Design principles & quality factorsAalia Barbe
The document discusses McCall's quality factors model for classifying software quality requirements. It describes the three categories in McCall's model - product operation factors, product revision factors, and product transition factors. Under each category, it lists and describes the specific quality factors, including correctness, reliability, efficiency, integrity, usability, maintainability, flexibility, testability, portability, reusability, and interoperability. It also discusses some alternative models that other researchers have proposed and eight design principles for structuring high-quality software designs.
This document discusses software quality factors and McCall's model of quality factors. It describes McCall's model which categorizes quality factors into three categories: product operation factors related to how well the software runs, product revision factors related to how easily the software can be changed and tested, and product transition factors related to moving the software to different environments. Under each category it provides examples of specific quality factors like correctness, reliability, maintainability, and portability. It also mentions some alternative models that suggest additional quality factors.
This document discusses software quality factors and different models for categorizing them. It summarizes McCall's quality factors model, which groups factors into three categories: product operation, product revision, and product transition. Under each category it lists the specific factors, like correctness, reliability, and maintainability, and provides examples. It also discusses some alternative models that suggest additional quality factors like verifiability, expandability, safety, and manageability. The document emphasizes that both developers and clients should care about software quality factors and they may prioritize different factors for different types of applications.
comparative study software quality models Auwal Amshi
The ppt is base on a paper: comparative study software quality models. know different types of software quality and their characteristics. The goal of the study is to provide a reference to software developers when they are measuring the quality of their software.
The document discusses various software quality factors that should be considered when developing software. It identifies the need for comprehensive requirements documents to ensure user needs are fully met. It then describes several quality factors models proposed by researchers and groups the factors into categories like product operation, revision, and transition factors. Key factors discussed in detail include correctness, reliability, efficiency, integrity, usability, maintainability, flexibility, testability, portability, reusability and interoperability.
This document discusses software quality factors and McCall's quality factor model. It describes McCall's three main quality factor categories: product operation factors, product revision factors, and product transition factors. Under product operation factors, it outlines reliability, correctness, integrity, efficiency, and usability requirements. It then discusses product revision factors of maintainability, flexibility, and testability. Finally, it covers product transition factors including portability, reusability, and interoperability. The document provides details on the specific requirements for each quality factor.
Design principles & quality factorsAalia Barbe
The document discusses McCall's quality factors model for classifying software quality requirements. It describes the three categories in McCall's model - product operation factors, product revision factors, and product transition factors. Under each category, it lists and describes the specific quality factors, including correctness, reliability, efficiency, integrity, usability, maintainability, flexibility, testability, portability, reusability, and interoperability. It also discusses some alternative models that other researchers have proposed and eight design principles for structuring high-quality software designs.
This document discusses software quality factors and McCall's model of quality factors. It describes McCall's model which categorizes quality factors into three categories: product operation factors related to how well the software runs, product revision factors related to how easily the software can be changed and tested, and product transition factors related to moving the software to different environments. Under each category it provides examples of specific quality factors like correctness, reliability, maintainability, and portability. It also mentions some alternative models that suggest additional quality factors.
This document discusses software quality factors and different models for categorizing them. It summarizes McCall's quality factors model, which groups factors into three categories: product operation, product revision, and product transition. Under each category it lists the specific factors, like correctness, reliability, and maintainability, and provides examples. It also discusses some alternative models that suggest additional quality factors like verifiability, expandability, safety, and manageability. The document emphasizes that both developers and clients should care about software quality factors and they may prioritize different factors for different types of applications.
comparative study software quality models Auwal Amshi
The ppt is base on a paper: comparative study software quality models. know different types of software quality and their characteristics. The goal of the study is to provide a reference to software developers when they are measuring the quality of their software.
The document discusses various software quality factors that should be considered when developing software. It identifies the need for comprehensive requirements documents to ensure user needs are fully met. It then describes several quality factors models proposed by researchers and groups the factors into categories like product operation, revision, and transition factors. Key factors discussed in detail include correctness, reliability, efficiency, integrity, usability, maintainability, flexibility, testability, portability, reusability and interoperability.
This document discusses software quality factors and McCall's quality factor model. It describes McCall's three main quality factor categories: product operation factors, product revision factors, and product transition factors. Under product operation factors, it outlines reliability, correctness, integrity, efficiency, and usability requirements. It then discusses product revision factors of maintainability, flexibility, and testability. Finally, it covers product transition factors including portability, reusability, and interoperability. The document provides details on the specific requirements for each quality factor.
Do You want to increase your software quality ?
Are you facing problems during the improve the quality of software within organization then you are at right place
Quality, simplistically, means that a product should meet its specification.
