SNIA Terms and Diagrams

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SNIA Terms

The following terms have been submitted to the SNIA Dictionary

Cloud Storage [Services] Synonym for Data storage as a Service.

DaaS [Services] Abbreviation for Data storage as a Service. Data storage as a Service [Services] Delivery over a network of appropriately configured virtual storage and related data services, based on a request for a given service level.

Typically, DaaS hides limits to scalability, is either self-provisioned or provisionless and is billed based on consumption.

IaaS [Services] Acronym for Infrastructure as a Service.

Infrastructure as a Service [Services] Delivery over a network of an appropriately configured virtual computing environment, based on a request for a given service level.

Typically, IaaS is either self-provisioned or provisionless and is billed based on consumption.

PaaS [Services] Acronym for Platform as a Service.

Platform as a Service [Services] Delivery over a network of a virtualized programming environment, consisting of an application deployment stack based on a virtual computing environment.

Typically, PaaS is based on IaaS, is either self-provisioned or provisionless and is billed based on consumption.

Private Cloud [Services] Delivery of SaaS, PaaS, IaaS and/or DaaS to a restricted set of customers, usually within a single organization.

Private Clouds are created due to issues of trust.

Public Cloud [Services] Delivery of SaaS, PaaS, IaaS and/or DaaS to a relatively unrestricted set of customers.

REST [Services] Abbreviation for Representational State Transfer. Representational State Transfer [Services] A specific set of principles for defining, addressing and interacting with resources addressable by URIs.

Architectures that follow these principles are said to be RESTful. The principles include: abstraction of state into resources and a uniform set of representations and operations (e.g. HTTP verbs like GET and PUT as the only means to manipulate a resource). RESTful interfaces are contrasted with Web Services interfaces, which tend to be RPC-like.

SaaS [Services] Acronym for Software as a Service.

Software as a Service [Services] Delivery over a network, on demand, of the use of an application.

SNIA Diagrams

Cloud Storage Reference Model

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