CIS-8100 – Global Information Systems Strategy
Assignment no 2
Cloud Computing
Contents
Question no 1. 3
Definition 3
Essential Characteristics of cloud computing. 4
Potential use in an e-commerce environment 5
Question no 2. 6
Private cloud 8
Hybrid Cloud 8
Public cloud 8
Implementation of infrastructure 9
Question no 3. 12
Challenges 12
Threats 13
Question no 4. 13
List of references 15
Annotated bibliography 17
Question no 1.
Definition
If we put it in simple words “Cloud Computing” is “Internet Computing”. The internet as a whole is termed as the cloud therefore making cloud computing being the computation done through the internet. It makes more sense when one visualizes cloud computing as an autonomous and utility computing mechanism. (Pinal Dave, 2009) .The user does not have to agonize about installing the necessary hardware and software on his/her computer or network for conducting a job or operation and worry about managing and maintaining the resources. Instead it’s being provided as a service by another company and is accessed through internet. It is a concept that describes a blend of the following. (Roggio, 2009)
1. SaaS ( Software –as-a – service)
2. IaaS (Infrastructure – as – a – service)
3. PaaS (Platform –as –a – service)
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Figure 1: Source: (www.howstuffworks.com)
Essential Characteristics of cloud computing.
Services are being offered to specific consumers and small business firms which reduces their capital expenditure to a minimum. This allows lower barriers for market entrance as they only need the ability to access the internet. The key characteristics (eCommerceIndicator, 2010) of cloud computing are
• On Demand self-service
The customers are able to allocate and remover resources as they are needed.
• Broad network access
Services offered can be accessed on the network through standard mechanisms which...