•This is problematical for software systems
–There is a tension between customer quality requirements (efficiency, reliability, etc.) and developer quality requirements (maintainability, reusability, etc.);
–Some quality requirements are difficult to specify in an unambiguous way;
–Software specifications are usually incomplete and often inconsistent.
Published By
https://www.umairghufran.com
https://www.rankgrain.com
This document discusses software quality and its attributes. It defines software quality as conformance to functional and performance requirements, development standards, and implicit expectations. Problems in ensuring quality include incomplete specifications and tensions between different stakeholder needs. Quality is described using a hierarchical model, with attributes including reliability, efficiency, usability, maintainability, and portability. Internal attributes like correctness, verifiability and understandability contribute to external attributes like reliability, usability and maintainability. Productivity, timeliness and visibility are described as important process quality attributes.
This document outlines evaluation criteria for assessing the quality of software. It discusses competencies such as suitability, maintainability, usability, and dependability. Suitability refers to the main features and core functions of software for a specific application or industry. Maintainability involves the modularity, portability, interoperability, and testability of software code. Usability pertains to documentation of software operation, installation procedures, testing methods, and the intuitiveness of learning how to use the software. Dependability relates to the reliability, scale, and security of software operations. Testing is important for both dependability and suitability in verifying functionality and integration.
The document discusses software quality management and outlines five units: introduction to software quality; software quality assurance; quality control and reliability; quality management systems; and quality standards. It defines quality, discusses hierarchical models of quality including those proposed by Boehm and McCall, and explains techniques for improving software quality like metrics, reviews, and standards.
Software quality requirements and evaluationEric Lai
This document provides an overview of software quality requirements and evaluation based on international standards. It discusses the organization of the SQuaRE series, which defines quality models for product quality, quality in use, and data quality. Models include characteristics like functionality, reliability, usability, efficiency, and more. The document also provides agendas and descriptions of the different quality models.
This document discusses software engineering and software quality assurance. It begins by defining software and describing a case study on the Therac-25 radiation therapy machine which suffered from a software failure disaster. It then covers classification of causes of software errors, definitions of software quality from IEEE and Pressman, and objectives of SQA activities. Key causes of errors listed include faulty requirements, client-developer communication failures, deliberate deviations from requirements, logical design errors, coding errors, non-compliance with documentation, shortcomings in testing, procedure errors, and documentation errors. The document also discusses definitions of quality assurance and quality control and the goals of SQA in software development and maintenance.
The document summarizes a research paper that customizes the ISO 9126 quality model for evaluating B2B applications. It does the following:
1) Extracts quality factors specific to web applications and B2B electronic commerce from literature and weights them from developer and user perspectives.
2) Adds these weighted quality factors to the ISO 9126 model to create a customized model for evaluating B2B applications.
3) Applies the proposed customized model to a case study of a B2B portal to demonstrate how it can be used to evaluate a system and calculate an overall quality score.
What is Software Quality and how to measure it?Denys Zaiats
Software quality refers to the desirable attributes of software such as correctness, reliability, efficiency, integrity, usability, maintainability, testability, flexibility, portability, and interoperability. These attributes can be measured on a scale of 1 to 10 using methods like Scrum Poker. Teams should measure their software quality every 2 sprints in order to continuously improve processes, products, and development quality. Automating tests, keeping documentation up-to-date, and using efficient tools can help improve software quality over time.
This document discusses hierarchical models of software quality, including the McCall and Boehm models. The McCall model addresses three areas of software quality: product operation, product revision, and product transition. Product operation focuses on usability, integrity, efficiency, and correctness. Product revision examines testability and maintainability. Product transition considers portability, reusability, and interoperability. The Boehm model defines three levels of quality attributes: primary uses, intermediate constructs, and primitive constructs. Primary uses include as-is utility and maintainability. Intermediate constructs are flexibility, reliability, portability, efficiency, testability, understandability, and usability. Primitive constructs result in measurable properties.
Software quality program and establishiment coceptsGuruKrishnaTeja
This document outlines the key concepts and objectives of a Software Quality Program (SQP). The SQP establishes quality requirements, defines development and maintenance processes, and uses metrics to measure productivity, quality, and documentation. It plans evaluations of software and development processes. Responsibility for the SQP is assigned and its procedures, tools, and records are documented. The SQP scope identifies deliverables and ensures the desired quality is achieved. It defines referenced documents, procedures, tools, records, and establishes tasks like data collection and quality planning to develop high quality software.
The document discusses software configuration management. It describes version 1.0 and 1.1 of a software engineering document released on February 2, 2012 and June 2, 2012 respectively by author Kittitouch S. Version 1.1 added details on software configuration versions, tools for managing configuration, and a software configuration management plan. The document then discusses software configuration, management, and control as well as accurate versioning. It describes configuration items, versions, and numerating conventions. The summary provides an overview of the key topics and changes covered in the document.
