Cloud computing models vary: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Manage your cloud computing service level via the surrounding management layer.
Infrastructure as a Service (IaaS). The IaaS layer offers storage and compute resources that developers and IT organizations can use to deliver business solutions.
Platform as a Service (PaaS). The PaaS layer offers black-box services with which developers can build applications on top of the compute infrastructure. This might include developer tools that are offered as a service to build services, or data access and database services, or billing services.
Software as a Service (SaaS). In the SaaS layer, the service provider hosts the software so you don’t need to install it, manage it, or buy hardware for it. All you have to do is connect and use it. SaaS Examples include customer relationship management as a service.
Cloud Computing Glossary
cloud computing
A networking solution in which everything — from computing power to computing infrastructure, applications, business processes to personal collaboration — is delivered as a service wherever and whenever you need.
Cloud Computing Glossary
cloud service
The delivery of software, infrastructure, or storage that has been packaged so it can be automated and delivered to customers in a consistent and repeatable manner.
Cloud Computing Glossary
deprovision
The release of cloud services that are no longer needed.
Cloud Computing Glossary
federating
Linking distributed resources together over the cloud.
Cloud Computing Glossary
hypervisor
An operating system that acts as a traffic cop, managing the various virtualization tasks in the cloud to ensure that they make things happen in an orderly manner.
Cloud Computing Glossary
multi-tenancy
The sharing of underlying resources by multiple companies over a cloud.
Cloud Computing Glossary
network attached store
Storage that has its own network address through which it is accessed by the network's workstation users. Acronym: NAS
Cloud Computing Glossary
service level agreement
A contract that stipulates the type of service you need from providers and what type of penalties would result from an unexpected business interruption. Acronym: SLA
Cloud Computing Glossary
solution stack
An integrated set of software that provides everything a developer needs to build an application.
Cloud Computing Glossary
storage area network
A storage systems that is flexible and scalable because it's available to multiple hosts at the same time. Acronym: SAN
Cloud Computing Glossary
vertical industry groups
Workgroups comprised of members from a particular industry such as technology and retail.
Cloud Computing Glossary
virtual memory
The portion of your hard drive that Windows uses to expand the available RAM
Cloud Computing Glossary
virtualization
Using computer resources to imitate other computer resources or whole computers to maximize performance and flexibility.
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