do you want fries with that? by John Sheridan

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Slide Notes

This presentation was provided to this conference http://www.criterionconferences.com/event/aas/ on 16 Feb 16.

My theme was the need to accept that 'as a service' models, derived from cloud computing offerings, provide value for money for government as long as the need to accept standard offerings is recognized and whole of life, total cost of ownership analysis is conducted prior to deciding to adopt such models.

do you want fries with that?

Published on Feb 15, 2016

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PRESENTATION OUTLINE

do you want fries with that?

adopting as-a-service in government

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Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model is composed of five essential characteristics, three service models, and four deployment models.

As a service models are based on the NIST definition of cloud computing. http://csrc.nist.gov/publications/nistpubs/800-145/SP800-145.pdf

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Five Essential characteristics

On demand self service
Broad network access
Resource pooling
Rapid elasticity
Measured service

The NIST cloud characteristics

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three service models

Software as a service
Platform as a service
Infrastructure as a service

The NIST service models

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four deployment models

Private
Community
Public
Hybrid

The NIST deployment models. One is not necessarily better than the others - adoption depends on what suits an agency's circumstances.

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Untitled Slide

This analogy comes from Albert Barron, IBM: https://www.linkedin.com/pulse/20140730172610-9679881-pizza-as-a-service (30 Jul 2014).

It explains the gradations applicable to the various as a service models.