The document discusses software quality and achieving high quality software. It notes that software companies often deliver software with known bugs and that low quality software increases risks for developers and users. It also discusses the costs of quality and how management decisions impact quality. Achieving quality involves software engineering methods, project management techniques, quality control, and quality assurance. Reviews, testing, and validation are important parts of the quality process.
The document discusses various topics related to software quality management including defining software products and processes, important quality attributes, quality assurance and standards, quality planning and control, software testing, inspections and reviews, software measurement and metrics, and the role of formal methods. Quality is defined as a product meeting its specifications and having required quality attributes. Both product and process quality are important and various activities help ensure quality is achieved.
McCall proposed a model in 1977 to measure software quality based on quality factors related to software requirements. The model breaks quality factors into three main categories: product operation factors, product revision factors, and product transition factors. Alternative models by Evans/Marciniak and Deutsch/Willis also use these factors to evaluate software quality.
This document discusses software quality assurance and testing. It provides definitions of key terms like software quality, errors, faults and failures. It also lists common causes of software errors and characteristics that differentiate software from other products. Software quality assurance is defined as a planned set of activities to provide confidence that software conforms to requirements, while quality control evaluates quality after development. The objectives of software quality assurance are also prevention of defects rather than finding them after development.
This document discusses definitions of software quality from Deming, Feigenbaum, and Juran. It also discusses different types of quality like external/functional quality which is compliance to requirements/specifications, and internal/structural quality like robustness and maintainability. Motivations for quality include risk and cost management. Improving quality involves choosing standards, defining metrics to measure against them, testing, analyzing, reviewing code, refactoring, and automating processes. Simplicity is important for reliability according to Dijkstra. Quality is an ongoing effort not a one-time thing.
The document discusses various software quality metrics that can be used to measure product quality, in-process quality, and maintenance quality. It describes three main groups of metrics: product metrics, process metrics, and project metrics. Specific metrics discussed include defect density, mean time to failure, customer problems, function points, defect arrival patterns, phase-based defect removal, and customer satisfaction surveys. The purpose of these metrics is to understand relationships between quality factors and improve both the development process and product quality.
This document provides an overview of software maintenance. It discusses that software maintenance is an important phase of the software life cycle that accounts for 40-70% of total costs. Maintenance includes error correction, enhancements, deletions of obsolete capabilities, and optimizations. The document categorizes maintenance into corrective, adaptive, perfective and preventive types. It also discusses the need for maintenance to adapt to changing user requirements and environments. The document describes approaches to software maintenance including program understanding, generating maintenance proposals, accounting for ripple effects, and modified program testing. It discusses challenges like lack of documentation and high staff turnover. The document also introduces concepts of reengineering and reverse engineering to make legacy systems more maintainable.
This document discusses knowledgebases that are used to store information between projects, including business rules, business processes, stakeholder profiles, and products or services. It also describes the three levels of requirements - business requirements, user requirements, and system requirements. Finally, it provides an overview of how requirements are organized and related to other project artifacts like business processes and rules.
The document describes the Oracle Application Implementation Methodology (AIM), which provides a proven approach for implementing Oracle applications. It outlines 11 processes that make up the methodology: business process architecture, business requirements definition, business requirements mapping, application and technical architecture, module design and build, data conversion, documentation, business system testing, performance testing, adoption and learning, and production migration. Each process contains a number of tasks to guide teams through each implementation phase from planning to post-production support. The methodology helps ensure successful Oracle application rollouts.
Do You want to increase your software quality ?
Are you facing problems during the improve the quality of software within organization then you are at right place
Quality, simplistically, means that a product should meet its specification.
•This is problematical for software systems
–There is a tension between customer quality requirements (efficiency, reliability, etc.) and developer quality requirements (maintainability, reusability, etc.);
–Some quality requirements are difficult to specify in an unambiguous way;
–Software specifications are usually incomplete and often inconsistent.
Published By
https://www.umairghufran.com
https://www.rankgrain.com
This document discusses software quality and its attributes. It defines software quality as conformance to functional and performance requirements, development standards, and implicit expectations. Problems in ensuring quality include incomplete specifications and tensions between different stakeholder needs. Quality is described using a hierarchical model, with attributes including reliability, efficiency, usability, maintainability, and portability. Internal attributes like correctness, verifiability and understandability contribute to external attributes like reliability, usability and maintainability. Productivity, timeliness and visibility are described as important process quality attributes.
This document outlines evaluation criteria for assessing the quality of software. It discusses competencies such as suitability, maintainability, usability, and dependability. Suitability refers to the main features and core functions of software for a specific application or industry. Maintainability involves the modularity, portability, interoperability, and testability of software code. Usability pertains to documentation of software operation, installation procedures, testing methods, and the intuitiveness of learning how to use the software. Dependability relates to the reliability, scale, and security of software operations. Testing is important for both dependability and suitability in verifying functionality and integration.
The document discusses software quality management and outlines five units: introduction to software quality; software quality assurance; quality control and reliability; quality management systems; and quality standards. It defines quality, discusses hierarchical models of quality including those proposed by Boehm and McCall, and explains techniques for improving software quality like metrics, reviews, and standards.
Software quality requirements and evaluationEric Lai
This document provides an overview of software quality requirements and evaluation based on international standards. It discusses the organization of the SQuaRE series, which defines quality models for product quality, quality in use, and data quality. Models include characteristics like functionality, reliability, usability, efficiency, and more. The document also provides agendas and descriptions of the different quality models.
This document discusses software engineering and software quality assurance. It begins by defining software and describing a case study on the Therac-25 radiation therapy machine which suffered from a software failure disaster. It then covers classification of causes of software errors, definitions of software quality from IEEE and Pressman, and objectives of SQA activities. Key causes of errors listed include faulty requirements, client-developer communication failures, deliberate deviations from requirements, logical design errors, coding errors, non-compliance with documentation, shortcomings in testing, procedure errors, and documentation errors. The document also discusses definitions of quality assurance and quality control and the goals of SQA in software development and maintenance.
The document summarizes a research paper that customizes the ISO 9126 quality model for evaluating B2B applications. It does the following:
1) Extracts quality factors specific to web applications and B2B electronic commerce from literature and weights them from developer and user perspectives.
2) Adds these weighted quality factors to the ISO 9126 model to create a customized model for evaluating B2B applications.
3) Applies the proposed customized model to a case study of a B2B portal to demonstrate how it can be used to evaluate a system and calculate an overall quality score.
What is Software Quality and how to measure it?Denys Zaiats
Software quality refers to the desirable attributes of software such as correctness, reliability, efficiency, integrity, usability, maintainability, testability, flexibility, portability, and interoperability. These attributes can be measured on a scale of 1 to 10 using methods like Scrum Poker. Teams should measure their software quality every 2 sprints in order to continuously improve processes, products, and development quality. Automating tests, keeping documentation up-to-date, and using efficient tools can help improve software quality over time.
This document discusses hierarchical models of software quality, including the McCall and Boehm models. The McCall model addresses three areas of software quality: product operation, product revision, and product transition. Product operation focuses on usability, integrity, efficiency, and correctness. Product revision examines testability and maintainability. Product transition considers portability, reusability, and interoperability. The Boehm model defines three levels of quality attributes: primary uses, intermediate constructs, and primitive constructs. Primary uses include as-is utility and maintainability. Intermediate constructs are flexibility, reliability, portability, efficiency, testability, understandability, and usability. Primitive constructs result in measurable properties.
Software quality program and establishiment coceptsGuruKrishnaTeja
This document outlines the key concepts and objectives of a Software Quality Program (SQP). The SQP establishes quality requirements, defines development and maintenance processes, and uses metrics to measure productivity, quality, and documentation. It plans evaluations of software and development processes. Responsibility for the SQP is assigned and its procedures, tools, and records are documented. The SQP scope identifies deliverables and ensures the desired quality is achieved. It defines referenced documents, procedures, tools, records, and establishes tasks like data collection and quality planning to develop high quality software.
The document discusses software configuration management. It describes version 1.0 and 1.1 of a software engineering document released on February 2, 2012 and June 2, 2012 respectively by author Kittitouch S. Version 1.1 added details on software configuration versions, tools for managing configuration, and a software configuration management plan. The document then discusses software configuration, management, and control as well as accurate versioning. It describes configuration items, versions, and numerating conventions. The summary provides an overview of the key topics and changes covered in the document.
The document discusses software quality and achieving high quality software. It notes that software companies often deliver software with known bugs and that low quality software increases risks for developers and users. It also discusses the costs of quality and how management decisions impact quality. Achieving quality involves software engineering methods, project management techniques, quality control, and quality assurance. Reviews, testing, and validation are important parts of the quality process.
The document discusses various topics related to software quality management including defining software products and processes, important quality attributes, quality assurance and standards, quality planning and control, software testing, inspections and reviews, software measurement and metrics, and the role of formal methods. Quality is defined as a product meeting its specifications and having required quality attributes. Both product and process quality are important and various activities help ensure quality is achieved.
