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2/22/2011Software Architecture Lecture 5 Quality Attributes Jew Pedro Sousa George Mason Universitypreviouslyarchitectural styles data flowdataoriented repositorycallreturndatasharinginteracting processeshierarchicalbatch

How to fill out quality attributes

How to fill out quality attributes:

1. Identify the purpose: Start by understanding the purpose of the project or system for which you are defining quality attributes. This will help you determine what aspects need to be considered for ensuring quality.
2. Gather requirements: Collect all the requirements that stakeholders have specified and analyze them. Look for specific qualities or characteristics that they expect the system to possess, such as performance, security, reliability, usability, etc.
3. Prioritize attributes: Evaluate the requirements and prioritize the quality attributes based on their importance and impact on the project. Consider factors like project goals, user needs, technical feasibility, and business objectives while establishing the order of importance.
4. Define measurable criteria: For each quality attribute, establish measurable criteria that will serve as benchmarks for evaluating the system's performance. These criteria should be specific, quantifiable, and relevant to the attribute being assessed.
5. Document attribute descriptions: Provide clear and concise descriptions for each quality attribute, stating what it entails and why it is essential for the project. This will help stakeholders understand the purpose and significance of each attribute.
6. Determine trade-offs: In some cases, achieving certain quality attributes may conflict with others due to resource constraints or technical limitations. Analyze and determine any trade-offs required, and communicate these to stakeholders to ensure alignment and manage expectations.
7. Validate with stakeholders: Share the defined quality attributes with relevant stakeholders and seek their feedback. Incorporate their inputs, make any necessary adjustments, and ensure that everyone involved agrees on the final set of attributes.

Who needs quality attributes?

1. Project managers: Quality attributes serve as a crucial tool for project managers to ensure that the system or product being developed meets the desired quality standards. They help in setting objectives, managing resources, and making informed decisions throughout the project lifecycle.
2. Development team: Quality attributes guide the development team in understanding what aspects they need to focus on while designing and implementing the system. They provide a clear direction for development activities and help align the team's efforts towards meeting the defined quality goals.
3. Business stakeholders: Quality attributes are essential for business stakeholders as they define the desired functionality and characteristics of the system. They help stakeholders understand what benefits they can expect from the system and make informed decisions based on its quality attributes.
4. End-users: Quality attributes directly impact the end-users' experience with the system or product. By defining and prioritizing these attributes, the development team can ensure that the system meets the users' expectations in terms of performance, usability, reliability, and other relevant qualities.
5. Quality assurance team: Quality attributes provide a framework for the quality assurance team to design test cases and strategies. They assist in evaluating the system's compliance with the defined attributes and identifying any areas that need improvement or further testing.

In conclusion, quality attributes are necessary to ensure that a project or system meets the desired quality standards. Following a step-by-step process to define and prioritize these attributes is crucial, benefiting various stakeholders involved in the project.

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What is quality attributes?

Quality attributes are the characteristics or properties of a product or service that define its quality.

Who is required to file quality attributes?

Quality attributes are typically filed by product or service developers, manufacturers, or providers.

How to fill out quality attributes?

Quality attributes can be filled out by providing detailed information about the specific characteristics and properties of the product or service.

What is the purpose of quality attributes?

The purpose of quality attributes is to ensure that products or services meet certain standards of quality and performance.

What information must be reported on quality attributes?

Information such as specifications, measurements, performance metrics, and standards must be reported on quality attributes.