Software Engineering Ninth Edition by Ian Sommerville.
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Preface: As I was writing the final chapters in this book in the summer of 2009, I realized that software engineering was 40 years old. The name ‘software engineering’ was proposed in 1969 at a NATO conference to discuss software development problems— large software systems were late, did not deliver the functionality needed by their users, cost more than expected, and were unreliable. I did not attend that conference but, a year later, I wrote my first program and started my professional life in software.
Progress in software engineering has been remarkable over my professional lifetime. Our societies could not function without large, professional software systems. For building business systems, there is an alphabet soup of technologies—J2EE, .NET, SaaS, SAP, BPEL4WS, SOAP, CBSE, etc.—that support the development and deployment of large enterprise applications. National utilities and infrastructure— energy, communications, and transport—all rely on complex and mostly reliable computer systems. Software has allowed us to explore space and to create the World Wide Web, the most significant information system in the history of mankind. Humanity is now faced with a new set of challenges—climate change and extreme weather, declining natural resources, an increasing world population to be fed and housed, international terrorism, and the need to help elderly people lead satisfying and fulfilled lives. We need new technologies to help us address these problems and, for sure, software will play a central role in these technologies.
Software engineering is, therefore, a critically important technology for the future of mankind. We must continue to educate software engineers and develop the discipline so that we can create more complex software systems. Of course, there are still problems with software projects. Software is still sometimes late and costs more than expected. However, we should not let these problems conceal the real successes in software engineering and the impressive software engineering methods and technologies that have been developed.
Software engineering is now such a huge area that it is impossible to cover the whole subject in one book. My focus, therefore, is on key topics that are fundamental to all development processes and topics concerned with the development of reliable, distributed systems. There is an increased emphasis on agile methods and software reuse. I strongly believe that agile methods have their place but so too does ‘traditional’ plan-driven software engineering. We need to combine the best of these approaches to build better software systems.
Books inevitably reflect the opinions and prejudices of their authors. Some readers will inevitably disagree with my opinions and with my choice of material. Such disagreement is a healthy reflection of the diversity of the discipline and is essential for its evolution. Nevertheless, I hope that all software engineers and software engineering students can find something of interest here.
Integration with the Web
There is an incredible amount of information on software engineering available on the Web and some people have questioned if textbooks like this one are still needed. However, the quality of available information is very patchy, information is sometimes presented badly and it can be hard to find the information that you need. Consequently, I believe that textbooks still have an important role to play in learning. They serve as a roadmap to the subject and allow information on method and techniques to be organized and presented in a coherent and readable way. They also provide a starting point for deeper exploration of the research literature and material available on the Web.
I strongly believe that textbooks have a future but only if they are integrated with and add value to material on the Web. This book has therefore been designed as a hybrid print/web text in which core information in the printed edition is linked to supplementary material on the Web. Almost all chapters include specially written ‘web sections’ that add to the information in that chapter. There are also four ‘web chapters’ on topics that I have not covered in the print version of the book.
The website that is associated with the book is:
The book’s web has four principal components:
1. Web sections These are extra sections that add to the content presented in each chapter. These web sections are linked from breakout boxes in each chapter.
2. Web chapters There are four web chapters covering formal methods, interaction design, documentation, and application architectures. I may add other chapters on new topics during the lifetime of the book.
3. Material for instructors The material in this section is intended to support people who are teaching software engineering. See the “Support Materials” section in this Preface.
4. Case studies These provide additional information about the case studies used in the book (insulin pump, mental health-care system, wilderness weather system)
as well as information about further case studies, such as the failure of the Ariane 5 launcher.
As well as these sections, there are also links to other sites with useful material on software engineering, further reading, blogs, newsletters, etc.
I welcome your constructive comments and suggestions about the book and the website. You can contact me at [email protected]. Please include [SE9] in the subject of your message. Otherwise, my spam filters will probably reject your mail and you will not receive a reply. I do not have time to help students with their homework, so please don’t ask.
The book is primarily aimed at university and college students taking introductory and advanced courses in software and systems engineering. Software engineers in the industry may find the book useful as general reading and as a means of updating their knowledge on topics such as software reuse, architectural design, dependability and security, and process improvement. I assume that readers have completed an introductory programming course and are familiar with programming terminology.
Changes from previous editions:
This edition has retained the fundamental material on software engineering that was covered in previous editions but I have revised and updated all chapters and have included new material on many different topics. The most important changes are:
1. The move from a print-only book to a hybrid print/web book with the web material tightly integrated with the sections in the book. This has allowed me to reduce the number of chapters in the book and to focus on core material in each chapter.
2. Complete restructuring to make it easier to use the book in teaching software engineering. The book now has four rather than eight parts and each part may be used on its own or in combination with other parts as the basis of a software engineering course. The four parts are an introduction to software engineering, dependability and security, advanced software engineering, and software engineering management.
3. Several topics from previous editions are presented more concisely in a single chapter, with extra material moved onto the Web.
4. Additional web chapters, based on chapters from previous editions that I have not included here, are available on the Web.
5. I have updated and revised the content in all chapters. I estimate that between 30% and 40% of the text has been completely rewritten.
6. I have added new chapters on agile software development and embedded systems.
7. As well as these new chapters, there is new material on model-driven engineering, open source development, test-driven development, Reason’s Swiss Cheese model, dependable systems architectures, static analysis and model checking, COTS reuse, software as a service, and agile planning.
8. A new case study on a patient record system for patients who are undergoing treatment for mental health problems has been used in several chapters.
Using the book for teaching:
I have designed the book so that it can be used in three different types of software engineering courses:
1. General introductory courses in software engineering The first part of the book has been designed explicitly to support a one-semester course in introductory software engineering. 2. Introductory or intermediate courses on specific software engineering topics You can create a range of more advanced courses using the chapters in Parts 2–4. For example, I have taught a course in critical systems engineering using the chapters in Part 2 plus chapters on quality management and configuration management.
3. More advanced courses in specific software engineering topics In this case, the chapters in the book form a foundation for the course. These are then supplemented with further reading that explores the topic in more detail. For example, a course on software reuse could be based around Chapters 16, 17, 18, and 19. More information about using the book for teaching, including a comparison with previous editions, is available on the book’s website.
Part 1 Introduction to Software Engineering
Chapter 1 Introduction
Chapter 2 Software processes
Chapter 3 Agile software development
Chapter 4 Requirements engineering
Chapter 5 System modeling
Chapter 6 Architectural design
Chapter 7 Design and implementation
Chapter 8 Software testing
Chapter 9 Software evolution
Part 2 Dependability and Security
Chapter 10 Sociotechnical systems
Chapter 11 Dependability and security
Chapter 12 Dependability and security specification
Chapter 13 Dependability engineering
Chapter 14 Security engineering
Chapter 15 Dependability and security assurance
Part 3 Advanced Software Engineering
Chapter 16 Software reuse
Chapter 17 Component-based software engineering
Chapter 18 Distributed software engineering
Chapter 19 Service-oriented architecture
Chapter 20 Embedded software
Chapter 21 Aspect-oriented software engineering
Part 4 Software Management
Chapter 22 Project management
Chapter 23 Project planning
Chapter 24 Quality management
Chapter 25 Configuration management
Chapter 26 Process improvement
Software Engineering 9th Edition by Ian Sommerville pdf.
⏩Author: Ian Sommerville
⏩Publisher: Pearson; 9 edition (March 13, 2010)
⏩Puplication Date: March 13, 2010
⏩Size: 14.1 MB
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