À propos de ce cours : As requirements are being gathered and prioritized, they also need to be documented. In Diagrammatic Notations and Software Requirements Specification Writing, we discuss and practice the process of turning requirements into something readable to the customers at a high level, and the developers. When a designer or developer reads your document, they should be able to understand the overall idea, the scope, the domain, the resources, the expectations, and why alternative choices are not selected. To create a document in this way, you use a balance between storytelling (with pictures!) and complex diagrams.
Les destinataires de ce cours : This is a graduate level class and can prove useful to those just entering the software engineering process, as well as those who have years of experience. Coding is not needed. Software engineers, managers, security engineers, technical writers, testers, and many more can learn much from these lessons in gaining a better understanding of how software requirements tie to your jobs. You will also gain extended views compared to the software processes your companies currently use. This specialization is a beginning course into Software Requirements and introduces fundamental software engineering lifecycle comparisons, applied to the roles of the requirements analyst. This course focuses on how we document all of the information we've obtained over time. Start early- keep revising. This is also a course in the Engineering Secure Software Requirements Certificate, which can be used as a professional certificate or as a start toward further graduate studies in Computer Science or Software Engineering.
Créé par :  University of Colorado System
Enseigné par :  Kristen Walcott-Justice, Assistant Professor
Department of Computer Science
| Informations de base | Cours 5 de 5 dans Requirements Engineering: Secure Software Specifications Specialization |
| Niveau | Beginner |
| Engagement | 4 weeks, 1-2 hours/week |
| Langue | English |
| Comment réussir | Réussissez tous les devoirs notés pour terminer le cours. |
Programme de cours
SEMAINE 1
Beginning to Write an SRS Document
Beginning to write a Software Requirements Specification (SRS) is a daunting process. As you start elicitation and move onward through the requirements cycle, you should plan your approach and begin writing as soon as possible. In this module, we discuss local and global rules that should be followed to lead to success.
4 vidéos, 3 lectures
- Reading: Introduction to Diagrammatic Notations - Slides
- Vidéo: Following Local Rules
- Vidéo: Standardized Statement Templates
- Reading: Local Rules | Standardized Templates - Slides
- Vidéo: Global Organization Templates
- Reading: Global Organization Templates - Slides
Noté: Begin to Write an SRS Document
SEMAINE 2
Beginning Diagramming
Within a requirements document, you should tell a story. Pictures help in stories! In this lesson, we'll look into some of the "pictures" that you can create to clarify understanding for all readers and to help yourself know that all points are being covered clearly and completely. Specifically, we'll consider high, system-scope diagrams.
3 vidéos, 5 lectures
- Reading: Diagramming-Adding Use/Misuse/Abuse Cases -Slides
- Reading: Misuse Cases: Use Cases with Hostile Intent
- Reading: Misuse and abuse cases: getting past the positive
- Vidéo: Context and Problem Diagrams
- Vidéo: Frame Diagrams
- Reading: Context and Problem | Frame Diagrams - Slides
- Reading: Relating software requirements and architectures using problem frames
- Discussion Prompt: Problem Frames and Approaches- A discussion
Noté: Use/Misuse Cases and High Level Diagramming
SEMAINE 3
Lower-Level Diagramming
At a lower level, Entity Relationship Diagrams, Data Flow Diagrams, and SADT diagrams can be used. All three sets of diagrams work together to explain lower-level relationships and dataflow for components in the system-to-be. In this lesson, we'll discuss what these diagrams look like and what information should be included in such diagrams.
3 vidéos, 2 lectures
- Reading: The entity-relationship model for multilevel security
- Vidéo: SADT Diagrams: Actigrams and Datagrams
- Vidéo: Data Flow Diagrams
- Discussion Prompt: Creating a Data Flow Diagram
- Reading: Entity Relationship | SADT |Data Flow Diagrams - Slides
Noté: Lower-Level Diagramming
SEMAINE 4
Tracing Events
System level diagram and low level diagrams work together. Each low level diagram also relates to other low level diagrams. In addition to these diagrams, we also have diagrams to explain events.
4 vidéos, 2 lectures
- Vidéo: Event Trace Diagrams
- Reading: Putting the Diagrams Together | Event Trace Diagrams - Slides
- Vidéo: State Machine Diagrams
- Vidéo: Concurrent StateCharts and R-Nets
- Reading: State Machine Diagrams | Concurrent State Charts & R-Nets - Slides
Noté: Tracing Events
Noté: Event trace diagrams, ER diagrams, and Dataflow Diagrams
SEMAINE 5
Combining and Confirming Diagram Consistency and Completeness
All diagrams created for a SRS document must link together, in addition to being linked to and explained in the text. In this lesson, we consider inter-view relationships between diagrams and how the combination of multiple diagrams assists in analysis of our system view and explanation. We also talk briefly about a more formal format of requirements writing for mission critical and safety critical systems. Lastly, we discuss using diagrams to correspond with text in the SRS document- remember: you're telling a story!
3 vidéos, 4 lectures
- Reading: Diagrams: Putting Them All Together - Slides
- Vidéo: Formal Notation
- Reading: Formal Notation - Slide
- Vidéo: Combining Natural Language and Diagrams - Reminders
- Reading: Combining Natural Language and Diagrams - Slide
- Reading: Model driven security for process-oriented systems
Noté: Combining and Confirming Diagram Consistency and Completeness
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University of Colorado System
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