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=== Hybrid Cloud ===
=== Hybrid Cloud ===
Public and private clouds are used with data and applications communicating between the two.
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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
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== 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.
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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.
