scaled up and down,
enabling businesses to ramp up their compute and server needs on an
as-needed basis without generating high additional costs.
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