SIT773 SOFTWARE REQUIREMENTS AND ANALYSIS.

Running head: SIT773 SOFTWARE REQUIREMENTS AND ANALYSIS
SIT773 SOFTWARE REQUIREMENTS AND ANALYSIS
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SIT773 SOFTWARE REQUIREMENTS AND ANALYSIS
Waterfall model
Advantages are:
 Easy and simple to use
 Phases are mainly processed and then completed one at a time
 Clearly described stages
 Simplified arranging of tasks (Alshamrani and Bahattab 2015)
 Processes and the results are not well documented
The disadvantages of this particular model are:
 There is no generation of software until late in the life cycle
 Significantly high risk and high uncertainty
 Progress measurement within the stages is not easy
 Cannot accommodate the altering requirements
 The adjustment of the scope during life cycle could lead to the end of project
Parallel development model
The main characteristics of the parallel development are:
 Release preparation
 Tailored or even customer specific software
 Post-release maintenance
 Distribution of the work by various development individuals or teams
 Segregation of the work on various features
 Deployment of various software variants within various environments
Main advantages of the parallel development model are: