Changes

738 bytes added ,  22:35, 28 January 2020
no edit summary
Line 24: Line 24:  
A traditional IT environment for hosting legacy applications that cannot be deployed to a cloud environment
 
A traditional IT environment for hosting legacy applications that cannot be deployed to a cloud environment
 
<br>
 
<br>
 +
== Cloud Benefits ==
 +
* Cost effective: IT infrastructure is costly and labor intensive, cloud offers an opportunity to offset these costs.
 +
* Highly flexible and scalable
 +
* Multiuser
 +
* High accessibility from any device anytime
   −
== Cloud Benefits ==
+
== Cloud Computing Service Models ==
 +
The National Institute of Standards and Technology defines 3 cloud service models:
 +
[[File:Iaas.jpg|800px|frameless|center]]
 
 
== Service Model ==
  −
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 gives users cloud-based alternatives to on-premise infrastructure, so businesses can avoid investing in expensive on-site resources.
 +
<br>
 
=== PaaS – Platform as a Service ===
 
=== PaaS – Platform as a Service ===
 +
Vendor provides hardware and software tools over the internet, and people use these tools to develop applications. PaaS users tend to be developers.
 +
<br>
 
=== SaaS – Software as a Service ===
 
=== SaaS – Software as a Service ===
 +
Platforms make software available to users over the internet, usually for a monthly subscription fee.
 
<br>
 
<br>
 
== GC Cloud adoption principles ==
 
== GC Cloud adoption principles ==