Changes

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=== Hybrid Cloud ===

=== Hybrid Cloud ===

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=== Private Cloud===

=== Private Cloud===

Computing cloud resources (that can be located on the premises or hosted by a third-party CSP) are dedicated to one organization and maintained on a private network.

Computing cloud resources (that can be located on the premises or hosted by a third-party CSP) are dedicated to one organization and maintained on a private network.

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== Cloud Benefits ==

== Cloud Benefits ==

* Cost effective: IT infrastructure is costly and labor intensive, cloud offers an opportunity to offset these costs.

* Cost effectiveness: IT infrastructure is costly and labor intensive, cloud offers an opportunity to offset these costs.

* Highly flexible and scalable

* Highl flexibility and scalability

* Multiuser

* Multiuser

* High accessibility from any device anytime

* High accessibility from any device anytime

 

== Cloud Computing Service Models ==

== Cloud Computing Service Models ==

The National Institute of Standards and Technology defines 3 cloud service models:

The National Institute of Standards and Technology defines 3 cloud service models:

=== IaaS – Infrastructure as a Service ===

=== IaaS – Infrastructure as a Service ===

offer services such as pay-as-you-go storage, networking, and virtualization.

IaaS offer services such as pay-as-you-go storage, networking, and virtualization.

IaaS gives users cloud-based alternatives to on-premise infrastructure, so businesses can avoid investing in expensive on-site resources.

IaaS gives users cloud-based alternatives to on-premise infrastructure, so businesses can avoid investing in expensive on-site resources.

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=== PaaS – Platform as a Service ===

=== PaaS – Platform as a Service ===

in PaaS the vendor provides hardware and software tools over the internet, and people use these tools to develop applications.  

In PaaS the vendor provides hardware and software tools over the internet, and people use these tools to develop applications.  

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=== SaaS – Software as a Service ===

=== SaaS – Software as a Service ===

== Cloud Implementation Approach ==

== Cloud Implementation Approach ==

TBS in collaboration with other departments had developed a 4 phases approach to implementing cloud. The diagram below depicts the developed approaches.  

TBS in collaboration with other departments had developed a 4 phases approach to implementing cloud. The diagram below depicts the developed approaches.  

[[File:Bussiness context.jpg|800px|frameless|center]]

[[File:Bussiness context.jpg|800px|frameless|center]]

== Considering Business Context ==

== Considering Business Context ==

There's four factor to be considered when planning for cloud migration: Business, Information, Application and technology while. For more information read the Government of Canada Right Cloud Selection Guidance.

There's four factor to be considered when planning for cloud migration: Business, Information, Application and technology while. For more information read the Government of Canada Right Cloud Selection Guidance.