McCall proposed a model in 1977 to measure software quality based on quality factors related to software requirements. The model breaks quality factors into three main categories: product operation factors, product revision factors, and product transition factors. Alternative models by Evans/Marciniak and Deutsch/Willis also use these factors to evaluate software quality.
This document discusses software quality assurance and testing. It provides definitions of key terms like software quality, errors, faults and failures. It also lists common causes of software errors and characteristics that differentiate software from other products. Software quality assurance is defined as a planned set of activities to provide confidence that software conforms to requirements, while quality control evaluates quality after development. The objectives of software quality assurance are also prevention of defects rather than finding them after development.
This document discusses definitions of software quality from Deming, Feigenbaum, and Juran. It also discusses different types of quality like external/functional quality which is compliance to requirements/specifications, and internal/structural quality like robustness and maintainability. Motivations for quality include risk and cost management. Improving quality involves choosing standards, defining metrics to measure against them, testing, analyzing, reviewing code, refactoring, and automating processes. Simplicity is important for reliability according to Dijkstra. Quality is an ongoing effort not a one-time thing.
The document discusses various software quality metrics that can be used to measure product quality, in-process quality, and maintenance quality. It describes three main groups of metrics: product metrics, process metrics, and project metrics. Specific metrics discussed include defect density, mean time to failure, customer problems, function points, defect arrival patterns, phase-based defect removal, and customer satisfaction surveys. The purpose of these metrics is to understand relationships between quality factors and improve both the development process and product quality.
This document provides an overview of software maintenance. It discusses that software maintenance is an important phase of the software life cycle that accounts for 40-70% of total costs. Maintenance includes error correction, enhancements, deletions of obsolete capabilities, and optimizations. The document categorizes maintenance into corrective, adaptive, perfective and preventive types. It also discusses the need for maintenance to adapt to changing user requirements and environments. The document describes approaches to software maintenance including program understanding, generating maintenance proposals, accounting for ripple effects, and modified program testing. It discusses challenges like lack of documentation and high staff turnover. The document also introduces concepts of reengineering and reverse engineering to make legacy systems more maintainable.
This document discusses knowledgebases that are used to store information between projects, including business rules, business processes, stakeholder profiles, and products or services. It also describes the three levels of requirements - business requirements, user requirements, and system requirements. Finally, it provides an overview of how requirements are organized and related to other project artifacts like business processes and rules.
The document describes the Oracle Application Implementation Methodology (AIM), which provides a proven approach for implementing Oracle applications. It outlines 11 processes that make up the methodology: business process architecture, business requirements definition, business requirements mapping, application and technical architecture, module design and build, data conversion, documentation, business system testing, performance testing, adoption and learning, and production migration. Each process contains a number of tasks to guide teams through each implementation phase from planning to post-production support. The methodology helps ensure successful Oracle application rollouts.
One of the most challenging assignments within an organization is establishing of a maturity
model structure in order to optimize enterprise effectiveness. The contents of this paper
concern such an assignment. The objective of this mission entailed the establishment of an
application governance model and the corresponding documentation therein.
CMGT/410 v19
Business Requirements Template
CMGT/410 v19
Page 2 of 14Business Requirements TemplateHow to Use This Document
This document is a template for creating a Business Requirements Document (BRD); it includes instructions and examples for guidance. As you complete your BRD using the template, only include sections pertinent to your project.Table of Contents
How to Use This Document1
Table of Contents1
1.Executive Summary2
1.1Project Overview2
1.2Purpose and Scope of this Specification2
2.Product/Service Description3
2.1Product Context3
2.2User Characteristics3
2.3Assumptions3
2.4Constraints3
2.5Dependencies3
3.Requirements4
3.1Functional Requirements4
3.2User Interface Requirements5
3.3Usability5
3.4Performance6
3.4.1Capacity6
3.4.2Availability6
3.4.3Latency6
3.5Manageability/Maintainability6
3.5.1Monitoring6
3.5.2Maintenance6
3.5.3Operations7
3.6System Interface/Integration7
3.6.1Network and Hardware Interfaces7
3.6.2Systems Interfaces7
3.7Security8
3.7.1Protection8
3.7.2Authorization and Authentication8
3.8Data Management8
3.9Standards Compliance9
3.10 Portability9
4.User Scenarios/Use Cases9
5.Deleted or Deferred Requirements9
6.Requirements Confirmation/Stakeholder Sign-Off10
Appendices11
Appendix A: Definitions, Acronyms, and Abbreviations11
Appendix B: References11
Appendix C: Requirements Traceability Matrix12
Appendix D: Organizing the Requirements131. Executive Summary
1.1 Project Overview
Describe this project or product and its intended audiences, or provide a link or reference to the project charter.
