Assignment Week 5

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American Military University *

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BUSN320 -

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Computer Science

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Jan 9, 2024

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1 Assignment Week 5 Thomas C. DePew American Military University BUSN320: Principles of E-Business Dr. Charles Beverley 06 August 2023
2 Assignment Week 5 Discussing the BOAT framework, the architecture step consists of two elements when speaking on the structure of Service Oriented Architecture, or SOA for short. The elements discussed are aggregation and abstraction; aggregation establishes granulation, while abstraction determines concreteness. Granularity means "size of services," which is the amount of functionality each one holds. Now regarding the size of services, they should be decently sized but manageable since this would create unclear functionality from a business point of view (Grefen, 2015) . In concreteness, we are looking at the abstract levels present in the design. This would also consist of the number of attributes of components in the given architecture. Now there are three subcomponents for each of the dimensions mentioned above. The aggregation dimension now covers a multitude of levels from the market level down to the party level, then covers the system. Using Apple Maps as an example on your iPhone or MacBook Computer, you can zoom in and see rooftops of homes, businesses, streets, and the traffic on them that day when the satellite passed over top. When you zoom in on the maps, the clarity you see is contributed by the amount of aggregation, which contributes to the high level of granularity that contributes to the level of clarity received on the user end. Organizational levels are connected to our levels of aggregation as they move between inter-organization and intra- organization. Now there are levels to the aggregation aspect. Those levels are the Market Level which consists of multiple parties and aligns ultimately with inter-organization; next is the Party level, which aligns more with the single parties versus multiple parties and aligns with intra- organization. Now we come to a conclusion, which is the System Level This level "describes the structure of individual systems of an individual e-business party" (Grefen, 2015) .
3 The abstraction dimension can be broken down via standard, instance, or reference architecture. When put in the proper order, these elements start with the concrete instances and refine the focus on the more specific instance of how the architecture is utilized. This abstraction dimension focuses on the components' specific qualities aligned with the system level. Now instance architecture is one specific architecture of a particular system (Grefen, 2015) . Instance architecture brings out the organizational piece of the BOAT framework. However, this particular architecture is not designed to be used more than once (Grefen, 2015) . This architecture looks at a specific transaction in an e-business under a microscope versus the system as a whole and the capabilities that could be applied to any transaction. Now the Abstraction Dimension is the more standard architectural structure. Grefen defines it as a standard for a class of information systems within a specific organizational context (Grefen, 2015) . Reference architecture is the final piece that combines abstraction architecture; now, it is similar in standards but has a broader range. What this means is that reference architecture is a standard for a class of systems across organizations that essentially have no organizational structure that they belong to (Grefen, 2015) . These are decided by government or independent bodies, much like the NIST, also known as the National Institute of Standards and Technology. Protocols that are now enforced on the internet are a perfect example. These enforced protocols connect the online customer to the online retailer. However, the great thing about it is that it has nothing to do with the actual transaction taking place. However, it is immersed in the decision-making that is involved within the already established BOAT framework. After diving deep into the dimensions, these are classified as orthogonal defined by Grefen, meaning that these dimensions can fall on your standard graph as x and y (Grefen, 2015) .
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4 The framework has been established to see how they all coordinate together. The abstraction architecture is applied externally to e-business; aggregation stages, however, are directly tied to the business itself. Now abstraction could be developed outside of the organization's BOAT framework. Initially, It is considered indispensable for guaranteeing connectivity, as preferred to wide-ranging opportunities, down to the specific transaction being completed. Works Cited Grefen, P. (2015). Beyond E-Business Towards Networked Structures. United Kingdom: Taylor & Francis. Thakur, M. (2023, may 2). E-Commerce vs. Traditional commerce . Retrieved from EDUCBA: https://www.educba.com/e-commerce-vs-traditional-commerce/
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