Cloud computing refers to using hosted services and applications over the Internet rather than locally. Business continuity aims to maintain critical functions during disasters through daily activities. Bring Your Own Device (BYOD) allows employees to access work virtually from personal devices using cloud-based apps. Colocation involves renting data center space for hardware while providing servers and storage yourself.

1. A Cloud Glossary
Understanding the Cloud

2. Cloud is the general term for cloud computing, which refers to the
use of the Internet to access hosted services or your own appli-
cations, storage, servers, and data that are hosted in a remote
location.
Cloud

3. Business continuity is not something implemented at the time of
a disaster. It refers to those activities performed daily to maintain
service, consistency, and recoverability, and ensures that critical
business functions will be available to customers, suppliers,
regulators, and other entities.
Business Continuity

4. “BYOD” stands for “Bring your own device.” Companies are now
embracing the idea of employees using their own personal de-
vices in the workplace. With the cloud, employees can virtually
access their workplace desktop from the comfort of their own
device, using an individual app.
BYOD

5. A data center facility in which a business can rent space for serv-
ers and other computing hardware.Typically, a colo provides the
building, cooling, power, bandwidth and physical security while
the customer provides servers and storage.
Colocation

6. A data center is a centralized repository, either physical or virtu-
al, for the storage, management, and dissemination of data and
information organized around a particular body of knowledge or
pertaining to a particular business.
Data Center

7. A form of virtual desktop infrastructure (VDI) in which the VDI is
outsourced and handled by a third party. Also called hosted desk-
top services, desktop-as-a-service is frequently delivered as a
cloud service along with the apps needed for use on the virtual
desktop.
Desktop-as-a-Service

8. Disaster recovery is the process, policies, procedures and prepa-
rations implemented to protect IT technology, infrastructure and
data and ensure recovery of data and continuation of mission-crit-
ical network services vital to an organization’s business continuity
in the event of a natural or human-made disaster.
Disaster Recovery

9. Some resources of the cloud are provided and managed private-
ly and in-house, while other resources are provided through a
public cloud. For example, sensitive data can be securely stored
in a private cloud while general informational data can be stored
in a public cloud.
Hybrid Cloud

10. Computing hardware and equipment such as servers, network
equipment, and data storage that is available to organizations to
help run and support their operations. The equipment is owned
and managed by a cloud service provider.
Infrastructure-as-a-Service

11. OpEx, or operational expense, is the money a company spends
on an ongoing, day-to-day basis in order to run a business or
system.
OpEx

12. Pay-as-you-go is a billing system in which cloud services are
paid for as they are bought or as they are used, depending on
whether it is subscription-based or consumption-based.
Pay-As-You-Go

13. The application development environment that is available to or-
ganizations over the Internet. Examples include operating sys-
tems such as Windows and cloud-based environments.
Platform-as-a-Service

14. Asingle-tenantenvironmentwheretheresourcesavailablethrough
the cloud are all dedicated to one user. These resources are not
shared with other users and are available exclusively to one user.
Private Cloud

15. A multi-tenant environment where the resources and infrastruc-
ture of the cloud are owned by a vendor and shared by various
companies. Access to the cloud is offered by a vendor via the
Internet.
Public Cloud

16. Scalability is the ability of a provider or an application to instantly
and automatically provision compute capacity to meet spikes in
demand.
Scalability

17. The applications and software made available to customers over
a network, usually the Internet. Examples include Gmail and oth-
er cloud-based email services.
Software-as-a-Service

18. The process of creating a virtual version of something. Virtualiza-
tion is at the base of the technologies used in cloud computing.
It enables an individual to access his or her data anywhere and
anytime with an Internet connection.
Virtualization

19. RapidScale, Inc.
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