1.2 Purpose and Scope of this Specification
Describe the purpose of this specification and its intended audience. Include a description of what is within the scope what is outside of the scope of these specifications.
Example:
In Scope
This document addresses requirements related to Phase 2 of Project A:
· Modification of Classification Processing to meet legislative mandate ABC
· Modification of Labor Relations Processing to meet legislative mandate ABC
Out of Scope
The following items in Phase 3 of Project A are out of scope:
· Modification of Classification Processing to meet legislative mandate XYZ
· Modification of Labor Relations Processing to meet legislative mandate XYZ
(Phase 3 will be considered in the development of the requirements for Phase 2, but the Phase 3 requirements will be documented separately.)2. Product/Service Description
In this section, describe the general factors that affect the product and its requirements. This section should contain background information, not state specific requirements (provide the reasons why certain specific requirements are later specified).
2.1 Product Context
How does this product relate to other products? Is it independent and self-contained? Does it interface with a variety of related systems? Describe these relationships or use a diagram to show the major components of the larger system, interconnections, and external interfaces.
2.2 User Characteristics
Create gen.
The document provides a scope of work for implementing a procurement system at CLIENT'S NAME. It outlines tasks such as business process analysis, functional configuration, training users, and post-implementation support. The tasks will be performed by p9Group and are designed to analyze processes, configure the system, integrate it, train users, test functionality, and provide documentation and support.
The document discusses various software engineering methodologies including the waterfall model, iterative model, Rational Unified Process (RUP), and agile methodologies like extreme programming (XP) and Scrum. It provides detailed descriptions of each methodology's phases and workflows. The waterfall model divides the life cycle into sequential phases while iterative models allow revisiting previous phases. RUP includes inception, elaboration, construction, and transition phases. Agile prioritizes customer satisfaction, working software, and flexibility over documentation and processes.
The document discusses requirements gathering and analysis. It describes how requirements elicitation is difficult due to problems of scope, understanding, and volatility. It emphasizes the importance of requirement gathering and states that requirement analysis may be error-prone. Various techniques for requirements elicitation and analysis are discussed, including interviews, prototypes, quality function deployment, and system modeling. The goals of requirements specification and characteristics of a good SRS are also outlined.
The document discusses roles and responsibilities in requirements engineering. It defines key roles like clients/customers who provide needs and contractors/suppliers who deliver solutions. Stakeholders are identified who have interests in the system. Requirements engineering tasks include analyzing business processes, identifying and analyzing requirements, ensuring quality of requirements and specifications, creating requirements specifications, and performing risk analysis. Modeling techniques for requirements include context models, functional decomposition, data flow models, state transition models, and Entity Relationship Models.
The document discusses roles and responsibilities in requirements engineering. It describes basic roles like clients/customers who define needs and contractors/suppliers who deliver solutions. Stakeholders are identified who have interests in the project. Requirements engineering tasks include analyzing business processes, identifying and analyzing requirements, quality assurance of requirements, creating specifications, and risk analysis. Professionals in this field require skills like moderation, communication, and analytical thinking.
This document provides a template for documenting architecture principles for Project XXXX and Client YYYY. It includes sections for the purpose of the document, a principle template, a summary of principles, and sample principles for business, data, applications, and technology. The purpose is to define enduring rules that govern the target architecture. Each principle follows a template with a name, statement, rationale, and implications.
The software process involves specification, design and implementation, validation, and evolution activities. It can be modeled using plan-driven approaches like the waterfall model or agile approaches. The waterfall model involves separate sequential phases while incremental development interleaves activities. Reuse-oriented processes focus on assembling systems from existing components. Real processes combine elements of different models. Specification defines system requirements through requirements engineering. Design translates requirements into a software structure and implementation creates an executable program. Validation verifies the system meets requirements through testing. Evolution maintains and changes the system in response to changing needs.
The document discusses the TOGAF (The Open Group Architecture Framework) enterprise architecture framework. It describes key concepts in TOGAF including the need for enterprise architecture, components of the architecture repository, the Architecture Development Method (ADM) cycle, and architecture governance. The main points are:
1) TOGAF provides methods and tools to help organizations develop, implement, and govern enterprise architecture.
2) The architecture repository stores and classifies architectural outputs and assets to facilitate collaboration.
3) The ADM cycle is an iterative process used to develop architectures in phases like business, data, application, and technology.
4) Architecture governance helps increase transparency, control risks, and create value through monitoring and feedback
This document is a software requirements specification (SRS) for an unnamed project. It includes sections describing the purpose and scope of the project, the system's features and user interfaces, performance requirements, and other nonfunctional requirements. Appendices provide a glossary, references to analysis models, and a list of items yet to be determined. The SRS follows standard template headings to specify requirements for an unidentified software system in a comprehensive yet concise manner.
