ICT50718 Software Development

Based on the system in use now, there is inefficiency in the business and there is need to come up with a new system that will be more effective within the organization. In developing the software either three methodologies which include ISO 9000, scrum and crystal can be used (Laskowski, 2011). Software development requires the developers to use a methodology that will assist in the completion of an efficient software development. There are factors to consider in order to decide on which methodology is to be used. The three optional methodologies in these scenario have their advantages and disadvantages which can be used to determine the best methodology (Artoftesting.com, 2018).

ISO 9000 is one of the methodologies that can be used in the redevelopment. ISO 9000 methodology is meant for software products to meet the international standards of quality management. It is necessary that the system to be developed to meet the international standards. The methodology aims at delivering quality software products to customers. The standards designed are international and the software products implemented must meet these international standards (Lafuente, Bayo-Moriones and García-Cestona, 2009). There are a number of advantages that are associated with the use of this methodology. First, the software development has a great management control. There is much documentation required before starting the redevelopment. Then the business requirements will be accessed to ensure they meet the international standards. The developers should also have a clear understanding of the company that requires the software. This methodology also brings about the enhancement of ensuring that the customers’ requirements are met which is an importanct aspect in this scenario. The third advantage is that the methodology enhances the internal communication. Various sectors in different departments in a company are involved to ensure that the entire company will interact with each other. The ISO 9000 registration tends to focus on the company priorities and promote the awareness of quality issues among all the employees. The methodology leads to the reduction of software liability risks. The software product tends to have a great quality with minimum risks if not none. A great software quality will also attract investors to a business. If the data displayed in the system to the public is true, then a company is likely to have more investors (Smallbusiness.chron.com, 2018).

The disadvantages this methodology could bring to the company is delay in the system development process, heavy emphasis on the documentation and most people don’t have the understanding of the ISO 9000 processes in the company.  The methodology is lengthy as the customer and the developer has to be familiar with ISO 9000 process. The process of checking is a system has met the international standards required may take several months. This could be quite inconvenient to the company as they need to make a redevelopment to increase the business efficiency. This methodology emphasizes on the documentation yet the key aspect should be the functionality of a software. The documentation of the internal process is required but ends up using a lot of time to do a small sector to the entire software development.

Scrum is a methodology as well as a framework that is also an option in the redevelopment of the company system. Scrum will involve creating a prioritized wish list by the company (Sachdeva, 2016). The development team will also create a wish list, the backlog and then decides how to implement all the requirements. Usually every task is allocated its amount of time. Each day the development team must access the progress to see if they meet the daily target. The team is always focused to the goal. The final product should be delivered to the company. The sprint usually ends with a retrospective. When another sprint begins the entire development team chooses a backlog and start to work again. The cycle continues until the entire project is completed. There are various advantages related to the use of scrum in system development.

First, scrum helps in saving money and time. The company does not intend to spend much money in the redevelopment. Scrum enables the business requirements to be developed successfully and clearly. This is because the team need to plan on the development of a software based on the business requirements (Simplilearn.com, 2018). Scrum is also fast moving and the software can be quickly be developed as the mistakes done rectified. Scrum also involves a simply controlled method that is frequently update and tested in order to ensure they are following the right track in the development of the system. The scrum methodology is also interactive as the developer and the company users tend to discuss on the progress of the system. This is also successful as the development team has daily meetups to check on the progress of the software development.  Also, any issues identified in the system development are discussed and addressed in the right manner. These problems are solved fast as the methodology involves team work amongst all the participants. Scrum is responsive with any technology or programming language is a fast in the implementation of new ideas. Finally, scrum is incurs cheaper overhead cost hence is a cheap methodology to use (Mousaei and Javdani, 2018).

Apart from the benefit the developers experience by using scrum, some challenges may be experienced when using this methodology. As the methodology is focus on keeping the time planned for delivering a software product, there are chances that some changes may not be made in case the team is past a certain print. In case a team member in the development team leaves the team, it could result to inconvenience. Also, if any of the team members is not committed the deployment of the software may fail to meet time target for the completion of the project.