The document discusses software processes and process models. It covers key topics like the waterfall model, incremental development, and reuse-oriented processes. The main activities involved in any software process are specification, design and implementation, validation, and evolution. Specification defines what the system should do, design implements the system structure, validation checks it meets requirements, and evolution handles changing needs. Process models organize these activities differently, like sequentially in waterfall or interleaved in incremental development.
The document discusses several topics related to software development methodologies:
- Joint Application Development (JAD) is a methodology that involves end users in designing and developing applications through collaborative workshops.
- Rapid Application Development (RAD) is an iterative process that segments software delivery into pieces to provide functionality faster compared to a single large implementation.
- The Systems Development Life Cycle (SDLC) describes the stages of an information system project from initial feasibility study through maintenance. It discusses different SDLC methodologies like waterfall, RAD, and spiral models.
- Use cases model interactions between actors and a system, representing the system's capabilities and how it may be used. Activity and sequence diagrams also help describe workflows and object
A business analyst helps bridge the gap between business needs and technical solutions. They analyze an organization's structure, business models, processes and requirements. This includes strategic planning, process design, and interpreting business rules for technical systems. The business analyst ensures the technical solution meets the business goals. Key deliverables include business requirements, functional specifications, user needs documents, and traceability matrices to track requirements throughout the project. Having a business analyst involved in software projects helps clearly define needs and prevents miscommunication between stakeholders and developers.
The document discusses software processes and provides an overview of key concepts:
1) It describes different software process models including waterfall, incremental development, and reuse-oriented processes.
2) It covers important process activities like requirements specification, design/implementation, validation, and evolution.
3) It discusses approaches for coping with changing requirements like prototyping and incremental delivery.
The Rational Unified Process (RUP) is presented as a modern generic software process that incorporates elements of other process models.
The document discusses software requirements from the perspective of customers and stakeholders. It defines key terms like business requirements, functional requirements, and non-functional requirements. It emphasizes the importance of frequent engagement with customers to understand their needs and manage expectations. This ensures the developed software closely matches what customers require rather than making assumptions. The document also discusses identifying all relevant stakeholders to obtain a full picture of requirements, such as direct users, indirect users, and others affected by the system.
The document discusses requirements engineering processes for software development. It describes common activities in requirements engineering like elicitation, analysis, validation, and management. These activities involve discovering requirements through interacting with stakeholders, classifying and organizing requirements, prioritizing requirements, and documenting requirements in a software requirements specification. The document also discusses challenges in requirements elicitation and different approaches to requirements engineering processes and documentation.
This document is a software requirements specification (SRS) for a project. It includes sections describing the purpose and scope of the project, the overall product functions and users, the operating environment, design constraints, and documentation. The document outlines the intended contents in each section at a high level without providing specific details about the project.
The Evolution and Impact of OTT Platforms: A Deep Dive into the Future of Ent...ABHILASH DUTTA
This presentation provides a thorough examination of Over-the-Top (OTT) platforms, focusing on their development and substantial influence on the entertainment industry, with a particular emphasis on the Indian market.We begin with an introduction to OTT platforms, defining them as streaming services that deliver content directly over the internet, bypassing traditional broadcast channels. These platforms offer a variety of content, including movies, TV shows, and original productions, allowing users to access content on-demand across multiple devices.The historical context covers the early days of streaming, starting with Netflix's inception in 1997 as a DVD rental service and its transition to streaming in 2007. The presentation also highlights India's television journey, from the launch of Doordarshan in 1959 to the introduction of Direct-to-Home (DTH) satellite television in 2000, which expanded viewing choices and set the stage for the rise of OTT platforms like Big Flix, Ditto TV, Sony LIV, Hotstar, and Netflix. The business models of OTT platforms are explored in detail. Subscription Video on Demand (SVOD) models, exemplified by Netflix and Amazon Prime Video, offer unlimited content access for a monthly fee. Transactional Video on Demand (TVOD) models, like iTunes and Sky Box Office, allow users to pay for individual pieces of content. Advertising-Based Video on Demand (AVOD) models, such as YouTube and Facebook Watch, provide free content supported by advertisements. Hybrid models combine elements of SVOD and AVOD, offering flexibility to cater to diverse audience preferences.
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1. Business Requirements Checklist
Note: This document aligns with the BusinessRequirements.doc template.
Item Topic Considerations Have you
addressed?
1 Revision History When a change other than a correction to spelling or format occurs, the change is to be logged on the history change log below.
2 How to use this document The intent of this requirements document is to identify the system and non-system areas that may be impacted by the introduction of a change to
current processing. It is not mandatory that each area will have content, but it is mandatory that each area is considered.
After consideration, if no changes are required or no impact to the area is needed, do not delete the section as it will serve as an audit trail.
Instead, indicate in the section below the header that no changes are required. You may choose to delete the table but it is recommended you do
not delete the section.
3 Purpose of functionality Describe in a short summary of the requirement. This must answer:
What is the purpose of the change?
Short description of the change
Anticipated advantages of the change
4 Assumptions Add to the list below anything you believe to be true that will impact the delivery of this requirement.
5 Contributors List all individuals who were requested to contribute to the creation and review of this requirements document as well as what business owners
participated in review process.
6 Definitions Review the data dictionary to determine if the term and definition listed; if not, work with Governance team to determine a generally accepted
definition.
7 Requirements List a summarized description of each feature and functional requirement in the table below. Following the table, add individual sections to
document the details of the summarized requirement. In the detail section, include process flows or any other information you feel needed to
adequately describe how the business user anticipates the feature/function to work
8 Regulatory Considerations List any considerations that must be addressed in development of this requirement based on the laws and regulations of the State(s) in which this
requirement will be implemented.
9 Compliance Add any compliance standards that impact the development of this requirement. Compliance items are not governed by a law, but are either
Considerations industry standards or organization policy compliance or operational standards.
10 Messaging Identify any message content and rules that result from this requirement.
11 Standards Describe any standards that must be met with the delivery of this feature or function. Standards may include things such as processing speed,
web layout rules governing font/size/color, etc.
12 Constraints List any constraints that impact the delivery of this project. Constraints often include:
Resources. Identify the equipment, software, staff, and space that are available for the project.
Time. Identify the date by which the application deployment project must be completed, and how the application testing process fits into the
larger deployment project.
Organizational issues. If the project will not involve the entire organization, identify which groups in your organization will be affected by it.
Additionally, determine if a particular group in the organization needs the new operating system sooner than others. If so, you might decide to
perform a staged rollout.
Access to developers. Identify applications that were developed in-house or especially for your organization. Access to the developers of these
applications is critical during the testing and issue resolution phases of the project. Such access also can be an invaluable aid with retail
applications.
13 Reports Include a high level description of the report to be created to support the use of this feature or functionality.
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2. Business Requirements Checklist
Item Topic Considerations Have you
addressed?
14 Testability Most requirements should be testable. If this is not the case, another verification method should be used instead (e.g. analysis, inspection or
review of design). Testable requirements are an important component of validation.
15 Workforce Readiness The introduction of the feature / functionality requires the workforce to be prepared to use it or understand it or, possibility, only know of its
existence. The preparation of the audience is generally determined by the role of the individual and how that role would use or be affected by the
new feature / functionality.
16 Workflows List any work flows that must be created or updated as a result of this requirement.
17 Policies List any new policies needed or existing policies that must be reviewed and possibly modified as a result of this requirement.
18 Procedures List any new procedures needed or any existing procedures that must be modified as a result of this requirement.
19 Forms Identify the forms that must be created or updated as a result of this requirement.
20 Capacity Capacity of the system refers to its ability to process certain volumes of transactions. The subject matter experts must estimate the volumes
anticipated in the processing. As it pertains to the Insert name of requirement feature / functionality, the list the capacity requirements for the first
24 months of operations.
21 Software Identify any required versions needed to support the development. Also consider any necessary amendments to existing software contracts that
may need to be made in order to support the new development or define who “owns” the new functionality.
22 Hardware Identify the new hardware needed to support this requirement or any changes to the existing hardware to support this requirement. Include
evaluation of storage media, telecom, workstations, etc.
23 Portability Portability is the ability of software created for a computing environment can be moved to another computing environments that is different from
the one for which it was originally designed (e.g. different CPU, operating system, or third party library). The term is also used in a general way to
refer to the changing of software/hardware to make them usable in different environments.
24 Scalability In software engineering, scalability is a desirable property of a system, a network, or a process, which indicates its ability to either handle growing
amounts of work in a graceful manner, or to be readily enlarged.
25 System Availability Document when the system must be available. This may be different for different users.
26 Documentation Identify documentation must be created or updated in support of the construction, testing, deployment of the Insert name of requirement feature /
functionality.
27 Deployment Define how the new feature/functionality will be rolled out as operational.
28 Disaster Recovery Describe how the feature / functionality must include following disaster recovery activities: backup, restore, archive on/off site, etc.
29 Benefits Realization Describe and plan how the project sponsor intends to measure the actual benefits received by this change as compared to the business case's
anticipated results.
30 Vendor Considerations Identify the vendors involved in, or impacted by, the new functionality.
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