Crystal methodology is another ethodology that can be considered in the redevelopment of the legacy system in the company. Crystal methodology mainly involves the people, interaction, skills, community and talents. The methodology has interaction and incremental development. There are a number of advantages based on the crystal clear methodology to the company. First, the methodology is based on the observations of a number of successful teams. The methodology has different perspective on things (Rusk, 2018). The crystal clear methodology explains the things that matter. It depicts the things that will lead to the success or failure of the redevelopment project. This methodology usually has fixed price contracts. The methodology also enhances the understanding of using the software to be developed in a business. There is a clear guidance on how to adopt the methodology in an organization. The crystal clear methodology perform the software development in ways that a common to the successful projects developed in the past. The crystal methodology can adjust the team size depending on the project type (Asim, 2018).

There are a number of disadvantages that would arise if the methodology will be used. First, the planning and the redevelopment process are independent on the customer requirements. The methodology may be inconvenient for the distributed teams and the project will vary depending on the size of the new system and the criticality.

Based on looking at the disadvantages and the advantages between the three methodologies which are ISO 9000, scrum and crystal, scrum seems to be the best methodology to use in the system redevelopment of the legacy system (I. and Kaur, 2016). Unlike the ISO 9000 and crystal, scrum has a well laid out plan in the system development, the targets will be well defined. Scrum is also open to make the changes required by the company to enhance the efficiency of the redeveloped system. Scrum tends to offers an interactive platform for the developers and the users of the system. This will enhance team building and the software product will eventually meet the client needs. Despite the challenges experience while using scrum methodology is best fit for both parties: the developers and the customers.

I would recommend the company to use scrum methodology, as it seems its advantages suit best the requirement of the redeveloped system. This is because it is not an expensive methodology and there is much interaction between the users of the system and the development team. This will lead to the delivery of an efficient redeveloped system.

Laskowski, J. (2011). Agile IT security implementation methodology. Birmingham: Packt Pub.

Artoftesting.com. (2018). What is Agile Methodology? Its Advantages and disadvantages.. [online] Available at: https://artoftesting.com/manualTesting/agile-methodology-advantages-and-disadvantages.html [Accessed 26 Sep. 2018].

Lafuente, E., Bayo-Moriones, A. and García-Cestona, M. (2009). ISO-9000 Certification and Ownership Structure: Effects upon Firm Performance. British Journal of Management, 21(3), pp.649-665.

Mousaei, M. and Javdani, T. (2018). A New Project Risk Management Model based on Scrum Framework and Prince2 Methodology. International Journal of Advanced Computer Science and Applications, 9(4).

Sachdeva, S. (2016). Scrum Methodology. International Journal Of Engineering And Computer Science.

I., I. and Kaur, J. (2016). Metrics of Scrum Methodology. International Journal of Computer Applications, 149(2), pp.24-27.

Simplilearn.com. (2018). Scrum Project Management Pros and Cons | CSM Training. [online] Available at: https://www.simplilearn.com/scrum-project-management-article [Accessed 26 Sep. 2018].

Asim (2018). Crystal Methodology. [online] Slideshare.net. Available at: https://www.slideshare.net/asim741/crystal-methodology-58237270 [Accessed 26 Sep. 2018].

Rusk, J. (2018). Crystal Clear Methodology – AgileKiwi. [online] Agilekiwi.com. Available at: https://www.agilekiwi.com/other/agile/crystal-clear-methodology/ [Accessed 26 Sep. 2018].

Smallbusiness.chron.com. (2018). The Advantages of Six Sigma & ISO 9000 in Small Firms. [online] Available at: https://smallbusiness.chron.com/advantages-six-sigma-iso-9000-small-firms-14196.html [Accessed 26 Sep. 2018].